Initial Commit für das Grundgerüst der Anwendung, bestehend aus der Dev-Container Konfiguration, der Docker und docker-Compose Definitionen sowie der Verzeichnisse App_Server für die Backend-Programme sowie Client für die browserseitigen GUI-Komponenten

Client/Components/auth/applicationpage.ts

@@ -0,0 +1,616 @@
+import m from "mithril"
+import { Treetable, iTreetable, iTreenode, Treenode, TopbarButton, iTopbarButton, changeTreenodes } from "../widgets/Treetable_V2"
+import {ModalType, ModalView, iModalView} from "../widgets/Modal"
+import { iApplication} from "./models/applications"
+import { iRole } from "./models/roles"
+import {gridMountpoints} from "../mainlayout"
+import {WrongEditSelectionMessage, iWrongEditSelectionMessage, showServerError} from "./authmessages"
+
+const MOVERIGHT = "Die markierten und nicht markierten Rollen werden den markierten Anwendungen zugeordnet"
+
+const localDataModel = {
+    applist: [] as iApplication[],
+    rolelist: [] as iRole[],
+    appnodes: [] as iTreenode[],
+    rolenodes: [] as iTreenode[],
+    loadData: () => {
+        Promise.all([
+            m.request({
+                method: "GET",
+                url: "/auth/getapplications"
+            }).then((result) => localDataModel.applist = result as iApplication[]),
+            m.request({
+                method: "GET",
+                url: "/auth/getroles"
+            }).then((result) => {localDataModel.rolelist = result as iRole[]})
+        ])
+        .then (() => {
+            localDataModel.appnodes = [] 
+            localDataModel.rolenodes = [] 
+            localDataModel.applist.map((app: iApplication) => {
+                let appnode: iTreenode = new Treenode(app, false, [])
+                app.roles.forEach((role: iRole) => {
+                    let newChildnode = new Treenode(role)
+                    newChildnode.isChecked = true
+                    appnode.children.push(newChildnode)
+                })
+                appnode.children.sort(sortRoleNodes)
+                localDataModel.appnodes.push(appnode)
+            })
+            localDataModel.rolelist.map((role: iRole) => {
+                let rolenode: iTreenode = new Treenode(role, false, [])
+                localDataModel.rolenodes.push(rolenode)
+            })
+            localDataModel.rolenodes.sort(sortRoleNodes)
+            changeTreenodes(localDataModel.appnodes, true)
+        })
+    },
+    updateRole: (role: iRole) => {
+        m.request ({
+            method: "POST", // Hier muss POST verwendet werden, weil GET keinen Body hat und Parameter nur im URL transportieren kann
+            url: "/auth/updaterole",
+            body: role
+        })
+        .catch((e) => {showServerError(e)})
+        .finally(() => localDataModel.loadData())
+    },
+    deleteRoles: (roles: iRole[]) => {
+        let roleids: string[] = []
+        roles.forEach((role: iRole) => {
+            roleids.push(role.roleid)
+        })
+        m.request({
+           method: "POST",
+           url: "/auth/deleteroles",
+           body: roleids 
+        })
+        .catch((e) => {showServerError(e)})
+        .finally(() => localDataModel.loadData())
+    }, 
+    updateApplication: (app: iApplication) => {
+        m.request ({
+            method: "POST", // Hier muss POST verwendet werden, weil GET keinen Body hat und Parameter nur im URL transportieren kann
+            url: "/auth/updateapplication",
+            body: app
+        })
+        .catch((e) => {showServerError(e)})
+        .finally(() => localDataModel.loadData())
+    },
+    deleteApplications: (apps: iApplication[]) => {
+        let appids: string[] = []
+        apps.forEach((app: iApplication) => {
+            appids.push(app.appid)
+        })
+        m.request({
+           method: "POST",
+           url: "/auth/deleteapplications",
+           body: appids 
+        })
+        .catch((e) => {showServerError(e)})
+        .finally(() => localDataModel.loadData())
+    },
+    updateApplicationRoles: () => {
+        interface iApplicationRole {
+            appid: string
+            roles: {roleid: string, isChecked: boolean}[]
+        }
+        let applicationroles: iApplicationRole[] = []
+        localDataModel.appnodes.forEach((appnode: iTreenode) => {
+            let app: iApplication = appnode.nodevalue
+            let approle: iApplicationRole = {
+                appid: app.appid,
+                roles: []
+            }
+            appnode.children.forEach((rolenode: iTreenode) => {
+                let role: iRole = rolenode.nodevalue
+                approle.roles.push({roleid: role.roleid, isChecked: rolenode.isChecked})
+            })
+            applicationroles.push(approle)
+        })
+        m.request({
+            method: "POST",
+            url: "/auth/updateapplicationroles",
+            body: applicationroles
+        })
+        .catch((e) => {showServerError(e)})
+        .finally(() => localDataModel.loadData())
+    } 
+}
+
+export const applicationpage: m.ClosureComponent = (vnode) => {
+    return {
+        oninit: (vnode) => {
+            localDataModel.loadData()
+        },
+        view: (vnode) => {
+            return m("div.w3-container.w3-content", {
+                    style: {'max-width': '80%', display: 'flex', 'flex-direction': 'column', height: 'inherit', 'overflow-y': 'inherit'}
+                },    
+                m("div", {style: {flex: '1', 'overflow-y': 'inherit'}},
+                    m("div.w3-cell-row",
+                        m("div.w3-cell.w3-padding.w3-mobile",
+                            m("h1", "Rollen"),
+                            m(Treetable, 
+                                {
+                                    treenodes: localDataModel.rolenodes,
+                                    startexpanded: false,
+                                    onRowMarked: (node: iTreenode) => {
+                                        //alert(node.nodevalue['roleid'])        
+                                    },
+                                    columnmapper: (node: iTreenode) => {
+                                        let role = node.nodevalue as iRole
+                                        return [
+                                            m("span.w3-button", 
+                                                {
+                                                    style: {padding: '0px'},
+                                                    onclick: () => {
+                                                        node.isChecked = !node.isChecked
+                                                    }
+                                                },
+                                                m("i.material-icons.w3-theme-light", node.isChecked?"check_box":"check_box_outline_blank")
+                                            ),
+                                            m("div", role.level),
+                                            m("div", role.roleid),
+                                            m("div", role.name)
+                                        ]
+                                    }
+                                } as iTreetable,
+                                m(TopbarButton, 
+                                    {
+                                        onclick: applyRoles, 
+                                        tooltip: MOVERIGHT
+                                    } as iTopbarButton, 
+                                    m("i.material-icons", "keyboard_double_arrow_right")
+                                ),
+                                m(TopbarButton, 
+                                    {
+                                        onclick: () => {m.mount(gridMountpoints.modalhook, {
+                                            view: (vnode) => {
+                                                return m(RoleForm, {role: {id: -1, level: 0, name: "", roleid: ""} as iRole})
+                                            }
+                                        })}
+                                    } as iTopbarButton,
+                                    m("i.material-icons", "add")
+                                ),
+                                m(TopbarButton, 
+                                    {
+                                        onclick: () => {m.mount(gridMountpoints.modalhook, DeleteRolesMessage)}
+                                    } as iTopbarButton,
+                                    m("i.material-icons", "delete_forever")
+                                ),
+                                m(TopbarButton, 
+                                    {
+                                        onclick: () => {
+                                            let roles: iRole[] = []
+                                            localDataModel.rolenodes.forEach((rolenode: Treenode) => {
+                                                if (rolenode.isChecked) {
+                                                    roles.push(rolenode.nodevalue)
+                                                }
+                                            })
+                                            if (roles.length != 1) {
+                                                m.mount(gridMountpoints.modalhook, WrongRoleEditSelectionMessage)    
+                                            }
+                                            else {
+                                                m.mount(gridMountpoints.modalhook, {
+                                                    view: (vnode) => {
+                                                        return m(RoleForm, {
+                                                            role: roles[0] as iRole
+                                                        })
+                                                    }
+                                                })
+                                            }
+                                        }
+                                    } as iTopbarButton,
+                                    m("i.material-icons", "edit")
+                                )
+                            )
+                        ),
+                        m("div.w3-cell.w3-padding.w3-mobile",
+                            m("h1", "Anwendungen"),
+                            m(Treetable, 
+                                {
+                                    treenodes: localDataModel.appnodes,
+                                    startexpanded: true,
+                                    columnmapper: (node: iTreenode) => {
+                                        let cols: any[] = []
+                                        // Hier wird "Duck-Typing" genutzt, um den Typ von node.nodevalue zu ermitteln
+                                        // Je nach Typ werden die Spalten der Tabelle dann anders befüllt
+                                        if (node.nodevalue['appid'] != undefined) {
+                                            let app = node.nodevalue as iApplication
+                                            cols[0] = "enabled"
+                                            cols[1] = app.appid
+                                            cols[2] = app.name    
+                                        }
+                                        else if (node.nodevalue['roleid'] != undefined) {
+                                            let role = node.nodevalue as iRole
+                                            cols[0] = "disabled"
+                                            cols[1] = role.roleid
+                                            cols[2] = role.name
+                                        }
+                                        
+                                        return [
+                                            m(cols[0] == "enabled"?"span.w3-button":"span", 
+                                                {
+                                                    style: {padding: '0px'},
+                                                    onclick: () => {
+                                                        if (cols[0] == "enabled") {
+                                                            node.isChecked = !node.isChecked
+                                                        }
+                                                    }
+                                                },
+                                                m("i.material-icons.w3-theme-light", node.isChecked?"check_box":"check_box_outline_blank")
+                                            ),
+                                            m("div", cols[1]),
+                                            m("div", cols[2])
+                                        ]
+                                        
+                                    }
+                                } as iTreetable,
+                                m(TopbarButton, 
+                                    {
+                                        onclick: applyRoles, 
+                                        tooltip: MOVERIGHT
+                                    } as iTopbarButton, 
+                                    m("i.material-icons", "keyboard_double_arrow_right")
+                                ),
+                                m(TopbarButton, 
+                                    {
+                                        onclick: () => {m.mount(gridMountpoints.modalhook, 
+                                            {
+                                                view: (vnode) => {
+                                                    return m(ApplicationForm, {application: {id: -1} as iApplication} as iApplicationForm)
+                                                }
+                                            }
+                                        )}
+                                    } as iTopbarButton,
+                                    m("i.material-icons", "add")
+                                ),
+                                m(TopbarButton, 
+                                    {
+                                        onclick: () => {m.mount(gridMountpoints.modalhook, DeleteApplicatonsMessage)}
