org.eclipse.mylyn.bugzilla.ui/src/org/eclipse/mylyn/internal/bugzilla/ui/editor/BugzillaFlagPart.java - gerrit/mylyn/org.eclipse.mylyn.tasks - Git at Google

 /*******************************************************************************
  * Copyright (c) 2011, 2013 Frank Becker and others.
  *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v. 2.0 which is available at
  * https://www.eclipse.org/legal/epl-2.0
  *
  * SPDX-License-Identifier: EPL-2.0
  *
  * Contributors:
  *     Frank Becker - initial API and implementation
  *******************************************************************************/

 package org.eclipse.mylyn.internal.bugzilla.ui.editor;

 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.List;
 import java.util.Map;

 import org.eclipse.jface.action.LegacyActionTools;
 import org.eclipse.jface.action.ToolBarManager;
 import org.eclipse.jface.layout.GridDataFactory;
 import org.eclipse.mylyn.internal.bugzilla.core.BugzillaAttribute;
 import org.eclipse.mylyn.internal.tasks.ui.editors.EditorUtil;
 import org.eclipse.mylyn.internal.tasks.ui.notifications.TaskDiffUtil;
 import org.eclipse.mylyn.tasks.core.data.TaskAttribute;
 import org.eclipse.mylyn.tasks.ui.editors.AbstractAttributeEditor;
 import org.eclipse.mylyn.tasks.ui.editors.AbstractTaskEditorPart;
 import org.eclipse.mylyn.tasks.ui.editors.LayoutHint;
 import org.eclipse.mylyn.tasks.ui.editors.LayoutHint.ColumnSpan;
 import org.eclipse.mylyn.tasks.ui.editors.LayoutHint.RowSpan;
 import org.eclipse.osgi.util.NLS;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.layout.RowLayout;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.ui.forms.IFormColors;
 import org.eclipse.ui.forms.events.ExpansionAdapter;
 import org.eclipse.ui.forms.events.ExpansionEvent;
 import org.eclipse.ui.forms.widgets.ExpandableComposite;
 import org.eclipse.ui.forms.widgets.FormToolkit;
 import org.eclipse.ui.forms.widgets.Section;

 @SuppressWarnings("restriction")
 public class BugzillaFlagPart extends AbstractTaskEditorPart {
 	private static final int LABEL_WIDTH = 110;

 	private static final int COLUMN_WIDTH = 140;

 	private static final int COLUMN_GAP = 20;

 	private static final int MULTI_COLUMN_WIDTH = COLUMN_WIDTH + 5 + COLUMN_GAP + LABEL_WIDTH + 5 + COLUMN_WIDTH;

 	private static final int MULTI_ROW_HEIGHT = 55;

 	private boolean hasIncoming;

 	private List<AbstractAttributeEditor> flagEditors;

 	private String infoOverlayText = null;

 	private String infoOverlayTooltipText = null;

 	public BugzillaFlagPart() {
 		setPartName(Messages.BugzillaFlagPart_Flags_PartName);
 	}

 	@Override
 	public void createControl(Composite parent, FormToolkit toolkit) {
 		initialize();
 		int style = ExpandableComposite.TWISTIE | ExpandableComposite.LEFT_TEXT_CLIENT_ALIGNMENT;
 		if (hasIncoming) {
 			style |= ExpandableComposite.EXPANDED;
 		}
 		Section flagSection = createSection(parent, toolkit, style);
 		EditorUtil.setTitleBarForeground(flagSection, toolkit.getColors().getColor(IFormColors.TITLE));

 		GridLayout gl = new GridLayout();
 		GridData gd = new GridData(SWT.FILL, SWT.NONE, false, false);
 		gd.horizontalSpan = 4;
 		flagSection.setLayout(gl);
 		flagSection.setLayoutData(gd);

 		Composite flagComposite = toolkit.createComposite(flagSection);

 		GridLayout flagsLayout = EditorUtil.createSectionClientLayout();
 		flagsLayout.numColumns = 4;
 		flagsLayout.horizontalSpacing = 7;
 		flagsLayout.verticalSpacing = 6;
 		flagComposite.setLayout(flagsLayout);

