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Diffstat (limited to 'bundles/org.eclipse.team.ui/src/org/eclipse/team/ui/synchronize/viewers/TreeViewerAdvisor.java')
| -rw-r--r-- | bundles/org.eclipse.team.ui/src/org/eclipse/team/ui/synchronize/viewers/TreeViewerAdvisor.java | 347 |
1 files changed, 0 insertions, 347 deletions
diff --git a/bundles/org.eclipse.team.ui/src/org/eclipse/team/ui/synchronize/viewers/TreeViewerAdvisor.java b/bundles/org.eclipse.team.ui/src/org/eclipse/team/ui/synchronize/viewers/TreeViewerAdvisor.java deleted file mode 100644 index db098cf29..000000000 --- a/bundles/org.eclipse.team.ui/src/org/eclipse/team/ui/synchronize/viewers/TreeViewerAdvisor.java +++ /dev/null @@ -1,347 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2003 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Common Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.team.ui.synchronize.viewers; - -import org.eclipse.jface.action.IMenuManager; -import org.eclipse.jface.action.Separator; -import org.eclipse.jface.util.IPropertyChangeListener; -import org.eclipse.jface.util.PropertyChangeEvent; -import org.eclipse.jface.viewers.*; -import org.eclipse.swt.widgets.*; -import org.eclipse.team.core.TeamException; -import org.eclipse.team.core.synchronize.SyncInfoTree; -import org.eclipse.team.internal.ui.*; -import org.eclipse.team.internal.ui.synchronize.*; -import org.eclipse.team.internal.ui.synchronize.actions.ExpandAllAction; -import org.eclipse.ui.IWorkbenchActionConstants; -import org.eclipse.ui.IWorkbenchPartSite; -import org.eclipse.ui.internal.dialogs.ContainerCheckedTreeViewer; - -/** - * A <code>TreeViewerAdvisor</code> that works with TreeViewers. Two default - * tree viewers are provided that support navigation: <code>NavigableTreeViewer</code> - * and <code>NavigableCheckboxTreeViewer</code>. - * <p> - * Note that this advisor can be used with any tree viewer. By default it provides an - * expand all action, double click behavior on containers, and navigation support for - * tree viewers. - * </p><p> - * By default this advisor supports hierarchical models and honour the compressed - * folder Team preference for showing the sync set as compressed folders. Subclasses - * can provide their own presentation models. - * <p> - * @since 3.0 - */ -public class TreeViewerAdvisor extends StructuredViewerAdvisor implements IPropertyChangeListener { - - /** - * Interface used to implement navigation for tree viewers. This interface is used by - * {@link TreeViewerAdvisor#navigate(TreeViewer, boolean, boolean, boolean) to open - * selections and navigate. - */ - public interface ITreeViewerAccessor { - - public void createChildren(TreeItem item); - public void openSelection(); - } - - /** - * A navigable checkboxec tree viewer that will work with the <code>navigate</code> method of - * this advisor. - */ - public static class NavigableCheckboxTreeViewer extends ContainerCheckedTreeViewer implements ITreeViewerAccessor { - public NavigableCheckboxTreeViewer(Composite parent, int style) { - super(parent, style); - } - - public void createChildren(TreeItem item) { - super.createChildren(item); - } - - public void openSelection() { - fireOpen(new OpenEvent(this, getSelection())); - } - } - - /** - * A navigable tree viewer that will work with the <code>navigate</code> method of - * this advisor. - */ - public static class NavigableTreeViewer extends TreeViewer implements ITreeViewerAccessor { - public NavigableTreeViewer(Composite parent, int style) { - super(parent, style); - } - - public void createChildren(TreeItem item) { - super.createChildren(item); - } - - public void openSelection() { - fireOpen(new OpenEvent(this, getSelection())); - } - } - - private ExpandAllAction expandAllAction; - - /** - * Create an advisor that will allow viewer contributions with the given <code>targetID</code>. This - * advisor will provide a presentation model based on the given sync info set. Note that it's important - * to call {@link #dispose()} when finished with an advisor. - * - * @param targetID the targetID defined in the