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 | 268 |
1 files changed, 134 insertions, 134 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 dbf6f53c2..bbde049f8 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 @@ -49,7 +49,7 @@ import org.eclipse.swt.widgets.Display; * @since 3.3 */ public class TreeModelLabelProvider extends ColumnLabelProvider - implements ITreeModelLabelProvider, IModelChangedListener + implements ITreeModelLabelProvider, IModelChangedListener { private IInternalTreeModelViewer fViewer; @@ -103,28 +103,28 @@ public class TreeModelLabelProvider extends ColumnLabelProvider */ private List<ILabelUpdate> fUpdatesInProgress = new ArrayList<>(); - /** - * Delta visitor actively cancels the outstanding label updates for - * elements that are changed and are about to be updated. - */ - class CancelPendingUpdatesVisitor implements IModelDeltaVisitor { - @Override + /** + * Delta visitor actively cancels the outstanding label updates for + * elements that are changed and are about to be updated. + */ + class CancelPendingUpdatesVisitor implements IModelDeltaVisitor { + @Override public boolean visit(IModelDelta delta, int depth) { - if ((delta.getFlags() & IModelDelta.CONTENT) > 0) { - cancelElementUpdates(delta.getElement(), true); - return false; - } else if ((delta.getFlags() & IModelDelta.STATE) > 0) { - cancelElementUpdates(delta.getElement(), false); - return true; - } - return true; - } - } - - /** - * Delta visitor - */ - private CancelPendingUpdatesVisitor fCancelPendingUpdatesVisitor = new CancelPendingUpdatesVisitor(); + if ((delta.getFlags() & IModelDelta.CONTENT) > 0) { + cancelElementUpdates(delta.getElement(), true); + return false; + } else if ((delta.getFlags() & IModelDelta.STATE) > 0) { + cancelElementUpdates(delta.getElement(), false); + return true; + } + return true; + } + } + + /** + * Delta visitor + */ + private CancelPendingUpdatesVisitor fCancelPendingUpdatesVisitor = new CancelPendingUpdatesVisitor(); /** * Constructs a new label provider on the given display @@ -206,21 +206,21 @@ public class TreeModelLabelProvider extends ColumnLabelProvider @Override public void dispose() { - Assert.isTrue(fViewer.getDisplay().getThread() == Thread.currentThread()); + Assert.isTrue(fViewer.getDisplay().getThread() == Thread.currentThread()); - fViewer.removeModelChangedListener(this); - fViewer = null; + fViewer.removeModelChangedListener(this); + fViewer = null; List<ILabelUpdate> complete = null; - synchronized(this) { - complete = fComplete; - fComplete = null; - } - if (complete != null) { + synchronized(this) { + complete = fComplete; + fComplete = null; + } + if (complete != null) { for (ILabelUpdate update : complete) { update.cancel(); } - } + } for (ILabelUpdate currentUpdate : fUpdatesInProgress) { currentUpdate.cancel(); } @@ -231,7 +231,7 @@ public class TreeModelLabelProvider extends ColumnLabelProvider for (List<ILabelUpdate> updateList : fPendingUpdates.values()) { for (ILabelUpdate update : updateList) { update.cancel(); - } + } } fPendingUpdates.clear(); for (Image image : fImageCache.values()) { @@ -250,7 +250,7 @@ public class TreeModelLabelProvider extends ColumnLabelProvider } private boolean isDisposed() { - return fViewer == null; + return fViewer == null; } @Override @@ -260,120 +260,120 @@ public class TreeModelLabelProvider extends ColumnLabelProvider @Override public boolean update(TreePath elementPath) { - Assert.isTrue(fViewer.getDisplay().getThread() == Thread.currentThread()); + Assert.isTrue(fViewer.getDisplay().getThread() == Thread.currentThread()); - cancelPathUpdates(elementPath); + cancelPathUpdates(elementPath); String[] visibleColumns = fViewer.getVisibleColumns(); Object element = elementPath.getLastSegment(); IElementLabelProvider presentation = ViewerAdapterService.getLabelProvider(element); if (presentation != null) { List<ILabelUpdate> updates = fPendingUpdates.get(presentation); - if (updates == null) { + if (updates == null) { updates = new LinkedList<>(); - fPendingUpdates.put(presentation, updates); - } - updates.add(new LabelUpdate(fViewer.getInput(), elementPath, this, visibleColumns, fViewer.getPresentationContext())); - fPendingUpdatesRunnable = new Runnable() { - @Override + fPendingUpdates.put(presentation, updates); + } + updates.add(new LabelUpdate(fViewer.getInput(), elementPath, this, visibleColumns, fViewer.getPresentationContext())); + fPendingUpdatesRunnable = new Runnable() { + @Override public void run() { - if (isDisposed()) { + if (isDisposed()) { return; } - startRequests(this); - } - }; - fViewer.getDisplay().asyncExec(fPendingUpdatesRunnable); + startRequests(this); + } + }; + fViewer.getDisplay().asyncExec(fPendingUpdatesRunnable); return true; } else { - return false; + 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) { - Assert.isTrue(fViewer.getDisplay().getThread() == Thread.currentThread()); + */ + private void cancelPathUpdates(TreePath elementPath) { + Assert.isTrue(fViewer.getDisplay().getThread() == Thread.currentThread()); for (ILabelUpdate currentUpdate : fUpdatesInProgress) { - if (elementPath.equals(currentUpdate.getElementPath())) { - currentUpdate.cancel(); - } - } - } - - /** - * Sets the element's display information in the viewer. - * - * @param path Element path. - * @param numColumns Number of columns in the data. - * @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 - * <code>null</code>. - * @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) - { - fViewer.setElementData(path, numColumns, labels, images, fontDatas, foregrounds, backgrounds); - fViewer.setElementChecked(path, checked, grayed); - } + if (elementPath.equals(currentUpdate.getElementPath())) { + currentUpdate.cancel(); + } + } + } + + /** + * Sets the element's display information in the viewer. + * + * @param path Element path. + * @param numColumns Number of columns in the data. + * @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 + * <code>null</code>. + * @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) + { + fViewer.setElementData(path, numColumns, labels, images, fontDatas, foregrounds, backgrounds); + fViewer.setElementChecked(path, checked, grayed); + } private void startRequests(Runnable runnable) { - if (runnable != fPendingUpdatesRunnable) { - return; - } - if (!fPendingUpdates.isEmpty()) { + if (runnable != fPendingUpdatesRunnable) { + return; + } + if (!fPendingUpdates.isEmpty()) { List<ILabelUpdate> list = null; for (Entry<IElementLabelProvider, List<ILabelUpdate>> entry : fPendingUpdates.entrySet()) { list = entry.getValue(); for (ILabelUpdate update : list) { updateStarted(update); - } + } entry.getKey().update(list.toArray(new ILabelUpdate[list.size()])); - } - } - fPendingUpdates.clear(); - fPendingUpdatesRunnable = null; + } + } + 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. - * @param element element to search for. - * @param searchFullPath flag whether to look for the element in the full path - * of the update - */ - private void cancelElementUpdates(Object element, boolean searchFullPath) { + /** + * 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. + * @param element element to search for. + * @param searchFullPath flag whether to look for the element in the full path + * of the update + */ + private void cancelElementUpdates(Object element, boolean searchFullPath) { for (ILabelUpdate currentUpdate : fUpdatesInProgress) { - if (searchFullPath) { - if (element.equals(fViewer.getInput())) { - currentUpdate.cancel(); - } else { - TreePath updatePath = currentUpdate.getElementPath(); - for (int i = 0; i < updatePath.getSegmentCount(); i++) { - if (element.equals(updatePath.getSegment(i))) { - currentUpdate.cancel(); - break; // Exit the for loop, stay in the while loop - } - } - } - } else { - if (element.equals(currentUpdate.getElement())) { - currentUpdate.cancel(); - } - } - } - } + if (searchFullPath) { + if (element.equals(fViewer.getInput())) { + currentUpdate.cancel(); + } else { + TreePath updatePath = currentUpdate.getElementPath(); + for (int i = 0; i < updatePath.getSegmentCount(); i++) { + if (element.equals(updatePath.getSegment(i))) { + currentUpdate.cancel(); + break; // Exit the for loop, stay in the while loop + } + } + } + } else { + if (element.equals(currentUpdate.getElement())) { + currentUpdate.cancel(); + } + } + } + } /** * Returns the presentation context for this label provider. @@ -384,13 +384,13 @@ public class TreeModelLabelProvider extends ColumnLabelProvider return fViewer.getPresentationContext(); } - /** - * A label update is complete. - * - * @param update Update that is to be completed. - */ - synchronized void complete(ILabelUpdate update) { - if (fViewer == null) { + /** + * A label update is complete. + * + * @param update Update that is to be completed. + */ + synchronized void complete(ILabelUpdate update) { + if (fViewer == null) { return; } @@ -411,11 +411,11 @@ public class TreeModelLabelProvider extends ColumnLabelProvider } else { ((LabelUpdate) itrUpdate).performUpdate(); } - } + } }); } fComplete.add(update); - } + } @Override public void addLabelUpdateListener(ILabelUpdateListener listener) { @@ -433,7 +433,7 @@ public class TreeModelLabelProvider extends ColumnLabelProvider * @param update Update that was started */ void updateStarted(ILabelUpdate update) { - Assert.isTrue(fViewer.getDisplay().getThread() == Thread.currentThread()); + Assert.isTrue(fViewer.getDisplay().getThread() == Thread.currentThread()); boolean begin = fUpdatesInProgress.isEmpty(); fUpdatesInProgress.add(update); @@ -444,8 +444,8 @@ public class TreeModelLabelProvider extends ColumnLabelProvider } notifyUpdate(TreeModelContentProvider.UPDATE_SEQUENCE_BEGINS, null); } - if (DebugUIPlugin.DEBUG_UPDATE_SEQUENCE && DebugUIPlugin.DEBUG_TEST_PRESENTATION_ID(getPresentationContext())) { - DebugUIPlugin.trace("\tBEGIN - " + update); //$NON-NLS-1$ + if (DebugUIPlugin.DEBUG_UPDATE_SEQUENCE && DebugUIPlugin.DEBUG_TEST_PRESENTATION_ID(getPresentationContext())) { + DebugUIPlugin.trace("\tBEGIN - " + update); //$NON-NLS-1$ } notifyUpdate(TreeModelContentProvider.UPDATE_BEGINS, update); } @@ -458,13 +458,13 @@ public class TreeModelLabelProvider extends ColumnLabelProvider void updateComplete(ILabelUpdate update) { fUpdatesInProgress.remove(update); - if (DebugUIPlugin.DEBUG_UPDATE_SEQUENCE && DebugUIPlugin.DEBUG_TEST_PRESENTATION_ID(getPresentationContext())) { - DebugUIPlugin.trace("\tEND - " + update); //$NON-NLS-1$ + if (DebugUIPlugin.DEBUG_UPDATE_SEQUENCE && DebugUIPlugin.DEBUG_TEST_PRESENTATION_ID(getPresentationContext())) { + DebugUIPlugin.trace("\tEND - " + update); //$NON-NLS-1$ } notifyUpdate(TreeModelContentProvider.UPDATE_COMPLETE, update); if (fUpdatesInProgress.isEmpty()) { - if (DebugUIPlugin.DEBUG_UPDATE_SEQUENCE && DebugUIPlugin.DEBUG_TEST_PRESENTATION_ID(getPresentationContext())) { - DebugUIPlugin.trace("LABEL SEQUENCE ENDS"); //$NON-NLS-1$ + if (DebugUIPlugin.DEBUG_UPDATE_SEQUENCE && DebugUIPlugin.DEBUG_TEST_PRESENTATION_ID(getPresentationContext())) { + DebugUIPlugin.trace("LABEL SEQUENCE ENDS"); //$NON-NLS-1$ } notifyUpdate(TreeModelContentProvider.UPDATE_SEQUENCE_COMPLETE, null); } @@ -505,7 +505,7 @@ public class TreeModelLabelProvider extends ColumnLabelProvider @Override public void modelChanged(IModelDelta delta, IModelProxy proxy) { - delta.accept(fCancelPendingUpdatesVisitor); - } + delta.accept(fCancelPendingUpdatesVisitor); + } } |