X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.modeling.ui%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2Fui%2FdiagramEditor%2Fhandlers%2FAlignVerticalHandler.java;fp=bundles%2Forg.simantics.modeling.ui%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2Fui%2FdiagramEditor%2Fhandlers%2FAlignVerticalHandler.java;h=66f5290e08ddf071cba570c83ffee12229a82374;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagramEditor/handlers/AlignVerticalHandler.java b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagramEditor/handlers/AlignVerticalHandler.java
new file mode 100644
index 000000000..66f5290e0
--- /dev/null
+++ b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagramEditor/handlers/AlignVerticalHandler.java
@@ -0,0 +1,93 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 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.modeling.ui.diagramEditor.handlers;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.eclipse.core.commands.AbstractHandler;
+import org.eclipse.core.commands.ExecutionEvent;
+import org.eclipse.core.commands.ExecutionException;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.ui.handlers.HandlerUtil;
+import org.simantics.db.Resource;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.common.request.WriteRequest;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.diagram.stubs.DiagramResource;
+import org.simantics.ui.SimanticsUI;
+import org.simantics.ui.utils.ResourceAdaptionUtils;
+
+/**
+ * 
+ * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
+ *
+ */
+public class AlignVerticalHandler extends AbstractHandler {
+
+	@Override
+	public Object execute(ExecutionEvent event) throws ExecutionException {
+		
+		ISelection s = HandlerUtil.getCurrentSelectionChecked(event);
+		final Resource resources[] = ResourceAdaptionUtils.toResources(s);
+		
+		if (resources.length < 2)
+			return null;
+		
+		SimanticsUI.getSession().asyncRequest(new WriteRequest() {
+			
+			@Override
+			public void perform(WriteGraph graph) throws DatabaseException {
+				DiagramResource dr = DiagramResource.getInstance(graph);
+				
+				List<Resource> elements = new ArrayList<Resource>();
+				List<double[]> transforms = new ArrayList<double[]>();
+				for (Resource r : resources) {
+					//System.out.println(r + " " + GraphUtils.getReadableName(graph, r));
+					if (graph.isInstanceOf(r, dr.Element) && !graph.isInstanceOf(r, dr.Connection)) {
+						double transform[] = graph.getPossibleRelatedValue(r, dr.HasTransform);
+						if (transform != null) {
+							elements.add(r);
+							transforms.add(transform);
+						}
+					}
+				}
+				double mx = 0;
+				double my = 0;
+				for (double[] t : transforms) {
+					mx += t[4];
+					my += t[5];
+				}
+				mx /= transforms.size();
+				my /= transforms.size();
+				
+				// prevent moving symbols into the same position
+				int count = 0;
+				for (double t[] : transforms) {
+					if (Math.abs(t[5] - my) < 0.1) {
+						count++;
+					}
+				}
+				if (count > 1)
+					return;
+				
+				for (int i = 0; i < transforms.size(); i++) {
+					Resource element = elements.get(i);
+					double t[] = transforms.get(i);
+					graph.claimLiteral(element, dr.HasTransform, new double[]{t[0],t[1],t[2],t[3],mx,t[5]});
+				}
+			}
+		});
+		return null;
+	}
+
+}