Calendar multi view mode

projects/igniteui-angular/src/lib/calendar/README.md

@@ -55,6 +55,12 @@ A multiple selection calendar with different locale and templating for the subhe
 </igx-calendar>
 ```
 
+A calendar displaying more than one month in the view and hiding the days that are outside of the current month
+```html
+<igx-calendar monthsViewNumber="2" [hideOutsideDays]="'true'">
+</igx-calendar>
+```
+
 The **igxCalendar** implements the `ControlValueAccessor` interface, providing two-way data-binding
 and the expected behavior when used both in Template-driven or Reactive Forms.
 
@@ -65,8 +71,8 @@ When the **igxCalendar** component is focused:
 - `PageDown` will move to the next month.
 - `Shift + PageUp` will move to the previous year.
 - `Shift + PageDown` will move to the next year.
-- `Home` will focus the first day of the current month that is into view.
-- `End` will focus the last day of the current month that is into view.
+- `Home` will focus the first day of the current month (or first month if more months are displayed) hat is into view.
+- `End` will focus the last day of the current month ((or last month if more months are displayed)) that is into view.
 - `Tab` will navigate through the subheader buttons;
 
 When `prev` or `next` month buttons (in the subheader) are focused:
@@ -82,6 +88,7 @@ When a day inside the current month is focused:
 - Arrow keys will navigate through the days.
 - Arrow keys will allow navigation to previous/next month as well.
 - `Enter` will select the currently focused day.
+- When more than one month view is displayed, navigating with the arrow keys should move to next/previous month after navigating from first/last day in current month.
 
 When a month inside the months view is focused:
 - Arrow keys will navigate through the months.
@@ -154,6 +161,13 @@ The default values are listed below.
 { day: false, month: true, year: false }
 ```
 
+- `monthViewsNumber: number`
+Controls the number of month views displayed. Default is 1.
+
+- `hideOusideDays: boolean`
+Controls the visibility of the dates that do not belong to the current month.
+
+
 ### Outputs
 
 - `onSelection(): Date | Date[]`

projects/igniteui-angular/src/lib/calendar/calendar-base.ts

@@ -143,6 +143,10 @@ export class IgxCalendarBase implements ControlValueAccessor {
      * Otherwise it is an array of `Date` objects.
      */
     public set value(value: Date | Date[]) {
+        if (!value || !!value && (value as Date[]).length === 0) {
+            return;
+        }
+
         this.selectDate(value);
     }
 
@@ -210,6 +214,20 @@ export class IgxCalendarBase implements ControlValueAccessor {
         this._specialDates = value;
     }
 
+    /**
+     * Sets/gets whether the outside dates (dates that are out of the current month) will be hidden.
+     * Default value is `false`.
+     * ```html
+     * <igx-calendar [hideOutsideDays] = "true"></igx-calendar>
+     * ```
+     * ```typescript
+     * let hideOutsideDays = this.calendar.hideOutsideDays;
+     * ```
+     */
+
+    @Input()
+    public hideOutsideDays = false;
+
     /**
      * Emits an event when a date is selected.
      * Provides reference the `selectedDates` property.
@@ -379,7 +397,14 @@ export class IgxCalendarBase implements ControlValueAccessor {
      */
     private selectMultiple(value: Date | Date[]) {
         if (Array.isArray(value)) {
-            this.selectedDates = this.selectedDates.concat(value.map(v => this.getDateOnly(v)));
+            const newDates = value.map(v => this.getDateOnly(v).getTime());
+            const selDates = this.selectedDates.map(v => this.getDateOnly(v).getTime());
+
+            if (JSON.stringify(newDates) === JSON.stringify(selDates)) {
+                return;
+            }
+
+            this.selectedDates = Array.from(new Set([...newDates, ...selDates])).map(v => new Date(v));
         } else {
             const valueDateOnly = this.getDateOnly(value);
             const newSelection = [];
@@ -395,7 +420,7 @@ export class IgxCalendarBase implements ControlValueAccessor {
                 this.selectedDates = this.selectedDates.concat(newSelection);
             }
         }
-
+        this.selectedDates.sort((a: Date, b: Date) => a.valueOf() - b.valueOf());
         this._onChangeCallback(this.selectedDates);
     }
 

projects/igniteui-angular/src/lib/calendar/calendar.component.html

@@ -3,14 +3,14 @@
     <span>{{ getFormattedDate().monthday }}</span>
 </ng-template>
 
