]> gerrit.simantics Code Review - simantics/platform.git/blobdiff - bundles/org.simantics.g2d/src/org/simantics/g2d/example/TestCanvas.java
Migrated source code from Simantics SVN
[simantics/platform.git] / bundles / org.simantics.g2d / src / org / simantics / g2d / example / TestCanvas.java
diff --git a/bundles/org.simantics.g2d/src/org/simantics/g2d/example/TestCanvas.java b/bundles/org.simantics.g2d/src/org/simantics/g2d/example/TestCanvas.java
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+/*******************************************************************************\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.g2d.example;\r
+\r
+import java.awt.Color;\r
+import java.awt.Shape;\r
+import java.awt.geom.Ellipse2D;\r
+import java.awt.geom.Rectangle2D;\r
+import java.util.ArrayList;\r
+import java.util.List;\r
+\r
+import org.simantics.g2d.canvas.Hints;\r
+import org.simantics.g2d.canvas.ICanvasContext;\r
+import org.simantics.g2d.canvas.impl.CanvasContext;\r
+import org.simantics.g2d.diagram.DiagramClass;\r
+import org.simantics.g2d.diagram.DiagramHints;\r
+import org.simantics.g2d.diagram.IDiagram;\r
+import org.simantics.g2d.diagram.handler.Topology;\r
+import org.simantics.g2d.diagram.handler.Validator;\r
+import org.simantics.g2d.diagram.handler.Topology.Terminal;\r
+import org.simantics.g2d.diagram.handler.Validator.Issue;\r
+import org.simantics.g2d.diagram.handler.Validator.Suggestion;\r
+import org.simantics.g2d.diagram.impl.Diagram;\r
+import org.simantics.g2d.diagram.impl.DummyDiagramMutator;\r
+import org.simantics.g2d.diagram.participant.DiagramParticipant;\r
+import org.simantics.g2d.diagram.participant.ElementHeartbeater;\r
+import org.simantics.g2d.diagram.participant.ElementInteractor;\r
+import org.simantics.g2d.diagram.participant.ElementPainter;\r
+import org.simantics.g2d.diagram.participant.Selection;\r
+import org.simantics.g2d.diagram.participant.TerminalPainter;\r
+import org.simantics.g2d.diagram.participant.ZOrderHandler;\r
+import org.simantics.g2d.diagram.participant.pointertool.PointerInteractor;\r
+import org.simantics.g2d.element.ElementClass;\r
+import org.simantics.g2d.element.ElementClassProviders;\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.FillColor;\r
+import org.simantics.g2d.element.handler.Move;\r
+import org.simantics.g2d.element.handler.ParentTransform;\r
+import org.simantics.g2d.element.handler.Resize;\r
+import org.simantics.g2d.element.handler.TerminalTopology;\r
+import org.simantics.g2d.element.handler.Text;\r
+import org.simantics.g2d.element.handler.EdgeVisuals.EdgeEnd;\r
+import org.simantics.g2d.element.handler.impl.ElementParentTransform;\r
+import org.simantics.g2d.element.impl.Element;\r
+import org.simantics.g2d.elementclass.BoxClass;\r
+import org.simantics.g2d.elementclass.FilmClass;\r
+import org.simantics.g2d.elementclass.FlagClass;\r
+import org.simantics.g2d.elementclass.ImageClass;\r
+import org.simantics.g2d.elementclass.LabelClass;\r
+import org.simantics.g2d.elementclass.ShapeClass;\r
+import org.simantics.g2d.elementclass.button.ButtonClass;\r
+import org.simantics.g2d.elementclass.button.ToggleButtonClass;\r
+import org.simantics.g2d.elementclass.canvas.CanvasClass;\r
+import org.simantics.g2d.elementclass.canvas.ElementViewport;\r
+import org.simantics.g2d.elementclass.connection.EdgeClass;\r
+import org.simantics.g2d.elementclass.slider.SliderClass;\r
+import org.simantics.g2d.elementclass.valve.ValveClass;\r
+import org.simantics.g2d.elementclass.wheel.WheelClass;\r
+import org.simantics.g2d.image.DefaultImages;\r
+import org.simantics.g2d.image.Image;\r
+import org.simantics.g2d.multileveldiagram.LayerComposition;\r
+import org.simantics.g2d.multileveldiagram.TransitionFunction;\r
+import org.simantics.g2d.multileveldiagram.ZoomTransitionParticipant;\r
+import org.simantics.g2d.multileveldiagram.LayerComposition.LayerInfo;\r
+import org.simantics.g2d.participant.BackgroundPainter;\r
+import org.simantics.g2d.participant.CanvasBoundsParticipant;\r
+import org.simantics.g2d.participant.CanvasGrab;\r
+import org.simantics.g2d.participant.GridPainter;\r
+import org.simantics.g2d.participant.KeyToCommand;\r
+import org.simantics.g2d.participant.KeyUtil;\r
+import org.simantics.g2d.participant.MouseUtil;\r
+import org.simantics.g2d.participant.PanZoomRotateHandler;\r
+import org.simantics.g2d.participant.PointerPainter;\r
+import org.simantics.g2d.participant.RulerPainter;\r
