X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.diagram%2Fsrc%2Forg%2Fsimantics%2Fdiagram%2Fsynchronization%2Fgraph%2FPropertyModification.java;fp=bundles%2Forg.simantics.diagram%2Fsrc%2Forg%2Fsimantics%2Fdiagram%2Fsynchronization%2Fgraph%2FPropertyModification.java;h=6bcf9fc3a1ee204ad458603d62301a063542be77;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/synchronization/graph/PropertyModification.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/synchronization/graph/PropertyModification.java
new file mode 100644
index 000000000..6bcf9fc3a
--- /dev/null
+++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/synchronization/graph/PropertyModification.java
@@ -0,0 +1,92 @@
+/*******************************************************************************
+ * 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.diagram.synchronization.graph;
+
+import java.util.Arrays;
+
+import org.simantics.databoard.binding.Binding;
+import org.simantics.db.Resource;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.common.CommentMetadata;
+import org.simantics.db.common.utils.NameUtils;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.diagram.synchronization.ModificationAdapter;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class PropertyModification extends ModificationAdapter {
+    private final Resource owner;
+    private final Resource relation;
+    private final Resource type;
+    private final Object value;
+    private final Binding binding;
+
+    public PropertyModification(Resource propertyOwner, Resource propertyRelation, Resource propertyType, Object value, Binding binding) {
+        super(LOW_PRIORITY);
+        this.owner = propertyOwner;
+        this.relation = propertyRelation;
+        this.type = propertyType;
+        this.value = value;
+        this.binding = binding;
+    }
+    
+	private final boolean arrayEquals(Object av1, Object av2) {
+		if (av2 == null)
+			return false;
+		Class<?> c1 = av1.getClass().getComponentType();
+		Class<?> c2 = av2.getClass().getComponentType();
+		if (c2 == null || !c1.equals(c2))
+			return false;
+		boolean p1 = c1.isPrimitive();
+		boolean p2 = c2.isPrimitive();
+		if (p1 != p2)
+			return false;
+		if (!p1)
+			return Arrays.equals((Object[]) av1, (Object[]) av2);
+		if (boolean.class.equals(c1))
+			return Arrays.equals((boolean[]) av1, (boolean[]) av2);
+		else if (byte.class.equals(c1))
+			return Arrays.equals((byte[]) av1, (byte[]) av2);
+		else if (int.class.equals(c1))
+			return Arrays.equals((int[]) av1, (int[]) av2);
+		else if (long.class.equals(c1))
+			return Arrays.equals((long[]) av1, (long[]) av2);
+		else if (float.class.equals(c1))
+			return Arrays.equals((float[]) av1, (float[]) av2);
+		else if (double.class.equals(c1))
+			return Arrays.equals((double[]) av1, (double[]) av2);
+		throw new RuntimeException("??? Contact application querySupport.");
+	}
+
+    private boolean sameValue(Object oldValue, Object newValue) {
+		if (newValue.getClass().isArray()) {
+			return arrayEquals(newValue, oldValue);
+		} else {
+			return newValue.equals(oldValue);
+		}
+    }
+
+    @Override
+    public void perform(WriteGraph g) throws DatabaseException {
+    	
+    	Object existing = g.getPossibleRelatedValue(owner, relation, binding);
+    	if(!sameValue(existing, value)) {
+        	g.markUndoPoint();
+            DiagramGraphUtil.setRelatedValue(g, owner, relation, type, value, binding);
+    		// Add comment to change set.
+    		CommentMetadata cm = g.getMetadata(CommentMetadata.class);
+    		g.addMetadata(cm.add("Changed property " + NameUtils.getSafeName(g, relation)));
+    	}
+
+    }
+}
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