Merge pull request #5 from telerik/2023_R2_scheduler_start_state

Added starting state for scheduler container.

src/app/modules/backlog/components/detail/item-task-schedule/pt-item-task-schedule.component.html

@@ -0,0 +1 @@
+<h3>Place scheduler here</h3>

src/app/modules/backlog/components/detail/item-task-schedule/pt-item-task-schedule.component.ts

@@ -0,0 +1,121 @@
+import { Component, Input, ChangeDetectionStrategy, Output, EventEmitter, OnInit } from '@angular/core';
+import { FormGroup, FormBuilder, Validators } from '@angular/forms';
+
+import { PtTask } from '../../../../../core/models/domain';
+import { PtNewTask, PtTaskUpdate } from '../../../../../shared/models/dto';
+import { EMPTY_STRING } from '../../../../../core/helpers/string-helpers';
+import { BehaviorSubject } from 'rxjs';
+import { SchedulerEvent, SaveEvent, RemoveEvent } from '@progress/kendo-angular-scheduler';
+
+
+@Component({
+    selector: 'app-item-task-schedule',
+    templateUrl: 'pt-item-task-schedule.component.html',
+    styleUrls: ['pt-item-task-schedule.component.css'],
+    changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class PtItemTaskScheduleComponent implements OnInit {
+
+    @Input() public tasks$: BehaviorSubject<PtTask[]> = new BehaviorSubject<PtTask[]>([]);
+
+    @Output() addNewTask = new EventEmitter<PtNewTask>();
+    @Output() updateTask = new EventEmitter<PtTaskUpdate>();
+
+    public newTaskTitle = EMPTY_STRING;
+    private lastUpdatedTitle = EMPTY_STRING;
+
+    public displayDate = new Date();
+    public startTime = '07:00';
+    public events: SchedulerEvent[] = [];
+    public formGroup: FormGroup | undefined;
+
+    constructor(private formBuilder: FormBuilder) {
+        this.createFormGroup = this.createFormGroup.bind(this);
+    }
+
+    public ngOnInit() {
+        this.tasks$.subscribe(tasks => {
+            const sevents = tasks.filter(t => t.dateStart && t.dateEnd).map(t => {
+                const evt: SchedulerEvent = {
+                    id: t.id,
+                    title: t.title ? t.title : '',
+                    start: t.dateStart ? t.dateStart : new Date(),
+                    end: t.dateEnd ? t.dateEnd : new Date(),
+                    isAllDay: false
+                };
+                return evt;
+            });
+
+            if (sevents.length > 0) {
+                this.events = sevents;
+                const minDate = new Date(Math.min.apply(null, sevents.map((e) => new Date(e.start).valueOf())));
+                this.displayDate = minDate;
+            }
+        });
+    }
+
+    public createFormGroup(args: any): FormGroup {
+        const ev = args.event;
+
+        this.formGroup = this.formBuilder.group({
+            'id': args.isNew ? this.getNextId() : ev.id,
+            'start': [ev.start, Validators.required],
+            'end': [ev.end, Validators.required],
+            'startTimezone': [ev.startTimezone],
+            'endTimezone': [ev.endTimezone],
+            'isAllDay': ev.isAllDay,
+            'title': ev.title,
+            'description': ev.description,
+            'recurrenceRule': ev.recurrenceRule
+        });
+
+        return this.formGroup;
+    }
+
+    public getNextId(): number {
+        const len = this.events.length;
+        return (len === 0) ? 1 : this.events[this.events.length - 1].id + 1;
+    }
+
+    public onSave(args: SaveEvent) {
+        if (args.isNew) {
+            const newTask: PtNewTask = {
+                // TODO: Change this to appropriate collection when implemented in scheduler
+                title: args.formGroup.controls['title'].value,
+                completed: false,
+                dateStart: args.formGroup.controls['start'].value,
+                dateEnd: args.formGroup.controls['end'].value
+            };
+            this.addNewTask.emit(newTask);
+        } else {
+            const taskToUpdate = this.tasks$.value.find(t => t.id === args.dataItem.id);
+            if (taskToUpdate) {
+                // TODO: Change this to appropriate collection when implemented in scheduler
+                taskToUpdate.title = args.formGroup.controls['title'].value;
+                taskToUpdate.dateStart = args.dataItem.start;
+                taskToUpdate.dateEnd = args.dataItem.end;
+                const taskUpdate: PtTaskUpdate = {
+                    task: taskToUpdate,
+                    toggle: false
+                };
+                this.updateTask.emit(taskUpdate);
+            }
+        }
+    }
+
+    public onRemove(args: RemoveEvent) {
+        // TODO: This is not implemented at the correct momemt - right now this event is
+        // triggered when the 'x' on the event is hit, but there is no other event for removal.
+        const taskToDelete = this.tasks$.value.find(t => t.id === args.event.id);
+        if (taskToDelete) {
+            const taskUpdate: PtTaskUpdate = {
+                task: taskToDelete,
+                toggle: false,
+                delete: true
+            };
+
+            // this.updateTask.emit(taskUpdate);
+        }
+    }
+
+}