diff options
Diffstat (limited to 'org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/model/TreeModelLabelProvider.java')
| -rw-r--r-- | org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/model/TreeModelLabelProvider.java | 122 |
1 files changed, 61 insertions, 61 deletions
diff --git a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/model/TreeModelLabelProvider.java b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/model/TreeModelLabelProvider.java index cce0f4947..705b10734 100644 --- a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/model/TreeModelLabelProvider.java +++ b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/model/TreeModelLabelProvider.java @@ -45,17 +45,17 @@ import org.eclipse.swt.widgets.Display; /** * @since 3.3 */ -public class TreeModelLabelProvider extends ColumnLabelProvider - implements ITreeModelLabelProvider, IModelChangedListener +public class TreeModelLabelProvider extends ColumnLabelProvider + implements ITreeModelLabelProvider, IModelChangedListener { - + private IInternalTreeModelViewer fViewer; /** * Note: access this variable should be synchronized with <code>this</code>. */ private List<ILabelUpdate> fComplete; - + /** * Cache of images used for elements in this label provider. Label updates * use the method <code>getImage(...)</code> to cache images for @@ -76,32 +76,32 @@ public class TreeModelLabelProvider extends ColumnLabelProvider * RGB values. The colors are disposed with this label provider. */ private Map<RGB, Color> fColorCache = new HashMap<RGB, Color>(); - + /** * Label listeners */ private ListenerList<ILabelUpdateListener> fLabelListeners = new ListenerList<>(); - + /** * Updates waiting to be sent to the label provider. The map contains - * lists of updates, keyed using the provider. + * lists of updates, keyed using the provider. */ private Map<IElementLabelProvider, List<ILabelUpdate>> fPendingUpdates = new HashMap<IElementLabelProvider, List<ILabelUpdate>>(); - + /** * A runnable that will send the label update requests. - * This variable allows the job to be canceled and re-scheduled if - * new updates are requested. + * This variable allows the job to be canceled and re-scheduled if + * new updates are requested. */ private Runnable fPendingUpdatesRunnable; - + /** * List of updates in progress */ private List<ILabelUpdate> fUpdatesInProgress = new ArrayList<ILabelUpdate>(); - + /** - * Delta visitor actively cancels the outstanding label updates for + * Delta visitor actively cancels the outstanding label updates for * elements that are changed and are about to be updated. */ class CancelPendingUpdatesVisitor implements IModelDeltaVisitor { @@ -116,7 +116,7 @@ public class TreeModelLabelProvider extends ColumnLabelProvider } else if ((delta.getFlags() & IModelDelta.STATE) > 0) { cancelElementUpdates(delta.getElement(), false); return true; - } + } return true; } } @@ -125,7 +125,7 @@ public class TreeModelLabelProvider extends ColumnLabelProvider * Delta visitor */ private CancelPendingUpdatesVisitor fCancelPendingUpdatesVisitor = new CancelPendingUpdatesVisitor(); - + /** * Constructs a new label provider on the given display * @param viewer Viewer that this label provider is used with. @@ -134,11 +134,11 @@ public class TreeModelLabelProvider extends ColumnLabelProvider fViewer = viewer; fViewer.addModelChangedListener(this); } - + /** * Returns an image for the given image descriptor or <code>null</code>. Adds the image * to a cache of images if it does not already exist. - * + * * @param descriptor image descriptor or <code>null</code> * @return image or <code>null</code> */ @@ -157,17 +157,17 @@ public class TreeModelLabelProvider extends ColumnLabelProvider /** * Returns the display to use for resource allocation. - * + * * @return display */ private Display getDisplay() { return fViewer.getDisplay(); } - + /** - * Returns a font for the given font data or <code>null</code>. Adds the font to the font + * Returns a font for the given font data or <code>null</code>. Adds the font to the font * cache if not yet created. - * + * * @param fontData font data or <code>null</code> * @return font font or <code>null</code> */ @@ -182,12 +182,12 @@ public class TreeModelLabelProvider extends ColumnLabelProvider fFontCache.put(fontData, font); } return font; - } - + } + /** - * Returns a color for the given RGB or <code>null</code>. Adds the color to the color + * Returns a color for the given RGB or <code>null</code>. Adds the color to the color * cache if not yet created. - * + * * @param rgb RGB or <code>null</code> * @return color or <code>null</code> */ @@ -210,10 +210,10 @@ public class TreeModelLabelProvider extends ColumnLabelProvider @Override public void dispose() { Assert.isTrue(fViewer.getDisplay().getThread() == Thread.currentThread()); - + fViewer.removeModelChangedListener(this); fViewer = null; - + List<ILabelUpdate> complete = null; synchronized(this) { complete = fComplete; @@ -225,7 +225,7 @@ public class TreeModelLabelProvider extends ColumnLabelProvider } } for (ILabelUpdate currentUpdate : fUpdatesInProgress) { - currentUpdate.cancel(); + currentUpdate.cancel(); } if (fPendingUpdatesRunnable != null) { @@ -255,18 +255,18 @@ public class TreeModelLabelProvider extends ColumnLabelProvider private boolean isDisposed() { return fViewer == null; } - + @Override public void update(ViewerCell cell) { - // NOT USED - the viewer updates each row instead - } - + // NOT USED - the viewer updates each row instead + } + @Override public boolean update(TreePath