org.eclipse.gmf.runtime.diagram.ui/src/org/eclipse/gmf/runtime/diagram/ui/internal/dialogs/sortfilter/FilterDialog.java - gmf-runtime/org.eclipse.gmf-runtime - Git at Google

 /******************************************************************************
  * Copyright (c) 2005, 2009 IBM Corporation 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:
  *    IBM Corporation - initial API and implementation
  *    Nicolas Rouquette (NASA) - Fix for Bug 260812.
  ****************************************************************************/

 package org.eclipse.gmf.runtime.diagram.ui.internal.dialogs.sortfilter;

 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;

 import org.eclipse.emf.transaction.TransactionalEditingDomain;
 import org.eclipse.gef.EditPolicy;
 import org.eclipse.gef.commands.Command;
 import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
 import org.eclipse.gmf.runtime.diagram.ui.commands.CommandProxy;
 import org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart;
 import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
 import org.eclipse.gmf.runtime.diagram.ui.editparts.ListCompartmentEditPart;
 import org.eclipse.gmf.runtime.diagram.ui.editpolicies.EditPolicyRoles;
 import org.eclipse.gmf.runtime.diagram.ui.editpolicies.SortFilterContentEditPolicy;
 import org.eclipse.gmf.runtime.diagram.ui.internal.properties.Properties;
 import org.eclipse.gmf.runtime.diagram.ui.l10n.DiagramUIMessages;
 import org.eclipse.gmf.runtime.diagram.ui.requests.ChangePropertyValueRequest;
 import org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand;
 import org.eclipse.gmf.runtime.notation.Filtering;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.IDialogConstants;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.graphics.GC;
 import org.eclipse.swt.graphics.Rectangle;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Event;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Listener;
 import org.eclipse.swt.widgets.Shell;


 /**
  * Simple dialog that support filtering of list compartment items through visibililty
  *
  * @author jcorchis
  */
 public class FilterDialog
 	extends Dialog {

 	/** dialog title prefix */
 	private final String title = DiagramUIMessages.SortFilterDialog_title;

 	/** filter list labels */
 	static private final String FILTER_ITEMS_CONTAINING = DiagramUIMessages.SortFilter_filterItemsListLabel;
 	static private final String FILTER_ITEMS_LIST = DiagramUIMessages.SortFilter_fitlerListLabel;

 	/** Tool tips and labels for the filter buttons */
 	static private final String ADD_TO = DiagramUIMessages.SortFilter_addTo;
 	private final String ADD_TO_LABEL = "<"; //$NON-NLS-1$
 	static private final String REMOVE_FROM = DiagramUIMessages.SortFilter_removeFrom;
 	private final String REMOVE_FROM_LABEL = ">"; //$NON-NLS-1$
 	static private final String ADD_ALL = DiagramUIMessages.SortFilter_addAll;
 	private final String ADD_ALL_LABEL = "<<"; //$NON-NLS-1$
 	static private final String REMOVE_ALL = DiagramUIMessages.SortFilter_removeAll;
 	private final String REMOVE_ALL_LABEL = ">>"; //$NON-NLS-1$
 	static private final String APPLY = DiagramUIMessages.SortFilter_apply;

 	/** List item widgets */
 	private org.eclipse.swt.widgets.List filterList = null;
 	private org.eclipse.swt.widgets.List filters = null;
 	private Button addTo = null;
 	private Button removeFrom = null;
 	private Button addAllTo = null;
 	private Button removeAllFrom = null;

 	/** Button IDs */
 	private final int ADD_TO_ID = 1000;
 	private final int REMOVE_FROM_ID = ADD_TO_ID + 1;
 	private final int ADD_ALL_TO_ID = ADD_TO_ID + 2;
 	private final int REMOVE_ALL_FROM_ID = ADD_TO_ID + 3;
 	private final int APPLY_ID = 5000;

 	/** Height (in list items) for the filter items lists */
 	private int LIST_HEIGHT = 8;

 	/** The collection Column list for this page */
 	private Map filterMap = null;
 	private String[] filterStrings = null;

 	/** the default fitlering settings */
 	private Filtering _filtering = Filtering.NONE_LITERAL;
 	private List _filteringKeys = Collections.EMPTY_LIST;

 	/** List of editpart selected */
 	private List selection;

 	/**
 	 * Allows the user to initial apply changes and then
 	 * only after filtering has changed.
 	 */
 	private boolean changeToApply = true;


