2021-03-24 22:54:38 +00:00
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/**
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README
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******
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- Edge-to-edge connections: We store the point where the mouse
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was released in the terminal points of the edge geometry and
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use that point to find the nearest segment on the target edge
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and the connection point between the two edges in
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mxGraphView.updateFixedTerminalPoint.
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- The orthogonal router, which is implemented as an edge style,
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computes its result based on the output of mxGraphView.
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updateFixedTerminalPoint, which computes all connection points
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for edge-to-edge connections and constrained ports and vertices
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and stores them in state.absolutePoints.
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- Routing directions are stored in the 'portConstraint' style.
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Possible values for this style horizontal and vertical. Note
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that this may have other values depending on the edge style.
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- For edge-to-edge connections, a 'source-/targetConstraint'
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style is added in updateFixedTerminalPoint that contains the
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orientation of the segment that the edge connects to. Possible
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values are horizontal, vertical.
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- An alternative solution for connection points via connection
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constraints is demonstrated. In this setup, the edge is connected
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to the parent cell directly. There are no child cells that act
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as "ports". Instead, the connection information is stored as a
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relative point in the connecting edge. (See also: portrefs.html
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for storing references to ports.)
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*/
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import React from 'react';
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import mxEvent from '../mxgraph/util/mxEvent';
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import mxGraph from '../mxgraph/view/mxGraph';
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import mxRubberband from '../mxgraph/handler/mxRubberband';
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class MYNAMEHERE extends React.Component {
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constructor(props) {
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super(props);
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}
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render() {
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// A container for the graph
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return (
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<>
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<h1>Wires</h1>
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<div
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ref={el => {
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this.el = el;
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}}
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style={{
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}}
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/>
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</>
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);
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};
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componentDidMount() {
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};
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}
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export default MYNAMEHERE;
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<head>
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<title></title>
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<!-- Sets the basepath for the library if not in same directory -->
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<script type="text/javascript">
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mxBasePath = '../src';
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</script>
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<!-- Loads and initializes the library -->
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<script type="text/javascript" src="../src/js/mxClient.js"></script>
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<script type="text/javascript">
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// If connect preview is not moved away then getCellAt is used to detect the cell under
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// the mouse if the mouse is over the preview shape in IE (no event transparency), ie.
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// the built-in hit-detection of the HTML document will not be used in this case.
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mxConnectionHandler.prototype.movePreviewAway = false;
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mxConnectionHandler.prototype.waypointsEnabled = true;
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mxGraph.prototype.resetEdgesOnConnect = false;
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mxConstants.SHADOWCOLOR = '#C0C0C0';
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let joinNodeSize = 7;
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let strokeWidth = 2;
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// Replaces the port image
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mxConstraintHandler.prototype.pointImage = new mxImage('images/dot.gif', 10, 10);
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// Enables guides
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mxGraphHandler.prototype.guidesEnabled = true;
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// Alt disables guides
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mxGuide.prototype.isEnabledForEvent = function(evt)
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{
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return !mxEvent.isAltDown(evt);
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};
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// Enables snapping waypoints to terminals
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mxEdgeHandler.prototype.snapToTerminals = true;
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function main(container)
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{
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let graph = new mxGraph(container);
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graph.view.scale = 1;
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graph.setPanning(true);
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graph.setConnectable(true);
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graph.setConnectableEdges(true);
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graph.setDisconnectOnMove(false);
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graph.foldingEnabled = false;
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//Maximum size
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graph.maximumGraphBounds = new mxRectangle(0, 0, 800, 600)
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graph.border = 50;
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// Panning handler consumed right click so this must be
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// disabled if right click should stop connection handler.
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graph.panningHandler.isPopupTrigger = function() { return false; };
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// Enables return key to stop editing (use shift-enter for newlines)
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graph.setEnterStopsCellEditing(true);
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// Adds rubberband selection
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new mxRubberband(graph);
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// Alternative solution for implementing connection points without child cells.
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// This can be extended as shown in portrefs.html example to allow for per-port
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// incoming/outgoing direction.
