Package org.jgraph.plaf

Class GraphUI

java.lang.Object
javax.swing.plaf.ComponentUI
org.jgraph.plaf.GraphUI
Direct Known Subclasses:
BasicGraphUI
public abstract class GraphUI extends ComponentUI
Pluggable look and feel interface for JGraph.

  • Constructor Details

    • GraphUI

      public GraphUI()

  • Method Details

    • paintCell

      public abstract void paintCell(Graphics g, CellView view, Rectangle2D bounds, boolean preview)
      Paints the renderer of view to g at bounds.

    • paintPorts

      public abstract void paintPorts(Graphics g, CellView[] portViews)
      Paints the renderers of portViews to g.

    • selectCellsForEvent

      public abstract void selectCellsForEvent(JGraph graph, Object[] cells, MouseEvent event)
      Messaged to update the selection based on a MouseEvent for a group of cells. If the event is a toggle selection event, the cells are either selected, or deselected. Otherwise the cells are selected.

    • getPreferredSize

      public abstract Dimension2D getPreferredSize(JGraph graph, CellView view)
      Returns the preferred size for view.

    • getHandle

      public abstract CellHandle getHandle()
      Returns the CellHandle that is currently active, or null if no handle is active.

    • isEditing

      public abstract boolean isEditing(JGraph graph)
      Returns true if the graph is being edited. The item that is being edited can be returned by getEditingCell().

    • stopEditing

      public abstract boolean stopEditing(JGraph graph)
      Stops the current editing session. This has no effect if the graph isn't being edited. Returns true if the editor allows the editing session to stop.

    • cancelEditing

      public abstract void cancelEditing(JGraph graph)
      Cancels the current editing session. This has no effect if the graph isn't being edited. Returns true if the editor allows the editing session to stop.

    • startEditingAtCell

      public abstract void startEditingAtCell(JGraph graph, Object cell)
      Selects the cell and tries to edit it. Editing will fail if the CellEditor won't allow it for the selected item.

    • getEditingCell

      public abstract Object getEditingCell(JGraph graph)
      Returns the cell that is being edited.

    • setInsertionLocation

      public abstract void setInsertionLocation(Point p)
      Sets the current location for Drag-and-Drop activity. Should be set to null after a drop.

    • getInsertionLocation

      public abstract Point getInsertionLocation()
      Returns the insertion location for DnD operations.

    • updateHandle

      public abstract void updateHandle()
      Updates the handle.

    • getDropAction

      public abstract int getDropAction()
      Returns the current drop action.