 	/**
 	 * SelectionAdapter for the filtering buttons. Calls <code>buttonPressed()</code>
 	 * to handle the action.
 	 *
 	 * @author jcorchis
 	 */
 	class ButtonSelectionAdapter extends SelectionAdapter {
 		public void widgetSelected(SelectionEvent event) {
 			buttonPressed(((Integer) event.widget.getData()).intValue());
 		}
 	}

 	/** Instance of the ButtonSelectionAdapter used for all filtering buttons. */
 	private ButtonSelectionAdapter buttonSelectionAdapter =
 		new ButtonSelectionAdapter();

 	/**
 	 * @param parentShell
 	 */
 	protected FilterDialog(Shell parentShell, List selection, Map filterMap) {
 		super(parentShell);
 		this.selection  = selection;
 		this.filterMap = filterMap;
 	}


 	/**
 	 * Adds an apply button and the filter control
 	 * @see org.eclipse.jface.dialogs.Dialog#createContents(org.eclipse.swt.widgets.Composite)
 	 */
 	protected Control createDialogArea(Composite parent) {
 		getShell().setText(title);
 		createFilterLists(parent);
 		return parent;
 	}


 	/**
 	 * Adds the apply button
 	 * @see org.eclipse.jface.dialogs.Dialog#createButtonsForButtonBar(org.eclipse.swt.widgets.Composite)
 	 */
 	protected void createButtonsForButtonBar(Composite parent) {
 		super.createButtonsForButtonBar(parent);
 		createButton(parent, APPLY_ID, APPLY, true);

 	}

 	/**
 	 * Creates the filtering list widgets
 	 * @param parent
 	 */
 	private void createFilterLists(Composite ancestor) {
 		// Do not show the filter lists if not filter criteria
 		// is defined.
 		if (filterMap == null || filterMap.isEmpty())
 			return;

 		Object[] filterArray = filterMap.keySet().toArray();
 		this.filterStrings = new String[filterArray.length];
 		for (int i = 0; i < filterArray.length; i++) {
 			filterStrings[i] = (String) filterArray[i];
 		}

 		//setup layout
 		Composite parent = new Composite(ancestor, SWT.NULL);

 		GridLayout layout = new GridLayout();
 		layout.marginHeight = 10;
 		layout.marginWidth = 10;
 		layout.numColumns = 3;
 		parent.setLayout(layout);

 		// Create the possible filter items list
 		Label filterItemsLabel = new Label(parent, SWT.LEFT);
 		filterItemsLabel.setText(FILTER_ITEMS_CONTAINING);
 		GridData gd = new GridData();
 		gd.horizontalAlignment = GridData.HORIZONTAL_ALIGN_BEGINNING;
 		filterItemsLabel.setLayoutData(gd);

 		// Create the possible filter items list
 		new Label(parent, SWT.LEFT);

 		// Create the possible filter items list
 		Label filterItemLabel = new Label(parent, SWT.LEFT);
 		filterItemLabel.setText(FILTER_ITEMS_LIST);
 		GridData gd2 = new GridData();
 		gd2.horizontalAlignment = GridData.BEGINNING;
 		filterItemLabel.setLayoutData(gd2);

 		// Create the possible filter items list
 		filters =
 			new org.eclipse.swt.widgets.List(
 				parent,
 				SWT.MULTI | SWT.BORDER | SWT.V_SCROLL);
 		GridData gridData = new GridData(GridData.VERTICAL_ALIGN_FILL);
 		gridData.verticalSpan = 1;
 		gridData.widthHint = 80;
 		int listHeight = filters.getItemHeight() * LIST_HEIGHT;
 		Rectangle trim = filters.computeTrim(0, 0, 0, listHeight);
 		gridData.heightHint = trim.height;
 		filters.setLayoutData(gridData);

 		// Create a new composite for the buttons and add
 		// stack them vertically
 		Composite buttonComposite = new Composite(parent, SWT.NULL);
 		GridLayout buttonLayout = new GridLayout();
 		buttonLayout.marginHeight = 0;
 		buttonLayout.marginWidth = 0;
 		buttonLayout.numColumns = 1;
 		buttonComposite.setLayout(buttonLayout);

