bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/ResourceInfoPage.java - platform/eclipse.platform.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2005 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.ui.internal.ide.dialogs;

 import java.net.URI;

 import org.eclipse.core.filesystem.EFS;
 import org.eclipse.core.filesystem.IFileSystem;
 import org.eclipse.core.resources.IContainer;
 import org.eclipse.core.resources.IFile;
 import org.eclipse.core.resources.IResource;
 import org.eclipse.core.resources.ResourceAttributes;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.content.IContentDescription;
 import org.eclipse.jface.dialogs.ErrorDialog;
 import org.eclipse.jface.preference.FieldEditor;
 import org.eclipse.jface.util.IPropertyChangeListener;
 import org.eclipse.jface.util.PropertyChangeEvent;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.graphics.Font;
 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.Label;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.dialogs.PropertyPage;
 import org.eclipse.ui.ide.dialogs.ResourceEncodingFieldEditor;
 import org.eclipse.ui.internal.ide.IDEWorkbenchMessages;
 import org.eclipse.ui.internal.ide.IIDEHelpContextIds;
 import org.eclipse.ui.internal.ide.LineDelimiterEditor;

 /**
  * The ResourceInfoPage is the page that shows the basic
  * info about the resource.
  */
 public class ResourceInfoPage extends PropertyPage {

 	private Button editableBox;

 	private Button executableBox;

 	private Button archiveBox;

 	private Button derivedBox;

 	private boolean previousReadOnlyValue;

 	private boolean previousExecutableValue;

 	private boolean previousArchiveValue;

 	private boolean previousDerivedValue;

 	private IContentDescription cachedContentDescription;

 	private ResourceEncodingFieldEditor encodingEditor;

 	private LineDelimiterEditor lineDelimiterEditor;

 	private static String READ_ONLY = IDEWorkbenchMessages.ResourceInfo_readOnly;

 	private static String EXECUTABLE = IDEWorkbenchMessages.ResourceInfo_executable;

 	private static String ARCHIVE = IDEWorkbenchMessages.ResourceInfo_archive;

 	private static String DERIVED = IDEWorkbenchMessages.ResourceInfo_derived;

 	private static String TYPE_TITLE = IDEWorkbenchMessages.ResourceInfo_type;

 	private static String LOCATION_TITLE = IDEWorkbenchMessages.ResourceInfo_location;

 	private static String RESOLVED_LOCATION_TITLE = IDEWorkbenchMessages.ResourceInfo_resolvedLocation;

 	private static String SIZE_TITLE = IDEWorkbenchMessages.ResourceInfo_size;

 	private static String PATH_TITLE = IDEWorkbenchMessages.ResourceInfo_path;

 	private static String TIMESTAMP_TITLE = IDEWorkbenchMessages.ResourceInfo_lastModified;

 	private static String FILE_ENCODING_TITLE = IDEWorkbenchMessages.WorkbenchPreference_encoding;

 	private static String CONTAINER_ENCODING_TITLE = IDEWorkbenchMessages.ResourceInfo_fileEncodingTitle;

 	// Max value width in characters before wrapping
 	private static final int MAX_VALUE_WIDTH = 80;

 	/**
 	 * Create the group that shows the name, location, size and type.
 	 *
 	 * @param parent
 	 *            the composite the group will be created in
 	 * @param resource
 	 *            the resource the information is being taken from.
 	 * @return the composite for the group
 	 */
 	private Composite createBasicInfoGroup(Composite parent, IResource resource) {

 		Font font = parent.getFont();

 		Composite basicInfoComposite = new Composite(parent, SWT.NULL);
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 2;
 		layout.marginWidth = 0;
 		layout.marginHeight = 0;
 		basicInfoComposite.setLayout(layout);
 		GridData data = new GridData();
 		data.verticalAlignment = GridData.FILL;
 		data.horizontalAlignment = GridData.FILL;
 		basicInfoComposite.setLayoutData(data);
 		basicInfoComposite.setFont(font);

 		// The group for path
 		Label pathLabel = new Label(basicInfoComposite, SWT.NONE);
 		pathLabel.setText(PATH_TITLE);
 		GridData gd = new GridData();
 		gd.verticalAlignment = SWT.TOP;
 		pathLabel.setLayoutData(gd);
 		pathLabel.setFont(font);

 		// path value label
 		Text pathValueText = new Text(basicInfoComposite, SWT.WRAP
 				| SWT.READ_ONLY);
 		pathValueText.setText(resource.getFullPath().toString());
 		gd = new GridData();
 		gd.widthHint = convertWidthInCharsToPixels(MAX_VALUE_WIDTH);
 		gd.grabExcessHorizontalSpace = true;
 		gd.horizontalAlignment = GridData.FILL;
 		pathValueText.setLayoutData(gd);
 		pathValueText.setFont(font);
 		pathValueText.setBackground(pathValueText.getDisplay().getSystemColor(
 				SWT.COLOR_WIDGET_BACKGROUND));

 		// The group for types
 		Label typeTitle = new Label(basicInfoComposite, SWT.LEFT);
 		typeTitle.setText(TYPE_TITLE);
 		typeTitle.setFont(font);