-<ng-template let-result #defaultMonth>
+<ng-template let-result #defaultMonth let-obj>
     <span tabindex="0" #monthsBtn (keydown)="activeViewYearKB($event)" (click)="activeViewYear()"
         class="igx-calendar-picker__date">
-        {{ formattedMonth(viewDate) }}
+        {{ formattedMonth(getViewDate(obj.index)) }}
     </span>
     <span tabindex="0" #yearsBtn (keydown)="activeViewDecadeKB($event)" (click)="activeViewDecade()"
         class="igx-calendar-picker__date">
-        {{ formattedYear(viewDate) }}
+        {{ formattedYear(getViewDate(obj.index)) }}
     </span>
 </ng-template>
 
@@ -26,33 +26,42 @@ <h2 class="igx-calendar__header-date">
     (swipeleft)="nextMonth()">
     <div class="igx-calendar-picker">
         <div tabindex="0" class="igx-calendar-picker__prev" #prevMonthBtn
-            igxCalendarScrollMonth [startScroll]="startPrevMonthScroll" [stopScroll]="stopMonthScroll">
+            igxCalendarScrollMonth [startScroll]="startPrevMonthScroll" [stopScroll]="stopMonthScroll"  [ngStyle]="{
+                    'min-width.%': 100/(monthsViewNumber*7),
+                    'left': 0
+                }">
             <igx-icon fontSet="material">keyboard_arrow_left</igx-icon>
         </div>
-        <div>
-            <ng-container *ngTemplateOutlet="subheaderTemplate ? subheaderTemplate : defaultMonth; context: context">
+        <div *ngFor="let view of dayViews; index as i;" [style.width.%]="100/monthsViewNumber">
+            <ng-container *ngTemplateOutlet="subheaderTemplate ? subheaderTemplate : defaultMonth; context: getContext(i)">
             </ng-container>
         </div>
-        <div tabindex="0" class="igx-calendar-picker__next" #nextMonthBtn
-            igxCalendarScrollMonth [startScroll]="startNextMonthScroll" [stopScroll]="stopMonthScroll">
+        <div tabindex="0" class="igx-calendar-picker__next" #nextMonthBtn 
+            igxCalendarScrollMonth [startScroll]="startNextMonthScroll" [stopScroll]="stopMonthScroll" [ngStyle]="{
+                    'min-width.%': 100/(monthsViewNumber*7),
+                    'right': 0
+                }">
             <igx-icon fontSet="material">keyboard_arrow_right</igx-icon>
         </div>
     </div>
 
-    <igx-days-view [changeDaysView]="true" #days
-                   [animationAction]="monthAction"
-                   [locale]="locale"
-                   [value]="value"
-                   [viewDate]="viewDate"
-                   [weekStart]="weekStart"
-                   [formatOptions]="formatOptions"
-                   [formatViews]="formatViews"
-                   [selection]="selection"
-                   [disabledDates]="disabledDates"
-                   [specialDates]="specialDates"
-                   (onViewChanged)="viewChanged($event)"
-                   (onDateSelection)="childClicked($event)">
-    </igx-days-view>
+    <div style="display: flex">
+        <igx-days-view *ngFor="let view of dayViews; index as i;" [changeDaysView]="true" #days
+                [animationAction]="monthAction"
+                [locale]="locale"
+                [value]="value"
+                [viewDate]="getViewDate(i)"
+                [weekStart]="weekStart"
+                [formatOptions]="formatOptions"
+                [formatViews]="formatViews"
+                [selection]="selection"
+                [disabledDates]="disabledDates"
+                [specialDates]="specialDates"
+                [hideOutsideDays]="hideOutsideDays"
+                (onViewChanged)="viewChanged($event)"
+                (onDateSelection)="childClicked($event)">
+        </igx-days-view>
+    </div>
 </div>
 
