bundles/org.eclipse.team.ui/src/org/eclipse/team/ui/synchronize/TeamSubscriberParticipantPage.java - gerrit/platform/eclipse.platform.team - Git at Google

 /*******************************************************************************
  * 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;

 import java.util.Iterator;

 import org.eclipse.core.resources.IResource;
 import org.eclipse.core.runtime.NullProgressMonitor;
 import org.eclipse.jface.action.*;
 import org.eclipse.jface.preference.IPreferenceStore;
 import org.eclipse.jface.util.IPropertyChangeListener;
 import org.eclipse.jface.util.PropertyChangeEvent;
 import org.eclipse.jface.viewers.*;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionListener;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.*;
 import org.eclipse.team.core.TeamException;
 import org.eclipse.team.core.subscribers.SyncInfo;
 import org.eclipse.team.internal.ui.*;
 import org.eclipse.team.internal.ui.jobs.JobBusyCursor;
 import org.eclipse.team.internal.ui.synchronize.actions.*;
 import org.eclipse.team.internal.ui.synchronize.sets.SubscriberInput;
 import org.eclipse.team.internal.ui.synchronize.views.*;
 import org.eclipse.team.ui.synchronize.actions.SubscriberAction;
 import org.eclipse.team.ui.synchronize.actions.SyncInfoFilter;
 import org.eclipse.ui.*;
 import org.eclipse.ui.part.*;
 import org.eclipse.ui.views.navigator.ResourceSorter;

 /**
  * A synchronize view page that works with participants that are subclasses of
  * {@link TeamSubscriberParticipant}. It shows changes in the tree or table view
  * and supports navigation, opening, and filtering changes.
  * <p>
  * Clients can subclass to extend the label decoration or add action bar
  * contributions. For more extensive modifications, clients should create
  * their own custom control.
  * </p>
  * @since 3.0
  */
 public class TeamSubscriberParticipantPage implements IPageBookViewPage, IPropertyChangeListener {
 	// The viewer that is shown in the view. Currently this can be either a table or tree viewer.
 	private StructuredViewer viewer;

 	// Parent composite of this view. It is remembered so that we can dispose of its children when
 	// the viewer type is switched.
 	private Composite composite = null;
 	private boolean settingWorkingSet = false;

 	// Viewer type constants
 	private int layout;

 	// Remembering the current input and the previous.
 	private SubscriberInput input = null;

 	// A set of common actions. They are hooked to the active SubscriberInput and must
 	// be reset when the input changes.
 	// private SyncViewerActions actions;

 	private JobBusyCursor busyCursor;
 	private ISynchronizeView view;
 	private TeamSubscriberParticipant participant;
 	private IPageSite site;

 	public final static int[] INCOMING_MODE_FILTER = new int[] {SyncInfo.CONFLICTING, SyncInfo.INCOMING};
 	public final static int[] OUTGOING_MODE_FILTER = new int[] {SyncInfo.CONFLICTING, SyncInfo.OUTGOING};
 	public final static int[] BOTH_MODE_FILTER = new int[] {SyncInfo.CONFLICTING, SyncInfo.INCOMING, SyncInfo.OUTGOING};
 	public final static int[] CONFLICTING_MODE_FILTER = new int[] {SyncInfo.CONFLICTING};

 	// Actions
 	private OpenWithActionGroup openWithActions;
 	private NavigateAction gotoNext;
 	private NavigateAction gotoPrevious;
 	private Action toggleLayoutTree;
 	private Action toggleLayoutTable;
 	private RefactorActionGroup refactorActions;
 	private SyncViewerShowPreferencesAction showPreferences;
 	private RefreshAction refreshAction;
 	private ComparisonCriteriaActionGroup comparisonCriteria;
 	private Action collapseAll;
 	private Action expandAll;
 	private WorkingSetFilterActionGroup workingSetGroup;
 	private StatusLineContributionGroup statusLine;

 	/**
 	 * Constructs a new SynchronizeView.
 	 */
 	public TeamSubscriberParticipantPage(TeamSubscriberParticipant page, ISynchronizeView view, SubscriberInput input) {
 		this.participant = page;
 		this.view = view;
 		this.input = input;
 		layout = getStore().getInt(IPreferenceIds.SYNCVIEW_VIEW_TYPE);
 		if (layout != TeamSubscriberParticipant.TREE_LAYOUT) {
 			layout = TeamSubscriberParticipant.TABLE_LAYOUT;
 		}
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.ui.part.IPage#createControl(org.eclipse.swt.widgets.Composite)
 	 */
 	public void createControl(Composite parent) {
 		composite = new Composite(parent, SWT.NONE);
 		GridLayout gridLayout= new GridLayout();
 		gridLayout.makeColumnsEqualWidth= false;
 		gridLayout.marginWidth= 0;
 		gridLayout.marginHeight = 0;
 		gridLayout.verticalSpacing = 0;
 		composite.setLayout(gridLayout);

 		// Create the busy cursor with no control to start with (createViewer will set it)
 		busyCursor = new JobBusyCursor(null /* control */, SubscriberAction.SUBSCRIBER_JOB_TYPE);
 		createViewer(composite);