 		Text typeValue = new Text(basicInfoComposite, SWT.LEFT | SWT.READ_ONLY);
 		typeValue.setText(IDEResourceInfoUtils.getTypeString(resource, getContentDescription(resource)));
 		typeValue.setBackground(typeValue.getDisplay().getSystemColor(
 				SWT.COLOR_WIDGET_BACKGROUND));
 		typeValue.setFont(font);

 		// The group for location
 		Label locationTitle = new Label(basicInfoComposite, SWT.LEFT);
 		locationTitle.setText(LOCATION_TITLE);
 		gd = new GridData();
 		gd.verticalAlignment = SWT.TOP;
 		locationTitle.setLayoutData(gd);
 		locationTitle.setFont(font);

 		Text locationValue = new Text(basicInfoComposite, SWT.WRAP
 				| SWT.READ_ONLY);
 		locationValue.setText(IDEResourceInfoUtils.getLocationText(resource));
 		gd = new GridData();
 		gd.widthHint = convertWidthInCharsToPixels(MAX_VALUE_WIDTH);
 		gd.grabExcessHorizontalSpace = true;
 		gd.horizontalAlignment = GridData.FILL;
 		locationValue.setLayoutData(gd);
 		locationValue.setFont(font);
 		locationValue.setBackground(locationValue.getDisplay().getSystemColor(
 				SWT.COLOR_WIDGET_BACKGROUND));

 		if (isPathVariable(resource)) {
 			Label resolvedLocationTitle = new Label(basicInfoComposite,
 					SWT.LEFT);
 			resolvedLocationTitle.setText(RESOLVED_LOCATION_TITLE);
 			gd = new GridData();
 			gd.verticalAlignment = SWT.TOP;
 			resolvedLocationTitle.setLayoutData(gd);
 			resolvedLocationTitle.setFont(font);

 			Text resolvedLocationValue = new Text(basicInfoComposite, SWT.WRAP
 					| SWT.READ_ONLY);
 			resolvedLocationValue.setText(IDEResourceInfoUtils.getResolvedLocationText(resource));
 			gd = new GridData();
 			gd.widthHint = convertWidthInCharsToPixels(MAX_VALUE_WIDTH);
 			gd.grabExcessHorizontalSpace = true;
 			gd.horizontalAlignment = GridData.FILL;
 			resolvedLocationValue.setLayoutData(gd);
 			resolvedLocationValue.setFont(font);
 			resolvedLocationValue.setBackground(resolvedLocationValue
 					.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
 		}
 		if (resource.getType() == IResource.FILE) {
 			// The group for size
 			Label sizeTitle = new Label(basicInfoComposite, SWT.LEFT);
 			sizeTitle.setText(SIZE_TITLE);
 			sizeTitle.setFont(font);

 			Text sizeValue = new Text(basicInfoComposite, SWT.LEFT
 					| SWT.READ_ONLY);
 			sizeValue.setText(IDEResourceInfoUtils.getSizeString(resource));
 			gd = new GridData();
 			gd.widthHint = convertWidthInCharsToPixels(MAX_VALUE_WIDTH);
 			gd.grabExcessHorizontalSpace = true;
 			gd.horizontalAlignment = GridData.FILL;
 			sizeValue.setLayoutData(gd);
 			sizeValue.setFont(font);
 			sizeValue.setBackground(sizeValue.getDisplay().getSystemColor(
 					SWT.COLOR_WIDGET_BACKGROUND));
 		}

 		return basicInfoComposite;
 	}

 	protected Control createContents(Composite parent) {

 		PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(),
 				IIDEHelpContextIds.RESOURCE_INFO_PROPERTY_PAGE);

 		// layout the page
 		IResource resource = (IResource) getElement();
 		if (resource.getType() != IResource.PROJECT) {
 			ResourceAttributes attrs = resource.getResourceAttributes();
 			if (attrs != null) {
 				previousReadOnlyValue = attrs.isReadOnly();
 				previousExecutableValue = attrs.isExecutable();
 				previousArchiveValue = attrs.isArchive();
 			} else {
 				previousReadOnlyValue = previousExecutableValue = previousArchiveValue = false;
 			}
 			previousDerivedValue = resource.isDerived();
 		}

 		// top level group
 		Composite composite = new Composite(parent, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.marginWidth = 0;
 		layout.marginHeight = 0;
 		composite.setLayout(layout);
 		GridData data = new GridData(GridData.FILL);
 		data.grabExcessHorizontalSpace = true;
 		composite.setLayoutData(data);
 		composite.setFont(parent.getFont());

 		createBasicInfoGroup(composite, resource);
 		createSeparator(composite);
 		createStateGroup(composite, resource);
 		new Label(composite, SWT.NONE); // a vertical spacer
 		encodingEditor = new ResourceEncodingFieldEditor(
 				getFieldEditorLabel(resource), composite, resource);
 		encodingEditor.setPage(this);
 		encodingEditor.load();

 		encodingEditor.setPropertyChangeListener(new IPropertyChangeListener() {
 			/*
 			 * (non-Javadoc)
 			 *
 			 * @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent)
 			 */
 			public void propertyChange(PropertyChangeEvent event) {
 				if (event.getProperty().equals(FieldEditor.IS_VALID))
 					setValid(encodingEditor.isValid());