 		GridData buttGD =
 			new GridData(GridData.FILL_VERTICAL | GridData.CENTER);
 		buttGD.horizontalSpan = 1;
 		buttGD.widthHint = 30;
 		buttonComposite.setLayoutData(buttGD);

 		removeFrom = new Button(buttonComposite, SWT.PUSH);
 		removeFrom.setText(REMOVE_FROM_LABEL);
 		removeFrom.setToolTipText(REMOVE_FROM);
 		removeFrom.setLayoutData(makeArrowButtonGridData(removeFrom));
 		removeFrom.setData(new Integer(REMOVE_FROM_ID));
 		removeFrom.addSelectionListener(buttonSelectionAdapter);
 		removeFrom.setEnabled(false);

 		addTo = new Button(buttonComposite, SWT.PUSH);
 		addTo.setText(ADD_TO_LABEL);
 		addTo.setToolTipText(ADD_TO);
 		addTo.setLayoutData(makeArrowButtonGridData(addTo));
 		addTo.setData(new Integer(ADD_TO_ID));
 		addTo.addSelectionListener(buttonSelectionAdapter);
 		addTo.setEnabled(false);

 		removeAllFrom = new Button(buttonComposite, SWT.PUSH);
 		removeAllFrom.setText(REMOVE_ALL_LABEL);
 		removeAllFrom.setToolTipText(REMOVE_ALL);
 		removeAllFrom.setLayoutData(makeArrowButtonGridData(removeAllFrom));
 		removeAllFrom.setData(new Integer(REMOVE_ALL_FROM_ID));
 		removeAllFrom.addSelectionListener(buttonSelectionAdapter);
 		addAllTo = new Button(buttonComposite, SWT.PUSH);

 		addAllTo.setText(ADD_ALL_LABEL);
 		addAllTo.setToolTipText(ADD_ALL);
 		addAllTo.setLayoutData(makeArrowButtonGridData(addAllTo));
 		addAllTo.setData(new Integer(ADD_ALL_TO_ID));
 		addAllTo.addSelectionListener(buttonSelectionAdapter);

 		// Add the possible list of filter items
 		this.filterList =
 			new org.eclipse.swt.widgets.List(
 				parent,
 				SWT.MULTI | SWT.BORDER | SWT.V_SCROLL);
 		GridData gridData2 = new GridData(GridData.VERTICAL_ALIGN_FILL);
 		gridData2.verticalSpan = 1;
 		gridData2.widthHint = 80;
 		int listHeight2 = filterList.getItemHeight() * LIST_HEIGHT;
 		Rectangle trim2 = filterList.computeTrim(0, 0, 0, listHeight2);
 		gridData.heightHint = trim2.height;
 		filterList.setLayoutData(gridData2);

 		filters.addListener(SWT.Selection, new Listener() {
 			public void handleEvent(Event e) {
 				removeFrom.setEnabled(filters.getSelectionCount() > 0);
 			}
 		});

 		filterList.addListener(SWT.Selection, new Listener() {
 			public void handleEvent(Event e) {
 				addTo.setEnabled(filterList.getSelectionCount() > 0);
 			}
 		});

 		initFilterLists();
 	}

 	/**
 	 * Populates the filter lists based on the _filteringKeys
 	 * and the filter criteria.
 	 */
 	private void initFilterLists() {
 		// TODO match the filtering key for all the list compartments
 		if (filterMap != null && !filterMap.isEmpty()) {
 			Set keySet = filterMap.keySet();
 			Iterator i = keySet.iterator();
 			if (_filtering == Filtering.AUTOMATIC_LITERAL) {
 				// Set the values of the filtered and unfiltered string
 				while (i.hasNext()) {
 					String filterString = (String) i.next();
 					if (_filteringKeys.contains(filterString)) {
 						filters.add(filterString);
 					} else {
 						filterList.add(filterString);
 					}
 				}
 			} else {
 				// Add all filter strings to the possible filter list
 				while (i.hasNext()) {
 					String filterString = (String) i.next();
 					filterList.add(filterString);
 				}
 			}
 		}
 	}

 	/**
 	 * Creates GridData for the moveup and movedown toolbar buttons.
 	 * @param control button
 	 * @return the <code>GridData</code>
 	 */
 	protected GridData makeArrowButtonGridData(Control control) {
 		GC gc = new GC(control);
 		gc.setFont(control.getFont());
 		//fill horizontal to make them all the same size
 		GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
 		gridData.heightHint = 24;
 		gc.dispose();
 		return gridData;
 	}

 	/**
 	 *
 	 * @param filterMap
 	 * @param property
 	 */
 	public void setFilter(Map filterMap, String property) {
 		if (filterMap != null) {
 			this.filterMap = filterMap;
 			Object[] filterArray = filterMap.keySet().toArray();
 			this.filterStrings = new String[filterArray.length];
 			for (int i = 0; i < filterArray.length; i++) {
 				filterStrings[i] = (String) filterArray[i];
 			}
 		}
 	}