+                                    } as iTopbarButton,
+                                    m("i.material-icons", "delete_forever")
+                                ),
+                                m(TopbarButton, 
+                                    {
+                                        onclick: () => {
+                                            let apps: iApplication[] = []
+                                            localDataModel.appnodes.forEach((appnode: Treenode) => {
+                                                if (appnode.isChecked) {
+                                                    apps.push(appnode.nodevalue)
+                                                }
+                                            })
+                                            if (apps.length != 1) {
+                                                m.mount(gridMountpoints.modalhook, WrongApplicationEditSelectionMessage)    
+                                            }
+                                            else {
+                                                m.mount(gridMountpoints.modalhook, {
+                                                    view: (vnode) => {
+                                                        return m(ApplicationForm, {
+                                                            application: apps[0] as iApplication
+                                                        } as iApplicationForm)
+                                                    }
+                                                })
+                                            }
+                                        }
+                                    } as iTopbarButton,
+                                    m("i.material-icons", "edit")
+                                )
+                            )
+                        )
+                    )
+                )
+            )
+        }
+    }
+}
+
+function sortRoleNodes(node1: iTreenode, node2: iTreenode) {
+    // es soll zuerst nach Level und dann nach rowid sortiert werden
+    let v1 = (node1.nodevalue['level'].toString().padStart(6,'0') + node1.nodevalue['roleid']).toLocaleLowerCase('de-de')
+    let v2 = (node2.nodevalue['level'].toString().padStart(6,'0') + node2.nodevalue['roleid']).toLocaleLowerCase('de-de')
+    if (v1 < v2) {
+        return -1
+    }
+    if (v1 > v2) {
+        return 1
+    }
+    return 0
+}
+
+function applyRoles() {
+    let checkedApps = localDataModel.appnodes.filter((appnode: iTreenode) => {
+        return appnode.isChecked
+    })
+    if (checkedApps.length == 0) {
+        m.mount(gridMountpoints.modalhook, ErrorMessage)
+        return
+    }
+
+    m.mount(gridMountpoints.modalhook, {view: () => {return m(ApplyRolesWarning, {applyroles: doit})}})
+
+    function doit() {
+        checkedApps.forEach((appnode: iTreenode) => {
+            localDataModel.rolenodes.forEach((rolenode: iTreenode) => {
+                let approle: iTreenode = appnode.children.find((child: iTreenode) => {
+                    return child.nodevalue['roleid'] === rolenode.nodevalue['roleid']
+                })
+                if (approle != undefined) {
+                    approle.isChecked = rolenode.isChecked
+                }
+                else if (rolenode.isChecked) {
+                    let newapprole = new Treenode(rolenode.nodevalue, false, [])
+                    newapprole.isChecked = rolenode.isChecked
+                    appnode.children.push(newapprole)
+                }
+            })
+        })
+        localDataModel.updateApplicationRoles()
+    }
+}
+
+const ErrorMessage: m.Component = {
+    view: (vnode) => {
+        return (
+            m(ModalView, 
+                {
+                    title: "Fehler",
+                    type: ModalType.ERROR,
+                    width: '33%'
+                } as iModalView,
+                m("p", "Es wurden noch keine Ziel-Anwendungen markiert!"),
+                m("div.w3-bar.w3-padding-16",
+                    [
+                        m("button.w3-button.w3-theme.w3-right", {onclick: () => {m.mount(gridMountpoints.modalhook, null)}}, "OK"),
+                    ]
+                )
+            )
+        )
+    }
+}
+
+export interface iApplyRolesWaring {
+    applyroles: Function
+}
+const ApplyRolesWarning: m.Component<iApplyRolesWaring> = {
+    view: (vnode) => {
+        return (
+            m(ModalView, 
+                {
+                    title: "Hinweis",
+                    type: ModalType.MESSAGE,
+                    width: '33%'
+                } as iModalView,
+                m("p", "Wenn Rollen nicht ausgewählt sind bedeutet dies, dass die Rollen in den ausgewählten Anwendungen gelöscht werden!"),
+                m("div.w3-bar.w3-padding-16",
+                    [
+                        m("button.w3-button.w3-theme.w3-right", {onclick: () => {m.mount(gridMountpoints.modalhook, null)}}, "Abbruch"),
+                        m("button.w3-button.w3-theme.w3-right", {onclick: () => {m.mount(gridMountpoints.modalhook, null); vnode.attrs.applyroles()}}, "OK"),
+                    ]
+                )
+            )
+        )
+    }
+}
+
+const WrongRoleEditSelectionMessage: m.Component = {
+    view: () => {
+        return m(WrongEditSelectionMessage, {elementname: "Rolle"} as iWrongEditSelectionMessage)
+    }
+}
+const WrongApplicationEditSelectionMessage: m.Component = {
+    view: () => {
+        return m(WrongEditSelectionMessage, {elementname: "Anwendung"} as iWrongEditSelectionMessage)
+    }
+}
+
+const DeleteRolesMessage: m.ClosureComponent = (vnode) => {
+    let roles: iRole[]
+    return {
+        oninit: (vnode) => {
+            roles = []
+            localDataModel.rolenodes.forEach((rolenode: iTreenode) => {
+                if (rolenode.isChecked) {
+                    roles.push(rolenode.nodevalue)
+                }
+            })
+        },
+        view: (vnode) => {
+            return (
+                m(ModalView, 
+                    {
+                        title: "Rollen löschen",
+                        type: ModalType.MESSAGE,
+                        width: '33%'
+                    } as iModalView,
+                    m("p", "Sie wollen die folgenden Rollen löschen:"),
+                    m("ul",
+                        roles.map((role: iRole) => {
+                            return m("li", role.roleid)
+                        })
+                    ),
+                    m("div.w3-bar.w3-padding-16",
+                        [
+                            m("button.w3-button.w3-theme.w3-right", 
+                                {
+                                    style: {'margin-left': '4px'},
+                                    onclick: () => {
+                                    localDataModel.deleteRoles(roles); 
+                                    m.mount(gridMountpoints.modalhook, null)
+                                }}, "Löschen"),
+                            m("button.w3-button.w3-theme.w3-right", {onclick: () => {m.mount(gridMountpoints.modalhook, null)}}, "Abbrechen"),
+                        ]
+                    )
+                )
+            )
+        }
+    }
+}
+
+
+interface iRoleForm {
+    role: iRole
+}
+const RoleForm: m.ClosureComponent<iRoleForm> = () => {
+    let form: HTMLFormElement = null;
+    let currentrole: iRole
+    function reset (e) {
+        form.reset()
+    }
+    function unmount () {
+        m.mount(gridMountpoints.modalhook, null)
+    }
+    function submit (e) {
+        e.preventDefault()
+        let formdata: FormData = new FormData(e.target as HTMLFormElement)
+
+        for (let element of formdata) {
+            currentrole[element[0]] = element[1]
+        }
+        localDataModel.updateRole(currentrole)
+        unmount()
+    }
+    return {
+        view: (vnode) => {
+            currentrole =  (vnode.attrs.role === undefined) ? {} as iRole : vnode.attrs.role
+            return m(ModalView, 
+                {
+                    title: "Rolle",
+                    type: ModalType.MESSAGE,
+                    width: 'max-content'
+                } as iModalView,
+
+                m("form.w3-padding-16", {oncreate: (vnode) => {form = vnode.dom as HTMLFormElement}, onsubmit: submit},
+                    m("label", "ID (intern)"),
+                    m("div.w3-padding-small", currentrole.id),
+                    m("label", "Rollen-ID"),
+                    m("input.w3-input.w3-border", {name: 'roleid', type: 'text', value: currentrole.roleid}),
+                    m("label", "Name"),
+                    m("input.w3-input.w3-border", {name: 'name', type: 'text', value: currentrole.name}),
+                    m("label", "Level"),
+                    m("input.w3-input.w3-border", {name: 'level', type: 'number', value: currentrole.level}),
+                    m("label", "Beschreibung"),
+                    m("input.w3-input.w3-border", {name: 'beschreibung', type: 'text', value: currentrole.beschreibung}),
+                    m("div.w3-bar.w3-padding-16",
+                        [
+                            m("button.w3-button.w3-theme.w3-right", {style: {'margin-left': '4px'}, type: "submit"}, "Speichern"),
+                            m("button.w3-button.w3-theme.w3-right", {style: {'margin-left': '4px'}, onclick: unmount, type: "button"}, "Abbrechen"),
+                            m("button.w3-button.w3-theme.w3-right", {onclick: reset, type: "button"}, "Zurücksetzen")
+                            
+                        ]
+                    )
+                )
+            )
+        }
+    }
+}
+
+interface iApplicationForm {
+    application: iApplication
+}
+const ApplicationForm: m.ClosureComponent<iApplicationForm> = () => {
+    let form: HTMLFormElement = null;
+    let currentapp: iApplication
+    let isDirty = false
+    function reset (e) {
+        form.reset()
+    }
+    function unmount () {
+        if (isDirty) {
+            alert("is Dirty")
+        }
+        m.mount(gridMountpoints.modalhook, null)
+    }
+    function submit (e) {
+        e.preventDefault()
+        let formdata: FormData = new FormData(e.target as HTMLFormElement)
+
+        for (let element of formdata) {
+            currentapp[element[0]] = element[1]
+        }
+        localDataModel.updateApplication(currentapp)
+        unmount()
+    }
+    return {
+        view: (vnode) => {
+            currentapp =  (vnode.attrs.application === undefined) ? {} as iApplication : vnode.attrs.application
+            return m(ModalView, 
+                {
+                    title: "Anwendung",
+                    type: ModalType.MESSAGE,
+                    width: 'max-content'
+                } as iModalView,
+
+                m("form.w3-padding-16", {oncreate: (vnode) => {form = vnode.dom as HTMLFormElement}, onsubmit: submit},
+                    m("label", "ID (intern)"),
+                    m("div.w3-padding-small", currentapp.id),
+                    m("label", "Application-ID"),
+                    m("input.w3-input.w3-border", {name: 'appid', type: 'text', value: currentapp.appid}),
+                    m("label", "Name"),
+                    m("input.w3-input.w3-border", {name: 'name', type: 'text', value: currentapp.name}),
+                    m("label", "Minimum-Version"),
+                    m("input.w3-input.w3-border", {name: 'minversion', type: 'text', value: currentapp.minversion}),
+                    m("label", "Beschreibung"),
+                    m("input.w3-input.w3-border", {name: 'beschreibung', type: 'text', value: currentapp.beschreibung}),
+                    m("div.w3-bar.w3-padding-16",
+                        [
+                            m("button.w3-button.w3-theme.w3-right", {style: {'margin-left': '4px'}, type: "submit"}, "Speichern"),
+                            m("button.w3-button.w3-theme.w3-right", {style: {'margin-left': '4px'}, onclick: unmount, type: "button"}, "Abbrechen"),
+                            m("button.w3-button.w3-theme.w3-right", {onclick: reset, type: "button"}, "Zurücksetzen")
+                            
+                        ]
+                    )
+                )
+            )
+        }
+    }
+}
+
+const DeleteApplicatonsMessage: m.ClosureComponent = (vnode) => {
+    let apps: iApplication[]
+    return {
+        oninit: (vnode) => {
+            apps = []
+            localDataModel.appnodes.forEach((appnode: iTreenode) => {
+                if (appnode.isChecked) {
+                    apps.push(appnode.nodevalue)
+                }
+            })
+        },
+        view: (vnode) => {
+            return (
+                m(ModalView, 
+                    {
+                        title: "Anwendungen löschen",
+                        type: ModalType.MESSAGE,
+                        width: '33%'
+                    } as iModalView,
+                    m("p.w3-panel.w3-red", 
+                        [
+                            "Vor dem Löschen muss sichergestellt sein, dass es noch mindestens eine App gibt, in der die Rolle 'SysAdmin' ",
+                            "vergeben ist und in der ein Benutzer diese Rolle besitzt!"
+                        ]
+                    ),
+                    m("p", "Sie wollen die folgenden Anwendungen löschen:"),
+                    m("ul",
+                        apps.map((app: iApplication) => {
+                            return m("li", app.appid)
+                        })
+                    ),
+                    m("div.w3-bar.w3-padding-16",
+                        [
+                            m("button.w3-button.w3-theme.w3-right", 
+                                {
+                                    style: {'margin-left': '4px'},
+                                    onclick: () => {
+                                    localDataModel.deleteApplications(apps); 
+                                    m.mount(gridMountpoints.modalhook, null)
+                                }}, "Löschen"),
+                            m("button.w3-button.w3-theme.w3-right", {onclick: () => {m.mount(gridMountpoints.modalhook, null)}}, "Abbrechen"),
+                        ]
+                    )
+                )
+            )
+        }
+    }
+}

