js画图开发库--mxgraph--[offpage-关闭页面(页面更新).html]
![js画图开发库--mxgraph--[offpage-关闭页面(页面更新).html]](http://img.e-com-net.com/image/product/dd10922800aa401f9adf698b655674ea.png)
<!Doctype html>
<html xmlns=http://www.w3.org/1999/xhtml>
<head>
<meta http-equiv=Content-Type content="text/html;charset=utf-8">
<title>监控台</title>
<!-- 如果本文件的包与src不是在同一个目录,就要将basepath设置到src目录下 -->
<script type="text/javascript">
mxBasePath = '../src';
</script>
<!-- 引入支持库文件 -->
<script type="text/javascript" src="../src/js/mxClient.js"></script>
<!-- 示例代码 -->
<script type="text/javascript">
// 高亮显示完整单元
mxConstants.ACTIVE_REGION = 1;
// 程序在此方法中启动
function main()
{
// 检查浏览器支持
if (!mxClient.isBrowserSupported())
{
mxUtils.error('Browser is not supported!', 200, false);
}
else
{
var container = document.createElement('div');
container.style.position = 'absolute';
container.style.overflow = 'hidden';
container.style.left = '0px';
container.style.top = '0px';
container.style.right = '0px';
container.style.bottom = '0px';
container.style.background = 'url("editors/images/grid.gif")';
// 增加IE忽略的样式
if (mxClient.IS_QUIRKS)
{
document.body.style.overflow = 'hidden';
new mxDivResizer(container);
}
document.body.appendChild(container);
// 在容器中创建图形
var graph = new mxGraph(container);
graph.setEnabled(false);
// 关闭页面连接线的亮点
var highlight = new mxCellTracker(graph, null, function(me)
{
var cell = me.getCell();
if (cell != null &&
cell.value != null &&
typeof(cell.value.create) == 'function')
{
return cell;
}
return null;
});
// 添加点击按钮的处理事件
graph.addListener(mxEvent.CLICK, function(source, evt)
{
var cell = evt.getProperty('cell');
if (cell != null &&
cell.value != null &&
typeof(cell.value.create) == 'function')
{
cell.value.create();
}
});
// 添加点击按钮的处理事件
graph.getCursorForCell = function(cell)
{
if (cell != null &&
cell.value != null &&
typeof(cell.value.create) == 'function')
{
return 'pointer';
}
};
// 获取父元素插入子元素中
var first = null;
var second = null;
first = function()
{
var value = {toString: function() { return 'Next'; }, create: second};
// 开始更新事务
graph.getModel().beginUpdate();
try
{
graph.getModel().setRoot(graph.getModel().createRoot());
var parent = graph.getDefaultParent();
var v1 = graph.insertVertex(parent, null, 'Click', 30, 20, 80, 30, 'fillColor=#FFFF88;strokeColor=#FF1A00');
var v2 = graph.insertVertex(parent, null, 'Next', 20, 150, 100, 30, 'fillColor=#FFFF88;strokeColor=#FF1A00');
var v3 = graph.insertVertex(parent, null, value, 200, 150, 40, 40, 'shape=triangle;align=left;fillColor=#C3D9FF;strokeColor=#4096EE');
var e1 = graph.insertEdge(parent, null, null, v1, v2, 'strokeColor=#FF1A00');
}
finally
{
// 结束更新事务
graph.getModel().endUpdate();
}
};
second = function()
{
var value = {toString: function() { return 'Prev'; }, create: first};
// 开启更新事务
graph.getModel().beginUpdate();
try
{
graph.getModel().setRoot(graph.getModel().createRoot());
var parent = graph.getDefaultParent();
var v1 = graph.insertVertex(parent, null, 'Click', 30, 20, 80, 30, 'fillColor=#CDEB8B;strokeColor=#008C00');
var v2 = graph.insertVertex(parent, null, 'Prev', 220, 20, 100, 30, 'fillColor=#CDEB8B;strokeColor=#008C00');
var v3 = graph.insertVertex(parent, null, value, 30, 150, 40, 40, 'shape=triangle;align=right;fillColor=#C3D9FF;strokeColor=#4096EE;direction=west');
var e1 = graph.insertEdge(parent, null, null, v1, v2, 'strokeColor=#008C00');
}
finally
{
// 结束更新事务
graph.getModel().endUpdate();
}
};
first();
}
};
</script>
</head>
<!-- 页面载入时启动程序 -->
<body onload="main();">
</body>
</html>