 			}
 		});

 		if (resource.getType() == IResource.PROJECT) {
 			lineDelimiterEditor = new LineDelimiterEditor(composite, resource.getProject());
 			lineDelimiterEditor.doLoad();
 		}

 		return composite;
 	}

 	/**
 	 * Return the label for the encoding field editor for the resource.
 	 *
 	 * @param resource -
 	 *            the resource to edit.
 	 * @return String
 	 */
 	private String getFieldEditorLabel(IResource resource) {
 		if (resource instanceof IContainer)
 			return CONTAINER_ENCODING_TITLE;
 		return FILE_ENCODING_TITLE;
 	}

 	/**
 	 * Create the isEditable button and it's associated label as a child of
 	 * parent using the editableValue of the receiver. The Composite will be the
 	 * parent of the button.
 	 *
 	 * @param composite
 	 *            the parent of the button
 	 */
 	private void createEditableButton(Composite composite) {

 		this.editableBox = new Button(composite, SWT.CHECK | SWT.RIGHT);
 		this.editableBox.setAlignment(SWT.LEFT);
 		this.editableBox.setText(READ_ONLY);
 		this.editableBox.setSelection(this.previousReadOnlyValue);
 		this.editableBox.setFont(composite.getFont());
 		GridData data = new GridData();
 		data.horizontalSpan = 2;
 		this.editableBox.setLayoutData(data);
 	}

 	/**
 	 * Create the isExecutable button and it's associated label as a child of
 	 * parent using the editableValue of the receiver. The Composite will be the
 	 * parent of the button.
 	 *
 	 * @param composite
 	 *            the parent of the button
 	 */
 	private void createExecutableButton(Composite composite) {

 		this.executableBox = new Button(composite, SWT.CHECK | SWT.RIGHT);
 		this.executableBox.setAlignment(SWT.LEFT);
 		this.executableBox.setText(EXECUTABLE);
 		this.executableBox.setSelection(this.previousExecutableValue);
 		this.executableBox.setFont(composite.getFont());
 		GridData data = new GridData();
 		data.horizontalSpan = 2;
 		this.executableBox.setLayoutData(data);
 	}

 	/**
 	 * Create the isArchive button and it's associated label as a child of
 	 * parent using the editableValue of the receiver. The Composite will be the
 	 * parent of the button.
 	 *
 	 * @param composite
 	 *            the parent of the button
 	 */
 	private void createArchiveButton(Composite composite) {

 		this.archiveBox = new Button(composite, SWT.CHECK | SWT.RIGHT);
 		this.archiveBox.setAlignment(SWT.LEFT);
 		this.archiveBox.setText(ARCHIVE);
 		this.archiveBox.setSelection(this.previousArchiveValue);
 		this.archiveBox.setFont(composite.getFont());
 		GridData data = new GridData();
 		data.horizontalSpan = 2;
 		this.archiveBox.setLayoutData(data);
 	}

 	/**
 	 * Create the derived button and it's associated label as a child of parent
 	 * using the derived of the receiver. The Composite will be the parent of
 	 * the button.
 	 *
 	 * @param composite
 	 *            the parent of the button
 	 */
 	private void createDerivedButton(Composite composite) {

 		this.derivedBox = new Button(composite, SWT.CHECK | SWT.RIGHT);
 		this.derivedBox.setAlignment(SWT.LEFT);
 		this.derivedBox.setText(DERIVED);
 		this.derivedBox.setSelection(this.previousDerivedValue);
 		this.derivedBox.setFont(composite.getFont());
 		GridData data = new GridData();
 		data.horizontalSpan = 2;
 		this.derivedBox.setLayoutData(data);
 	}

 	/**
 	 * Create a separator that goes across the entire page
 	 *
 	 * @param composite
 	 *            The parent of the seperator
 	 */
 	private void createSeparator(Composite composite) {

 		Label separator = new Label(composite, SWT.SEPARATOR | SWT.HORIZONTAL);
 		GridData gridData = new GridData();
 		gridData.horizontalAlignment = GridData.FILL;
 		gridData.grabExcessHorizontalSpace = true;
 		separator.setLayoutData(gridData);
 	}

 	/**
 	 * Create the group that shows the read only state and the timestamp.
 	 *
 	 * @param parent
 	 *            the composite the group will be created in
 	 * @param resource
 	 *            the resource the information is being taken from.
 	 */
 	private void createStateGroup(Composite parent, IResource resource) {

 		Font font = parent.getFont();

 		Composite composite = new Composite(parent, SWT.NULL);
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 2;
 		layout.marginWidth = 0;
 		layout.marginHeight = 0;
 		composite.setLayout(layout);
 		GridData data = new GridData();
 		data.horizontalAlignment = GridData.FILL;
 		composite.setLayoutData(data);
 		composite.setFont(font);

 		Label timeStampLabel = new Label(composite, SWT.NONE);
 		timeStampLabel.setText(TIMESTAMP_TITLE);
 		timeStampLabel.setFont(font);

