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WeakEvents with map

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This commit is contained in:
vakrilov
2015-05-15 16:55:02 +03:00
parent 54f6c350de
commit 57171c768e
8 changed files with 251 additions and 302 deletions
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13
ui/button/button-common.ts
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@@ -4,7 +4,7 @@ import definition = require("ui/button");
import proxy = require("ui/core/proxy");
import formattedString = require("text/formatted-string");
import observable = require("data/observable");
import weakEventListener = require("ui/core/weak-event-listener");
import weakEvents = require("ui/core/weak-event-listener");
var textProperty = new dependencyObservable.Property(
"text",
@@ -37,8 +37,6 @@ export class Button extends view.View implements definition.Button {
public static textProperty = textProperty;
public static formattedTextProperty = formattedTextProperty;
private _formattedTextWeakListenerId: number;
public _onBindingContextChanged(oldValue: any, newValue: any) {
super._onBindingContextChanged(oldValue, newValue);
if (this.formattedText) {
@@ -61,16 +59,11 @@ export class Button extends view.View implements definition.Button {
set formattedText(value: formattedString.FormattedString) {
if (this.formattedText !== value) {
if (this.formattedText) {
weakEventListener.WeakEventListener.removeWeakEventListener(this._formattedTextWeakListenerId);
weakEvents.removeWeakEventListener(this.formattedText, observable.Observable.propertyChangeEvent, this.onFormattedTextChanged, this);
}
this._setValue(Button.formattedTextProperty, value);
if (value) {
this._formattedTextWeakListenerId = weakEventListener.WeakEventListener.addWeakEventListener({
target: this,
source: value,
eventName: observable.Observable.propertyChangeEvent,
handler: this.onFormattedTextChanged
});
weakEvents.addWeakEventListener(value, observable.Observable.propertyChangeEvent, this.onFormattedTextChanged, this);
}
}
}