viewer contributions in a plugin.xml file. - * @param site the workbench site with which to register the menuId. Can be <code>null</code> in which - * case a site will be found using the default workbench page. - * @param set the set of <code>SyncInfo</code> objects that are to be shown to the user. - */ - public TreeViewerAdvisor(String menuId, IWorkbenchPartSite site, SyncInfoTree set) { - super(menuId,site, set); - TeamUIPlugin.getPlugin().getPreferenceStore().addPropertyChangeListener(this); - } - - /** - * Create a tree viewer advisor that will provide a presentation model based on the given - * sync info set. Note that it's important to call {@link #dispose()} when finished with - * an advisor. - * - * @param set the set of <code>SyncInfo</code> objects that are to be shown to the user. - */ - public TreeViewerAdvisor(SyncInfoTree set) { - this(null, null, set); - } - - /* (non-Javadoc) - * @see org.eclipse.team.ui.synchronize.viewers.StructuredViewerAdvisor#dispose() - */ - public void dispose() { - TeamUIPlugin.getPlugin().getPreferenceStore().removePropertyChangeListener(this); - super.dispose(); - } - - /* (non-Javadoc) - * @see org.eclipse.team.ui.synchronize.viewers.StructuredViewerAdvisor#navigate(boolean) - */ - public boolean navigate(boolean next) { - return TreeViewerAdvisor.navigate((TreeViewer)getViewer(), next, true, false); - } - - /* (non-Javadoc) - * @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent) - */ - public void propertyChange(PropertyChangeEvent event) { - if (getViewer() != null && event.getProperty().equals(IPreferenceIds.SYNCVIEW_COMPRESS_FOLDERS)) { - try { - prepareInput(null); - setInput(getViewer()); - } catch (TeamException e) { - TeamUIPlugin.log(e); - } - } - } - - /* (non-Javadoc) - * @see org.eclipse.team.ui.synchronize.viewers.StructuredViewerAdvisor#initializeViewer(org.eclipse.jface.viewers.StructuredViewer) - */ - public boolean validateViewer(StructuredViewer viewer) { - return viewer instanceof AbstractTreeViewer; - } - - /* (non-Javadoc) - * @see org.eclipse.team.ui.synchronize.viewers.StructuredViewerAdvisor#fillContextMenu(org.eclipse.jface.viewers.StructuredViewer, org.eclipse.jface.action.IMenuManager) - */ - protected void fillContextMenu(StructuredViewer viewer, IMenuManager manager) { - manager.add(expandAllAction); - manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS)); - } - - /* (non-Javadoc) - * @see org.eclipse.team.ui.synchronize.viewers.StructuredViewerAdvisor#getDiffNodeController() - */ - protected SynchronizeModelProvider getModelProvider() { - if(getShowCompressedFolders()) { - return new CompressedFoldersModelProvider((SyncInfoTree)getSyncInfoSet()); - } - return new HierarchicalModelProvider((SyncInfoTree)getSyncInfoSet()); - } - - /** - * Handles a double-click event from the viewer. Expands or collapses a folder when double-clicked. - * - * @param viewer the viewer - * @param event the double-click event - */ - protected void handleDoubleClick(StructuredViewer viewer, DoubleClickEvent event) { - IStructuredSelection selection = (IStructuredSelection) event.getSelection(); - Object element = selection.getFirstElement(); - AbstractTreeViewer treeViewer = (AbstractTreeViewer) getViewer(); - if (treeViewer.getExpandedState(element)) { - treeViewer.collapseToLevel(element, AbstractTreeViewer.ALL_LEVELS); - } else { - TreeViewerAdvisor.navigate((TreeViewer)getViewer(), true /* next */, false /* no-open */, true /* only-expand */); - } - } - - /* (non-Javadoc) - * @see org.eclipse.team.ui.synchronize.viewers.StructuredViewerAdvisor#initializeActions(org.eclipse.jface.viewers.StructuredViewer) - */ - protected void initializeActions(StructuredViewer viewer) { - super.initializeActions(viewer); - expandAllAction = new ExpandAllAction((AbstractTreeViewer) viewer); - Utils.initAction(expandAllAction, "action.expandAll."); //$NON-NLS-1$ - } - - /* (non-Javadoc) - * @see org.eclipse.team.ui.synchronize.viewers.StructuredViewerAdvisor#initializeListeners(org.eclipse.jface.viewers.StructuredViewer) - */ - protected void initializeListeners(StructuredViewer viewer) { - viewer.addDoubleClickListener(new IDoubleClickListener() { - public void doubleClick(DoubleClickEvent event) { - handleDoubleClick(getViewer(), event); - } - }); - } - - /** - * Return the state of the compressed folder setting. - * - * @return the state of the compressed folder setting. - */ - private boolean getShowCompressedFolders() { - return TeamUIPlugin.getPlugin().getPreferenceStore().getBoolean(IPreferenceIds.SYNCVIEW_COMPRESS_FOLDERS); - } - - private static TreeItem findNextPrev(TreeViewer viewer, TreeItem item, boolean next) { - if (item == null || !