 	/**
 	 * Handles the button pressed event on the filter criteria.  Move the items
 	 * between the lists based on the selection and but button pressed.
 	 * @see org.eclipse.jface.dialogs.Dialog#buttonPressed(int)
 	 */
 	protected void buttonPressed(int buttonId) {
 		String[] items = {
 		};
 		switch (buttonId) {
 			case ADD_TO_ID :
 				items = filterList.getSelection();
 				for (int i = 0; i < items.length; i++) {
 					filters.add(items[i]);
 					filterList.remove(items[i]);
 				}
 				addTo.setEnabled(false);
 				changeToApply = true;
 				break;
 			case REMOVE_FROM_ID :
 				items = filters.getSelection();
 				for (int i = 0; i < items.length; i++) {
 					filterList.add(items[i]);
 					filters.remove(items[i]);
 				}
 				removeFrom.setEnabled(false);
 				changeToApply = true;
 				break;
 			case ADD_ALL_TO_ID :
 				items = filterList.getItems();
 				for (int i = 0; i < items.length; i++) {
 					filters.add(items[i]);
 					filterList.remove(items[i]);
 				}
 				changeToApply = true;
 				break;
 			case REMOVE_ALL_FROM_ID :
 				items = filters.getItems();
 				for (int i = 0; i < items.length; i++) {
 					filters.remove(items[i]);
 					filterList.add(items[i]);
 				}
 				changeToApply = true;
 				break;
 			case IDialogConstants.OK_ID :
 				okPressed();
 				break;
 			case APPLY_ID :
 				applyPressed();
 				break;
 			default:
 				super.buttonPressed(buttonId);
 		}
 	}

 	/**
 	 *
 	 */
 	protected void okPressed() {
 		if (changeToApply)
 			applyPressed();
 		super.okPressed();
 	}

 	/**
 	 * Executes a sort filter command for every list compartment that understands
 	 * the sort filter request.
 	 */
 	protected void applyPressed() {
 		if (!changeToApply)
 			return;
 		if (filters.getItemCount() > 0) {
 			_filteringKeys = new ArrayList();
 			_filtering = Filtering.AUTOMATIC_LITERAL;
 			for (int i = 0; i < filters.getItemCount(); i++) {
 				_filteringKeys.add(filters.getItems()[i]);
 			}
 		} else {
 			_filtering = Filtering.NONE_LITERAL;
 			_filteringKeys = Collections.EMPTY_LIST;
 		}

 		ChangePropertyValueRequest filterTypeRequest = new ChangePropertyValueRequest(
 			Properties.ID_FILTERING, Properties.ID_FILTERING,
 			_filtering);
 		ChangePropertyValueRequest filterKeysRequest = new ChangePropertyValueRequest(
 			Properties.ID_FILTERING_KEYS, Properties.ID_FILTERING_KEYS,
 			_filteringKeys);

 		// Run the command
         TransactionalEditingDomain editingDomain = null;
         List childCommands = new ArrayList();
 		Iterator iter = selection.iterator();
 		while (iter.hasNext()) {
 			GraphicalEditPart ep = (GraphicalEditPart) iter.next();

             if (editingDomain == null) {
                 editingDomain = ep.getEditingDomain();
             }

 			List children = ep.getChildren();
 			for (int i = 0; i < children.size(); i++) {
 				if (children.get(i) instanceof ListCompartmentEditPart) {
 					ListCompartmentEditPart editPart = (ListCompartmentEditPart) children
 						.get(i);

 					if (filterMap != null && filterMap.equals(getFilterMapFromEditPart(editPart))) {
                        Command command = editPart.getCommand(filterTypeRequest);
                        if (null != command) {
                     	   childCommands.add(new CommandProxy(command));
                        }
                        command = editPart.getCommand(filterKeysRequest);
                        if (null != command) {
                     	   childCommands.add(new CommandProxy(command));
                        }
 					}
 				}
 			}
 		}

         CompositeTransactionalCommand cc = new CompositeTransactionalCommand(editingDomain,
             DiagramUIMessages.Command_SortFilterCommand, childCommands);

 		((IGraphicalEditPart) selection.get(0)).getRoot().getViewer()
 			.getEditDomain().getCommandStack().execute(
 				new ICommandProxy(cc));

 		changeToApply = false;
 	}

 	/**
 	 * Returns the ListCompartment level filter map or Collections.EMPTY_MAP
 	 * if an EditPolicyRoles.SORT_FILTER_CONTENT_ROLE is not installed
 	 * on the ListCompartment.
 	 * @param editPart
 	 * @return Map the filter map
 	 */
 	private Map getFilterMapFromEditPart(ListCompartmentEditPart editPart) {

