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feat(text-view): allow easy subclassing on ios (#8663)

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This commit is contained in:
dosomder
2020-06-24 07:23:49 +02:00
committed by GitHub
parent 4d57ced35f
commit 7d364474c2
1 changed files with 61 additions and 33 deletions
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94
nativescript-core/ui/text-view/text-view.ios.ts
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@ -30,7 +30,7 @@ class UITextViewDelegateImpl extends NSObject implements UITextViewDelegate {
public textViewShouldBeginEditing(textView: UITextView): boolean {
const owner = this._owner.get();
if (owner) {
owner.showText();
return owner.textViewShouldBeginEditing(textView);
}
return true;
@ -39,47 +39,28 @@ class UITextViewDelegateImpl extends NSObject implements UITextViewDelegate {
public textViewDidBeginEditing(textView: UITextView): void {
const owner = this._owner.get();
if (owner) {
owner._isEditing = true;
owner.notify({ eventName: TextView.focusEvent, object: owner });
owner.textViewDidBeginEditing(textView);
}
}
public textViewDidEndEditing(textView: UITextView) {
public textViewDidEndEditing(textView: UITextView): void {
const owner = this._owner.get();
if (owner) {
if (owner.updateTextTrigger === "focusLost") {
textProperty.nativeValueChange(owner, textView.text);
}
owner._isEditing = false;
owner.dismissSoftInput();
owner._refreshHintState(owner.hint, textView.text);
owner.textViewDidEndEditing(textView);
}
}
public textViewDidChange(textView: UITextView) {
public textViewDidChange(textView: UITextView): void {
const owner = this._owner.get();
if (owner) {
if (owner.updateTextTrigger === "textChanged") {
textProperty.nativeValueChange(owner, textView.text);
}
owner.requestLayout();
owner.textViewDidChange(textView);
}
}
public textViewShouldChangeTextInRangeReplacementText(textView: UITextView, range: NSRange, replacementString: string): boolean {
const owner = this._owner.get();
if (owner) {
const delta = replacementString.length - range.length;
if (delta > 0) {
if (textView.text.length + delta > owner.maxLength) {
return false;
}
}
if (owner.formattedText) {
_updateCharactersInRangeReplacementString(owner.formattedText, range.location, range.length, replacementString);
}
return owner.textViewShouldChangeTextInRangeReplacementText(textView, range, replacementString);
}
return true;
@ -88,13 +69,7 @@ class UITextViewDelegateImpl extends NSObject implements UITextViewDelegate {
public scrollViewDidScroll(sv: UIScrollView): void {
const owner = this._owner.get();
if (owner) {
const contentOffset = owner.nativeViewProtected.contentOffset;
owner.notify(<ScrollEventData>{
object: owner,
eventName: "scroll",
scrollX: contentOffset.x,
scrollY: contentOffset.y
});
return owner.scrollViewDidScroll(sv);
}
}
}
@ -153,6 +128,59 @@ export class TextView extends TextViewBaseCommon {
return this.nativeViewProtected;
}
public textViewShouldBeginEditing(textView: UITextView): boolean {
this.showText();
return true;
}
public textViewDidBeginEditing(textView: UITextView): void {
this._isEditing = true;
this.notify({ eventName: TextView.focusEvent, object: this });
}
public textViewDidEndEditing(textView: UITextView): void {
if (this.updateTextTrigger === "focusLost") {
textProperty.nativeValueChange(this, textView.text);
}
this._isEditing = false;
this.dismissSoftInput();
this._refreshHintState(this.hint, textView.text);
}
public textViewDidChange(textView: UITextView): void {
if (this.updateTextTrigger === "textChanged") {
textProperty.nativeValueChange(this, textView.text);
}
this.requestLayout();
}
public textViewShouldChangeTextInRangeReplacementText(textView: UITextView, range: NSRange, replacementString: string): boolean {
const delta = replacementString.length - range.length;
if (delta > 0) {
if (textView.text.length + delta > this.maxLength) {
return false;
}
}
if (this.formattedText) {
_updateCharactersInRangeReplacementString(this.formattedText, range.location, range.length, replacementString);
}
return true;
}
public scrollViewDidScroll(sv: UIScrollView): void {
const contentOffset = this.nativeViewProtected.contentOffset;
this.notify(<ScrollEventData>{
object: this,
eventName: "scroll",
scrollX: contentOffset.x,
scrollY: contentOffset.y
});
}
public _refreshHintState(hint: string, text: string) {
if (this.formattedText) {
return;