Package org.eclipse.gef.ui.parts
Class ScrollingGraphicalViewer
- java.lang.Object
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- org.eclipse.gef.ui.parts.AbstractEditPartViewer
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- org.eclipse.gef.ui.parts.GraphicalViewerImpl
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- org.eclipse.gef.ui.parts.ScrollingGraphicalViewer
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- All Implemented Interfaces:
EditPartViewer
,GraphicalViewer
,ISelectionProvider
- Direct Known Subclasses:
PaletteViewer
public class ScrollingGraphicalViewer extends GraphicalViewerImpl
A Graphical Viewer implementation which uses aFigureCanvas
for native scrolling. Because the scrolling is handled natively, the root editpart should not contain aScrollPane
figure. Do not use root editparts which provide scrollpane figures, such asGraphicalRootEditPart
.The RootEditPart for a ScrollingGraphicalViewer may contain a Viewport. If it does, that viewport will be set as the FigureCanvas' viewport. FigureCanvas has certain requirements on the viewport figure, see
FigureCanvas.setViewport(Viewport)
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Nested Class Summary
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Nested classes/interfaces inherited from interface org.eclipse.gef.EditPartViewer
EditPartViewer.Conditional
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Field Summary
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Fields inherited from class org.eclipse.gef.ui.parts.AbstractEditPartViewer
constantSelection, focusPart, selection, selectionListeners
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Constructor Summary
Constructors Constructor Description ScrollingGraphicalViewer()
Constructs a ScrollingGraphicalViewer;
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Control
createControl(Composite parent)
Optionally creates the defaultControl
using the default style.protected org.eclipse.draw2d.FigureCanvas
getFigureCanvas()
Convenience method which types the control as aFigureCanvas
.protected void
hookRootFigure()
If the figure is a viewport, set the canvas' viewport, otherwise, set its contents.void
reveal(EditPart part)
Extends the superclass implementation to scroll the native Canvas control after the super's implementation has completed.-
Methods inherited from class org.eclipse.gef.ui.parts.GraphicalViewerImpl
createDefaultRoot, createLightweightSystem, findHandleAt, findObjectAtExcluding, flush, getEventDispatcher, getLayerManager, getLightweightSystem, getRootFigure, handleDispose, handleFocusGained, handleFocusLost, hookControl, hookDropTarget, registerAccessibleEditPart, setContextMenu, setCursor, setDragSource, setEditDomain, setRootEditPart, setRootFigure, setRouteEventsToEditDomain, unhookControl, unregisterAccessibleEditPart
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Methods inherited from class org.eclipse.gef.ui.parts.AbstractEditPartViewer
addDragSourceListener, addDragSourceListener, addDropTargetListener, addDropTargetListener, addPropertyChangeListener, addSelectionChangedListener, appendSelection, deselect, deselectAll, findObjectAt, findObjectAtExcluding, fireSelectionChanged, getContents, getContextMenu, getControl, getDelegatingDragAdapter, getDelegatingDropAdapter, getDragSource, getDropTarget, getEditDomain, getEditPartFactory, getEditPartRegistry, getFocusEditPart, getKeyHandler, getProperty, getResourceManager, getRootEditPart, getSelectedEditParts, getSelection, getSelectionManager, getVisualPartMap, hookDragSource, init, primGetSelectedEditParts, refreshDragSourceAdapter, refreshDropTargetAdapter, removeDragSourceListener, removeDragSourceListener, removeDropTargetListener, removeDropTargetListener, removePropertyChangeListener, removeSelectionChangedListener, select, setContents, setContents, setControl, setDropTarget, setEditPartFactory, setFocus, setKeyHandler, setProperty, setSelection, setSelectionManager
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.eclipse.gef.EditPartViewer
addDragSourceListener, addDragSourceListener, addDropTargetListener, addDropTargetListener, addPropertyChangeListener, appendSelection, deselect, deselectAll, findObjectAt, findObjectAtExcluding, getContents, getContextMenu, getControl, getEditDomain, getEditPartFactory, getEditPartRegistry, getFocusEditPart, getKeyHandler, getProperty, getResourceManager, getRootEditPart, getSelectedEditParts, getSelection, getSelectionManager, getVisualPartMap, removeDragSourceListener, removeDragSourceListener, removeDropTargetListener, removeDropTargetListener, removePropertyChangeListener, select, setContents, setContents, setControl, setEditPartFactory, setFocus, setKeyHandler, setProperty, setSelectionManager
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Methods inherited from interface org.eclipse.jface.viewers.ISelectionProvider
addSelectionChangedListener, removeSelectionChangedListener, setSelection
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Method Detail
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createControl
public final Control createControl(Composite parent)
Description copied from interface:EditPartViewer
Optionally creates the defaultControl
using the default style. The Control can also be created externally and then set into the Viewer.- Specified by:
createControl
in interfaceEditPartViewer
- Overrides:
createControl
in classGraphicalViewerImpl
- Parameters:
parent
- the parent in which create the SWTControl
- Returns:
- the created Control for convenience
- See Also:
EditPartViewer.createControl(org.eclipse.swt.widgets.Composite)
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getFigureCanvas
protected org.eclipse.draw2d.FigureCanvas getFigureCanvas()
Convenience method which types the control as aFigureCanvas
. This method returnsnull
whenever the control is null.- Returns:
null
or the Control as a FigureCanvas
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reveal
public void reveal(EditPart part)
Extends the superclass implementation to scroll the native Canvas control after the super's implementation has completed.- Specified by:
reveal
in interfaceEditPartViewer
- Overrides:
reveal
in classGraphicalViewerImpl
- Parameters:
part
- the EditPart to reveal- See Also:
EditPartViewer.reveal(org.eclipse.gef.EditPart)
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hookRootFigure
protected void hookRootFigure()
If the figure is a viewport, set the canvas' viewport, otherwise, set its contents.- Overrides:
hookRootFigure
in classGraphicalViewerImpl
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