js画图开发库--mxgraph--[markers-标记.html]
![js画图开发库--mxgraph--[markers-标记.html]](http://img.e-com-net.com/image/product/8a0df45c16e640a5ae97eebb5b81b9f4.png)
<!Doctype html>
<html xmlns=http://www.w3.org/1999/xhtml>
<head>
<meta http-equiv=Content-Type content="text/html;charset=utf-8">
<title>分层结构</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
mxShape.prototype.crisp = true;
mxEllipse.prototype.crisp = false;
mxDoubleEllipse.prototype.crisp = false;
mxArrow.prototype.crisp = false;
mxConnector.prototype.allowCrispMarkers = true;
// 启用导航线
mxGraphHandler.prototype.guidesEnabled = true;
mxEdgeHandler.prototype.snapToTerminals = true;
// 自定义图标
mxMarker.markers['dash'] = function(node, type, pe, nx, ny, strokewidth, size, scale, isVml)
{
nx = nx * (size + strokewidth);
ny = ny * (size + strokewidth);
if (isVml)
{
node.setAttribute('path', 'm' + Math.floor(pe.x - nx / 2- ny / 2) + ' ' + Math.floor(pe.y - ny / 2 + nx / 2) +
' l ' + Math.floor(pe.x + ny / 2 - 3 * nx / 2) + ' ' + Math.floor(pe.y - 3 * ny / 2 - nx / 2) +
' e');
}
else
{
node.setAttribute('d', 'M ' + (pe.x - nx / 2 - ny / 2) + ' ' + (pe.y - ny / 2 + nx / 2) +
' L ' + (pe.x + ny / 2 - 3 * nx / 2) + ' ' + (pe.y - 3 * ny / 2 - nx / 2) +
' z');
}
//返回标记的偏移量
return new mxPoint(0, 0);
};
// 信息形状
function MessageShape() { };
MessageShape.prototype = new mxCylinder();
MessageShape.prototype.constructor = MessageShape;
MessageShape.prototype.redrawPath = function(path, x, y, w, h, isForeground)
{
if (isForeground)
{
path.moveTo(0, 0);
path.lineTo(w / 2, h / 2);
path.lineTo(w, 0);
path.end();
}
else
{
path.moveTo(0, 0);
path.lineTo(w, 0);
path.lineTo(w, h);
path.lineTo(0, h);
path.close();
}
};
mxCellRenderer.prototype.defaultShapes['message'] = MessageShape;
// 自定义连接线
function LinkShape() { };
LinkShape.prototype = new mxArrow();
LinkShape.prototype.constructor = LinkShape;
LinkShape.prototype.enableFill = false;
LinkShape.prototype.addPipe = true;
LinkShape.prototype.redrawPath = function(path, x, y, w, h)
{
// 所有点都偏移
path.translate.x -= x;
path.translate.y -= y;
// 几何箭头
var width = 10 * this.scale;
// 元素之间的矢量图
var p0 = this.points[0];
var pe = this.points[this.points.length - 1];
var dx = pe.x - p0.x;
var dy = pe.y - p0.y;
var dist = Math.sqrt(dx * dx + dy * dy);
var length = dist;
// 计算长度和宽度
var nx = dx / dist;
var ny = dy / dist;
var basex = length * nx;
var basey = length * ny;
var floorx = width * ny/3;
var floory = -width * nx/3;
// 计算点
var p0x = p0.x - floorx / 2;
var p0y = p0.y - floory / 2;
var p1x = p0x + floorx;
var p1y = p0y + floory;
var p2x = p1x + basex;
var p2y = p1y + basey;
var p3x = p2x + floorx;
var p3y = p2y + floory;
// p4 not necessary
var p5x = p3x - 3 * floorx;
var p5y = p3y - 3 * floory;
// 移动
path.moveTo(p1x, p1y);
path.lineTo(p2x, p2y);
path.moveTo(p5x + floorx, p5y + floory);
path.lineTo(p0x, p0y);
path.end();
};
mxCellRenderer.prototype.defaultShapes['link'] = LinkShape;
// 在容器中创建图形
var graph = new mxGraph(container);
// 设置默认样式
graph.getStylesheet().getDefaultVertexStyle()['fillColor'] = '#FFFFFF';
graph.getStylesheet().getDefaultVertexStyle()['strokeColor'] = '#000000';
graph.getStylesheet().getDefaultVertexStyle()['fontColor'] = '#000000';
graph.getStylesheet().getDefaultVertexStyle()['fontStyle'] = '1';
graph.getStylesheet().getDefaultEdgeStyle()['strokeColor'] = '#000000';
graph.getStylesheet().getDefaultEdgeStyle()['fontColor'] = '#000000';
graph.getStylesheet().getDefaultEdgeStyle()['fontStyle'] = '0';
graph.getStylesheet().getDefaultEdgeStyle()['fontStyle'] = '0';
graph.getStylesheet().getDefaultEdgeStyle()['startSize'] = '8';
graph.getStylesheet().getDefaultEdgeStyle()['endSize'] = '8';
// 创建默认窗体
var parent = graph.getDefaultParent();
graph.getModel().beginUpdate();
try
{
var v1 = graph.insertVertex(parent, null, 'v1', 20, 20, 80, 30);
var v2 = graph.insertVertex(parent, null, 'v2', 440, 20, 80, 30);
var e1 = graph.insertEdge(parent, null, '', v1, v2, 'dashed=1;'+
'startArrow=oval;endArrow=block;sourcePerimeterSpacing=4;startFill=0;endFill=0;');
var e11 = graph.insertVertex(e1, null, 'Label', 0, 0, 20, 14,
'shape=message;labelBackgroundColor=#ffffff;labelPosition=left;align=right;fontStyle=0;');
e11.geometry.offset = new mxPoint(-10, -7);
e11.geometry.relative = true;
e11.connectable = false;
var v3 = graph.insertVertex(parent, null, 'v3', 20, 120, 80, 30);
var v4 = graph.insertVertex(parent, null, 'v4', 440, 120, 80, 30);
var e2 = graph.insertEdge(parent, null, 'Label', v3, v4,
'startArrow=dash;startSize=12;endArrow=block;labelBackgroundColor=#FFFFFF;');
var v5 = graph.insertVertex(parent, null, 'v5', 40, 220, 40, 40, 'shape=ellipse;perimeter=ellipsePerimeter;');
var v6 = graph.insertVertex(parent, null, 'v6', 460, 220, 40, 40, 'shape=doubleEllipse;perimeter=ellipsePerimeter;');
var e3 = graph.insertEdge(parent, null, 'Link', v5, v6,
'shape=link;labelBackgroundColor=#FFFFFF;');
}
finally
{
graph.getModel().endUpdate();
}
}
};
</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="overflow:hidden;position:relative;width:641px;height:381px;border:1px solid gray;cursor:default;">
</div>
</body>
</html>