+import org.simantics.g2d.participant.SymbolUtil;\r
+import org.simantics.g2d.participant.TimeParticipant;\r
+import org.simantics.g2d.participant.TransformUtil;\r
+import org.simantics.g2d.tooltip.EditableTextTooltipProvider2;\r
+import org.simantics.g2d.tooltip.TextTooltipProvider;\r
+import org.simantics.g2d.tooltip.TooltipParticipant;\r
+import org.simantics.scenegraph.g2d.events.command.CommandKeyBinding;\r
+import org.simantics.utils.datastructures.hints.IHintContext;\r
+import org.simantics.utils.threads.IThreadWorkQueue;\r
+\r
+\r
+\r
+/**\r
+ * @author Toni Kalajainen\r
+ */\r
+public class TestCanvas {\r
+\r
+    public static final Color C1 = new Color(0.7f, 0.7f, 0.7f);\r
+    public static final Color C2 = new Color(0.8f, 0.8f, 0.8f);\r
+    public static final Color C3 = new Color(0.9f, 0.9f, 0.9f);\r
+    public static final Color C4 = new Color(1.0f, 1.0f, 1.0f);\r
+\r
+\r
+    public static CanvasContext createDefaultCanvas(IThreadWorkQueue thread)\r
+    {\r
+        // Create canvas context and a layer of interactors\r
+        CanvasContext canvasContext = new CanvasContext(thread);\r
+        IHintContext h = canvasContext.getDefaultHintContext();\r
+\r
+        canvasContext.add( new PanZoomRotateHandler() ); // Must be before TransformUtil\r
+\r
+        // Support & Util Participants\r
+        canvasContext.add( new TransformUtil() );\r
+        canvasContext.add( new MouseUtil() );\r
+        canvasContext.add( new KeyUtil() );\r
+        canvasContext.add( new CanvasGrab() );\r
+        canvasContext.add( new SymbolUtil() );\r
+        canvasContext.add( new TimeParticipant() );\r
+\r
+        // Debug participant(s)\r
+        //canvasContext.add( new PointerPainter() );\r
+//        canvasContext.add( new HandPainter() );\r
+        h.setHint(PointerPainter.KEY_PAINT_POINTER, true);\r
+\r
+        // Pan & Zoom & Rotate\r
+        //canvasContext.add( new MousePanZoomInteractor() );\r
+        //canvasContext.add( new MultitouchPanZoomRotateInteractor() );\r
+        //canvasContext.add( new OrientationRestorer() );\r
+\r
+        // Grid & Ruler & Background\r
+        canvasContext.add( new GridPainter() );\r
+        canvasContext.add( new RulerPainter() );\r
+        canvasContext.add( new BackgroundPainter() );\r
+\r
+        h.setHint(Hints.KEY_GRID_COLOR, new Color(0.95f, 0.95f, 0.95f));\r
+        h.setHint(Hints.KEY_BACKGROUND_COLOR, Color.WHITE);\r
+        h.setHint(RulerPainter.KEY_RULER_BACKGROUND_COLOR, new Color(0.9f, 0.9f, 0.9f, 0.75f));\r
+        h.setHint(RulerPainter.KEY_RULER_TEXT_COLOR, Color.BLACK);\r
+\r
+        // Key bindings\r
+        canvasContext.add( new KeyToCommand( CommandKeyBinding.DEFAULT_BINDINGS ) );\r
+\r
+        ////// Diagram Participants //////\r
+        // FIXME: PointerInteractor must be given a provider for all element classes defined in class ElementClasses !!\r
+        canvasContext.add( new PointerInteractor(true, true, true, false, true, ElementClassProviders.staticProvider(EdgeClass.STRAIGHT)) );\r
+        canvasContext.add( new ElementInteractor() );\r
+        canvasContext.add( new Selection() );\r
+        canvasContext.add( new DiagramParticipant() );\r
+        canvasContext.add( new ElementPainter() );\r
+        canvasContext.add( new TerminalPainter(true, true, false, true) );\r
+        canvasContext.add( new ElementHeartbeater() );\r
+        canvasContext.add( new ZOrderHandler() );\r
+        canvasContext.add( new ZoomTransitionParticipant(TransitionFunction.SIGMOID) );\r
+        canvasContext.add(new CanvasBoundsParticipant());\r
+\r
+        canvasContext.add( new TooltipParticipant());\r
+\r
+        h.setHint(Hints.KEY_TOOL, Hints.POINTERTOOL);\r
+\r
+\r
+        return canvasContext;\r
+    }\r
+\r
+    public static IDiagram createMultilevelDiagram(ICanvasContext ctx)\r
+    {\r
+        IDiagram loading = LoadingMessageDiagram.createLoadingDiagram();\r
+        IDiagram d1 = createDiagram1();\r
+        IDiagram d2 = createDiagram2();\r
+        IDiagram d3 = createDiagram3();\r
+        validate(d1, ctx);\r
+        validate(d2, ctx);\r
+        validate(d3, ctx);\r
+\r
+        LayerComposition composition = new LayerComposition();\r
+        composition.addLayer(d1, null, 2.0);\r
+        composition.addLayer(d2, 5.0, 7.0);\r
+        composition.addLayer(d3, 10.0, null);\r
+        List<LayerInfo> lis = composition.buildMorphLayers();\r
+        loading.setHint(DiagramHints.KEY_LAYER_COMPOSITION, lis);\r
