js画图开发库--mxgraph--[stencils-形状可变.html
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<!Doctype html>
<html xmlns=http://www.w3.org/1999/xhtml>
<head>
<meta http-equiv=Content-Type content="text/html;charset=utf-8">
<title>形状可变</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">
// 程序在此方法中启动
function main(container)
{
// 检查浏览器支持
if (!mxClient.isBrowserSupported())
{
mxUtils.error('Browser is not supported!', 200, false);
}
else
{
// 去锯齿效果
mxRectangleShape.prototype.crisp = true;
// 设置全局阴影的颜色
mxConstants.SHADOWCOLOR = '#C0C0C0';
mxConstants.SHADOW_OPACITY = 0.5;
mxConstants.SHADOW_OFFSET_X = 4;
mxConstants.SHADOW_OFFSET_Y = 4;
// 使用的形状，大小调整预览
mxVertexHandler.prototype.createSelectionShape = function(bounds)
{
var key = this.state.style[mxConstants.STYLE_SHAPE];
var stencil = mxStencilRegistry.getStencil(key);
var shape = null;
if (stencil != null)
{
shape = new mxStencilShape(stencil);
shape.apply(this.state);
}
else
{
shape = new this.state.shape.constructor();
}
shape.fill = null;
shape.bounds = bounds;
shape.stroke = this.getSelectionColor();
shape.strokewidth = this.getSelectionStrokeWidth();
shape.isDashed = this.isSelectionDashed();
shape.crisp = this.state.shape.crisp;
return shape;
};
// 模版加载导入注册表
var req = mxUtils.load('stencils.xml');
var root = req.getDocumentElement();
var shape = root.firstChild;
while (shape != null)
{
if (shape.nodeType == mxConstants.NODETYPE_ELEMENT)
{
mxStencilRegistry.addStencil(shape.getAttribute('name'), new mxStencil(shape));
}
shape = shape.nextSibling;
}
// 在容器中创建图形
var graph = new mxGraph(container);
graph.setConnectable(true);
// 改变默认样式
var style = graph.getStylesheet().getDefaultEdgeStyle();
style[mxConstants.STYLE_EDGE] = 'orthogonalEdgeStyle';
style = graph.getStylesheet().getDefaultVertexStyle();
style[mxConstants.STYLE_FILLCOLOR] = '#adc5ff';
style[mxConstants.STYLE_GRADIENTCOLOR] = '#7d85df';
style[mxConstants.STYLE_SHADOW] = '1';
// 启用浏览器默认菜单
new mxRubberband(graph);
// 创建默认窗体
var parent = graph.getDefaultParent();
// 开启更新事务
graph.getModel().beginUpdate();
try
{
var v1 = graph.insertVertex(parent, null, 'A1', 20, 20, 40, 80, 'shape=and');
var v2 = graph.insertVertex(parent, null, 'A2', 20, 220, 40, 80, 'shape=and');
var v3 = graph.insertVertex(parent, null, 'X1', 160, 110, 80, 80, 'shape=xor');
var e1 = graph.insertEdge(parent, null, '', v1, v3);
e1.geometry.points = [new mxPoint(90, 60), new mxPoint(90, 130)];
var e2 = graph.insertEdge(parent, null, '', v2, v3);
e2.geometry.points = [new mxPoint(90, 260), new mxPoint(90, 170)];
var v4 = graph.insertVertex(parent, null, 'A3', 520, 20, 40, 80, 'shape=and;flipH=1');
var v5 = graph.insertVertex(parent, null, 'A4', 520, 220, 40, 80, 'shape=and;flipH=1');
var v6 = graph.insertVertex(parent, null, 'X2', 340, 110, 80, 80, 'shape=xor;flipH=1');
var e3 = graph.insertEdge(parent, null, '', v4, v6);
e3.geometry.points = [new mxPoint(490, 60), new mxPoint(130, 130)];
var e4 = graph.insertEdge(parent, null, '', v5, v6);
e4.geometry.points = [new mxPoint(490, 260), new mxPoint(130, 170)];
var v7 = graph.insertVertex(parent, null, 'O1', 250, 260, 80, 60, 'shape=or;direction=south');
var e5 = graph.insertEdge(parent, null, '', v6, v7);
e5.geometry.points = [new mxPoint(310, 150)];
var e6 = graph.insertEdge(parent, null, '', v3, v7);
e6.geometry.points = [new mxPoint(270, 150)];
var e7 = graph.insertEdge(parent, null, '', v7, v5);
e7.geometry.points = [new mxPoint(290, 370)];
}
finally
{
// 结束更新事务
graph.getModel().endUpdate();
}
document.body.appendChild(mxUtils.button('左右变化FlipH', function()
{
graph.toggleCellStyles(mxConstants.STYLE_STENCIL_FLIPH);
}));
document.body.appendChild(mxUtils.button('上下变化FlipV', function()
{
graph.toggleCellStyles(mxConstants.STYLE_STENCIL_FLIPV);
}));
document.body.appendChild(document.createTextNode('\u00a0'));
document.body.appendChild(document.createTextNode('\u00a0'));
document.body.appendChild(document.createTextNode('\u00a0'));
document.body.appendChild(document.createTextNode('\u00a0'));
document.body.appendChild(mxUtils.button('顺时针上下左右变化Rotate', function()
{
var cell = graph.getSelectionCell();
if (cell != null)
{
var geo = graph.getCellGeometry(cell);
if (geo != null)
{
graph.getModel().beginUpdate();
try
{
// 旋转的几何形状的大小和位置
geo = geo.clone();
geo.x += geo.width / 2 - geo.height / 2;
geo.y += geo.height / 2 - geo.width / 2;
var tmp = geo.width;
geo.width = geo.height;
geo.height = tmp;
graph.getModel().setGeometry(cell, geo);
// 读取当前90度的方向和样式
var state = graph.view.getState(cell);
if (state != null)
{
var dir = state.style[mxConstants.STYLE_DIRECTION] || 'east'/*default*/;
if (dir == 'east')
{
dir = 'south';
}
else if (dir == 'south')
{
dir = 'west';
}
else if (dir == 'west')
{
dir = 'north';
}
else if (dir == 'north')
{
dir = 'east';
}
graph.setCellStyles(mxConstants.STYLE_DIRECTION, dir, [cell]);
}
}
finally
{
graph.getModel().endUpdate();
}
}
}
}));
document.body.appendChild(document.createTextNode('\u00a0'));
document.body.appendChild(document.createTextNode('\u00a0'));
document.body.appendChild(document.createTextNode('\u00a0'));
document.body.appendChild(document.createTextNode('\u00a0'));
document.body.appendChild(mxUtils.button('三角And', function()
{
graph.setCellStyles(mxConstants.STYLE_SHAPE, 'and');
}));
document.body.appendChild(mxUtils.button('半圆Or', function()
{
graph.setCellStyles(mxConstants.STYLE_SHAPE, 'or');
}));
document.body.appendChild(mxUtils.button('月圆Xor', function()
{
graph.setCellStyles(mxConstants.STYLE_SHAPE, 'xor');
}));
}
};
</script>
</head>
<!-- 页面载入时启动程序 -->
<body onload="main(document.getElementById('graphContainer'))">
<!-- 创建带网格壁纸和曲线的一个容器 -->
<div id="graphContainer"
style="position:relative;overflow:hidden;width:601px;height:401px;background:url('editors/images/grid.gif');cursor:default;">
</div>
</body>
</html>