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graph.getAllConnectionConstraints = function(terminal)
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{
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let geo = (terminal != null) ? terminal.cell.getGeometry() : null;
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if ((geo != null ? !geo.relative : false) &&
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terminal.cell.isVertex() &&
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this.getModel().getChildCount(terminal.cell) == 0)
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{
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return [new mxConnectionConstraint(new mxPoint(0, 0.5), false),
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new mxConnectionConstraint(new mxPoint(1, 0.5), false)];
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}
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return null;
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};
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// Makes sure non-relative cells can only be connected via constraints
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graph.connectionHandler.isConnectableCell = function(cell)
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{
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if (this.graph.getModel().isEdge(cell))
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{
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return true;
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}
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else
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{
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let geo = (cell != null) ? cell.getGeometry() : null;
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return (geo != null) ? geo.relative : false;
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}
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};
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mxEdgeHandler.prototype.isConnectableCell = function(cell)
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{
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return graph.connectionHandler.isConnectableCell(cell);
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};
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// Adds a special tooltip for edges
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graph.setTooltips(true);
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let getTooltipForCell = graph.getTooltipForCell;
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graph.getTooltipForCell = function(cell)
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{
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let tip = '';
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if (cell != null)
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{
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let src = this.getModel().getTerminal(cell, true);
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if (src != null)
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{
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tip += this.getTooltipForCell(src) + ' ';
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}
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let parent = this.getModel().getParent(cell);
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if (parent.isVertex())
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{
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tip += this.getTooltipForCell(parent) + '.';
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}
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tip += getTooltipForCell.apply(this, arguments);
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let trg = this.getModel().getTerminal(cell, false);
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if (trg != null)
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{
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tip += ' ' + this.getTooltipForCell(trg);
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}
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}
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return tip;
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};
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// Switch for black background and bright styles
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let invert = false;
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if (invert)
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{
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container.style.backgroundColor = 'black';
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// White in-place editor text color
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mxCellEditorStartEditing = mxCellEditor.prototype.startEditing;
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mxCellEditor.prototype.startEditing = (cell, trigger) =>
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{
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mxCellEditorStartEditing.apply(this, arguments);
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if (this.textarea != null)
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{
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this.textarea.style.color = '#FFFFFF';
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}
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};
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mxGraphHandler.prototype.previewColor = 'white';
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}
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let labelBackground = (invert) ? '#000000' : '#FFFFFF';
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let fontColor = (invert) ? '#FFFFFF' : '#000000';
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let strokeColor = (invert) ? '#C0C0C0' : '#000000';
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let fillColor = (invert) ? 'none' : '#FFFFFF';
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let style = graph.getStylesheet().getDefaultEdgeStyle();
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delete style.endArrow;
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style.strokeColor = strokeColor;
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style.labelBackgroundColor = labelBackground;
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style.edgeStyle = 'wireEdgeStyle';
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style.fontColor = fontColor;
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style.fontSize = '9';