 		GridData flagsData = new GridData(GridData.FILL_BOTH);
 		flagsData.horizontalSpan = 1;
 		flagsData.grabExcessVerticalSpace = false;
 		flagComposite.setLayoutData(flagsData);
 		GridDataFactory.fillDefaults().align(SWT.FILL, SWT.TOP).grab(true, false).applyTo(flagComposite);

 		createAttributeControls(flagComposite, toolkit, flagsLayout.numColumns);
 		flagSection.setClient(flagComposite);
 		toolkit.paintBordersFor(flagComposite);
 		setSection(toolkit, flagSection);
 	}

 	private void initialize() {
 		hasIncoming = false;
 		flagEditors = new ArrayList<AbstractAttributeEditor>();
 		int used = 0;
 		int unused = 0;
 		String usedDetail = ""; //$NON-NLS-1$
 		String unusedDetail = ""; //$NON-NLS-1$
 		Map<String, TaskAttribute> attributes = getTaskData().getRoot().getAttributes();
 		for (TaskAttribute attribute : attributes.values()) {
 			if (!BugzillaAttribute.KIND_FLAG.equals(attribute.getMetaData().getKind())) {
 				continue;
 			}

 			TaskAttribute stateAttribute = attribute.getAttribute("state"); //$NON-NLS-1$
 			if (stateAttribute == null) {
 				continue;
 			}
 			String val = stateAttribute.getValue();
 			if (val != null && !val.equals("") && !val.equals(" ")) { //$NON-NLS-1$ //$NON-NLS-2$
 				if (used > 0) {
 					usedDetail += ", "; //$NON-NLS-1$
 				}
 				used++;
 				usedDetail += stateAttribute.getMetaData().getLabel();
 			} else {
 				if (unused > 0) {
 					unusedDetail += ", "; //$NON-NLS-1$
 				}
 				unused++;
 				unusedDetail += stateAttribute.getMetaData().getLabel();
 			}
 			AbstractAttributeEditor attributeEditor = createAttributeEditor(attribute);
 			if (attributeEditor != null) {
 				flagEditors.add(attributeEditor);
 				if (getModel().hasIncomingChanges(attribute)) {
 					hasIncoming = true;
 				}
 			}
 		}
 		Comparator<AbstractAttributeEditor> attributeSorter = createAttributeEditorSorter();
 		if (attributeSorter != null) {
 			Collections.sort(flagEditors, attributeSorter);
 		}

 		if (used > 0) {
 			infoOverlayText = NLS.bind(
 					" " + Messages.BugzillaFlagPart_Fleg_Section_Title, "" + (unused + used), "" + used); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 		} else {
 			infoOverlayText = NLS.bind(" " + Messages.BugzillaFlagPart_Fleg_Section_Title_Short, "" + (unused + used)); //$NON-NLS-1$ //$NON-NLS-2$
 		}

 		usedDetail = NLS.bind(
 				"{0} {1}", used == 1 ? Messages.BugzillaFlagPart_used_flag + Messages.BugzillaFlagPart_is : Messages.BugzillaFlagPart_used_flags + Messages.BugzillaFlagPart_are, usedDetail); //$NON-NLS-1$
 		unusedDetail = NLS.bind(
 				"{0} {1}", unused == 1 ? Messages.BugzillaFlagPart_unused_flag + Messages.BugzillaFlagPart_is : Messages.BugzillaFlagPart_unused_flags + Messages.BugzillaFlagPart_are, unusedDetail); //$NON-NLS-1$
 		if (used > 0 && unused > 0) {
 			infoOverlayTooltipText = NLS.bind("{0}\n{1}", usedDetail, unusedDetail); //$NON-NLS-1$
 		} else {
 			infoOverlayTooltipText = used > 0 ? usedDetail : unusedDetail;
 		}
 	}

 	/**
 	 * Create a comparator by which attribute editors will be sorted. By default attribute editors are sorted by layout
 	 * hint priority. Subclasses may override this method to sort attribute editors in a custom way.
 	 *
 	 * @return comparator for {@link AbstractAttributeEditor} objects
 	 */
 	protected Comparator<AbstractAttributeEditor> createAttributeEditorSorter() {
 		return new Comparator<AbstractAttributeEditor>() {
 			public int compare(AbstractAttributeEditor o1, AbstractAttributeEditor o2) {
 				int p1 = (o1.getLayoutHint() != null) ? o1.getLayoutHint().getPriority() : LayoutHint.DEFAULT_PRIORITY;
 				int p2 = (o2.getLayoutHint() != null) ? o2.getLayoutHint().getPriority() : LayoutHint.DEFAULT_PRIORITY;
 				return p1 - p2;
 			}
 		};
 	}