 		EditPolicy ep = editPart.getEditPolicy(EditPolicyRoles.SORT_FILTER_CONTENT_ROLE);
 		if (ep instanceof SortFilterContentEditPolicy) {
 			return ((SortFilterContentEditPolicy)ep).getFilter();
 		}

 		return Collections.EMPTY_MAP;

 	}
 }
	/******************************************************************************
	* Copyright (c) 2005, 2009 IBM Corporation 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:
	* IBM Corporation - initial API and implementation
	* Nicolas Rouquette (NASA) - Fix for Bug 260812.
	****************************************************************************/

	package org.eclipse.gmf.runtime.diagram.ui.internal.dialogs.sortfilter;

	import java.util.ArrayList;
	import java.util.Collections;
	import java.util.Iterator;
	import java.util.List;
	import java.util.Map;
	import java.util.Set;

	import org.eclipse.emf.transaction.TransactionalEditingDomain;
	import org.eclipse.gef.EditPolicy;
	import org.eclipse.gef.commands.Command;
	import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
	import org.eclipse.gmf.runtime.diagram.ui.commands.CommandProxy;
	import org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart;
	import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
	import org.eclipse.gmf.runtime.diagram.ui.editparts.ListCompartmentEditPart;
	import org.eclipse.gmf.runtime.diagram.ui.editpolicies.EditPolicyRoles;
	import org.eclipse.gmf.runtime.diagram.ui.editpolicies.SortFilterContentEditPolicy;
	import org.eclipse.gmf.runtime.diagram.ui.internal.properties.Properties;
	import org.eclipse.gmf.runtime.diagram.ui.l10n.DiagramUIMessages;
	import org.eclipse.gmf.runtime.diagram.ui.requests.ChangePropertyValueRequest;
	import org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand;
	import org.eclipse.gmf.runtime.notation.Filtering;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.dialogs.IDialogConstants;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.graphics.GC;
	import org.eclipse.swt.graphics.Rectangle;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.Event;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Listener;
	import org.eclipse.swt.widgets.Shell;


	/**
	* Simple dialog that support filtering of list compartment items through visibililty
	*
	* @author jcorchis
	*/
	public class FilterDialog
	extends Dialog {

	/** dialog title prefix */
	private final String title = DiagramUIMessages.SortFilterDialog_title;

	/** filter list labels */
	static private final String FILTER_ITEMS_CONTAINING = DiagramUIMessages.SortFilter_filterItemsListLabel;
	static private final String FILTER_ITEMS_LIST = DiagramUIMessages.SortFilter_fitlerListLabel;

	/** Tool tips and labels for the filter buttons */
	static private final String ADD_TO = DiagramUIMessages.SortFilter_addTo;
	private final String ADD_TO_LABEL = "<"; //$NON-NLS-1$
	static private final String REMOVE_FROM = DiagramUIMessages.SortFilter_removeFrom;
	private final String REMOVE_FROM_LABEL = ">"; //$NON-NLS-1$
	static private final String ADD_ALL = DiagramUIMessages.SortFilter_addAll;
	private final String ADD_ALL_LABEL = "<<"; //$NON-NLS-1$
	static private final String REMOVE_ALL = DiagramUIMessages.SortFilter_removeAll;
	private final String REMOVE_ALL_LABEL = ">>"; //$NON-NLS-1$
	static private final String APPLY = DiagramUIMessages.SortFilter_apply;

	/** List item widgets */
	private org.eclipse.swt.widgets.List filterList = null;
	private org.eclipse.swt.widgets.List filters = null;
	private Button addTo = null;
	private Button removeFrom = null;
	private Button addAllTo = null;
	private Button removeAllFrom = null;

	/** Button IDs */
	private final int ADD_TO_ID = 1000;
	private final int REMOVE_FROM_ID = ADD_TO_ID + 1;
	private final int ADD_ALL_TO_ID = ADD_TO_ID + 2;
	private final int REMOVE_ALL_FROM_ID = ADD_TO_ID + 3;
	private final int APPLY_ID = 5000;

	/** Height (in list items) for the filter items lists */
	private int LIST_HEIGHT = 8;

	/** The collection Column list for this page */
	private Map filterMap = null;
	private String[] filterStrings = null;

