bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/MarkersPropertyPage.java - platform/eclipse.platform.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2007, 2016 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
  * which accompanies this distribution, and is available at
  * https://www.eclipse.org/legal/epl-2.0/
  *
  * SPDX-License-Identifier: EPL-2.0
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *     Mickael Istria (Red Hat Inc.) - Bug 486901
  *******************************************************************************/
 package org.eclipse.ui.internal.views.markers;

 import java.util.HashMap;
 import java.util.Map;

 import org.eclipse.core.commands.ExecutionException;
 import org.eclipse.core.commands.operations.IUndoableOperation;
 import org.eclipse.core.resources.IMarker;
 import org.eclipse.core.resources.IResource;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.Adapters;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.NullProgressMonitor;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.osgi.util.NLS;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.dnd.Clipboard;
 import org.eclipse.swt.dnd.TextTransfer;
 import org.eclipse.swt.dnd.Transfer;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Combo;
 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.ISharedImages;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.dialogs.PropertyPage;
 import org.eclipse.ui.ide.undo.UpdateMarkersOperation;
 import org.eclipse.ui.ide.undo.WorkspaceUndoUtil;
 import org.eclipse.ui.internal.ide.Policy;
 import org.eclipse.ui.internal.ide.StatusUtil;
 import org.eclipse.ui.statushandlers.StatusManager;
 import org.eclipse.ui.views.markers.internal.MarkerMessages;
 import org.eclipse.ui.views.markers.internal.Util;

 /**
  * MarkersPropertyPage is the property page for a marker.
  *
  * @since 3.4
  *
  */
 public class MarkersPropertyPage extends PropertyPage {

 	private Text descriptionText;
 	private IMarker marker;

 	Combo priorityCombo;
 	Button completedCheckbox;
 	Button copyButton;

 	/**
 	 * Create a new instance of the receiver.
 	 */
 	public MarkersPropertyPage() {
 		super();
 	}

 	@Override
 	protected Control createContents(Composite parent) {
 		// initialize resources/properties

 		IMarker element = Adapters.adapt(getElement(), IMarker.class);
 		IResource resource = null;

 		if (element != null) {
 			marker = element;
 			resource = marker.getResource();
 		}
 		if (resource == null) {
 			resource = ResourcesPlugin.getWorkspace().getRoot();
 		}

 		if (!Util.isEditable(marker)) {
 			noDefaultAndApplyButton();
 		}

 		Composite composite = new Composite(parent, SWT.NULL);
 		GridLayout layout = new GridLayout(2, false);
 		layout.marginWidth = 0;
 		layout.marginHeight = 0;
 		composite.setLayout(layout);
 		GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
 		composite.setLayoutData(gridData);

 		initializeDialogUnits(composite);
 		createAttributesArea(composite);
 		createResourceNameArea(composite);
 		if (resource != null) {
 			createResourceArea(composite);
 		}
 		if (element != null) {
 			createCreationTimeArea(composite);
 		}
 		createSeparator(composite);
 		createDescriptionArea(composite);
 		Dialog.applyDialogFont(composite);
 		return composite;
 	}

 	/**
 	 * Creates a separator.
 	 */
 	protected void createSeparator(Composite parent) {
 		Label seperator = new Label(parent, SWT.NULL);
 		GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
 		gridData.horizontalSpan = 2;
 		seperator.setLayoutData(gridData);
 	}

 	/**
 	 * Method createCreationTimeArea.
 	 *
 	 * @param parent
 	 */
 	private void createCreationTimeArea(Composite parent) {
 		Label label = new Label(parent, SWT.NONE);
 		label.setText(MarkerMessages.propertiesDialog_creationTime_text);
 		Text creationTime = createReadOnlyText(parent);
 		creationTime.setText(Util.getCreationTime(marker));
 	}

 	private static Text createReadOnlyText(Composite parent) {
 		Text text = new Text(parent, SWT.SINGLE | SWT.READ_ONLY);
 		text.setBackground(text.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
 		GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
 		text.setLayoutData(gridData);
 		return text;
 	}

