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Merge pull request #1071 from NativeScript/textview-delegate

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TextView delegate improved
This commit is contained in:
Vladimir Enchev
2015-11-10 14:07:12 +02:00
parent 48ea1dc6d9 6eb073c3b7
commit 34bd878eef
1 changed files with 32 additions and 22 deletions
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46
ui/text-view/text-view.ios.ts
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@ -8,42 +8,52 @@ global.moduleMerge(common, exports);
class UITextViewDelegateImpl extends NSObject implements UITextViewDelegate { class UITextViewDelegateImpl extends NSObject implements UITextViewDelegate {
public static ObjCProtocols = [UITextViewDelegate]; public static ObjCProtocols = [UITextViewDelegate];
static new(): UITextViewDelegateImpl { private _owner: WeakRef<TextView>;
return <UITextViewDelegateImpl>super.new();
}
private _owner: TextView; public static initWithOwner(owner: WeakRef<TextView>): UITextViewDelegateImpl {
let impl = <UITextViewDelegateImpl>UITextViewDelegateImpl.new();
public initWithOwner(owner: TextView): UITextViewDelegateImpl { impl._owner = owner;
this._owner = owner; return impl;
return this;
} }
public textViewShouldBeginEditing(textView: UITextView): boolean { public textViewShouldBeginEditing(textView: UITextView): boolean {
this._owner._hideHint(); let owner = this._owner.get();
if (owner) {
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) {
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) {
if (owner.updateTextTrigger === enums.UpdateTextTrigger.focusLost) {
owner._onPropertyChangedFromNative(textBase.TextBase.textProperty, textView.text);
} }
this._owner.dismissSoftInput(); owner.dismissSoftInput();
this._owner._refreshHintState(this._owner.hint, textView.text); owner._refreshHintState(owner.hint, textView.text);
}
} }
public textViewDidChange(textView: UITextView) { public textViewDidChange(textView: UITextView) {
let owner = this._owner.get();
if (owner) {
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 +69,7 @@ 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() {