Package org.eclipse.emf.compare.ide.ui.internal.contentmergeviewer

Class EMFCompareContentMergeViewer

java.lang.Object

org.eclipse.jface.viewers.Viewer

org.eclipse.jface.viewers.ContentViewer

org.eclipse.compare.contentmergeviewer.ContentMergeViewer

org.eclipse.emf.compare.ide.ui.internal.contentmergeviewer.EMFCompareContentMergeViewer

All Implemented Interfaces:

org.eclipse.compare.contentmergeviewer.IFlushable, org.eclipse.compare.internal.IFlushable2, org.eclipse.compare.IPropertyChangeNotifier, org.eclipse.core.runtime.IAdaptable, CommandStackListener, ICompareColor.Provider, org.eclipse.jface.viewers.IInputProvider, org.eclipse.jface.viewers.IInputSelectionProvider, org.eclipse.jface.viewers.ISelectionChangedListener, org.eclipse.jface.viewers.ISelectionProvider

Direct Known Subclasses:

AbstractTreeContentMergeViewer, TableContentMergeViewer

public abstract class EMFCompareContentMergeViewer
extends org.eclipse.compare.contentmergeviewer.ContentMergeViewer
implements org.eclipse.jface.viewers.ISelectionChangedListener, ICompareColor.Provider, org.eclipse.core.runtime.IAdaptable, CommandStackListener

Field Summary

Fields

Modifier and Type	Field	Description
protected static final int	CENTER_WIDTH	Width of center bar

Fields inherited from class org.eclipse.jface.viewers.Viewer

WIDGET_DATA_KEY

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	EMFCompareContentMergeViewer(int style, ResourceBundle bundle, EMFCompareConfiguration cc)

Method Summary

Modifier and Type	Method	Description
void	colorChanged(IColorChangeEvent changeColorEvent)
void	commandStackChanged(EventObject event)
protected void	copy(boolean leftToRight)
protected org.eclipse.swt.widgets.Control	createCenterControl(org.eclipse.swt.widgets.Composite parent)
protected void	createControls(org.eclipse.swt.widgets.Composite composite)
protected abstract IMergeViewer	createMergeViewer(org.eclipse.swt.widgets.Composite parent, IMergeViewer.MergeViewerSide side)	Creates the merge viewer for the given parent and the given side.
protected void	createToolItems(org.eclipse.jface.action.ToolBarManager toolBarManager)
protected boolean	doSave(Object newInput, Object oldInput)	Inhibits this method to avoid asking to save on each input change!!
protected void	editingDomainChange(ICompareEditingDomain oldValue, ICompareEditingDomain newValue)
protected void	flushContent(Object input, org.eclipse.core.runtime.IProgressMonitor monitor)
Object	getAdapter(Class adapter)
protected IMergeViewer	getAncestorMergeViewer()
protected final int	getCenterWidth()
ICompareColor	getCompareColor()	Returns the ICompareColor.
protected EMFCompareConfiguration	getCompareConfiguration()
org.eclipse.swt.widgets.Composite	getControl()
protected final com.google.common.base.Predicate<? super EObject>	getDifferenceFilterPredicate()
protected final IDifferenceGroupProvider	getDifferenceGroupProvider()
protected Diff	getDiffFrom(IMergeViewer viewer)	Checks the element selected in the given viewer in order to determine whether it can be adapted into a Diff.
protected IMergeViewer.MergeViewerSide	getEffectiveSide(IMergeViewer.MergeViewerSide side)	Returns the effective side taking into account CompareConfiguration.isMirrored() to switch left and right.
protected final org.eclipse.compare.internal.CompareHandlerService	getHandlerService()
protected IMergeViewer	getLeftMergeViewer()
protected IMergeViewer	getRightMergeViewer()
void	handleAdapterFactoryChange(IAdapterFactoryChange event)
void	handleDifferenceFiltersChange(IDifferenceFilterChange event)
void	handleDifferenceGroupProviderChange(IDifferenceGroupProviderChange event)
protected void	handleDispose(org.eclipse.swt.events.DisposeEvent event)
void	handleEditingDomainChange(ICompareEditingDomainChange event)
protected void	handleMirroredChanged()	This does the processing
protected void	handlePropertyChangeEvent(org.eclipse.jface.util.PropertyChangeEvent event)
protected void	handleResizeAncestor(int x, int y, int width, int height)
protected void	handleResizeLeftRight(int x, int y, int width1, int centerWidth, int width2, int height)
protected abstract void	paintCenter(org.eclipse.swt.graphics.GC g)
protected final void	redrawCenterControl()
void	selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent event)
void	setContentProvider(org.eclipse.jface.viewers.IContentProvider contentProvider)
protected void	updateContent(Object ancestor, Object left, Object right)

