Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.diagram / src / org / simantics / diagram / profile / TextStyle.java

diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/profile/TextStyle.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/profile/TextStyle.java
new file mode 100644 (file)
index 0000000..5a5445f
--- /dev/null
+++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/profile/TextStyle.java
@@ -0,0 +1,159 @@
+/*******************************************************************************\r
+ * Copyright (c) 2011 Association for Decentralized Information Management in\r
+ * 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.profile;\r
+\r
+import java.awt.Font;\r
+import java.awt.geom.AffineTransform;\r
+import java.awt.geom.Rectangle2D;\r
+\r
+import org.simantics.common.color.Color;\r
+import org.simantics.databoard.Bindings;\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.elements.TextNode;\r
+import org.simantics.diagram.synchronization.graph.DiagramGraphUtil;\r
+import org.simantics.g2d.utils.Alignment;\r
+import org.simantics.modeling.ModelingResources;\r
+import org.simantics.scenegraph.INode;\r
+import org.simantics.scenegraph.profile.EvaluationContext;\r
+import org.simantics.scenegraph.profile.common.ProfileVariables;\r
+import org.simantics.scenegraph.utils.GeometryUtils;\r
+import org.simantics.scenegraph.utils.NodeUtil;\r
+import org.simantics.ui.colors.Colors;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ * @author Marko Luukkainen\r
+ */\r
+public abstract class TextStyle extends StyleBase<MonitorTextResult> {\r
+\r
+    private final Font  FONT             = Font.decode("Arial 12");\r
+    private final java.awt.Color BACKGROUND_COLOR = new java.awt.Color(255, 255, 255, 192);\r
+\r
+    protected double xOffset;\r
+    protected double yOffset;\r
+\r
+    public TextStyle() {\r
+        this(0.0, -2.2);\r
+    }\r
+\r
+    public TextStyle(double xOffset, double yOffset) {\r
+        this.xOffset = xOffset;\r
+        this.yOffset = yOffset;\r
+    }\r
+\r
+    public abstract Resource getPropertyRelation(ReadGraph g, Resource module);\r
+\r
+    /**\r
+     * @return the name of the scene graph node to create to represent the text\r
+     *         element created by this style\r
+     */\r
+    public abstract String getNodeName();\r
+\r
+    /**\r
+     * Override to customize.\r
+     * \r
+     * @param graph\r
+     * @param element\r
+     * @return\r
+     * @throws DatabaseException\r
+     */\r
+    protected Resource getConfigurationComponent(ReadGraph graph, Resource element) throws DatabaseException {\r
+        ModelingResources mr = ModelingResources.getInstance(graph);\r
+        Resource config = graph.getPossibleObject(element, mr.ElementToComponent);\r
+        return config;\r
+    }\r
+\r
+    /**\r
+     * Override to customize.\r
+     * \r
+     * @param graph\r
+     * @param element\r
+     * @return\r
+     * @throws DatabaseException\r
+     */\r
+    protected String getConfigurationComponentNameForElement(ReadGraph graph, Resource element) throws DatabaseException {\r
+        Resource config = getConfigurationComponent(graph, element);\r
+        if (config == null)\r
+            return null;\r
+        String name = graph.getPossibleRelatedValue(config, getPropertyRelation(graph,element), Bindings.STRING);\r
+        return name;\r
+    }\r
+\r
+    public AffineTransform getTransform(AffineTransform parentTransform, Rectangle2D elementBounds, int location) {\r
+        double scale = GeometryUtils.getScale(parentTransform);\r
+\r
+        AffineTransform at = AffineTransform.getTranslateInstance(\r
+                parentTransform.getTranslateX() + elementBounds.getCenterX() * scale + xOffset,\r
+                parentTransform.getTranslateY() + elementBounds.getMinY() * scale + yOffset*location\r
+        );\r
+        at.scale(0.15, 0.15);\r
+\r
+        return at;\r
+    }\r
+\r
+    @Override\r
+    public MonitorTextResult calculateStyle(ReadGraph graph, Resource runtimeDiagram, Resource entry, Resource element, Variable configuration)\r
+    throws DatabaseException {\r
+        String name = getConfigurationComponentNameForElement(graph, element);\r
+        if (name == null)\r
+            return null;\r
+        AffineTransform transform = DiagramGraphUtil.getAffineTransform(graph, element);\r
+        return new MonitorTextResult(name, transform);\r
+    }\r
+\r
+    @Override\r
+    public void applyStyleForNode(EvaluationContext observer, INode _node, MonitorTextResult result) {\r
+        String value = result != null ? result.getText() : null;\r
+        if (value != null && !value.isEmpty() && !value.trim().isEmpty()) {\r
+\r
+            TextNode node = ProfileVariables.claimChild(_node, "", getNodeName(), TextNode.class, observer);\r
+            if (node == null)\r
+                return;\r
+\r
+            Integer location = observer.getTemporaryProperty(_node, "location");\r
+            if(location == null) location = 1;\r
+\r
+            Rectangle2D bounds = NodeUtil.getLocalElementBounds(_node); \r
+//            Rectangle2D elementBounds = _node.getElementUtils.getElementBounds(element);\r
+            AffineTransform at = getTransform(result.getParentTransform(), bounds, location);\r
+\r
+            Color color = result.getColor();\r
+\r
+            observer.setTemporaryProperty(_node, "location", location+1);\r
+\r
+            node.setTransform(at);\r
+            node.setHorizontalAlignment((byte) Alignment.CENTER.ordinal());\r
+            node.setZIndex(3000);\r
+            if(color != null) node.setColor(Colors.awt(color));\r
+            else node.setColor(java.awt.Color.DARK_GRAY);\r
+\r
+            node.setEditable(false);\r
+            node.setFont(FONT);\r
+            node.setText(value);\r
+\r
+            node.setBackgroundColor(BACKGROUND_COLOR);\r
+//            node.setBorderColor(Color.LIGHT_GRAY);\r
+//            node.setBorderWidth(1.0f);\r
+        } else {\r
+            cleanupStyleForNode(observer, _node);\r
+        }\r
+    }\r
+\r
+    @Override\r
+    protected void cleanupStyleForNode(EvaluationContext observer, INode node) {\r
+        ProfileVariables.denyChild(node, "", getNodeName());\r
+    }\r
+\r
+}\r