Class CTreeComboViewer
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.nebula.widgets.ctreecombo.viewer.CTreeComboViewer
- All Implemented Interfaces:
org.eclipse.jface.viewers.IInputProvider
,org.eclipse.jface.viewers.IInputSelectionProvider
,org.eclipse.jface.viewers.IPostSelectionProvider
,org.eclipse.jface.viewers.ISelectionProvider
public class CTreeComboViewer
extends org.eclipse.jface.viewers.AbstractTreeViewer
A concrete viewer based either on an SWT
CTreeCombo
control.-
Nested Class Summary
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Field Summary
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Constructor Summary
Constructors Constructor Description CTreeComboViewer(CTreeCombo tree)
Creates a CTreeComboViewer viewer on the given tree control.CTreeComboViewer(org.eclipse.swt.widgets.Composite parent)
Creates a tree viewer on a newly-created tree control under the given parent.CTreeComboViewer(org.eclipse.swt.widgets.Composite parent, int style)
Creates a CTreeComboViewer viewer on a newly-created tree control under the given parent. -
Method Summary
Modifier and Type Method Description protected void
addTreeListener(org.eclipse.swt.widgets.Control c, org.eclipse.swt.events.TreeListener listener)
protected void
assertContentProviderType(org.eclipse.jface.viewers.IContentProvider provider)
protected void
createChildren(org.eclipse.swt.widgets.Widget widget)
protected org.eclipse.jface.viewers.ColumnViewerEditor
createViewerEditor()
protected void
disassociate(org.eclipse.swt.widgets.Item item)
protected int
doGetColumnCount()
void
editElement(java.lang.Object element, int column)
protected org.eclipse.swt.widgets.Item
getChild(org.eclipse.swt.widgets.Widget widget, int index)
protected org.eclipse.swt.widgets.Item[]
getChildren(org.eclipse.swt.widgets.Widget o)
protected org.eclipse.swt.widgets.Widget
getColumnViewerOwner(int columnIndex)
org.eclipse.swt.widgets.Control
getControl()
protected boolean
getExpanded(org.eclipse.swt.widgets.Item item)
protected org.eclipse.swt.widgets.Item
getItemAt(org.eclipse.swt.graphics.Point p)
protected int
getItemCount(org.eclipse.swt.widgets.Control widget)
protected int
getItemCount(org.eclipse.swt.widgets.Item item)
protected org.eclipse.swt.widgets.Item[]
getItems(org.eclipse.swt.widgets.Item item)
org.eclipse.jface.viewers.IBaseLabelProvider
getLabelProvider()
protected java.lang.Object
getParentElement(java.lang.Object element)
protected org.eclipse.swt.widgets.Item
getParentItem(org.eclipse.swt.widgets.Item item)
protected java.lang.Object[]
getRawChildren(java.lang.Object parent)
protected org.eclipse.swt.widgets.Item[]
getSelection(org.eclipse.swt.widgets.Control widget)
CTreeCombo
getTree()
Returns this CTreeCombo viewer's tree control.protected org.eclipse.jface.viewers.ViewerRow
getViewerRowFromItem(org.eclipse.swt.widgets.Widget item)
protected void
handleTreeExpand(org.eclipse.swt.events.TreeEvent event)
protected void
hookControl(org.eclipse.swt.widgets.Control control)
protected void
internalAdd(org.eclipse.swt.widgets.Widget widget, java.lang.Object parentElement, java.lang.Object[] childElements)
protected void
internalInitializeTree(org.eclipse.swt.widgets.Control widget)
boolean
isExpandable(java.lang.Object element)
protected void
mapElement(java.lang.Object element, org.eclipse.swt.widgets.Widget item)
protected org.eclipse.swt.widgets.Item
newItem(org.eclipse.swt.widgets.Widget parent, int flags, int ix)
void
remove(java.lang.Object parentOrTreePath, int index)
Removes the element at the specified index of the parent.protected void
removeAll(org.eclipse.swt.widgets.Control widget)