Methods inherited from class org.eclipse.compare.contentmergeviewer.ContentMergeViewer

addPropertyChangeListener, buildControl, flush, flushLeft, flushRight, getCenterControl, getContents, getResourceBundle, getSelection, getTitle, getToolBarManager, handleCompareInputChange, handleSetFocus, hookControl, inputChanged, internalIsLeftDirty, internalIsRightDirty, isAncestorVisible, isLeftDirty, isLeftEditable, isRightDirty, isRightEditable, isThreeWay, refresh, removePropertyChangeListener, save, setConfirmSave, setLeftDirty, setRightDirty, setSelection, updateHeader, updateToolItems

Methods inherited from class org.eclipse.jface.viewers.ContentViewer

getContentProvider, getInput, getLabelProvider, handleLabelProviderChanged, labelProviderChanged, setInput, setLabelProvider

Methods inherited from class org.eclipse.jface.viewers.Viewer

addHelpListener, addSelectionChangedListener, fireHelpRequested, fireSelectionChanged, getData, handleHelpRequest, removeHelpListener, removeSelectionChangedListener, scrollDown, scrollUp, setData, setSelection

Methods inherited from class java.lang.Object

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

Field Details

CENTER_WIDTH

protected static final int CENTER_WIDTH

Width of center bar

See Also:

• Constant Field Values

Constructor Details

EMFCompareContentMergeViewer

protected EMFCompareContentMergeViewer(int style,
 ResourceBundle bundle,
 EMFCompareConfiguration cc)

Parameters:

style -

bundle -

cc -

Method Details

setContentProvider

public void setContentProvider(org.eclipse.jface.viewers.IContentProvider contentProvider)

Overrides:

setContentProvider in class org.eclipse.compare.contentmergeviewer.ContentMergeViewer

handleAdapterFactoryChange

public void handleAdapterFactoryChange(IAdapterFactoryChange event)

colorChanged

public void colorChanged(IColorChangeEvent changeColorEvent)

handleEditingDomainChange

public void handleEditingDomainChange(ICompareEditingDomainChange event)

See Also:

• org.eclipse.emf.compare.ide.ui.internal.configuration.EMFCompareConfiguration#editingDomainChange(org.eclipse.emf.compare.domain.ICompareEditingDomain, org.eclipse.emf.compare.domain.ICompareEditingDomain)

editingDomainChange

protected void editingDomainChange(ICompareEditingDomain oldValue,
 ICompareEditingDomain newValue)

handleDifferenceFiltersChange

public void handleDifferenceFiltersChange(IDifferenceFilterChange event)

getDifferenceFilterPredicate

protected final com.google.common.base.Predicate<? super EObject> getDifferenceFilterPredicate()

Returns:

the differenceFilterPredicate

handleDifferenceGroupProviderChange

public void handleDifferenceGroupProviderChange(IDifferenceGroupProviderChange event)

getDifferenceGroupProvider

protected final IDifferenceGroupProvider getDifferenceGroupProvider()

Returns:

the differenceGroupProvider

getCompareColor

public ICompareColor getCompareColor()

Returns the ICompareColor.

Specified by:

getCompareColor in interface ICompareColor.Provider

Returns:

the ICompareColor.

See Also:

• org.eclipse.emf.compare.rcp.ui.internal.mergeviewer.ICompareColorProvider#getCompareColor()

updateContent

protected void updateContent(Object ancestor,
 Object left,
 Object right)

Specified by:

updateContent in class org.eclipse.compare.contentmergeviewer.ContentMergeViewer

See Also:

• ContentMergeViewer.updateContent(java.lang.Object, java.lang.Object, java.lang.Object)

doSave

protected boolean doSave(Object newInput,
 Object oldInput)

Inhibits this method to avoid asking to save on each input change!!

Overrides:

doSave in class org.eclipse.compare.contentmergeviewer.ContentMergeViewer

See Also:

• ContentMergeViewer.doSave(java.lang.Object, java.lang.Object)

createControls

protected void createControls(org.eclipse.swt.widgets.Composite composite)

Specified by:

createControls in class org.eclipse.compare.contentmergeviewer.ContentMergeViewer

See Also:

• ContentMergeViewer.createControls(org.eclipse.swt.widgets.Composite)

getEffectiveSide

protected IMergeViewer.MergeViewerSide getEffectiveSide(IMergeViewer.MergeViewerSide side)

Returns the effective side taking into account CompareConfiguration.isMirrored() to switch left and right.

