Package com.orange.links.client

Class DiagramController

java.lang.Object
com.orange.links.client.DiagramController
All Implemented Interfaces:
com.google.gwt.event.shared.HasHandlers, com.orange.links.client.event.ChangeOnDiagramEvent.HasChangeOnDiagramHandlers, com.orange.links.client.event.NewFunctionEvent.HasNewFunctionHandlers, com.orange.links.client.event.TieLinkEvent.HasTieLinkHandlers, com.orange.links.client.event.UntieLinkEvent.HasUntieLinkHandlers, com.orange.links.client.menu.HasContextMenu
public class DiagramController extends Object implements com.orange.links.client.event.NewFunctionEvent.HasNewFunctionHandlers, com.orange.links.client.event.TieLinkEvent.HasTieLinkHandlers, com.orange.links.client.event.UntieLinkEvent.HasUntieLinkHandlers, com.orange.links.client.event.ChangeOnDiagramEvent.HasChangeOnDiagramHandlers, com.orange.links.client.menu.HasContextMenu
Controller which manage all the diagram logic
Author:
Pierre Renaudin (pierre.renaudin.fr@gmail.com), David Durham (david.durham.jr@gmail.com)

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    boolean
    inDragBuildArrow
     
    boolean
    inDragMovablePoint
     
    boolean
    inDragWidget
     
    boolean
    inEditionDragMovablePoint
     
    boolean
    inEditionSelectableShapeToDrawConnection
     
    static int
    minDistanceToSegment
    If the distance between the mouse and segment is under this number in pixels, then, the mouse is considered over the segment
    static int
    refreshRate
    Timer refresh duration, in milliseconds.

  • Constructor Summary

    Constructors
    Constructor
    Description
    DiagramController(int canvasWidth, int canvasHeight)
    Initialize the controller diagram.

  • Method Summary

    Modifier and Type
    Method
    Description
    com.google.gwt.event.shared.HandlerRegistration
    addChangeOnDiagramHandler(com.orange.links.client.event.ChangeOnDiagramHandler handler)
     
    void
    addDecoration(com.google.gwt.user.client.ui.Widget decoration, com.orange.links.client.connection.Connection decoratedConnection)
    Add a widget as a decoration on a connection
    com.google.gwt.event.shared.HandlerRegistration
    addNewFunctionHandler(com.orange.links.client.event.NewFunctionHandler handler)
     
    void
    addPointOnConnection(com.orange.links.client.connection.Connection c, int left, int top)
    Add an segment on a path by adding a point on the connection
    com.google.gwt.event.shared.HandlerRegistration
    addTieLinkHandler(com.orange.links.client.event.TieLinkHandler handler)
     
    com.google.gwt.event.shared.HandlerRegistration
    addUntieLinkHandler(com.orange.links.client.event.UntieLinkHandler handler)
     
    FunctionShape
    addWidget(com.google.gwt.user.client.ui.Widget w, int left, int top)
    Add a widget on the diagram
    FunctionShape
    addWidgetAtMousePoint(com.google.gwt.user.client.ui.Widget w)
     
    void
    clearDiagram()
    Clear the diagram (connections and widgets)
    void
    deleteConnection(com.orange.links.client.connection.Connection c)
     
    void
    deleteWidget(com.google.gwt.user.client.ui.Widget widget)
     
    <C extends com.orange.links.client.connection.Connection>
    C
    drawConnection(com.orange.links.client.connection.ConnectionFactory<C> cf, com.orange.links.client.shapes.Shape start, com.orange.links.client.shapes.Shape end)
     
    com.orange.links.client.connection.Connection
    drawStraightArrowConnection(com.google.gwt.user.client.ui.Widget startWidget, com.google.gwt.user.client.ui.Widget endWidget, GUITransition transition)
     
    com.orange.links.client.connection.Connection
    drawStraightArrowConnection(com.google.gwt.user.client.ui.Widget startWidget, com.google.gwt.user.client.ui.Widget endWidget, String name)
    Draw a straight connection with an arrow between two GWT widgets.
    com.orange.links.client.connection.Connection
    drawStraightConnection(com.google.gwt.user.client.ui.Widget startWidget, com.google.gwt.user.client.ui.Widget endWidget)
    Draw a straight connection between two GWT widgets.
    String
    exportDiagram()
     
    void
    fireEvent(com.google.gwt.event.shared.GwtEvent<?> event)
     
    int
    getCanvasHeight()
     
    int
    getCanvasWidth()
     
    com.orange.links.client.menu.ContextMenu
    getContextMenu()
     
    com.orange.links.client.canvas.DiagramCanvas
    getDiagramCanvas()
    Get the diagram canvas
    com.orange.links.client.save.DiagramModel
    getDiagramModel()
     
    long
    getFps()
     