 		// create actions
 		openWithActions = new OpenWithActionGroup(this);
 		refactorActions = new RefactorActionGroup(view);
 		gotoNext = new NavigateAction(view, this, INavigableControl.NEXT);
 		gotoPrevious = new NavigateAction(view, this, INavigableControl.PREVIOUS);
 		comparisonCriteria = new ComparisonCriteriaActionGroup(input);

 		toggleLayoutTable = new ToggleViewLayoutAction(participant, TeamSubscriberParticipant.TABLE_LAYOUT);
 		toggleLayoutTree = new ToggleViewLayoutAction(participant, TeamSubscriberParticipant.TREE_LAYOUT);
 		workingSetGroup = new WorkingSetFilterActionGroup(getSite().getShell(), this, view, participant);

 		showPreferences = new SyncViewerShowPreferencesAction(view.getSite().getShell());

 		refreshAction = new RefreshAction(getSite().getPage(), input, true /* refresh all */);
 		statusLine = new StatusLineContributionGroup(this.input);

 		collapseAll = new Action() {
 			public void run() {
 				collapseAll();
 			}
 		};
 		Utils.initAction(collapseAll, "action.collapseAll."); //$NON-NLS-1$

 		expandAll = new Action() {
 			public void run() {
 				Viewer viewer = getViewer();
 				ISelection selection = viewer.getSelection();
 				if(viewer instanceof AbstractTreeViewer && ! selection.isEmpty()) {
 					Iterator elements = ((IStructuredSelection)selection).iterator();
 					while (elements.hasNext()) {
 						Object next = elements.next();
 						((AbstractTreeViewer) viewer).expandToLevel(next, AbstractTreeViewer.ALL_LEVELS);
 					}
 				}
 			}
 		};
 		Utils.initAction(expandAll, "action.expandAll."); //$NON-NLS-1$

 		participant.addPropertyChangeListener(this);
 		TeamUIPlugin.getPlugin().getPreferenceStore().addPropertyChangeListener(this);
 		updateMode(participant.getMode());
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.ui.IViewPart#init(org.eclipse.ui.IViewSite, org.eclipse.ui.IMemento)
 	 */
 	public void init(IPageSite site) throws PartInitException {
 		this.site = site;
 	}

 	private void hookContextMenu() {
 		if(getViewer() != null) {
 			MenuManager menuMgr = new MenuManager(participant.getId()); //$NON-NLS-1$
 			menuMgr.setRemoveAllWhenShown(true);
 			menuMgr.addMenuListener(new IMenuListener() {
 				public void menuAboutToShow(IMenuManager manager) {
 					setContextMenu(manager);
 				}
 			});
 			Menu menu = menuMgr.createContextMenu(viewer.getControl());
 			viewer.getControl().setMenu(menu);
 			getSite().registerContextMenu(participant.getId(), menuMgr, viewer);
 		}
 	}

 	private void setContextMenu(IMenuManager manager) {
 		openWithActions.fillContextMenu(manager);
 		refactorActions.fillContextMenu(manager);
 		manager.add(new Separator());
 		manager.add(expandAll);
 		manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
 	}

 	/**
 	 * Toggles between label/tree/table viewers.
 	 */
 	public void switchViewerType(int viewerType) {
 		if(viewer == null || viewerType != layout) {
 			if (composite == null || composite.isDisposed()) return;
 			IStructuredSelection oldSelection = null;
 			if(viewer != null) {
 				oldSelection = (IStructuredSelection)viewer.getSelection();
 			}
 			layout = viewerType;
 			getStore().setValue(IPreferenceIds.SYNCVIEW_VIEW_TYPE, layout);
 			disposeChildren(composite);
 			createViewer(composite);
 			composite.layout();
 			if(oldSelection == null || oldSelection.size() == 0) {
 				//gotoDifference(INavigableControl.NEXT);
 			} else {
 				viewer.setSelection(oldSelection, true);
 			}
 		}
 	}

 	/**
 	 * Adds the listeners to the viewer.
 	 */
 	private void initializeListeners() {
 		viewer.addSelectionChangedListener(new ISelectionChangedListener() {
 			public void selectionChanged(SelectionChangedEvent event) {
 				updateStatusLine((IStructuredSelection)event.getSelection());
 			}
 		});
 		viewer.addDoubleClickListener(new IDoubleClickListener() {
 			public void doubleClick(DoubleClickEvent event) {
 				handleDoubleClick(event);
 			}
 		});
 		viewer.addOpenListener(new IOpenListener() {
 			public void open(OpenEvent event) {
 				handleOpen(event);
 			}
 		});
 	}

 	private void createViewer(Composite parent) {
 		//tbMgr.createControl(parent);
 		switch(layout) {
 			case TeamSubscriberParticipant.TREE_LAYOUT:
 				createTreeViewerPartControl(parent);
 				break;
 			case TeamSubscriberParticipant.TABLE_LAYOUT:
 				createTableViewerPartControl(parent);
 				break;
 		}
 		viewer.setInput(input);
 		viewer.getControl().setFocus();
 		initializeListeners();
 		hookContextMenu();
 		getSite().setSelectionProvider(getViewer());
 		busyCursor.setControl(viewer.getControl());
 	}

 	protected ILabelProvider getLabelProvider() {
 		return new TeamSubscriberParticipantLabelProvider();
 	}

 	private void createTreeViewerPartControl(Composite parent) {
 		GridData data = new GridData(GridData.FILL_BOTH);
 		viewer = new SyncTreeViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
 		viewer.setLabelProvider(getLabelProvider());
 		viewer.setSorter(new SyncViewerSorter(ResourceSorter.NAME));
 		((TreeViewer)viewer).getTree().setLayoutData(data);
 	}

 	private void createTableViewerPartControl(Composite parent) {
 		// Create the table
 		Table table = new Table(parent, SWT.H_SCROLL | SWT.V_SCROLL | SWT.MULTI | SWT.FULL_SELECTION);
 		table.setHeaderVisible(true);
 		table.setLinesVisible(true);
 		GridData data = new GridData(GridData.FILL_BOTH);
 		table.setLayoutData(data);