 	/**
 	 * Creates the area for the Description field.
 	 */
 	private void createDescriptionArea(Composite parent) {
 		Composite composite = new Composite(parent, SWT.NONE);
 		GridData cGridData = new GridData(SWT.FILL, SWT.FILL, true, true);
 		cGridData.horizontalSpan = 2;
 		composite.setLayoutData(cGridData);
 		GridLayout layout = new GridLayout(1, false);
 		layout.marginHeight = layout.marginWidth = 0;
 		composite.setLayout(layout);

 		Label label = new Label(composite, SWT.NONE);
 		label.setText(MarkerMessages.propertiesDialog_description_text);
 		GridData labelGridData = new GridData(SWT.LEFT, SWT.TOP, false, false);
 		label.setLayoutData(labelGridData);

 		Composite textContainer = new Composite(composite, SWT.NONE);
 		layout = new GridLayout();
 		layout.numColumns = 2;
 		layout.marginHeight = layout.marginWidth = 0;
 		textContainer.setLayout(layout);
 		textContainer.setLayoutData(new GridData(GridData.FILL_BOTH));
 		descriptionText = new Text(textContainer, SWT.MULTI | SWT.WRAP | SWT.V_SCROLL | SWT.H_SCROLL | SWT.BORDER);
 		GridData gridData = new GridData(GridData.FILL_BOTH);
 		gridData.widthHint = gridData.heightHint = 0;
 		gridData.grabExcessHorizontalSpace = true;
 		descriptionText.setLayoutData(gridData);
 		descriptionText.setText(Util.getProperty(IMarker.MESSAGE, marker));
 		descriptionText.setEditable(Util.isEditable(marker));

 		copyButton = new Button(textContainer, SWT.PUSH);
 		copyButton.setImage(PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_TOOL_COPY));
 		copyButton.setLayoutData(new GridData(GridData.FILL_VERTICAL));
 		((GridData) copyButton.getLayoutData()).verticalAlignment = SWT.BOTTOM;
 		copyButton.addListener(SWT.Selection, event -> {
 			Clipboard clipboard = new Clipboard(event.display);
 			try {
 				clipboard.setContents(new Object[] { descriptionText.getText() },
 						new Transfer[] { TextTransfer.getInstance() });
 			} finally {
 				clipboard.dispose();
 			}
 		});
 	}

 	/**
 	 * This method is intended to be overridden by subclasses. The attributes
 	 * area is created between the creation time area and the resource area.
 	 *
 	 * @param parent
 	 *            the parent composite
 	 */
 	protected void createAttributesArea(Composite parent) {
 		try {
 			if (marker.isSubtypeOf(IMarker.PROBLEM)) {
 				createProblemAttributes(parent);
 			}

 			if (marker.isSubtypeOf(IMarker.TASK)) {
 				createTaskAttributes(parent);
 			}
 		} catch (CoreException e) {
 			Policy.handle(e);
 		}
 	}

 	/**
 	 * Create the attributes area for editing a task
 	 *
 	 * @param parent
 	 */
 	private void createTaskAttributes(Composite parent) {
 		Label label = new Label(parent, SWT.NONE);
 		label.setText(MarkerMessages.propertiesDialog_priority);

 		Composite composite = new Composite(parent, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 2;
 		layout.marginWidth = 0;
 		layout.marginHeight = 0;
 		composite.setLayout(layout);

 		priorityCombo = new Combo(composite, SWT.READ_ONLY);
 		priorityCombo.setItems(new String[] {
 				MarkerMessages.propertiesDialog_priorityLow,
 				MarkerMessages.propertiesDialog_priorityNormal,
 				MarkerMessages.propertiesDialog_priorityHigh });

 		priorityCombo.select(marker.getAttribute(IMarker.PRIORITY, IMarker.PRIORITY_NORMAL));
 		priorityCombo.setEnabled(Util.isEditable(marker));

 		completedCheckbox = new Button(composite, SWT.CHECK);
 		completedCheckbox.setText(MarkerMessages.propertiesDialog_completed);
 		GridData gridData = new GridData();
 		gridData.horizontalIndent = convertHorizontalDLUsToPixels(20);
 		completedCheckbox.setLayoutData(gridData);

 		completedCheckbox.setEnabled(Util.isEditable(marker));