    Map<com.google.gwt.user.client.ui.Widget,Map<com.google.gwt.user.client.ui.Widget,com.orange.links.client.connection.Connection>>
    getFunctionsMap()
     
    com.orange.links.client.shapes.Point
    getMousePoint()
     
    com.orange.links.client.shapes.DrawableSet<FunctionShape>
    getShapes()
     
    com.orange.links.client.shapes.DrawableSet<com.orange.links.client.connection.Connection>
    getUnsynchronizedConnections()
     
    com.google.gwt.user.client.ui.AbsolutePanel
    getView()
     
    com.google.gwt.user.client.ui.ScrollPanel
    getViewAsScrollPanel()
     
    void
    importDiagram(String diagramXmlExport, com.orange.links.client.save.DiagramWidgetFactory saveFactory)
     
    boolean
    isShowGrid()
     
    void
    makeDraggable(com.smartgwt.client.widgets.Canvas widget)
    OUR personalization to allow dragging into SmartGWT
    void
    pauseRefresh()
     
    void
    registerDragController(com.allen_sauer.gwt.dnd.client.DragController dragController)
    Register a drag controller to control the refresh rate
    void
    removeDecoration(com.orange.links.client.connection.Connection decoratedConnection)
    Remove a decoration from the diagram
    void
    runRefresh()
     
    void
    setFrameSize(int width, int height)
     
    void
    showGrid(boolean showGrid)
    Change the background of the canvas by displaying or not a gray grid.
    void
    synchronizedShapes()
     
    void
    unsynchronizedShapes()
     
    void
    update()
     

    Methods inherited from class java.lang.Object

    equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Field Details

    • minDistanceToSegment

      public static int minDistanceToSegment
      If the distance between the mouse and segment is under this number in pixels, then, the mouse is considered over the segment

    • refreshRate

      public static int refreshRate
      Timer refresh duration, in milliseconds. It defers if the application is running in development mode or in the web mode

    • inEditionDragMovablePoint

      public boolean inEditionDragMovablePoint

    • inEditionSelectableShapeToDrawConnection

      public boolean inEditionSelectableShapeToDrawConnection

    • inDragBuildArrow

      public boolean inDragBuildArrow

    • inDragMovablePoint

      public boolean inDragMovablePoint

    • inDragWidget

      public boolean inDragWidget

  • Constructor Details

    • DiagramController

      public DiagramController(int canvasWidth, int canvasHeight)
      Initialize the controller diagram. Use this constructor to start your diagram. A code sample is :

      DiagramController controller = new DiagramController(400,400);
      RootPanel.get().add(controller.getView());
      Parameters:
      canvasWidth - width expressed in pixels
      canvasHeight - height expressed in pixels

  • Method Details

    • getContextMenu

      public com.orange.links.client.menu.ContextMenu getContextMenu()
      Specified by:
      getContextMenu in interface com.orange.links.client.menu.HasContextMenu

    • pauseRefresh

      public void pauseRefresh()

    • runRefresh

      public void runRefresh()

    • clearDiagram

      public void clearDiagram()
      Clear the diagram (connections and widgets)

    • drawStraightArrowConnection

      public com.orange.links.client.connection.Connection drawStraightArrowConnection(com.google.gwt.user.client.ui.Widget startWidget, com.google.gwt.user.client.ui.Widget endWidget, String name)
      Draw a straight connection with an arrow between two GWT widgets. The arrow is pointing to the second widget
      Parameters:
      startWidget - Start widget
      endWidget - End Widget
      name - name of the arrow
      Returns:
      the created new connection between the two widgets

    • drawStraightArrowConnection

      public com.orange.links.client.connection.Connection drawStraightArrowConnection(com.google.gwt.user.client.ui.Widget startWidget, com.google.gwt.user.client.ui.Widget endWidget, GUITransition transition)

    • drawConnection

      public <C extends com.orange.links.client.connection.Connection> C drawConnection(com.orange.links.client.connection.ConnectionFactory<C> cf, com.orange.links.client.shapes.Shape start, com.orange.links.client.shapes.Shape end)

    • drawStraightConnection

      public com.orange.links.client.connection.Connection drawStraightConnection(com.google.gwt.user.client.ui.Widget startWidget, com.google.gwt.user.client.ui.Widget endWidget)
      Draw a straight connection between two GWT widgets. The arrow is pointing to the second widget
      Parameters:
      startWidget - Start widget
      endWidget - End Widget
      Returns:
      the created new connection between the two widgets

    • addWidget

      public FunctionShape addWidget(com.google.gwt.user.client.ui.Widget w, int left, int top)
      Add a widget on the diagram
      Parameters:
      w - the widget to add
      left - left margin with the absolute panel
      top - top margin with the absolute panel
      Returns:
      the shape

    • addWidgetAtMousePoint

      public FunctionShape addWidgetAtMousePoint(com.google.gwt.user.client.ui.Widget w)