	/** the default fitlering settings */
	private Filtering _filtering = Filtering.NONE_LITERAL;
	private List _filteringKeys = Collections.EMPTY_LIST;

	/** List of editpart selected */
	private List selection;

	/**
	* Allows the user to initial apply changes and then
	* only after filtering has changed.
	*/
	private boolean changeToApply = true;


	/**
	* SelectionAdapter for the filtering buttons. Calls <code>buttonPressed()</code>
	* to handle the action.
	*
	* @author jcorchis
	*/
	class ButtonSelectionAdapter extends SelectionAdapter {
	public void widgetSelected(SelectionEvent event) {
	buttonPressed(((Integer) event.widget.getData()).intValue());
	}
	}

	/** Instance of the ButtonSelectionAdapter used for all filtering buttons. */
	private ButtonSelectionAdapter buttonSelectionAdapter =
	new ButtonSelectionAdapter();

	/**
	* @param parentShell
	*/
	protected FilterDialog(Shell parentShell, List selection, Map filterMap) {
	super(parentShell);
	this.selection = selection;
	this.filterMap = filterMap;
	}


	/**
	* Adds an apply button and the filter control
	* @see org.eclipse.jface.dialogs.Dialog#createContents(org.eclipse.swt.widgets.Composite)
	*/
	protected Control createDialogArea(Composite parent) {
	getShell().setText(title);
	createFilterLists(parent);
	return parent;
	}


	/**
	* Adds the apply button
	* @see org.eclipse.jface.dialogs.Dialog#createButtonsForButtonBar(org.eclipse.swt.widgets.Composite)
	*/
	protected void createButtonsForButtonBar(Composite parent) {
	super.createButtonsForButtonBar(parent);
	createButton(parent, APPLY_ID, APPLY, true);

	}

	/**
	* Creates the filtering list widgets
	* @param parent
	*/
	private void createFilterLists(Composite ancestor) {
	// Do not show the filter lists if not filter criteria
	// is defined.
	if (filterMap == null \|\| filterMap.isEmpty())
	return;

	Object[] filterArray = filterMap.keySet().toArray();
	this.filterStrings = new String[filterArray.length];
	for (int i = 0; i < filterArray.length; i++) {
	filterStrings[i] = (String) filterArray[i];
	}

	//setup layout
	Composite parent = new Composite(ancestor, SWT.NULL);

	GridLayout layout = new GridLayout();
	layout.marginHeight = 10;
	layout.marginWidth = 10;
	layout.numColumns = 3;
	parent.setLayout(layout);

	// Create the possible filter items list
	Label filterItemsLabel = new Label(parent, SWT.LEFT);
	filterItemsLabel.setText(FILTER_ITEMS_CONTAINING);
	GridData gd = new GridData();
	gd.horizontalAlignment = GridData.HORIZONTAL_ALIGN_BEGINNING;
	filterItemsLabel.setLayoutData(gd);

	// Create the possible filter items list
	new Label(parent, SWT.LEFT);

	// Create the possible filter items list
	Label filterItemLabel = new Label(parent, SWT.LEFT);
	filterItemLabel.setText(FILTER_ITEMS_LIST);
	GridData gd2 = new GridData();
	gd2.horizontalAlignment = GridData.BEGINNING;
	filterItemLabel.setLayoutData(gd2);

	// Create the possible filter items list
	filters =
	new org.eclipse.swt.widgets.List(
	parent,
	SWT.MULTI \| SWT.BORDER \| SWT.V_SCROLL);
	GridData gridData = new GridData(GridData.VERTICAL_ALIGN_FILL);
	gridData.verticalSpan = 1;
	gridData.widthHint = 80;
	int listHeight = filters.getItemHeight() * LIST_HEIGHT;
	Rectangle trim = filters.computeTrim(0, 0, 0, listHeight);
	gridData.heightHint = trim.height;
	filters.setLayoutData(gridData);

	// Create a new composite for the buttons and add
	// stack them vertically
	Composite buttonComposite = new Composite(parent, SWT.NULL);
	GridLayout buttonLayout = new GridLayout();
	buttonLayout.marginHeight = 0;
	buttonLayout.marginWidth = 0;
	buttonLayout.numColumns = 1;
	buttonComposite.setLayout(buttonLayout);