(viewer instanceof ITreeViewerAccessor)) - return null; - TreeItem children[] = null; - ITreeViewerAccessor treeAccessor = (ITreeViewerAccessor) viewer; - if (!next) { - TreeItem parent = item.getParentItem(); - if (parent != null) - children = parent.getItems(); - else - children = item.getParent().getItems(); - if (children != null && children.length > 0) { - // goto previous child - int index = 0; - for (; index < children.length; index++) - if (children[index] == item) - break; - if (index > 0) { - item = children[index - 1]; - while (true) { - treeAccessor.createChildren(item); - int n = item.getItemCount(); - if (n <= 0) - break; - item.setExpanded(true); - item = item.getItems()[n - 1]; - } - // previous - return item; - } - } - // go up - return parent; - } else { - item.setExpanded(true); - treeAccessor.createChildren(item); - if (item.getItemCount() > 0) { - // has children: go down - children = item.getItems(); - return children[0]; - } - while (item != null) { - children = null; - TreeItem parent = item.getParentItem(); - if (parent != null) - children = parent.getItems(); - else - children = item.getParent().getItems(); - if (children != null && children.length > 0) { - // goto next child - int index = 0; - for (; index < children.length; index++) - if (children[index] == item) - break; - if (index < children.length - 1) { - // next - return children[index + 1]; - } - } - // go up - item = parent; - } - } - return item; - } - - private static void setSelection(TreeViewer viewer, TreeItem ti, boolean fireOpen, boolean expandOnly) { - if (ti != null) { - Object data= ti.getData(); - if (data != null) { - // Fix for http://dev.eclipse.org/bugs/show_bug.cgi?id=20106 - ISelection selection = new StructuredSelection(data); - if (expandOnly) { - viewer.expandToLevel(data, 0); - } else { - viewer.setSelection(selection, true); - ISelection currentSelection = viewer.getSelection(); - if (fireOpen && currentSelection != null && selection.equals(currentSelection)) { - if (viewer instanceof ITreeViewerAccessor) { - ((ITreeViewerAccessor) viewer).openSelection(); - } - } - } - } - } - } - - /** - * Selects the next (or previous) node of the current selection. - * If there is no current selection the first (last) node in the tree is selected. - * Wraps around at end or beginning. - * Clients may not override. - * - * @param next if <code>true</code> the next node is selected, otherwise the previous node - * @return <code>true</code> if at end (or beginning) - */ - public static boolean navigate(TreeViewer viewer, boolean next, boolean fireOpen, boolean expandOnly) { - Tree tree = viewer.getTree(); - if (tree == null) - return false; - TreeItem item = null; - TreeItem children[] = tree.getSelection(); - if (children != null && children.length > 0) - item = children[0]; - if (item == null) { - children = tree.getItems(); - if (children != null && children.length > 0) { - item = children[0]; - if (item != null && item.getItemCount() <= 0) { - setSelection(viewer, item, fireOpen, expandOnly); // Fix for http://dev.eclipse.org/bugs/show_bug.cgi?id=20106 - return false; - } - } - } - while (true) { - item = findNextPrev(viewer, item, next); - if (item == null) - break; - if (item.getItemCount() <= 0) - break; - } - if (item != null) { - setSelection(viewer, item, fireOpen, expandOnly); // Fix for http://dev.eclipse.org/bugs/show_bug.cgi?id=20106 - return false; - } - return true; - } -}
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