+        return loading;\r
+    }\r
+\r
+    /**\r
+     * Create diagram editor\r
+     * \r
+     * @param thread\r
+     * @param resource\r
+     * @param localSession\r
+     * @return\r
+     */\r
+    public static CanvasContext createTestCanvas(IThreadWorkQueue thread)\r
+    {\r
+        // Create canvas context and a layer of interactors\r
+        CanvasContext canvasContext = createDefaultCanvas(thread);\r
+        IHintContext h = canvasContext.getDefaultHintContext();\r
+        h.setHint(Hints.KEY_TOOL, Hints.POINTERTOOL);\r
+\r
+        ////// CREATE DIAGRAM //////\r
+        IDiagram wd = createWidgetsDiagram();\r
+//        IDiagram d1 = createDiagram1();\r
+//        IDiagram d2 = createDiagram2();\r
+//        IDiagram d3 = createDiagram3();\r
+//        IDiagram od = createOperationSymbolsDiagram();\r
+//        IDiagram uid = createUIDiagram(ElementUtils.getByData(od, "BoilerBtn"));\r
+        IDiagram uid = createUIDiagram();\r
+//        IDiagram loading = LoadingMessageDiagram.createLoadingDiagram();\r
+\r
+//        validate(d1, canvasContext);\r
+//        validate(d2, canvasContext);\r
+//        validate(d3, canvasContext);\r
+\r
+        /*\r
+        LayerComposition composition = new LayerComposition();\r
+        composition.addLayer(d1, null, 2.0);\r
+        composition.addLayer(d2, 5.0, 7.0);\r
+        composition.addLayer(d3, 10.0, null);\r
+        List<LayerInfo> lis = composition.buildMorphLayers();\r
+        canvasContext.add( new ZoomTransitionParticipant(lis, TransitionFunction.SIGMOID) );\r
+         */\r
+\r
+//        IDiagram d = loading;\r
+        //h.setHint(DiagramHints.KEY_DIAGRAM, d);\r
+        h.setHint(DiagramHints.KEY_DIAGRAM, uid);\r
+\r
+        /*\r
+        final IElement button = ElementUtils.getByData(wd, "button");\r
+        System.out.println(button.getDiagram());\r
+               ElementUtils.addClickListener(button, canvasContext, new ClickListener() {\r
+                       @Override\r
+                       public void onClick(IElement e, ICanvasContext ctx) {\r
+                               Point2D pos = ElementUtils.getPos(button);\r
+                               pos = new Point2D.Double(pos.getX()+10, pos.getY());\r
+                               ElementUtils.setPos(e, pos);\r
+                       }});\r
+         */\r
+\r
+        // Draw UI Layer on top of the diagram\r
+\r
+        /*\r
+               ICanvasContext subCanvas = createDefaultCanvas(canvasContext.getThreadAccess());\r
+               subCanvas.remove( subCanvas.getSingleItem(RulerPainter.class) );\r
+               subCanvas.remove( subCanvas.getSingleItem(BackgroundPainter.class) );\r
+               subCanvas.remove( subCanvas.getSingleItem(GridPainter.class) );\r
+               subCanvas.remove( subCanvas.getSingleItem(TimeParticipant.class) );\r
+               subCanvas.add( new KeepZoomToFit() );\r
+               subCanvas.getDefaultHintContext().setHint(DiagramHints.KEY_DIAGRAM, uid);\r
+               subCanvas.getDefaultHintContext().setHint(PanZoomRotateHandler.KEY_ZOOM_TO_FIT_MARGINS, MarginUtils.MARINGS5);\r
+               canvasContext.add( new SubCanvas(subCanvas, 10000, RulerPainter.PAINT_PRIORITY + 100, 10000) );\r
+         */\r
+//        ElementDiagram ed = new ElementDiagram(canvasContext) {\r
+//            @Override\r
+//            public ICanvasContext createCanvas(IThreadWorkQueue thread) {\r
+//                ICanvasContext subCanvas = createDefaultCanvas(thread);\r
+//                subCanvas.remove( subCanvas.getSingleItem(RulerPainter.class) );\r
+//                subCanvas.remove( subCanvas.getSingleItem(BackgroundPainter.class) );\r
+//                subCanvas.remove( subCanvas.getSingleItem(GridPainter.class) );\r
+//                subCanvas.remove( subCanvas.getSingleItem(TimeParticipant.class) );\r
+//                subCanvas.add( new KeepZoomToFit() );\r
+//                subCanvas.getDefaultHintContext().setHint(DiagramHints.KEY_MARGINS, MarginUtils.MARGINS5);\r
+//                return subCanvas;\r
+//            }\r
+//        };\r
+//        ed.setDiagram(uid);\r
+\r
+        return canvasContext;\r
+    }\r
+\r
+    public static IDiagram createUIDiagram(IElement forElement)\r
+    {\r
+        String name = "User Interface Diagram";\r
+        IDiagram d = Diagram.spawnNew(DiagramClass.DEFAULT);\r
+        d.setHint(DiagramHints.KEY_TEXT, name);\r
+\r
