Splitter

<!DOCTYPE html>

<html>

<head>

<title>PDemo</title>

</head>

<body>

<div id="test">

<div id="container" style="position:absolute; top:0px;height:535px;width:805px;left:0px; background-color:red;">

<div id="leftPanel" style="position:absolute;top:0px;width:400px;height:535px;left:0px;overflow:hidden;background-color:gray;"></div>

<div id="splitterBar" onmousedown="fnMouseDown(event,200,600,400,400);" style="padding:0px;border:0px;height:100%; left:400px;top:0;width:5px;background-color:black;cursor:w-resize;position:absolute;border-style:solid;"

></div>

<div id="rightPanel" style="position:absolute; left:405px;top:0;height:535px;width:400px;min-width:200px;max-width:600px;overflow:hidden; background-color:green;"></div>

</div>

</div>

</body>

<script type="text/javascript">

function fnMouseDown(ev,minLeftWidth,maxLeftWidth,oriLeftWidth, oriRightWidth){

var splitterBar = document.getElementById('splitterBar');

var leftPanel = document.getElementById('leftPanel');

var rightPanel = document.getElementById('rightPanel');

var container = document.getElementById('container');

var minLeftWidths = minLeftWidth;

var maxLeftWidths = maxLeftWidth;

var origianlLeftWidth = oriLeftWidth;

var originalRightWidth = oriRightWidth;

var left = splitterBar.offsetLeft;

var oWidth = leftPanel.offsetWidth;

var rightLeft = rightPanel.offsetLeft;

var containerWidth = parseInt(container.style.width);

var leftPanelWidth = parseInt(leftPanel.style.width);

var rightPanelWidth = parseInt(rightPanel.style.width);

var splitterBarWidth = parseInt(splitterBar.style.width);

var oEvent = ev || event;

var disX = oEvent.clientX - left;

var disForRightPanel = rightLeft - oEvent.clientX;

document.onmousemove = function (ev){

var oEvent = ev || event

var currentleftWidth = oEvent.clientX - disX;

if(currentleftWidth > maxLeftWidths || leftPanelWidth > maxLeftWidths){

leftPanel.style.width = origianlLeftWidth + 200 + "px";

splitterBar.style.left = origianlLeftWidth + 200 + "px";

rightPanel.style.width = rightPanelWidth - 200 + "px";

} else if(currentleftWidth < minLeftWidths || leftPanelWidth < minLeftWidths) {

leftPanel.style.width = origianlLeftWidth - 200 + "px";

splitterBar.style.left = origianlLeftWidth - 200 + "px";

rightPanel.style.width = originalRightWidth + 200 + "px";

} else {

splitterBar.style.left = oEvent.clientX - disX + 'px';

console.log("splitterBar.style.left is : " + splitterBar.style.left);

leftPanel.style.width = oEvent.clientX - disX + 'px';

//console.log("leftPanel.style.width： " + oEvent.clientX - disX +'sfsdfsdfsd');

rightPanel.style.left = oEvent.clientX - disX + splitterBarWidth + 'px';

/*rightPanel.style.width = (containerWidth - parseInt(rightPanel.style.left)) +    'px';*/

rightPanel.style.width = (containerWidth - (oEvent.clientX - disX) - splitterBarWidth) +'px';

console.log("rightPanel width" + (containerWidth - (oEvent.clientX - disX) - splitterBarWidth));

}

document.onmouseup = function (){

document.onmousemove= null;

document.onmouseup = null;

};

return false;

}; 

}

</script>

</html>

<!DOCTYPE html>

<html>

<head>

<title>PDemo</title>

</head>

<body>

<div id="test">

<div id="container" style="position:absolute; top:0px;height:535px;width:805px;left:0px; background-color:red;">

<div id="leftPanel" style="position:absolute;top:0px;width:400px;height:535px;left:0px;overflow:hidden;background-color:gray;"></div>

<div id="splitterBar" onmousedown="fnMouseDown(event,200,600,400,400);" style="padding:0px;border:0px;height:100%; left:400px;top:0;width:5px;background-color:black;cursor:w-resize;position:absolute;border-style:solid;"

></div>

<div id="rightPanel" style="position:absolute; left:405px;top:0;height:535px;width:400px;min-width:200px;max-width:600px;overflow:hidden; background-color:green;"></div>

