Package org.eclipse.gef.ui.parts
Class ScrollingGraphicalViewer
java.lang.Object
org.eclipse.gef.ui.parts.AbstractEditPartViewer
org.eclipse.gef.ui.parts.GraphicalViewerImpl
org.eclipse.gef.ui.parts.ScrollingGraphicalViewer
- All Implemented Interfaces:
EditPartViewer
,GraphicalViewer
,ISelectionProvider
- Direct Known Subclasses:
PaletteViewer
A Graphical Viewer implementation which uses a
FigureCanvas
for native scrolling. Because the
scrolling is handled natively, the root editpart should not contain a
ScrollPane
figure. Do not use root editparts which
provide scrollpane figures, such as GraphicalRootEditPart
.
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
Nested classes/interfaces inherited from interface org.eclipse.gef.EditPartViewer
EditPartViewer.Conditional
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Field Summary
Fields inherited from class org.eclipse.gef.ui.parts.AbstractEditPartViewer
constantSelection, focusPart, selection, selectionListeners
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionfinal Control
createControl
(Composite parent) Optionally creates the defaultControl
using the default style.protected FigureCanvas
Convenience method which types the control as aFigureCanvas
.protected void
If the figure is a viewport, set the canvas' viewport, otherwise, set its contents.void
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
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
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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
Methods inherited from interface org.eclipse.jface.viewers.ISelectionProvider
addSelectionChangedListener, removeSelectionChangedListener, setSelection
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Constructor Details
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ScrollingGraphicalViewer
public ScrollingGraphicalViewer()Constructs a ScrollingGraphicalViewer;
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Method Details
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createControl
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:
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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
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:
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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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