dragonbones-runtime
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the tools to build dragonbones file for diffrent framework
187 lines (175 loc) • 6.41 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 SetProperty class specifies a property value that is in effect only
* during the parent view state.
* You use this class in the <code>overrides</code> property of the State class.
*
* @version Egret 2.4
* @version eui 1.0
* @platform Web,Native
* @language en_US
*/
/**
* SetProperty 类指定只在父视图状态期间有效的属性值。可以在 State 类的 overrides 属性中使用该类。
*
* @version Egret 2.4
* @version eui 1.0
* @platform Web,Native
* @language zh_CN
*/
export class SetStateProperty implements IOverride {
/**
* Constructor.
*
* @param target The object whose property is being set.
* By default, EUI uses the immediate parent of the State object.
* @param name The property to set.
* @param value The value of the property in the view state.
*
* @version Egret 2.4
* @version eui 1.0
* @platform Web,Native
* @language en_US
*/
/**
* 创建一个SetProperty实例。
*
* @param target 要设置其属性的对象。默认情况下，EUI 使用 State 对象的直接父级。
* @param name 要设置的属性。
* @param value 视图状态中的属性值。
*
* @version Egret 2.4
* @version eui 1.0
* @platform Web,Native
* @language zh_CN
*/
public constructor(host:any, templates:any[], chainIndex:number[], target:any, prop:string) {
this.host = host;
this.templates = templates;
this.chainIndex = chainIndex;
this.target = target;
this.prop = prop;
}
/**
* 皮肤对象
* @private
*/
private host:any;
/**
* @private
* 绑定的模板列表
*/
public templates:any[];
/**
* @private
* chainIndex是一个索引列表，每个索引指向templates中的一个值，该值是代表属性链。
*/
public chainIndex:number[];
/**
* 要绑定的对象
* @private
*/
private target:any;
/**
* 要绑定对象的属性
* @private
*/
private prop:string;
/**
* 上一次的数据
* @private
*/
private oldValue:any;
/**
* @inheritDoc
*
* @version Egret 3.0
* @version eui 1.0
* @platform Web,Native
*/
public apply(host:Skin, parent:egret.DisplayObjectContainer):void {
if (!this.target) {
return;
}
let nextOldValue = this.target[this.prop];
if (this.oldValue) {
this.setPropertyValue(this.target, this.prop, this.oldValue, this.oldValue);
}
if (nextOldValue) {
this.oldValue = nextOldValue;
}
eui.Binding.$bindProperties(this.host, this.templates.concat(), this.chainIndex.concat(), this.target, this.prop);
}
/**
* @inheritDoc
*
* @version Egret 3.0
* @version eui 1.0
* @platform Web,Native
*/
public remove(host:Skin, parent:egret.DisplayObjectContainer):void {
if (!this.target) {
return;
}
let oldValue = this.oldValue;
if (this.target[this.prop]) {
this.oldValue = this.target[this.prop];
}
if (oldValue) {
this.setPropertyValue(this.target, this.prop, oldValue, oldValue);
}
}
/**
* @private
* 设置属性值
*/
private setPropertyValue(obj:any, name:string, value:any,
valueForType:any):void {
if (value === undefined || value === null)
obj[name] = value;
else if (typeof (valueForType) == "number")
obj[name] = +value;
else if (typeof (valueForType) == "boolean")
obj[name] = this.toBoolean(value);
else
obj[name] = value;
}
/**
* @private
* 转成Boolean值
*/
private toBoolean(value:any):boolean {
if (typeof (value) == "string")
return value.toLowerCase() == "true";
return value != false;
}
}
}