 		// Set the table layout
 		TableLayout layout = new TableLayout();
 		table.setLayout(layout);

 		// Create the viewer
 		TableViewer tableViewer = new SyncTableViewer(table);

 		// Create the table columns
 		createColumns(table, layout, tableViewer);

 		// Set the table contents
 		viewer = tableViewer;
 		viewer.setContentProvider(new SyncSetTableContentProvider());
 		viewer.setLabelProvider(getLabelProvider());
 		viewer.setSorter(new SyncViewerTableSorter());
 	}

 	/**
 	 * Creates the columns for the sync viewer table.
 	 */
 	private void createColumns(Table table, TableLayout layout, TableViewer viewer) {
 		SelectionListener headerListener = SyncViewerTableSorter.getColumnListener(viewer);
 		// revision
 		TableColumn col = new TableColumn(table, SWT.NONE);
 		col.setResizable(true);
 		col.setText(Policy.bind("TeamSubscriberParticipantPage.7")); //$NON-NLS-1$
 		col.addSelectionListener(headerListener);
 		layout.addColumnData(new ColumnWeightData(30, true));

 		// tags
 		col = new TableColumn(table, SWT.NONE);
 		col.setResizable(true);
 		col.setText(Policy.bind("TeamSubscriberParticipantPage.8")); //$NON-NLS-1$
 		col.addSelectionListener(headerListener);
 		layout.addColumnData(new ColumnWeightData(50, true));
 	}

 	private void disposeChildren(Composite parent) {
 		// Null out the control of the busy cursor while we are switching viewers
 		busyCursor.setControl(null);
 		Control[] children = parent.getChildren();
 		for (int i = 0; i < children.length; i++) {
 			Control control = children[i];
 			control.dispose();
 		}
 	}

 	private void handleOpen(OpenEvent event) {
 		openWithActions.openInCompareEditor();
 	}
 	/**
 	 * Handles a double-click event from the viewer.
 	 * Expands or collapses a folder when double-clicked.
 	 *
 	 * @param event the double-click event
 	 * @since 2.0
 	 */
 	private void handleDoubleClick(DoubleClickEvent event) {
 		IStructuredSelection selection = (IStructuredSelection) event.getSelection();
 		Object element = selection.getFirstElement();
 		// Double-clicking should expand/collapse containers
 		if (viewer instanceof TreeViewer) {
 			TreeViewer tree = (TreeViewer)viewer;
 			if (tree.isExpandable(element)) {
 				tree.setExpandedState(element, !tree.getExpandedState(element));
 			}
 		}
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.ui.part.IPage#setFocus()
 	 */
 	public void setFocus() {
 		if (viewer == null) return;
 		viewer.getControl().setFocus();
 	}

 	public StructuredViewer getViewer() {
 		return viewer;
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.ui.IWorkbenchPart#dispose()
 	 */
 	public void dispose() {
 		busyCursor.dispose();
 		statusLine.dispose();
 	}

 	/*
 	 * Return the current input for the view.
 	 */
 	public SubscriberInput getInput() {
 		return input;
 	}

 	public void collapseAll() {
 		if (viewer == null || !(viewer instanceof AbstractTreeViewer)) return;
 		viewer.getControl().setRedraw(false);
 		((AbstractTreeViewer)viewer).collapseToLevel(viewer.getInput(), TreeViewer.ALL_LEVELS);
 		viewer.getControl().setRedraw(true);
 	}

 	/**
 	 * This method enables "Show In" support for this view
 	 *
 	 * @see org.eclipse.core.runtime.IAdaptable#getAdapter(java.lang.Class)
 	 */
 	public Object getAdapter(Class key) {
 		if (key == IShowInSource.class) {
 			return new IShowInSource() {
 				public ShowInContext getShowInContext() {
 					StructuredViewer v = getViewer();
 					if (v == null) return null;
 					return new ShowInContext(null, v.getSelection());
 				}
 			};
 		}
 		return null;
 	}

 	/**
 	 * Updates the message shown in the status line.
 	 *
 	 * @param selection the current selection
 	 */
 	private void updateStatusLine(IStructuredSelection selection) {
 		String msg = getStatusLineMessage(selection);
 		getSite().getActionBars().getStatusLineManager().setMessage(msg);
 	}

