mirror of https://github.com/Squidex/squidex.git
13 changed files with 376 additions and 64 deletions
@ -0,0 +1,18 @@ |
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<span> |
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<input type="text" class="form-control" (blur)="blur()" [attr.name]="inputName" (keydown)="keyDown($event)" |
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[formControl]="queryInput" |
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autocomplete="off" |
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autocorrect="off" |
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autocapitalize="off"> |
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|
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<div class="items-container" *ngIf="items.length > 0"> |
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<div class="items" #container> |
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<div *ngFor="let item of items; let i = index;" class="item" [class.active]="i === itemSelection" (mousedown)="chooseItem(item)" (mouseover)="selectIndex(i)" [sqxScrollActive]="i === itemSelection" [container]="container"> |
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<img class="item-image" [attr.src]="item.image" /> |
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<span class="item-title">{{item.title}}</span> |
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<span class="item-description">{{item.description}}</span> |
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</div> |
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</div> |
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</div> |
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</span> |
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@ -0,0 +1,51 @@ |
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@import '_mixins'; |
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@import '_vars'; |
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$color-input-border: rgba(0, 0, 0, .15); |
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.items { |
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&-container { |
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position: relative; |
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} |
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& { |
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@include absolute(2px, auto, auto, 0); |
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@include border-radius(.25em); |
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@include box-shadow; |
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width: 300px; |
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max-height: 200px; |
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border: 1px solid $color-input-border; |
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background: $color-accent-dark; |
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padding: .3rem 0; |
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overflow-y: auto; |
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} |
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} |
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.item { |
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& { |
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padding: .3rem .8rem; |
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background: transparent; |
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cursor: pointer; |
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} |
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&.active { |
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color: $color-accent-dark; |
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background: $color-theme-blue; |
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} |
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&-image { |
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@include circle(40px); |
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float: left; |
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} |
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&-title, |
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&-description { |
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@include truncate; |
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margin-left: 45px; |
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} |
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&-description { |
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font-size: .8rem; |
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font-style: italic; |
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} |
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} |
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@ -0,0 +1,208 @@ |
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/* |
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* Squidex Headless CMS |
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* |
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* @license |
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* Copyright (c) Sebastian Stehle. All rights reserved |
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*/ |
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import * as Ng2 from '@angular/core'; |
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import * as Ng2Forms from '@angular/forms'; |
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import { Observable, Subscription } from 'rxjs'; |
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export interface AutocompleteSource { |
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find(query: string): Observable<AutocompleteItem[]>; |
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} |
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export class AutocompleteItem { |
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constructor( |
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public readonly title: string, |
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public readonly description: string, |
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public readonly image: string, |
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public readonly model: any |
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) { |
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} |
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} |
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const KEY_ENTER = 13; |
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const KEY_UP = 38; |
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const KEY_DOWN = 40; |
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const NOOP = () => { }; |
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@Ng2.Component({ |
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selector: 'sqx-autocomplete', |
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styles, |
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template, |
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providers: [{ |
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provide: Ng2Forms.NG_VALUE_ACCESSOR, |
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useExisting: Ng2.forwardRef(() => { |
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return AutocompleteComponent; |
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}), |
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multi: true |
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}] |
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}) |
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export class AutocompleteComponent implements Ng2Forms.ControlValueAccessor { |
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private subscription: Subscription | null = null; |
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private lastQuery: string | null; |
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private changeCallback: (value: any) => void = NOOP; |
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private touchedCallback: () => void = NOOP; |
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@Ng2.Input() |
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public source: AutocompleteSource; |
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@Ng2.Input() |
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public inputName: string; |
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public items: AutocompleteItem[] = []; |
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public itemSelection = -1; |
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public queryInput = new Ng2Forms.FormControl(); |
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constructor() { |
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this.queryInput.valueChanges.delay(100).subscribe(query => this.loadItems(query)); |
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} |
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public writeValue(value: any) { |
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if (!value) { |
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this.queryInput.setValue(''); |
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} else { |
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let item: AutocompleteItem | null = null; |
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if (value instanceof AutocompleteItem) { |
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item = value; |
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} else { |
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item = this.items.find(i => i.model === value); |
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} |
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if (item) { |
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this.queryInput.setValue(value.title || ''); |
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} |
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} |
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this.reset(); |
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} |
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public registerOnChange(fn: any) { |
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this.changeCallback = fn; |
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} |
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public registerOnTouched(fn: any) { |