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style.movable = '0';
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style.strokeWidth = strokeWidth;
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//style.rounded = '1';
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// Sets join node size
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style.startSize = joinNodeSize;
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style.endSize = joinNodeSize;
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style = graph.getStylesheet().getDefaultVertexStyle();
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style.gradientDirection = 'south';
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//style.gradientColor = '#909090';
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style.strokeColor = strokeColor;
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//style.fillColor = '#e0e0e0';
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style.fillColor = 'none';
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style.fontColor = fontColor;
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style.fontStyle = '1';
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style.fontSize = '12';
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style.resizable = '0';
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style.rounded = '1';
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style.strokeWidth = strokeWidth;
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let parent = graph.getDefaultParent();
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graph.getModel().beginUpdate();
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try
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{
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var v1 = graph.insertVertex(parent, null, 'J1', 80, 40, 40, 80,
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'verticalLabelPosition=top;verticalAlign=bottom;shadow=1;fillColor=' + fillColor);
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v1.setConnectable(false);
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var v11 = graph.insertVertex(v1, null, '1', 0, 0, 10, 16,
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'shape=line;align=left;verticalAlign=middle;fontSize=10;routingCenterX=-0.5;'+
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'spacingLeft=12;fontColor=' + fontColor + ';strokeColor=' + strokeColor);
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v11.geometry.relative = true;
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v11.geometry.offset = new mxPoint(-v11.geometry.width, 2);
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var v12 = v11.clone();
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v12.value = '2';
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v12.geometry.offset = new mxPoint(-v11.geometry.width, 22);
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v1.insert(v12);
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var v13 = v11.clone();
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v13.value = '3';
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v13.geometry.offset = new mxPoint(-v11.geometry.width, 42);
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v1.insert(v13);
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var v14 = v11.clone();
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v14.value = '4';
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v14.geometry.offset = new mxPoint(-v11.geometry.width, 62);
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v1.insert(v14);
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var v15 = v11.clone();
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v15.value = '5';
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v15.geometry.x = 1;
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v15.style = 'shape=line;align=right;verticalAlign=middle;fontSize=10;routingCenterX=0.5;'+
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'spacingRight=12;fontColor=' + fontColor + ';strokeColor=' + strokeColor;
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v15.geometry.offset = new mxPoint(0, 2);
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v1.insert(v15);
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var v16 = v15.clone();
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v16.value = '6';
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v16.geometry.offset = new mxPoint(0, 22);
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v1.insert(v16);
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var v17 = v15.clone();
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v17.value = '7';
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v17.geometry.offset = new mxPoint(0, 42);
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v1.insert(v17);
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var v18 = v15.clone();
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v18.value = '8';
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v18.geometry.offset = new mxPoint(0, 62);
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v1.insert(v18);
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var v19 = v15.clone();
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v19.value = 'clk';
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v19.geometry.x = 0.5;
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v19.geometry.y = 1;
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v19.geometry.width = 10;
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v19.geometry.height = 4;
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// NOTE: portConstraint is defined for east direction, so must be inverted here
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v19.style = 'shape=triangle;direction=north;spacingBottom=12;align=center;portConstraint=horizontal;'+
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'fontSize=8;strokeColor=' + strokeColor + ';routingCenterY=0.5;';
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v19.geometry.offset = new mxPoint(-4, -4);
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v1.insert(v19);
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var v2 = graph.insertVertex(parent, null, 'R1', 220, 220, 80, 20,
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'shape=resistor;verticalLabelPosition=top;verticalAlign=bottom;');
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// Uses implementation of connection points via constraints (see above)
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//v2.setConnectable(false);
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/*var v21 = graph.insertVertex(v2, null, 'A', 0, 0.5, 10, 1,
