diff options
Diffstat (limited to 'org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/launch/LaunchViewBreadcrumb.java')
| -rw-r--r-- | org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/launch/LaunchViewBreadcrumb.java | 840 |
1 files changed, 420 insertions, 420 deletions
diff --git a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/launch/LaunchViewBreadcrumb.java b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/launch/LaunchViewBreadcrumb.java index 338adc355..ccb12f2c1 100644 --- a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/launch/LaunchViewBreadcrumb.java +++ b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/launch/LaunchViewBreadcrumb.java @@ -66,497 +66,497 @@ import org.eclipse.ui.progress.UIJob; */ public class LaunchViewBreadcrumb extends AbstractBreadcrumb implements IDebugContextListener, ILabelUpdateListener { - private static class Input { - final TreePath fPath; + private static class Input { + final TreePath fPath; - Input(TreePath path) { - fPath = path; - } + Input(TreePath path) { + fPath = path; + } - @Override + @Override public boolean equals(Object obj) { - return obj instanceof Input && - ((fPath == null && ((Input)obj).fPath == null) || - (fPath != null && fPath.equals( ((Input)obj).fPath ))); - } + return obj instanceof Input && + ((fPath == null && ((Input)obj).fPath == null) || + (fPath != null && fPath.equals( ((Input)obj).fPath ))); + } - @Override + @Override public int hashCode() { - return fPath == null ? 0 : fPath.hashCode(); - } - } + return fPath == null ? 0 : fPath.hashCode(); + } + } - private static class ContentProvider implements ITreePathContentProvider { + private static class ContentProvider implements ITreePathContentProvider { - private static final Object[] EMPTY_ELEMENTS_ARRAY = new Object[0]; + private static final Object[] EMPTY_ELEMENTS_ARRAY = new Object[0]; - public Input fInput; + public Input fInput; - @Override + @Override public Object[] getChildren(TreePath parentPath) { - if (hasChildren(parentPath)) { - return new Object[] { fInput.fPath.getSegment(parentPath.getSegmentCount()) }; - } - return EMPTY_ELEMENTS_ARRAY; - } + if (hasChildren(parentPath)) { + return new Object[] { fInput.fPath.getSegment(parentPath.getSegmentCount()) }; + } + return EMPTY_ELEMENTS_ARRAY; + } - @Override + @Override public TreePath[] getParents(Object element) { - // Not supported - return new TreePath[] { TreePath.EMPTY }; - } + // Not supported + return new TreePath[] { TreePath.EMPTY }; + } - @Override + @Override public boolean hasChildren(TreePath parentPath) { - if ( parentPath.getSegmentCount() == 0) { - return fInput != null; - } else if (fInput != null && - fInput.fPath != null && - fInput.fPath.getSegmentCount() > parentPath.getSegmentCount()) - { - for (int i = 0; i < parentPath.getSegmentCount(); i++) { - if (i >= fInput.fPath.getSegmentCount()) { - return false; - } else { - Object parentElement = parentPath.getSegment(i); - Object contextElement = fInput.fPath.getSegment(i); - if (!parentElement.equals(contextElement)) { - return false; - } - } - } - return true; - } - return false; - } - - @Override + if ( parentPath.getSegmentCount() == 0) { + return fInput != null; + } else if (fInput != null && + fInput.fPath != null && + fInput.fPath.getSegmentCount() > parentPath.getSegmentCount()) + { + for (int i = 0; i < parentPath.getSegmentCount(); i++) { + if (i >= fInput.fPath.getSegmentCount()) { + return false; + } else { + Object parentElement = parentPath.getSegment(i); + Object contextElement = fInput.fPath.getSegment(i); + if (!parentElement.equals(contextElement)) { + return false; + } + } + } + return true; + } + return false; + } + + @Override public Object[] getElements(Object inputElement) { - if (fInput != null && - fInput.fPath != null) - { - return getChildren(TreePath.EMPTY); - } else { - return new Object[] { fgEmptyDebugContextElement }; - } - } - - @Override + if (fInput != null && + fInput.fPath != null) + { + return getChildren(TreePath.EMPTY); + } else { + return new Object[] { fgEmptyDebugContextElement }; + } + } + + @Override