mirror of
https://github.com/NativeScript/NativeScript.git
synced 2025-11-05 13:26:48 +08:00
85 lines
3.0 KiB
TypeScript
85 lines
3.0 KiB
TypeScript
import {
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LayoutBaseCommon,
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clipToBoundsProperty,
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isPassThroughParentEnabledProperty,
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} from "./layout-base-common";
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import {
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Length,
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paddingLeftProperty,
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paddingTopProperty,
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paddingRightProperty,
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paddingBottomProperty,
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} from "../styling/style-properties";
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export * from "./layout-base-common";
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export class LayoutBase extends LayoutBaseCommon {
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[clipToBoundsProperty.getDefault](): boolean {
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return true;
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}
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[clipToBoundsProperty.setNative](value: boolean) {
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// TODO: Use ClipRectangle if API > 16!
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// We can't implement this without calling setClipChildren(false) on every ancestor up in the visual tree,
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// which will kill performance. It will also lead to unwanted side effects such as other totally unrelated
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// views being affected by setting the parents' setClipChildren to false.
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// The problem in Android is that a ViewGroup either clips ALL of its children or it does not. Unlike iOS, the clipping
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// cannot be controlled on a per view basis. So clipToBounds=false will have to be somehow achieved with stacking different
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// views on top of one another in an AbsoluteLayout or GridLayout. There is always a workaround when playing with layouts.
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//
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// The following article explains this in detail:
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// http://stackoverflow.com/questions/25044085/when-drawing-outside-the-view-clip-bounds-with-android-how-do-i-prevent-underli
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console.warn(
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`clipToBounds with value false is not supported on Android. You can use this.android.getParent().setClipChildren(false) as an alternative`
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);
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}
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[isPassThroughParentEnabledProperty.setNative](value: boolean) {
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(<any>this.nativeViewProtected).setPassThroughParent(value);
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}
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[paddingTopProperty.getDefault](): Length {
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return { value: this._defaultPaddingTop, unit: "px" };
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}
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[paddingTopProperty.setNative](value: Length) {
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org.nativescript.widgets.ViewHelper.setPaddingTop(
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this.nativeViewProtected,
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Length.toDevicePixels(value, 0) +
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Length.toDevicePixels(this.style.borderTopWidth, 0)
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);
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}
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[paddingRightProperty.getDefault](): Length {
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return { value: this._defaultPaddingRight, unit: "px" };
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}
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[paddingRightProperty.setNative](value: Length) {
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org.nativescript.widgets.ViewHelper.setPaddingRight(
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this.nativeViewProtected,
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Length.toDevicePixels(value, 0) +
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Length.toDevicePixels(this.style.borderRightWidth, 0)
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);
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}
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[paddingBottomProperty.getDefault](): Length {
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return { value: this._defaultPaddingBottom, unit: "px" };
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}
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[paddingBottomProperty.setNative](value: Length) {
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org.nativescript.widgets.ViewHelper.setPaddingBottom(
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this.nativeViewProtected,
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Length.toDevicePixels(value, 0) +
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Length.toDevicePixels(this.style.borderBottomWidth, 0)
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);
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}
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[paddingLeftProperty.getDefault](): Length {
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return { value: this._defaultPaddingLeft, unit: "px" };
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}
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[paddingLeftProperty.setNative](value: Length) {
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org.nativescript.widgets.ViewHelper.setPaddingLeft(
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this.nativeViewProtected,
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Length.toDevicePixels(value, 0) +
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Length.toDevicePixels(this.style.borderLeftWidth, 0)
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);
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}
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}
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