plugins/org.eclipse.jst.server.tomcat.ui/tomcatui/org/eclipse/jst/server/tomcat/ui/internal/editor/ConfigurationMimeEditorSection.java - servertools/webtools.servertools - Git at Google

 /*******************************************************************************
  * Copyright (c) 2003, 2006 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
  *******************************************************************************/
 package org.eclipse.jst.server.tomcat.ui.internal.editor;

 import java.beans.*;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;

 import org.eclipse.wst.server.ui.editor.*;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.*;
 import org.eclipse.swt.layout.*;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Tree;
 import org.eclipse.swt.widgets.TreeItem;
 import org.eclipse.jface.dialogs.IDialogConstants;
 import org.eclipse.jst.server.tomcat.core.internal.MimeMapping;
 import org.eclipse.jst.server.tomcat.core.internal.TomcatConfiguration;
 import org.eclipse.jst.server.tomcat.core.internal.TomcatServer;
 import org.eclipse.jst.server.tomcat.core.internal.command.*;
 import org.eclipse.jst.server.tomcat.ui.internal.ContextIds;
 import org.eclipse.jst.server.tomcat.ui.internal.Messages;
 import org.eclipse.jst.server.tomcat.ui.internal.TomcatUIPlugin;
 import org.eclipse.ui.*;
 import org.eclipse.ui.forms.widgets.ExpandableComposite;
 import org.eclipse.ui.forms.widgets.FormToolkit;
 import org.eclipse.ui.forms.widgets.Section;
 import org.eclipse.ui.help.IWorkbenchHelpSystem;
 /**
  * Tomcat configuration mime editor section.
  */
 public class ConfigurationMimeEditorSection extends ServerEditorSection {
 	protected TomcatConfiguration tomcatConfiguration;

 	protected boolean updating;

 	protected PropertyChangeListener listener;

 	protected Tree mimeTypes;
 	protected int index = -1;
 	protected List mappings;
 	protected Button add;
 	protected Button remove;
 	protected Button edit;

 	/**
 	 * ConfigurationMimeEditorSection constructor comment.
 	 */
 	public ConfigurationMimeEditorSection() {
 		super();
 	}

 	/**
 	 *
 	 */
 	protected void addChangeListener() {
 		listener = new PropertyChangeListener() {
 			public void propertyChange(PropertyChangeEvent event) {
 				if (TomcatConfiguration.ADD_MAPPING_PROPERTY.equals(event.getPropertyName())) {
 					Integer in = (Integer) event.getOldValue();
 					MimeMapping mapping = (MimeMapping) event.getNewValue();
 					addMimeMapping(in.intValue(), mapping);
 				} else if (TomcatConfiguration.REMOVE_MAPPING_PROPERTY.equals(event.getPropertyName())) {
 					Integer in = (Integer) event.getNewValue();
 					removeMimeMapping(in.intValue());
 				} else if (TomcatConfiguration.MODIFY_MAPPING_PROPERTY.equals(event.getPropertyName())) {
 					Integer in = (Integer) event.getOldValue();
 					MimeMapping mapping = (MimeMapping) event.getNewValue();
 					modifyMimeMapping(in.intValue(), mapping);
 				}
 			}
 		};
 		tomcatConfiguration.addPropertyChangeListener(listener);
 	}

 	public void createSection(Composite parent) {
 		super.createSection(parent);

 		FormToolkit toolkit = getFormToolkit(parent.getDisplay());

 		Section section = toolkit.createSection(parent, ExpandableComposite.TWISTIE | ExpandableComposite.TITLE_BAR
 			| Section.DESCRIPTION | ExpandableComposite.FOCUS_TITLE);
 		section.setText(Messages.configurationEditorMimeMappingsSection);
 		section.setDescription(Messages.configurationEditorMimeMappingsDescription);
 		section.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_FILL));