</div>

</div>

</body>

<script type="text/javascript">

function fnMouseDown(ev,minLeftWidth,maxLeftWidth,oriLeftWidth, oriRightWidth){

var splitterBar = document.getElementById('splitterBar');

var leftPanel = document.getElementById('leftPanel');

var rightPanel = document.getElementById('rightPanel');

var container = document.getElementById('container');

var minLeftWidths = minLeftWidth;

var maxLeftWidths = maxLeftWidth;

var origianlLeftWidth = oriLeftWidth;

var originalRightWidth = oriRightWidth;

var left = splitterBar.offsetLeft;

var oWidth = leftPanel.offsetWidth;

var rightLeft = rightPanel.offsetLeft;

var containerWidth = parseInt(container.style.width);

var leftPanelWidth = parseInt(leftPanel.style.width);

var rightPanelWidth = parseInt(rightPanel.style.width);

var splitterBarWidth = parseInt(splitterBar.style.width);

var oEvent = ev || event;

var disX = oEvent.clientX - left;

var disForRightPanel = rightLeft - oEvent.clientX;

document.onmousemove = function (ev){

var oEvent = ev || event

var currentleftWidth = oEvent.clientX - disX;

if(currentleftWidth > maxLeftWidths || leftPanelWidth > maxLeftWidths){

leftPanel.style.width = origianlLeftWidth + 200 + "px";

splitterBar.style.left = origianlLeftWidth + 200 + "px";

rightPanel.style.width = rightPanelWidth - 200 + "px";

} else if(currentleftWidth < minLeftWidths || leftPanelWidth < minLeftWidths) {

leftPanel.style.width = origianlLeftWidth - 200 + "px";

splitterBar.style.left = origianlLeftWidth - 200 + "px";

rightPanel.style.width = originalRightWidth + 200 + "px";

} else {

splitterBar.style.left = oEvent.clientX - disX + 'px';

console.log("splitterBar.style.left is : " + splitterBar.style.left);

leftPanel.style.width = oEvent.clientX - disX + 'px';

//console.log("leftPanel.style.width： " + oEvent.clientX - disX +'sfsdfsdfsd');

rightPanel.style.left = oEvent.clientX - disX + splitterBarWidth + 'px';

/*rightPanel.style.width = (containerWidth - parseInt(rightPanel.style.left)) +    'px';*/

rightPanel.style.width = (containerWidth - (oEvent.clientX - disX) - splitterBarWidth) +'px';

console.log("rightPanel width" + (containerWidth - (oEvent.clientX - disX) - splitterBarWidth));

}

document.onmouseup = function (){

document.onmousemove= null;

document.onmouseup = null;

};

return false;

}; 

}

</script>

</html>

<html>

    <head>

        <title>Splitter Control</title>

    </head>

    <script src="../package/reactjs/react.js"></script>

    <script src="../package/reactjs/JSXTransformer.js"></script>

    <style type="text/css">

        .container {

            width: 605px;

            height: 300px;

            height: 300px;

            margin: 0 auto 0 auto;

            margin-top: 50px;

            border: solid 1mm yellow;

        }

        .left-panel {

            width: 300px;

            height: 300px;

            float: left;

            background: grey;

        }

        .right-panel {

            width: 300px;

            height: 300px;

            float: right;

            background: green;

        }

    </style>

    <body>

        <div id="container" class="container">

            <div id="leftPanel" class="left-panel">Left</div>

            <div id="rightPanel" class="right-panel">Right</div>

        </div>

        <script type="text/jsx">

            var disX = 0;

            var isBegin = false;

            var Splitter = React.createClass({

             getInitialState: function()

             {

                 var left = document.getElementById(this.props.leftPanel);

                 var right = document.getElementById(this.props.rightPanel);

                 left.style.width = "100%";

                 right.style.width = "100%";

                 right.style.height = "100%";

                 return {

                      originalLeftWidth: this.props.originalLeftWidth,

                      originalLeftHeight: this.props.originalLeftHeight,

                      originalSplitterWidth: this.props.originalSplitterWidth,

                      originalSplitterHeight: this.props.originalSplitterHeight,

                      originalRightWidth: this.props.originalRightWidth,

                      originalRightHeight: this.props.originalRightHeight,

                      currentLeftWidth: this.props.originalLeftWidth,

                      currentSplitterLeft: this.props.originalLeftWidth,

                      currentRightWidth: this.props.originalRightWidth,

                      currentRightLeft: this.props.originalLeftWidth + this.props.originalSplitterWidth,

                      leftPanel: left,

                      rightPanel:right,

                      currentSplitterBackgroundColor: 'blue'

