Migrated source code from Simantics SVN

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

diff --git a/bundles/org.simantics.diagram.connection/src/org/simantics/diagram/connection/actions/MoveAction.java b/bundles/org.simantics.diagram.connection/src/org/simantics/diagram/connection/actions/MoveAction.java
new file mode 100644 (file)
index 0000000..2f469f6
--- /dev/null
+++ b/bundles/org.simantics.diagram.connection/src/org/simantics/diagram/connection/actions/MoveAction.java
@@ -0,0 +1,101 @@
+/*******************************************************************************\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.RouteLink;\r
+import org.simantics.diagram.connection.RouteTerminal;\r
+import org.simantics.diagram.connection.rendering.IRouteGraphRenderer;\r
+\r
+public class MoveAction implements IAction {\r
+\r
+    protected RouteGraph rg;\r
+    protected Object target;\r
+    protected RouteGraph movedRg;\r
+\r
+    public MoveAction(RouteGraph rg, Object target) {\r
+        this.rg = rg;\r
+        this.target = target;\r
+    }\r
+\r
+    @Override\r
+    public void render(Graphics2D g, IRouteGraphRenderer renderer, double x, double y) {\r
+        THashMap<Object, Object> map = new THashMap<Object, Object>();\r
+        movedRg = rg.copy(map);\r
+        move(movedRg, map.get(target), x, y);\r
+        renderer.render(g, movedRg);\r
+    }\r
+\r
+    public RouteGraph getRouteGraph() {\r
+        return movedRg == null ? rg : movedRg;\r
+    }\r
+\r
+    public Object getTarget() {\r
+        return target;\r
+    }\r
+\r
+    public void finish(double x, double y) {\r
+        move(rg, target, x, y);\r
+        movedRg = null;\r
+    }\r
+\r
+    protected void move(RouteGraph rg, Object target, double x, double y) {\r
+        moveTarget(rg, target, x, y);\r
+    }\r
+\r
+    private static void moveTarget(RouteGraph rg, Object target, double x, double y) {\r
+        if(target instanceof RouteLine) {\r
+            RouteLine line = (RouteLine)target;\r
+            rg.setLocation(line, x, y);\r
+        }\r
+        else if(target instanceof RouteTerminal) {\r
+            RouteTerminal terminal = (RouteTerminal)target;\r
+            rg.setLocation(terminal, x, y);\r
+        }\r
+        else if(target instanceof RouteLink) {\r
+            RouteLink link = (RouteLink)target;\r
+            RouteLine a = link.getA();\r
+            RouteLine b = link.getB();\r
+            rg.setLocation(a, x, y);\r
+            rg.setLocation(b, x, y);\r
+        }\r
+    }\r
+\r
+    public static MoveAction create(RouteGraph rg, double x, double y) {\r
+        return create(rg, x, y, TOLERANCE);\r
+    }\r
+\r
+    public static MoveAction create(RouteGraph rg, double x, double y, double tolerance) {\r
+        Object target = rg.pick(x, y, tolerance);\r
+        if(target == null)\r
+            return null;\r
+        else\r
+            return new MoveAction(rg, target);\r
+    }\r
+\r
+    public static MoveAction create(RouteGraph rg, double x, double y, double tolerance, TargetFilter filter) {\r
+        Object target = rg.pick(x, y, tolerance);\r
+        if (target != null && (filter == null || filter.accept(target)))\r
+            return new MoveAction(rg, target);\r
+        return null;\r
+    }\r
+\r
+    public static interface TargetFilter {\r
+        boolean accept(Object target);\r
+    }\r
+\r
+}\r