public void dispose() { - fInput = null; - } + fInput = null; + } - @Override + @Override public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { - if (newInput instanceof Input) { - fInput = ((Input)newInput); - } else { - fInput = null; - } - } - } - - private class LabelProvider extends BaseLabelProvider implements ITreePathLabelProvider { - @Override + if (newInput instanceof Input) { + fInput = ((Input)newInput); + } else { + fInput = null; + } + } + } + + private class LabelProvider extends BaseLabelProvider implements ITreePathLabelProvider { + @Override public void updateLabel(ViewerLabel label, TreePath elementPath) { - if (fgEmptyDebugContextElement.equals(elementPath.getLastSegment())) { - label.setText(LaunchViewMessages.Breadcrumb_NoActiveContext); - label.setImage(null); - } else { - ViewerLabel treeViewerLabel = fTreeViewer.getElementLabel(elementPath, null); - if (treeViewerLabel == null) { - label.setText(LaunchViewMessages.Breadcrumb_NoActiveContext); - label.setImage(null); - } else { - label.setText(treeViewerLabel.getText()); - label.setTooltipText(treeViewerLabel.getText()); - label.setImage(treeViewerLabel.getImage()); - label.setFont(treeViewerLabel.getFont()); - label.setForeground(treeViewerLabel.getForeground()); - label.setBackground(treeViewerLabel.getBackground()); - - } - } - } - } - - private final LaunchView fView; - private final TreeModelViewer fTreeViewer; - private final IDebugContextProvider fTreeViewerContextProvider; - private Input fBreadcrumbInput; - static final private Object fgEmptyDebugContextElement = new Object(); - private BreadcrumbViewer fViewer; - private boolean fRefreshBreadcrumb = false; - - private class BreadcrumbContextProvider extends AbstractDebugContextProvider implements IDebugContextListener, ISelectionChangedListener { - - private ISelection fBreadcrumbSelection = null; - - BreadcrumbContextProvider() { - super(fView); - fViewer.addSelectionChangedListener(this); - fBreadcrumbSelection = fViewer.getSelection(); - fTreeViewerContextProvider.addDebugContextListener(this); - } - - @Override + if (fgEmptyDebugContextElement.equals(elementPath.getLastSegment())) { + label.setText(LaunchViewMessages.Breadcrumb_NoActiveContext); + label.setImage(null); + } else { + ViewerLabel treeViewerLabel = fTreeViewer.getElementLabel(elementPath, null); + if (treeViewerLabel == null) { + label.setText(LaunchViewMessages.Breadcrumb_NoActiveContext); + label.setImage(null); + } else { + label.setText(treeViewerLabel.getText()); + label.setTooltipText(treeViewerLabel.getText()); + label.setImage(treeViewerLabel.getImage()); + label.setFont(treeViewerLabel.getFont()); + label.setForeground(treeViewerLabel.getForeground()); + label.setBackground(treeViewerLabel.getBackground()); + + } + } + } + } + + private final LaunchView fView; + private final TreeModelViewer fTreeViewer; + private final IDebugContextProvider fTreeViewerContextProvider; + private Input fBreadcrumbInput; + static final private Object fgEmptyDebugContextElement = new Object(); + private BreadcrumbViewer fViewer; + private boolean fRefreshBreadcrumb = false; + + private class BreadcrumbContextProvider extends AbstractDebugContextProvider implements IDebugContextListener, ISelectionChangedListener { + + private ISelection fBreadcrumbSelection = null; + + BreadcrumbContextProvider() { + super(fView); + fViewer.addSelectionChangedListener(this); + fBreadcrumbSelection = fViewer.getSelection(); + fTreeViewerContextProvider.addDebugContextListener(this); + } + + @Override public ISelection getActiveContext() { - if (fBreadcrumbSelection != null && !fBreadcrumbSelection.isEmpty()) { - return fBreadcrumbSelection; - } else { - ISelection treeViewerSelection = fTreeViewerContextProvider.getActiveContext(); - return treeViewerSelection != null ? treeViewerSelection : StructuredSelection.EMPTY; - } - } - - void dispose() { - fViewer.removeSelectionChangedListener(this); - fTreeViewerContextProvider.removeDebugContextListener(this); - } - - @Override + if (fBreadcrumbSelection != null && !fBreadcrumbSelection.isEmpty()) { + return