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'shape=none;spacingBottom=11;spacingLeft=1;align=left;fontSize=8;'+
|
|
|
|
|
'fontColor=#4c4c4c;strokeColor=#909090;');
|
|
|
|
|
v21.geometry.relative = true;
|
|
|
|
|
v21.geometry.offset = new mxPoint(0, -1);
|
|
|
|
|
|
|
|
|
|
var v22 = graph.insertVertex(v2, null, 'B', 1, 0.5, 10, 1,
|
|
|
|
|
'spacingBottom=11;spacingLeft=1;align=left;fontSize=8;'+
|
|
|
|
|
'fontColor=#4c4c4c;strokeColor=#909090;');
|
|
|
|
|
v22.geometry.relative = true;
|
|
|
|
|
v22.geometry.offset = new mxPoint(-10, -1);*/
|
|
|
|
|
|
|
|
|
|
var v3 = graph.addCell(graph.getModel().cloneCell(v1));
|
|
|
|
|
v3.value = 'J3';
|
|
|
|
|
v3.geometry.x = 420;
|
|
|
|
|
v3.geometry.y = 340;
|
|
|
|
|
|
|
|
|
|
// Connection constraints implemented in edges, alternatively this
|
|
|
|
|
// can be implemented using references, see: portrefs.html
|
|
|
|
|
var e1 = graph.insertEdge(parent, null, 'e1', v1.getChildAt(7), v2,
|
|
|
|
|
'entryX=0;entryY=0.5;entryPerimeter=0;');
|
|
|
|
|
e1.geometry.points = [new mxPoint(180, 110)];
|
|
|
|
|
|
|
|
|
|
var e2 = graph.insertEdge(parent, null, 'e2', v1.getChildAt(4), v2,
|
|
|
|
|
'entryX=1;entryY=0.5;entryPerimeter=0;');
|
|
|
|
|
e2.geometry.points = [new mxPoint(320, 50), new mxPoint(320, 230)];
|
|
|
|
|
|
|
|
|
|
var e3 = graph.insertEdge(parent, null, 'crossover', e1, e2);
|
|
|
|
|
e3.geometry.setTerminalPoint(new mxPoint(180, 140), true);
|
|
|
|
|
e3.geometry.setTerminalPoint(new mxPoint(320, 140), false);
|
|
|
|
|
|
|
|
|
|
// var e1 = graph.insertEdge(parent, null, 'e1', v1.getChildAt(7), v2.getChildAt(0));
|
|
|
|
|
// e1.geometry.points = [new mxPoint(180, 140)];
|
|
|
|
|
|
|
|
|
|
// var e2 = graph.insertEdge(parent, null, '', v1.getChildAt(4), v2.getChildAt(1));
|
|
|
|
|
// e2.geometry.points = [new mxPoint(320, 80)];
|
|
|
|
|
|
|
|
|
|
// var e3 = graph.insertEdge(parent, null, 'crossover', e1, e2);
|
|
|
|
|
// e3.geometry.setTerminalPoint(new mxPoint(180, 160), true);
|
|
|
|
|
// e3.geometry.setTerminalPoint(new mxPoint(320, 160), false);
|
|
|
|
|
|
|
|
|
|
var e4 = graph.insertEdge(parent, null, 'e4', v2, v3.getChildAt(0),
|
|
|
|
|
'exitX=1;exitY=0.5;entryPerimeter=0;');
|
|
|
|
|
e4.geometry.points = [new mxPoint(380, 230)];
|
|
|
|
|
|
|
|
|
|
var e5 = graph.insertEdge(parent, null, 'e5', v3.getChildAt(5), v1.getChildAt(0));
|
|
|
|
|
e5.geometry.points = [new mxPoint(500, 310), new mxPoint(500, 20), new mxPoint(50, 20)];
|
|
|
|
|
|
|
|
|
|
var e6 = graph.insertEdge(parent, null, '');
|
|
|
|
|
e6.geometry.setTerminalPoint(new mxPoint(100, 500), true);
|
|
|
|
|
e6.geometry.setTerminalPoint(new mxPoint(600, 500), false);
|
|
|
|
|
|
|
|
|
|
var e7 = graph.insertEdge(parent, null, 'e7', v3.getChildAt(7), e6);
|
|
|
|
|
e7.geometry.setTerminalPoint(new mxPoint(500, 500), false);
|
|
|
|
|
e7.geometry.points = [new mxPoint(500, 350)];
|
|
|
|
|
}
|
|
|
|
|
finally
|
|
|
|
|
{
|
|
|
|
|
graph.getModel().endUpdate();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
document.body.appendChild(mxUtils.button('Zoom In', function()
|
|
|
|
|
{
|
|
|
|
|
graph.zoomIn();
|
|
|
|
|
}));
|
|
|
|
|
|
|
|
|
|
document.body.appendChild(mxUtils.button('Zoom Out', function()
|
|
|
|
|
{
|
|
|
|
|
graph.zoomOut();
|
|
|
|
|
}));
|
|
|
|
|
|
|
|
|
|
// Undo/redo
|
|
|
|
|
let undoManager = new mxUndoManager();
|
|
|
|
|
let listener = function(sender, evt)
|
|
|
|
|
{
|
|
|
|
|
undoManager.undoableEditHappened(evt.getProperty('edit'));
|
|
|
|
|
};
|
|
|
|
|
graph.getModel().addListener(mxEvent.UNDO, listener);
|
|
|
|
|
graph.getView().addListener(mxEvent.UNDO, listener);
|
|
|
|
|
|
|
|
|
|
document.body.appendChild(mxUtils.button('Undo', function()
|
|
|
|
|
{
|
|
|
|
|
undoManager.undo();
|
|
|
|
|
}));
|
|
|
|
|
|
|
|
|
|
document.body.appendChild(mxUtils.button('Redo', function()
|
|
|
|
|
{
|
|
|
|
|
undoManager.redo();
|
|
|
|
|
}));
|
|
|
|
|
|
|
|
|
|
// Shows XML for debugging the actual model
|
|
|
|
|
document.body.appendChild(mxUtils.button('Delete', function()
|
|
|
|
|
{
|
|
|
|
|
graph.removeCells();
|
|
|
|
|
}));
|
|
|
|
|
|
|
|
|
|
// Wire-mode
|
|
|
|
|
let checkbox = document.createElement('input');
|
|
|
|
|
checkbox.setAttribute('type', 'checkbox');
|
|
|
|
|
|
|
|
|
|
document.body.appendChild(checkbox);
|
|
|
|
|
mxUtils.write(document.body, 'Wire Mode');
|
|
|
|
|
|
|
|
|
|
// Starts connections on the background in wire-mode
|
|
|
|
|
let connectionHandlerIsStartEvent = graph.connectionHandler.isStartEvent;
|
|
|
|
|
graph.connectionHandler.isStartEvent = function(me)
|
|
|
|
|
{
|
|
|
|
|
return checkbox.checked || connectionHandlerIsStartEvent.apply(this, arguments);
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
// Avoids any connections for gestures within tolerance except when in wire-mode
|
|
|
|
|
// or when over a port
|
|
|
|
|
let connectionHandlerMouseUp = graph.connectionHandler.mouseUp;
|
|
|
|
|
graph.connectionHandler.mouseUp = function(sender, me)
|
|
|
|
|
{
|
|
|
|
|
if (this.first != null && this.previous != null)
|
|
|
|
|
{
|
|
|
|
|
let point = mxUtils.convertPoint(this.graph.container, me.getX(), me.getY());
|
|
|
|
|
let dx = Math.abs(point.x - this.first.x);
|
|
|
|
|
let dy = Math.abs(point.y - this.first.y);
|
|
|
|
|
|
|
|
|
|
if (dx < this.graph.tolerance && dy < this.graph.tolerance)
|
|
|
|
|
{
|
|
|
|
|
// Selects edges in non-wire mode for single clicks, but starts
|
|
|
|
|
// connecting for non-edges regardless of wire-mode
|
|
|
|
|
if (!checkbox.checked && this.graph.getModel().isEdge(this.previous.cell))
|
|
|
|
|
{
|
|
|
|
|
this.reset();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
connectionHandlerMouseUp.apply(this, arguments);
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
// Grid
|
|
|
|
|
var checkbox2 = document.createElement('input');
|
|
|
|
|
checkbox2.setAttribute('type', 'checkbox');
|
|
|
|
|
checkbox2.setAttribute('checked', 'true');
|
|
|
|
|
|
|
|
|
|
document.body.appendChild(checkbox2);
|
|
|
|
|
mxUtils.write(document.body, 'Grid');
|
|
|
|
|
|
|
|
|
|
mxEvent.addListener(checkbox2, 'click', function(evt)
|
|
|
|
|
{
|
|
|
|
|
if (checkbox2.checked)
|
|
|
|
|
{
|
|
|
|
|
container.style.background = 'url(\'images/wires-grid.gif\')';
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
container.style.background = '';
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
container.style.backgroundColor = (invert) ? 'black' : 'white';
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
mxEvent.disableContextMenu(container);
|
|
|
|
|
};
|
|
|
|
|
</script>
|
|
|
|
|
<!--
|
|
|
|
|
Updates connection points before the routing is called.
|
|
|
|
|
-->
|
|
|
|
|
<script type="text/javascript">
|
|
|
|
|
// Computes the position of edge to edge connection points.