 		Composite composite = toolkit.createComposite(section);
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 2;
 		layout.marginHeight = 5;
 		layout.marginWidth = 10;
 		layout.verticalSpacing = 5;
 		layout.horizontalSpacing = 15;
 		composite.setLayout(layout);
 		GridData data = new GridData(GridData.FILL_BOTH);
 		composite.setLayoutData(data);
 		IWorkbenchHelpSystem whs = PlatformUI.getWorkbench().getHelpSystem();
 		whs.setHelp(composite, ContextIds.CONFIGURATION_EDITOR_MAPPINGS);
 		toolkit.paintBordersFor(composite);
 		section.setClient(composite);

 		mimeTypes = toolkit.createTree(composite, SWT.V_SCROLL | SWT.SINGLE | SWT.H_SCROLL);
 		data = new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_FILL);
 		data.heightHint = 200;
 		mimeTypes.setLayoutData(data);
 		whs.setHelp(mimeTypes, ContextIds.CONFIGURATION_EDITOR_MAPPINGS_LIST);

 		// add listener to the table
 		mimeTypes.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				selectMimeMapping();
 			}
 		});

 		Composite buttonComp = toolkit.createComposite(composite);
 		layout = new GridLayout();
 		layout.marginHeight = 0;
 		layout.marginWidth = 0;
 		buttonComp.setLayout(layout);
 		buttonComp.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_BEGINNING | GridData.HORIZONTAL_ALIGN_FILL));

 		add = toolkit.createButton(buttonComp, Messages.editorAdd, SWT.PUSH);
 		add.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

 		add.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				MimeMappingDialog dialog = new MimeMappingDialog(getShell());
 				dialog.open();
 				if (dialog.getReturnCode() == IDialogConstants.OK_ID) {
 					execute(new AddMimeMappingCommand(tomcatConfiguration, dialog.getMimeMapping()));
 				}
 			}
 		});
 		whs.setHelp(add, ContextIds.CONFIGURATION_EDITOR_MAPPINGS_ADD);

 		edit = toolkit.createButton(buttonComp, Messages.editorEdit, SWT.PUSH);
 		edit.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
 		edit.setEnabled(false);

 		edit.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				if (index < 0)
 					return;
 				MimeMappingDialog dialog = new MimeMappingDialog(getShell(), (MimeMapping) tomcatConfiguration.getMimeMappings().get(index));
 				dialog.open();
 				if (dialog.getReturnCode() == IDialogConstants.OK_ID) {
 					execute(new ModifyMimeMappingCommand(tomcatConfiguration, index, dialog.getMimeMapping()));
 				}
 			}
 		});
 		whs.setHelp(edit, ContextIds.CONFIGURATION_EDITOR_MAPPINGS_EDIT);

 		remove = toolkit.createButton(buttonComp, Messages.editorRemove, SWT.PUSH);
 		remove.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
 		remove.setEnabled(false);

 		remove.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				if (index < 0)
 					return;
 				execute(new RemoveMimeMappingCommand(tomcatConfiguration, index));
 				index = -1;
 				edit.setEnabled(false);
 				remove.setEnabled(false);
 			}
 		});
 		whs.setHelp(remove, ContextIds.CONFIGURATION_EDITOR_MAPPINGS_REMOVE);

 		initialize();
 	}

 	public void dispose() {
 		if (tomcatConfiguration != null)
 			tomcatConfiguration.removePropertyChangeListener(listener);
 	}

 	public void init(IEditorSite site, IEditorInput input) {
 		super.init(site, input);

 		TomcatServer ts = (TomcatServer) server.getAdapter(TomcatServer.class);
 		try {
 			tomcatConfiguration = ts.getTomcatConfiguration();
 		} catch (Exception e) {
 			// ignore
 		}
 		addChangeListener();
 		initialize();
 	}

 	/**
 	 * Initialize the fields in this editor.
 	 */
 	protected void initialize() {
 		if (mimeTypes == null)
 			return;

 		mimeTypes.removeAll();

 		mappings = tomcatConfiguration.getMimeMappings();

 		// sort mappings
 		int size = mappings.size();
 		int[] map = new int[size];
 		for (int i = 0; i < size; i++)
 			map[i] = i;

 		for (int i = 0; i < size - 1; i++) {
 			for (int j = i + 1; j < size; j++) {
 				MimeMapping mappingA = (MimeMapping) mappings.get(map[i]);
 				MimeMapping mappingB = (MimeMapping) mappings.get(map[j]);
 				if (mappingA.getMimeType().compareTo(mappingB.getMimeType()) > 0 ||
 						((mappingA.getMimeType().equals(mappingB.getMimeType())) &&
 								mappingA.getExtension().compareTo(mappingB.getExtension()) > 0)) {
 					int temp = map[i];
 					map[i] = map[j];
 					map[j] = temp;
 				}
 			}
 		}

