<!-- Copyright (c) 2006-2013, JGraph Ltd Stencils example for mxGraph. This example demonstrates using an XML file to define new stencils to be used as shapes. See docs/stencils.xsd for the XML schema file. --> <html> <head> <title>Stencils example for mxGraph</title> <!-- Sets the basepath for the library if not in same directory --> <script type="text/javascript"> mxBasePath = '../src'; </script> <!-- Loads and initializes the library --> <script type="text/javascript" src="../src/js/mxClient.js"></script> <!-- Example code --> <script type="text/javascript"> // Program starts here. Creates a sample graph in the // DOM node with the specified ID. This function is invoked // from the onLoad event handler of the document (see below). function main(container) { // Checks if the browser is supported if (!mxClient.isBrowserSupported()) { // Displays an error message if the browser is not supported. mxUtils.error('Browser is not supported!', 200, false); } else { // Sets the global shadow color mxConstants.SHADOWCOLOR = '#C0C0C0'; mxConstants.SHADOW_OPACITY = 0.5; mxConstants.SHADOW_OFFSET_X = 4; mxConstants.SHADOW_OFFSET_Y = 4; mxConstants.HANDLE_FILLCOLOR = '#99ccff'; mxConstants.HANDLE_STROKECOLOR = '#0088cf'; mxConstants.VERTEX_SELECTION_COLOR = '#00a8ff'; // Enables connections along the outline mxConnectionHandler.prototype.outlineConnect = true; mxEdgeHandler.prototype.manageLabelHandle = true; mxEdgeHandler.prototype.outlineConnect = true; mxCellHighlight.prototype.keepOnTop = true; // Enable rotation handle mxVertexHandler.prototype.rotationEnabled = true; // Uses the shape for resize previews 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 mxShape(stencil); shape.apply(this.state); } else { shape = new this.state.shape.constructor(); } shape.outline = true; shape.bounds = bounds; shape.stroke = mxConstants.HANDLE_STROKECOLOR; shape.strokewidth = this.getSelectionStrokeWidth(); shape.isDashed = this.isSelectionDashed(); shape.isShadow = false; return shape; }; // Defines a custom stencil via the canvas API as defined here: // http://jgraph.github.io/mxgraph/docs/js-api/files/util/mxXmlCanvas2D-js.html function CustomShape() { mxShape.call(this); }; mxUtils.extend(CustomShape, mxShape); CustomShape.prototype.paintBackground = function(c, x, y, w, h) { c.translate(x, y); // Head c.ellipse(w / 4, 0, w / 2, h / 4); c.fillAndStroke(); c.begin(); c.moveTo(w / 2, h / 4); c.lineTo(w / 2, 2 * h / 3); // Arms c.moveTo(w / 2, h / 3); c.lineTo(0, h / 3); c.moveTo(w / 2, h / 3); c.lineTo(w, h / 3); // Legs c.moveTo(w / 2, 2 * h / 3); c.lineTo(0, h); c.moveTo(w / 2, 2 * h / 3); c.lineTo(w, h); c.end(); c.stroke(); }; // Replaces existing actor shape mxCellRenderer.registerShape('customShape', CustomShape); // Loads the stencils into the registry 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; } mxEvent.disableContextMenu(container); // Creates the graph inside the given container var graph = new mxGraph(container); graph.setConnectable(true); graph.setTooltips(true); graph.setPanning(true); graph.getTooltipForCell = function(cell) { if (cell != null) { return cell.style; } return null; }; // Changes default styles 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'; // Enables rubberband selection new mxRubberband(graph); // Gets the default parent for inserting new cells. This // is normally the first child of the root (ie. layer 0). var parent = graph.getDefaultParent(); // Adds cells to the model in a single step 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=customShape;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 { // Updates the display graph.getModel().endUpdate(); } document.body.appendChild(mxUtils.button('FlipH', function() { graph.toggleCellStyles(mxConstants.STYLE_FLIPH); })); document.body.appendChild(mxUtils.button('FlipV', function() { graph.toggleCellStyles(mxConstants.STYLE_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('Rotate', function() { var cell = graph.getSelectionCell(); if (cell != null) { var geo = graph.getCellGeometry(cell); if (geo != null) { graph.getModel().beginUpdate(); try { // Rotates the size and position in the geometry 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); // Reads the current direction and advances by 90 degrees 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('And', function() { graph.setCellStyles(mxConstants.STYLE_SHAPE, 'and'); })); document.body.appendChild(mxUtils.button('Or', function() { graph.setCellStyles(mxConstants.STYLE_SHAPE, 'or'); })); document.body.appendChild(mxUtils.button('Xor', function() { graph.setCellStyles(mxConstants.STYLE_SHAPE, 'xor'); })); 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('Style', function() { var cell = graph.getSelectionCell(); if (cell != null) { var style = mxUtils.prompt('Style', graph.getModel().getStyle(cell)); if (style != null) { graph.getModel().setStyle(cell, style); } } })); document.body.appendChild(mxUtils.button('+', function() { graph.zoomIn(); })); document.body.appendChild(mxUtils.button('-', function() { graph.zoomOut(); })); } }; </script> </head> <!-- Page passes the container for the graph to the program --> <body onload="main(document.getElementById('graphContainer'))"> <!-- Creates a container for the graph with a grid wallpaper --> <div id="graphContainer" style="position:relative;overflow:hidden;width:601px;height:401px;background:url('editors/images/grid.gif');cursor:default;"> </div> </body> </html>