|
|
|
|
|
mxGraphView.prototype.updateFixedTerminalPoint = function(edge, terminal, source, constraint)
|
|
|
|
|
{
|
|
|
|
|
let pt = null;
|
|
|
|
|
|
|
|
|
|
if (constraint != null)
|
|
|
|
|
{
|
|
|
|
|
pt = this.graph.getConnectionPoint(terminal, constraint);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (source)
|
|
|
|
|
{
|
|
|
|
|
edge.sourceSegment = null;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
edge.targetSegment = null;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (pt == null)
|
|
|
|
|
{
|
|
|
|
|
let s = this.scale;
|
|
|
|
|
let tr = this.translate;
|
|
|
|
|
let orig = edge.origin;
|
2021-04-25 02:12:27 +00:00
|
|
|
let geo = edge.cell.getGeometry();
|
2021-03-24 22:54:38 +00:00
|
|
|
pt = geo.getTerminalPoint(source);
|
|
|
|
|
|
|
|
|
|
// Computes edge-to-edge connection point
|
|
|
|
|
if (pt != null)
|
|
|
|
|
{
|
|
|
|
|
pt = new mxPoint(s * (tr.x + pt.x + orig.x),
|
|
|
|
|
s * (tr.y + pt.y + orig.y));
|
|
|
|
|
|
|
|
|
|
// Finds nearest segment on edge and computes intersection
|
|
|
|
|
if (terminal != null && terminal.absolutePoints != null)
|
|
|
|
|
{
|
|
|
|
|
let seg = mxUtils.findNearestSegment(terminal, pt.x, pt.y);
|
|
|
|
|
|
|
|
|
|
// Finds orientation of the segment
|
|
|
|
|
var p0 = terminal.absolutePoints[seg];
|
|
|
|
|
let pe = terminal.absolutePoints[seg + 1];
|
|
|
|
|
let horizontal = (p0.x - pe.x == 0);
|
|
|
|
|
|
|
|
|
|
// Stores the segment in the edge state
|
|
|
|
|
let key = (source) ? 'sourceConstraint' : 'targetConstraint';
|
|
|
|
|
let value = (horizontal) ? 'horizontal' : 'vertical';
|
|
|
|
|
edge.style[key] = value;
|
|
|
|
|
|
|
|
|
|
// Keeps the coordinate within the segment bounds
|
|
|
|
|
if (horizontal)
|
|
|
|
|
{
|
|
|
|
|
pt.x = p0.x;
|
|
|
|
|
pt.y = Math.min(pt.y, Math.max(p0.y, pe.y));
|
|
|
|
|
pt.y = Math.max(pt.y, Math.min(p0.y, pe.y));
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
pt.y = p0.y;
|
|
|
|
|
pt.x = Math.min(pt.x, Math.max(p0.x, pe.x));
|
|
|
|
|
pt.x = Math.max(pt.x, Math.min(p0.x, pe.x));
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
// Computes constraint connection points on vertices and ports
|
|
|
|
|
else if (terminal != null && terminal.cell.geometry.relative)
|
|
|
|
|
{
|
|
|
|
|
pt = new mxPoint(this.getRoutingCenterX(terminal),
|
|
|
|
|
this.getRoutingCenterY(terminal));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Snaps point to grid
|
|
|
|
|
/*if (pt != null)
|
|
|
|
|
{
|
|
|
|
|
let tr = this.graph.view.translate;
|
|
|
|
|
let s = this.graph.view.scale;
|
|
|
|
|
|
|
|
|
|
pt.x = (this.graph.snap(pt.x / s - tr.x) + tr.x) * s;
|
|
|
|
|
pt.y = (this.graph.snap(pt.y / s - tr.y) + tr.y) * s;
|
|
|
|
|
}*/
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
edge.setAbsoluteTerminalPoint(pt, source);
|
|
|
|
|
};
|
|
|
|
|
</script>
|
|
|
|
|
<!--
|
|
|
|
|
Overrides methods to preview and create new edges.
|
|
|
|
|
-->
|
|
|
|
|
<script type="text/javascript">
|
|
|
|
|
// Sets source terminal point for edge-to-edge connections.
|
|
|
|
|
mxConnectionHandler.prototype.createEdgeState = function(me)
|
|
|
|
|
{
|
|
|
|
|
let edge = this.graph.createEdge();
|
|
|
|
|
|
|
|
|
|
if (this.sourceConstraint != null && this.previous != null)
|
|
|
|
|
{
|
2021-05-02 06:04:34 +00:00
|
|
|
edge.style = 'exitX'+'='+this.sourceConstraint.point.x+';'+
|
|
|
|
|
'exitY'+'='+this.sourceConstraint.point.y+';';
|
2021-03-24 22:54:38 +00:00
|
|
|
}
|
|
|
|
|
else if (this.graph.model.isEdge(me.getCell()))
|
|
|
|
|
{
|
|
|
|
|
let scale = this.graph.view.scale;
|
|
|
|
|
let tr = this.graph.view.translate;
|
|
|
|
|
let pt = new mxPoint(this.graph.snap(me.getGraphX() / scale) - tr.x,
|
|
|
|
|
this.graph.snap(me.getGraphY() / scale) - tr.y);
|
|
|
|
|
edge.geometry.setTerminalPoint(pt, true);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return this.graph.view.createState(edge);
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
// Uses right mouse button to create edges on background (see also: lines 67 ff)
|
|
|
|
|
mxConnectionHandler.prototype.isStopEvent = function(me)
|
|
|
|
|
{
|
|
|
|
|
return me.getState() != null || mxEvent.isRightMouseButton(me.getEvent());
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
// Updates target terminal point for edge-to-edge connections.
|
|
|
|
|
mxConnectionHandlerUpdateCurrentState = mxConnectionHandler.prototype.updateCurrentState;
|
|
|
|
|
mxConnectionHandler.prototype.updateCurrentState = function(me)
|
|
|
|
|
{
|
|
|
|
|
mxConnectionHandlerUpdateCurrentState.apply(this, arguments);
|
|
|
|
|
|
|
|
|
|
if (this.edgeState != null)
|
|
|
|
|
{
|
|
|
|
|
this.edgeState.cell.geometry.setTerminalPoint(null, false);
|
|
|
|
|
|
|
|
|
|
if (this.shape != null && this.currentState != null &&
|
|
|
|
|
this.currentState.view.graph.model.isEdge(this.currentState.cell))
|
|
|
|
|
{
|
|
|
|
|
let scale = this.graph.view.scale;
|
|
|
|
|
let tr = this.graph.view.translate;
|
|
|
|
|
let pt = new mxPoint(this.graph.snap(me.getGraphX() / scale) - tr.x,
|
|
|
|
|
this.graph.snap(me.getGraphY() / scale) - tr.y);
|
|
|
|
|
this.edgeState.cell.geometry.setTerminalPoint(pt, false);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
// Updates the terminal and control points in the cloned preview.