 		Object done;
 		try {
 			done = marker.getAttribute(IMarker.DONE);
 			completedCheckbox.setSelection(done != null
 					&& done instanceof Boolean
 					&& ((Boolean) done).booleanValue());
 		} catch (CoreException e) {
 			Policy.handle(e);
 		}
 	}

 	/**
 	 * Create the attributes area for problems
 	 *
 	 * @param parent
 	 */
 	private void createProblemAttributes(Composite parent) {
 		new Label(parent, SWT.NONE).setText(MarkerMessages.propertiesDialog_severityLabel);

 		Composite composite = new Composite(parent, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 2;
 		layout.marginWidth = 0;
 		layout.marginHeight = 0;
 		composite.setLayout(layout);

 		Label severityImage = new Label(composite, SWT.NONE);

 		severityImage.setImage(Util.getImage(marker.getAttribute(IMarker.SEVERITY, -1)));

 		Text severityLabel = createReadOnlyText(composite);
 		int severity = marker.getAttribute(IMarker.SEVERITY, -1);
 		if (severity == IMarker.SEVERITY_ERROR) {
 			severityLabel.setText(MarkerMessages.propertiesDialog_errorLabel);
 		} else if (severity == IMarker.SEVERITY_WARNING) {
 			severityLabel.setText(MarkerMessages.propertiesDialog_warningLabel);
 		} else if (severity == IMarker.SEVERITY_INFO) {
 			severityLabel.setText(MarkerMessages.propertiesDialog_infoLabel);
 		} else {
 			severityLabel.setText(MarkerMessages.propertiesDialog_noseverityLabel);
 		}
 	}

 	/**
 	 * Creates the area for the Resource field.
 	 */
 	private void createResourceArea(Composite parent) {
 		createResourcePathArea(parent);

 		Label locationLabel = new Label(parent, SWT.NONE);
 		locationLabel.setText(MarkerMessages.propertiesDialog_location_text);
 		Text locationText = createReadOnlyText(parent);

 		String line = Util.getProperty(IMarker.LINE_NUMBER, marker);
 		if (line.length() == 0) {
 			String location = Util.getProperty(IMarker.LOCATION, marker);
 			if (location.length() == 0) {
 				locationText.setText(MarkerSupportInternalUtilities.EMPTY_STRING);
 			} else {
 				locationText.setText(location);
 			}
 		} else {
 			locationText.setText(NLS.bind(MarkerMessages.label_lineNumber, line));
 		}
 	}

 	/**
 	 * Creates the area for resource path
 	 */
 	private void createResourcePathArea(Composite parent) {
 		String containerName = Util.getContainerName(marker);
 		if (!containerName.isEmpty()) {
 			Label folderLabel = new Label(parent, SWT.NONE);
 			folderLabel.setText(MarkerMessages.propertiesDialog_folder_text);
 			Text folderText = createReadOnlyText(parent);
 			folderText.setText(Util.getContainerName(marker));
 		}
 	}

 	/**
 	 * Creates the area for resource name
 	 */
 	private void createResourceNameArea(Composite parent) {
 		Label resourceLabel = new Label(parent, SWT.NONE);
 		resourceLabel.setText(MarkerMessages.propertiesDialog_resource_text);
 		Text resourceText = createReadOnlyText(parent);
 		resourceText.setText(Util.getResourceName(marker));
 	}