 		// timeStamp value label
 		Text timeStampValue = new Text(composite, SWT.READ_ONLY);
 		timeStampValue.setText(IDEResourceInfoUtils.getDateStringValue(resource));
 		timeStampValue.setFont(font);
 		timeStampValue.setBackground(timeStampValue.getDisplay()
 				.getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
 		timeStampValue.setLayoutData(new GridData(GridData.FILL_HORIZONTAL
 				| GridData.GRAB_HORIZONTAL));

 		// Not relevant to projects
 		if (resource.getType() != IResource.PROJECT) {
 			URI location = resource.getLocationURI();
 			if (location != null) {
 				try {
 					IFileSystem fs = EFS.getFileSystem(location.getScheme());
 					int attributes = fs.attributes();
 					if ((attributes & EFS.ATTRIBUTE_READ_ONLY) != 0)
 						createEditableButton(composite);
 					if ((attributes & EFS.ATTRIBUTE_EXECUTABLE) != 0)
 						createExecutableButton(composite);
 					if ((attributes & EFS.ATTRIBUTE_ARCHIVE) != 0)
 						createArchiveButton(composite);
 				} catch (CoreException e) {
 					//ignore if we can't access the file system for this resource
 				}
 			}
 			createDerivedButton(composite);
 			//create warning for executable flag
 			if (executableBox != null && resource.getType() == IResource.FOLDER) {
 		        Composite noteComposite = createNoteComposite(font, composite,
 		        		IDEWorkbenchMessages.Preference_note, IDEWorkbenchMessages.ResourceInfo_exWarning);
 		        GridData noteData = new GridData();
 		        noteData.horizontalSpan = 2;
 		        noteComposite.setLayoutData(noteData);
 			}
 		}
 	}

 	private IContentDescription getContentDescription(IResource resource) {
 		if (resource.getType() != IResource.FILE)
 			return null;

 		if (cachedContentDescription == null) {
 			try {
 				cachedContentDescription = ((IFile)resource).getContentDescription();
 			} catch (CoreException e) {
 				// silently ignore
 			}
 		}
 		return cachedContentDescription;
 	}

 	/**
 	 * Returns whether the given resource is a linked resource bound to a path
 	 * variable.
 	 *
 	 * @param resource
 	 *            resource to test
 	 * @return boolean <code>true</code> the given resource is a linked
 	 *         resource bound to a path variable. <code>false</code> the given
 	 *         resource is either not a linked resource or it is not using a
 	 *         path variable.
 	 */
 	private boolean isPathVariable(IResource resource) {
 		if (!resource.isLinked())
 			return false;

 		IPath resolvedLocation = resource.getLocation();
 		if (resolvedLocation == null) {
 			// missing path variable
 			return true;
 		}
 		IPath rawLocation = resource.getRawLocation();
 		if (resolvedLocation.equals(rawLocation))
 			return false;

 		return true;
 	}

 	/**
 	 * Reset the editableBox to the false.
 	 */
 	protected void performDefaults() {

 		// Nothing to update if we never made the box
 		if (this.editableBox != null)
 			this.editableBox.setSelection(false);

 		// Nothing to update if we never made the box
 		if (this.executableBox != null)
 			this.executableBox.setSelection(false);

 		// Nothing to update if we never made the box
 		if (this.derivedBox != null)
 			this.derivedBox.setSelection(false);

 		encodingEditor.loadDefault();

 		if (lineDelimiterEditor != null)
 			lineDelimiterEditor.loadDefault();

 	}

 	/**
 	 * Apply the read only state and the encoding to the resource.
 	 */
 	public boolean performOk() {

 		IResource resource = (IResource) getElement();

 		encodingEditor.store();

 		if (lineDelimiterEditor != null)
 			lineDelimiterEditor.store();

 		try {
 			ResourceAttributes attrs = resource.getResourceAttributes();
 			if (attrs != null) {
 				boolean hasChange = false;
 				// Nothing to update if we never made the box
 				if (editableBox != null
 						&& editableBox.getSelection() != previousReadOnlyValue) {
 					attrs.setReadOnly(editableBox.getSelection());
 					hasChange = true;
 				}
 				if (executableBox != null
 						&& executableBox.getSelection() != previousExecutableValue) {
 					attrs.setExecutable(executableBox.getSelection());
 					hasChange = true;
 				}
 				if (archiveBox != null
 						&& archiveBox.getSelection() != previousArchiveValue) {
 					attrs.setArchive(archiveBox.getSelection());
 					hasChange = true;
 				}
 				if (hasChange) {
 					resource.setResourceAttributes(attrs);
 					attrs = resource.getResourceAttributes();
 					if (attrs != null) {
 						previousReadOnlyValue = attrs.isReadOnly();
 						previousExecutableValue = attrs.isExecutable();
 						previousArchiveValue = attrs.isArchive();
 						if (editableBox != null)
 							editableBox.setSelection(attrs.isReadOnly());
 						if (executableBox != null)
 							executableBox.setSelection(attrs.isExecutable());
 						if (archiveBox != null)
 							archiveBox.setSelection(attrs.isArchive());
 					}
 				}
 			}

