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TextView delegate improved

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This commit is contained in:
Vladimir Enchev
2015-11-10 11:01:37 +02:00
parent 3a97c2d8f6
commit e70630f5a3
1 changed files with 35 additions and 20 deletions
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55
ui/text-view/text-view.ios.ts
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@ -6,44 +6,59 @@ import enums = require("ui/enums");
global.moduleMerge(common, exports); global.moduleMerge(common, exports);
class UITextViewDelegateImpl extends NSObject implements UITextViewDelegate { class UITextViewDelegateImpl extends NSObject implements UITextViewDelegate {
public static ObjCProtocols = [UITextViewDelegate]; private _owner: WeakRef<TextView>;
static new(): UITextViewDelegateImpl { public static initWithOwner(owner: WeakRef<TextView>): UITextViewDelegateImpl {
return <UITextViewDelegateImpl>super.new(); let impl = <UITextViewDelegateImpl>UITextViewDelegateImpl.new();
} impl._owner = owner;
return impl;
private _owner: TextView;
public initWithOwner(owner: TextView): UITextViewDelegateImpl {
this._owner = owner;
return this;
} }
public textViewShouldBeginEditing(textView: UITextView): boolean { public textViewShouldBeginEditing(textView: UITextView): boolean {
this._owner._hideHint(); let owner = this._owner.get();
if (!owner) {
return;
}
owner._hideHint();
return true; return true;
} }
public textViewDidBeginEditing(textView: UITextView) { public textViewDidBeginEditing(textView: UITextView) {
this._owner.style._updateTextDecoration(); let owner = this._owner.get();
if (!owner) {
return;
}
owner.style._updateTextDecoration();
} }
public textViewDidEndEditing(textView: UITextView) { public textViewDidEndEditing(textView: UITextView) {
if (this._owner.updateTextTrigger === enums.UpdateTextTrigger.focusLost) { let owner = this._owner.get();
this._owner._onPropertyChangedFromNative(textBase.TextBase.textProperty, textView.text); if (!owner) {
return;
} }
this._owner.dismissSoftInput(); if (owner.updateTextTrigger === enums.UpdateTextTrigger.focusLost) {
this._owner._refreshHintState(this._owner.hint, textView.text); owner._onPropertyChangedFromNative(textBase.TextBase.textProperty, textView.text);
}
owner.dismissSoftInput();
owner._refreshHintState(owner.hint, textView.text);
} }
public textViewDidChange(textView: UITextView) { public textViewDidChange(textView: UITextView) {
let owner = this._owner.get();
if (!owner) {
return;
}
var range = textView.selectedRange; var range = textView.selectedRange;
this._owner.style._updateTextDecoration(); owner.style._updateTextDecoration();
textView.selectedRange = range; textView.selectedRange = range;
if (this._owner.updateTextTrigger === enums.UpdateTextTrigger.textChanged) { if (owner.updateTextTrigger === enums.UpdateTextTrigger.textChanged) {
this._owner._onPropertyChangedFromNative(textBase.TextBase.textProperty, textView.text); owner._onPropertyChangedFromNative(textBase.TextBase.textProperty, textView.text);
} }
} }
} }
@ -59,7 +74,7 @@ export class TextView extends common.TextView {
if (!this._ios.font) { if (!this._ios.font) {
this._ios.font = UIFont.systemFontOfSize(12); this._ios.font = UIFont.systemFontOfSize(12);
} }
this._delegate = UITextViewDelegateImpl.new().initWithOwner(this); this._delegate = UITextViewDelegateImpl.initWithOwner(new WeakRef(this));
} }
public onLoaded() { public onLoaded() {