+        IElement film = Element.spawnNew(FilmClass.FILM_CLASS);\r
+        ElementUtils.fitToRectangle(film, new Rectangle2D.Double(0, 10, 200, 160));\r
+        d.addElement(film);\r
+\r
+        IElement preview = Element.spawnNew(CanvasClass.ELEMENT_VIEWPORT_CLASS);\r
+        preview.setHint(ElementViewport.KEY_ELEMENT, forElement);\r
+        d.addElement(preview);\r
+        ElementUtils.fitToRectangle(preview, new Rectangle2D.Double(10, 20, 60, 60));\r
+        ElementUtils.setBorderColor(preview, Color.WHITE);\r
+\r
+        IElement       cancel  = createButton(d, 10 , 140, 50, 20, "Cancel", "Cancel");\r
+        IElement       apply   = createButton(d, 74 , 140, 50, 20, "Apply", "Apply");\r
+        IElement       ok              = createButton(d, 134, 140, 50, 20, "OK", "OK");\r
+        IElement    toggle  = createToggleButton(d, 10, 110, 50, 20, "Toggle", "Toggle");\r
+\r
+        String         eleName = "?";\r
+        Text           text    = forElement.getElementClass().getAtMostOneItemOfClass(Text.class);\r
+        if (text!=null) eleName = text.getText(forElement);\r
+        IElement       nameLbl = createLabel(d, 10, 90, "nameLbl", eleName);\r
+        ElementUtils.setTextColor(nameLbl, Color.WHITE);\r
+\r
+        d.setHint(DiagramHints.KEY_MUTATOR, new DummyDiagramMutator(d));\r
+\r
+        return d;\r
+    }\r
+\r
+    public static IDiagram createUIDiagram()\r
+    {\r
+        String name = "User Interface Diagram";\r
+        IDiagram d = Diagram.spawnNew(DiagramClass.DEFAULT);\r
+        d.setHint(DiagramHints.KEY_TEXT, name);\r
+\r
+        IElement film = Element.spawnNew(FilmClass.FILM_CLASS);\r
+        ElementUtils.fitToRectangle(film, new Rectangle2D.Double(0, 10, 200, 160));\r
+        d.addElement(film);\r
+\r
+//        IElement preview = Element.spawnNew(CanvasClass.ELEMENT_VIEWPORT_CLASS);\r
+//        preview.setHint(ElementViewport.KEY_ELEMENT, forElement);\r
+//        d.addElement(preview);\r
+//        ElementUtils.fitToRectangle(preview, new Rectangle2D.Double(10, 20, 60, 60));\r
+//        ElementUtils.setBorderColor(preview, Color.WHITE);\r
+\r
+        IElement       cancel  = createButton(d, 10 , 140, 50, 20, "Cancel", "Cancel");\r
+        IElement       apply   = createButton(d, 74 , 140, 50, 20, "Apply", "Apply");\r
+        IElement       ok              = createButton(d, 134, 140, 50, 20, "OK", "OK");\r
+        IElement    toggle  = createToggleButton(d, 10, 110, 50, 20, "Toggle", "Toggle");\r
+\r
+//        String               eleName = "?";\r
+//        Text         text    = forElement.getElementClass().getAtMostOneItemOfClass(Text.class);\r
+//        if (text!=null) eleName = text.getText(forElement);\r
+//        IElement     nameLbl = createLabel(d, 10, 90, "nameLbl", eleName);\r
+//        ElementUtils.setTextColor(nameLbl, Color.WHITE);\r
+        toggle.setHint(TooltipParticipant.TOOLTIP_KEY, new TextTooltipProvider() {\r
+\r
+            @Override\r
+            public String getTooltipText(IElement element) {\r
+                return element.toString();\r
+            }\r
+        });\r
+        apply.setHint(TooltipParticipant.TOOLTIP_KEY, new EditableTextTooltipProvider2() {\r
+\r
+            @Override\r
+            public void setText(IElement element, String text) {\r
+                ElementUtils.setText(element, text);\r
+            }\r
+\r
+            @Override\r
+            public String getTooltipText(IElement element) {\r
+                return ElementUtils.getText(element);\r
+            }\r
+        });\r
+\r
+        d.setHint(DiagramHints.KEY_MUTATOR, new DummyDiagramMutator(d));\r
+\r
+        return d;\r
+    }\r
+\r
+    public static IDiagram createConnectTestDiagram()\r
+    {\r
+        String name = "Diagram";\r
+        IDiagram d = Diagram.spawnNew(DiagramClass.DEFAULT);\r
+        d.setHint(DiagramHints.KEY_TEXT, name);\r
+\r
+        IElement box1 = createBox(d, 0, 0, 70, 70, C4, "1");\r
+        IElement box2 = createBox(d, 120, 0, 80, 70, C4, "2");\r
+        connect(d, box1, 4, box2, 8);\r
+        createLabel(d, 50, 90, "label", name);\r
+\r
+        d.setHint(DiagramHints.KEY_MUTATOR, new DummyDiagramMutator(d));\r
+\r
+        return d;\r
+    }\r
+\r
+    public static IDiagram createAnchorTestDiagram()\r
+    {\r
+        String name = "Diagram";\r
+        IDiagram d = Diagram.spawnNew(DiagramClass.DEFAULT);\r
+        d.setHint(DiagramHints.KEY_TEXT, name);\r
+\r
