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

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