Client/Components/auth/appmanagementpage.ts

@@ -0,0 +1,40 @@
+import m from "mithril"
+import { get_menustack, menubar } from "../header" 
+import { userlist } from "./userpage"
+import { applicationpage } from "./applicationpage"
+
+let mountpoint = null
+
+function close_page() {
+    get_menustack().pop()
+    m.route.set("/blankpage")
+}
+function show_userlist() {
+    m.mount(mountpoint, userlist)
+}
+function show_applist() {
+    m.mount(mountpoint, applicationpage)
+}
+
+export const appmanagementpage: m.Component = {
+    oncreate: (vnode) => {
+        mountpoint = vnode.dom
+    },
+    oninit: (vnode) => {
+       get_menustack().push(menu)
+    },
+    view: (vnode) => {
+        return m("div", m(userlist))
+    }
+}
+
+const menu: m.Component = {
+    view: (vnode) => {
+        return m(menubar, [
+            m("a.w3-button", {onclick: show_userlist}, "Benutzer"),
+            sessionStorage.getItem("CurrentUserIsSysAdmin") != null ?
+                m("div.w3-button", {onclick: show_applist}, "Anwendungen"):null, 
+            m("div.w3-button.w3-right", {onclick: close_page}, "Beenden"),
+        ])
+    }
+}

Client/Components/auth/authmessages.ts

@@ -0,0 +1,76 @@
+import m from "mithril"
+import { gridMountpoints } from "../mainlayout"
+import {ModalType, ModalView, iModalView} from "../widgets/Modal"
+
+
+export interface iWrongEditSelectionMessage{
+    elementname: string
+}
+export const WrongEditSelectionMessage: m.Component<iWrongEditSelectionMessage> = {
+    view: (vnode) => {
+        return (
+            m(ModalView, 
+                {
+                    title: "Falsche Auswahl",
+                    type: ModalType.ERROR,
+                    width: '33%'
+                } as iModalView,
+                m("p", `Zum Editieren muss genau 1 ${vnode.attrs.elementname} ausgewählt sein!`),
+                m("div.w3-bar.w3-padding-16",
+                    [
+                        m("button.w3-button.w3-theme.w3-right", {onclick: () => {m.mount(gridMountpoints.modalhook, null)}}, "OK"),
+                    ]
+                )
+            )
+        )
+    }
+}
+
+export interface iServerErrorMessage {
+    error: {
+        messages: string[],
+        status: number
+    }
+}
+export const ServerErrorMessage: m.Component<iServerErrorMessage> = {
+    view: (vnode) => {
+        return (
+            m(ModalView,
+                {
+                    title: "Fehler",
+                    type: ModalType.ERROR,
+                    width: "33%"
+                } as iModalView,
+                m("div.w3-panel",
+                    vnode.attrs.error.messages.map((message) => {
+                        return m("div", message)
+                    }),
+                    m("div.w3-small", `(HTML-Status: ${vnode.attrs.error.status})`)
+                ),
+                m("div.w3-bar.w3-padding-16",
+                    m("button.w3-button.w3-theme.w3-right", {onclick: () => {m.mount(gridMountpoints.modalhook, null)}}, "OK"),
+                )   
+            )
+        )
+    }
+}
+
+export function showServerError (e) {
+    let servererror:iServerErrorMessage = {error: {messages:[], status: e.code}}
+    console.log(JSON.stringify(e), e.message)
+    if (e.response != undefined && e.response["messages"] != undefined) {
+        if (!Array.isArray(e.response["messages"])) {
+            e.response["messages"] = [e.response["messages"]]
+        }
+        servererror.error.messages = e.response.messages
+    }
+    else if (e.response != undefined) {
+        servererror.error.messages = [JSON.stringify(e.response)]
+    }
+    else {
+        servererror.error.messages = [JSON.stringify(e)]
+    }
+    m.mount(gridMountpoints.modalhook, {
+        view: () => {return m(ServerErrorMessage, {error: servererror.error } as iServerErrorMessage)}
+    })
+}

Client/Components/auth/login.ts

@@ -0,0 +1,117 @@
+import m from "mithril";
+import {ModalView, iModalView} from "../widgets/Modal"
+import {iUser} from "./models/users"
+import {showServerError} from "./authmessages"
+import { headerdata } from "../header";
+
+export interface iLoginscreen {
+    setnextpage: string
+}
+export const loginscreen: m.ClosureComponent<iLoginscreen> = (vnode) => {
+    let form: HTMLFormElement = null;
+    function reset (e) {
+        form.reset()
+    }
+    function checklogin(e: Event) {
+        e.preventDefault()
+        let formdata: FormData = new FormData(e.target as HTMLFormElement)
+        let user: iUser
+        m.request ({
+            method: "POST", // Hier muss POST verwendet werden, weil GET keinen Body hat und Parameter nur im URL transportieren kann
+            url: "/auth/checklogin",
+            body: Object.fromEntries(formdata.entries())
+        })
+        .then((result) => {
+            user = result as iUser; 
+            // global.appglobals.currentuser = user.username
+            // global.appglobals.currentuserid = user.userid
+            sessionStorage.setItem("CurrentUser", user.username);
+            headerdata.username = user.username
+            headerdata.userid = user.userid
+            // nur wenn es sich um einen SysAdmin handelt, wird der SessionStorage gesetzt. Will man später wissen,
+            // ob der aktuelle User ein SysAdmin ist, braucht man nur auf das Vorhandensein des Schlüssels abzufragen
+            // und nicht auch noch auf den Inhalt
+            if (user.isSysAdmin) {
+                sessionStorage.setItem("CurrentUserIsSysAdmin", "1");
+            }
+        })
+        .then(() => {m.route.set(vnode.attrs.setnextpage)})
+        .catch((error) => {
+            sessionStorage.removeItem("CurrentUser");
+            sessionStorage.removeItem("CurrentUserIsSysAdmin");
+            showServerError(error)
+        })
+        
+    }
+    return {
+        oninit: (vnode) => {
+            m.request({
+                method: "GET",
+                url: "/auth/logout"
+            })
+            .then (() => {
+                sessionStorage.removeItem("CurrentUser");
+                sessionStorage.removeItem("CurrentUserIsSysAdmin");
+                // global.appglobals.currentuser = "nicht angemeldet"
+                // global.appglobals.currentuserid = ""
+            })
+        },
+        view: (vnode) => {
+            return m(ModalView, {title: "Login",  width: '33%'} as iModalView, 
+                m("form.w3-padding-16", {oncreate: (vnode) => {form = vnode.dom as HTMLFormElement}, onsubmit: checklogin},
+                    m("label", "Benutzer-ID"),
+                    m("input.w3-input.w3-border", {name: 'userid', type: 'text'}),
+                    m("label", "Kennwort"),
+                    m("input.w3-input.w3-border", {name: 'password', type: 'password'}),
+                    m("div.w3-bar.w3-padding-16",
+                        [
+                            m("button.w3-button.w3-theme.w3-right", {style: {'margin-left': '4px'}, type: "submit"}, "Login"),
+                            m("button.w3-button.w3-theme.w3-right", {onclick: reset, type: "button"}, "Zurücksetzen"),
+                        ]
+                    )
+                )
+            )
+        }
+    }
+}
+
+export const changepasswordscreen: m.ClosureComponent = () => {
+    let form: HTMLFormElement = null;
+    function reset (e) {
+        form.reset()
+    }
+    function changepassword(e) {
+        e.preventDefault()
+        let formdata: FormData = new FormData(e.target as HTMLFormElement)
+        m.request ({
+            method: "POST", // Hier muss POST verwendet werden, weil GET keinen Body hat und Parameter nur im URL transportieren kann
+            url: "/auth/changepassword",
+            body: Object.fromEntries(formdata.entries())
+        })
+        .then(() => {m.route.set("/login")})
+        .catch((e) => {showServerError(e)}) 
+    }
+    return {
+        view: (vnode) => {
+            return m(ModalView, {title: "Kennwort ändern",  width: '33%'} as iModalView, 
+                m("form.w3-padding-16", {oncreate: (vnode) => {form = vnode.dom as HTMLFormElement}, onsubmit: changepassword},
+                    m("label", "Benutzer-ID"),
+                    m("input.w3-input.w3-border", {name: 'Userid', type: 'text', value: headerdata.userid, readonly: true}),
+                    m("label", "Altes Kennwort"),
+                    m("input.w3-input.w3-border", {name: 'OldPassword', type: 'password'}),
+                    m("label", "Neues Kennwort"),
+                    m("input.w3-input.w3-border", {name: 'NewPassword1', type: 'password'}),
+                    m("label", "Neues Kennwort"),
+                    m("input.w3-input.w3-border", {name: 'NewPassword2', type: 'password'}),
+                    m("div.w3-bar.w3-padding-16",
+                        [
+                            m("button.w3-button.w3-theme.w3-right", {style: {'margin-left': '4px'}, type: "submit"}, "Kennwort ändern"),
+                            m("button.w3-button.w3-theme.w3-right", {style: {'margin-left': '4px'}, onclick: reset, type: "button"}, "Zurücksetzen"),
+                            m("button.w3-button.w3-theme.w3-right", {onclick: () => {history.back()}, type: "button"}, "Abbrechen"),
+                        ]
+                    )
+                )
+            )
+        }
+    }
+}