+        IElement box1 = createBox(d, 0, 0, 70, 70, C4, "1");\r
+        IElement box2 = createBox(d, 120, 0, 80, 70, C4, "2");\r
+        IElement box3 = createBox(d, 30, 90, 40, 40, C3, "3");\r
+\r
+        ElementParentTransform pt = (ElementParentTransform)box3.getElementClass().getSingleItem(ParentTransform.class);\r
+        pt.setParent(box3, box2);\r
+\r
+        connect(d, box1, 4, box2, 8);\r
+        createLabel(d, 50, 90, "label", name);\r
+\r
+        d.setHint(DiagramHints.KEY_MUTATOR, new DummyDiagramMutator(d));\r
+\r
+        return d;\r
+    }\r
+\r
+\r
+    public static IDiagram createFlagTestDiagram()\r
+    {\r
+        String name = "Diagram";\r
+        IDiagram d = Diagram.spawnNew(DiagramClass.DEFAULT);\r
+        d.setHint(DiagramHints.KEY_TEXT, name);\r
+\r
+        IElement e1 = createFlag(d, -100, 0, 0, FlagClass.Type.In, C4, "I3", "From Z");\r
+        IElement e2 = createFlag(d, -80, 20, 90, FlagClass.Type.In, C4, "I2", "From Y");\r
+        IElement e3 = createFlag(d, -100, 40, 180, FlagClass.Type.Out, C4, "I1", "To X");\r
+        IElement e4 = createFlag(d, -120, 20, 270, FlagClass.Type.Out, C4, "I4", "To W");\r
+        IElement e5 = createFlag(d, -120, 120, 270, FlagClass.Type.Out, C4, "I5", "To P");\r
+\r
+        e1.setHint(FlagClass.KEY_FLAG_TEXT, new String[]{"THIS" });\r
+        e2.setHint(FlagClass.KEY_FLAG_TEXT, new String[]{"THIS", "is"});\r
+        e3.setHint(FlagClass.KEY_FLAG_TEXT, new String[]{"THIS", "is", "DEBUG"});\r
+        e4.setHint(FlagClass.KEY_FLAG_TEXT, new String[]{"THIS", "is", "DEBUG", "INFO"});\r
+        e5.setHint(FlagClass.KEY_FLAG_TEXT, new String[]{"THIS", "is", "DEBUG", "INFO", "FOO!"});\r
+\r
+//        createFlag(d, 300, 40, 0, FlagClass.Type.Out, C3, "O3", "To Z", FlagClass.Mode.Minimized);\r
+//        createFlag(d, 280, 20, 90, FlagClass.Type.Out, C3, "O4", "To W", FlagClass.Mode.Minimized);\r
+//        createFlag(d, 300, 00, 180, FlagClass.Type.Out, C3, "O1", "To X", FlagClass.Mode.Minimized);\r
+//        createFlag(d, 320, 20, 270, FlagClass.Type.Out, C3, "O2", "To Y", FlagClass.Mode.Minimized);\r
+\r
+        createFlag(d, 100, 50, 0, FlagClass.Type.Out, C2, "J1O", "O", FlagClass.Mode.Internal);\r
+        createFlag(d, 100, 100, 0, FlagClass.Type.Out, C2, "J2O", "Oy", FlagClass.Mode.Internal);\r
+        createFlag(d, 100, 150, 90, FlagClass.Type.Out, C2, "J3O", "OAAAA", FlagClass.Mode.Internal);\r
+        createFlag(d, 150, 50, 0, FlagClass.Type.In, C2, "J1I", "I", FlagClass.Mode.Internal);\r
+        createFlag(d, 150, 100, 0, FlagClass.Type.In, C2, "J2I", "Iy", FlagClass.Mode.Internal);\r
+        createFlag(d, 150, 150, 90, FlagClass.Type.In, C2, "J3I", "IAAAA", FlagClass.Mode.Internal);\r
+\r
+        d.setHint(DiagramHints.KEY_MUTATOR, new DummyDiagramMutator(d));\r
+\r
+        return d;\r
+    }\r
+\r
+    public static IDiagram createDiagram1()\r
+    {\r
+        String name = "Diagram Level 1";\r
+        IDiagram d = Diagram.spawnNew(DiagramClass.DEFAULT);\r
+        d.setHint(DiagramHints.KEY_TEXT, name);\r
+\r
+        IElement box1 = createBox(d, 0, 0, 70, 70, C4, "1");\r
+        IElement box2 = createBox(d, 120, 0, 80, 70, C4, "2");\r
+        connect(d, box1, 4, box2, 8);\r
+        createLabel(d, 50, 90, "label", name);\r
+\r
+        IElement slider = createSlider(d, 600, 0, 100, 28, "slider");\r
+        IElement valve = createValve (d, 800, 0, "valve");\r
+        //IElement wheel =  createWheel (d, 500, 100, 100, 100, "wheel");\r
+        IElement button = createButton(d, 800, 100, 100, 28, "button", "button");\r
+\r
+        IElement image = createImage(d, 400, 400, DefaultImages.UNKNOWN.get());\r
+\r
+        d.setHint(DiagramHints.KEY_MUTATOR, new DummyDiagramMutator(d));\r
+\r
+        return d;\r
+    }\r
+\r
+\r
+    public static IDiagram createDiagram2()\r
+    {\r
+        String name = "Diagram Level 2";\r
+        IDiagram d = Diagram.spawnNew(DiagramClass.DEFAULT);\r
+        d.setHint(DiagramHints.KEY_TEXT, name);\r
+\r
+        IElement box1  = createBox(d, 0, 30, 70, 10, C3, "1");\r
+        IElement box1_1 = createBox(d, 20, 0, 50, 20, C2, "1.1");\r
+        IElement box1_2 = createBox(d, 0, 50, 70, 20, C2, "1.2");\r
+        IElement box2  = createBox(d, 120, 0, 20, 70, C3, "2");\r
+        IElement box2_2 = createBox(d, 150, 0, 50, 20, C2, "2.2");\r
+        IElement box2_3 = createBox(d, 150, 30, 50, 40, C2, "2.3");\r
+        connect(d, box1, 4, box2, 8);\r
+        connect(d, box1, 2, box1_1, 6);\r
