X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.diagram.connection%2Fsrc%2Forg%2Fsimantics%2Fdiagram%2Fconnection%2Factions%2FMoveAction.java;fp=bundles%2Forg.simantics.diagram.connection%2Fsrc%2Forg%2Fsimantics%2Fdiagram%2Fconnection%2Factions%2FMoveAction.java;h=2f469f65f7a68f01c311989adee1ce9910a923aa;hp=0000000000000000000000000000000000000000;hb=969bd23cab98a79ca9101af33334000879fb60c5;hpb=866dba5cd5a3929bbeae85991796acb212338a08

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
index 000000000..2f469f65f
--- /dev/null
+++ b/bundles/org.simantics.diagram.connection/src/org/simantics/diagram/connection/actions/MoveAction.java
@@ -0,0 +1,101 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2011 Association for Decentralized Information Management in
+ * Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.diagram.connection.actions;
+
+import gnu.trove.map.hash.THashMap;
+
+import java.awt.Graphics2D;
+
+import org.simantics.diagram.connection.RouteGraph;
+import org.simantics.diagram.connection.RouteLine;
+import org.simantics.diagram.connection.RouteLink;
+import org.simantics.diagram.connection.RouteTerminal;
+import org.simantics.diagram.connection.rendering.IRouteGraphRenderer;
+
+public class MoveAction implements IAction {
+
+    protected RouteGraph rg;
+    protected Object target;
+    protected RouteGraph movedRg;
+
+    public MoveAction(RouteGraph rg, Object target) {
+        this.rg = rg;
+        this.target = target;
+    }
+
+    @Override
+    public void render(Graphics2D g, IRouteGraphRenderer renderer, double x, double y) {
+        THashMap<Object, Object> map = new THashMap<Object, Object>();
+        movedRg = rg.copy(map);
+        move(movedRg, map.get(target), x, y);
+        renderer.render(g, movedRg);
+    }
+
+    public RouteGraph getRouteGraph() {
+        return movedRg == null ? rg : movedRg;
+    }
+
+    public Object getTarget() {
+        return target;
+    }
+
+    public void finish(double x, double y) {
+        move(rg, target, x, y);
+        movedRg = null;
+    }
+
+    protected void move(RouteGraph rg, Object target, double x, double y) {
+        moveTarget(rg, target, x, y);
+    }
+
+    private static void moveTarget(RouteGraph rg, Object target, double x, double y) {
+        if(target instanceof RouteLine) {
+            RouteLine line = (RouteLine)target;
+            rg.setLocation(line, x, y);
+        }
+        else if(target instanceof RouteTerminal) {
+            RouteTerminal terminal = (RouteTerminal)target;
+            rg.setLocation(terminal, x, y);
+        }
+        else if(target instanceof RouteLink) {
+            RouteLink link = (RouteLink)target;
+            RouteLine a = link.getA();
+            RouteLine b = link.getB();
+            rg.setLocation(a, x, y);
+            rg.setLocation(b, x, y);
+        }
+    }
+
+    public static MoveAction create(RouteGraph rg, double x, double y) {
+        return create(rg, x, y, TOLERANCE);
+    }
+
+    public static MoveAction create(RouteGraph rg, double x, double y, double tolerance) {
+        Object target = rg.pick(x, y, tolerance);
+        if(target == null)
+            return null;
+        else
+            return new MoveAction(rg, target);
+    }
+
+    public static MoveAction create(RouteGraph rg, double x, double y, double tolerance, TargetFilter filter) {
+        Object target = rg.pick(x, y, tolerance);
+        if (target != null && (filter == null || filter.accept(target)))
+            return new MoveAction(rg, target);
+        return null;
+    }
+
+    public static interface TargetFilter {
+        boolean accept(Object target);
+    }
+
+}