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Merge branch 'master' of github.com:NativeScript/NativeScript

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This commit is contained in:
Martin Guillon
2020-09-24 09:32:36 +02:00
parent 29c10d5a5f 021c0bb9a2
commit da3b170924
5 changed files with 32 additions and 3 deletions
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20
packages/core/ui/text-base/text-base-common.ts
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@ -26,6 +26,26 @@ export abstract class TextBaseCommon extends View implements TextBaseDefinition
public text: string;
public formattedText: FormattedString;
/***
* In the NativeScript Core; by default the nativeTextViewProtected points to the same value as nativeViewProtected.
* At this point no internal NS components need this indirection functionality.
* This indirection is used to allow support usage by third party components so they don't have to duplicate functionality.
*
* A third party component can just override the `nativeTextViewProtected` getter and return a different internal view and that view would be
* what all TextView/TextInput class features would be applied to.
*
* A example is the Android MaterialDesign TextInput class, it has a wrapper view of a TextInputLayout
* https://developer.android.com/reference/com/google/android/material/textfield/TextInputLayout
* which wraps the actual TextInput. This wrapper layout (TextInputLayout) must be assigned to the nativeViewProtected as the entire
* NS Core uses nativeViewProtected for everything related to layout, so that it can be measured, added to the parent view as a child, ect.
*
* However, its internal view would be the actual TextView/TextInput and to allow that sub-view to have the normal TextView/TextInput
* class features, which we expose and to allow them to work on it, the internal TextView/TextInput is what the needs to have the class values applied to it.
*
* So all code that works on what is expected to be a TextView/TextInput should use `nativeTextViewProtected` so that any third party
* components that need to have two separate components can work properly without them having to duplicate all the TextBase (and decendants) functionality
* by just overriding the nativeTextViewProtected getter.
**/
get nativeTextViewProtected() {
return this.nativeViewProtected;
}