+        connect(d, box1, 6, box1_2, 2);\r
+        connect(d, box2, 4, box2_2, 8);\r
+        connect(d, box2, 4, box2_3, 8);\r
+        createLabel(d, 50, 90, "label", name);\r
+\r
+        d.setHint(DiagramHints.KEY_MUTATOR, new DummyDiagramMutator(d));\r
+\r
+        return d;\r
+    }\r
+\r
+    public static IDiagram createDiagram3()\r
+    {\r
+        String name = "Diagram Level 3";\r
+        IDiagram d = Diagram.spawnNew(DiagramClass.DEFAULT);\r
+        d.setHint(DiagramHints.KEY_TEXT, name);\r
+\r
+        IElement box1          = createBox(d, 0, 30, 70, 10, C3, "1");\r
+        IElement box1_1        = createBox(d, 30, 0, 40, 20, C2, "1.1");\r
+        IElement box1_1_1      = createBox(d, 00, 0, 20, 20, C2, "1.1.1");\r
+        IElement box1_2        = createBox(d, 30, 50, 40, 20, C2, "1.2");\r
+        IElement box1_2_1      = createBox(d, 0, 50, 20, 20, C1, "1.2.1");\r
+        IElement box2          = createBox(d, 120, 30, 20, 40, C3, "2");\r
+        IElement box2_1        = createBox(d, 120, 0, 20, 20, C2, "2.1");\r
+        IElement box2_2        = createBox(d, 150, 0, 20, 20, C2, "2.2");\r
+        IElement box2_2_1      = createBox(d, 180, 0, 20, 20, C1, "2.2.1");\r
+        IElement box2_3        = createBox(d, 150, 30, 20, 20, C2, "2.3");\r
+        IElement box2_3_1      = createBox(d, 180, 30, 20, 20, C1, "2.3.1");\r
+        IElement box2_3_2      = createBox(d, 180, 60, 20, 20, C1, "2.3.2");\r
+        connect(d, box1, 4, box2, 8);\r
+        connect(d, box1, 2, box1_1, 6);\r
+        connect(d, box1_1, 8, box1_1_1, 4);\r
+        connect(d, box1, 6, box1_2, 2);\r
+        connect(d, box1_2, 8, box1_2_1, 4);\r
+        connect(d, box2, 2, box2_1, 6);\r
+        connect(d, box2, 3, box2_2, 7);\r
+        connect(d, box2_2, 4, box2_2_1, 8);\r
+        connect(d, box2, 4, box2_3, 8);\r
+        connect(d, box2_3, 4, box2_3_1, 8);\r
+        connect(d, box2_3, 5, box2_3_2, 1);\r
+        createLabel(d, 50, 90, "label", name);\r
+\r
+        d.setHint(DiagramHints.KEY_MUTATOR, new DummyDiagramMutator(d));\r
+\r
+        return d;\r
+    }\r
+\r
+    public static IDiagram createWidgetsDiagram()\r
+    {\r
+        String name = "Test Diagram";\r
+        IDiagram d = Diagram.spawnNew(DiagramClass.DEFAULT);\r
+        d.setHint(DiagramHints.KEY_TEXT, name);\r
+\r
+        //IElement slider = createSlider(d, 0, 100, 100, 28, "slider");\r
+        IElement valve = createValve (d, 0, 0, "valve");\r
+        //IElement wheel = createWheel(d, 0, 0, 100, 100, "wheel");\r
+        //IElement button = createButton(d, 0, 0, 100, 28, "button", "button");\r
+\r
+        d.setHint(DiagramHints.KEY_MUTATOR, new DummyDiagramMutator(d));\r
+\r
+        return d;\r
+    }\r
+\r
+    public static IDiagram createOperationSymbolsDiagram()\r
+    {\r
+        String name = "Operation Symbols Diagram";\r
+        IDiagram d = Diagram.spawnNew(DiagramClass.DEFAULT);\r
+        d.setHint(DiagramHints.KEY_TEXT, name);\r
+        /*\r
+               createSymbol(d, OperationClasses.BOILER_CLASS, 0, 0, "Boiler");\r
+               createSymbol(d, OperationClasses.COMPRESSOR_CLASS, 50, 0, "Compressor");\r
+               createSymbol(d, OperationClasses.CONTROLVALVE_CLASS, 100, 0, "Control Valve");\r
+               createSymbol(d, OperationClasses.HEATEXCHANGER_CLASS, 0, 50, "HeatExchanger");\r
+               createSymbol(d, OperationClasses.PUMP_CLASS, 50, 50, "Pump");\r
+               createSymbol(d, OperationClasses.SHUTOFFVALVE_CLASS, 100, 50, "Shutoff Valve");\r
+               createSymbol(d, OperationClasses.SWITCH_CLASS, 0, 100, "Switch");\r
+               createSymbol(d, OperationClasses.TURBINE_CLASS, 50, 100, "Turbine");\r
+               createSymbol(d, OperationClasses.VOLTAGETRANSFORMER_CLASS, 100, 100, "Voltage Transformer");\r
+\r
+               createSymbol(d, OperationClasses.BOILER_BUTTON_CLASS, 0, 200, "BoilerBtn");\r
+               createSymbol(d, OperationClasses.COMPRESSOR_BUTTON_CLASS, 50, 200, "CompressorBtn");\r
+               createSymbol(d, OperationClasses.CONTROLVALVE_BUTTON_CLASS, 100, 200, "Control ValveBtn");\r
+               createSymbol(d, OperationClasses.HEATEXCHANGER_BUTTON_CLASS, 0, 250, "HeatExchangerBtn");\r
+               createSymbol(d, OperationClasses.PUMP_BUTTON_CLASS, 50, 250, "Pump");\r
+               createSymbol(d, OperationClasses.SHUTOFFVALVE_BUTTON_CLASS, 100, 250, "Shutoff ValveBtn");\r