 			// Nothing to update if we never made the box
 			if (this.derivedBox != null) {
 				boolean localDerivedValue = derivedBox.getSelection();
 				if (previousDerivedValue != localDerivedValue) {
 					resource.setDerived(localDerivedValue);
 					boolean isDerived = resource.isDerived();
 					previousDerivedValue = isDerived;
 					derivedBox.setSelection(isDerived);
 				}
 			}
 		} catch (CoreException exception) {
 			ErrorDialog.openError(getShell(), IDEWorkbenchMessages.InternalError,
 					exception.getLocalizedMessage(), exception.getStatus());
 			return false;
 		}
 		return true;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2005 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.ui.internal.ide.dialogs;

	import java.net.URI;

	import org.eclipse.core.filesystem.EFS;
	import org.eclipse.core.filesystem.IFileSystem;
	import org.eclipse.core.resources.IContainer;
	import org.eclipse.core.resources.IFile;
	import org.eclipse.core.resources.IResource;
	import org.eclipse.core.resources.ResourceAttributes;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IPath;
	import org.eclipse.core.runtime.content.IContentDescription;
	import org.eclipse.jface.dialogs.ErrorDialog;
	import org.eclipse.jface.preference.FieldEditor;
	import org.eclipse.jface.util.IPropertyChangeListener;
	import org.eclipse.jface.util.PropertyChangeEvent;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.graphics.Font;
	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.Label;
	import org.eclipse.swt.widgets.Text;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.ui.dialogs.PropertyPage;
	import org.eclipse.ui.ide.dialogs.ResourceEncodingFieldEditor;
	import org.eclipse.ui.internal.ide.IDEWorkbenchMessages;
	import org.eclipse.ui.internal.ide.IIDEHelpContextIds;
	import org.eclipse.ui.internal.ide.LineDelimiterEditor;

	/**
	* The ResourceInfoPage is the page that shows the basic
	* info about the resource.
	*/
	public class ResourceInfoPage extends PropertyPage {

	private Button editableBox;

	private Button executableBox;

	private Button archiveBox;

	private Button derivedBox;

	private boolean previousReadOnlyValue;

	private boolean previousExecutableValue;

	private boolean previousArchiveValue;

	private boolean previousDerivedValue;

	private IContentDescription cachedContentDescription;

	private ResourceEncodingFieldEditor encodingEditor;

	private LineDelimiterEditor lineDelimiterEditor;

	private static String READ_ONLY = IDEWorkbenchMessages.ResourceInfo_readOnly;

	private static String EXECUTABLE = IDEWorkbenchMessages.ResourceInfo_executable;

	private static String ARCHIVE = IDEWorkbenchMessages.ResourceInfo_archive;

	private static String DERIVED = IDEWorkbenchMessages.ResourceInfo_derived;

	private static String TYPE_TITLE = IDEWorkbenchMessages.ResourceInfo_type;

	private static String LOCATION_TITLE = IDEWorkbenchMessages.ResourceInfo_location;

	private static String RESOLVED_LOCATION_TITLE = IDEWorkbenchMessages.ResourceInfo_resolvedLocation;

	private static String SIZE_TITLE = IDEWorkbenchMessages.ResourceInfo_size;

	private static String PATH_TITLE = IDEWorkbenchMessages.ResourceInfo_path;

	private static String TIMESTAMP_TITLE = IDEWorkbenchMessages.ResourceInfo_lastModified;

	private static String FILE_ENCODING_TITLE = IDEWorkbenchMessages.WorkbenchPreference_encoding;

	private static String CONTAINER_ENCODING_TITLE = IDEWorkbenchMessages.ResourceInfo_fileEncodingTitle;

	// Max value width in characters before wrapping
	private static final int MAX_VALUE_WIDTH = 80;

	/**
	* Create the group that shows the name, location, size and type.
	*
	* @param parent
	* the composite the group will be created in
	* @param resource
	* the resource the information is being taken from.
	* @return the composite for the group
	*/
	private Composite createBasicInfoGroup(Composite parent, IResource resource) {

	Font font = parent.getFont();

	Composite basicInfoComposite = new Composite(parent, SWT.NULL);
	GridLayout layout = new GridLayout();
	layout.numColumns = 2;
	layout.marginWidth = 0;
	layout.marginHeight = 0;
	basicInfoComposite.setLayout(layout);
	GridData data = new GridData();
	data.verticalAlignment = GridData.FILL;
	data.horizontalAlignment = GridData.FILL;
	basicInfoComposite.setLayoutData(data);
	basicInfoComposite.setFont(font);

	// The group for path
	Label pathLabel = new Label(basicInfoComposite, SWT.NONE);
	pathLabel.setText(PATH_TITLE);
	GridData gd = new GridData();
	gd.verticalAlignment = SWT.TOP;
	pathLabel.setLayoutData(gd);
	pathLabel.setFont(font);

	// path value label
	Text pathValueText = new Text(basicInfoComposite, SWT.WRAP
	\| SWT.READ_ONLY);
	pathValueText.setText(resource.getFullPath().toString());
	gd = new GridData();
	gd.widthHint = convertWidthInCharsToPixels(MAX_VALUE_WIDTH);
	gd.grabExcessHorizontalSpace = true;
	gd.horizontalAlignment = GridData.FILL;
	pathValueText.setLayoutData(gd);
	pathValueText.setFont(font);
	pathValueText.setBackground(pathValueText.getDisplay().getSystemColor(
	SWT.COLOR_WIDGET_BACKGROUND));