 	private void createAttributeControls(Composite attributesComposite, FormToolkit toolkit, int columnCount) {
 		int currentColumn = 1;
 		int currentPriority = 0;
 		for (AbstractAttributeEditor attributeEditor : flagEditors) {
 			int priority = (attributeEditor.getLayoutHint() != null)
 					? attributeEditor.getLayoutHint().getPriority()
 					: LayoutHint.DEFAULT_PRIORITY;
 			if (priority != currentPriority) {
 				currentPriority = priority;
 				if (currentColumn > 1) {
 					while (currentColumn <= columnCount) {
 						getManagedForm().getToolkit().createLabel(attributesComposite, ""); //$NON-NLS-1$
 						currentColumn++;
 					}
 					currentColumn = 1;
 				}
 			}

 			if (attributeEditor.hasLabel()) {
 				attributeEditor.createLabelControl(attributesComposite, toolkit);
 				Label label = attributeEditor.getLabelControl();
 				String text = label.getText();
 				String shortenText = TaskDiffUtil.shortenText(label, text, LABEL_WIDTH);
 				label.setText(shortenText);
 				if (!text.equals(shortenText)) {
 					label.setToolTipText(text);
 				}
 				GridData gd = GridDataFactory.fillDefaults()
 						.align(SWT.RIGHT, SWT.CENTER)
 						.hint(LABEL_WIDTH, SWT.DEFAULT)
 						.create();
 				if (currentColumn > 1) {
 					gd.horizontalIndent = COLUMN_GAP;
 					gd.widthHint = LABEL_WIDTH + COLUMN_GAP;
 				}
 				label.setLayoutData(gd);
 				currentColumn++;
 			}

 			attributeEditor.createControl(attributesComposite, toolkit);
 			LayoutHint layoutHint = attributeEditor.getLayoutHint();
 			GridData gd = new GridData(SWT.FILL, SWT.CENTER, false, false);
 			if (layoutHint != null
 					&& !(layoutHint.rowSpan == RowSpan.SINGLE && layoutHint.columnSpan == ColumnSpan.SINGLE)) {
 				if (layoutHint.rowSpan == RowSpan.MULTIPLE) {
 					gd.heightHint = MULTI_ROW_HEIGHT;
 				}
 				if (layoutHint.columnSpan == ColumnSpan.SINGLE) {
 					gd.widthHint = COLUMN_WIDTH;
 					gd.horizontalSpan = 1;
 				} else {
 					gd.widthHint = MULTI_COLUMN_WIDTH;
 					gd.horizontalSpan = columnCount - currentColumn + 1;
 				}
 			} else {
 				gd.widthHint = COLUMN_WIDTH;
 				gd.horizontalSpan = 1;
 			}
 			attributeEditor.getControl().setLayoutData(gd);

 			getTaskEditorPage().getAttributeEditorToolkit().adapt(attributeEditor);

 			currentColumn += gd.horizontalSpan;
 			currentColumn %= columnCount;
 		}
 	}

 	protected String getInfoOverlayText() {
 		return infoOverlayText;
 	}

 	protected String getInfoOverlayTooltipText() {
 		return infoOverlayTooltipText;
 	}

 	private void createInfoOverlay(Composite composite, Section section, FormToolkit toolkit) {
 		String text = getInfoOverlayText();
 		if (text == null) {
 			return;
 		}

 		final Label label = toolkit.createLabel(composite, LegacyActionTools.escapeMnemonics(text));
 		label.setForeground(toolkit.getColors().getColor(IFormColors.TITLE));
 		label.setBackground(null);
 		label.setVisible(!section.isExpanded());
 		label.setToolTipText(getInfoOverlayTooltipText());

 		section.addExpansionListener(new ExpansionAdapter() {
 			@Override
 			public void expansionStateChanging(ExpansionEvent e) {
 				label.setVisible(!e.getState());
 			}
 		});
 	}