+               createSymbol(d, OperationClasses.SWITCH_BUTTON_CLASS, 0, 300, "SwitchBtn");\r
+               createSymbol(d, OperationClasses.TURBINE_BUTTON_CLASS, 50, 300, "TurbineBtn");\r
+               createSymbol(d, OperationClasses.VOLTAGETRANSFORMER_BUTTON_CLASS, 100, 300, "Voltage TransformerBtn");\r
+         */\r
+        createShape(d, new Ellipse2D.Double(-10, -10, 20, 20), -50, 0, Color.RED, "circle");\r
+\r
+        d.setHint(DiagramHints.KEY_MUTATOR, new DummyDiagramMutator(d));\r
+\r
+        return d;\r
+    }\r
+\r
+    public static IElement createSymbol(IDiagram d, ElementClass clazz, double x, double y, Object dada)\r
+    {\r
+        IElement box = Element.spawnNew( clazz );\r
+        d.addElement(box);\r
+        Move m = box.getElementClass().getSingleItem(Move.class);\r
+        m.moveTo(box, x, y);\r
+        box.setHint(ElementHints.KEY_TEXT, dada.toString());\r
+        box.setHint(ElementHints.KEY_OBJECT, dada);\r
+        return box;\r
+    }\r
+\r
+\r
+    public static IElement createBox(IDiagram d, double x, double y, double width, double height, Color color, Object dada)\r
+    {\r
+        IElement box = Element.spawnNew( BoxClass.BOXCLASS.newClassWith(ElementParentTransform.INSTANCE) );\r
+        d.addElement(box);\r
+        Move m = box.getElementClass().getSingleItem(Move.class);\r
+        Resize s = box.getElementClass().getSingleItem(Resize.class);\r
+        FillColor ch = box.getElementClass().getSingleItem(FillColor.class);\r
+        ch.setFillColor(box, color);\r
+        m.moveTo(box, x, y);\r
+        s.resize(box, new Rectangle2D.Double(0,0,width, height));\r
+        box.setHint(ElementHints.KEY_TEXT, dada.toString());\r
+        box.setHint(ElementHints.KEY_OBJECT, dada);\r
+        return box;\r
+    }\r
+\r
+    private static IElement createImage(IDiagram d, int x, int y, Image image) {\r
+        IElement result = Element.spawnNew( ImageClass.INSTANCE );\r
+        d.addElement(result);\r
+        ElementUtils.setPos(result, x, y);\r
+        result.setHint(ElementHints.KEY_IMAGE, image);\r
+        return result;\r
+    }\r
+\r
+    public static IElement createShape(IDiagram d, Shape shape, double x, double y, Color color, Object dada)\r
+    {\r
+        IElement box = Element.spawnNew( ShapeClass.CIRCLE_CLASS );\r
+        d.addElement(box);\r
+        Move m = box.getElementClass().getSingleItem(Move.class);\r
+        FillColor ch = box.getElementClass().getSingleItem(FillColor.class);\r
+        ch.setFillColor(box, color);\r
+        m.moveTo(box, x, y);\r
+        box.setHint(ElementHints.KEY_TEXT, dada.toString());\r
+        box.setHint(ElementHints.KEY_OBJECT, dada);\r
+        return box;\r
+    }\r
+\r
+    public static IElement createSlider(IDiagram d, double x, double y, double width, double height, Object dada)\r
+    {\r
+        IElement e = Element.spawnNew( SliderClass.SLIDER );\r
+        d.addElement(e);\r
+        Move m = e.getElementClass().getSingleItem(Move.class);\r
+        Resize s = e.getElementClass().getSingleItem(Resize.class);\r
+        m.moveTo(e, x, y);\r
+        s.resize(e, new Rectangle2D.Double(0,0,width, height));\r
+        e.setHint(ElementHints.KEY_OBJECT, dada);\r
+        return e;\r
+    }\r
+\r
+    public static IElement createValve(IDiagram d, double x, double y, Object dada)\r
+    {\r
+        IElement e = Element.spawnNew( ValveClass.INSTANCE );\r
+        d.addElement(e);\r
+        Move m = e.getElementClass().getSingleItem(Move.class);\r
+        m.moveTo(e, x, y);\r
+        e.setHint(ElementHints.KEY_OBJECT, dada);\r
+        return e;\r
+    }\r
+\r
+    public static IElement createWheel(IDiagram d, double x, double y, double width, double height, Object dada)\r
+    {\r
+        IElement e = Element.spawnNew( WheelClass.WHEEL );\r
+        d.addElement(e);\r
+\r
+        ElementUtils.fitToRectangle(e, new Rectangle2D.Double(x, y, width, height));\r
+\r
+        //Move m = e.getElementClass().getSingleItem(Move.class);\r
+        //Scale s = e.getElementClass().getSingleItem(Scale.class);\r
+        //m.move(e, new Point2D.Double(x, y));\r
+        //Point2D s.getScale(e)\r
+        //s.setScale(e, newScale)\r
+        e.setHint(ElementHints.KEY_OBJECT, dada);\r
+        return e;\r
+    }\r
+\r
+    public static IElement createLabel(IDiagram d, double x, double y, Object dada, String label)\r
+    {\r
+        IElement e = Element.spawnNew( LabelClass.CLASS );\r
+        d.addElement(e);\r