fBreadcrumbSelection; + } else { + ISelection treeViewerSelection = fTreeViewerContextProvider.getActiveContext(); + return treeViewerSelection != null ? treeViewerSelection : StructuredSelection.EMPTY; + } + } + + void dispose() { + fViewer.removeSelectionChangedListener(this); + fTreeViewerContextProvider.removeDebugContextListener(this); + } + + @Override public void debugContextChanged(DebugContextEvent event) { - fire(new DebugContextEvent(this, getActiveContext(), event.getFlags())); - } + fire(new DebugContextEvent(this, getActiveContext(), event.getFlags())); + } - @Override + @Override public void selectionChanged(SelectionChangedEvent event) { - ISelection oldContext = getActiveContext(); - fBreadcrumbSelection = event.getSelection(); - if (!getActiveContext().equals(oldContext)) { - fire(new DebugContextEvent(this, getActiveContext(), DebugContextEvent.ACTIVATED)); - } - } - } - - private BreadcrumbContextProvider fBreadcrumbContextProvider; - - public LaunchViewBreadcrumb(LaunchView view, TreeModelViewer treeViewer, IDebugContextProvider contextProvider) { - fView = view; - fTreeViewer = treeViewer; - fTreeViewer.addLabelUpdateListener(this); - fTreeViewerContextProvider = contextProvider; - fBreadcrumbInput = new Input( getPathForSelection(fTreeViewerContextProvider.getActiveContext()) ); - fTreeViewerContextProvider.addDebugContextListener(this); - } - - @Override + ISelection oldContext = getActiveContext(); + fBreadcrumbSelection = event.getSelection(); + if (!getActiveContext().equals(oldContext)) { + fire(new DebugContextEvent(this, getActiveContext(), DebugContextEvent.ACTIVATED)); + } + } + } + + private BreadcrumbContextProvider fBreadcrumbContextProvider; + + public LaunchViewBreadcrumb(LaunchView view, TreeModelViewer treeViewer, IDebugContextProvider contextProvider) { + fView = view; + fTreeViewer = treeViewer; + fTreeViewer.addLabelUpdateListener(this); + fTreeViewerContextProvider = contextProvider; + fBreadcrumbInput = new Input( getPathForSelection(fTreeViewerContextProvider.getActiveContext()) ); + fTreeViewerContextProvider.addDebugContextListener(this); + } + + @Override protected void activateBreadcrumb() { - } + } - @Override + @Override protected void deactivateBreadcrumb() { - if (fViewer.isDropDownOpen()) { - Shell shell = fViewer.getDropDownShell(); - if (shell != null && !shell.isDisposed()) { - shell.close(); - } - } - } - - @Override + if (fViewer.isDropDownOpen()) { + Shell shell = fViewer.getDropDownShell(); + if (shell != null && !shell.isDisposed()) { + shell.close(); + } + } + } + + @Override protected BreadcrumbViewer createViewer(Composite parent) { - fViewer = new BreadcrumbViewer(parent, SWT.NONE) { - @Override + fViewer = new BreadcrumbViewer(parent, SWT.NONE) { + @Override protected Control createDropDown(Composite dropDownParent, IBreadcrumbDropDownSite site, TreePath path) { - return createDropDownControl(dropDownParent, site, path); - } - }; + return createDropDownControl(dropDownParent, site, path); + } + }; - // Force the layout of the breadcrumb viewer so that we may calcualte - // its proper size. - parent.pack(true); + // Force the layout of the breadcrumb viewer so that we may calcualte + // its proper size. + parent.pack(true); - fViewer.setContentProvider(new ContentProvider()); - fViewer.setLabelProvider(new LabelProvider()); + fViewer.setContentProvider(new ContentProvider()); + fViewer.setLabelProvider(new LabelProvider()); - createMenuManager(); + createMenuManager(); - fViewer.setInput(getCurrentInput()); + fViewer.setInput(getCurrentInput()); - fBreadcrumbContextProvider = new BreadcrumbContextProvider(); + fBreadcrumbContextProvider = new BreadcrumbContextProvider(); - return fViewer; - } + return fViewer; + } - protected void createMenuManager() { - MenuManager menuMgr = new MenuManager("#PopUp"); //$NON-NLS-1$ - menuMgr.setRemoveAllWhenShown(true); - menuMgr.addMenuListener(new IMenuListener() { - @Override + protected void createMenuManager() { + MenuManager menuMgr = new MenuManager("#PopUp"); //$NON-NLS-1$ + menuMgr.setRemoveAllWhenShown(true); + menuMgr.addMenuListener(new IMenuListener() { + @Override public void menuAboutToShow(IMenuManager mgr) { - fView.fillContextMenu(mgr); - } - }); - final Menu menu= menuMgr.createContextMenu(fViewer.getControl()); - - // register the context menu such that other plug-ins may contribute to it - if (fView.getSite() != null) { - fView.getSite().registerContextMenu(menuMgr, fViewer); - } - fView.addContextMenuManager(menuMgr); - - fViewer.addMenuDetectListener(new MenuDetectListener() { - @Override + fView.fillContextMenu(mgr); + } + }); + final Menu menu= menuMgr.createContextMenu(fViewer.getControl()); + + // register the context menu such that other plug-ins may contribute to it + if (fView.getSite() != null) { + fView.getSite().registerContextMenu(menuMgr, fViewer); + } + fView.addContextMenuManager(menuMgr); + + fViewer.addMenuDetectListener(new MenuDetectListener() { + @Override public void menuDetected(MenuDetectEvent event) { - menu.setLocation(event.x + 10, event.y + 10); - menu.setVisible(true); - while (!menu.isDisposed() && menu.isVisible()) { - if (!menu.getDisplay().readAndDispatch()) { + menu.setLocation(event.x + 10, event.y + 10); + menu.setVisible(true); + while (!menu.isDisposed() && menu.isVisible()) { + if (!menu.getDisplay().readAndDispatch()) { menu.getDisplay().sleep(); } - } - } - }); - } + } + } + }); + } - @Override + @Override protected Object getCurrentInput() { - return fBreadcrumbInput; - } + return fBreadcrumbInput; + } - @Override + @Override protected boolean open(ISelection selection) { - // Let the drop-down control implementation itself handle activating a new context. - return false; - } + // Let the drop-down control implementation itself handle activating a new context. + return false; + } - @Override + @Override public void dispose() { - fTreeViewerContextProvider.removeDebugContextListener(this); - fTreeViewer.removeLabelUpdateListener(this); - if (fBreadcrumbContextProvider != null) { - fBreadcrumbContextProvider.dispose(); - fBreadcrumbContextProvider = null; - } - fViewer = null; - super.dispose(); - } - - @Override + fTreeViewerContextProvider.removeDebugContextListener(this); + fTreeViewer.removeLabelUpdateListener(this); + if (fBreadcrumbContextProvider != null) { + fBreadcrumbContextProvider.dispose(); + fBreadcrumbContextProvider = null; + } + fViewer = null; + super.dispose(); + } + + @Override public void debugContextChanged(DebugContextEvent event) { - if (fView.isBreadcrumbVisible()) { - fBreadcrumbInput = new Input(getPathForSelection(event.getContext())); - if ((event.getFlags() & DebugContextEvent.ACTIVATED) != 0) { - setInput(getCurrentInput()); - - // If the context was activated, then clear the selection in breadcrumb - // so that the activated context will become the active context for the - // window. - fViewer.setSelection(StructuredSelection.EMPTY); - } else { - refresh(); - } - } - } - - @Override + if (fView.isBreadcrumbVisible()) { + fBreadcrumbInput = new Input(getPathForSelection(event.getContext())); + if ((event.getFlags() & DebugContextEvent.ACTIVATED) != 0) { + setInput(getCurrentInput()); + + // If the context was activated, then clear the selection in breadcrumb + // so that the activated context will become the active context for the + // window. + fViewer.setSelection(StructuredSelection.EMPTY); + } else { + refresh(); + } + } + } + + @Override public void labelUpdateStarted(ILabelUpdate update) { - } + } - @Override + @Override public void labelUpdateComplete(ILabelUpdate update) { - if (fBreadcrumbInput != null && fBreadcrumbInput.fPath != null) { - if (fBreadcrumbInput.fPath.startsWith(update.getElementPath(), null)) { - synchronized (this) { - fRefreshBreadcrumb = true; - } - } - } - } - - @Override + if (fBreadcrumbInput != null && fBreadcrumbInput.fPath != null) { + if (fBreadcrumbInput.fPath.startsWith(update.getElementPath(), null)) { + synchronized (this) { + fRefreshBreadcrumb = true; + } + } + } + } + + @Override public void labelUpdatesBegin() { - } + } - @Override + @Override public void labelUpdatesComplete() { - boolean