 	/**
 	 * Returns the message to show in the status line.
 	 *
 	 * @param selection the current selection
 	 * @return the status line message
 	 * @since 2.0
 	 */
 	private String getStatusLineMessage(IStructuredSelection selection) {
 		if (selection.size() == 1) {
 			IResource resource = getResource(selection.getFirstElement());
 			if (resource == null) {
 				return Policy.bind("SynchronizeView.12"); //$NON-NLS-1$
 			} else {
 				return resource.getFullPath().makeRelative().toString();
 			}
 		}
 		if (selection.size() > 1) {
 			return selection.size() + Policy.bind("SynchronizeView.13"); //$NON-NLS-1$
 		}
 		return ""; //$NON-NLS-1$
 	}

 	private IResource getResource(Object object) {
 		return SyncSetContentProvider.getResource(object);
 	}

 	public void selectAll() {
 		Viewer viewer = getViewer();
 		if (viewer instanceof TableViewer) {
 			TableViewer table = (TableViewer)viewer;
 			table.getTable().selectAll();
 		} else {
 			// Select All in a tree doesn't really work well
 		}
 	}

 	private IPreferenceStore getStore() {
 		return TeamUIPlugin.getPlugin().getPreferenceStore();
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.ui.part.IPage#getControl()
 	 */
 	public Control getControl() {
 		return composite;
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.ui.part.IPage#setActionBars(org.eclipse.ui.IActionBars)
 	 */
 	public void setActionBars(IActionBars actionBars) {
 		if(actionBars != null) {
 			IToolBarManager manager = actionBars.getToolBarManager();

 			// toolbar
 			manager.add(refreshAction);
 			manager.add(comparisonCriteria);
 			manager.add(new Separator());
 			manager.add(gotoNext);
 			manager.add(gotoPrevious);
 			manager.add(collapseAll);
 			manager.add(new Separator());

 			// view menu
 			updateViewMenu(actionBars);

 			// status line
 			statusLine.fillActionBars(actionBars);
 		}
 	}

 	private void updateViewMenu(IActionBars actionBars) {
 		IMenuManager menu = actionBars.getMenuManager();
 		menu.removeAll();
 		MenuManager layoutMenu = new MenuManager(Policy.bind("action.layout.label")); //$NON-NLS-1$
 		layoutMenu.add(toggleLayoutTable);
 		layoutMenu.add(toggleLayoutTree);
 		workingSetGroup.fillActionBars(actionBars);
 		menu.add(layoutMenu);
 		menu.add(new Separator());
 		menu.add(showPreferences);
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.ui.part.IPageBookViewPage#getSite()
 	 */
 	public IPageSite getSite() {
 		return this.site;
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent)
 	 */
 	public void propertyChange(PropertyChangeEvent event) {
 		// Layout change
 		if(event.getProperty().equals(TeamSubscriberParticipant.P_SYNCVIEWPAGE_LAYOUT)) {
 			switchViewerType(((Integer)event.getNewValue()).intValue());
 		// Direction mode change
 		} else if(event.getProperty().equals(TeamSubscriberParticipant.P_SYNCVIEWPAGE_MODE)) {
 			updateMode(((Integer)event.getNewValue()).intValue());
 		// Working set changed via menu selection - notify participant and
 		// do all the real work when we get the next workset changed event
 		} else if(event.getProperty().equals(WorkingSetFilterActionGroup.CHANGE_WORKING_SET)) {
 			if(settingWorkingSet) return;
 			participant.setWorkingSet((IWorkingSet)event.getNewValue());
 		// Working set changed programatically
 		} else if(event.getProperty().equals(TeamSubscriberParticipant.P_SYNCVIEWPAGE_WORKINGSET)) {
 			settingWorkingSet = true;
 			Object newValue = event.getNewValue();
 			if (newValue instanceof IWorkingSet) {
 				workingSetGroup.setWorkingSet((IWorkingSet)newValue);
 			} else if (newValue == null) {
 				workingSetGroup.setWorkingSet(null);
 			}
 			settingWorkingSet = false;
 		} else if(event.getProperty().equals(IPreferenceIds.SYNCVIEW_VIEW_SYNCINFO_IN_LABEL)) {
 			getViewer().refresh(true /* update labels */);
 		}
 	}

 	private void updateMode(int mode) {
 		int[] modeFilter = BOTH_MODE_FILTER;
 		switch(mode) {
 			case TeamSubscriberParticipant.INCOMING_MODE:
 				modeFilter = INCOMING_MODE_FILTER; break;
 			case TeamSubscriberParticipant.OUTGOING_MODE:
 				modeFilter = OUTGOING_MODE_FILTER; break;
 			case TeamSubscriberParticipant.BOTH_MODE:
 				modeFilter = BOTH_MODE_FILTER; break;
 			case TeamSubscriberParticipant.CONFLICTING_MODE:
 				modeFilter = CONFLICTING_MODE_FILTER; break;
 		}
 		try {
 			input.setFilter(
 					new SyncInfoFilter.AndSyncInfoFilter(
 						new SyncInfoFilter[] {
 						   new SyncInfoFilter.SyncInfoDirectionFilter(modeFilter),
 						   new SyncInfoFilter.SyncInfoChangeTypeFilter(new int[] {SyncInfo.ADDITION, SyncInfo.DELETION, SyncInfo.CHANGE}),
 						   new SyncInfoFilter.PseudoConflictFilter()
 			}), new NullProgressMonitor());
 		} catch (TeamException e) {
 			Utils.handleError(getSite().getShell(), e, Policy.bind("SynchronizeView.16"), e.getMessage()); //$NON-NLS-1$
 		}
 	}

