Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.diagram.connection / src / org / simantics / diagram / connection / actions / ReconnectLineAction.java

diff --git a/bundles/org.simantics.diagram.connection/src/org/simantics/diagram/connection/actions/ReconnectLineAction.java b/bundles/org.simantics.diagram.connection/src/org/simantics/diagram/connection/actions/ReconnectLineAction.java
new file mode 100644 (file)
index 0000000..c3f34ef
--- /dev/null
+++ b/bundles/org.simantics.diagram.connection/src/org/simantics/diagram/connection/actions/ReconnectLineAction.java
@@ -0,0 +1,79 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2011 Association for Decentralized Information Management in\r
+ * Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.diagram.connection.actions;\r
+\r
+import gnu.trove.map.hash.THashMap;\r
+\r
+import java.awt.Graphics2D;\r
+\r
+import org.simantics.diagram.connection.RouteGraph;\r
+import org.simantics.diagram.connection.RouteLine;\r
+import org.simantics.diagram.connection.RouteLineHalf;\r
+import org.simantics.diagram.connection.RouteTerminal;\r
+import org.simantics.diagram.connection.rendering.IRouteGraphRenderer;\r
+\r
+public class ReconnectLineAction implements IReconnectAction {\r
+\r
+    RouteGraph rg;\r
+    RouteGraph rgc;\r
+    RouteLine line;\r
+\r
+    public ReconnectLineAction(RouteGraph rg, RouteGraph rgc, RouteLine line) {\r
+        this.rg = rg;\r
+        this.rgc = rgc;\r
+        this.line = line;\r
+    }\r
+\r
+    @Override\r
+    public void render(Graphics2D g, IRouteGraphRenderer renderer, double mouseX, double mouseY) {\r
+        THashMap<Object, Object> map = new THashMap<Object, Object>();\r
+        RouteGraph rgc = this.rgc.copy(map);  \r
+        RouteLine sLine = (RouteLine)map.get(line);\r
+        if(!rgc.connectLine(sLine, mouseX, mouseY, TOLERANCE) || !rgc.isTree()) {\r
+            map.clear();\r
+            rgc = this.rgc.copy(map);\r
+            sLine = (RouteLine)map.get(line);\r
+            RouteTerminal t2 = rgc.addTerminal(mouseX, mouseY, \r
+                    mouseX, mouseY,\r
+                    mouseX, mouseY, 15);\r
+            rgc.link(sLine, t2);\r
+        }\r
+        renderer.render(g, rgc);  \r
+    }\r
+\r
+    @Override\r
+    public void finish(double x, double y) {\r
+        if(rgc.connectLine(line, x, y, TOLERANCE) && rgc.isTree()) {\r
+            rgc.removeExtraConnections();\r
+            rg.replaceBy(rgc);\r
+        }\r
+    }\r
+\r
+    public static IAction create(RouteGraph rg, double x, double y) {\r
+        RouteGraph rgc = rg.copy();\r
+        RouteLineHalf lh = rgc.pickLineHalf(x, y, TOLERANCE);\r
+        if(lh == null)\r
+            return null;\r
+        RouteLine line = lh.getLine();\r
+        if(line.isTransient()) {\r
+            RouteTerminal terminal = line.getTerminal();\r
+            rgc.disconnect(terminal);\r
+            return new ReconnectTerminalAction(rg, rgc, terminal);\r
+        }\r
+        else {\r
+            rgc.makePersistent(line);\r
+            rgc.remove(lh.getLink());\r
+            return new ReconnectLineAction(rg, rgc, line);\r
+        }\r
+    }\r
+\r
+}\r