	GridData buttGD =
	new GridData(GridData.FILL_VERTICAL \| GridData.CENTER);
	buttGD.horizontalSpan = 1;
	buttGD.widthHint = 30;
	buttonComposite.setLayoutData(buttGD);

	removeFrom = new Button(buttonComposite, SWT.PUSH);
	removeFrom.setText(REMOVE_FROM_LABEL);
	removeFrom.setToolTipText(REMOVE_FROM);
	removeFrom.setLayoutData(makeArrowButtonGridData(removeFrom));
	removeFrom.setData(new Integer(REMOVE_FROM_ID));
	removeFrom.addSelectionListener(buttonSelectionAdapter);
	removeFrom.setEnabled(false);

	addTo = new Button(buttonComposite, SWT.PUSH);
	addTo.setText(ADD_TO_LABEL);
	addTo.setToolTipText(ADD_TO);
	addTo.setLayoutData(makeArrowButtonGridData(addTo));
	addTo.setData(new Integer(ADD_TO_ID));
	addTo.addSelectionListener(buttonSelectionAdapter);
	addTo.setEnabled(false);

	removeAllFrom = new Button(buttonComposite, SWT.PUSH);
	removeAllFrom.setText(REMOVE_ALL_LABEL);
	removeAllFrom.setToolTipText(REMOVE_ALL);
	removeAllFrom.setLayoutData(makeArrowButtonGridData(removeAllFrom));
	removeAllFrom.setData(new Integer(REMOVE_ALL_FROM_ID));
	removeAllFrom.addSelectionListener(buttonSelectionAdapter);
	addAllTo = new Button(buttonComposite, SWT.PUSH);

	addAllTo.setText(ADD_ALL_LABEL);
	addAllTo.setToolTipText(ADD_ALL);
	addAllTo.setLayoutData(makeArrowButtonGridData(addAllTo));
	addAllTo.setData(new Integer(ADD_ALL_TO_ID));
	addAllTo.addSelectionListener(buttonSelectionAdapter);

	// Add the possible list of filter items
	this.filterList =
	new org.eclipse.swt.widgets.List(
	parent,
	SWT.MULTI \| SWT.BORDER \| SWT.V_SCROLL);
	GridData gridData2 = new GridData(GridData.VERTICAL_ALIGN_FILL);
	gridData2.verticalSpan = 1;
	gridData2.widthHint = 80;
	int listHeight2 = filterList.getItemHeight() * LIST_HEIGHT;
	Rectangle trim2 = filterList.computeTrim(0, 0, 0, listHeight2);
	gridData.heightHint = trim2.height;
	filterList.setLayoutData(gridData2);

	filters.addListener(SWT.Selection, new Listener() {
	public void handleEvent(Event e) {
	removeFrom.setEnabled(filters.getSelectionCount() > 0);
	}
	});

	filterList.addListener(SWT.Selection, new Listener() {
	public void handleEvent(Event e) {
	addTo.setEnabled(filterList.getSelectionCount() > 0);
	}
	});

	initFilterLists();
	}

	/**
	* Populates the filter lists based on the _filteringKeys
	* and the filter criteria.
	*/
	private void initFilterLists() {
	// TODO match the filtering key for all the list compartments
	if (filterMap != null && !filterMap.isEmpty()) {
	Set keySet = filterMap.keySet();
	Iterator i = keySet.iterator();
	if (_filtering == Filtering.AUTOMATIC_LITERAL) {
	// Set the values of the filtered and unfiltered string
	while (i.hasNext()) {
	String filterString = (String) i.next();
	if (_filteringKeys.contains(filterString)) {
	filters.add(filterString);
	} else {
	filterList.add(filterString);
	}
	}
	} else {
	// Add all filter strings to the possible filter list
	while (i.hasNext()) {
	String filterString = (String) i.next();
	filterList.add(filterString);
	}
	}
	}
	}

	/**
	* Creates GridData for the moveup and movedown toolbar buttons.
	* @param control button
	* @return the <code>GridData</code>
	*/
	protected GridData makeArrowButtonGridData(Control control) {
	GC gc = new GC(control);
	gc.setFont(control.getFont());
	//fill horizontal to make them all the same size
	GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
	gridData.heightHint = 24;
	gc.dispose();
	return gridData;
	}

	/**
	*
	* @param filterMap
	* @param property
	*/
	public void setFilter(Map filterMap, String property) {
	if (filterMap != null) {
	this.filterMap = filterMap;
	Object[] filterArray = filterMap.keySet().toArray();
	this.filterStrings = new String[filterArray.length];
	for (int i = 0; i < filterArray.length; i++) {
	filterStrings[i] = (String) filterArray[i];
	}
	}
	}

