Text elements don't allow to change a name to a name that already exists

git-svn-id: https://www.simantics.org/svn/simantics/sysdyn/trunk@14752 ac1ea38d-2e2b-0410-8846-a27921b304fc

diff --git a/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/elements/TextElement.java b/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/elements/TextElement.java
index 5f8404c3d3adc3582e20b542ae226e4dede4e5ac..8586a66c4c9ad46ba1cb0891286639a53e7be705 100644 (file)
--- a/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/elements/TextElement.java
+++ b/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/elements/TextElement.java
@@ -5,12 +5,14 @@ import java.awt.Font;
 import java.awt.font.FontRenderContext;\r
 import java.awt.geom.AffineTransform;\r
 import java.awt.geom.Rectangle2D;\r
+import java.util.List;\r
 \r
 import org.simantics.db.ReadGraph;\r
 import org.simantics.db.Resource;\r
 import org.simantics.db.exception.DatabaseException;\r
 import org.simantics.h2d.action.IAction;\r
 import org.simantics.h2d.editor.IDiagramEditor;\r
+import org.simantics.h2d.element.IElement;\r
 import org.simantics.h2d.element.handler.Connectable;\r
 import org.simantics.h2d.element.handler.Movable;\r
 import org.simantics.h2d.event.ClickEvent;\r
@@ -27,11 +29,11 @@ import org.simantics.sysdyn.SysdynResource;
 \r
 @GraphType("http://www.simantics.org/Sysdyn#Auxiliary")\r
 public class TextElement extends RectangularElement implements Movable, Connectable, IEventHandler {\r
-       \r
-       static final Font FONT = new Font("sans-serif", Font.PLAIN, 12);\r
-       static final double FONT_SCALE = 0.3;\r
-       static final AffineTransform FONT_TRANSFORM = new AffineTransform(FONT_SCALE, 0.0, 0.0, FONT_SCALE, 0.0, 0.0);\r
-       \r
+\r
+    static final Font FONT = new Font("sans-serif", Font.PLAIN, 12);\r
+    static final double FONT_SCALE = 0.3;\r
+    static final AffineTransform FONT_TRANSFORM = new AffineTransform(FONT_SCALE, 0.0, 0.0, FONT_SCALE, 0.0, 0.0);\r
+\r
     static final double XPADDING = 4.0;\r
     static final double YPADDING = 2.0;\r
     static final FontRenderContext FRC = new FontRenderContext(FONT_TRANSFORM, true, true);\r
@@ -39,54 +41,54 @@ public class TextElement extends RectangularElement implements Movable, Connecta
     // Properties\r
     @RelatedValue("http://www.vtt.fi/Simantics/Layer0/1.0/Relations#HasName")\r
     public String label = "Unnamed";\r
-    \r
+\r
     @RelatedValue("http://www.vtt.fi/Simantics/Layer0/1.0/Relations#HasType")\r
     public String type = "Real";\r
-    \r
-       // Auxiliary fields\r
-       double textX;\r
-       double textY;\r
-       \r
-       TextNode textNode;\r
-       \r
-       public TextElement() {  \r
-       }\r
-       \r
-       public double getTextDeltaX() {\r
-               return 0.0;\r
-       }\r
-       \r
-       public double getTextDeltaY() {\r
-               return 0.0;\r
-       }\r
-       \r
-       public TextElement(String label, double x, double y) {\r
-               this.label = label;\r
-               this.posX = x;\r
-               this.posY = y;\r
-       }\r
-\r
-       @Override\r
-       public void remove() {\r
-               textNode.remove();\r
-               super.remove();\r
-       }\r
-\r
-       @Override\r
-       public void init(G2DParentNode parent) {\r
-               textNode = parent.addNode(TextNode.class);\r
-               update();\r
-       }\r
-       \r
-       protected void updateText() {\r
-           Rectangle2D textBounds = FONT.getStringBounds(label, FRC);\r
+\r
+    // Auxiliary fields\r
+    double textX;\r
+    double textY;\r
+\r
+    TextNode textNode;\r
+\r
+    public TextElement() {     \r
+    }\r
+\r
+    public double getTextDeltaX() {\r
+        return 0.0;\r
+    }\r
+\r
+    public double getTextDeltaY() {\r
+        return 0.0;\r
+    }\r
+\r
+    public TextElement(String label, double x, double y) {\r
+        this.label = label;\r
+        this.posX = x;\r
+        this.posY = y;\r
+    }\r
+\r
+    @Override\r
+    public void remove() {\r
+        textNode.remove();\r
+        super.remove();\r
+    }\r
+\r
+    @Override\r
+    public void init(G2DParentNode parent) {\r
+        textNode = parent.addNode(TextNode.class);\r
+        update();\r
+    }\r
+\r
+    protected void updateText() {\r
+        Rectangle2D textBounds = FONT.getStringBounds(label, FRC);\r
         textBounds.setFrame(\r
                 textBounds.getX()*FONT_SCALE,\r
                 textBounds.getY()*FONT_SCALE,\r
                 textBounds.getWidth()*FONT_SCALE,\r
                 textBounds.getHeight()*FONT_SCALE\r
-                );\r
-        \r
+        );\r
+\r
         textX = posX+getTextDeltaX()-textBounds.getCenterX();\r
         textY = posY+getTextDeltaY()-textBounds.getCenterY();\r
         bounds.setFrame(\r
@@ -94,80 +96,91 @@ public class TextElement extends RectangularElement implements Movable, Connecta
                 posY+getTextDeltaY()-textBounds.getHeight()*0.5-YPADDING,\r
                 textBounds.getWidth()+XPADDING*2,\r
                 textBounds.getHeight()+YPADDING*2\r