 	@Override
 	public boolean performOk() {
 		if (marker == null || Util.isEditable(marker)) {
 			saveChanges();
 		}
 		return super.performOk();
 	}

 	/**
 	 * Saves the changes made in the dialog if needed. Creates a new marker if
 	 * needed. Updates the existing marker only if there have been changes.
 	 */
 	private void saveChanges() {
 		Map<String, Object> attrs;
 		try {
 			attrs = marker.getAttributes();
 		} catch (CoreException e) {
 			attrs = new HashMap<>();
 			Policy.handle(e);
 		}

 		attrs.put(IMarker.MESSAGE, descriptionText.getText());

 		// Are we editing a task?
 		if (priorityCombo != null) {
 			int priority = IMarker.PRIORITY_NORMAL;

 			int index = priorityCombo.getSelectionIndex();
 			if (index == priorityCombo.indexOf(MarkerMessages.propertiesDialog_priorityHigh)) {
 				priority = IMarker.PRIORITY_HIGH;
 			} else if (index == priorityCombo.indexOf(MarkerMessages.propertiesDialog_priorityLow)) {
 				priority = IMarker.PRIORITY_LOW;
 			}

 			attrs.put(IMarker.PRIORITY, priority);
 		}

 		if (completedCheckbox != null) {
 			attrs.put(IMarker.DONE, completedCheckbox.getSelection() ? Boolean.TRUE : Boolean.FALSE);
 		}

 		IUndoableOperation op = new UpdateMarkersOperation(marker, attrs, NLS
 				.bind(MarkerMessages.qualifiedMarkerCommand_title,
 						new Object[] {
 								MarkerMessages.DialogMarkerProperties_Modify,
 								Util.getResourceName(marker) }), true);

 		try {
 			PlatformUI.getWorkbench().getOperationSupport()
 					.getOperationHistory().execute(op, new NullProgressMonitor(),
 							WorkspaceUndoUtil.getUIInfoAdapter(getShell()));
 		} catch (ExecutionException e) {
 			Throwable cause = e.getCause();
 			if (cause instanceof CoreException) {
 				StatusManager.getManager().handle(((CoreException) cause).getStatus(), StatusManager.SHOW);
 			} else {
 				StatusManager.getManager().handle(StatusUtil.newError(e));
 			}
 		}

 	}

 }
	/*******************************************************************************
	* Copyright (c) 2007, 2016 IBM Corporation and others.
	*
	* This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License 2.0
	* which accompanies this distribution, and is available at
	* https://www.eclipse.org/legal/epl-2.0/
	*
	* SPDX-License-Identifier: EPL-2.0
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	* Mickael Istria (Red Hat Inc.) - Bug 486901
	*******************************************************************************/
	package org.eclipse.ui.internal.views.markers;

	import java.util.HashMap;
	import java.util.Map;

	import org.eclipse.core.commands.ExecutionException;
	import org.eclipse.core.commands.operations.IUndoableOperation;
	import org.eclipse.core.resources.IMarker;
	import org.eclipse.core.resources.IResource;
	import org.eclipse.core.resources.ResourcesPlugin;
	import org.eclipse.core.runtime.Adapters;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.NullProgressMonitor;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.osgi.util.NLS;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.dnd.Clipboard;
	import org.eclipse.swt.dnd.TextTransfer;
	import org.eclipse.swt.dnd.Transfer;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Combo;
	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.ISharedImages;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.ui.dialogs.PropertyPage;
	import org.eclipse.ui.ide.undo.UpdateMarkersOperation;
	import org.eclipse.ui.ide.undo.WorkspaceUndoUtil;
	import org.eclipse.ui.internal.ide.Policy;
	import org.eclipse.ui.internal.ide.StatusUtil;
	import org.eclipse.ui.statushandlers.StatusManager;
	import org.eclipse.ui.views.markers.internal.MarkerMessages;
	import org.eclipse.ui.views.markers.internal.Util;