 		// display them
 		Map hash = new HashMap();

 		for (int i = 0; i < size; i++) {
 			MimeMapping mapping = (MimeMapping) mappings.get(map[i]);
 			// get parent node
 			TreeItem parent = (TreeItem) hash.get(mapping.getMimeType());
 			if (parent == null) {
 				parent = new TreeItem(mimeTypes, SWT.NONE);
 				parent.setText(mapping.getMimeType());
 				parent.setImage(TomcatUIPlugin.getImage(TomcatUIPlugin.IMG_MIME_MAPPING));
 				hash.put(mapping.getMimeType(), parent);
 			}

 			// add node
 			TreeItem item = new TreeItem(parent, SWT.NONE);
 			item.setText(mapping.getExtension());
 			item.setImage(TomcatUIPlugin.getImage(TomcatUIPlugin.IMG_MIME_EXTENSION));
 			item.setData(new Integer(map[i]));
 		}

 		if (readOnly) {
 			add.setEnabled(false);
 			edit.setEnabled(false);
 			remove.setEnabled(false);
 		} else {
 			add.setEnabled(true);
 			selectMimeMapping();
 		}
 	}

 	/**
 	 * Add a mime mapping.
 	 *
 	 * @param index2
 	 * @param map
 	 */
 	protected void addMimeMapping(int index2, MimeMapping map) {
 		mappings.add(index2, map);

 		// correct all index numbers
 		int size = mimeTypes.getItemCount();
 		TreeItem[] parents = mimeTypes.getItems();
 		for (int i = 0; i < size; i++) {
 			TreeItem parent = parents[i];

 			int size2 = parent.getItemCount();
 			TreeItem[] children = parent.getItems();
 			for (int j = 0; j < size2; j++) {
 				Integer in = (Integer) children[j].getData();
 				if (in.intValue() >= index2)
 					children[j].setData(new Integer(in.intValue() + 1));
 			}
 		}

 		// check if there is a parent. If so, just add a new child
 		for (int i = 0; i < size; i++) {
 			TreeItem parent = parents[i];
 			if (parent.getText().equals(map.getMimeType())) {
 				TreeItem item = new TreeItem(parent, SWT.NONE);
 				item.setText(map.getExtension());
 				item.setImage(TomcatUIPlugin.getImage(TomcatUIPlugin.IMG_MIME_EXTENSION));
 				item.setData(new Integer(index2));
 				mimeTypes.showItem(item);
 				return;
 			}
 		}

 		// if not, add a new parent and child to the end
 		TreeItem parent = new TreeItem(mimeTypes, SWT.NONE);
 		parent.setText(map.getMimeType());
 		parent.setImage(TomcatUIPlugin.getImage(TomcatUIPlugin.IMG_MIME_MAPPING));

 		TreeItem item = new TreeItem(parent, SWT.NONE);
 		item.setText(map.getExtension());
 		item.setImage(TomcatUIPlugin.getImage(TomcatUIPlugin.IMG_MIME_EXTENSION));
 		item.setData(new Integer(index2));
 		mimeTypes.showItem(item);
 	}

 	/**
 	 *
 	 * @param index2
 	 * @param map
 	 */
 	protected void modifyMimeMapping(int index2, MimeMapping map) {
 		MimeMapping oldMap = (MimeMapping) mappings.get(index2);
 		mappings.set(index2, map);

 		int size = mimeTypes.getItemCount();
 		TreeItem[] parents = mimeTypes.getItems();

 		if (oldMap.getMimeType().equals(map.getMimeType())) {
 			for (int i = 0; i < size; i++) {
 				TreeItem parent = parents[i];

 				if (parent.getText().equals(map.getMimeType())) {
 					int size2 = parent.getItemCount();
 					TreeItem[] children = parent.getItems();
 					for (int j = 0; j < size2; j++) {
 						Integer in = (Integer) children[j].getData();
 						if (in.intValue() == index2) {
 							children[j].setText(map.getExtension());
 							children[j].setData(new Integer(index2));
 							mimeTypes.showItem(children[j]);
 							return;
 						}
 					}
 				}
 			}
 			return;
 		}