-                );      \r
-    \r
+        );      \r
+\r
         if(textNode != null) {\r
             textNode.init(label, FONT, hasEquation ? Color.BLACK : Color.RED, \r
                     textX, textY, FONT_SCALE);\r
             oldHasEquation = hasEquation;\r
         }\r
-       }\r
-       \r
-       protected void update() {\r
-               updateText();           \r
-               fireElementUpdated();\r
-       }\r
-\r
-       class TextEditingAction implements IAction, ITextListener {\r
-               \r
-               String oldText;\r
-               IDiagramEditor editor;\r
+    }\r
+\r
+    protected void update() {\r
+        updateText();          \r
+        fireElementUpdated();\r
+    }\r
+\r
+    class TextEditingAction implements IAction, ITextListener {\r
+\r
+        String oldText;\r
+        IDiagramEditor editor;\r
 \r
         public TextEditingAction(IDiagramEditor editor) {\r
-                       super();\r
-                       this.editor = editor;\r
-               }\r
+            super();\r
+            this.editor = editor;\r
+        }\r
 \r
-               @Override\r
+        @Override\r
         public void init(G2DParentNode parent) {\r
-               oldText = textNode.getText();\r
-               textNode.setEditMode(true);      \r
-               textNode.setTextListener(this);\r
+            oldText = textNode.getText();\r
+            textNode.setEditMode(true);      \r
+            textNode.setTextListener(this);\r
             /*textFieldNode = parent.addNode(TextFieldNode.class);\r
             textFieldNode.init(10.0, 10.0);*/\r
         }\r
 \r
         @Override\r
         public void remove() {\r
-               textNode.setEditMode(false);\r
-               textNode.setTextListener(null);\r
+            textNode.setEditMode(false);\r
+            textNode.setTextListener(null);\r
             //textFieldNode.remove();            \r
         }\r
 \r
         @Override\r
         public boolean handle(IDiagramEditor editor, IEvent _event) {\r
-               if(_event instanceof KeyboardEvent) {\r
+            if(_event instanceof KeyboardEvent) {\r
                 KeyboardEvent event = (KeyboardEvent)_event;\r
                 if(event.key.equals("Escape")) {\r
-                       label = oldText;\r
-                       update();\r
-                       editor.removeAction(this);  \r
+                    label = oldText;\r
+                    update();\r
+                    editor.removeAction(this);  \r
                     editor.requestRepaint();                   \r
                 }\r
                 else if(event.key.equals("Enter"))\r
-                       editor.removeAction(this);\r
+                    editor.removeAction(this);\r
                 return true;\r
             }\r
-               else if(_event instanceof ClickEvent) {\r
-                       editor.removeAction(this);\r
-               }\r
-               return false;\r
+            else if(_event instanceof ClickEvent) {\r
+                List<IElement> elements = editor.getDiagram().getElements();\r
+                for(IElement e : elements) {\r
+                    if(e instanceof TextElement) {\r
+                        TextElement t = (TextElement) e;\r
+                        if(t != TextElement.this && t.label.equals(textNode.getText())) {\r
+                            label = oldText;\r
+                            update();\r
+                            editor.requestRepaint();     \r
+                        }\r
+                    }\r
+                }\r
+                editor.removeAction(this);\r
+            }\r
+            return false;\r
         }\r
 \r
-               @Override\r
-               public void textChanged() {\r
-                       label = textNode.getText();\r
+        @Override\r
+        public void textChanged() {\r
+            label = textNode.getText();\r
             update();\r
             editor.requestRepaint();\r
-               }\r
-           \r
-       }\r
-       \r
-       public void beginRenameAction(IDiagramEditor editor) {\r
-               editor.addAction(new TextEditingAction(editor));\r
-       }\r
-\r
-       @Override\r
+        }\r
+\r
+    }\r
+\r
+    public void beginRenameAction(IDiagramEditor editor) {\r
+        editor.addAction(new TextEditingAction(editor));\r
+    }\r
+\r
+    @Override\r
     public boolean handle(IDiagramEditor editor, IEvent _event) {\r
         if(_event instanceof KeyboardEvent) {\r
             KeyboardEvent event = (KeyboardEvent)_event;\r
@@ -179,10 +192,10 @@ public class TextElement extends RectangularElement implements Movable, Connecta
         return false;\r
     }  \r
 \r
-       boolean oldHasEquation = false;\r
-       boolean hasEquation = false;\r
-       \r
-       @UpdateMethod\r
+    boolean oldHasEquation = false;\r
+    boolean hasEquation = false;\r
+\r
+    @UpdateMethod\r
     boolean readHasExpression(ReadGraph g, Resource resource) {\r
         SysdynResource sr = SysdynResource.getInstance(g);\r
         try {\r