 	@Override
 	protected void setSection(FormToolkit toolkit, Section section) {
 		if (section.getTextClient() == null) {
 			ToolBarManager toolBarManager = new ToolBarManager(SWT.FLAT);
 			fillToolBar(toolBarManager);

 			if (toolBarManager.getSize() > 0 || getInfoOverlayText() != null) {
 				Composite toolbarComposite = toolkit.createComposite(section);
 				toolbarComposite.setBackground(null);
 				RowLayout rowLayout = new RowLayout();
 				rowLayout.marginLeft = 0;
 				rowLayout.marginRight = 0;
 				rowLayout.marginTop = 0;
 				rowLayout.marginBottom = 0;
 				rowLayout.center = true;
 				toolbarComposite.setLayout(rowLayout);

 				createInfoOverlay(toolbarComposite, section, toolkit);

 				toolBarManager.createControl(toolbarComposite);
 				section.clientVerticalSpacing = 0;
 				section.descriptionVerticalSpacing = 0;
 				section.setTextClient(toolbarComposite);
 			}
 		}
 		setControl(section);
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2011, 2013 Frank Becker and others.
	*
	* This program and the accompanying materials are made available under the
	* terms of the Eclipse Public License v. 2.0 which is available at
	* https://www.eclipse.org/legal/epl-2.0
	*
	* SPDX-License-Identifier: EPL-2.0
	*
	* Contributors:
	* Frank Becker - initial API and implementation
	*******************************************************************************/

	package org.eclipse.mylyn.internal.bugzilla.ui.editor;

	import java.util.ArrayList;
	import java.util.Collections;
	import java.util.Comparator;
	import java.util.List;
	import java.util.Map;

	import org.eclipse.jface.action.LegacyActionTools;
	import org.eclipse.jface.action.ToolBarManager;
	import org.eclipse.jface.layout.GridDataFactory;
	import org.eclipse.mylyn.internal.bugzilla.core.BugzillaAttribute;
	import org.eclipse.mylyn.internal.tasks.ui.editors.EditorUtil;
	import org.eclipse.mylyn.internal.tasks.ui.notifications.TaskDiffUtil;
	import org.eclipse.mylyn.tasks.core.data.TaskAttribute;
	import org.eclipse.mylyn.tasks.ui.editors.AbstractAttributeEditor;
	import org.eclipse.mylyn.tasks.ui.editors.AbstractTaskEditorPart;
	import org.eclipse.mylyn.tasks.ui.editors.LayoutHint;
	import org.eclipse.mylyn.tasks.ui.editors.LayoutHint.ColumnSpan;
	import org.eclipse.mylyn.tasks.ui.editors.LayoutHint.RowSpan;
	import org.eclipse.osgi.util.NLS;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.layout.RowLayout;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.ui.forms.IFormColors;
	import org.eclipse.ui.forms.events.ExpansionAdapter;
	import org.eclipse.ui.forms.events.ExpansionEvent;
	import org.eclipse.ui.forms.widgets.ExpandableComposite;
	import org.eclipse.ui.forms.widgets.FormToolkit;
	import org.eclipse.ui.forms.widgets.Section;

	@SuppressWarnings("restriction")
	public class BugzillaFlagPart extends AbstractTaskEditorPart {
	private static final int LABEL_WIDTH = 110;

	private static final int COLUMN_WIDTH = 140;

	private static final int COLUMN_GAP = 20;

	private static final int MULTI_COLUMN_WIDTH = COLUMN_WIDTH + 5 + COLUMN_GAP + LABEL_WIDTH + 5 + COLUMN_WIDTH;

	private static final int MULTI_ROW_HEIGHT = 55;

	private boolean hasIncoming;

	private List<AbstractAttributeEditor> flagEditors;

	private String infoOverlayText = null;

	private String infoOverlayTooltipText = null;

	public BugzillaFlagPart() {
	setPartName(Messages.BugzillaFlagPart_Flags_PartName);
	}

	@Override
	public void createControl(Composite parent, FormToolkit toolkit) {
	initialize();
	int style = ExpandableComposite.TWISTIE \| ExpandableComposite.LEFT_TEXT_CLIENT_ALIGNMENT;
	if (hasIncoming) {
	style \|= ExpandableComposite.EXPANDED;
	}
	Section flagSection = createSection(parent, toolkit, style);
	EditorUtil.setTitleBarForeground(flagSection, toolkit.getColors().getColor(IFormColors.TITLE));

	GridLayout gl = new GridLayout();
	GridData gd = new GridData(SWT.FILL, SWT.NONE, false, false);
	gd.horizontalSpan = 4;
	flagSection.setLayout(gl);
	flagSection.setLayoutData(gd);

	Composite flagComposite = toolkit.createComposite(flagSection);

	GridLayout flagsLayout = EditorUtil.createSectionClientLayout();
	flagsLayout.numColumns = 4;
	flagsLayout.horizontalSpacing = 7;
	flagsLayout.verticalSpacing = 6;
	flagComposite.setLayout(flagsLayout);