 <igx-months-view *ngIf="isYearView" [@animateView]="activeView" #months 

projects/igniteui-angular/src/lib/calendar/calendar.component.spec.ts

@@ -1040,7 +1040,6 @@ describe('IgxCalendar', () => {
 
             selectedDates.forEach(d => {
                 expect(d.selected).toBe(true);
-                expect(d.isSelectedCSS).toBe(true);
             });
 
             const notSelectedDates = calendar.daysView.dates.toArray().filter(d => {
@@ -1051,7 +1050,6 @@ describe('IgxCalendar', () => {
 
             notSelectedDates.forEach(d => {
                 expect(d.selected).toBe(false);
-                expect(d.isSelectedCSS).toBe(false);
             });
         });
     });
@@ -1070,7 +1068,6 @@ describe('IgxCalendar', () => {
 
         specialDates.forEach(d => {
             expect(d.isSpecial).toBe(true);
-            expect(d.isSpecialCSS).toBe(true);
         });
 
         let disabledDates = calendar.daysView.dates.toArray().filter(d => {
@@ -1098,7 +1095,6 @@ describe('IgxCalendar', () => {
 
         specialDates.forEach(d => {
             expect(d.isSpecial).toBe(true);
-            expect(d.isSpecialCSS).toBe(true);
         });
 
         disabledDates = calendar.daysView.dates.toArray().filter(d => {
@@ -1804,6 +1800,8 @@ describe('IgxCalendar', () => {
             fixture.detectChanges();
 
             UIInteractions.simulateKeyDownEvent(document.activeElement, 'ArrowLeft');
+            fixture.detectChanges();
+            await wait(400);
             UIInteractions.simulateKeyDownEvent(document.activeElement, 'ArrowLeft');
             UIInteractions.simulateKeyDownEvent(document.activeElement, 'ArrowLeft');
             UIInteractions.simulateKeyDownEvent(document.activeElement, 'ArrowLeft');
@@ -1818,6 +1816,8 @@ describe('IgxCalendar', () => {
             fixture.detectChanges();
 
             UIInteractions.simulateKeyDownEvent(document.activeElement, 'ArrowLeft');
+            fixture.detectChanges();
+            await wait(400);
             UIInteractions.simulateKeyDownEvent(document.activeElement, 'ArrowLeft');
             fixture.detectChanges();
             await wait(400);
@@ -1851,6 +1851,8 @@ describe('IgxCalendar', () => {
             fixture.detectChanges();
 
             UIInteractions.simulateKeyDownEvent(document.activeElement, 'ArrowDown');
+            fixture.detectChanges();
+            await wait(400);
             UIInteractions.simulateKeyDownEvent(document.activeElement, 'ArrowDown');
             fixture.detectChanges();
             await wait(400);
@@ -1859,6 +1861,8 @@ describe('IgxCalendar', () => {
             expect(date.nativeElement).toBe(document.activeElement);
 
             UIInteractions.simulateKeyDownEvent(document.activeElement, 'ArrowDown');
+            fixture.detectChanges();
+            await wait(400);
             UIInteractions.simulateKeyDownEvent(document.activeElement, 'ArrowDown');
             fixture.detectChanges();
             await wait(400);
@@ -1892,6 +1896,8 @@ describe('IgxCalendar', () => {
             fixture.detectChanges();
 
             UIInteractions.simulateKeyDownEvent(document.activeElement, 'ArrowDown');
+            fixture.detectChanges();
+            await wait(400);
             UIInteractions.simulateKeyDownEvent(document.activeElement, 'ArrowRight');
             UIInteractions.simulateKeyDownEvent(document.activeElement, 'ArrowRight');
             fixture.detectChanges();
@@ -2060,7 +2066,6 @@ class DateTester {
     static testDatesSpeciality(dates: IgxDayItemComponent[], special: boolean): void {
         for (const date of dates) {
             expect(date.isSpecial).toBe(special);
-            expect(date.isSpecialCSS).toBe(special);
         }
     }
 }