 	/**
 	 * @return Returns the participant.
 	 */
 	public TeamSubscriberParticipant getParticipant() {
 		return participant;
 	}

 	/**
 	 * @return Returns the view.
 	 */
 	public ISynchronizeView getSynchronizeView() {
 		return view;
 	}
 }
	/*******************************************************************************
	* 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;

	import java.util.Iterator;

	import org.eclipse.core.resources.IResource;
	import org.eclipse.core.runtime.NullProgressMonitor;
	import org.eclipse.jface.action.*;
	import org.eclipse.jface.preference.IPreferenceStore;
	import org.eclipse.jface.util.IPropertyChangeListener;
	import org.eclipse.jface.util.PropertyChangeEvent;
	import org.eclipse.jface.viewers.*;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionListener;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.*;
	import org.eclipse.team.core.TeamException;
	import org.eclipse.team.core.subscribers.SyncInfo;
	import org.eclipse.team.internal.ui.*;
	import org.eclipse.team.internal.ui.jobs.JobBusyCursor;
	import org.eclipse.team.internal.ui.synchronize.actions.*;
	import org.eclipse.team.internal.ui.synchronize.sets.SubscriberInput;
	import org.eclipse.team.internal.ui.synchronize.views.*;
	import org.eclipse.team.ui.synchronize.actions.SubscriberAction;
	import org.eclipse.team.ui.synchronize.actions.SyncInfoFilter;
	import org.eclipse.ui.*;
	import org.eclipse.ui.part.*;
	import org.eclipse.ui.views.navigator.ResourceSorter;

	/**
	* A synchronize view page that works with participants that are subclasses of
	* {@link TeamSubscriberParticipant}. It shows changes in the tree or table view
	* and supports navigation, opening, and filtering changes.
	* <p>
	* Clients can subclass to extend the label decoration or add action bar
	* contributions. For more extensive modifications, clients should create
	* their own custom control.
	* </p>
	* @since 3.0
	*/
	public class TeamSubscriberParticipantPage implements IPageBookViewPage, IPropertyChangeListener {
	// The viewer that is shown in the view. Currently this can be either a table or tree viewer.
	private StructuredViewer viewer;

	// Parent composite of this view. It is remembered so that we can dispose of its children when
	// the viewer type is switched.
	private Composite composite = null;
	private boolean settingWorkingSet = false;

	// Viewer type constants
	private int layout;

	// Remembering the current input and the previous.
	private SubscriberInput input = null;

	// A set of common actions. They are hooked to the active SubscriberInput and must
	// be reset when the input changes.
	// private SyncViewerActions actions;

	private JobBusyCursor busyCursor;
	private ISynchronizeView view;
	private TeamSubscriberParticipant participant;
	private IPageSite site;

	public final static int[] INCOMING_MODE_FILTER = new int[] {SyncInfo.CONFLICTING, SyncInfo.INCOMING};
	public final static int[] OUTGOING_MODE_FILTER = new int[] {SyncInfo.CONFLICTING, SyncInfo.OUTGOING};
	public final static int[] BOTH_MODE_FILTER = new int[] {SyncInfo.CONFLICTING, SyncInfo.INCOMING, SyncInfo.OUTGOING};
	public final static int[] CONFLICTING_MODE_FILTER = new int[] {SyncInfo.CONFLICTING};

	// Actions
	private OpenWithActionGroup openWithActions;
	private NavigateAction gotoNext;
	private NavigateAction gotoPrevious;
	private Action toggleLayoutTree;
	private Action toggleLayoutTable;
	private RefactorActionGroup refactorActions;
	private SyncViewerShowPreferencesAction showPreferences;
	private RefreshAction refreshAction;
	private ComparisonCriteriaActionGroup comparisonCriteria;
	private Action collapseAll;
	private Action expandAll;
	private WorkingSetFilterActionGroup workingSetGroup;
	private StatusLineContributionGroup statusLine;

	/**
	* Constructs a new SynchronizeView.
	*/
	public TeamSubscriberParticipantPage(TeamSubscriberParticipant page, ISynchronizeView view, SubscriberInput input) {
	this.participant = page;
	this.view = view;
	this.input = input;
	layout = getStore().getInt(IPreferenceIds.SYNCVIEW_VIEW_TYPE);
	if (layout != TeamSubscriberParticipant.TREE_LAYOUT) {
	layout = TeamSubscriberParticipant.TABLE_LAYOUT;
	}
	}

	/* (non-Javadoc)
	* @see org.eclipse.ui.part.IPage#createControl(org.eclipse.swt.widgets.Composite)
	*/
	public void createControl(Composite parent) {
	composite = new Composite(parent, SWT.NONE);
	GridLayout gridLayout= new GridLayout();
	gridLayout.makeColumnsEqualWidth= false;
	gridLayout.marginWidth= 0;
	gridLayout.marginHeight = 0;
	gridLayout.verticalSpacing = 0;
	composite.setLayout(gridLayout);

	// Create the busy cursor with no control to start with (createViewer will set it)
	busyCursor = new JobBusyCursor(null /* control */, SubscriberAction.SUBSCRIBER_JOB_TYPE);
	createViewer(composite);