Client/Components/auth/models/applications.ts

@@ -0,0 +1,18 @@
+import {iRole} from "./roles"
+
+export interface iApplication {
+    id: number
+    appid: string
+    name: string
+    minversion: string
+    beschreibung: string
+    roles: iRole[]
+}
+
+export interface iUserApp {
+    id: number
+    userid: number
+    appid: number
+    userapp_roles : iRole[]
+}
+

Client/Components/auth/models/roles.ts

@@ -0,0 +1,8 @@
+export interface iRole {
+    id: number
+    roleid: string
+    name: string
+    level: number
+    beschreibung: string
+}
+

Client/Components/auth/models/users.ts

@@ -0,0 +1,24 @@
+import { iUserApp } from "./applications"
+import { iRole } from "./roles"
+
+export interface iUser {
+    id: number
+    userid: string
+    username: string
+    password: string
+    email: string
+    telefon: string
+    isSysAdmin: boolean
+    userapps: iUserApp[]
+}
+
+export function hasAppRole(user: iUser, appid: number, roleid: number) {
+    let userapp: iUserApp = user.userapps.find((userapp: iUserApp) => {return userapp.appid == appid})
+    if (userapp != undefined) {
+        let userapprole: iRole = userapp.userapp_roles.find((role: iRole) => {return role.id == roleid})
+        if (userapprole != undefined) {
+            return true
+        } 
+    }
+    return false
+}

Client/Components/auth/userpage.ts

@@ -0,0 +1,364 @@
+import m from "mithril"
+import {hasAppRole, iUser} from "./models/users"
+import {iApplication} from "./models/applications"
+import {iRole} from "./models/roles"
+import {Treenode, iTreenode, Treetable, iTreetable, TopbarButton, iTopbarButton} from "../widgets/Treetable_V2"
+import {gridMountpoints, maingrid} from "../mainlayout"
+import {ModalView, ModalType, iModalView} from "../widgets/Modal"
+import { iWrongEditSelectionMessage, WrongEditSelectionMessage, showServerError} from "./authmessages"
+
+
+interface iTabelrow {
+    rowtype: any
+    col1: any
+    cols: any[]
+    info?: {
+        parentuserid: number
+        parentappid: number
+        roleid: number
+        ischecked: boolean
+    }
+}
+
+const localDataModel = {
+    userlist: [] as iUser[],
+    applist: [] as iApplication[],
+    usernodes: [] as iTreenode[],
+    startexpanded: false,
+    loadData: () => {
+        Promise.all([
+            m.request({
+                method: "GET",
+                url: "/auth/getusers"
+            }).then((result) => localDataModel.userlist = result as iUser[]),
+            m.request({
+                method: "GET",
+                url: "/auth/getapplications"
+            }).then((result) => localDataModel.applist = result as iApplication[]),
+        ])
+        .then(() => {
+            localDataModel.usernodes = []
+            localDataModel.userlist.map((u) => {
+                let userrow: iTabelrow = {
+                    rowtype: 'user',
+                    col1: u.userid,
+                    cols: [u.username, u.email, u.telefon]
+                }
+                let usernode: iTreenode = new Treenode(userrow, localDataModel.startexpanded, [])
+                localDataModel.applist.forEach((app: iApplication) => {
+                    let approw: iTabelrow = {
+                        rowtype: "app",
+                        col1: app.appid,
+                        cols: [app.name, app.minversion],
+                        info: {
+                            ischecked: false,
+                            parentuserid: u.id,
+                            parentappid: null,
+                            roleid: null
+                        }
+                        
+                    }
+                    let appnode: Treenode = new Treenode(approw, localDataModel.startexpanded, [])
+                    app.roles.forEach((role: iRole) => {
+                        let ischecked = hasAppRole(u, app.id, role.id)
+                        let rolerow: iTabelrow = {
+                            rowtype: "role",
+                            col1: role.name,
+                            cols: [role.roleid],
+                            info: {
+                                parentuserid: u.id,
+                                parentappid: app.id,
+                                ischecked: ischecked,
+                                roleid: role.id
+                            }
+                        }
+                        let rolenode: iTreenode = new Treenode(rolerow, localDataModel.startexpanded, [])
+                        appnode.children.push(rolenode)
+                    })
+                    usernode.children.push(appnode)
+                })
+                localDataModel.usernodes.push(usernode)
+            })
+        })
+        .catch((e) => {
+            if (e.code == 401) {
+                m.route.set("/login")
+            }
+        })
+    },
+    updateUser: (user: iUser) => {
+        m.request ({
+            method: "POST", // Hier muss POST verwendet werden, weil GET keinen Body hat und Parameter nur im URL transportieren kann
+            url: "/auth/updateuser",
+            body: user
+        })
+        .catch((e) => {showServerError(e)})
+        .finally(() => localDataModel.loadData())
+    },
+    deleteUsers: (users: iUser[]) => {
+        m.request({
+            method: "POST",
+            url: "/auth/deleteusers",
+            body: users.map((u: iUser) => {return u.userid})
+        })
+        .catch((e) => {showServerError(e)})
+        .finally(() => localDataModel.loadData())
+    },
+    applyUserAppRole: (tablerow: iTabelrow) => {
+        m.request ({
+            method: "POST",
+            url: "/auth/applyuserapprole",
+            body: tablerow.info
+        })
+        .catch((e) => {showServerError(e); localDataModel.loadData()})
+    } 
+}
+
+export const userlist: m.ClosureComponent = (vnode) => {
+    return {
+        oninit: (vnode) => {
+            localDataModel.loadData()
+        },
+        view: (vnode) => {
+            return m("div.w3-container.w3-content", {style: {'max-width': 'min-content', display: 'flex', 'flex-direction': 'column', height: 'inherit', 'overflow-y': 'inherit'}},    
+                m("h1", "Benutzerliste"),
+                m("div", {style: {flex: '1', 'overflow-y': 'inherit'}},
+                    m(Treetable, 
+                        {
+                            startexpanded: localDataModel.startexpanded,
+                            treenodes: localDataModel.usernodes,
+                            columnmapper: (node: iTreenode) => {
+                                let row: iTabelrow = node.nodevalue
+                                let isChecked = hasCheckedChilds(node)
+                                if (row.rowtype == "user") {
+                                    return [
+                                        m("strong", row.col1),
+                                        m("strong", row.cols[0]),
+                                        m(isChecked?"div.w3-text-green":"div.w3-text-red", {style: {display: 'flex'}},
+                                            // m("div", {style: {padding: '0px', height:'24px', width: '24px'}},
+                                            //     m("i.material-icons", isChecked?null:"dangerous"),
+                                            // ),
+                                            m("div", isChecked?"aktiv":"inaktiv")
+                                        ),
+                                        m("div.w3-small", 
+                                            m("div", row.cols[1]),
+                                            m("div", row.cols[2])
+                                        ),
+                                        m(EditUserButton, {userid: row.col1} as iEditUserButton),
+                                        m(DeleteUserButton, {userid: row.col1} as iDeleteUserButton)
+                                    ]
+                                }
+                                else if (row.rowtype == "role") {
+                                    return [
+                                        m("span.w3-small", row.col1),
+                                        m("span.w3-button", {
+                                                style: {padding: '0px'},
+                                                onclick: () => {
+                                                    row.info.ischecked = !row.info.ischecked
+                                                    localDataModel.applyUserAppRole(row)
+                                                }
+                                            },
+                                            m("i.material-icons.w3-theme-light", row.info.ischecked?"check_box":"check_box_outline_blank")
+                                        ),
+                                        m("span.w3-small", row.cols[0]),
+                                        m("span.w3-small", row.cols[1]),
+                                        m("span", ""),
+                                        m("span", "")
+                                    ]
+                                }
+                                else {
+                                    // rowtype "app"
+                                    let isChecked = hasCheckedChilds(node)
+                                    return [
+                                        m(isChecked?"span":"strong.w3-text-red", row.col1),
+                                        m("div", {style: {padding: '0px', height:'24px', width: '24px'}},
+                                            m("i.material-icons", isChecked?"check":null)
+                                        ),
+                                        m("span", row.cols[0]),
+                                        m("span", row.cols[1]),
+                                        m("span", ""),
+                                        m("span", "")
+                                    ]
+                                }
+                            }
+                        } as iTreetable,
+                        m(TopbarButton, {
+                            onclick: () => {
+                                m.mount(gridMountpoints.modalhook, {
+                                    view: (vnode) => {
+                                        return m(UserForm, {user: {id: -1} as iUser})
+                                    }
+                                })
+                            }} as iTopbarButton, 
+                            m("i.material-icons", "add")
+                        )
+                    )
+                )
+            )
+        }
+    }
+}
+
+function hasCheckedChilds(parenttreenode: iTreenode): boolean {
+    return parenttreenode.children.some((treenode: iTreenode) => {
+        if  (treenode.hasChildren) {
+            return hasCheckedChilds(treenode)
+        }
+        let tablerow = treenode.nodevalue as iTabelrow
+        return tablerow.info.ischecked
+    })
+}
+
+interface iUserForm {
+    user: iUser
+}
+const UserForm: m.ClosureComponent<iUserForm> = () => {
+    let form: HTMLFormElement = null;
+    let currentuser: iUser
+    function reset (e) {
+        form.reset()
+    }
+    function unmount () {
+        m.mount(gridMountpoints.modalhook, null)
+    }
+    function submit (e) {
+        e.preventDefault()
+        let formdata: FormData = new FormData(e.target as HTMLFormElement)
+
+        for (let element of formdata) {
+            currentuser[element[0]] = element[1]
+        }
+        localDataModel.updateUser(currentuser)
+        unmount()
+    }
+    return {
+        oninit: (vnode) => {
+            currentuser =  (vnode.attrs.user === undefined) ? {} as iUser : vnode.attrs.user
+        },
+        view: (vnode) => {
+            return m(ModalView, 
+                {
+                    title: "Benutzer",
+                    type: ModalType.MESSAGE,
+                    width: 'max-content'
+                } as iModalView,
+
+                m("form.w3-padding-16", {oncreate: (vnode) => {form = vnode.dom as HTMLFormElement}, onsubmit: submit},
+                    m("label", "ID (intern)"),
+                    m("div.w3-padding-small", currentuser.id),
+                    m("label", "Benutzer-ID"),
+                    m("input.w3-input.w3-border", {name: 'userid', type: 'text', value: currentuser.userid}),
+                    m("label", "Name"),
+                    m("input.w3-input.w3-border", {name: 'username', type: 'text', value: currentuser.username}),
+                    m("label", "E-Mail"),
+                    m("input.w3-input.w3-border", {name: 'email', type: 'email', value: currentuser.email}),
+                    m("label", "Telefon"),
+                    m("input.w3-input.w3-border", {name: 'telefon', type: 'tel', value: currentuser.telefon}),
+                    m("div.w3-bar.w3-padding-16",
+                        [
+                            m("button.w3-button.w3-theme.w3-right", {style: {'margin-left': '4px'}, type: "submit"}, "Speichern"),
+                            m("button.w3-button.w3-theme.w3-right", {style: {'margin-left': '4px'}, onclick: unmount, type: "button"}, "Abbrechen"),
+                            m("button.w3-button.w3-theme.w3-right", {onclick: reset, type: "button"}, "Zurücksetzen")
+                            
+                        ]
+                    )
+                )
+            )
+        }
+    }
+} 
+
+const WrongUserEditSelectionMessage: m.Component = {
+    view: () => {
+        return m(WrongEditSelectionMessage, {elementname: "Benutzer"} as iWrongEditSelectionMessage)
+    }
+}
+
+interface iDeleteUsersMessage {
+    userid: string
+}
+const DeleteUsersMessage: m.ClosureComponent<iDeleteUsersMessage> = (vnode) => {
+    let users: iUser[]
+    return {
+        oninit: (vnode) => {
+            users = localDataModel.userlist.filter((u: iUser) => {
+                return u.userid == vnode.attrs.userid
+            })
+        },
+        view: (vnode) => {
+            return (
+                m(ModalView, 
+                    {
+                        title: "Benutzer löschen",
+                        type: ModalType.MESSAGE,
+                        width: '33%'
+                    } as iModalView,
+                    m("p", "Sie wollen den folgenden Benutzer löschen:"),
+                    m("ul",
+                        users.map((user: iUser) => {
+                            return m("li", `${user.userid} (${user.username})`)
+                        })
+                    ),
+                    m("div.w3-bar.w3-padding-16",
+                        [
+                            m("button.w3-button.w3-theme.w3-right", 
+                                {
+                                    style: {'margin-left': '4px'},
+                                    onclick: () => {
+                                    localDataModel.deleteUsers(users); 
+                                    m.mount(gridMountpoints.modalhook, null)
+                                }}, "Löschen"),
+                            m("button.w3-button.w3-theme.w3-right", {onclick: () => {m.mount(gridMountpoints.modalhook, null)}}, "Abbrechen"),
+                        ]
+                    )
+                )
+            )
+        }
+    }
+}
+
+interface iDeleteUserButton {
+    userid: string
+}
+export const DeleteUserButton: m.ClosureComponent<iDeleteUserButton> = () => {
+    return {
+        view: (vnode) => {
+            return m("button.w3-button.w3-bar-item", {
+                    style: {'min-width': '24px', height: '24px', padding: '0'},
+                    onclick: () => {
+                        m.mount(gridMountpoints.modalhook, {view: () => {
+                            return m(DeleteUsersMessage, {userid: vnode.attrs.userid} as iDeleteUsersMessage)
+                        }})
+                    },
+                    title: "Benutzer löschen"
+                }, 
+                m("i.material-icons", "delete_forever")
+            )
+        }
+    }
+}
+interface iEditUserButton {
+    userid: string
+}
+export const EditUserButton: m.ClosureComponent<iEditUserButton> = () => {
+    return {
+        view: (vnode) => {
+            return m("button.w3-button.w3-bar-item", {
+                    style: {'min-width': '24px', height: '24px', padding: '0'},
+                    onclick: () => {
+                        let users: iUser[] = localDataModel.userlist.filter((u:iUser) => {
+                            return u.userid == vnode.attrs.userid
+                        })
+                        m.mount(gridMountpoints.modalhook, {view: () => {
+                            return m(UserForm, {user: users[0]} as iUserForm)
+                        }})
+                    },
+                    title: "Benutzer bearbeiten"
+                }, 
+                m("i.material-icons", "edit")
+            )
+        }
+    }
+}
+
+