void
replace(java.lang.Object parentElementOrTreePath, int index, java.lang.Object element)
For a CTreeComboViewer with a ctreecombo with the VIRTUAL style bit set, replace the given parent's child at index with the given element.void
setChildCount(java.lang.Object elementOrTreePath, int count)
For a CTreeComboViewer with a ctreecombo with the VIRTUAL style bit set, set the number of children of the given element or tree path.void
setContentProvider(org.eclipse.jface.viewers.IContentProvider provider)
protected void
setExpanded(org.eclipse.swt.widgets.Item node, boolean expand)
void
setHasChildren(java.lang.Object elementOrTreePath, boolean hasChildren)
For a TreeViewer with a tree with the VIRTUAL style bit set, inform the viewer about whether the given element or tree path has children.protected void
setSelection(java.util.List<org.eclipse.swt.widgets.Item> items)
void
setSelection(org.eclipse.jface.viewers.ISelection selection, boolean reveal)
Sets a new selection for this viewer and optionally makes it visible.protected void
showItem(org.eclipse.swt.widgets.Item item)
protected void
updatePlus(org.eclipse.swt.widgets.Item item, java.lang.Object element)
Methods inherited from class org.eclipse.jface.viewers.AbstractTreeViewer
add, add, addSelectionListener, addTreeListener, associate, buildLabel, collapseAll, collapseToLevel, createTreeItem, doFindInputItem, doFindItem, doUpdateItem, doUpdateItem, expandAll, expandAll, expandToLevel, expandToLevel, expandToLevel, expandToLevel, fireTreeCollapsed, fireTreeExpanded, getAutoExpandLevel, getChildren, getExpandedElements, getExpandedState, getExpandedTreePaths, getNextItem, getPreviousItem, getSelection, getSelectionFromWidget, getSortedChildren, getStructuredSelection, getTreePathFromItem, getVisibleExpandedElements, handleDoubleSelect, handleTreeCollapse, indexForElement, inputChanged, 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, setExpandPreCheckFilters, setSelectionToWidget, setSelectionToWidget, updateChildren
Methods inherited from class org.eclipse.jface.viewers.ColumnViewer
applyEditorValue, cancelEditing, checkBusy, getCell, getCellEditors, getCellModifier, getColumnProperties, getColumnViewerEditor, getItem, getLabelProvider, getViewerRow, handleDispose, hookEditingSupport, isBusy, isCellEditorActive, refresh, 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, 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.Viewer
addHelpListener, addSelectionChangedListener, fireHelpRequested, fireSelectionChanged, getData, handleHelpRequest, removeHelpListener, removeSelectionChangedListener, setData, setSelection
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Constructor Details
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CTreeComboViewer
public CTreeComboViewer(org.eclipse.swt.widgets.Composite parent)Creates a tree viewer on a newly-created tree control under the given parent. The tree control is created using the SWT style bitsMULTI, H_SCROLL, V_SCROLL,
andBORDER
. The viewer has no input, no content provider, a default label provider, no sorter, and no filters.- Parameters:
parent
- the parent control
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CTreeComboViewer
public CTreeComboViewer(org.eclipse.swt.widgets.Composite parent, int style)Creates a CTreeComboViewer viewer on a newly-created tree control under the given parent. The CTreeCombo control is created using the given SWT style bits. The viewer has no input, no content provider, a default label provider, no sorter, and no filters.- Parameters:
parent
- the parent controlstyle
- the SWT style bits used to create the tree.