	// create actions
	openWithActions = new OpenWithActionGroup(this);
	refactorActions = new RefactorActionGroup(view);
	gotoNext = new NavigateAction(view, this, INavigableControl.NEXT);
	gotoPrevious = new NavigateAction(view, this, INavigableControl.PREVIOUS);
	comparisonCriteria = new ComparisonCriteriaActionGroup(input);

	toggleLayoutTable = new ToggleViewLayoutAction(participant, TeamSubscriberParticipant.TABLE_LAYOUT);
	toggleLayoutTree = new ToggleViewLayoutAction(participant, TeamSubscriberParticipant.TREE_LAYOUT);
	workingSetGroup = new WorkingSetFilterActionGroup(getSite().getShell(), this, view, participant);

	showPreferences = new SyncViewerShowPreferencesAction(view.getSite().getShell());

	refreshAction = new RefreshAction(getSite().getPage(), input, true /* refresh all */);
	statusLine = new StatusLineContributionGroup(this.input);

	collapseAll = new Action() {
	public void run() {
	collapseAll();
	}
	};
	Utils.initAction(collapseAll, "action.collapseAll."); //$NON-NLS-1$

	expandAll = new Action() {
	public void run() {
	Viewer viewer = getViewer();
	ISelection selection = viewer.getSelection();
	if(viewer instanceof AbstractTreeViewer && ! selection.isEmpty()) {
	Iterator elements = ((IStructuredSelection)selection).iterator();
	while (elements.hasNext()) {
	Object next = elements.next();
	((AbstractTreeViewer) viewer).expandToLevel(next, AbstractTreeViewer.ALL_LEVELS);
	}
	}
	}
	};
	Utils.initAction(expandAll, "action.expandAll."); //$NON-NLS-1$

	participant.addPropertyChangeListener(this);
	TeamUIPlugin.getPlugin().getPreferenceStore().addPropertyChangeListener(this);
	updateMode(participant.getMode());
	}

	/* (non-Javadoc)
	* @see org.eclipse.ui.IViewPart#init(org.eclipse.ui.IViewSite, org.eclipse.ui.IMemento)
	*/
	public void init(IPageSite site) throws PartInitException {
	this.site = site;
	}

	private void hookContextMenu() {
	if(getViewer() != null) {
	MenuManager menuMgr = new MenuManager(participant.getId()); //$NON-NLS-1$
	menuMgr.setRemoveAllWhenShown(true);
	menuMgr.addMenuListener(new IMenuListener() {
	public void menuAboutToShow(IMenuManager manager) {
	setContextMenu(manager);
	}
	});
	Menu menu = menuMgr.createContextMenu(viewer.getControl());
	viewer.getControl().setMenu(menu);
	getSite().registerContextMenu(participant.getId(), menuMgr, viewer);
	}
	}

	private void setContextMenu(IMenuManager manager) {
	openWithActions.fillContextMenu(manager);
	refactorActions.fillContextMenu(manager);
	manager.add(new Separator());
	manager.add(expandAll);
	manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
	}

	/**
	* Toggles between label/tree/table viewers.
	*/
	public void switchViewerType(int viewerType) {
	if(viewer == null \|\| viewerType != layout) {
	if (composite == null \|\| composite.isDisposed()) return;
	IStructuredSelection oldSelection = null;
	if(viewer != null) {
	oldSelection = (IStructuredSelection)viewer.getSelection();
	}
	layout = viewerType;
	getStore().setValue(IPreferenceIds.SYNCVIEW_VIEW_TYPE, layout);
	disposeChildren(composite);
	createViewer(composite);
	composite.layout();
	if(oldSelection == null \|\| oldSelection.size() == 0) {
	//gotoDifference(INavigableControl.NEXT);
	} else {
	viewer.setSelection(oldSelection, true);
	}
	}
	}

	/**
	* Adds the listeners to the viewer.
	*/
	private void initializeListeners() {
	viewer.addSelectionChangedListener(new ISelectionChangedListener() {
	public void selectionChanged(SelectionChangedEvent event) {
	updateStatusLine((IStructuredSelection)event.getSelection());
	}
	});
	viewer.addDoubleClickListener(new IDoubleClickListener() {
	public void doubleClick(DoubleClickEvent event) {
	handleDoubleClick(event);
	}
	});
	viewer.addOpenListener(new IOpenListener() {
	public void open(OpenEvent event) {
	handleOpen(event);
	}
	});
	}

	private void createViewer(Composite parent) {
	//tbMgr.createControl(parent);
	switch(layout) {
	case TeamSubscriberParticipant.TREE_LAYOUT:
	createTreeViewerPartControl(parent);
	break;
	case TeamSubscriberParticipant.TABLE_LAYOUT:
	createTableViewerPartControl(parent);
	break;
	}
	viewer.setInput(input);
	viewer.getControl().setFocus();
	initializeListeners();
	hookContextMenu();
	getSite().setSelectionProvider(getViewer());
	busyCursor.setControl(viewer.getControl());
	}

	protected ILabelProvider getLabelProvider() {
	return new TeamSubscriberParticipantLabelProvider();
	}

	private void createTreeViewerPartControl(Composite parent) {
	GridData data = new GridData(GridData.FILL_BOTH);
	viewer = new SyncTreeViewer(parent, SWT.MULTI \| SWT.H_SCROLL \| SWT.V_SCROLL);
	viewer.setLabelProvider(getLabelProvider());
	viewer.setSorter(new SyncViewerSorter(ResourceSorter.NAME));
	((TreeViewer)viewer).getTree().setLayoutData(data);
	}

	private void createTableViewerPartControl(Composite parent) {
	// Create the table
	Table table = new Table(parent, SWT.H_SCROLL \| SWT.V_SCROLL \| SWT.MULTI \| SWT.FULL_SELECTION);
	table.setHeaderVisible(true);
	table.setLinesVisible(true);
	GridData data = new GridData(GridData.FILL_BOTH);
	table.setLayoutData(data);

