##// END OF EJS Templates
corrected tear down logic handling in observables. Added support for observable query results
corrected tear down logic handling in observables. Added support for observable query results

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r109:4a375b9c654a default
r110:1a190b3a757d v1.4.0 default
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WidgetRendition.ts
130 lines | 4.8 KiB | video/mp2t | TypeScriptLexer
/ djx / src / main / ts / tsx / WidgetRendition.ts
cin
Converted to subproject djx, removed dojo-typings
r65 import { argumentNotNull } from "@implab/core-amd/safe";
cin
Added playground project
r97 import { RenditionBase } from "./RenditionBase";
cin
refactoring, adding scope to rendering methods
r96 import { DojoNodePosition, isElementNode, isInPage, isWidget, placeAt } from "./traits";
cin
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r65 import registry = require("dijit/registry");
import ContentPane = require("dijit/layout/ContentPane");
cin
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r102 import { getItemDom, refHook } from "./render";
cin
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r65
// tslint:disable-next-line: class-name
export interface _Widget {
domNode: Node;
containerNode?: Node;
placeAt?(refNode: string | Node, position?: DojoNodePosition): void;
startup?(): void;
cin
Testing nested watch, release candidate
r101 addChild?(widget: unknown, index?: number): void;
cin
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r65 }
cin
linting
r109 export type _WidgetCtor = new (attrs: object, srcNode?: string | Node) => _Widget;
cin
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r65
export class WidgetRendition extends RenditionBase<Node> {
readonly widgetClass: _WidgetCtor;
_instance: _Widget | undefined;
constructor(widgetClass: _WidgetCtor) {
super();
argumentNotNull(widgetClass, "widgetClass");
this.widgetClass = widgetClass;
}
cin
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r102 _addChild(child: unknown): void {
cin
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r65 const instance = this._getInstance();
if (instance.addChild) {
if (child instanceof WidgetRendition) {
// layout containers add custom logic to addChild methods
cin
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r102 instance.addChild(child.getWidgetInstance());
cin
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r65 } else if (isWidget(child)) {
instance.addChild(child);
} else {
cin
Testing nested watch, release candidate
r101 const childDom = getItemDom(child);
cin
Corrected _addChild behavior for WidgetRendition when the content is FunctionRendition which returns a widget instance
r91 const w = isElementNode(childDom) ? registry.byNode(childDom) : undefined;
cin
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r65
cin
Corrected _addChild behavior for WidgetRendition when the content is FunctionRendition which returns a widget instance
r91 if (w) {
instance.addChild(w);
} else {
if (!instance.containerNode)
throw new Error("Failed to add DOM content. The widget doesn't have a containerNode");
// the current widget isn't started, it's children shouldn't start too
cin
Testing nested watch, release candidate
r101 placeAt(getItemDom(child), instance.containerNode, "last");
cin
Corrected _addChild behavior for WidgetRendition when the content is FunctionRendition which returns a widget instance
r91 }
cin
Converted to subproject djx, removed dojo-typings
r65 }
} else {
if (!instance.containerNode)
throw new Error("The widget doesn't have neither addChild nor containerNode");
// the current widget isn't started, it's children shouldn't start too
cin
Testing nested watch, release candidate
r101 placeAt(getItemDom(child), instance.containerNode, "last");
cin
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r65 }
}
cin
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r102 protected _create({ref, ...attrs}: {ref?: JSX.Ref<_Widget>}, children: unknown[]) {
cin
Converted to subproject djx, removed dojo-typings
r65 if (this.widgetClass.prototype instanceof ContentPane) {
// a special case for the ContentPane this is for
cin
Testing nested watch, release candidate
r101 // compatibility with that heavy widget, all
cin
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r65 // regular containers could be easily manipulated
// through `containerNode` property or `addChild` method.
// render children to the DocumentFragment
const content = document.createDocumentFragment();
cin
Testing nested watch, release candidate
r101 children.forEach(child => content.appendChild(getItemDom(child)));
cin
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r65
// set the content property to the parameters of the widget
const _attrs = { ...attrs, content };
this._instance = new this.widgetClass(_attrs);
} else {
this._instance = new this.widgetClass(attrs);
cin
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r102 children.forEach(x => this._addChild(x));
cin
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r65 }
cin
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r102 if (ref)
refHook(this._instance, ref);
cin
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r65 }
private _getInstance() {
if (!this._instance)
throw new Error("The instance of the widget isn't created");
return this._instance;
}
protected _getDomNode() {
if (!this._instance)
throw new Error("The instance of the widget isn't created");
return this._instance.domNode;
}
/** Overrides default placeAt implementation. Calls placeAt of the
* widget and then starts it.
*
* @param refNode A node or id of the node where the widget should be placed.
* @param position A position relative to refNode.
*/
placeAt(refNode: string | Node, position?: DojoNodePosition) {
cin
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r102 this.ensureCreated();
cin
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r65 const instance = this._getInstance();
if (typeof instance.placeAt === "function") {
instance.placeAt(refNode, position);
// fix the dojo startup behavior when the widget is placed
// directly to the document and doesn't have any enclosing widgets
const parentWidget = instance.domNode.parentNode ?
cin
fixed tslint errors, added support for private methods to @on() decorator
r79 registry.getEnclosingWidget(instance.domNode.parentNode) : null;
cin
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r65 if (!parentWidget && isInPage(instance.domNode) && typeof instance.startup === "function")
instance.startup();
} else {
// the widget doesn't have a placeAt method, strange but whatever
super.placeAt(refNode, position);
}
}
cin
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r102 getWidgetInstance() {
this.ensureCreated();
cin
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r65 return this._getInstance();
}
}