• openscales实现漂亮的冒泡效果


    使用的时候openscales 默认的冒泡效果确实有点简陋,想实现那种看着比较舒服的效果,只能自己定义了。参考现有的openscales实现的方式,它是通过控件的状态实现的,每个状态中使用Path绘制了一个形状,参考了一下网上的资料可以通过Fireworks绘制一个形状然后转换成路径,再导出成Fxg文件,打开文件就可以看到data的数据了。绘制的时候边缘一定不要留有空白,要不然在flex中就不容易控制位置了

    由于将箭头放在了正中间,所以只做了上、下两个方向的

    向上的CloudPopupTop.mxml

        <s:Group x="{-hostComponent.width*0.5}" y="{-hostComponent.height}" 
                 width
    ="{hostComponent.width}" height="{hostComponent.height}"> 
            <s:Path  width="100%" height="100%" x="0" y="0" data="M 333 1 C 336 1 338 2 339 3 C 340 7 341 12 341 15 C 341 15 341 185 341 185 C 340 188 338 191 335 191 C 335 191 181 191 181 191 C 177 196 174 201 171 206 C 168 202 164 196 159 191 C 159 191 5 191 5 191 C 4 190 2 189 1 187 C 1 187 1 5 1 5 C 2 3 5 1 7 1 C 7 1 333 1 333 1 Z ">
                <s:fill>
                    <s:SolidColor color="#FFFFFF" alpha="1"/>
                </s:fill>
                <s:stroke>
                    <s:SolidColorStroke color="#CCCCCC"/>
                </s:stroke>
            </s:Path>    
            <s:Group id="contentGroup" contentBackgroundAlpha="0" width="100%" height="100%" minWidth="0" minHeight="0"
                     x
    ="0" y="5">
            </s:Group>        
        </s:Group>

    向下的CloudPopupBottom.mxml

        <s:Group x="{hostComponent.width*0.5}" y="{hostComponent.height }" 
                 width
    ="{hostComponent.width}" height="{hostComponent.height}"> 
            <s:Path rotationX="-180" rotationY="180" width="100%" height="100%" x="0" y="0" data="M 333 1 C 336 1 338 2 339 3 C 340 7 341 12 341 15 C 341 15 341 185 341 185 C 340 188 338 191 335 191 C 335 191 181 191 181 191 C 177 196 174 201 171 206 C 168 202 164 196 159 191 C 159 191 5 191 5 191 C 4 190 2 189 1 187 C 1 187 1 5 1 5 C 2 3 5 1 7 1 C 7 1 333 1 333 1 Z ">
                <s:fill>
                    <s:SolidColor color="#FFFFFF" alpha="1"/>
                </s:fill>
                <s:stroke>
                    <s:SolidColorStroke color="#CCCCCC"/>
                </s:stroke>
            </s:Path>    
            <s:Group id="contentGroup" contentBackgroundAlpha="0" width="100%" height="100%" minWidth="0" minHeight="0"
                     x
    ="{-hostComponent.width}" y="{-hostComponent.height+23}">
            </s:Group>        
        </s:Group>

    FxPopup文件修改如下

    relativePosition的相对位置改成这样:

                public function set relativePosition(value:String):void {
                    this._relativePosition = value;
                    
                    var sta:String=(_relativePosition==BL || _relativePosition==BR)?"b":"t";
                    setCurrentState(sta,false);
                }
        <s:states>
            <s:State name="t"/>
            <s:State name="b"/> 
        </s:states>
        
        <s:Panel id="panel"
                 width
    ="{WIDTH}"
                 height
    ="{HEIGHT}"
                 backgroundAlpha
    ="0"
                 skinClass.t
    ="org.openscales.fx.popup.skin.CloudPopupTop"
                 skinClass.b
    ="org.openscales.fx.popup.skin.CloudPopupBottom">
            <s:Group id="popupContentGroup"
                     contentBackgroundAlpha
    ="0"
                     width
    ="{WIDTH}"
                     height
    ="{HEIGHT}"
                     clipAndEnableScrolling
    ="true"
                     creationComplete
    ="{_popupRenderer.draw()}"/>
        </s:Panel>

     参考资料:

    http://stackoverflow.com/questions/16019100/how-do-i-create-spath-data-polygon-coords
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  • 原文地址:https://www.cnblogs.com/wanfeng/p/3624898.html
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