    • addDecoration

      public void addDecoration(com.google.gwt.user.client.ui.Widget decoration, com.orange.links.client.connection.Connection decoratedConnection)
      Add a widget as a decoration on a connection
      Parameters:
      decoration - widget that will be in the middle of the connection
      decoratedConnection - the connection where the decoration will be put

    • removeDecoration

      public void removeDecoration(com.orange.links.client.connection.Connection decoratedConnection)
      Remove a decoration from the diagram
      Parameters:
      decoratedConnection - connection where the decoration will be deleted

    • addPointOnConnection

      public void addPointOnConnection(com.orange.links.client.connection.Connection c, int left, int top)
      Add an segment on a path by adding a point on the connection
      Parameters:
      c - the connection where the point will be added
      left - Left margin in pixels
      top - Top margin in pixels

    • showGrid

      public void showGrid(boolean showGrid)
      Change the background of the canvas by displaying or not a gray grid.
      Parameters:
      showGrid - if true, show a grid, else don't

    • getDiagramCanvas

      public com.orange.links.client.canvas.DiagramCanvas getDiagramCanvas()
      Get the diagram canvas
      Returns:
      the diagram canvas

    • getView

      public com.google.gwt.user.client.ui.AbsolutePanel getView()
      Returns:
      the view where the widgets are displayed

    • setFrameSize

      public void setFrameSize(int width, int height)

    • getViewAsScrollPanel

      public com.google.gwt.user.client.ui.ScrollPanel getViewAsScrollPanel()

    • makeDraggable

      public void makeDraggable(com.smartgwt.client.widgets.Canvas widget)
      OUR personalization to allow dragging into SmartGWT
      Parameters:
      widget - widget to alter

    • registerDragController

      public void registerDragController(com.allen_sauer.gwt.dnd.client.DragController dragController)
      Register a drag controller to control the refresh rate
      Parameters:
      dragController - The DragController used to handle the drags on widgets

    • unsynchronizedShapes

      public void unsynchronizedShapes()

    • synchronizedShapes

      public void synchronizedShapes()

    • fireEvent

      public void fireEvent(com.google.gwt.event.shared.GwtEvent<?> event)
      Specified by:
      fireEvent in interface com.google.gwt.event.shared.HasHandlers

    • addUntieLinkHandler

      public com.google.gwt.event.shared.HandlerRegistration addUntieLinkHandler(com.orange.links.client.event.UntieLinkHandler handler)
      Specified by:
      addUntieLinkHandler in interface com.orange.links.client.event.UntieLinkEvent.HasUntieLinkHandlers

    • addTieLinkHandler

      public com.google.gwt.event.shared.HandlerRegistration addTieLinkHandler(com.orange.links.client.event.TieLinkHandler handler)
      Specified by:
      addTieLinkHandler in interface com.orange.links.client.event.TieLinkEvent.HasTieLinkHandlers

    • addChangeOnDiagramHandler

      public com.google.gwt.event.shared.HandlerRegistration addChangeOnDiagramHandler(com.orange.links.client.event.ChangeOnDiagramHandler handler)
      Specified by:
      addChangeOnDiagramHandler in interface com.orange.links.client.event.ChangeOnDiagramEvent.HasChangeOnDiagramHandlers

    • addNewFunctionHandler

      public com.google.gwt.event.shared.HandlerRegistration addNewFunctionHandler(com.orange.links.client.event.NewFunctionHandler handler)
      Specified by:
      addNewFunctionHandler in interface com.orange.links.client.event.NewFunctionEvent.HasNewFunctionHandlers

    • isShowGrid

      public boolean isShowGrid()
      Returns:
      true if a grid is displayed in background

    • update

      public void update()

    • deleteConnection

      public void deleteConnection(com.orange.links.client.connection.Connection c)

    • deleteWidget

      public void deleteWidget(com.google.gwt.user.client.ui.Widget widget)

    • getMousePoint

      public com.orange.links.client.shapes.Point getMousePoint()

    • getCanvasWidth

      public int getCanvasWidth()

    • getCanvasHeight

      public int getCanvasHeight()

    • getFps

      public long getFps()
      Returns:
      the fps which are really displayed (frame per second)

    • getUnsynchronizedConnections

      public com.orange.links.client.shapes.DrawableSet<com.orange.links.client.connection.Connection> getUnsynchronizedConnections()
      Returns:
      unsynchronized connection

    • getDiagramModel

      public com.orange.links.client.save.DiagramModel getDiagramModel()

    • exportDiagram

      public String exportDiagram()

    • importDiagram

      public void importDiagram(String diagramXmlExport, com.orange.links.client.save.DiagramWidgetFactory saveFactory)

    • getShapes

      public com.orange.links.client.shapes.DrawableSet<FunctionShape> getShapes()

    • getFunctionsMap

      public Map<com.google.gwt.user.client.ui.Widget,Map<com.google.gwt.user.client.ui.Widget,com.orange.links.client.connection.Connection>> getFunctionsMap()