Client/Components/header.ts

@@ -0,0 +1,74 @@
+import m from "mithril"
+ 
+export var headerdata = {
+    date: new Date(),
+    version: "",
+    username: "Nicht angemeldet",
+    userid: "Nicht angemeldet",
+    appheader: "Der gläserne Kunde"
+}
+
+export const header: m.Component = {
+    view: (vnode) => {
+        return m("div.w3-row-padding.w3-theme",
+            m("div.w3-twothird.w3-padding-16", {style: "display: flex; justify-content: space-between;"},
+                // <img src="pfad/zum/bild.jpg" width="300" height="200" alt="Beschreibung des Bildes">   
+                m("img", {src: "static/KBplus-Logo.png", height: 80, alt: "KBPlus CRM Logo"}),
+                m("h1", 
+                    m("div.w3-cell", headerdata.appheader)
+                )
+            ),
+            m("div.w3-third.w3-display-container.w3-small",
+                m("table.w3-right",
+                    m("tr.w3-hide-small",
+                        m("td", "Datum:"),
+                        m("td", headerdata.date.toLocaleDateString())
+                    ),
+                    m("tr.w3-hide-small",
+                        m("td", "Version:"),
+                        m("td", headerdata.version)
+                    ),
+                    m("tr",
+                        m("td", "Benutzer:"),
+                        m("td", headerdata.username)
+                    )
+                )
+            )
+        )
+    }
+}
+
+export const menubar: m.Component = {
+    view: (vnode) => {
+        return m("div.w3-bar.w3-black",
+            vnode.children
+        )
+    }
+}
+
+let menustack: MenuStack = null
+
+export function init_menustack(menubarmountpoint):void {
+    if (menustack == null) {menustack = new MenuStack(menubarmountpoint)}
+}
+export function get_menustack(): MenuStack  {
+    return menustack
+}
+
+class MenuStack {
+    private menustack = []
+    private menubarmountpoint = null
+    constructor(menubarmountpoint) {
+        this.menustack = []
+        this.menubarmountpoint = menubarmountpoint
+    }
+    push(menubar) {
+        this.menustack.push(menubar)
+        m.mount(this.menubarmountpoint, menubar)
+    }
+    pop() {
+        this.menustack.pop()
+        let menubar = this.menustack[this.menustack.length - 1]
+        m.mount(this.menubarmountpoint, menubar)
+    }
+}

Client/Components/kunde.ts

@@ -0,0 +1,18 @@
+import m from "mithril"
+import {Form, iForm} from "./widgets/form"
+import { Input, iInput} from "./widgets/inputs"
+
+export const kunde: m.Component = {
+    view: (vnode) => {
+        return m("div.w3-container.w3-twothird", 
+            m("h1", "Kundenstammblatt"),
+            m(Form, {showButtons: true, onsubmit: (null), oncancel: (null)} as iForm, [
+                m("label", "Kundenname (ganz neu)", m(Input, {name: "kundenname", value: "Musterfirma GmbH", type: "text"} as iInput)),
+                m("label", "Straße", m(Input, {name: "strasse", value: "Musterstraße 1", type: "text"} as iInput))  ,
+                m("label", "PLZ", m(Input, {name: "plz", value: "12345", type: "text"} as iInput)),
+                m("label", "Ort", m(Input, {name: "ort", value: "Musterstadt", type: "text"} as iInput)),
+                m("label", "Land", m(Input, {name: "land", value: "Deutschland", type: "text"} as iInput))
+            ])  
+        )
+    }
+}

Client/Components/mainlayout.ts

@@ -0,0 +1,50 @@
+import m from "mithril";
+
+export var gridMountpoints = {
+    header: null,
+    menubar: null,
+    main: null,
+    modalhook: null
+}
+export const maingrid: m.ClosureComponent = (vnode) => {
+    let gridstyle = {
+        'display': 'grid',
+        'grid-template-rows': 'auto auto 1fr',
+        'height': '100vh',
+        'width': '100vw'
+    }
+    return {
+        view: (vnode) => {
+            return [
+                m("div", {style: gridstyle},
+                    [
+                        m("div", {
+                            oncreate: (vnode) => { gridMountpoints.header = vnode.dom }, 
+                            style: {'grid-row': '1'}
+                        }),
+                        m("div", {
+                            oncreate: (vnode) => { gridMountpoints.menubar = vnode.dom }, 
+                            style: {'grid-row': '2'}
+                        }),
+                        m("div", 
+                            {
+                                //oncreate: (vnode) => { gridMountpoints.main = vnode.dom }, 
+                                style: {'grid-row': "3", 'overflow-y': 'auto', 'height': '100%'}
+                            },
+                            m("div", 
+                                {
+                                    oncreate: (vnode) => { gridMountpoints.main = vnode.dom },         
+                                    style: {'overflow-y': 'auto', height: 'inherit'}
+                                }
+                            )
+                        )
+                    ]
+                ),
+                m("div#modalhook", {
+                    oncreate: (vnode) => { gridMountpoints.modalhook = vnode.dom}
+                })
+            ]
+        }
+    }
+}
+ 

Client/Components/projekt.ts

@@ -0,0 +1,18 @@
+import m from "mithril"
+import {Form, iForm} from "./widgets/form"
+import { Input, iInput} from "./widgets/inputs"
+
+export const Projekt: m.Component = {
+    view: (vnode) => {
+        return m("div.w3-container.w3-twothird", 
+            m("h1", "Projekt-Stammblatt"),
+            m(Form, {showButtons: true, onsubmit: (null), oncancel: (null)} as iForm, [
+                m("label", "Kundenname", m(Input, {name: "kundenname", value: "Musterfirma GmbH", type: "text"} as iInput)),
+                m("label", "Projektname", m(Input, {name: "projektname", value: "Musterprojekt", type: "text"} as iInput))  ,
+                m("label", "Zweck", m(Input, {name: "zweck", value: "Musterzweck", type: "text"} as iInput)),
+                m("label", "Verantwortlicher", m(Input, {name: "verantwortlicher", value: "König Dickbauch", type: "text"} as iInput)),
+                m("label", "Startdatum", m(Input, {name: "startdatum", value: "2023-01-01", type: "date"} as iInput))
+            ])  
+        )
+    }
+}