	// Set the table layout
	TableLayout layout = new TableLayout();
	table.setLayout(layout);

	// Create the viewer
	TableViewer tableViewer = new SyncTableViewer(table);

	// Create the table columns
	createColumns(table, layout, tableViewer);

	// Set the table contents
	viewer = tableViewer;
	viewer.setContentProvider(new SyncSetTableContentProvider());
	viewer.setLabelProvider(getLabelProvider());
	viewer.setSorter(new SyncViewerTableSorter());
	}

	/**
	* Creates the columns for the sync viewer table.
	*/
	private void createColumns(Table table, TableLayout layout, TableViewer viewer) {
	SelectionListener headerListener = SyncViewerTableSorter.getColumnListener(viewer);
	// revision
	TableColumn col = new TableColumn(table, SWT.NONE);
	col.setResizable(true);
	col.setText(Policy.bind("TeamSubscriberParticipantPage.7")); //$NON-NLS-1$
	col.addSelectionListener(headerListener);
	layout.addColumnData(new ColumnWeightData(30, true));

	// tags
	col = new TableColumn(table, SWT.NONE);
	col.setResizable(true);
	col.setText(Policy.bind("TeamSubscriberParticipantPage.8")); //$NON-NLS-1$
	col.addSelectionListener(headerListener);
	layout.addColumnData(new ColumnWeightData(50, true));
	}

	private void disposeChildren(Composite parent) {
	// Null out the control of the busy cursor while we are switching viewers
	busyCursor.setControl(null);
	Control[] children = parent.getChildren();
	for (int i = 0; i < children.length; i++) {
	Control control = children[i];
	control.dispose();
	}
	}

	private void handleOpen(OpenEvent event) {
	openWithActions.openInCompareEditor();
	}
	/**
	* Handles a double-click event from the viewer.
	* Expands or collapses a folder when double-clicked.
	*
	* @param event the double-click event
	* @since 2.0
	*/
	private void handleDoubleClick(DoubleClickEvent event) {
	IStructuredSelection selection = (IStructuredSelection) event.getSelection();
	Object element = selection.getFirstElement();
	// Double-clicking should expand/collapse containers
	if (viewer instanceof TreeViewer) {
	TreeViewer tree = (TreeViewer)viewer;
	if (tree.isExpandable(element)) {
	tree.setExpandedState(element, !tree.getExpandedState(element));
	}
	}
	}

	/* (non-Javadoc)
	* @see org.eclipse.ui.part.IPage#setFocus()
	*/
	public void setFocus() {
	if (viewer == null) return;
	viewer.getControl().setFocus();
	}

	public StructuredViewer getViewer() {
	return viewer;
	}

	/* (non-Javadoc)
	* @see org.eclipse.ui.IWorkbenchPart#dispose()
	*/
	public void dispose() {
	busyCursor.dispose();
	statusLine.dispose();
	}

	/*
	* Return the current input for the view.
	*/
	public SubscriberInput getInput() {
	return input;
	}

	public void collapseAll() {
	if (viewer == null \|\| !(viewer instanceof AbstractTreeViewer)) return;
	viewer.getControl().setRedraw(false);
	((AbstractTreeViewer)viewer).collapseToLevel(viewer.getInput(), TreeViewer.ALL_LEVELS);
	viewer.getControl().setRedraw(true);
	}

	/**
	* This method enables "Show In" support for this view
	*
	* @see org.eclipse.core.runtime.IAdaptable#getAdapter(java.lang.Class)
	*/
	public Object getAdapter(Class key) {
	if (key == IShowInSource.class) {
	return new IShowInSource() {
	public ShowInContext getShowInContext() {
	StructuredViewer v = getViewer();
	if (v == null) return null;
	return new ShowInContext(null, v.getSelection());
	}
	};
	}
	return null;
	}

	/**
	* Updates the message shown in the status line.
	*
	* @param selection the current selection
	*/
	private void updateStatusLine(IStructuredSelection selection) {
	String msg = getStatusLineMessage(selection);
	getSite().getActionBars().getStatusLineManager().setMessage(msg);
	}

