bundles/org.simantics.diagram.connection/src/org/simantics/diagram/connection/actions/ReconnectTerminalAction.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2011 Association for Decentralized Information Management in
   3  * Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.diagram.connection.actions;
  13
  14 import gnu.trove.map.hash.THashMap;
  15
  16 import java.awt.Graphics2D;
  17
  18 import org.simantics.diagram.connection.RouteGraph;
  19 import org.simantics.diagram.connection.RouteTerminal;
  20 import org.simantics.diagram.connection.rendering.IRouteGraphRenderer;
  21
  22 public class ReconnectTerminalAction implements IReconnectAction {
  23
  24     RouteGraph rg;
  25     RouteGraph rgc;
  26     RouteTerminal terminal;
  27
  28     public ReconnectTerminalAction(RouteGraph rg, RouteGraph rgc, RouteTerminal terminal) {
  29         this.rg = rg;
  30         this.rgc = rgc;
  31         this.terminal = terminal;
  32     }
  33
  34     @Override
  35     public void render(Graphics2D g, IRouteGraphRenderer renderer, double mouseX, double mouseY) {
  36         THashMap<Object, Object> map = new THashMap<Object, Object>();
  37         RouteGraph rgcc = rgc.copy(map);
  38         RouteTerminal t1 = (RouteTerminal)map.get(terminal);
  39         if(rgcc.connectTerminal(t1, mouseX, mouseY, TOLERANCE)) {
  40             renderer.render(g, rgcc);
  41         }
  42         else {
  43             RouteGraph simpleConnection = new RouteGraph();
  44             t1 = simpleConnection.addTerminal(terminal);
  45             RouteTerminal t2 = simpleConnection.addTerminal(mouseX, mouseY,
  46                     mouseX, mouseY,
  47                     mouseX, mouseY, 15);
  48             simpleConnection.link(t1, t2);
  49             renderer.render(g, simpleConnection);
  50
  51             renderer.render(g, rgc);
  52         }
  53     }
  54
  55     @Override
  56     public void finish(double x, double y) {
  57         if(rgc.connectTerminal(terminal, x, y, TOLERANCE))
  58             rg.replaceBy(rgc);
  59     }
  60
  61 }