dragonbones-runtime
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the tools to build dragonbones file for diffrent framework
138 lines (128 loc) • 5.61 kB
text/typescript
//////////////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2014-present, Egret Technology.
// All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of the Egret nor the
// names of its contributors may be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY EGRET AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
// OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
// IN NO EVENT SHALL EGRET AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;LOSS OF USE, DATA,
// OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
// EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
//////////////////////////////////////////////////////////////////////////////////////
namespace eui {
/**
* The VSlider (vertical slider) control lets users select a value
* by moving a slider thumb between the end points of the slider track.
* The current value of the slider is determined by the relative location of the thumb between
* the end points of the slider, corresponding to the slider's minimum and maximum values.
*
* @version Egret 2.4
* @version eui 1.0
* @platform Web,Native
* @includeExample extension/eui/components/VSliderExample.ts
* @language en_US
*/
/**
* 使用 VSlider(垂直滑块)控件,用户可通过在滑块轨道的端点之间移动滑块来选择值。
* 滑块的当前值由滑块端点(对应于滑块的最小值和最大值)之间滑块的相对位置确定。
*
* @version Egret 2.4
* @version eui 1.0
* @platform Web,Native
* @includeExample extension/eui/components/VSliderExample.ts
* @language zh_CN
*/
export class VSlider extends SliderBase {
/**
* Constructor.
*
* @version Egret 2.4
* @version eui 1.0
* @platform Web,Native
* @language en_US
*/
/**
* 构造函数。
*
* @version Egret 2.4
* @version eui 1.0
* @platform Web,Native
* @language zh_CN
*/
public constructor() {
super();
}
/**
* @inheritDoc
*
* @version Egret 2.4
* @version eui 1.0
* @platform Web,Native
*/
protected pointToValue(x:number, y:number):number {
if (!this.thumb || !this.track)
return 0;
let values = this.$Range;
let range = values[sys.RangeKeys.maximum] - values[sys.RangeKeys.minimum];
let thumbRange = this.getThumbRange();
return values[sys.RangeKeys.minimum] + ((thumbRange != 0) ? ((thumbRange - y) / thumbRange) * range : 0);
}
/**
* @private
*
* @returns
*/
private getThumbRange():number {
let bounds = egret.$TempRectangle;
this.track.getLayoutBounds(bounds);
let thumbRange = bounds.height;
this.thumb.getLayoutBounds(bounds);
return thumbRange - bounds.height;
}
/**
* @inheritDoc
*
* @version Egret 2.4
* @version eui 1.0
* @platform Web,Native
*/
public updateSkinDisplayList():void {
if (!this.thumb || !this.track)
return;
let values = this.$Range
let thumbRange = this.getThumbRange();
let range = values[sys.RangeKeys.maximum] - values[sys.RangeKeys.minimum];
let thumbPosTrackY:number = (range > 0) ? thumbRange - (((this.pendingValue - values[sys.RangeKeys.minimum]) / range) * thumbRange) : 0;
let thumbPos = this.track.localToGlobal(0, thumbPosTrackY,egret.$TempPoint);
let thumbPosX = thumbPos.x;
let thumbPosY = thumbPos.y;
let thumbPosParentY = this.thumb.$parent.globalToLocal(thumbPosX, thumbPosY, egret.$TempPoint).y;
let bounds = egret.$TempRectangle;
let thumbHeight = bounds.height;
this.thumb.getLayoutBounds(bounds);
this.thumb.setLayoutBoundsPosition(bounds.x, Math.round(thumbPosParentY));
if (this.trackHighlight) {
let trackHighlightY = this.trackHighlight.$parent.globalToLocal(thumbPosX, thumbPosY, egret.$TempPoint).y;
this.trackHighlight.y = Math.round(trackHighlightY + thumbHeight);
this.trackHighlight.height = Math.round(thumbRange - trackHighlightY);
}
}
}
}