	// The group for types
	Label typeTitle = new Label(basicInfoComposite, SWT.LEFT);
	typeTitle.setText(TYPE_TITLE);
	typeTitle.setFont(font);

	Text typeValue = new Text(basicInfoComposite, SWT.LEFT \| SWT.READ_ONLY);
	typeValue.setText(IDEResourceInfoUtils.getTypeString(resource, getContentDescription(resource)));
	typeValue.setBackground(typeValue.getDisplay().getSystemColor(
	SWT.COLOR_WIDGET_BACKGROUND));
	typeValue.setFont(font);

	// The group for location
	Label locationTitle = new Label(basicInfoComposite, SWT.LEFT);
	locationTitle.setText(LOCATION_TITLE);
	gd = new GridData();
	gd.verticalAlignment = SWT.TOP;
	locationTitle.setLayoutData(gd);
	locationTitle.setFont(font);

	Text locationValue = new Text(basicInfoComposite, SWT.WRAP
	\| SWT.READ_ONLY);
	locationValue.setText(IDEResourceInfoUtils.getLocationText(resource));
	gd = new GridData();
	gd.widthHint = convertWidthInCharsToPixels(MAX_VALUE_WIDTH);
	gd.grabExcessHorizontalSpace = true;
	gd.horizontalAlignment = GridData.FILL;
	locationValue.setLayoutData(gd);
	locationValue.setFont(font);
	locationValue.setBackground(locationValue.getDisplay().getSystemColor(
	SWT.COLOR_WIDGET_BACKGROUND));

	if (isPathVariable(resource)) {
	Label resolvedLocationTitle = new Label(basicInfoComposite,
	SWT.LEFT);
	resolvedLocationTitle.setText(RESOLVED_LOCATION_TITLE);
	gd = new GridData();
	gd.verticalAlignment = SWT.TOP;
	resolvedLocationTitle.setLayoutData(gd);
	resolvedLocationTitle.setFont(font);

	Text resolvedLocationValue = new Text(basicInfoComposite, SWT.WRAP
	\| SWT.READ_ONLY);
	resolvedLocationValue.setText(IDEResourceInfoUtils.getResolvedLocationText(resource));
	gd = new GridData();
	gd.widthHint = convertWidthInCharsToPixels(MAX_VALUE_WIDTH);
	gd.grabExcessHorizontalSpace = true;
	gd.horizontalAlignment = GridData.FILL;
	resolvedLocationValue.setLayoutData(gd);
	resolvedLocationValue.setFont(font);
	resolvedLocationValue.setBackground(resolvedLocationValue
	.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
	}
	if (resource.getType() == IResource.FILE) {
	// The group for size
	Label sizeTitle = new Label(basicInfoComposite, SWT.LEFT);
	sizeTitle.setText(SIZE_TITLE);
	sizeTitle.setFont(font);

	Text sizeValue = new Text(basicInfoComposite, SWT.LEFT
	\| SWT.READ_ONLY);
	sizeValue.setText(IDEResourceInfoUtils.getSizeString(resource));
	gd = new GridData();
	gd.widthHint = convertWidthInCharsToPixels(MAX_VALUE_WIDTH);
	gd.grabExcessHorizontalSpace = true;
	gd.horizontalAlignment = GridData.FILL;
	sizeValue.setLayoutData(gd);
	sizeValue.setFont(font);
	sizeValue.setBackground(sizeValue.getDisplay().getSystemColor(
	SWT.COLOR_WIDGET_BACKGROUND));
	}

	return basicInfoComposite;
	}

	protected Control createContents(Composite parent) {

	PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(),
	IIDEHelpContextIds.RESOURCE_INFO_PROPERTY_PAGE);

	// layout the page
	IResource resource = (IResource) getElement();
	if (resource.getType() != IResource.PROJECT) {
	ResourceAttributes attrs = resource.getResourceAttributes();
	if (attrs != null) {
	previousReadOnlyValue = attrs.isReadOnly();
	previousExecutableValue = attrs.isExecutable();
	previousArchiveValue = attrs.isArchive();
	} else {
	previousReadOnlyValue = previousExecutableValue = previousArchiveValue = false;
	}
	previousDerivedValue = resource.isDerived();
	}

	// top level group
	Composite composite = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.marginWidth = 0;
	layout.marginHeight = 0;
	composite.setLayout(layout);
	GridData data = new GridData(GridData.FILL);
	data.grabExcessHorizontalSpace = true;
	composite.setLayoutData(data);
	composite.setFont(parent.getFont());

	createBasicInfoGroup(composite, resource);
	createSeparator(composite);
	createStateGroup(composite, resource);
	new Label(composite, SWT.NONE); // a vertical spacer
	encodingEditor = new ResourceEncodingFieldEditor(
	getFieldEditorLabel(resource), composite, resource);
	encodingEditor.setPage(this);
	encodingEditor.load();

	encodingEditor.setPropertyChangeListener(new IPropertyChangeListener() {
	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent)
	*/
	public void propertyChange(PropertyChangeEvent event) {
	if (event.getProperty().equals(FieldEditor.IS_VALID))
	setValid(encodingEditor.isValid());

