org.eclipse.emf.compare.ui.viewer.content.part.diff
Class ModelContentMergeDiffTab

java.lang.Object
  org.eclipse.jface.viewers.Viewer
      org.eclipse.jface.viewers.ContentViewer
          org.eclipse.jface.viewers.StructuredViewer
              org.eclipse.jface.viewers.ColumnViewer
                  org.eclipse.jface.viewers.AbstractTreeViewer
                      org.eclipse.jface.viewers.TreeViewer
                          org.eclipse.emf.compare.ui.viewer.content.part.diff.ModelContentMergeDiffTab

All Implemented Interfaces:

IModelContentMergeViewerTab, org.eclipse.jface.viewers.IInputProvider, org.eclipse.jface.viewers.IInputSelectionProvider, org.eclipse.jface.viewers.IPostSelectionProvider, org.eclipse.jface.viewers.ISelectionProvider

public class ModelContentMergeDiffTab
extends org.eclipse.jface.viewers.TreeViewer
implements IModelContentMergeViewerTab

Represents the tree view under a ModelContentMergeTabFolder's diff tab.

Nested Class Summary

Nested classes/interfaces inherited from class org.eclipse.jface.viewers.StructuredViewer

org.eclipse.jface.viewers.StructuredViewer.ColorAndFontCollector, org.eclipse.jface.viewers.StructuredViewer.ColorAndFontCollectorWithProviders

Field Summary

protected boolean	needsRedraw Tells the tree viewer it needs to be redrawn.
protected ModelContentMergeTabFolder	parent Keeps a reference to the containing tab folder.
protected int	partSide int representing this viewer part side.
protected java.util.List<org.eclipse.swt.widgets.Item>	visibleItems Caches visible elements.

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

ALL_LEVELS

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

WIDGET_DATA_KEY

Constructor Summary

ModelContentMergeDiffTab(org.eclipse.swt.widgets.Composite parentComposite, int side, ModelContentMergeTabFolder parentFolder)
Creates a tree viewer under the given parent control.

Method Summary

protected void	clearCaches() Invalidates all caches of the tab.
void	dispose() Disposes of all resources allocated this tab.
protected org.eclipse.swt.widgets.Widget	doFindInputItem(java.lang.Object element)
java.util.List<org.eclipse.swt.widgets.TreeItem>	getSelectedElements() Returns a List of the selected elements.
protected org.eclipse.jface.viewers.TreePath	getTreePathFromItem(org.eclipse.swt.widgets.Item item) Overriden to cache the result.
ModelContentMergeTabItem	getUIItem(org.eclipse.emf.ecore.EObject data) This will be used when drawing the center part's marquees.
java.util.List<ModelContentMergeTabItem>	getVisibleElements() Returns a list of all the tree's visible elements.
protected void	inputChanged(java.lang.Object input, java.lang.Object oldInput)
void	redraw() Redraws the Control displayed by the tab.
void	refresh(java.lang.Object element, boolean updateLabels)
void	setReflectiveInput(java.lang.Object object) Sets the input of the tab.
protected void	setSelectionToWidget(java.util.List l, boolean reveal)
protected void	setupCaches() Sets up all necessary caches for navigation through the differences shown by this tab.
void	showItems(java.util.List<DiffElement> items) Ensures the first element of the given list of items is visible in the tree, and sets the tree's selection to this list.

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

addTreeListener, assertContentProviderType, createViewerEditor, disassociate, doGetColumnCount, editElement, getChild, getChildren, getColumnViewerOwner, getControl, getExpanded, getItemAt, getItemCount, getItemCount, getItems, getLabelProvider, getParentElement, getParentItem, getRawChildren, getSelection, getTree, getViewerRowFromItem, handleTreeCollapse, handleTreeExpand, hookControl, internalAdd, internalInitializeTree, internalRefreshStruct, isExpandable, mapElement, newItem, remove, removeAll, replace, setChildCount, setContentProvider, setExpanded, setHasChildren, setSelection, setSelection, showItem, updatePlus

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

add, add, addSelectionListener, addTreeListener, associate, buildLabel, collapseAll, collapseToLevel, createChildren, createTreeItem, doFindItem, doUpdateItem, doUpdateItem, expandAll, expandToLevel, expandToLevel, fireTreeCollapsed, fireTreeExpanded, getAutoExpandLevel, getChildren, getExpandedElements, getExpandedState, getExpandedTreePaths, getNextItem, getPreviousItem, getSelection, getSelectionFromWidget, getSortedChildren, getVisibleExpandedElements, handleDoubleSelect, indexForElement, insert, internalCollapseToLevel, internalExpand, internalExpandToLevel, internalFindItems, internalGetWidgetToSelect, internalIsInputOrEmptyPath, internalRefresh, internalRefresh, internalRefresh, internalRemove, internalRemove, isSameSelection, labelProviderChanged, remove, remove, remove, removeTreeListener, reveal, scrollDown, scrollUp, setAutoExpandLevel, setExpandedElements, setExpandedState, setExpandedTreePaths, setSelectionToWidget, updateChildren

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

applyEditorValue, cancelEditing, checkBusy, getCell, getCellEditors, getCellModifier, getColumnProperties, getColumnViewerEditor, getItem, getLabelProvider, getViewerRow, hookEditingSupport, isBusy, isCellEditorActive, refresh, setBusy, setCellEditors, setCellModifier, setColumnProperties, setColumnViewerEditor, setLabelProvider, triggerEditorActivationEvent, update