Client/Components/widgets/Modal.ts

@@ -0,0 +1,71 @@
+import m from "mithril"
+import {BaseView} from "./base"
+
+export enum ModalType {
+    'MESSAGE',
+    'ERROR'
+}
+
+export interface iModalView {
+    title: string
+    subtitle: string
+    topposition: string
+    width: string
+    type: ModalType
+}
+export class ModalView extends BaseView implements iModalView{
+    title:string
+    subtitle:string
+    topposition:string
+    width:string
+    type:ModalType
+    
+    constructor (vnode) {
+        super()
+        this.title = super.getattr(vnode, "title", "Modal")
+        this.subtitle = super.getattr(vnode, "subtitle", "")
+        this.topposition = super.getattr(vnode, "topposition", "10%")
+        this.width = super.getattr(vnode, "width", 'max-content')
+        this.type = super.getattr(vnode, 'type', ModalType.MESSAGE)
+    }
+    view (vnode) {
+        return m("div.w3-modal", {style: {display:'block'}}, 
+            m("div.w3-modal-content.w3-card-4", {style: {width: this.width, top: this.topposition}},
+                [
+                    m(modalHeader, {type: this.type},
+                        [
+                            m(title, this.title), 
+                            (this.subtitle ? m(subtitle, this.subtitle) : null)
+                        ]
+                    ), 
+                    m(modalContent, vnode.children)
+                ]
+            )
+        )
+    }
+}
+
+const title = {
+    view: (vnode) => {
+        return m("h1", vnode.children)
+    }
+}
+const subtitle = {
+    view: (vnode) => {
+        return m("h3", vnode.children)
+    }
+}
+const modalHeader = {
+    view: (vnode) => {
+        let color = ".w3-theme"
+        if (vnode.attrs["type"] == ModalType.ERROR) {
+            color = ".w3-red"
+        }
+        return m("header.w3-container" + color, vnode.children)
+    }
+}
+const modalContent = {
+    view: (vnode) => {
+        return m("div.w3-container.w3-theme-l1", vnode.children)
+    }
+}

Client/Components/widgets/Treetable_V2.ts

@@ -0,0 +1,231 @@
+import m from "mithril"
+
+export interface iTreenode {
+    nodevalue: any
+    children: iTreenode[]
+    expand: boolean
+    hasChildren: boolean
+    isChecked?: boolean
+}
+
+export class Treenode implements iTreenode {
+    nodevalue:any = null
+    children: iTreenode[] =  []
+    expand: boolean = true
+    isChecked?: boolean = false
+    constructor(nodevalue: any = null, expand: boolean = false, children: iTreenode[] = [], isChecked: boolean = false) {
+        this.nodevalue = nodevalue
+        this.children = children
+        this.expand = expand
+        this.isChecked = isChecked
+    }
+    get hasChildren() {
+        return (this.children.length > 0)
+    }
+}
+
+export interface Columnmapper {
+    (row:iTreenode) : any[]
+}
+
+export interface iTreetable {
+    treenodes: iTreenode[]
+    columnmapper: Columnmapper
+    onRowMarked?: (node: iTreenode) => void
+    filter?: (row:iTreenode, searchvalue:string) => boolean
+}
+
+export const Treetable: m.ClosureComponent<iTreetable> = (vnode) =>  {
+    let onRowMarked = vnode.attrs.onRowMarked === undefined ? (node: iTreenode) => {} : vnode.attrs.onRowMarked
+    let expandtoggle: boolean = true
+    let searchvalue:string = ""
+    function setSearchvalue(v:string) {
+        searchvalue = v
+    }
+    return {
+        view: (vnode) => {
+            return m("div.w3-border-theme", {style: {height: '99%', overflow: 'hidden', 'border-style': 'solid', 'border-width': '1px'}},
+                m("div.w3-bar.w3-theme",
+                    m(TopbarButton, {
+                        onclick: () => {
+                            expandtoggle = true; changeTreenodes(vnode.attrs.treenodes, expandtoggle)
+                        }}, 
+                        m("i.material-icons", "unfold_more")
+                    ),
+                    m(TopbarButton, {
+                        onclick: () => {
+                            expandtoggle = false; changeTreenodes(vnode.attrs.treenodes, expandtoggle)
+                        }}, 
+                        m("i.material-icons", "unfold_less")
+                    ),
+                    vnode.children,
+                    (vnode.attrs.filter != undefined) ? m(SearchField, {setSearchvalue: setSearchvalue} as iSearchfield) : null 
+                ),
+                m("div", {style: {height: '100%'}}, 
+                    m("div", {style: {height: 'calc(100% - 32px', overflow: 'auto', width: '100%'}},
+                        m("table.w3-table", {style: {'overflow-y': 'auto'}},
+                            vnode.attrs.treenodes.map((tn:iTreenode, z) => {
+                                if (vnode.attrs.filter == undefined || (vnode.attrs.filter != undefined && vnode.attrs.filter(tn, searchvalue) == true)) { 
+                                return m(Treerow, {
+                                    // ACHTUNG: Änderungen hier müssen unten beim rekursiven Aufruf der Treerow-Funktion ebenfalls eingebaut werden
+                                    treenode: tn, 
+                                    level: 0, 
+                                    columnmapper1: vnode.attrs.columnmapper, 
+                                    onRowMarked: onRowMarked,
+                                    isEven: ((z % 2) == 0)} as iTreerow)
+                                }
+                                else {
+                                    return null
+                                }
+                            })
+                        )
+                    )
+                )
+            )
+        }
+    }
+}
+
+interface iTreerow {
+    treenode: iTreenode
+    level: number
+    columnmapper1: Columnmapper
+    onRowMarked: (node: iTreenode) => void
+    isEven?: boolean
+}
+let Treerow: m.ClosureComponent<iTreerow> = (vnode) => {
+    
+    return {
+        view: (vnode) => {
+            return [
+                m("tr.w3-border-theme", {onmouseup: () => vnode.attrs.onRowMarked(vnode.attrs.treenode),
+                         onkeyup: () => vnode.attrs.onRowMarked(vnode.attrs.treenode),
+                         class: (vnode.attrs.isEven ? "w3-tablerow-even" : "w3-tablerow-odd"),
+                         style: {'border-top-style': 'solid', 'border-top-width': '1px'}
+                    }, 
+                    m("td", // Zunächst wird ein td-Element für die erste Spalte der Tabelle erzeugt, damit dort die
+                            // Einrückung in Abhängigkeit vom evtl. Vorhandensein von Kind-Elementen erledigt wird  
+                        m("div", {style: {width: 'max-content', 'margin-left': `${(vnode.attrs.level * 25)}px`}} ,
+                                vnode.attrs.treenode.hasChildren 
+                                       // Wenn der Treenode Kinder hat, dann soll der "expand_more/expand_less"-Button
+                                       // angezeigt werden
+                                    ?  m("span.w3-button", {
+                                            onclick: () => {changeTreenode(vnode.attrs.treenode, !vnode.attrs.treenode.expand)},
+                                            style: {padding: '0px', 
+                                                    'margin-right': '8px', 
+                                                    width: '24px', 
+                                                    height: '24px'}}, 
+                                            m("i.material-icons", vnode.attrs.treenode.expand?"expand_more":"navigate_next")
+                                        )
+                                      // Wenn der Trennode keine Kinder hat, dann soll kein "expand_more/expand_less"-Button
+                                      // angezeigt werden, allerdings soll durch 'margin-left' der entsprechende Platz des
+                                      // Buttons eingerückt werden, damit die Einrückungs-Level auch bei "kinderlosen" Treenodes
+                                      // denen der Trennodes mit Kindern entsprechen   
+                                    : vnode.attrs.level == 0 
+                                        ? null // Wenn der kinderlos Treenode allerdings sirekt auf Level 0 ist, soll nocht
+                                               // eingerückt werden, da es bei Level 0 keine Eltern-Nodes mit Kindern und 
+                                               // demzufolge mit "expand_more/expand_less"-Button gibt.
+                                        : m(
+                                            "span", {
+                                                style: {'margin-left': '24px', 
+                                                        'margin-right': '8px'}
+                                            }
+                                        ),
+                                // Nachdem die einrückung auf Grund der "hasChildren"-Abfrage erledigt ist, wird der Inhalt
+                                // der ersten Spalte des Column-Mappers angezeigt        
+                                vnode.attrs.columnmapper1(vnode.attrs.treenode).splice(0,1)
+                        )
+                    ),
+                    // Dann werden die übrigen Spalten ganz normal als td-Elemente eingefügt
+                    vnode.attrs.columnmapper1(vnode.attrs.treenode).splice(1).map((column) => {
+                        return m("td", column)
+                    })
+                ),
+                // Falls der Trennode Kinder hat und expandiert werden soll, wird rekursiv die Trennode-Komponente für
+                // die Child-Nodes aufgerufen, ansonsten wir null zurückgegeben und die Einrückung hört auf
+                vnode.attrs.treenode.hasChildren && vnode.attrs.treenode.expand
+                ? vnode.attrs.treenode.children.map((tn: iTreenode, z) => {
+                    return m(Treerow, {
+                        treenode: tn, 
+                        level: vnode.attrs.level + 1, 
+                        columnmapper1: vnode.attrs.columnmapper1, 
+                        onRowMarked: vnode.attrs.onRowMarked,
+                        isEven: ((z % 2) == 0)
+                    } as iTreerow)
+                })
+                : null
+            ]
+        }
+    }
+}
+
+export interface iTopbarButton {
+    onclick: Function
+    tooltip?: string
+}
+export const TopbarButton: m.ClosureComponent<iTopbarButton> = () => {
+    return {
+        view: (vnode) => {
+            return m("button.w3-button.w3-bar-item", {
+                    style: {'min-width': '32px', height: '32px', padding: '4px'},
+                    onclick: vnode.attrs.onclick,
+                    title: vnode.attrs.tooltip?vnode.attrs.tooltip:null
+                }, 
+                vnode.children
+            )
+        }
+    }
+}
+
+/** Die Funktion kann aufgerufen werden, wenn eine Treenode-Struktur hinsichtlich 
+ *  "Expand more/less" geändert werden soll.
+ */
+export function changeTreenodes(treenodes: Treenode[], expand: boolean) {
+    treenodes.forEach((treenode: Treenode) => {
+        changeTreenode(treenode, expand)
+        if (treenode.hasChildren) {
+            changeTreenodes(treenode.children, expand)
+        }
+    })
+}
+function changeTreenode(treenode: Treenode, expand: boolean) {
+    treenode.expand = expand
+}
+
+interface iSearchfield {
+    setSearchvalue: (v:string) => void
+}
+const SearchField:m.ClosureComponent<iSearchfield> = (vnode) => {
+    let inputfield: HTMLInputElement|null = null
+    function oninput(e:Event) {
+        if (inputfield) {  // ✅ Null-Check
+            let v:string = inputfield.value
+            vnode.attrs.setSearchvalue(v)
+        }
+    }
+    return {
+        view: (vnode) => {
+            return m("div", {style: {display: "flex", border: "1px solid black", margin: '1px'}},
+                m("input.ggg-inputfocus", {
+                    oncreate: (vnode) => {
+                        inputfield = vnode.dom as HTMLInputElement
+                        inputfield.focus()
+                    },
+                    type:"text", 
+                    style: {flex: '1', border: 'none'}, oninput: oninput
+                }),
+                m("button.w3-button", {
+                    style: {'min-width': '28px', height: '28px', padding: '4px', border: 'none'},
+                    onclick: () => {
+                        if (inputfield) {  // ✅ Null-Check
+                            inputfield.value = ""
+                            vnode.attrs.setSearchvalue("")
+                            inputfield.focus()
+                        }
+                    }},
+                    m("i.material-icons", {style: {'font-size': 'medium'}}, "clear")
+                )
+            )
+        }
+    }
+}

