78 lines
2.1 KiB
TypeScript
78 lines
2.1 KiB
TypeScript
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/*
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* Copyright [2019] [Doric.Pub]
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { Property, View } from "../ui/view"
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import { Stack } from "../widget/layouts"
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import { layoutConfig } from "../util/layoutconfig"
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export enum SwipeOrientation {
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LEFT, RIGHT, TOP, BOTTOM
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}
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export class GestureContainer extends Stack {
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@Property
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onSingleTap?: () => void
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@Property
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onDoubleTap?: () => void
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@Property
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onLongPress?: () => void
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/**
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* Called when the fingers in pinching on screen
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* @param scale: the numeric value of scale on pinch
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*/
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@Property
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onPinch?: (scale: number) => void
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/**
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* Called when the fingers are scrolling or paning
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* @param dx: the value of the change on the x-axis
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* @param dy: the value of the change on the y-axis
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*/
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@Property
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onPan?: (dx: number, dy: number) => void
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/**
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* Called when the fingers are scrolling or paning
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* @param dAngle: the value of the angle change from last rotate in radian
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*/
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@Property
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onRotate?: (dAngle: number) => void
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/**
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* Called when the fingers has swiped on screen
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* @param orientation: the orientation of this swipe
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*/
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@Property
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onSwipe?: (orientation: SwipeOrientation) => void
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}
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export function gestureContainer(views: View | View[], config?: Partial<GestureContainer>) {
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const ret = new GestureContainer
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ret.layoutConfig = layoutConfig().fit()
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if (views instanceof View) {
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ret.addChild(views)
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} else {
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views.forEach(e => {
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ret.addChild(e)
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})
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}
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if (config) {
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ret.apply(config)
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}
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return ret
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}
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