 		// otherwise, let's try a remove and an add
 		removeMimeMapping(index2);
 		addMimeMapping(index2, map);
 	}

 	/**
 	 * Remove the mime mapping at the given index.
 	 *
 	 * @param index2
 	 */
 	protected void removeMimeMapping(int index2) {
 		mappings.remove(index2);

 		// remove item
 		int size = mimeTypes.getItemCount();
 		TreeItem[] parents = mimeTypes.getItems();
 		for (int i = 0; i < size; i++) {
 			TreeItem parent = parents[i];

 			int size2 = parent.getItemCount();
 			TreeItem[] children = parent.getItems();
 			for (int j = 0; j < size2; j++) {
 				Integer in = (Integer) children[j].getData();
 				if (in.intValue() == index2) {
 					children[j].dispose();
 					if (size2 == 1)
 						parent.dispose();
 					i += size;
 					j += size2;
 				}
 			}
 		}

 		// correct all index numbers
 		size = mimeTypes.getItemCount();
 		parents = mimeTypes.getItems();
 		for (int i = 0; i < size; i++) {
 			TreeItem parent = parents[i];

 			int size2 = parent.getItemCount();
 			TreeItem[] children = parent.getItems();
 			for (int j = 0; j < size2; j++) {
 				Integer in = (Integer) children[j].getData();
 				if (in.intValue() > index2)
 					children[j].setData(new Integer(in.intValue() - 1));
 			}
 		}
 	}

 	/**
 	 *
 	 */
 	protected void selectMimeMapping() {
 		if (readOnly)
 			return;

 		try {
 			TreeItem item = mimeTypes.getSelection()[0];
 			Integer in = (Integer) item.getData();
 			if (in == null) {
 				index = -1;
 				remove.setEnabled(false);
 				edit.setEnabled(false);
 				return;
 			}
 			index = in.intValue();

 			remove.setEnabled(true);
 			edit.setEnabled(true);
 		} catch (Exception e) {
 			index = -1;
 			remove.setEnabled(false);
 			edit.setEnabled(false);
 		}
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2003, 2006 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
	*******************************************************************************/
	package org.eclipse.jst.server.tomcat.ui.internal.editor;

	import java.beans.*;
	import java.util.HashMap;
	import java.util.List;
	import java.util.Map;

	import org.eclipse.wst.server.ui.editor.*;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.*;
	import org.eclipse.swt.layout.*;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Tree;
	import org.eclipse.swt.widgets.TreeItem;
	import org.eclipse.jface.dialogs.IDialogConstants;
	import org.eclipse.jst.server.tomcat.core.internal.MimeMapping;
	import org.eclipse.jst.server.tomcat.core.internal.TomcatConfiguration;
	import org.eclipse.jst.server.tomcat.core.internal.TomcatServer;
	import org.eclipse.jst.server.tomcat.core.internal.command.*;
	import org.eclipse.jst.server.tomcat.ui.internal.ContextIds;
	import org.eclipse.jst.server.tomcat.ui.internal.Messages;
	import org.eclipse.jst.server.tomcat.ui.internal.TomcatUIPlugin;
	import org.eclipse.ui.*;
	import org.eclipse.ui.forms.widgets.ExpandableComposite;
	import org.eclipse.ui.forms.widgets.FormToolkit;
	import org.eclipse.ui.forms.widgets.Section;
	import org.eclipse.ui.help.IWorkbenchHelpSystem;
	/**
	* Tomcat configuration mime editor section.
	*/
	public class ConfigurationMimeEditorSection extends ServerEditorSection {
	protected TomcatConfiguration tomcatConfiguration;

	protected boolean updating;

	protected PropertyChangeListener listener;

	protected Tree mimeTypes;
	protected int index = -1;
	protected List mappings;
	protected Button add;
	protected Button remove;
	protected Button edit;