Client/Components/widgets/base.ts

@@ -0,0 +1,7 @@
+export class BaseView {
+    
+    getattr(vnode: any, attrname: string, defaultvalue: any) {
+        return vnode.attrs[attrname] === undefined ? defaultvalue : vnode.attrs[attrname]
+     }
+
+}

Client/Components/widgets/form.ts

@@ -0,0 +1,112 @@
+import m from "mithril"
+
+export interface iForm {
+    
+    onchanged?: (e:Event) => void
+    onsubmit: (form:HTMLFormElement) => boolean
+    oncancel: (e:Event) => void
+    showbuttons?: boolean
+    /** Die Funktion gibt das HTMLFormElement zurück, welches in der Form-Componente angelegt wird */
+    onformcreate?: (form:HTMLFormElement) => void
+}
+
+export const Form:m.ClosureComponent<iForm> = (vnode) => {
+    let form: HTMLFormElement
+    let isDirty: boolean = false
+    let showButtons: boolean = vnode.attrs.showbuttons == undefined ? true : vnode.attrs.showbuttons
+    function canCloseForm(typ: string = "") {
+        if (!isDirty) {
+            return true
+        }
+        let text = (typ == "reset") ? "zurücksetzen" : "beenden"
+        return confirm (`Das Formular enthält noch ungespeicherte Eingaben. Wollen Sie das Formular trotzdem ${text}?`)
+    }
+    function onchanged (e:Event) {
+        isDirty = true
+        if (vnode.attrs.onchanged != undefined) {
+            vnode.attrs.onchanged(e)
+        }
+    }
+    function submit (e:Event) {
+        e.preventDefault()
+        if (vnode.attrs.onsubmit(form) == true) {
+            isDirty = false
+        }
+    }
+    function registerFormElement (f:HTMLFormElement) {
+        if (vnode.attrs.onformcreate != undefined) {
+            vnode.attrs.onformcreate(f)
+        }
+    }
+    function cancel(e:Event) {
+        e.preventDefault()
+        if (canCloseForm() == true) {
+            isDirty = false
+            if (vnode.attrs.oncancel != undefined) {
+                vnode.attrs.oncancel(e)
+            }
+            else {
+                history.back()
+            }
+        }
+        else {
+            e['redraw'] = false
+        }
+    }
+    function reset(e:Event) {
+        if (canCloseForm("reset")) {
+            isDirty = false
+            // Hier passiert nichts.
+            // Da mithril nach jedem User-Event (wie z.B. einem 'Click') ein redraw() ausführt, wird hier die Form
+            // neu gezeichnet und zwar mit den ursprünglichen Daten aus den zu grundeliegenden Datenmodel, das ja 
+            // ohne submit noch nicht geändert wurde.
+            return
+        }
+        e['redraw'] = false
+        return
+    }
+    return {
+        onremove: (vnode) => {
+            let message = "remove"
+            if (isDirty) {
+                message += " isDirty" 
+            }
+            console.log(message)
+        },
+        view: (vnode) => {
+            return m("form", {
+                    onreset: () => {console.log("reset")},
+                    onsubmit: submit,
+                    oncreate: (vnode) => {
+                        form = vnode.dom as HTMLFormElement
+                        let elements = form.querySelectorAll("input,textarea")
+                        for (let index = 0; index < elements.length; index++) {
+                            const element = elements[index];
+                            element.addEventListener("change", onchanged)
+                        }
+                        registerFormElement(form)
+                    }
+                },
+                vnode.children,
+                showButtons == true ?
+                    m("div.w3-bar.w3-padding-16",[
+                        m("button.w3-button.w3-theme.w3-right.w3-mobile", {style: {margin: '0px 0px 2px 4px'}, type: "submit"}, "Speichern"),
+                        m("button.w3-button.w3-theme.w3-right.w3-mobile", {style: {margin: '0px 0px 2px 4px'}, onclick: cancel, type: "button"}, "Abbrechen"),
+                        m("button.w3-button.w3-theme.w3-right.w3-mobile", {onclick: reset, type: "button"}, "Zurücksetzen")
+                    ])
+                : null
+            )
+        }
+    }
+}
+
+export interface iFormBorder {
+    maxwidth: string
+}
+export const FormBorder: m.Component<iFormBorder> = {
+    view: (vnode) => {
+        let mw:string  = vnode.attrs.maxwidth === undefined ? "600px" : vnode.attrs.maxwidth
+        return m("div.w3-border.w3-border-theme.w3-container.w3-content.w3-margin-top", 
+            {style: {'max-width': mw, 'box-shadow': '3px 3px 3px darkgrey'}}, vnode.children)
+    }
+ }

Client/Components/widgets/inputs.ts

@@ -0,0 +1,127 @@
+import m from "mithril"
+
+/**
+ * Der Vnode der Komponente 'Input' akzeptiert die folgenden Parameter:
+ *  @property {string} name - Der Name des Feldes 
+ *  @property {any} value - der darzustellende Wert
+ *  @property {string} type (optional) - der Type des Input Felds. Möglich sind alle Type des HTML-Elements 'Input'
+ *  @property {string|number} width (optional) - die Breite des Input Felds. Möglich sind alle Längeneinheiten, die bom Width-Attribut möglich sind
+ *  @property {number} min (optional) - 
+ *  @property {number} max (optional) - 
+ *  @property {number} step (optional) - 
+ *  @property {boolean} autofocus (optional) - 
+ */
+export interface iInput {
+    name: string
+    value: any
+    type?: string
+    width?: string
+    min?: number
+    max?: number
+    step?: number
+    autofocus?: boolean
+    readonly?: boolean
+    required?:boolean
+    onchanged?: Function
+}
+/**
+ * Diese Komponente stellt ein Html-Input Element dar. Der darzustellende Wert wird einfach mit dem Attribut
+ * 'value' übergeben. Der eingegebene Wert muss dann später explizit aus Value abgefragt werden. Es findet also kein
+ * sutomatisches Binding statt.
+ */
+export const Input:m.Component<iInput> = {
+    onupdate: (vnode) => {
+        if (vnode.attrs.autofocus != undefined && vnode.attrs.autofocus == true) {
+            let e: HTMLElement = vnode.dom as HTMLElement
+            e.focus()
+        }
+    },
+    view: (vnode) => {
+        let attributes = {}
+        let width:number|string = '100%'
+        attributes['name'] = vnode.attrs.name
+        attributes['type'] = vnode.attrs.type == undefined ? 'text' : vnode.attrs.type
+        if (attributes['type'] == 'number') {
+            if (vnode.attrs.min != undefined) {
+                attributes['min'] = vnode.attrs.min
+            }
+            if (vnode.attrs.max != undefined) {
+                attributes['max'] = vnode.attrs.max
+            }
+            if (vnode.attrs.step != undefined) {
+                attributes['step'] = vnode.attrs.step
+            }
+        }
+        if (attributes['type'] == 'date') {
+            attributes['value'] = toDateInputValue(vnode.attrs.value)
+        }
+        else {
+            attributes['value'] = vnode.attrs.value
+        }
+        if (vnode.attrs.required != undefined && vnode.attrs.required == true) {
+            attributes['required'] = vnode.attrs.required
+        }
+        if (vnode.attrs.readonly != undefined && vnode.attrs.readonly == true) {
+            attributes['readonly'] = "true"
+        }
+        if (vnode.attrs.width != undefined) {
+            width = vnode.attrs.width
+        }
+        attributes['style'] = {'margin-bottom': '5px', 'width': width}
+        if (vnode.attrs.onchanged != undefined) {
+            attributes['onchange'] = vnode.attrs.onchanged
+        }
+        
+        
+        return m("input.w3-input.w3-border", attributes)
+    }
+}
+
+export interface iTextarea {
+    name: string
+    value: any
+    cols?: number
+    rows?: number
+    autofocus?: boolean
+    readonly?: boolean
+}
+
+/**
+ * Diese Komponente stellt ein Html-Textarea Element dar. Der darzustellende Wert wird einfach mit dem Attribut
+ * 'value' übergeben. Der eingegebene Wert muss dann später explizit aus Value abgefragt werden. Es findet also kein
+ * automatisches Binding statt.
+ */
+export const Textarea:m.Component<iTextarea> = {
+    onupdate: (vnode) => {
+        if (vnode.attrs.autofocus != undefined && vnode.attrs.autofocus == true) {
+            let e: HTMLElement = vnode.dom as HTMLElement
+            e.focus()
+        }
+    },
+    view: (vnode) => {
+        let attributes = {}
+        attributes['name'] = vnode.attrs.name
+        attributes['value'] = vnode.attrs.value
+        if (vnode.attrs.cols != undefined) {
+            attributes['cols'] = vnode.attrs.cols
+        }
+        if (vnode.attrs.rows != undefined) {
+            attributes['rows'] = vnode.attrs.rows
+        }
+        if (vnode.attrs.readonly != undefined && vnode.attrs.readonly == true) {
+            attributes['readonly'] = vnode.attrs.readonly
+        }
+        attributes['style'] = {'margin-bottom': '5px', "width": '100%'}
+        
+        return m("textarea.w3-input.w3-border.w3-mobile", attributes)
+    }
+}
+
+export function toDateInputValue(date: Date): string {
+    console.log(date, typeof(date), (date instanceof Date))
+    let result: string = null
+    if (date instanceof Date && date != null) {
+        result = [date.getFullYear(), (date.getMonth() + 1).toString().padStart(2, "0"), date.getDate().toString().padStart(2, "0")].join("-")
+    }
+    return result
+}