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this.touchedCallback = fn; |
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} |
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public setDisabledState(isDisabled: boolean): void { |
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if (isDisabled) { |
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this.reset(); |
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this.queryInput.disable(); |
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} else { |
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this.queryInput.enable(); |
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} |
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} |
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private loadItems(query: string) { |
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const source = this.source; |
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if (this.subscription != null) { |
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this.subscription.unsubscribe(); |
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this.subscription = null; |
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} |
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if (!source) { |
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return; |
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} |
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let isInvalidQuery = this.lastQuery === query || !query || query.trim() === ''; |
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this.lastQuery = query; |
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if (isInvalidQuery) { |
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this.reset(); |
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return; |
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} |
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this.lastQuery = query; |
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this.subscription = source.find(query) |
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.catch(error => { |
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return Observable.of([]); |
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}) |
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.subscribe(result => { |
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this.reset(); |
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this.items = result || []; |
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}); |
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} |
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public keyDown(event: KeyboardEvent) { |
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switch (event.keyCode) { |
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case KEY_UP: |
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this.up(); |
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event.stopPropagation(); |
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event.preventDefault(); |
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break; |
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case KEY_DOWN: |
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this.down(); |
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event.stopPropagation(); |
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event.preventDefault(); |
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break; |
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case KEY_ENTER: |
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if (this.items.length > 0) { |
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this.chooseItem(); |
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event.stopPropagation(); |
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event.preventDefault(); |
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} |
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break; |
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} |
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} |
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private reset() { |
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this.items = []; |
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this.itemSelection = -1; |
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} |
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public blur() { |
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this.reset(); |
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} |
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public up() { |
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this.selectIndex(this.itemSelection - 1); |
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} |
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public down() { |
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this.selectIndex(this.itemSelection + 1); |
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} |
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public chooseItem(selection: AutocompleteItem = null) { |
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if (!selection) { |
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selection = this.items[this.itemSelection]; |
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} |
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if (!selection && this.items.length === 1) { |
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selection = this.items[0]; |
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} |
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if (selection) { |
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try { |
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this.queryInput.setValue(selection.title); |
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this.changeCallback(selection); |
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} finally { |
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this.reset(); |
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} |
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} |
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} |
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public selectIndex(selection: number) { |
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if (selection < 0) { |
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selection = 0; |
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} |
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if (selection >= this.items.length) { |
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selection = this.items.length - 1; |
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} |
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this.itemSelection = selection; |
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} |
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} |
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@ -0,0 +1,54 @@ |
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/* |
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* Squidex Headless CMS |
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* |
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* @license |
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* Copyright (c) Sebastian Stehle. All rights reserved |
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*/ |
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import * as Ng2 from '@angular/core'; |
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@Ng2.Directive({ |
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selector: '[sqxScrollActive]' |
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}) |
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export class ScrollActiveDirective implements Ng2.OnChanges { |
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@Ng2.Input('sqxScrollActive') |
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public isActive = false; |
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@Ng2.Input() |
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public container: HTMLElement; |
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constructor( |
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private readonly element: Ng2.ElementRef |
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) { |
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} |
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public ngOnChanges() { |
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if (this.isActive && this.container) { |
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this.scrollInView(this.container, this.element.nativeElement); |
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} |
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} |
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private scrollInView(parent: HTMLElement, target: HTMLElement) { |
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if (!parent.getBoundingClientRect) { |
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return; |
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} |
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const parentRect = parent.getBoundingClientRect(); |
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const targetRect = target.getBoundingClientRect(); |
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const offset = (targetRect.top + document.body.scrollTop) - (parentRect.top + document.body.scrollTop); |
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const scroll = parent.scrollTop; |
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if (offset < 0) { |
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parent.scrollTop = scroll + offset; |
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} else { |
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const targetHeight = targetRect.height; |
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const parentHeight = parentRect.height; |
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if ((offset + targetHeight) > parentHeight) { |
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parent.scrollTop = scroll + offset - parentHeight + targetHeight; |
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} |
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} |
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} |
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} |
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