	}
	});

	if (resource.getType() == IResource.PROJECT) {
	lineDelimiterEditor = new LineDelimiterEditor(composite, resource.getProject());
	lineDelimiterEditor.doLoad();
	}

	return composite;
	}

	/**
	* Return the label for the encoding field editor for the resource.
	*
	* @param resource -
	* the resource to edit.
	* @return String
	*/
	private String getFieldEditorLabel(IResource resource) {
	if (resource instanceof IContainer)
	return CONTAINER_ENCODING_TITLE;
	return FILE_ENCODING_TITLE;
	}

	/**
	* Create the isEditable button and it's associated label as a child of
	* parent using the editableValue of the receiver. The Composite will be the
	* parent of the button.
	*
	* @param composite
	* the parent of the button
	*/
	private void createEditableButton(Composite composite) {

	this.editableBox = new Button(composite, SWT.CHECK \| SWT.RIGHT);
	this.editableBox.setAlignment(SWT.LEFT);
	this.editableBox.setText(READ_ONLY);
	this.editableBox.setSelection(this.previousReadOnlyValue);
	this.editableBox.setFont(composite.getFont());
	GridData data = new GridData();
	data.horizontalSpan = 2;
	this.editableBox.setLayoutData(data);
	}

	/**
	* Create the isExecutable button and it's associated label as a child of
	* parent using the editableValue of the receiver. The Composite will be the
	* parent of the button.
	*
	* @param composite
	* the parent of the button
	*/
	private void createExecutableButton(Composite composite) {

	this.executableBox = new Button(composite, SWT.CHECK \| SWT.RIGHT);
	this.executableBox.setAlignment(SWT.LEFT);
	this.executableBox.setText(EXECUTABLE);
	this.executableBox.setSelection(this.previousExecutableValue);
	this.executableBox.setFont(composite.getFont());
	GridData data = new GridData();
	data.horizontalSpan = 2;
	this.executableBox.setLayoutData(data);
	}

	/**
	* Create the isArchive button and it's associated label as a child of
	* parent using the editableValue of the receiver. The Composite will be the
	* parent of the button.
	*
	* @param composite
	* the parent of the button
	*/
	private void createArchiveButton(Composite composite) {

	this.archiveBox = new Button(composite, SWT.CHECK \| SWT.RIGHT);
	this.archiveBox.setAlignment(SWT.LEFT);
	this.archiveBox.setText(ARCHIVE);
	this.archiveBox.setSelection(this.previousArchiveValue);
	this.archiveBox.setFont(composite.getFont());
	GridData data = new GridData();
	data.horizontalSpan = 2;
	this.archiveBox.setLayoutData(data);
	}

	/**
	* Create the derived button and it's associated label as a child of parent
	* using the derived of the receiver. The Composite will be the parent of
	* the button.
	*
	* @param composite
	* the parent of the button
	*/
	private void createDerivedButton(Composite composite) {

	this.derivedBox = new Button(composite, SWT.CHECK \| SWT.RIGHT);
	this.derivedBox.setAlignment(SWT.LEFT);
	this.derivedBox.setText(DERIVED);
	this.derivedBox.setSelection(this.previousDerivedValue);
	this.derivedBox.setFont(composite.getFont());
	GridData data = new GridData();
	data.horizontalSpan = 2;
	this.derivedBox.setLayoutData(data);
	}

	/**
	* Create a separator that goes across the entire page
	*
	* @param composite
	* The parent of the seperator
	*/
	private void createSeparator(Composite composite) {

	Label separator = new Label(composite, SWT.SEPARATOR \| SWT.HORIZONTAL);
	GridData gridData = new GridData();
	gridData.horizontalAlignment = GridData.FILL;
	gridData.grabExcessHorizontalSpace = true;
	separator.setLayoutData(gridData);
	}

	/**
	* Create the group that shows the read only state and the timestamp.
	*
	* @param parent
	* the composite the group will be created in
	* @param resource
	* the resource the information is being taken from.
	*/
	private void createStateGroup(Composite parent, IResource resource) {

	Font font = parent.getFont();

	Composite composite = new Composite(parent, SWT.NULL);
	GridLayout layout = new GridLayout();
	layout.numColumns = 2;
	layout.marginWidth = 0;
	layout.marginHeight = 0;
	composite.setLayout(layout);
	GridData data = new GridData();
	data.horizontalAlignment = GridData.FILL;
	composite.setLayoutData(data);
	composite.setFont(font);

	Label timeStampLabel = new Label(composite, SWT.NONE);
	timeStampLabel.setText(TIMESTAMP_TITLE);
	timeStampLabel.setFont(font);