	/**
	* Returns the message to show in the status line.
	*
	* @param selection the current selection
	* @return the status line message
	* @since 2.0
	*/
	private String getStatusLineMessage(IStructuredSelection selection) {
	if (selection.size() == 1) {
	IResource resource = getResource(selection.getFirstElement());
	if (resource == null) {
	return Policy.bind("SynchronizeView.12"); //$NON-NLS-1$
	} else {
	return resource.getFullPath().makeRelative().toString();
	}
	}
	if (selection.size() > 1) {
	return selection.size() + Policy.bind("SynchronizeView.13"); //$NON-NLS-1$
	}
	return ""; //$NON-NLS-1$
	}

	private IResource getResource(Object object) {
	return SyncSetContentProvider.getResource(object);
	}

	public void selectAll() {
	Viewer viewer = getViewer();
	if (viewer instanceof TableViewer) {
	TableViewer table = (TableViewer)viewer;
	table.getTable().selectAll();
	} else {
	// Select All in a tree doesn't really work well
	}
	}

	private IPreferenceStore getStore() {
	return TeamUIPlugin.getPlugin().getPreferenceStore();
	}

	/* (non-Javadoc)
	* @see org.eclipse.ui.part.IPage#getControl()
	*/
	public Control getControl() {
	return composite;
	}

	/* (non-Javadoc)
	* @see org.eclipse.ui.part.IPage#setActionBars(org.eclipse.ui.IActionBars)
	*/
	public void setActionBars(IActionBars actionBars) {
	if(actionBars != null) {
	IToolBarManager manager = actionBars.getToolBarManager();

	// toolbar
	manager.add(refreshAction);
	manager.add(comparisonCriteria);
	manager.add(new Separator());
	manager.add(gotoNext);
	manager.add(gotoPrevious);
	manager.add(collapseAll);
	manager.add(new Separator());

	// view menu
	updateViewMenu(actionBars);

	// status line
	statusLine.fillActionBars(actionBars);
	}
	}

	private void updateViewMenu(IActionBars actionBars) {
	IMenuManager menu = actionBars.getMenuManager();
	menu.removeAll();
	MenuManager layoutMenu = new MenuManager(Policy.bind("action.layout.label")); //$NON-NLS-1$
	layoutMenu.add(toggleLayoutTable);
	layoutMenu.add(toggleLayoutTree);
	workingSetGroup.fillActionBars(actionBars);
	menu.add(layoutMenu);
	menu.add(new Separator());
	menu.add(showPreferences);
	}

	/* (non-Javadoc)
	* @see org.eclipse.ui.part.IPageBookViewPage#getSite()
	*/
	public IPageSite getSite() {
	return this.site;
	}

	/* (non-Javadoc)
	* @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent)
	*/
	public void propertyChange(PropertyChangeEvent event) {
	// Layout change
	if(event.getProperty().equals(TeamSubscriberParticipant.P_SYNCVIEWPAGE_LAYOUT)) {
	switchViewerType(((Integer)event.getNewValue()).intValue());
	// Direction mode change
	} else if(event.getProperty().equals(TeamSubscriberParticipant.P_SYNCVIEWPAGE_MODE)) {
	updateMode(((Integer)event.getNewValue()).intValue());
	// Working set changed via menu selection - notify participant and
	// do all the real work when we get the next workset changed event
	} else if(event.getProperty().equals(WorkingSetFilterActionGroup.CHANGE_WORKING_SET)) {
	if(settingWorkingSet) return;
	participant.setWorkingSet((IWorkingSet)event.getNewValue());
	// Working set changed programatically
	} else if(event.getProperty().equals(TeamSubscriberParticipant.P_SYNCVIEWPAGE_WORKINGSET)) {
	settingWorkingSet = true;
	Object newValue = event.getNewValue();
	if (newValue instanceof IWorkingSet) {
	workingSetGroup.setWorkingSet((IWorkingSet)newValue);
	} else if (newValue == null) {
	workingSetGroup.setWorkingSet(null);
	}
	settingWorkingSet = false;
	} else if(event.getProperty().equals(IPreferenceIds.SYNCVIEW_VIEW_SYNCINFO_IN_LABEL)) {
	getViewer().refresh(true /* update labels */);
	}
	}

	private void updateMode(int mode) {
	int[] modeFilter = BOTH_MODE_FILTER;
	switch(mode) {
	case TeamSubscriberParticipant.INCOMING_MODE:
	modeFilter = INCOMING_MODE_FILTER; break;
	case TeamSubscriberParticipant.OUTGOING_MODE:
	modeFilter = OUTGOING_MODE_FILTER; break;
	case TeamSubscriberParticipant.BOTH_MODE:
	modeFilter = BOTH_MODE_FILTER; break;
	case TeamSubscriberParticipant.CONFLICTING_MODE:
	modeFilter = CONFLICTING_MODE_FILTER; break;
	}
	try {
	input.setFilter(
	new SyncInfoFilter.AndSyncInfoFilter(
	new SyncInfoFilter[] {
	new SyncInfoFilter.SyncInfoDirectionFilter(modeFilter),
	new SyncInfoFilter.SyncInfoChangeTypeFilter(new int[] {SyncInfo.ADDITION, SyncInfo.DELETION, SyncInfo.CHANGE}),
	new SyncInfoFilter.PseudoConflictFilter()
	}), new NullProgressMonitor());
	} catch (TeamException e) {
	Utils.handleError(getSite().getShell(), e, Policy.bind("SynchronizeView.16"), e.getMessage()); //$NON-NLS-1$
	}
	}

	/**
	* @return Returns the participant.
	*/
	public TeamSubscriberParticipant getParticipant() {
	return participant;
	}

	/**
	* @return Returns the view.
	*/
	public ISynchronizeView getSynchronizeView() {
	return view;
	}
	}