|
|
|
|
|
mxEdgeSegmentHandler.prototype.clonePreviewState = function(point, terminal)
|
|
|
|
|
{
|
|
|
|
|
let clone = mxEdgeHandler.prototype.clonePreviewState.apply(this, arguments);
|
|
|
|
|
clone.cell = clone.cell.clone();
|
|
|
|
|
|
|
|
|
|
if (this.isSource || this.isTarget)
|
|
|
|
|
{
|
|
|
|
|
clone.cell.geometry = clone.cell.geometry.clone();
|
|
|
|
|
|
|
|
|
|
// Sets the terminal point of an edge if we're moving one of the endpoints
|
|
|
|
|
if (this.graph.getModel().isEdge(clone.cell))
|
|
|
|
|
{
|
|
|
|
|
// TODO: Only set this if the target or source terminal is an edge
|
|
|
|
|
clone.cell.geometry.setTerminalPoint(point, this.isSource);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
clone.cell.geometry.setTerminalPoint(null, this.isSource);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return clone;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
let mxEdgeHandlerConnect = mxEdgeHandler.prototype.connect;
|
|
|
|
|
mxEdgeHandler.prototype.connect = function(edge, terminal, isSource, isClone, me)
|
|
|
|
|
{
|
|
|
|
|
let result = null;
|
|
|
|
|
let model = this.graph.getModel();
|
|
|
|
|
let parent = model.getParent(edge);
|
|
|
|
|
|
|
|
|
|
model.beginUpdate();
|
|
|
|
|
try
|
|
|
|
|
{
|
|
|
|
|
result = mxEdgeHandlerConnect.apply(this, arguments);
|
|
|
|
|
let geo = model.getGeometry(result);
|
|
|
|
|
|
|
|
|
|
if (geo != null)
|
|
|
|
|
{
|
|
|
|
|
geo = geo.clone();
|
|
|
|
|
let pt = null;
|
|
|
|
|
|
|
|
|
|
if (model.isEdge(terminal))
|
|
|
|
|
{
|
|
|
|
|
pt = this.abspoints[(this.isSource) ? 0 : this.abspoints.length - 1];
|
|
|
|
|
pt.x = pt.x / this.graph.view.scale - this.graph.view.translate.x;
|
|
|
|
|
pt.y = pt.y / this.graph.view.scale - this.graph.view.translate.y;
|
|
|
|
|
|
|
|
|
|
let pstate = this.graph.getView().getState(
|
|
|
|
|
this.graph.getModel().getParent(edge));
|
|
|
|
|
|
|
|
|
|
if (pstate != null)
|
|
|
|
|
{
|
|
|
|
|
pt.x -= pstate.origin.x;
|
|
|
|
|
pt.y -= pstate.origin.y;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pt.x -= this.graph.panDx / this.graph.view.scale;
|
|
|
|
|
pt.y -= this.graph.panDy / this.graph.view.scale;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
geo.setTerminalPoint(pt, isSource);
|
|
|
|
|
model.setGeometry(edge, geo);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
finally
|
|
|
|
|
{
|
|
|
|
|
model.endUpdate();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return result;
|
|
|
|
|
};
|
|
|
|
|
</script>
|
|
|
|
|
<!--
|
|
|
|
|
Adds in-place highlighting for complete cell area (no hotspot).
|
|
|
|
|
-->
|
|
|
|
|
<script type="text/javascript">
|
|
|
|
|
mxConnectionHandlerCreateMarker = mxConnectionHandler.prototype.createMarker;
|
|
|
|
|
mxConnectionHandler.prototype.createMarker = function()
|
|
|
|
|
{
|
|
|
|
|
let marker = mxConnectionHandlerCreateMarker.apply(this, arguments);
|
|
|
|
|
|
|
|
|
|
// Uses complete area of cell for new connections (no hotspot)
|
|
|
|
|
marker.intersects = function(state, evt)
|
|
|
|
|
{
|
|
|
|
|
return true;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
// Adds in-place highlighting
|
|
|
|
|
mxCellHighlightHighlight = mxCellHighlight.prototype.highlight;
|
|
|
|
|
marker.highlight.highlight = function(state)
|
|
|
|
|
{
|
|
|
|
|
if (this.state != state)
|
|
|
|
|
{
|
|
|
|
|
if (this.state != null)
|
|
|
|
|
{
|
|
|
|
|
this.state.style = this.lastStyle;
|
|
|
|
|
|
|
|
|
|
// Workaround for shape using current stroke width if no strokewidth defined
|
2021-05-02 13:59:43 +00:00
|
|
|
this.state.style.strokeWidth = this.state.style.strokeWidth || '1';
|
|
|
|
|
this.state.style.strokeColor = this.state.style.strokeColor || 'none';
|
2021-03-24 22:54:38 +00:00
|
|
|
|
|
|
|
|
if (this.state.shape != null)
|
|
|
|
|
{
|
|
|
|
|
this.state.view.graph.cellRenderer.configureShape(this.state);
|
|
|
|
|
this.state.shape.redraw();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (state != null)
|
|
|
|
|
{
|
|
|
|
|
this.lastStyle = state.style;
|
|
|
|
|
state.style = mxUtils.clone(state.style);
|
2021-05-02 13:59:43 +00:00
|
|
|
state.style.strokeColor = '#00ff00';
|
|
|
|
|
state.style.strokeWidth = '3';
|
2021-03-24 22:54:38 +00:00
|
|
|
|
|
|
|
|
if (state.shape != null)
|
|
|
|
|
{
|
|
|
|
|
state.view.graph.cellRenderer.configureShape(state);
|
|
|
|
|
state.shape.redraw();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
this.state = state;
|
|
|
|
|
}
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
return marker;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
mxEdgeHandlerCreateMarker = mxEdgeHandler.prototype.createMarker;
|
|
|
|
|
mxEdgeHandler.prototype.createMarker = function()
|
|
|
|
|
{
|
|
|
|
|
let marker = mxEdgeHandlerCreateMarker.apply(this, arguments);
|
|
|
|
|
|
|
|
|
|
// Adds in-place highlighting when reconnecting existing edges
|
|
|
|
|
marker.highlight.highlight = this.graph.connectionHandler.marker.highlight.highlight;
|
|
|
|
|
|
|
|
|
|
return marker;
|
|
|
|
|
}
|
|
|
|
|
</script>
|
|
|
|
|
<!--
|
|
|
|
|
Adds oval markers for edge-to-edge connections.