	/**
	* ConfigurationMimeEditorSection constructor comment.
	*/
	public ConfigurationMimeEditorSection() {
	super();
	}

	/**
	*
	*/
	protected void addChangeListener() {
	listener = new PropertyChangeListener() {
	public void propertyChange(PropertyChangeEvent event) {
	if (TomcatConfiguration.ADD_MAPPING_PROPERTY.equals(event.getPropertyName())) {
	Integer in = (Integer) event.getOldValue();
	MimeMapping mapping = (MimeMapping) event.getNewValue();
	addMimeMapping(in.intValue(), mapping);
	} else if (TomcatConfiguration.REMOVE_MAPPING_PROPERTY.equals(event.getPropertyName())) {
	Integer in = (Integer) event.getNewValue();
	removeMimeMapping(in.intValue());
	} else if (TomcatConfiguration.MODIFY_MAPPING_PROPERTY.equals(event.getPropertyName())) {
	Integer in = (Integer) event.getOldValue();
	MimeMapping mapping = (MimeMapping) event.getNewValue();
	modifyMimeMapping(in.intValue(), mapping);
	}
	}
	};
	tomcatConfiguration.addPropertyChangeListener(listener);
	}

	public void createSection(Composite parent) {
	super.createSection(parent);

	FormToolkit toolkit = getFormToolkit(parent.getDisplay());

	Section section = toolkit.createSection(parent, ExpandableComposite.TWISTIE \| ExpandableComposite.TITLE_BAR
	\| Section.DESCRIPTION \| ExpandableComposite.FOCUS_TITLE);
	section.setText(Messages.configurationEditorMimeMappingsSection);
	section.setDescription(Messages.configurationEditorMimeMappingsDescription);
	section.setLayoutData(new GridData(GridData.FILL_HORIZONTAL \| GridData.VERTICAL_ALIGN_FILL));

	Composite composite = toolkit.createComposite(section);
	GridLayout layout = new GridLayout();
	layout.numColumns = 2;
	layout.marginHeight = 5;
	layout.marginWidth = 10;
	layout.verticalSpacing = 5;
	layout.horizontalSpacing = 15;
	composite.setLayout(layout);
	GridData data = new GridData(GridData.FILL_BOTH);
	composite.setLayoutData(data);
	IWorkbenchHelpSystem whs = PlatformUI.getWorkbench().getHelpSystem();
	whs.setHelp(composite, ContextIds.CONFIGURATION_EDITOR_MAPPINGS);
	toolkit.paintBordersFor(composite);
	section.setClient(composite);

	mimeTypes = toolkit.createTree(composite, SWT.V_SCROLL \| SWT.SINGLE \| SWT.H_SCROLL);
	data = new GridData(GridData.FILL_HORIZONTAL \| GridData.VERTICAL_ALIGN_FILL);
	data.heightHint = 200;
	mimeTypes.setLayoutData(data);
	whs.setHelp(mimeTypes, ContextIds.CONFIGURATION_EDITOR_MAPPINGS_LIST);

	// add listener to the table
	mimeTypes.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	selectMimeMapping();
	}
	});

	Composite buttonComp = toolkit.createComposite(composite);
	layout = new GridLayout();
	layout.marginHeight = 0;
	layout.marginWidth = 0;
	buttonComp.setLayout(layout);
	buttonComp.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_BEGINNING \| GridData.HORIZONTAL_ALIGN_FILL));

	add = toolkit.createButton(buttonComp, Messages.editorAdd, SWT.PUSH);
	add.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

	add.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	MimeMappingDialog dialog = new MimeMappingDialog(getShell());
	dialog.open();
	if (dialog.getReturnCode() == IDialogConstants.OK_ID) {
	execute(new AddMimeMappingCommand(tomcatConfiguration, dialog.getMimeMapping()));
	}
	}
	});
	whs.setHelp(add, ContextIds.CONFIGURATION_EDITOR_MAPPINGS_ADD);

	edit = toolkit.createButton(buttonComp, Messages.editorEdit, SWT.PUSH);
	edit.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
	edit.setEnabled(false);

