Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.modeling.ui / src / org / simantics / modeling / ui / diagram / style / DocumentDecorationStyle.java

diff --git a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagram/style/DocumentDecorationStyle.java b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagram/style/DocumentDecorationStyle.java
new file mode 100644 (file)
index 0000000..3a053a3
--- /dev/null
+++ b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagram/style/DocumentDecorationStyle.java
@@ -0,0 +1,113 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in 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.modeling.ui.diagram.style;\r
+\r
+import java.awt.geom.AffineTransform;\r
+import java.awt.geom.Rectangle2D;\r
+import java.util.HashSet;\r
+import java.util.Set;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.variable.Variable;\r
+import org.simantics.diagram.profile.StyleBase;\r
+import org.simantics.diagram.synchronization.graph.DiagramGraphUtil;\r
+import org.simantics.document.DocumentResource;\r
+import org.simantics.modeling.ModelingResources;\r
+import org.simantics.modeling.ui.Activator;\r
+import org.simantics.scenegraph.INode;\r
+import org.simantics.scenegraph.g2d.nodes.Decoration;\r
+import org.simantics.scenegraph.g2d.nodes.DecorationSVGNode;\r
+import org.simantics.scenegraph.g2d.nodes.SVGNode;\r
+import org.simantics.scenegraph.profile.EvaluationContext;\r
+import org.simantics.scenegraph.profile.common.ProfileVariables;\r
+import org.simantics.scenegraph.utils.NodeUtil;\r
+import org.simantics.utils.datastructures.map.Tuple;\r
+\r
+/**\r
+ * @author Antti Villberg\r
+ */\r
+public class DocumentDecorationStyle extends StyleBase<DocumentResult> {\r
+\r
+    private static final String DECORATION_NODE_NAME = "documentDecorations";\r
+\r
+    private Set<Resource> getContexts(ReadGraph graph, Resource element) throws DatabaseException {\r
+\r
+        ModelingResources MOD = ModelingResources.getInstance(graph);\r
+       HashSet<Resource> result = new HashSet<Resource>();\r
+       result.add(element);\r
+        Resource config = graph.getPossibleObject(element, MOD.ElementToComponent);\r
+        if (config != null) result.add(config);\r
+        config = graph.getPossibleObject(element, MOD.DiagramConnectionToConnection);\r
+        if (config != null) result.add(config);\r
+        return result;\r
+       \r
+    }\r
+    \r
+    @Override\r
+    public DocumentResult calculateStyle(ReadGraph graph, Resource runtimeDiagram, Resource entry, Resource element, Variable configuration) throws DatabaseException {\r
+       \r
+        DocumentResource DOC = DocumentResource.getInstance(graph);\r
+        for(Resource r : getContexts(graph, element)) {\r
+               if(graph.hasStatement(r, DOC.HasDocumentation)) {\r
+                AffineTransform transform = DiagramGraphUtil.getAffineTransform(graph, element);\r
+                       return new DocumentResult(transform);\r
+               }\r
+        }\r
+        \r
+        return null;\r
+        \r
+    }\r
+\r
+    @Override\r
+    public void applyStyleForNode(EvaluationContext observer, INode node, DocumentResult result) {\r
+        if (result == null) {\r
+            ProfileVariables.denyChild(node, "", DECORATION_NODE_NAME);\r
+            return;\r
+        }\r
+\r
+        SVGNode svgNode = ProfileVariables.claimChild(node, "", DECORATION_NODE_NAME, DecorationSVGNode.class, observer);\r
+\r
+        Rectangle2D bounds = NodeUtil.getLocalBounds(node, Decoration.class);\r
+\r
+        double tx = bounds.getX();\r
+        double ty = bounds.getY();\r
+        double h = bounds.getHeight();\r
+        \r
+        svgNode.setZIndex( Integer.MAX_VALUE );\r
+        svgNode.setTransform( AffineTransform.getTranslateInstance(tx, ty+h) ); \r
+        svgNode.setData(Activator.DOCUMENT_SVG_TEXT);\r
+\r
+    }\r
+\r
+    @Override\r
+    protected void cleanupStyleForNode(INode node) {\r
+        ProfileVariables.denyChild(node, "", DECORATION_NODE_NAME);\r
+    }\r
+\r
+    @Override\r
+    public String toString() {\r
+        return "Document decoration";\r
+    }\r
+\r
+}\r
+\r
+/**\r
+ * This is needed to keep the issue decoration up-to-date when its parent\r
+ * element moves.\r
+ */\r
+class DocumentResult extends Tuple {\r
+    public DocumentResult(AffineTransform transform) {\r
+        super(transform);\r
+    }\r
+}\r