|
|
|
|
|
-->
|
|
|
|
|
<script type="text/javascript">
|
|
|
|
|
mxGraphGetCellStyle = mxGraph.prototype.getCellStyle;
|
|
|
|
|
mxGraph.prototype.getCellStyle = function(cell)
|
|
|
|
|
{
|
|
|
|
|
let style = mxGraphGetCellStyle.apply(this, arguments);
|
|
|
|
|
|
|
|
|
|
if (style != null && this.model.isEdge(cell))
|
|
|
|
|
{
|
|
|
|
|
style = mxUtils.clone(style);
|
|
|
|
|
|
|
|
|
|
if (this.model.isEdge(this.model.getTerminal(cell, true)))
|
|
|
|
|
{
|
2021-05-02 13:59:43 +00:00
|
|
|
style.startArrow = 'oval';
|
2021-03-24 22:54:38 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (this.model.isEdge(this.model.getTerminal(cell, false)))
|
|
|
|
|
{
|
2021-05-02 13:59:43 +00:00
|
|
|
style.endArrow = 'oval';
|
2021-03-24 22:54:38 +00:00
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return style;
|
|
|
|
|
};
|
|
|
|
|
</script>
|
|
|
|
|
<!--
|
|
|
|
|
Imlements a custom resistor shape. Direction currently ignored here.
|
|
|
|
|
-->
|
|
|
|
|
<script type="text/javascript">
|
|
|
|
|
function ResistorShape() { };
|
|
|
|
|
ResistorShape.prototype = new mxCylinder();
|
|
|
|
|
ResistorShape.prototype.constructor = ResistorShape;
|
|
|
|
|
|
|
|
|
|
ResistorShape.prototype.redrawPath = function(path, x, y, w, h, isForeground)
|
|
|
|
|
{
|
|
|
|
|
let dx = w / 16;
|
|
|
|
|
|
|
|
|
|
if (isForeground)
|
|
|
|
|
{
|
|
|
|
|
path.moveTo(0, h / 2);
|
|
|
|
|
path.lineTo(2 * dx, h / 2);
|
|
|
|
|
path.lineTo(3 * dx, 0);
|
|
|
|
|
path.lineTo(5 * dx, h);
|
|
|
|
|
path.lineTo(7 * dx, 0);
|
|
|
|
|
path.lineTo(9 * dx, h);
|
|
|
|
|
path.lineTo(11 * dx, 0);
|
|
|
|
|
path.lineTo(13 * dx, h);
|
|
|
|
|
path.lineTo(14 * dx, h / 2);
|
|
|
|
|
path.lineTo(16 * dx, h / 2);
|
|
|
|
|
|
|
|
|
|
path.end();
|
|
|
|
|
}
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
mxCellRenderer.registerShape('resistor', ResistorShape);
|
|
|
|
|
</script>
|
|
|
|
|
<!--
|
|
|
|
|
Imlements a custom resistor shape. Direction currently ignored here.
