X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.modeling.ui%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2Fui%2Fdiagram%2Fstyle%2FSymbolTerminalNameStyle.java;fp=bundles%2Forg.simantics.modeling.ui%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2Fui%2Fdiagram%2Fstyle%2FSymbolTerminalNameStyle.java;h=f98e8299c32a5e375fd53a8524e6680ec3e78df5;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagram/style/SymbolTerminalNameStyle.java b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagram/style/SymbolTerminalNameStyle.java
new file mode 100644
index 000000000..f98e8299c
--- /dev/null
+++ b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagram/style/SymbolTerminalNameStyle.java
@@ -0,0 +1,134 @@
+/*******************************************************************************
+ * 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.diagram.style;
+
+import java.awt.Color;
+import java.awt.Font;
+import java.awt.geom.AffineTransform;
+
+import org.simantics.databoard.Bindings;
+import org.simantics.datatypes.literal.Vec2d;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.variable.Variable;
+import org.simantics.diagram.elements.TextNode;
+import org.simantics.diagram.profile.StyleBase;
+import org.simantics.diagram.synchronization.graph.DiagramGraphUtil;
+import org.simantics.g2d.utils.Alignment;
+import org.simantics.layer0.Layer0;
+import org.simantics.modeling.ModelingResources;
+import org.simantics.scenegraph.INode;
+import org.simantics.scenegraph.g2d.IG2DNode;
+import org.simantics.scenegraph.g2d.nodes.SingleElementNode;
+import org.simantics.scenegraph.profile.EvaluationContext;
+import org.simantics.scenegraph.profile.common.ProfileVariables;
+import org.simantics.scenegraph.utils.NodeUtil;
+import org.simantics.utils.datastructures.map.Tuple;
+
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class SymbolTerminalNameStyle extends StyleBase<SymbolNameResult> {
+
+    static final Font FONT = Font.decode("Arial 6");
+
+    private static final String NODE_NAME = "terminalName";
+
+    /**
+     * Must override the StyleBase implementation because terminals do not
+     * depend on runtime variable. They need to be shown regardless of variable
+     * existence.
+     */
+    @Override
+    public SymbolNameResult calculateStyle(ReadGraph graph, Resource runtimeDiagram, Resource entry, Resource groupItem) throws DatabaseException {
+        return calculateStyle(graph, runtimeDiagram, entry, groupItem, null);
+    }
+
+    @Override
+    public SymbolNameResult calculateStyle(ReadGraph graph, Resource runtimeDiagram, Resource entry, Resource element, Variable configuration) throws DatabaseException {
+
+        AffineTransform transform = DiagramGraphUtil.getAffineTransform(graph, element);
+
+        Layer0 L0 = Layer0.getInstance(graph);
+        ModelingResources MOD = ModelingResources.getInstance(graph);
+
+        Resource binds = DiagramGraphUtil.getPossibleConnectionPointOfTerminal(graph, element);
+        if (binds == null)
+            return null;
+
+        Resource conn = graph.getPossibleObject(binds, MOD.DiagramConnectionRelationToConnectionRelation);
+        String name = graph.getPossibleRelatedValue(conn, L0.HasName, Bindings.STRING);
+        if (conn == null || name == null)
+            return null;
+
+        return new SymbolNameResult(name, transform);
+
+    }
+
+    private AffineTransform translateAndScaleIfNeeded(AffineTransform tr, Vec2d offset, double scale) {
+    	if(!offset.isZero() || scale != 1.0) {
+    		tr = new AffineTransform(tr);
+    		tr.translate(offset.x, offset.y);
+    		tr.scale(scale, scale);
+    	}
+    	return tr;
+    }
+    
+    private AffineTransform getSymbolTransform(INode node, Vec2d offset, double size) {
+    	if(node instanceof SingleElementNode) {
+    		SingleElementNode s = (SingleElementNode)node;
+    		INode symbol = NodeUtil.findChildByPrefix(s, "composite_image"); 
+        	return translateAndScaleIfNeeded(symbol != null ? ((IG2DNode)symbol).getTransform() : new AffineTransform(), offset, size);
+    	}
+    	return null;
+    }
+    
+    @Override
+    public void applyStyleForNode(EvaluationContext observer, INode _node, SymbolNameResult result) {
+    	
+        if (result == null) {
+            ProfileVariables.denyChild(_node, "", NODE_NAME);
+            return;
+        }
+
+        TextNode node = ProfileVariables.claimChild(_node, "", NODE_NAME, TextNode.class, observer);
+
+        node.setZIndex( Integer.MAX_VALUE );
+        node.setTransform( getSymbolTransform(_node, new Vec2d(0, -1), 0.08) ); 
+        node.setText(result.getName());
+        node.setHorizontalAlignment((byte)Alignment.CENTER.ordinal());
+        node.setBackgroundColor(Color.WHITE);
+        node.setPadding(0.2, 0);
+        
+    }
+
+    @Override
+    protected void cleanupStyleForNode(INode node) {
+        ProfileVariables.denyChild(node, "", NODE_NAME);
+    }
+
+}
+
+/**
+ * This is needed to keep the issue decoration up-to-date when its parent
+ * element moves.
+ */
+class SymbolNameResult extends Tuple {
+    public SymbolNameResult(String name, AffineTransform transform) {
+        super(name, transform);
+    }
+    public String getName() {
+        return (String) getField(0);
+    }
+}