Parameters:

side -

Returns:

the effective side with respect to mirroring.

createToolItems

protected void createToolItems(org.eclipse.jface.action.ToolBarManager toolBarManager)

Overrides:

createToolItems in class org.eclipse.compare.contentmergeviewer.ContentMergeViewer

See Also:

• ContentMergeViewer.createToolItems(org.eclipse.jface.action.ToolBarManager)

commandStackChanged

public void commandStackChanged(EventObject event)

Specified by:

commandStackChanged in interface CommandStackListener

copy

protected void copy(boolean leftToRight)

Specified by:

copy in class org.eclipse.compare.contentmergeviewer.ContentMergeViewer

See Also:

• ContentMergeViewer.copy(boolean)

handleResizeAncestor

protected void handleResizeAncestor(int x,
 int y,
 int width,
 int height)

Specified by:

handleResizeAncestor in class org.eclipse.compare.contentmergeviewer.ContentMergeViewer

See Also:

• ContentMergeViewer.handleResizeAncestor(int, int, int, int)

handleResizeLeftRight

protected void handleResizeLeftRight(int x,
 int y,
 int width1,
 int centerWidth,
 int width2,
 int height)

Specified by:

handleResizeLeftRight in class org.eclipse.compare.contentmergeviewer.ContentMergeViewer

See Also:

• ContentMergeViewer.handleResizeLeftRight(int, int, int, int, int, int)

createMergeViewer

protected abstract IMergeViewer createMergeViewer(org.eclipse.swt.widgets.Composite parent,
 IMergeViewer.MergeViewerSide side)

Creates the merge viewer for the given parent and the given side.

Parameters:

parent - composite in which to create the merge viewer.

side - the side of the new viewer.

Returns:

a new merge viewer.

getCenterWidth

protected final int getCenterWidth()

Overrides:

getCenterWidth in class org.eclipse.compare.contentmergeviewer.ContentMergeViewer

getHandlerService

protected final org.eclipse.compare.internal.CompareHandlerService getHandlerService()

getControl

public org.eclipse.swt.widgets.Composite getControl()

Overrides:

getControl in class org.eclipse.compare.contentmergeviewer.ContentMergeViewer

See Also:

• ContentMergeViewer.getControl()

createCenterControl

protected org.eclipse.swt.widgets.Control createCenterControl(org.eclipse.swt.widgets.Composite parent)

Overrides:

createCenterControl in class org.eclipse.compare.contentmergeviewer.ContentMergeViewer

See Also:

• ContentMergeViewer.createCenterControl(org.eclipse.swt.widgets.Composite)

paintCenter

protected abstract void paintCenter(org.eclipse.swt.graphics.GC g)

getAdapter

public Object getAdapter(Class adapter)

Specified by:

getAdapter in interface org.eclipse.core.runtime.IAdaptable

getAncestorMergeViewer

protected IMergeViewer getAncestorMergeViewer()

Returns:

the fAncestor

getLeftMergeViewer

protected IMergeViewer getLeftMergeViewer()

Returns:

the fLeft

getRightMergeViewer

protected IMergeViewer getRightMergeViewer()

Returns:

the fRight

selectionChanged

public void selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent event)

Specified by:

selectionChanged in interface org.eclipse.jface.viewers.ISelectionChangedListener

See Also:

• ISelectionChangedListener.selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent)

getDiffFrom

protected Diff getDiffFrom(IMergeViewer viewer)

Checks the element selected in the given viewer in order to determine whether it can be adapted into a Diff.

Parameters:

viewer - The viewer which selection is to be checked.

Returns:

The first of the Diffs selected in the given viewer, if any.

handleDispose

protected void handleDispose(org.eclipse.swt.events.DisposeEvent event)

Overrides:

handleDispose in class org.eclipse.compare.contentmergeviewer.ContentMergeViewer

See Also:

• ContentMergeViewer.handleDispose(org.eclipse.swt.events.DisposeEvent)

redrawCenterControl

protected final void redrawCenterControl()

getCompareConfiguration

protected EMFCompareConfiguration getCompareConfiguration()

Overrides:

getCompareConfiguration in class org.eclipse.compare.contentmergeviewer.ContentMergeViewer

See Also:

• ContentMergeViewer.getCompareConfiguration()

flushContent

protected void flushContent(Object input,
 org.eclipse.core.runtime.IProgressMonitor monitor)

Overrides:

flushContent in class org.eclipse.compare.contentmergeviewer.ContentMergeViewer

handlePropertyChangeEvent

protected void handlePropertyChangeEvent(org.eclipse.jface.util.PropertyChangeEvent event)

This override uses a MirrorManager to intercept switches to the swap preference for controlling the mirror mode. When that preference property changes, handleMirroredChanged() is called.

Overrides:

handlePropertyChangeEvent in class org.eclipse.compare.contentmergeviewer.ContentMergeViewer

handleMirroredChanged

protected void handleMirroredChanged()

This does the processing