refresh = false; - synchronized(this) { - refresh = fRefreshBreadcrumb; - fRefreshBreadcrumb = false; - } - if (fView.isBreadcrumbVisible() && refresh) { - new UIJob(fViewer.getControl().getDisplay(), "refresh breadcrumb") { //$NON-NLS-1$ - { setSystem(true); } - @Override + boolean refresh = false; + synchronized(this) { + refresh = fRefreshBreadcrumb; + fRefreshBreadcrumb = false; + } + if (fView.isBreadcrumbVisible() && refresh) { + new UIJob(fViewer.getControl().getDisplay(), "refresh breadcrumb") { //$NON-NLS-1$ + { setSystem(true); } + @Override public IStatus runInUIThread(IProgressMonitor monitor) { - refresh(); - return Status.OK_STATUS; - } - }.schedule(); - } - } + refresh(); + return Status.OK_STATUS; + } + }.schedule(); + } + } - IDebugContextProvider getContextProvider() { - return fBreadcrumbContextProvider; - } + IDebugContextProvider getContextProvider() { + return fBreadcrumbContextProvider; + } - int getHeight() { - return fViewer.getControl().getSize().y; - } + int getHeight() { + return fViewer.getControl().getSize().y; + } - void clearSelection() { - fViewer.setSelection(StructuredSelection.EMPTY); - } + void clearSelection() { + fViewer.setSelection(StructuredSelection.EMPTY); + } - private TreePath getPathForSelection(ISelection selection) { - if (selection instanceof ITreeSelection && !selection.isEmpty()) { - return ((ITreeSelection)selection).getPaths()[0]; - } - return null; - } + private TreePath getPathForSelection(ISelection selection) { + if (selection instanceof ITreeSelection && !selection.isEmpty()) { + return ((ITreeSelection)selection).getPaths()[0]; + } + return null; + } - public Control createDropDownControl(Composite parent, final IBreadcrumbDropDownSite site, TreePath paramPath) { + public Control createDropDownControl(Composite parent, final IBreadcrumbDropDownSite site, TreePath paramPath) { - TreeViewerDropDown dropDownTreeViewer = new TreeViewerDropDown() { + TreeViewerDropDown dropDownTreeViewer = new TreeViewerDropDown() { - SubTreeModelViewer fDropDownViewer; + SubTreeModelViewer fDropDownViewer; - @Override + @Override protected TreeViewer createTreeViewer(Composite composite, int style, final TreePath path) { - fDropDownViewer = new SubTreeModelViewer( - composite, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.VIRTUAL | SWT.POP_UP, - fTreeViewer.getPresentationContext()); - - Object launchViewInput = fTreeViewer.getInput(); - fDropDownViewer.setInput(launchViewInput, path.getParentPath()); - - ViewerFilter[] filters = fTreeViewer.getFilters(); - fDropDownViewer.setFilters(filters); - - ModelDelta stateDelta = new ModelDelta(launchViewInput, IModelDelta.NO_CHANGE); - fTreeViewer.saveElementState(TreePath.EMPTY, stateDelta, IModelDelta.EXPAND | IModelDelta.SELECT); - - // If we do not want to expand the elements in the drop-down. - // Prune the delta to only select the element in the - // top-most list. - if (!fView.getBreadcrumbDropDownAutoExpand()) { - final ModelDelta prunedDelta = new ModelDelta(launchViewInput, IModelDelta.NO_CHANGE); - stateDelta.accept(new IModelDeltaVisitor() { - ModelDelta copy = prunedDelta; - @Override + fDropDownViewer = new SubTreeModelViewer( + composite, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.VIRTUAL | SWT.POP_UP, + fTreeViewer.getPresentationContext()); + + Object launchViewInput = fTreeViewer.getInput(); + fDropDownViewer.setInput(launchViewInput, path.getParentPath()); + + ViewerFilter[] filters = fTreeViewer.getFilters(); + fDropDownViewer.setFilters(filters); + + ModelDelta stateDelta = new ModelDelta(launchViewInput, IModelDelta.NO_CHANGE); + fTreeViewer.saveElementState(TreePath.EMPTY, stateDelta, IModelDelta.EXPAND | IModelDelta.SELECT); + + // If we do not want to expand the elements in the drop-down. + // Prune the delta to only select the element in the + // top-most list. + if (!fView.getBreadcrumbDropDownAutoExpand()) { + final ModelDelta prunedDelta = new ModelDelta(launchViewInput, IModelDelta.NO_CHANGE); + stateDelta.accept(new IModelDeltaVisitor() { + ModelDelta copy = prunedDelta; + @Override