	/**
	* MarkersPropertyPage is the property page for a marker.
	*
	* @since 3.4
	*
	*/
	public class MarkersPropertyPage extends PropertyPage {

	private Text descriptionText;
	private IMarker marker;

	Combo priorityCombo;
	Button completedCheckbox;
	Button copyButton;

	/**
	* Create a new instance of the receiver.
	*/
	public MarkersPropertyPage() {
	super();
	}

	@Override
	protected Control createContents(Composite parent) {
	// initialize resources/properties

	IMarker element = Adapters.adapt(getElement(), IMarker.class);
	IResource resource = null;

	if (element != null) {
	marker = element;
	resource = marker.getResource();
	}
	if (resource == null) {
	resource = ResourcesPlugin.getWorkspace().getRoot();
	}

	if (!Util.isEditable(marker)) {
	noDefaultAndApplyButton();
	}

	Composite composite = new Composite(parent, SWT.NULL);
	GridLayout layout = new GridLayout(2, false);
	layout.marginWidth = 0;
	layout.marginHeight = 0;
	composite.setLayout(layout);
	GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
	composite.setLayoutData(gridData);

	initializeDialogUnits(composite);
	createAttributesArea(composite);
	createResourceNameArea(composite);
	if (resource != null) {
	createResourceArea(composite);
	}
	if (element != null) {
	createCreationTimeArea(composite);
	}
	createSeparator(composite);
	createDescriptionArea(composite);
	Dialog.applyDialogFont(composite);
	return composite;
	}

	/**
	* Creates a separator.
	*/
	protected void createSeparator(Composite parent) {
	Label seperator = new Label(parent, SWT.NULL);
	GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
	gridData.horizontalSpan = 2;
	seperator.setLayoutData(gridData);
	}

	/**
	* Method createCreationTimeArea.
	*
	* @param parent
	*/
	private void createCreationTimeArea(Composite parent) {
	Label label = new Label(parent, SWT.NONE);
	label.setText(MarkerMessages.propertiesDialog_creationTime_text);
	Text creationTime = createReadOnlyText(parent);
	creationTime.setText(Util.getCreationTime(marker));
	}

	private static Text createReadOnlyText(Composite parent) {
	Text text = new Text(parent, SWT.SINGLE \| SWT.READ_ONLY);
	text.setBackground(text.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
	GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
	text.setLayoutData(gridData);
	return text;
	}

	/**
	* Creates the area for the Description field.
	*/
	private void createDescriptionArea(Composite parent) {
	Composite composite = new Composite(parent, SWT.NONE);
	GridData cGridData = new GridData(SWT.FILL, SWT.FILL, true, true);
	cGridData.horizontalSpan = 2;
	composite.setLayoutData(cGridData);
	GridLayout layout = new GridLayout(1, false);
	layout.marginHeight = layout.marginWidth = 0;
	composite.setLayout(layout);

	Label label = new Label(composite, SWT.NONE);
	label.setText(MarkerMessages.propertiesDialog_description_text);
	GridData labelGridData = new GridData(SWT.LEFT, SWT.TOP, false, false);
	label.setLayoutData(labelGridData);

	Composite textContainer = new Composite(composite, SWT.NONE);
	layout = new GridLayout();
	layout.numColumns = 2;
	layout.marginHeight = layout.marginWidth = 0;
	textContainer.setLayout(layout);
	textContainer.setLayoutData(new GridData(GridData.FILL_BOTH));
	descriptionText = new Text(textContainer, SWT.MULTI \| SWT.WRAP \| SWT.V_SCROLL \| SWT.H_SCROLL \| SWT.BORDER);
	GridData gridData = new GridData(GridData.FILL_BOTH);
	gridData.widthHint = gridData.heightHint = 0;
	gridData.grabExcessHorizontalSpace = true;
	descriptionText.setLayoutData(gridData);
	descriptionText.setText(Util.getProperty(IMarker.MESSAGE, marker));
	descriptionText.setEditable(Util.isEditable(marker));

