74 lines
1.7 KiB
JavaScript
74 lines
1.7 KiB
JavaScript
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import {Decorator, NgElement, Ancestor} from 'core/core';
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import {DOM} from 'facade/src/dom';
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import {isPresent} from 'facade/src/lang';
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import {ListWrapper} from 'facade/src/collection';
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import {ControlGroup, Control} from './model';
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@Decorator({
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selector: '[control-name]',
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bind: {
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'control-name' : 'controlName'
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}
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})
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export class ControlDecorator {
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_groupDecorator:ControlGroupDecorator;
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_el:NgElement;
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_controlName:String;
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constructor(@Ancestor() groupDecorator:ControlGroupDecorator, el:NgElement) {
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this._groupDecorator = groupDecorator;
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groupDecorator.addControlDecorator(this);
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this._el = el;
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DOM.on(el.domElement, "change", (_) => this._updateControl());
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}
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set controlName(name:string) {
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this._controlName = name;
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this._updateDOM();
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}
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_updateDOM() {
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// remove it once all DOM write go throuh a queue
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if (isPresent(this._controlName)) {
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this._el.domElement.value = this._control().value;
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}
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}
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_updateControl() {
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this._control().value = this._el.domElement.value;
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}
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_control() {
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return this._groupDecorator.findControl(this._controlName);
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}
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}
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@Decorator({
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selector: '[control-group]',
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bind: {
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'control-group' : 'controlGroup'
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}
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})
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export class ControlGroupDecorator {
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_controlGroup:ControlGroup;
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_controlDecorators:List<ControlDecorator>;
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constructor() {
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this._controlDecorators = ListWrapper.create();
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}
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set controlGroup(controlGroup:ControlGroup) {
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this._controlGroup = controlGroup;
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ListWrapper.forEach(this._controlDecorators, (cd) => cd._updateDOM());
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}
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addControlDecorator(c:ControlDecorator) {
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ListWrapper.push(this._controlDecorators, c);
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}
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findControl(name:string):Control {
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return this._controlGroup.controls[name];
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}
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}
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