public boolean visit(IModelDelta delta, int depth) { - TreePath deltaPath = getViewerTreePath(delta); - if (deltaPath.getSegmentCount() == 0) { - // skip copying the root element, only copy it's child count - copy.setChildCount(delta.getChildCount()); - } else if (deltaPath.getSegmentCount() != 0 && path.startsWith(deltaPath, null) ) { - // Build up the delta copy along the path of the drop-down element. - copy = copy.addNode( - delta.getElement(), delta.getIndex(), delta.getFlags(), delta.getChildCount()); - } - - // If the delta is for the drop-down element, set its select flag and stop traversing - // the delta.. - if (deltaPath.equals(path)) { - copy.setFlags(IModelDelta.SELECT | IModelDelta.REVEAL); - return false; - } - - // Continue traversing the delta. - return true; - } - - private TreePath getViewerTreePath(IModelDelta node) { + TreePath deltaPath = getViewerTreePath(delta); + if (deltaPath.getSegmentCount() == 0) { + // skip copying the root element, only copy it's child count + copy.setChildCount(delta.getChildCount()); + } else if (deltaPath.getSegmentCount() != 0 && path.startsWith(deltaPath, null) ) { + // Build up the delta copy along the path of the drop-down element. + copy = copy.addNode( + delta.getElement(), delta.getIndex(), delta.getFlags(), delta.getChildCount()); + } + + // If the delta is for the drop-down element, set its select flag and stop traversing + // the delta.. + if (deltaPath.equals(path)) { + copy.setFlags(IModelDelta.SELECT | IModelDelta.REVEAL); + return false; + } + + // Continue traversing the delta. + return true; + } + + private TreePath getViewerTreePath(IModelDelta node) { ArrayList<Object> list = new ArrayList<>(); - IModelDelta parentDelta = node.getParentDelta(); - while (parentDelta != null) { - list.add(0, node.getElement()); - node = parentDelta; - parentDelta = node.getParentDelta(); - } - return new TreePath(list.toArray()); - } - }); - stateDelta = prunedDelta; - } - - fDropDownViewer.updateViewer(stateDelta); - - fDropDownViewer.addLabelUpdateListener(new ILabelUpdateListener() { - @Override + IModelDelta parentDelta = node.getParentDelta(); + while (parentDelta != null) { + list.add(0, node.getElement()); + node = parentDelta; + parentDelta = node.getParentDelta(); + } + return new TreePath(list.toArray()); + } + }); + stateDelta = prunedDelta; + } + + fDropDownViewer.updateViewer(stateDelta); + + fDropDownViewer.addLabelUpdateListener(new ILabelUpdateListener() { + @Override public void labelUpdateComplete(ILabelUpdate update) {} - @Override + @Override public void labelUpdatesBegin() {} - @Override + @Override public void labelUpdateStarted(ILabelUpdate update) {} - @Override + @Override public void labelUpdatesComplete() { - new UIJob(fViewer.getControl().getDisplay(), "resize breadcrub dropdown") { //$NON-NLS-1$ - { setSystem(true); } - @Override + new UIJob(fViewer.getControl().getDisplay(), "resize breadcrub dropdown") { //$NON-NLS-1$ + { setSystem(true); } + @Override public IStatus runInUIThread(IProgressMonitor monitor) { - site.updateSize(); - return Status.OK_STATUS; - } - }.schedule(); - } - }); + site.updateSize(); + return Status.OK_STATUS; + } + }.schedule(); + } + }); - return fDropDownViewer; - } + return fDropDownViewer; + } - @Override + @Override protected void openElement(ISelection selection) { - if (fTreeViewer.getControl().isDisposed()) { - return; - } - - if (selection != null && (selection instanceof ITreeSelection) && !selection.isEmpty()) { - // Create the path to the root element of the drop-down viewer. Need to calcualte - // indexes and counts for the delta in order for the selection from the drop-down - // viewer to work properly. - TreeModelContentProvider contentProvider = (TreeModelContentProvider)fTreeViewer.getContentProvider(); - TreePath path = TreePath.EMPTY; - int count = fTreeViewer.getChildCount(path); - count = contentProvider.viewToModelCount(path, count); - ModelDelta rootDelta = - new ModelDelta(fTreeViewer.getInput(), -1, IModelDelta.NO_CHANGE, count); - TreePath rootPath = fDropDownViewer.getRootPath(); - ModelDelta