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CTreeComboViewer
Creates a CTreeComboViewer viewer on the given tree control. The viewer has no input, no content provider, a default label provider, no sorter, and no filters.- Parameters:
tree
- the tree control
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Method Details
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addTreeListener
protected void addTreeListener(org.eclipse.swt.widgets.Control c, org.eclipse.swt.events.TreeListener listener)- Specified by:
addTreeListener
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.addTreeListener(org.eclipse.swt.widgets.Control, org.eclipse.swt.events.TreeListener)
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getColumnViewerOwner
protected org.eclipse.swt.widgets.Widget getColumnViewerOwner(int columnIndex)- Overrides:
getColumnViewerOwner
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.getColumnViewerOwner(int)
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getChildren
protected org.eclipse.swt.widgets.Item[] getChildren(org.eclipse.swt.widgets.Widget o)- Specified by:
getChildren
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.getChildren(org.eclipse.swt.widgets.Widget)
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getControl
public org.eclipse.swt.widgets.Control getControl()- Specified by:
getControl
in classorg.eclipse.jface.viewers.Viewer
- See Also:
Viewer.getControl()
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getExpanded
protected boolean getExpanded(org.eclipse.swt.widgets.Item item)- Specified by:
getExpanded
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.getExpanded(org.eclipse.swt.widgets.Item)
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getItemAt
protected org.eclipse.swt.widgets.Item getItemAt(org.eclipse.swt.graphics.Point p)- Overrides:
getItemAt
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.getItemAt(org.eclipse.swt.graphics.Point)
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getItemCount
protected int getItemCount(org.eclipse.swt.widgets.Control widget)- Specified by:
getItemCount
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.getItemCount(org.eclipse.swt.widgets.Control)
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getItemCount
protected int getItemCount(org.eclipse.swt.widgets.Item item)- Specified by:
getItemCount
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.getItemCount(org.eclipse.swt.widgets.Item)
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getItems
protected org.eclipse.swt.widgets.Item[] getItems(org.eclipse.swt.widgets.Item item)- Specified by:
getItems
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.getItems(org.eclipse.swt.widgets.Item)
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getLabelProvider
public org.eclipse.jface.viewers.IBaseLabelProvider getLabelProvider()- Overrides:
getLabelProvider
in classorg.eclipse.jface.viewers.ContentViewer
- See Also:
ContentViewer.getLabelProvider()
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getParentItem
protected org.eclipse.swt.widgets.Item getParentItem(org.eclipse.swt.widgets.Item item)- Specified by:
getParentItem
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.getParentItem(org.eclipse.swt.widgets.Item)
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getSelection
protected org.eclipse.swt.widgets.Item[] getSelection(org.eclipse.swt.widgets.Control widget)- Specified by:
getSelection
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.getSelection(org.eclipse.swt.widgets.Control)
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getTree
Returns this CTreeCombo viewer's tree control.- Returns:
- the ctreecombo control
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hookControl
protected void hookControl(org.eclipse.swt.widgets.Control control)- Overrides:
hookControl
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.hookControl(org.eclipse.swt.widgets.Control)
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createViewerEditor
protected org.eclipse.jface.viewers.ColumnViewerEditor createViewerEditor()- Overrides:
createViewerEditor
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.createViewerEditor()
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newItem
protected org.eclipse.swt.widgets.Item newItem(org.eclipse.swt.widgets.Widget parent, int flags, int ix)- Specified by:
newItem
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.newItem(org.eclipse.swt.widgets.Widget, int, int)
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removeAll
protected void removeAll(org.eclipse.swt.widgets.Control widget)- Specified by:
removeAll
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.removeAll(org.eclipse.swt.widgets.Control)
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setExpanded
protected void setExpanded(org.eclipse.swt.widgets.Item node, boolean expand)- Specified by:
setExpanded
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.setExpanded(org.eclipse.swt.widgets.Item, boolean)
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setSelection
protected void setSelection(java.util.List<org.eclipse.swt.widgets.Item> items)- Specified by:
setSelection
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.setSelection(java.util.List)
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showItem
protected void showItem(org.eclipse.swt.widgets.Item item)- Specified by:
showItem
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.showItem(org.eclipse.swt.widgets.Item)
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getChild
protected org.eclipse.swt.widgets.Item getChild(org.eclipse.swt.widgets.Widget widget, int index)- Overrides:
getChild
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.getChild(org.eclipse.swt.widgets.Widget, int)
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assertContentProviderType
protected void assertContentProviderType(org.eclipse.jface.viewers.IContentProvider provider)- Overrides:
assertContentProviderType
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.assertContentProviderType(org.eclipse.jface.viewers.IContentProvider)
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getRawChildren
protected java.lang.Object[] getRawChildren(java.lang.Object parent)- Overrides:
getRawChildren
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.getRawChildren(java.lang.Object)
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setChildCount
public void setChildCount(java.lang.Object elementOrTreePath, int count)For a CTreeComboViewer with a ctreecombo with the VIRTUAL style bit set, set the number of children of the given element or tree path. To set the number of children of the invisible root of the tree, you can pass the input object or an empty tree path.- Parameters:
elementOrTreePath
- the element, or tree pathcount
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replace
public void replace(java.lang.Object parentElementOrTreePath, int index, java.lang.Object element)For a CTreeComboViewer with a ctreecombo with the VIRTUAL style bit set, replace the given parent's child at index with the given element. If the given parent is this viewer's input or an empty tree path, this will replace the root element at the given index.This method should be called by implementers of ILazyTreeContentProvider to populate this viewer.