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

addDoubleClickListener, addDragSupport, addDropSupport, addFilter, addOpenListener, addPostSelectionChangedListener, assertElementsNotNull, equals, filter, findItem, findItems, fireDoubleClick, fireOpen, firePostSelectionChanged, getColorAndFontCollector, getComparator, getComparer, getFilteredChildren, getFilters, getRoot, getSorter, handleDispose, handleInvalidSelection, handleLabelProviderChanged, handleOpen, handlePostSelect, handleSelect, hasFilters, internalUpdate, needsRefilter, preservingSelection, refresh, refresh, refreshItem, removeDoubleClickListener, removeFilter, removeOpenListener, removePostSelectionChangedListener, resetFilters, setComparator, setComparer, setFilters, setInput, setSorter, setUseHashlookup, testFindItem, testFindItems, unmapAllElements, unmapElement, unmapElement, update, updateItem, updateSelection, usingElementMap

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

getContentProvider, getInput

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

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.emf.compare.ui.viewer.content.part.IModelContentMergeViewerTab

addSelectionChangedListener, getControl

Methods inherited from interface org.eclipse.jface.viewers.ISelectionProvider

addSelectionChangedListener, removeSelectionChangedListener, setSelection

Field Detail

needsRedraw

protected boolean needsRedraw

Tells the tree viewer it needs to be redrawn.

partSide

protected final int partSide

int representing this viewer part side.

visibleItems

protected final java.util.List<org.eclipse.swt.widgets.Item> visibleItems

Caches visible elements.

parent

protected final ModelContentMergeTabFolder parent

Keeps a reference to the containing tab folder.

Since:

1.1

Constructor Detail

ModelContentMergeDiffTab

public ModelContentMergeDiffTab(org.eclipse.swt.widgets.Composite parentComposite,
                                int side,
                                ModelContentMergeTabFolder parentFolder)

Creates a tree viewer under the given parent control.

Parameters:

parentComposite - The parent Composite for this tree viewer.

side - Side of this viewer part.

parentFolder - Parent folder of this tab.

Method Detail

dispose

public void dispose()

Disposes of all resources allocated this tab.

Specified by:

dispose in interface IModelContentMergeViewerTab

See Also:

IModelContentMergeViewerTab.dispose()

getSelectedElements

public java.util.List<org.eclipse.swt.widgets.TreeItem> getSelectedElements()

Returns a List of the selected elements.

Specified by:

getSelectedElements in interface IModelContentMergeViewerTab

Returns:

List of the selected elements.

getUIItem

public ModelContentMergeTabItem getUIItem(org.eclipse.emf.ecore.EObject data)

This will be used when drawing the center part's marquees.

Specified by:

getUIItem in interface IModelContentMergeViewerTab

Parameters:

data - The data for which we need UI variables for.

Returns:

List of items corresponding to the given data, wrapped along with UI information.

See Also:

IModelContentMergeViewerTab.getUIItem(org.eclipse.emf.ecore.EObject)

getVisibleElements

public java.util.List<ModelContentMergeTabItem> getVisibleElements()

Returns a list of all the tree's visible elements.

Specified by:

getVisibleElements in interface IModelContentMergeViewerTab

Returns:

List containing all the tree's visible elements.

redraw

public void redraw()

Redraws the Control displayed by the tab.

Specified by:

redraw in interface IModelContentMergeViewerTab

See Also:

IModelContentMergeViewerTab.redraw()

refresh

public void refresh(java.lang.Object element,
                    boolean updateLabels)

Overrides:

refresh in class org.eclipse.jface.viewers.ColumnViewer

See Also:

ColumnViewer.refresh(java.lang.Object, boolean)

setReflectiveInput

public void setReflectiveInput(java.lang.Object object)

Sets the input of the tab.

This is often implemented by redirecting to the tab's "setInput(Object)" method.

Specified by:

setReflectiveInput in interface IModelContentMergeViewerTab

Parameters:

object - New input of the tab's viewer.

See Also:

IModelContentMergeViewerTab.setReflectiveInput(java.lang.Object)

showItems

public void showItems(java.util.List<DiffElement> items)

Ensures the first element of the given list of items is visible in the tree, and sets the tree's selection to this list.

Specified by:

showItems in interface IModelContentMergeViewerTab

Parameters:

items - Items to make visible.

clearCaches

protected final void clearCaches()

Invalidates all caches of the tab.

doFindInputItem

protected org.eclipse.swt.widgets.Widget doFindInputItem(java.lang.Object element)

Overrides:

doFindInputItem in class org.eclipse.jface.viewers.AbstractTreeViewer

See Also:

AbstractTreeViewer.doFindItem(java.lang.Object)

getTreePathFromItem

protected org.eclipse.jface.viewers.TreePath getTreePathFromItem(org.eclipse.swt.widgets.Item item)

Overriden to cache the result.

Overrides:

getTreePathFromItem in class org.eclipse.jface.viewers.AbstractTreeViewer

Parameters:

item - The item we seek the TreePath of.

Returns:

TreePath of the given item.

inputChanged

protected void inputChanged(java.lang.Object input,
                            java.lang.Object oldInput)

Overrides:

inputChanged in class org.eclipse.jface.viewers.AbstractTreeViewer

See Also:

AbstractTreeViewer.inputChanged(java.lang.Object, java.lang.Object)

setSelectionToWidget

protected void setSelectionToWidget(java.util.List l,
                                    boolean reveal)

Overrides:

setSelectionToWidget in class org.eclipse.jface.viewers.AbstractTreeViewer

See Also:

StructuredViewer.setSelectionToWidget(List, boolean)

setupCaches

protected final void setupCaches()

Sets up all necessary caches for navigation through the differences shown by this tab. This must be called at input setting.