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Lines 12-17
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import java.util.ArrayList; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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import java.util.Iterator; |
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import java.util.List; |
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import org.eclipse.jface.viewers.DecoratingLabelProvider; |
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import org.eclipse.jface.viewers.DecoratingLabelProvider; |
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import org.eclipse.jface.viewers.IBaseLabelProvider; |
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import org.eclipse.jface.viewers.IBaseLabelProvider; |
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Lines 23-28
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import org.eclipse.jface.viewers.ViewerSorter; |
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import org.eclipse.jface.viewers.ViewerSorter; |
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import org.eclipse.swt.dnd.DND; |
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import org.eclipse.swt.dnd.DND; |
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import org.eclipse.swt.events.DisposeEvent; |
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import org.eclipse.swt.events.DisposeEvent; |
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import org.eclipse.swt.events.SelectionEvent; |
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import org.eclipse.swt.widgets.Composite; |
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import org.eclipse.swt.widgets.Composite; |
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import org.eclipse.swt.widgets.Widget; |
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import org.eclipse.swt.widgets.Widget; |
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import org.eclipse.ui.PlatformUI; |
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import org.eclipse.ui.PlatformUI; |
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Lines 41-53
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* <p> |
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* <p> |
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* Clients may extend this class. |
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* Clients may extend this class. |
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* </p> |
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* </p> |
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* |
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* <p> |
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* Note that as of 3.2.1 and 3.3, the common viewer caches its selection. |
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* Clients must not set the selection of the viewer's tree control directly. |
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* </p> |
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* |
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* |
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* @since 3.2 |
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* @since 3.2 |
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*/ |
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*/ |
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public class CommonViewer extends TreeViewer { |
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public class CommonViewer extends TreeViewer { |
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private final NavigatorContentService contentService; |
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private final NavigatorContentService contentService; |
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private ISelection cachedSelection; |
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/** |
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/** |
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* <p> |
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* <p> |
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Lines 211-216
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if (contentService != null) { |
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if (contentService != null) { |
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contentService.dispose(); |
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contentService.dispose(); |
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} |
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} |
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clearSelectionCache(); |
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} |
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} |
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/** |
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/** |
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Lines 346-351
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} |
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} |
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} |
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} |
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} |
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} |
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/* (non-Javadoc) |
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* @see org.eclipse.jface.viewers.AbstractTreeViewer#setSelectionToWidget(java.util.List, boolean) |
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*/ |
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protected void setSelectionToWidget(List v, boolean reveal) { |
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clearSelectionCache(); |
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super.setSelectionToWidget(v, reveal); |
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} |
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/* (non-Javadoc) |
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* @see org.eclipse.jface.viewers.AbstractTreeViewer#handleDoubleSelect(org.eclipse.swt.events.SelectionEvent) |
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*/ |
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protected void handleDoubleSelect(SelectionEvent event) { |
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clearSelectionCache(); |
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super.handleDoubleSelect(event); |
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} |
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/* (non-Javadoc) |
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* @see org.eclipse.jface.viewers.StructuredViewer#handleOpen(org.eclipse.swt.events.SelectionEvent) |
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*/ |
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protected void handleOpen(SelectionEvent event) { |
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clearSelectionCache(); |
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super.handleOpen(event); |
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} |
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/* (non-Javadoc) |
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* @see org.eclipse.jface.viewers.StructuredViewer#handlePostSelect(org.eclipse.swt.events.SelectionEvent) |
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*/ |
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protected void handlePostSelect(SelectionEvent e) { |
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clearSelectionCache(); |
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super.handlePostSelect(e); |
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} |
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/* (non-Javadoc) |
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* @see org.eclipse.jface.viewers.StructuredViewer#handleSelect(org.eclipse.swt.events.SelectionEvent) |
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*/ |
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protected void handleSelect(SelectionEvent event) { |
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clearSelectionCache(); |
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super.handleSelect(event); |
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} |
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/** |
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* Clears the selection cache. |
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*/ |
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private void clearSelectionCache() { |
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cachedSelection = null; |
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} |
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/** |
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* Returns the current selection. |
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* <p> |
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* Note that as of 3.2.1 and 3.3, the common viewer caches its selection. |
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* Clients must not set the selection of the viewer's tree control directly. |
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* </p> |
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* |
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* @see org.eclipse.jface.viewers.AbstractTreeViewer#getSelection() |
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*/ |
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public ISelection getSelection() { |
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if (cachedSelection == null) { |
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cachedSelection = super.getSelection(); |
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} |
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return cachedSelection; |
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} |
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/* |
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/* |
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* (non-Javadoc) |
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* (non-Javadoc) |