Client/Components/widgets/tab_view.ts

@@ -0,0 +1,39 @@
+import m from "mithril"
+
+
+interface iTabDef {
+    tabname: string
+    tabview: m.ComponentTypes
+}
+
+type TabDef = [string, m.ComponentTypes]
+
+export interface iTabView {
+    tabviews: TabDef[]
+}
+
+export const TabView: m.ClosureComponent<iTabView> = (vnode) => {
+    let tv = {}
+    vnode.attrs.tabviews.forEach((item: TabDef) => {
+        tv[item[0]] = item[1]
+    })
+    
+    let currTab = ""
+    function changeview(e) {
+        currTab = e.target.value
+    }
+    return {
+        view: (vnode) => {
+            return m("div", {style: {display: 'grid', 'grid-template-rows': "auto 1fr", height: '100%'}}, [
+                m("div.w3-bar.w3-theme.w3-border-bottom.w3-border-theme.w3-theme-action.w3-small",
+                    Object.keys(tv).map((key) => {
+                        if (currTab == "") {currTab = key}
+                        let c = (key == currTab) ? ".w3-theme-light" : ""
+                        return m("button.w3-bar-item.w3-button" + c, {value: key, onclick: changeview}, key)
+                    })
+                ),
+                m("div", m(tv[currTab]))
+            ])
+        }
+    }
+}

Client/index.ts

@@ -0,0 +1,149 @@
+import m from "mithril"
+import {gridMountpoints, maingrid} from "./Components/mainlayout"
+import {header, menubar, init_menustack, get_menustack, headerdata} from "./Components/header"
+import { appmanagementpage } from "./Components/auth/appmanagementpage"
+import { changepasswordscreen, loginscreen } from "./Components/auth/login"
+import {kunde} from "./Components/kunde"
+import { Projekt } from "./Components/projekt"
+
+
+function healthcheck () {
+    m.request({
+        method: "GET",
+        url: "/xhr/health-check"})
+        .then((result) => {
+            data.success = result['result']
+            data.time = result['time']
+            data.server = result['server']
+            data.projectname = result["projectname"]
+            data.clientappversion = result["clientappversion"]
+        })
+    return
+}
+
+function getClientappversion(): void {
+    //let version:string = document.querySelector('meta[name="clientappversion"]')['content']
+    const meta = document.querySelector<HTMLMetaElement>('meta[name="clientappversion"]');
+    const version = meta?.content ?? ''; // leerer String als Fallback
+    console.log(version)
+    headerdata.version = version
+}
+
+function check_currentuser (): boolean {
+    let result = true
+    const cu = sessionStorage.getItem("CurrentUser")
+    if (cu != null) {
+        headerdata.username = cu 
+    }
+    else {
+        result = false
+    }
+    return result
+}
+
+let data = {
+    success: "n/a",
+    time: "n/a",
+    server: "n/a",
+    projectname: "n/a",
+    clientappversion: "n/a"
+}
+
+function logout() {
+    m.request({
+        method: "GET",
+        url: "/auth/logout"
+    })
+    .then((result) => {
+        console.log(result)
+        sessionStorage.removeItem("CurrentUser");
+        sessionStorage.removeItem("CurrentUserIsSysAdmin");
+        headerdata.username = "Nicht angemeldet"
+        if (result['logout'] == true) {m.route.set("/blankpage")} 
+    })
+    .finally(() => {
+        location.href = "/index.html"
+    })
+}
+
+const hello: m.Component = {
+    oninit: (vnode) => {
+        healthcheck()
+    },
+    view: (vnode) => {
+        return m("div", 
+            m("h1", "Health-Check Python App-Server"), 
+            m(hello2),
+            m(knopf)
+        )
+    } 
+}
+
+const hello2: m.Component = {
+    view: (vnode) => {
+        return m("ul", 
+            m("li", "Result: " + data.success),
+            m("li", data.time),
+            m("li", data.server),
+            m("li", data.projectname),
+            m("li", data.clientappversion),
+        )
+    }
+}
+
+const knopf: m.Component = {
+    view: (vnode) => {
+        return m("button", {onclick: healthcheck}, "Aktualisieren")
+    }
+}
+const menu: m.Component = {
+    view: (vnode) => {
+        return m(menubar, [
+            m("a.w3-button.w3-bar-item", {href: "#!/kunde"}, "Kunden"),
+            m("a.w3-button.w3-bar-item", {href: "#!/projekt"}, "Projekte"),
+            m("a.w3-button.w3-bar-item", {href: "#!/routename"}, "Gesprächsnotizen"),
+            // m("a.w3-button.w3-bar-item", {onclick: healthcheck}, "Aktualisieren"),
+            m("div.w3-dropdown-hover",
+                m("button.w3-button", "Optionen"),
+                m("div.w3-dropdown-content.w3-bar-block.w3-card-4",
+                    m("a.w3-button.w3-bar-item", {href: "#!/default"}, "Tags"),
+                    m("a.w3-button.w3-bar-item", {href: "#!/default"}, "Datenexport"),
+                    m("a.w3-button.w3-bar-item", {href: "#!/default"}, "Datenimport"),
+                )
+            ),
+            m("div.w3-button.w3-right", {onclick: logout}, "Logout"),
+            m("div.w3-dropdown-hover.w3-right",
+                m("button.w3-button", "System"),
+                m("div.w3-dropdown-content.w3-bar-block.w3-card-4",
+                    m("a.w3-button.w3-bar-item", {href: "#!/login"}, "Login"),
+                    m("a.w3-button.w3-bar-item", {href: "#!/changepassword"}, "Kennwort ändern"),
+                    m("a.w3-button.w3-bar-item", {href: "#!/usermanagement"}, "Verwalten"),
+                )
+            )
+        ])
+    }
+}
+
+let mountpoint = document.getElementById("body")
+
+m.mount(mountpoint, maingrid)
+m.mount(gridMountpoints.header, header)
+m.mount(gridMountpoints.main, hello)
+
+init_menustack(gridMountpoints.menubar)
+get_menustack().push(menu)
+
+getClientappversion()
+
+if (check_currentuser() == false) {
+    m.route.set("/login")
+}
+
+m.route(gridMountpoints.main, "/blankpage", {
+    "/blankpage": hello,
+    "/usermanagement": appmanagementpage,
+    "/changepassword": changepasswordscreen,
+    "/login": loginscreen,
+    "/kunde": kunde,
+    "/projekt": Projekt
+})

Client/inireader.mjs

@@ -0,0 +1,42 @@
+
+import { readFileSync } from 'fs';
+
+var result = ""
+
+// https://stackoverflow.com/questions/55409195/reading-ini-file-using-javascript
+function parseINIString(data){
+    var regex = {
+        section: /^\s*\[\s*([^\]]*)\s*\]\s*$/,
+        param: /^\s*([^=]+?)\s*=\s*(.*?)\s*$/,
+        comment: /^\s*;.*$/
+    };
+    var value = {};
+    var lines = data.split(/[\r\n]+/);
+    var section = null;
+    lines.forEach(function(line){
+        if(regex.comment.test(line)){
+            return;
+        }else if(regex.param.test(line)){
+            var match = line.match(regex.param);
+            if(section){
+                value[section][match[1]] = match[2];
+            }else{
+                value[match[1]] = match[2];
+            }
+        }else if(regex.section.test(line)){
+            var match = line.match(regex.section);
+            value[match[1]] = {};
+            section = match[1];
+        }else if(line.length == 0 && section){
+            section = null;
+        };
+    });
+    return value;
+}
+
+export function getIniValue(value){
+    return result["APP"][value]
+}
+
+var inifile = readFileSync("../App_Server/root/config.ini").toString()
+result = parseINIString(inifile)

Client/package.json

@@ -0,0 +1,13 @@
+{
+  "dependencies": {
+    "mithril": "^2.2.2"
+  },
+  "devDependencies": {
+    "@rollup/plugin-commonjs": "^26.0.1",
+    "@rollup/plugin-node-resolve": "^15.2.3",
+    "@rollup/plugin-terser": "^0.4.4",
+    "@types/mithril": "^2.2.7",
+    "rollup": "^4.21.2",
+    "typescript": "^6.0.3"
+  }
+}

Client/rollup.config.mjs

@@ -0,0 +1,42 @@
+// Die Config-Datei muss ab Rollup Version 3 die Endung .mjs haben. (s. Rollup Dokumentation "Migration to Rollup 3")
+import {nodeResolve} from '@rollup/plugin-node-resolve';
+import commonjs from '@rollup/plugin-commonjs';
+import terser from '@rollup/plugin-terser';
+// import json from '@rollup/plugin-json';
+import {getIniValue} from "./inireader.mjs"
+
+var version = getIniValue("version")
+var projectname = getIniValue("projectname")
+
+export default {
+    input: './tsout/index.js',
+    output: [
+      {
+        file: `/usr/opt/pythonapp/NGINX_Server/html/static/${projectname}_${version}.js`,
+        format: 'iife',
+        name: `${projectname}`
+      },
+      {
+        file: `/usr/opt/pythonapp/NGINX_Server/html/static/${projectname}_${version}.min.js`,
+        format: 'iife',
+        name: `${projectname}`,
+        plugins: [
+          terser()
+        ]
+      }
+    ],
+    plugins: [
+			nodeResolve({
+        // Der folgende Eintrag ist erforderlich, weil das tsout-Verzeichnis und somit das Input-Verzeichnis für Rollup, 
+        // welches die Typescript-Kompilierten Programme enthält, nicht als Unterverzeichnis des Projekt-Verzeichnisses 
+        // (...\UWSGI-Server\vassals\timesheet\client\src) angelegt ist, sondern parallel dazu.
+        // Ohne den folgenden Eintrag findet Rollup dann nicht das "Mithril"-Modul und es kommt zu Fehlern ("global nicht gefunden" usw.)
+        // Zusätzlich verwirrend war, dass der Fehler nicht auftrat, wenn das commonjs-Plugin mit der Version 21 eingesetzt war.
+        // Erst nachdem ich herausgefunden hatte, dass der nachfolgende Eintrag im Node-Resolve-Plugin den Fehler behob, konnte
+        // ich das commenjs-Plugin in der aktuellsten Version einsetzten.
+        modulePaths: ['node_modules'],
+      }),
+      commonjs()
+      // json()
+    ]
+  };

Client/tsconfig.json

@@ -0,0 +1,10 @@
+{ 
+    "compilerOptions": {
+        "allowJs": false,
+        "outDir": "./tsout",
+        "module": "ESNext",
+        "target": "ES2019",
+        "allowSyntheticDefaultImports": true,
+        "strict": false
+    }
+}