	/**
	* Handles the button pressed event on the filter criteria. Move the items
	* between the lists based on the selection and but button pressed.
	* @see org.eclipse.jface.dialogs.Dialog#buttonPressed(int)
	*/
	protected void buttonPressed(int buttonId) {
	String[] items = {
	};
	switch (buttonId) {
	case ADD_TO_ID :
	items = filterList.getSelection();
	for (int i = 0; i < items.length; i++) {
	filters.add(items[i]);
	filterList.remove(items[i]);
	}
	addTo.setEnabled(false);
	changeToApply = true;
	break;
	case REMOVE_FROM_ID :
	items = filters.getSelection();
	for (int i = 0; i < items.length; i++) {
	filterList.add(items[i]);
	filters.remove(items[i]);
	}
	removeFrom.setEnabled(false);
	changeToApply = true;
	break;
	case ADD_ALL_TO_ID :
	items = filterList.getItems();
	for (int i = 0; i < items.length; i++) {
	filters.add(items[i]);
	filterList.remove(items[i]);
	}
	changeToApply = true;
	break;
	case REMOVE_ALL_FROM_ID :
	items = filters.getItems();
	for (int i = 0; i < items.length; i++) {
	filters.remove(items[i]);
	filterList.add(items[i]);
	}
	changeToApply = true;
	break;
	case IDialogConstants.OK_ID :
	okPressed();
	break;
	case APPLY_ID :
	applyPressed();
	break;
	default:
	super.buttonPressed(buttonId);
	}
	}

	/**
	*
	*/
	protected void okPressed() {
	if (changeToApply)
	applyPressed();
	super.okPressed();
	}

	/**
	* Executes a sort filter command for every list compartment that understands
	* the sort filter request.
	*/
	protected void applyPressed() {
	if (!changeToApply)
	return;
	if (filters.getItemCount() > 0) {
	_filteringKeys = new ArrayList();
	_filtering = Filtering.AUTOMATIC_LITERAL;
	for (int i = 0; i < filters.getItemCount(); i++) {
	_filteringKeys.add(filters.getItems()[i]);
	}
	} else {
	_filtering = Filtering.NONE_LITERAL;
	_filteringKeys = Collections.EMPTY_LIST;
	}

	ChangePropertyValueRequest filterTypeRequest = new ChangePropertyValueRequest(
	Properties.ID_FILTERING, Properties.ID_FILTERING,
	_filtering);
	ChangePropertyValueRequest filterKeysRequest = new ChangePropertyValueRequest(
	Properties.ID_FILTERING_KEYS, Properties.ID_FILTERING_KEYS,
	_filteringKeys);

	// Run the command
	TransactionalEditingDomain editingDomain = null;
	List childCommands = new ArrayList();
	Iterator iter = selection.iterator();
	while (iter.hasNext()) {
	GraphicalEditPart ep = (GraphicalEditPart) iter.next();

	if (editingDomain == null) {
	editingDomain = ep.getEditingDomain();
	}

	List children = ep.getChildren();
	for (int i = 0; i < children.size(); i++) {
	if (children.get(i) instanceof ListCompartmentEditPart) {
	ListCompartmentEditPart editPart = (ListCompartmentEditPart) children
	.get(i);

	if (filterMap != null && filterMap.equals(getFilterMapFromEditPart(editPart))) {
	Command command = editPart.getCommand(filterTypeRequest);
	if (null != command) {
	childCommands.add(new CommandProxy(command));
	}
	command = editPart.getCommand(filterKeysRequest);
	if (null != command) {
	childCommands.add(new CommandProxy(command));
	}
	}
	}
	}
	}

	CompositeTransactionalCommand cc = new CompositeTransactionalCommand(editingDomain,
	DiagramUIMessages.Command_SortFilterCommand, childCommands);

	((IGraphicalEditPart) selection.get(0)).getRoot().getViewer()
	.getEditDomain().getCommandStack().execute(
	new ICommandProxy(cc));

	changeToApply = false;
	}

	/**
	* Returns the ListCompartment level filter map or Collections.EMPTY_MAP
	* if an EditPolicyRoles.SORT_FILTER_CONTENT_ROLE is not installed
	* on the ListCompartment.
	* @param editPart
	* @return Map the filter map
	*/
	private Map getFilterMapFromEditPart(ListCompartmentEditPart editPart) {

	EditPolicy ep = editPart.getEditPolicy(EditPolicyRoles.SORT_FILTER_CONTENT_ROLE);
	if (ep instanceof SortFilterContentEditPolicy) {
	return ((SortFilterContentEditPolicy)ep).getFilter();
	}

	return Collections.EMPTY_MAP;

	}
	}