- Parameters:
parentElementOrTreePath
- the parent of the element that should be updated, or the tree path to that parentindex
- the index in the parent's childrenelement
- the new element- See Also:
setChildCount(Object, int)
,ILazyTreeContentProvider
,ILazyTreePathContentProvider
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isExpandable
public boolean isExpandable(java.lang.Object element)- Overrides:
isExpandable
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.isExpandable(java.lang.Object)
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getParentElement
protected java.lang.Object getParentElement(java.lang.Object element)- Overrides:
getParentElement
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.getParentElement(java.lang.Object)
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createChildren
protected void createChildren(org.eclipse.swt.widgets.Widget widget)- Overrides:
createChildren
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.createChildren(org.eclipse.swt.widgets.Widget)
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internalAdd
protected void internalAdd(org.eclipse.swt.widgets.Widget widget, java.lang.Object parentElement, java.lang.Object[] childElements)- Overrides:
internalAdd
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.internalAdd(org.eclipse.swt.widgets.Widget, java.lang.Object, java.lang.Object[])
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mapElement
protected void mapElement(java.lang.Object element, org.eclipse.swt.widgets.Widget item)- Overrides:
mapElement
in classorg.eclipse.jface.viewers.StructuredViewer
- See Also:
StructuredViewer.mapElement(java.lang.Object, org.eclipse.swt.widgets.Widget)
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getViewerRowFromItem
protected org.eclipse.jface.viewers.ViewerRow getViewerRowFromItem(org.eclipse.swt.widgets.Widget item)- Overrides:
getViewerRowFromItem
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.getViewerRowFromItem(org.eclipse.swt.widgets.Widget)
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internalInitializeTree
protected void internalInitializeTree(org.eclipse.swt.widgets.Control widget)- Overrides:
internalInitializeTree
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.internalInitializeTree(org.eclipse.swt.widgets.Control)
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updatePlus
protected void updatePlus(org.eclipse.swt.widgets.Item item, java.lang.Object element)- Overrides:
updatePlus
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.updatePlus(org.eclipse.swt.widgets.Item, java.lang.Object)
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remove
public void remove(java.lang.Object parentOrTreePath, int index)Removes the element at the specified index of the parent. The selection is updated if required.- Parameters:
parentOrTreePath
- the parent element, the input element, or a tree path to the parent elementindex
- child index
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handleTreeExpand
protected void handleTreeExpand(org.eclipse.swt.events.TreeEvent event)- Overrides:
handleTreeExpand
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.handleTreeExpand(org.eclipse.swt.events.TreeEvent)
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setContentProvider
public void setContentProvider(org.eclipse.jface.viewers.IContentProvider provider)- Overrides:
setContentProvider
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.setContentProvider(org.eclipse.jface.viewers.IContentProvider)
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setHasChildren
public void setHasChildren(java.lang.Object elementOrTreePath, boolean hasChildren)For a TreeViewer with a tree with the VIRTUAL style bit set, inform the viewer about whether the given element or tree path has children. Avoid calling this method if the number of children has already been set.- Parameters:
elementOrTreePath
- the element, or tree pathhasChildren
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disassociate
protected void disassociate(org.eclipse.swt.widgets.Item item)- Overrides:
disassociate
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.disassociate(org.eclipse.swt.widgets.Item)
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doGetColumnCount
protected int doGetColumnCount()- Overrides:
doGetColumnCount
in classorg.eclipse.jface.viewers.AbstractTreeViewer
- See Also:
AbstractTreeViewer.doGetColumnCount()
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setSelection
public void setSelection(org.eclipse.jface.viewers.ISelection selection, boolean reveal)Sets a new selection for this viewer and optionally makes it visible.Currently the
reveal
parameter is not honored becauseTree
does not provide an API to only select an item without scrolling it into view- Overrides:
setSelection
in classorg.eclipse.jface.viewers.StructuredViewer
- Parameters:
selection
- the new selectionreveal
-true
if the selection is to be made visible, andfalse
otherwise
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editElement
public void editElement(java.lang.Object element, int column)- Overrides:
editElement
in classorg.eclipse.jface.viewers.ColumnViewer
- See Also:
ColumnViewer.editElement(java.lang.Object, int)
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