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 | 518 |
1 files changed, 0 insertions, 518 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 deleted file mode 100644 index 6542fab63..000000000 --- a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/launch/LaunchViewBreadcrumb.java +++ /dev/null @@ -1,518 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2009 Wind River Systems and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * Wind River Systems - initial API and implementation - *******************************************************************************/ -package org.eclipse.debug.internal.ui.views.launch; - -import java.util.ArrayList; - -import org.eclipse.core.runtime.IProgressMonitor; -import org.eclipse.core.runtime.IStatus; -import org.eclipse.core.runtime.Status; -import org.eclipse.debug.internal.ui.viewers.breadcrumb.AbstractBreadcrumb; -import org.eclipse.debug.internal.ui.viewers.breadcrumb.BreadcrumbViewer; -import org.eclipse.debug.internal.ui.viewers.breadcrumb.IBreadcrumbDropDownSite; -import org.eclipse.debug.internal.ui.viewers.breadcrumb.TreeViewerDropDown; -import org.eclipse.debug.internal.ui.viewers.model.ILabelUpdateListener; -import org.eclipse.debug.internal.ui.viewers.model.SubTreeModelViewer; -import org.eclipse.debug.internal.ui.viewers.model.TreeModelContentProvider; -import org.eclipse.debug.internal.ui.viewers.model.provisional.ILabelUpdate; -import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelDelta; -import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelDeltaVisitor; -import org.eclipse.debug.internal.ui.viewers.model.provisional.ModelDelta; -import org.eclipse.debug.internal.ui.viewers.model.provisional.TreeModelViewer; -import org.eclipse.debug.ui.contexts.AbstractDebugContextProvider; -import org.eclipse.debug.ui.contexts.DebugContextEvent; -import org.eclipse.debug.ui.contexts.IDebugContextListener; -import org.eclipse.debug.ui.contexts.IDebugContextProvider; -import org.eclipse.jface.action.IMenuListener; -import org.eclipse.jface.action.IMenuManager; -import org.eclipse.jface.action.MenuManager; -import org.eclipse.jface.viewers.BaseLabelProvider; -import org.eclipse.jface.viewers.ISelection; -import org.eclipse.jface.viewers.ISelectionChangedListener; -import org.eclipse.jface.viewers.ITreePathContentProvider; -import org.eclipse.jface.viewers.ITreePathLabelProvider; -import org.eclipse.jface.viewers.ITreeSelection; -import org.eclipse.jface.viewers.SelectionChangedEvent; -import org.eclipse.jface.viewers.StructuredSelection; -import org.eclipse.jface.viewers.TreePath; -import org.eclipse.jface.viewers.TreeViewer; -import org.eclipse.jface.viewers.Viewer; -import org.eclipse.jface.viewers.ViewerFilter; -import org.eclipse.jface.viewers.ViewerLabel; -import org.eclipse.swt.SWT; -import org.eclipse.swt.events.MenuDetectEvent; -import org.eclipse.swt.events.MenuDetectListener; -import org.eclipse.swt.widgets.Composite; -import org.eclipse.swt.widgets.Control; -import org.eclipse.swt.widgets.Menu; -import org.eclipse.swt.widgets.Shell; -import org.eclipse.ui.progress.UIJob; - -/** - * @since 3.5 - */ -public class LaunchViewBreadcrumb extends AbstractBreadcrumb implements IDebugContextListener, ILabelUpdateListener { - - private static class Input { - final TreePath fPath; - - Input(TreePath path) { - fPath = path; - } - - public boolean equals(Object obj) { - return obj instanceof Input && - ((fPath == null && ((Input)obj).fPath == null) || - (fPath != null && fPath.equals( ((Input)obj).fPath ))); - } - - public int hashCode() { - return fPath == null ? 