|
|
|
|
|
-->
|
|
|
|
|
<script type="text/javascript">
|
|
|
|
|
mxEdgeStyle.WireConnector = function(state, source, target, hints, result)
|
|
|
|
|
{
|
|
|
|
|
// Creates array of all way- and terminalpoints
|
|
|
|
|
let pts = state.absolutePoints;
|
|
|
|
|
let horizontal = true;
|
|
|
|
|
let hint = null;
|
|
|
|
|
|
|
|
|
|
// Gets the initial connection from the source terminal or edge
|
|
|
|
|
if (source != null && state.view.graph.model.isEdge(source.cell))
|
|
|
|
|
{
|
2021-05-02 13:59:43 +00:00
|
|
|
horizontal = state.style.sourceConstraint == 'horizontal';
|
2021-03-24 22:54:38 +00:00
|
|
|
}
|
|
|
|
|
else if (source != null)
|
|
|
|
|
{
|
2021-05-02 13:59:43 +00:00
|
|
|
horizontal = source.style.portConstraint != 'vertical';
|
2021-03-24 22:54:38 +00:00
|
|
|
|
|
|
|
|
// Checks the direction of the shape and rotates
|
2021-05-02 06:04:34 +00:00
|
|
|
let direction = source.style.direction;
|
2021-03-24 22:54:38 +00:00
|
|
|
|
|
|
|
|
if (direction == 'north' || direction == 'south')
|
|
|
|
|
{
|
|
|
|
|
horizontal = !horizontal;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Adds the first point
|
|
|
|
|
// TODO: Should move along connected segment
|
|
|
|
|
let pt = pts[0];
|
|
|
|
|
|
|
|
|
|
if (pt == null && source != null)
|
|
|
|
|
{
|
|
|
|
|
pt = new mxPoint(state.view.getRoutingCenterX(source), state.view.getRoutingCenterY(source));
|
|
|
|
|
}
|
|
|
|
|
else if (pt != null)
|
|
|
|
|
{
|
|
|
|
|
pt = pt.clone();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
let first = pt;
|
|
|
|
|
|
|
|
|
|
// Adds the waypoints
|
|
|
|
|
if (hints != null && hints.length > 0)
|
|
|
|
|
{
|
|
|
|
|
// FIXME: First segment not movable
|
|
|
|
|
/*hint = state.view.transformControlPoint(state, hints[0]);
|
|
|
|
|
mxLog.show();
|
|
|
|
|
mxLog.debug(hints.length,'hints0.y='+hint.y, pt.y)
|
|
|
|
|
|
|
|
|
|
if (horizontal && Math.floor(hint.y) != Math.floor(pt.y))
|
|
|
|
|
{
|
|
|
|
|
mxLog.show();
|
|
|
|
|
mxLog.debug('add waypoint');
|
|
|
|
|
|
|
|
|
|
pt = new mxPoint(pt.x, hint.y);
|
|
|
|
|
result.push(pt);
|
|
|
|
|
pt = pt.clone();
|
|
|
|
|
//horizontal = !horizontal;
|
|
|
|
|
}*/
|
|
|
|
|
|
|
|
|
|
for (let i = 0; i < hints.length; i++)
|
|
|
|
|
{
|
|
|
|
|
horizontal = !horizontal;
|
|
|
|
|
hint = state.view.transformControlPoint(state, hints[i]);
|
|
|
|
|
|
|
|
|
|
if (horizontal)
|
|
|
|
|
{
|
|
|
|
|
if (pt.y != hint.y)
|
|
|
|
|
{
|
|
|
|
|
pt.y = hint.y;
|
|
|
|
|
result.push(pt.clone());
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else if (pt.x != hint.x)
|
|
|
|
|
{
|
|
|
|
|
pt.x = hint.x;
|
|
|
|
|
result.push(pt.clone());
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
hint = pt;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Adds the last point
|
|
|
|
|
pt = pts[pts.length - 1];
|
|
|
|
|
|
|
|
|
|
// TODO: Should move along connected segment
|
|
|
|
|
if (pt == null && target != null)
|
|
|
|
|
{
|
|
|
|
|
pt = new mxPoint(state.view.getRoutingCenterX(target), state.view.getRoutingCenterY(target));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (horizontal)
|
|
|
|
|
{
|
|
|
|
|
if (pt.y != hint.y && first.x != pt.x)
|
|
|
|
|
{
|
|
|
|
|
result.push(new mxPoint(pt.x, hint.y));
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else if (pt.x != hint.x && first.y != pt.y)
|
|
|
|
|
{
|
|
|
|
|
result.push(new mxPoint(hint.x, pt.y));
|
|
|
|
|
}
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
mxStyleRegistry.putValue('wireEdgeStyle', mxEdgeStyle.WireConnector);
|
|
|
|
|
|
|
|
|
|
// This connector needs an mxEdgeSegmentHandler
|
|
|
|
|
mxGraphCreateHandler = mxGraph.prototype.createHandler;
|
|
|
|
|
mxGraph.prototype.createHandler = function(state)
|
|
|
|
|
{
|
|
|
|
|
let result = null;
|
|
|
|
|
|
|
|
|
|
if (state != null)
|
|
|
|
|
{
|
|
|
|
|
if (this.model.isEdge(state.cell))
|
|
|
|
|
{
|
|
|
|
|
let style = this.view.getEdgeStyle(state);
|
|
|
|
|
|
|
|
|
|
if (style == mxEdgeStyle.WireConnector)
|
|
|
|
|
{
|
|
|
|
|
return new mxEdgeSegmentHandler(state);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return mxGraphCreateHandler.apply(this, arguments);
|
|
|
|
|
};
|
|
|
|
|
</script>
|
|
|
|
|
</head>
|
|
|
|
|
<body onload="main(document.getElementById('graphContainer'))">
|
|
|
|
|
<div id="graphContainer"
|
|
|
|
|
style="overflow:auto;position:relative;width:800px;height:600px;border:1px solid gray;background:url('images/wires-grid.gif');background-position:-1px 0px;cursor:crosshair;">
|
|
|
|
|
</div>
|
|
|
|
|
</body>
|
|
|
|
|
</html>
|