	edit.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	if (index < 0)
	return;
	MimeMappingDialog dialog = new MimeMappingDialog(getShell(), (MimeMapping) tomcatConfiguration.getMimeMappings().get(index));
	dialog.open();
	if (dialog.getReturnCode() == IDialogConstants.OK_ID) {
	execute(new ModifyMimeMappingCommand(tomcatConfiguration, index, dialog.getMimeMapping()));
	}
	}
	});
	whs.setHelp(edit, ContextIds.CONFIGURATION_EDITOR_MAPPINGS_EDIT);

	remove = toolkit.createButton(buttonComp, Messages.editorRemove, SWT.PUSH);
	remove.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
	remove.setEnabled(false);

	remove.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	if (index < 0)
	return;
	execute(new RemoveMimeMappingCommand(tomcatConfiguration, index));
	index = -1;
	edit.setEnabled(false);
	remove.setEnabled(false);
	}
	});
	whs.setHelp(remove, ContextIds.CONFIGURATION_EDITOR_MAPPINGS_REMOVE);

	initialize();
	}

	public void dispose() {
	if (tomcatConfiguration != null)
	tomcatConfiguration.removePropertyChangeListener(listener);
	}

	public void init(IEditorSite site, IEditorInput input) {
	super.init(site, input);

	TomcatServer ts = (TomcatServer) server.getAdapter(TomcatServer.class);
	try {
	tomcatConfiguration = ts.getTomcatConfiguration();
	} catch (Exception e) {
	// ignore
	}
	addChangeListener();
	initialize();
	}

	/**
	* Initialize the fields in this editor.
	*/
	protected void initialize() {
	if (mimeTypes == null)
	return;

	mimeTypes.removeAll();

	mappings = tomcatConfiguration.getMimeMappings();

	// sort mappings
	int size = mappings.size();
	int[] map = new int[size];
	for (int i = 0; i < size; i++)
	map[i] = i;

	for (int i = 0; i < size - 1; i++) {
	for (int j = i + 1; j < size; j++) {
	MimeMapping mappingA = (MimeMapping) mappings.get(map[i]);
	MimeMapping mappingB = (MimeMapping) mappings.get(map[j]);
	if (mappingA.getMimeType().compareTo(mappingB.getMimeType()) > 0 \|\|
	((mappingA.getMimeType().equals(mappingB.getMimeType())) &&
	mappingA.getExtension().compareTo(mappingB.getExtension()) > 0)) {
	int temp = map[i];
	map[i] = map[j];
	map[j] = temp;
	}
	}
	}

	// display them
	Map hash = new HashMap();

	for (int i = 0; i < size; i++) {
	MimeMapping mapping = (MimeMapping) mappings.get(map[i]);
	// get parent node
	TreeItem parent = (TreeItem) hash.get(mapping.getMimeType());
	if (parent == null) {
	parent = new TreeItem(mimeTypes, SWT.NONE);
	parent.setText(mapping.getMimeType());
	parent.setImage(TomcatUIPlugin.getImage(TomcatUIPlugin.IMG_MIME_MAPPING));
	hash.put(mapping.getMimeType(), parent);
	}

	// add node
	TreeItem item = new TreeItem(parent, SWT.NONE);
	item.setText(mapping.getExtension());
	item.setImage(TomcatUIPlugin.getImage(TomcatUIPlugin.IMG_MIME_EXTENSION));
	item.setData(new Integer(map[i]));
	}

	if (readOnly) {
	add.setEnabled(false);
	edit.setEnabled(false);
	remove.setEnabled(false);
	} else {
	add.setEnabled(true);
	selectMimeMapping();
	}
	}

	/**
	* Add a mime mapping.
	*
	* @param index2
	* @param map
	*/
	protected void addMimeMapping(int index2, MimeMapping map) {
	mappings.add(index2, map);

	// correct all index numbers
	int size = mimeTypes.getItemCount();
	TreeItem[] parents = mimeTypes.getItems();
	for (int i = 0; i < size; i++) {
	TreeItem parent = parents[i];

	int size2 = parent.getItemCount();
	TreeItem[] children = parent.getItems();
	for (int j = 0; j < size2; j++) {
	Integer in = (Integer) children[j].getData();
	if (in.intValue() >= index2)
	children[j].setData(new Integer(in.intValue() + 1));
	}
	}