                 };

             },

             onMouseMove: function(ev){

                 ev.preventDefault();

                 if(isBegin == true)

                 {

                     var currLeftWidth = ev.clientX - disX;

                     if(currLeftWidth > this.props.maxLeftWidth || this.state.currentLeftWidth > this.props.maxLeftWidth)

                     {

                         var cuRightWidth = this.props.originalRightWidth + this.props.originalLeftWidth - this.props.maxLeftWidth;

                         this.setState({

                              currentLeftWidth:this.props.maxLeftWidth,

                              currentSplitterLeft:this.props.maxLeftWidth,

                              currentRightWidth:cuRightWidth,

                              currentSplitterBackgroundColor: 'black'

                         });

                     } else if(currLeftWidth < this.props.minLeftWidth || this.state.currentLeftWidth < this.props.mixLeftWidth) {

                         var cuRightWidth = this.props.originalRightWidth + this.props.originalLeftWidth - this.props.minLeftWidth;

                         this.setState({

                              currentLeftWidth:this.props.minLeftWidth,

                              currentSplitterLeft:this.props.minLeftWidth,

                              currentRightWidth:cuRightWidth,

                              currentSplitterBackgroundColor: 'black'

                         });

                     } else {

                             var cuRightWidth = this.props.originalLeftWidth + this.props.originalRightWidth - currLeftWidth;

                             this.setState({

                                  currentLeftWidth:currLeftWidth,

                                  currentSplitterLeft:currLeftWidth,

                                  currentRightWidth:cuRightWidth,

                                  currentSplitterBackgroundColor: 'black'

                             });

                     }

                 }

             },

             onMouseUp: function(){

                 isBegin = false;

                 disX = 0;

                 this.setState({

                      currentSplitterBackgroundColor: 'blue'

                 });

                 document.body.removeEventListener("mouseup", this.onMouseUp);

                 document.body.removeEventListener("mousemove", this.onMouseMove);

             },

             onMouseOver: function(){

                 this.setState({

                      currentSplitterBackgroundColor: 'black'

                 });

             },

             onMouseOut: function(){

                 this.setState({

                      currentSplitterBackgroundColor: 'blue'

                 });

             },

             onMouseDown: function(ev){

                 isBegin = true;

                 var splitter = React.findDOMNode(this.refs.splitter);

                 disX = ev.clientX - splitter.offsetLeft;

                 document.body.addEventListener("mouseup", this.onMouseUp);

                 document.body.addEventListener("mousemove", this.onMouseMove);

             },

             componentDidMount: function()

             {

                 this.left= this.refs.left.getDOMNode();

                 this.right = this.refs.right.getDOMNode();

                 this.left.appendChild(this.state.leftPanel);

                 this.right.appendChild(this.state.rightPanel);

             },

             render: function()

             {

                 return(

                      <div style={{position:'relative'}}>

                          <div id="message-list" ref="left" style={{ float:'left',

                               width:this.state.currentLeftWidth,

                               height:this.state.originalLeftHeight}}>

                          </div>

                          <div ref="splitter" className='splitter'

                               style={{

                                   left:this.state.currentSplitterLeft,

                                   height:this.state.originalSplitterHeight,

                                   width:this.props.originalSplitterWidth,

                                   backgroundColor: this.state.currentSplitterBackgroundColor,

                                float: 'left'

                               }}

                               onMouseDown={this.onMouseDown}

                               onMouseOver={this.onMouseOver}

                               onMouseOut={this.onMouseOut}>

                          </div>

                          <div ref="right" id="right-panel" style={{float:'left',

                               overflow: this.props.overflow,

                               width:this.state.currentRightWidth,

                               height:this.state.originalRightHeight}}>

                          </div>

                      </div>

                 );

             }

            });

            React.render(

                <Splitter

                    originalLeftWidth={300}

                    originalLeftHeight={300}

                    originalSplitterWidth={5}

                    originalSplitterHeight={300}

                    originalRightWidth={300}

                    originalRightHeight={300}

                    minLeftWidth={200}

                    maxLeftWidth={400}

                    leftPanel={"leftPanel"}

                    rightPanel={"rightPanel"}

                    overflow ={"auto"} />,

                    document.getElementById("container")

            );

        </script>

    </body>

</html>

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