delta = rootDelta; - for (int i = 0; i < rootPath.getSegmentCount(); i++) { - Object element = rootPath.getSegment(i); - int index = fTreeViewer.findElementIndex(path, element); - index = contentProvider.viewToModelIndex(path, index); - path = path.createChildPath(element); - count = fTreeViewer.getChildCount(path); - count = contentProvider.viewToModelCount(path, count); - delta = delta.addNode(rootPath.getSegment(i), index, IModelDelta.NO_CHANGE, count); - } - - // Create the delta and save the drop-down viewer's state to it. - fDropDownViewer.saveElementState(TreePath.EMPTY, delta, IModelDelta.EXPAND | IModelDelta.SELECT); - - // Add the IModelDelta.FORCE flag to override the current selection in view. - rootDelta.accept(new IModelDeltaVisitor(){ - @Override + if (fTreeViewer.getControl().isDisposed()) { + return; + } + + if (selection != null && (selection instanceof ITreeSelection) && !selection.isEmpty()) { + // Create the path to the root element of the drop-down viewer. Need to calcualte + // indexes and counts for the delta in order for the selection from the drop-down + // viewer to work properly. + TreeModelContentProvider contentProvider = (TreeModelContentProvider)fTreeViewer.getContentProvider(); + TreePath path = TreePath.EMPTY; + int count = fTreeViewer.getChildCount(path); + count = contentProvider.viewToModelCount(path, count); + ModelDelta rootDelta = + new ModelDelta(fTreeViewer.getInput(), -1, IModelDelta.NO_CHANGE, count); + TreePath rootPath = fDropDownViewer.getRootPath(); + ModelDelta delta = rootDelta; + for (int i = 0; i < rootPath.getSegmentCount(); i++) { + Object element = rootPath.getSegment(i); + int index = fTreeViewer.findElementIndex(path, element); + index = contentProvider.viewToModelIndex(path, index); + path = path.createChildPath(element); + count = fTreeViewer.getChildCount(path); + count = contentProvider.viewToModelCount(path, count); + delta = delta.addNode(rootPath.getSegment(i), index, IModelDelta.NO_CHANGE, count); + } + + // Create the delta and save the drop-down viewer's state to it. + fDropDownViewer.saveElementState(TreePath.EMPTY, delta, IModelDelta.EXPAND | IModelDelta.SELECT); + + // Add the IModelDelta.FORCE flag to override the current selection in view. + rootDelta.accept(new IModelDeltaVisitor(){ + @Override public boolean visit(IModelDelta paramDelta, int depth) { - if ((paramDelta.getFlags() & IModelDelta.SELECT) != 0) { - ((ModelDelta)paramDelta).setFlags(paramDelta.getFlags() | IModelDelta.FORCE); - } - return true; - } - }); - - // If elements in the drop-down were auto-expanded, then collapse the drop-down's sub tree in the - // full viewer. After the drop-down's full expansion state is saved out to the tree viewer, the - // tree viewer will accurately reflect the state changes made by the user. - if (fView.getBreadcrumbDropDownAutoExpand()) { - fTreeViewer.collapseToLevel(rootPath, AbstractTreeViewer.ALL_LEVELS); - } - - // Save the state of the drop-down out into the tree viewer. - fTreeViewer.updateViewer(rootDelta); - fViewer.setSelection(StructuredSelection.EMPTY); - site.close(); - } - - super.openElement(selection); - } - }; - - - return dropDownTreeViewer.createDropDown(parent, site, paramPath); - } + if ((paramDelta.getFlags() & IModelDelta.SELECT) != 0) { + ((ModelDelta)paramDelta).setFlags(paramDelta.getFlags() | IModelDelta.FORCE); + } + return true; + } + }); + + // If elements in the drop-down were auto-expanded, then collapse the drop-down's sub tree in the + // full viewer. After the drop-down's full expansion state is saved out to the tree viewer, the + // tree viewer will accurately reflect the state changes made by the user. + if (fView.getBreadcrumbDropDownAutoExpand()) { + fTreeViewer.collapseToLevel(rootPath, AbstractTreeViewer.ALL_LEVELS); + } + + // Save the state of the drop-down out into the tree viewer. + fTreeViewer.updateViewer(rootDelta); + fViewer.setSelection(StructuredSelection.EMPTY); + site.close(); + } + + super.openElement(selection); + } + }; + + + return dropDownTreeViewer.createDropDown(parent, site, paramPath); + } } |