Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.diagram / src / org / simantics / diagram / adapter / TextElementClassFactory.java

diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/TextElementClassFactory.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/TextElementClassFactory.java
new file mode 100644 (file)
index 0000000..ce76b23
--- /dev/null
+++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/TextElementClassFactory.java
@@ -0,0 +1,143 @@
+/*******************************************************************************\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.diagram.adapter;\r
+\r
+import java.awt.geom.AffineTransform;\r
+import java.awt.geom.Rectangle2D;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.utils.NameUtils;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.diagram.G2DUtils;\r
+import org.simantics.diagram.elements.ElementPropertySetter;\r
+import org.simantics.diagram.elements.MonitorClass;\r
+import org.simantics.diagram.elements.ResizeRectangularSceneGraph;\r
+import org.simantics.diagram.elements.TextElementHandler;\r
+import org.simantics.diagram.stubs.DiagramResource;\r
+import org.simantics.diagram.stubs.G2DResource;\r
+import org.simantics.diagram.synchronization.CompositeHintSynchronizer;\r
+import org.simantics.diagram.synchronization.IHintSynchronizer;\r
+import org.simantics.diagram.synchronization.SynchronizationHints;\r
+import org.simantics.diagram.synchronization.graph.DiagramGraphUtil;\r
+import org.simantics.diagram.synchronization.graph.TextSynchronizer;\r
+import org.simantics.diagram.synchronization.graph.TransformSynchronizer;\r
+import org.simantics.g2d.canvas.ICanvasContext;\r
+import org.simantics.g2d.diagram.IDiagram;\r
+import org.simantics.g2d.element.ElementClass;\r
+import org.simantics.g2d.element.ElementHints;\r
+import org.simantics.g2d.element.ElementUtils;\r
+import org.simantics.g2d.element.IElement;\r
+import org.simantics.g2d.element.handler.Text;\r
+import org.simantics.g2d.element.handler.impl.DefaultTransform;\r
+import org.simantics.g2d.element.handler.impl.SimpleElementLayers;\r
+import org.simantics.g2d.element.handler.impl.StaticObjectAdapter;\r
+import org.simantics.g2d.element.handler.impl.StaticSymbolImpl;\r
+import org.simantics.g2d.element.handler.impl.TextColorImpl;\r
+import org.simantics.g2d.element.handler.impl.TextFontImpl;\r
+import org.simantics.g2d.image.DefaultImages;\r
+import org.simantics.g2d.image.Image;\r
+import org.simantics.g2d.svg.SVGImage;\r
+import org.simantics.g2d.utils.Alignment;\r
+\r
+\r
+/**\r
+ * Element(Class)Factory for TextElements\r
+ * \r
+ * @author Marko Luukkainen <marko.luukkainen@vtt.fi>\r
+ *\r
+ */\r
+public class TextElementClassFactory extends SyncElementFactory {\r
+\r
+    public static final ElementFactory INSTANCE = new TextElementClassFactory();\r
+\r
+    public static final IHintSynchronizer TEXT_SYNCHRONIZER = new CompositeHintSynchronizer(TextSynchronizer.INSTANCE, TransformSynchronizer.INSTANCE);\r
+\r
+    public static final ElementPropertySetter RESIZE_PROPERTY_SETTER =\r
+            new ElementPropertySetter(ResizeRectangularSceneGraph.KEY_SG_NODE);\r
+    \r
+    @Override\r
+    public ElementClass create(ReadGraph graph, ICanvasContext canvas, IDiagram diagram, Resource elementType) throws DatabaseException {\r
+        String id = "TextElement: " + NameUtils.getSafeName(graph, elementType);\r
+        G2DResource g2d = G2DResource.getInstance(graph);\r
+        String svgDoc = graph.getPossibleRelatedValue(elementType, g2d.HasSVGDocument);\r
+        Image image = null;\r
+        if (svgDoc != null)\r
+            image = new SVGImage(id+".svg", svgDoc);\r
+        else\r
+            image = DefaultImages.ERROR_DECORATOR.get();\r
+        return ElementClass.compile(\r
+                Text.INSTANCE,\r
+                TextColorImpl.BLACK,\r
+                TextFontImpl.DEFAULT,\r
+                new StaticObjectAdapter(elementType),\r
+                DefaultTransform.INSTANCE,\r
+                SimpleElementLayers.INSTANCE,\r
+                TextElementHandler.INSTANCE,\r
+                ResizeRectangularSceneGraph.INSTANCE,\r
+                RESIZE_PROPERTY_SETTER,                \r
+                new StaticSymbolImpl(image)\r
+        )\r
+        .setId(id)\r
+        ;\r
+    }\r
+\r
+    @Override\r
+    public void load(ReadGraph graph, ICanvasContext canvas, IDiagram diagram, Resource element, IElement e) throws DatabaseException {\r
+        G2DResource G2D = G2DResource.getInstance(graph);\r
+        DiagramResource DIA = DiagramResource.getInstance(graph);\r
+\r
+        String text = (String) graph.getPossibleRelatedValue(element, DIA.HasText);\r
+        if (text == null)\r
+               text = ElementUtils.getText(e);\r
+        if (text == null)\r
+            text = "[empty]";\r
+        ElementUtils.setText(e, text);\r
+\r
+        if (graph.isInstanceOf(element, DIA.FontProvider)) {\r
+            Resource fontResource = graph.getPossibleObject(element, G2D.HasFont);\r
+            if (fontResource != null)\r
+                ElementUtils.setTextFont(e, G2DUtils.getFont(graph, fontResource));\r
+        }\r
+        if (graph.isInstanceOf(element, DIA.ColorProvider)) {\r
+            Resource colorResource = graph.getPossibleObject(element, G2D.HasColor);\r
+            if (colorResource != null)\r
+                ElementUtils.setTextColor(e, G2DUtils.getColor(graph, colorResource));\r
+        }\r
+\r
+        // Load alignments\r
+        Resource hAlign = graph.getPossibleObject(element, G2D.HasHorizontalAlignment);\r
+        Resource vAlign = graph.getPossibleObject(element, G2D.HasVerticalAlignment);\r
+        if (hAlign != null)\r
+            e.setHint(ElementHints.KEY_HORIZONTAL_ALIGN, DiagramGraphUtil.toAlignment(hAlign, G2D, Alignment.LEADING));\r
+        if (vAlign != null)\r
+            e.setHint(ElementHints.KEY_VERTICAL_ALIGN, DiagramGraphUtil.toVerticalAlignment(vAlign, G2D, Alignment.BASELINE));\r
+\r
+        // Load border\r
+        final Float borderWidth = graph.getPossibleRelatedValue(element, G2D.HasStrokeWidth);\r
+        if (borderWidth != null)\r
+            e.setHint(MonitorClass.KEY_BORDER_WIDTH, borderWidth.doubleValue());\r
+\r
+        // Load transform\r
+        AffineTransform at = DiagramGraphUtil.getAffineTransform(graph, element);\r
+        ElementUtils.setTransform(e, at);\r
+\r
+        // This synchronizes only text and transformation (not font and color)\r
+        e.setHint(SynchronizationHints.HINT_SYNCHRONIZER, TEXT_SYNCHRONIZER);\r
+        \r
+        double bounds[] = DiagramGraphUtil.getPossibleRelatedDoubleArray(graph, element, G2D.HasBounds);\r
+        if (bounds != null) {\r
+            e.setHint(ElementHints.KEY_BOUNDS, new Rectangle2D.Double(bounds[0], bounds[1], bounds[2], bounds[3]));\r
+        }\r
+    }\r
+\r
+}\r