+        Move m = e.getElementClass().getSingleItem(Move.class);\r
+        m.moveTo(e, x, y);\r
+\r
+        ElementUtils.setText(e, label);\r
+\r
+        e.setHint(ElementHints.KEY_OBJECT, dada);\r
+        return e;\r
+    }\r
+\r
+    public static IElement createButton(IDiagram d, double x, double y, double width, double height, Object dada, String label)\r
+    {\r
+        IElement e = Element.spawnNew( ButtonClass.BUTTON_CLASS );\r
+        d.addElement(e);\r
+        Move m = e.getElementClass().getSingleItem(Move.class);\r
+        m.moveTo(e, x, y);\r
+        Resize s = e.getElementClass().getSingleItem(Resize.class);\r
+        s.resize(e, new Rectangle2D.Double(0,0,width, height));\r
+        Text t = e.getElementClass().getSingleItem(Text.class);\r
+        t.setText(e, label);\r
+        e.setHint(ElementHints.KEY_OBJECT, dada);\r
+        return e;\r
+    }\r
+\r
+    public static IElement createFlag(IDiagram d, double x, double y, double dir, FlagClass.Type type, Color color, Object dada, String label)\r
+    {\r
+        return createFlag(d, x, y, dir, type, color, dada, label, FlagClass.Mode.External);\r
+    }\r
+\r
+    public static IElement createFlag(IDiagram d, double x, double y, double dir, FlagClass.Type type, Color color, Object dada, String label, FlagClass.Mode mode)\r
+    {\r
+        IElement f = Element.spawnNew( FlagClass.FLAGCLASS );\r
+        d.addElement(f);\r
+        Move m = f.getElementClass().getSingleItem(Move.class);\r
+        FillColor ch = f.getElementClass().getSingleItem(FillColor.class);\r
+        ch.setFillColor(f, color);\r
+        m.moveTo(f, x, y);\r
+        Text t = f.getElementClass().getSingleItem(Text.class);\r
+        t.setText(f, label);\r
+        f.setHint(ElementHints.KEY_OBJECT, dada);\r
+        f.setHint(FlagClass.KEY_FLAG_TYPE, type);\r
+        f.setHint(FlagClass.KEY_FLAG_MODE, mode);\r
+        return f;\r
+    }\r
+\r
+    public static IElement createToggleButton(IDiagram d, double x, double y, double width, double height, Object dada, String label)\r
+    {\r
+        IElement e = Element.spawnNew( ToggleButtonClass.BUTTON_CLASS );\r
+        d.addElement(e);\r
+        Move m = e.getElementClass().getSingleItem(Move.class);\r
+        m.moveTo(e, x, y);\r
+        Resize s = e.getElementClass().getSingleItem(Resize.class);\r
+        s.resize(e, new Rectangle2D.Double(0,0,width, height));\r
+        Text t = e.getElementClass().getSingleItem(Text.class);\r
+        t.setText(e, label);\r
+        e.setHint(ElementHints.KEY_OBJECT, dada);\r
+        return e;\r
+    }\r
+\r
+    public static IElement connect(IDiagram d, IElement e1, int t1, IElement e2, int t2)\r
+    {\r
+        List<Terminal> boxTerminals = new ArrayList<Terminal>();\r
+        TerminalTopology boxNodeHandler = e1.getElementClass().getSingleItem(TerminalTopology.class);\r
+        boxNodeHandler.getTerminals(e1, boxTerminals);\r
+        Terminal _t1 = boxTerminals.get(t1);\r
+\r
+        boxTerminals.clear();\r
+        boxNodeHandler = e2.getElementClass().getSingleItem(TerminalTopology.class);\r
+        boxNodeHandler.getTerminals(e2, boxTerminals);\r
+        Terminal _t2 = boxTerminals.get(t2);\r
+\r
+        IElement edge = Element.spawnNew(EdgeClass.STRAIGHT);\r
+        d.addElement(edge);\r
+\r
+        Object e1dada = e1.getHint(ElementHints.KEY_OBJECT);\r
+        Object e2dada = e2.getHint(ElementHints.KEY_OBJECT);\r
+        if (e1dada!=null && e2dada!=null)\r
+            edge.setHint(ElementHints.KEY_OBJECT, e1dada +" to "+e2dada);\r
+\r
+        Topology topology = d.getDiagramClass().getSingleItem(Topology.class);\r
+        topology.connect(edge, EdgeEnd.Begin, e1, _t1);\r
+        topology.connect(edge, EdgeEnd.End, e2, _t2);\r
+        return edge;\r
+    }\r
+\r
+    public static void validate(IDiagram d, ICanvasContext ctx)\r
+    {\r
+        // Validate\r
+        ArrayList<Issue> issues = new ArrayList<Issue>();\r
+        for (Validator v : d.getDiagramClass().getItemsByClass(Validator.class))\r
+        {\r
+            v.validate(d, ctx, issues);\r
+        }\r
+        List<Suggestion> suggestions = new ArrayList<Suggestion>();\r
+        for (Issue i : issues)\r
+        {\r
+            suggestions.clear();\r
+            i.addSuggestions(d, ctx, suggestions);\r
+            if (suggestions.size()==0) continue;\r
+            suggestions.get(0).fix(d, ctx);\r
+        }\r
+\r
+    }\r
+\r
+}\r