	// check if there is a parent. If so, just add a new child
	for (int i = 0; i < size; i++) {
	TreeItem parent = parents[i];
	if (parent.getText().equals(map.getMimeType())) {
	TreeItem item = new TreeItem(parent, SWT.NONE);
	item.setText(map.getExtension());
	item.setImage(TomcatUIPlugin.getImage(TomcatUIPlugin.IMG_MIME_EXTENSION));
	item.setData(new Integer(index2));
	mimeTypes.showItem(item);
	return;
	}
	}

	// if not, add a new parent and child to the end
	TreeItem parent = new TreeItem(mimeTypes, SWT.NONE);
	parent.setText(map.getMimeType());
	parent.setImage(TomcatUIPlugin.getImage(TomcatUIPlugin.IMG_MIME_MAPPING));

	TreeItem item = new TreeItem(parent, SWT.NONE);
	item.setText(map.getExtension());
	item.setImage(TomcatUIPlugin.getImage(TomcatUIPlugin.IMG_MIME_EXTENSION));
	item.setData(new Integer(index2));
	mimeTypes.showItem(item);
	}

	/**
	*
	* @param index2
	* @param map
	*/
	protected void modifyMimeMapping(int index2, MimeMapping map) {
	MimeMapping oldMap = (MimeMapping) mappings.get(index2);
	mappings.set(index2, map);

	int size = mimeTypes.getItemCount();
	TreeItem[] parents = mimeTypes.getItems();

	if (oldMap.getMimeType().equals(map.getMimeType())) {
	for (int i = 0; i < size; i++) {
	TreeItem parent = parents[i];

	if (parent.getText().equals(map.getMimeType())) {
	int size2 = parent.getItemCount();
	TreeItem[] children = parent.getItems();
	for (int j = 0; j < size2; j++) {
	Integer in = (Integer) children[j].getData();
	if (in.intValue() == index2) {
	children[j].setText(map.getExtension());
	children[j].setData(new Integer(index2));
	mimeTypes.showItem(children[j]);
	return;
	}
	}
	}
	}
	return;
	}

	// otherwise, let's try a remove and an add
	removeMimeMapping(index2);
	addMimeMapping(index2, map);
	}

	/**
	* Remove the mime mapping at the given index.
	*
	* @param index2
	*/
	protected void removeMimeMapping(int index2) {
	mappings.remove(index2);

	// remove item
	int size = mimeTypes.getItemCount();
	TreeItem[] parents = mimeTypes.getItems();
	for (int i = 0; i < size; i++) {
	TreeItem parent = parents[i];

	int size2 = parent.getItemCount();
	TreeItem[] children = parent.getItems();
	for (int j = 0; j < size2; j++) {
	Integer in = (Integer) children[j].getData();
	if (in.intValue() == index2) {
	children[j].dispose();
	if (size2 == 1)
	parent.dispose();
	i += size;
	j += size2;
	}
	}
	}

	// correct all index numbers
	size = mimeTypes.getItemCount();
	parents = mimeTypes.getItems();
	for (int i = 0; i < size; i++) {
	TreeItem parent = parents[i];

	int size2 = parent.getItemCount();
	TreeItem[] children = parent.getItems();
	for (int j = 0; j < size2; j++) {
	Integer in = (Integer) children[j].getData();
	if (in.intValue() > index2)
	children[j].setData(new Integer(in.intValue() - 1));
	}
	}
	}

	/**
	*
	*/
	protected void selectMimeMapping() {
	if (readOnly)
	return;

	try {
	TreeItem item = mimeTypes.getSelection()[0];
	Integer in = (Integer) item.getData();
	if (in == null) {
	index = -1;
	remove.setEnabled(false);
	edit.setEnabled(false);
	return;
	}
	index = in.intValue();

	remove.setEnabled(true);
	edit.setEnabled(true);
	} catch (Exception e) {
	index = -1;
	remove.setEnabled(false);
	edit.setEnabled(false);
	}
	}
	}