	// timeStamp value label
	Text timeStampValue = new Text(composite, SWT.READ_ONLY);
	timeStampValue.setText(IDEResourceInfoUtils.getDateStringValue(resource));
	timeStampValue.setFont(font);
	timeStampValue.setBackground(timeStampValue.getDisplay()
	.getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
	timeStampValue.setLayoutData(new GridData(GridData.FILL_HORIZONTAL
	\| GridData.GRAB_HORIZONTAL));

	// Not relevant to projects
	if (resource.getType() != IResource.PROJECT) {
	URI location = resource.getLocationURI();
	if (location != null) {
	try {
	IFileSystem fs = EFS.getFileSystem(location.getScheme());
	int attributes = fs.attributes();
	if ((attributes & EFS.ATTRIBUTE_READ_ONLY) != 0)
	createEditableButton(composite);
	if ((attributes & EFS.ATTRIBUTE_EXECUTABLE) != 0)
	createExecutableButton(composite);
	if ((attributes & EFS.ATTRIBUTE_ARCHIVE) != 0)
	createArchiveButton(composite);
	} catch (CoreException e) {
	//ignore if we can't access the file system for this resource
	}
	}
	createDerivedButton(composite);
	//create warning for executable flag
	if (executableBox != null && resource.getType() == IResource.FOLDER) {
	Composite noteComposite = createNoteComposite(font, composite,
	IDEWorkbenchMessages.Preference_note, IDEWorkbenchMessages.ResourceInfo_exWarning);
	GridData noteData = new GridData();
	noteData.horizontalSpan = 2;
	noteComposite.setLayoutData(noteData);
	}
	}
	}

	private IContentDescription getContentDescription(IResource resource) {
	if (resource.getType() != IResource.FILE)
	return null;

	if (cachedContentDescription == null) {
	try {
	cachedContentDescription = ((IFile)resource).getContentDescription();
	} catch (CoreException e) {
	// silently ignore
	}
	}
	return cachedContentDescription;
	}

	/**
	* Returns whether the given resource is a linked resource bound to a path
	* variable.
	*
	* @param resource
	* resource to test
	* @return boolean <code>true</code> the given resource is a linked
	* resource bound to a path variable. <code>false</code> the given
	* resource is either not a linked resource or it is not using a
	* path variable.
	*/
	private boolean isPathVariable(IResource resource) {
	if (!resource.isLinked())
	return false;

	IPath resolvedLocation = resource.getLocation();
	if (resolvedLocation == null) {
	// missing path variable
	return true;
	}
	IPath rawLocation = resource.getRawLocation();
	if (resolvedLocation.equals(rawLocation))
	return false;

	return true;
	}

	/**
	* Reset the editableBox to the false.
	*/
	protected void performDefaults() {

	// Nothing to update if we never made the box
	if (this.editableBox != null)
	this.editableBox.setSelection(false);

	// Nothing to update if we never made the box
	if (this.executableBox != null)
	this.executableBox.setSelection(false);

	// Nothing to update if we never made the box
	if (this.derivedBox != null)
	this.derivedBox.setSelection(false);

	encodingEditor.loadDefault();

	if (lineDelimiterEditor != null)
	lineDelimiterEditor.loadDefault();

	}

	/**
	* Apply the read only state and the encoding to the resource.
	*/
	public boolean performOk() {

	IResource resource = (IResource) getElement();

	encodingEditor.store();

	if (lineDelimiterEditor != null)
	lineDelimiterEditor.store();

	try {
	ResourceAttributes attrs = resource.getResourceAttributes();
	if (attrs != null) {
	boolean hasChange = false;
	// Nothing to update if we never made the box
	if (editableBox != null
	&& editableBox.getSelection() != previousReadOnlyValue) {
	attrs.setReadOnly(editableBox.getSelection());
	hasChange = true;
	}
	if (executableBox != null
	&& executableBox.getSelection() != previousExecutableValue) {
	attrs.setExecutable(executableBox.getSelection());
	hasChange = true;
	}
	if (archiveBox != null
	&& archiveBox.getSelection() != previousArchiveValue) {
	attrs.setArchive(archiveBox.getSelection());
	hasChange = true;
	}
	if (hasChange) {
	resource.setResourceAttributes(attrs);
	attrs = resource.getResourceAttributes();
	if (attrs != null) {
	previousReadOnlyValue = attrs.isReadOnly();
	previousExecutableValue = attrs.isExecutable();
	previousArchiveValue = attrs.isArchive();
	if (editableBox != null)
	editableBox.setSelection(attrs.isReadOnly());
	if (executableBox != null)
	executableBox.setSelection(attrs.isExecutable());
	if (archiveBox != null)
	archiveBox.setSelection(attrs.isArchive());
	}
	}
	}

	// Nothing to update if we never made the box
	if (this.derivedBox != null) {
	boolean localDerivedValue = derivedBox.getSelection();
	if (previousDerivedValue != localDerivedValue) {
	resource.setDerived(localDerivedValue);
	boolean isDerived = resource.isDerived();
	previousDerivedValue = isDerived;
	derivedBox.setSelection(isDerived);
	}
	}
	} catch (CoreException exception) {
	ErrorDialog.openError(getShell(), IDEWorkbenchMessages.InternalError,
	exception.getLocalizedMessage(), exception.getStatus());
	return false;
	}
	return true;
	}
	}