	copyButton = new Button(textContainer, SWT.PUSH);
	copyButton.setImage(PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_TOOL_COPY));
	copyButton.setLayoutData(new GridData(GridData.FILL_VERTICAL));
	((GridData) copyButton.getLayoutData()).verticalAlignment = SWT.BOTTOM;
	copyButton.addListener(SWT.Selection, event -> {
	Clipboard clipboard = new Clipboard(event.display);
	try {
	clipboard.setContents(new Object[] { descriptionText.getText() },
	new Transfer[] { TextTransfer.getInstance() });
	} finally {
	clipboard.dispose();
	}
	});
	}

	/**
	* This method is intended to be overridden by subclasses. The attributes
	* area is created between the creation time area and the resource area.
	*
	* @param parent
	* the parent composite
	*/
	protected void createAttributesArea(Composite parent) {
	try {
	if (marker.isSubtypeOf(IMarker.PROBLEM)) {
	createProblemAttributes(parent);
	}

	if (marker.isSubtypeOf(IMarker.TASK)) {
	createTaskAttributes(parent);
	}
	} catch (CoreException e) {
	Policy.handle(e);
	}
	}

	/**
	* Create the attributes area for editing a task
	*
	* @param parent
	*/
	private void createTaskAttributes(Composite parent) {
	Label label = new Label(parent, SWT.NONE);
	label.setText(MarkerMessages.propertiesDialog_priority);

	Composite composite = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.numColumns = 2;
	layout.marginWidth = 0;
	layout.marginHeight = 0;
	composite.setLayout(layout);

	priorityCombo = new Combo(composite, SWT.READ_ONLY);
	priorityCombo.setItems(new String[] {
	MarkerMessages.propertiesDialog_priorityLow,
	MarkerMessages.propertiesDialog_priorityNormal,
	MarkerMessages.propertiesDialog_priorityHigh });

	priorityCombo.select(marker.getAttribute(IMarker.PRIORITY, IMarker.PRIORITY_NORMAL));
	priorityCombo.setEnabled(Util.isEditable(marker));

	completedCheckbox = new Button(composite, SWT.CHECK);
	completedCheckbox.setText(MarkerMessages.propertiesDialog_completed);
	GridData gridData = new GridData();
	gridData.horizontalIndent = convertHorizontalDLUsToPixels(20);
	completedCheckbox.setLayoutData(gridData);

	completedCheckbox.setEnabled(Util.isEditable(marker));

	Object done;
	try {
	done = marker.getAttribute(IMarker.DONE);
	completedCheckbox.setSelection(done != null
	&& done instanceof Boolean
	&& ((Boolean) done).booleanValue());
	} catch (CoreException e) {
	Policy.handle(e);
	}
	}

	/**
	* Create the attributes area for problems
	*
	* @param parent
	*/
	private void createProblemAttributes(Composite parent) {
	new Label(parent, SWT.NONE).setText(MarkerMessages.propertiesDialog_severityLabel);

	Composite composite = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.numColumns = 2;
	layout.marginWidth = 0;
	layout.marginHeight = 0;
	composite.setLayout(layout);

	Label severityImage = new Label(composite, SWT.NONE);

	severityImage.setImage(Util.getImage(marker.getAttribute(IMarker.SEVERITY, -1)));

	Text severityLabel = createReadOnlyText(composite);
	int severity = marker.getAttribute(IMarker.SEVERITY, -1);
	if (severity == IMarker.SEVERITY_ERROR) {
	severityLabel.setText(MarkerMessages.propertiesDialog_errorLabel);
	} else if (severity == IMarker.SEVERITY_WARNING) {
	severityLabel.setText(MarkerMessages.propertiesDialog_warningLabel);
	} else if (severity == IMarker.SEVERITY_INFO) {
	severityLabel.setText(MarkerMessages.propertiesDialog_infoLabel);
	} else {
	severityLabel.setText(MarkerMessages.propertiesDialog_noseverityLabel);
	}
	}

