bundles/org.simantics.diagram.connection/tests/org/simantics/diagram/connection/tests/actions/NewTerminalAction.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.tests.actions;\r
  13 \r
  14 import java.awt.Graphics2D;\r
  15 \r
  16 import org.simantics.diagram.connection.RouteGraph;\r
  17 import org.simantics.diagram.connection.RouteTerminal;\r
  18 import org.simantics.diagram.connection.actions.IAction;\r
  19 import org.simantics.diagram.connection.rendering.IRouteGraphRenderer;\r
  20 import org.simantics.diagram.connection.rendering.arrows.PlainExampleLineEndStyle;\r
  21 \r
  22 public class NewTerminalAction implements IAction {\r
  23 \r
  24     RouteGraph rg;    \r
  25     double connectionStartX;\r
  26     double connectionStartY;\r
  27     \r
  28     public NewTerminalAction(RouteGraph rg, double connectionStartX,\r
  29             double connectionStartY) {\r
  30         this.rg = rg;\r
  31         this.connectionStartX = connectionStartX;\r
  32         this.connectionStartY = connectionStartY;\r
  33     }\r
  34     \r
  35     private static RouteTerminal addTerminal(RouteGraph rg, double x, double y) {\r
  36         return rg.addTerminal(x, y, x-20, y-20, x+20, y+20, 1, PlainExampleLineEndStyle.INSTANCE);\r
  37     }\r
  38     \r
  39     @Override\r
  40     public void render(Graphics2D g, IRouteGraphRenderer renderer, double mouseX, double mouseY) {\r
  41         RouteGraph rgc = rg.copy();\r
  42         RouteTerminal t1 = addTerminal(rgc, connectionStartX, connectionStartY);\r
  43         if(rgc.connectTerminal(t1, mouseX, mouseY, TOLERANCE)) {\r
  44             renderer.render(g, rgc);\r
  45         }            \r
  46         else {            \r
  47             rgc = new RouteGraph();\r
  48             t1 = addTerminal(rgc, connectionStartX, connectionStartY);\r
  49             RouteTerminal t2 = rgc.addTerminal(mouseX, mouseY, \r
  50                     mouseX, mouseY,\r
  51                     mouseX, mouseY, 15);\r
  52             rgc.link(t1, t2);\r
  53             renderer.render(g, rgc);\r
  54             \r
  55             renderer.render(g, rg);\r
  56         }\r
  57     }\r
  58 \r
  59     public void finish(double x, double y) {\r
  60         RouteTerminal t1 = addTerminal(rg, connectionStartX, connectionStartY);\r
  61         rg.connectTerminal(t1, x, y, TOLERANCE);\r
  62     }\r
  63 \r
  64 }\r