0 : fPath.hashCode(); - } - } - - private static class ContentProvider implements ITreePathContentProvider { - - private static final Object[] EMPTY_ELEMENTS_ARRAY = new Object[0]; - - public Input fInput; - - public Object[] getChildren(TreePath parentPath) { - if (hasChildren(parentPath)) { - return new Object[] { fInput.fPath.getSegment(parentPath.getSegmentCount()) }; - } - return EMPTY_ELEMENTS_ARRAY; - } - - public TreePath[] getParents(Object element) { - // Not supported - return new TreePath[] { TreePath.EMPTY }; - } - - 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; - } - - public Object[] getElements(Object inputElement) { - if (fInput != null && - fInput.fPath != null) - { - return getChildren(TreePath.EMPTY); - } else { - return new Object[] { fgEmptyDebugContextElement }; - } - } - - public void dispose() { - fInput = null; - } - - 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 { - 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); - } - - 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); - } - - public void debugContextChanged(DebugContextEvent event) { - fire(new DebugContextEvent(this, getActiveContext(), event.getFlags())); - } - - 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); - } - - protected void activateBreadcrumb() { - } - - protected void deactivateBreadcrumb() { - if (fViewer.isDropDownOpen()) { - Shell shell = fViewer.getDropDownShell(); - if (shell != null && !shell.isDisposed()) { - shell.close(); - } - } - } - - protected BreadcrumbViewer createViewer(Composite parent) { - fViewer = new BreadcrumbViewer(parent, SWT.NONE) { - protected Control createDropDown(Composite dropDownParent, IBreadcrumbDropDownSite site, TreePath path) { - return createDropDownControl(dropDownParent, site, path); - } - }; - - // 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()); - - createMenuManager(); - - fViewer.setInput(getCurrentInput()); - - fBreadcrumbContextProvider = new BreadcrumbContextProvider(); - - return fViewer; - } - - protected void createMenuManager() { - MenuManager menuMgr = new MenuManager("#PopUp"); //$NON-NLS-1$ - menuMgr.setRemoveAllWhenShown(true); - menuMgr.addMenuListener(new IMenuListener() { - 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() { - 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.getDisplay().sleep(); - } - } - }); - } - - protected Object getCurrentInput() { - return fBreadcrumbInput; - } - - protected boolean open(ISelection selection) { - // Let the drop-down control implementation itself handle activating a new context. - return false; - } - - public void dispose() { - fBreadcrumbContextProvider = null; - fTreeViewerContextProvider.removeDebugContextListener(this); - fTreeViewer.removeLabelUpdateListener(this); - fBreadcrumbContextProvider.dispose(); - fViewer = null; - super.dispose(); - } - - 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(); - } - } - } - - public void labelUpdateStarted(ILabelUpdate update) { - } - - public void labelUpdateComplete(ILabelUpdate update) { - if (fBreadcrumbInput != null && fBreadcrumbInput.fPath != null) { - if (fBreadcrumbInput.fPath.startsWith(update.getElementPath(), null)) { - synchronized (this) { - fRefreshBreadcrumb = true; - } - } - } - } - - public void labelUpdatesBegin() { - } - - 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); } - public IStatus runInUIThread(IProgressMonitor monitor) { - refresh(); - return Status.OK_STATUS; - } - }.schedule(); - } - } - - IDebugContextProvider getContextProvider() { - return fBreadcrumbContextProvider; - } - - int getHeight() { - return fViewer.getControl().getSize().y; - } - - void clearSelection() { - fViewer.setSelection(StructuredSelection.EMPTY); - } - - 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) { - - TreeViewerDropDown dropDownTreeViewer = new TreeViewerDropDown() { - - SubTreeModelViewer fDropDownViewer; - - 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; - 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) { - ArrayList 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() { - public void labelUpdateComplete(ILabelUpdate update) {} - public void labelUpdatesBegin() {} - public void labelUpdateStarted(ILabelUpdate update) {} - public void labelUpdatesComplete() { - new UIJob(fViewer.getControl().getDisplay(), "resize breadcrub dropdown") { //$NON-NLS-1$ - { setSystem(true); } - public IStatus runInUIThread(IProgressMonitor monitor) { - site.updateSize(); - return Status.OK_STATUS; - } - }.schedule(); - } - }); - - return fDropDownViewer; - } - - 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(){ - 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, TreeViewer.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); - } -} |