elementPath) { Assert.isTrue(fViewer.getDisplay().getThread() == Thread.currentThread()); - + cancelPathUpdates(elementPath); - + String[] visibleColumns = fViewer.getVisibleColumns(); Object element = elementPath.getLastSegment(); IElementLabelProvider presentation = ViewerAdapterService.getLabelProvider(element); @@ -292,9 +292,9 @@ public class TreeModelLabelProvider extends ColumnLabelProvider return false; } } - + /** - * Cancel any outstanding updates that are running for this element. + * Cancel any outstanding updates that are running for this element. * @param elementPath Element to cancel updates for. */ private void cancelPathUpdates(TreePath elementPath) { @@ -308,28 +308,28 @@ public class TreeModelLabelProvider extends ColumnLabelProvider /** * Sets the element's display information in the viewer. - * - * @param path Element path. + * + * @param path Element path. * @param numColumns Number of columns in the data. - * @param labels Array of labels. The array cannot to be + * @param labels Array of labels. The array cannot to be * <code>null</code>, but values within the array may be. * @param images Array of image descriptors, may be <code>null</code>. * @param fontDatas Array of fond data objects, may be <code>null</code>. - * @param foregrounds Array of RGB values for foreground colors, may be + * @param foregrounds Array of RGB values for foreground colors, may be * <code>null</code>. - * @param backgrounds Array of RGB values for background colors, may be + * @param backgrounds Array of RGB values for background colors, may be * <code>null</code>. * @param checked Whether given item should be checked. * @param grayed Whether given item's checkbox should be grayed. */ void setElementData(TreePath path, int numColumns, String[] labels, ImageDescriptor[] images, - FontData[] fontDatas, RGB[] foregrounds, RGB[] backgrounds, boolean checked, boolean grayed) + FontData[] fontDatas, RGB[] foregrounds, RGB[] backgrounds, boolean checked, boolean grayed) { fViewer.setElementData(path, numColumns, labels, images, fontDatas, foregrounds, backgrounds); fViewer.setElementChecked(path, checked, grayed); } - + private void startRequests(Runnable runnable) { if (runnable != fPendingUpdatesRunnable) { return; @@ -347,11 +347,11 @@ public class TreeModelLabelProvider extends ColumnLabelProvider fPendingUpdates.clear(); fPendingUpdatesRunnable = null; } - + /** * Cancels all running updates for the given element. If seachFullPath is true, - * all updates will be canceled which have the given element anywhere in their - * patch. + * all updates will be canceled which have the given element anywhere in their + * patch. * @param element element to search for. * @param searchFullPath flag whether to look for the element in the full path * of the update @@ -367,7 +367,7 @@ public class TreeModelLabelProvider extends ColumnLabelProvider if (element.equals(updatePath.getSegment(i))) { currentUpdate.cancel(); break; // Exit the for loop, stay in the while loop - } + } } } } else { @@ -380,7 +380,7 @@ public class TreeModelLabelProvider extends ColumnLabelProvider /** * Returns the presentation context for this label provider. - * + * * @return presentation context */ private IPresentationContext getPresentationContext() { @@ -389,14 +389,14 @@ public class TreeModelLabelProvider extends ColumnLabelProvider /** * A label update is complete. - * + * * @param update Update that is to be completed. */ synchronized void complete(ILabelUpdate update) { if (fViewer == null) { return; } - + if (fComplete == null) { fComplete = new LinkedList<ILabelUpdate>(); fViewer.getDisplay().asyncExec(new Runnable() { @@ -422,28 +422,28 @@ public class TreeModelLabelProvider extends ColumnLabelProvider } fComplete.add(update); } - + @Override public void addLabelUpdateListener(ILabelUpdateListener listener) { fLabelListeners.add(listener); } - + @Override public void removeLabelUpdateListener(ILabelUpdateListener listener) { fLabelListeners.remove(listener); } - + /** * Notification an update request has started - * + * * @param update Update that was started */ void updateStarted(ILabelUpdate update) { Assert.isTrue(fViewer.getDisplay().getThread() == Thread.currentThread()); - + boolean begin = fUpdatesInProgress.isEmpty(); fUpdatesInProgress.add(update); - + if (begin) { if (DebugUIPlugin.DEBUG_UPDATE_SEQUENCE && DebugUIPlugin.DEBUG_TEST_PRESENTATION_ID(getPresentationContext())) { DebugUIPlugin.trace("LABEL SEQUENCE BEGINS"); //$NON-NLS-1$ @@ -455,15 +455,15 @@ public class TreeModelLabelProvider extends ColumnLabelProvider } notifyUpdate(TreeModelContentProvider.UPDATE_BEGINS, update); } - + /** * Notification an update request has completed - * + * * @param update Update that completed. */ void updateComplete(ILabelUpdate update) { fUpdatesInProgress.remove(update); - + if (DebugUIPlugin.DEBUG_UPDATE_SEQUENCE && DebugUIPlugin.DEBUG_TEST_PRESENTATION_ID(getPresentationContext())) { DebugUIPlugin.trace("\tEND - " + update); //$NON-NLS-1$ } @@ -475,7 +475,7 @@ public class TreeModelLabelProvider extends ColumnLabelProvider notifyUpdate(TreeModelContentProvider.UPDATE_SEQUENCE_COMPLETE, null); } } - + private void notifyUpdate(final int type, final ILabelUpdate update) { if (!fLabelListeners.isEmpty()) { for (ILabelUpdateListener iLabelUpdateListener : fLabelListeners) { @@ -513,5 +513,5 @@ public class TreeModelLabelProvider extends ColumnLabelProvider public void modelChanged(IModelDelta delta, IModelProxy proxy) { delta.accept(fCancelPendingUpdatesVisitor); } - + } |