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