	/**
	* Creates the area for the Resource field.
	*/
	private void createResourceArea(Composite parent) {
	createResourcePathArea(parent);

	Label locationLabel = new Label(parent, SWT.NONE);
	locationLabel.setText(MarkerMessages.propertiesDialog_location_text);
	Text locationText = createReadOnlyText(parent);

	String line = Util.getProperty(IMarker.LINE_NUMBER, marker);
	if (line.length() == 0) {
	String location = Util.getProperty(IMarker.LOCATION, marker);
	if (location.length() == 0) {
	locationText.setText(MarkerSupportInternalUtilities.EMPTY_STRING);
	} else {
	locationText.setText(location);
	}
	} else {
	locationText.setText(NLS.bind(MarkerMessages.label_lineNumber, line));
	}
	}

	/**
	* Creates the area for resource path
	*/
	private void createResourcePathArea(Composite parent) {
	String containerName = Util.getContainerName(marker);
	if (!containerName.isEmpty()) {
	Label folderLabel = new Label(parent, SWT.NONE);
	folderLabel.setText(MarkerMessages.propertiesDialog_folder_text);
	Text folderText = createReadOnlyText(parent);
	folderText.setText(Util.getContainerName(marker));
	}
	}

	/**
	* Creates the area for resource name
	*/
	private void createResourceNameArea(Composite parent) {
	Label resourceLabel = new Label(parent, SWT.NONE);
	resourceLabel.setText(MarkerMessages.propertiesDialog_resource_text);
	Text resourceText = createReadOnlyText(parent);
	resourceText.setText(Util.getResourceName(marker));
	}

	@Override
	public boolean performOk() {
	if (marker == null \|\| Util.isEditable(marker)) {
	saveChanges();
	}
	return super.performOk();
	}

	/**
	* Saves the changes made in the dialog if needed. Creates a new marker if
	* needed. Updates the existing marker only if there have been changes.
	*/
	private void saveChanges() {
	Map<String, Object> attrs;
	try {
	attrs = marker.getAttributes();
	} catch (CoreException e) {
	attrs = new HashMap<>();
	Policy.handle(e);
	}

	attrs.put(IMarker.MESSAGE, descriptionText.getText());

	// Are we editing a task?
	if (priorityCombo != null) {
	int priority = IMarker.PRIORITY_NORMAL;

	int index = priorityCombo.getSelectionIndex();
	if (index == priorityCombo.indexOf(MarkerMessages.propertiesDialog_priorityHigh)) {
	priority = IMarker.PRIORITY_HIGH;
	} else if (index == priorityCombo.indexOf(MarkerMessages.propertiesDialog_priorityLow)) {
	priority = IMarker.PRIORITY_LOW;
	}

	attrs.put(IMarker.PRIORITY, priority);
	}

	if (completedCheckbox != null) {
	attrs.put(IMarker.DONE, completedCheckbox.getSelection() ? Boolean.TRUE : Boolean.FALSE);
	}

	IUndoableOperation op = new UpdateMarkersOperation(marker, attrs, NLS
	.bind(MarkerMessages.qualifiedMarkerCommand_title,
	new Object[] {
	MarkerMessages.DialogMarkerProperties_Modify,
	Util.getResourceName(marker) }), true);

	try {
	PlatformUI.getWorkbench().getOperationSupport()
	.getOperationHistory().execute(op, new NullProgressMonitor(),
	WorkspaceUndoUtil.getUIInfoAdapter(getShell()));
	} catch (ExecutionException e) {
	Throwable cause = e.getCause();
	if (cause instanceof CoreException) {
	StatusManager.getManager().handle(((CoreException) cause).getStatus(), StatusManager.SHOW);
	} else {
	StatusManager.getManager().handle(StatusUtil.newError(e));
	}
	}

	}

	}