	GridData flagsData = new GridData(GridData.FILL_BOTH);
	flagsData.horizontalSpan = 1;
	flagsData.grabExcessVerticalSpace = false;
	flagComposite.setLayoutData(flagsData);
	GridDataFactory.fillDefaults().align(SWT.FILL, SWT.TOP).grab(true, false).applyTo(flagComposite);

	createAttributeControls(flagComposite, toolkit, flagsLayout.numColumns);
	flagSection.setClient(flagComposite);
	toolkit.paintBordersFor(flagComposite);
	setSection(toolkit, flagSection);
	}

	private void initialize() {
	hasIncoming = false;
	flagEditors = new ArrayList<AbstractAttributeEditor>();
	int used = 0;
	int unused = 0;
	String usedDetail = ""; //$NON-NLS-1$
	String unusedDetail = ""; //$NON-NLS-1$
	Map<String, TaskAttribute> attributes = getTaskData().getRoot().getAttributes();
	for (TaskAttribute attribute : attributes.values()) {
	if (!BugzillaAttribute.KIND_FLAG.equals(attribute.getMetaData().getKind())) {
	continue;
	}

	TaskAttribute stateAttribute = attribute.getAttribute("state"); //$NON-NLS-1$
	if (stateAttribute == null) {
	continue;
	}
	String val = stateAttribute.getValue();
	if (val != null && !val.equals("") && !val.equals(" ")) { //$NON-NLS-1$ //$NON-NLS-2$
	if (used > 0) {
	usedDetail += ", "; //$NON-NLS-1$
	}
	used++;
	usedDetail += stateAttribute.getMetaData().getLabel();
	} else {
	if (unused > 0) {
	unusedDetail += ", "; //$NON-NLS-1$
	}
	unused++;
	unusedDetail += stateAttribute.getMetaData().getLabel();
	}
	AbstractAttributeEditor attributeEditor = createAttributeEditor(attribute);
	if (attributeEditor != null) {
	flagEditors.add(attributeEditor);
	if (getModel().hasIncomingChanges(attribute)) {
	hasIncoming = true;
	}
	}
	}
	Comparator<AbstractAttributeEditor> attributeSorter = createAttributeEditorSorter();
	if (attributeSorter != null) {
	Collections.sort(flagEditors, attributeSorter);
	}

	if (used > 0) {
	infoOverlayText = NLS.bind(
	" " + Messages.BugzillaFlagPart_Fleg_Section_Title, "" + (unused + used), "" + used); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
	} else {
	infoOverlayText = NLS.bind(" " + Messages.BugzillaFlagPart_Fleg_Section_Title_Short, "" + (unused + used)); //$NON-NLS-1$ //$NON-NLS-2$
	}

	usedDetail = NLS.bind(
	"{0} {1}", used == 1 ? Messages.BugzillaFlagPart_used_flag + Messages.BugzillaFlagPart_is : Messages.BugzillaFlagPart_used_flags + Messages.BugzillaFlagPart_are, usedDetail); //$NON-NLS-1$
	unusedDetail = NLS.bind(
	"{0} {1}", unused == 1 ? Messages.BugzillaFlagPart_unused_flag + Messages.BugzillaFlagPart_is : Messages.BugzillaFlagPart_unused_flags + Messages.BugzillaFlagPart_are, unusedDetail); //$NON-NLS-1$
	if (used > 0 && unused > 0) {
	infoOverlayTooltipText = NLS.bind("{0}\n{1}", usedDetail, unusedDetail); //$NON-NLS-1$
	} else {
	infoOverlayTooltipText = used > 0 ? usedDetail : unusedDetail;
	}
	}

	/**
	* Create a comparator by which attribute editors will be sorted. By default attribute editors are sorted by layout
	* hint priority. Subclasses may override this method to sort attribute editors in a custom way.
	*
	* @return comparator for {@link AbstractAttributeEditor} objects
	*/
	protected Comparator<AbstractAttributeEditor> createAttributeEditorSorter() {
	return new Comparator<AbstractAttributeEditor>() {
	public int compare(AbstractAttributeEditor o1, AbstractAttributeEditor o2) {
	int p1 = (o1.getLayoutHint() != null) ? o1.getLayoutHint().getPriority() : LayoutHint.DEFAULT_PRIORITY;
	int p2 = (o2.getLayoutHint() != null) ? o2.getLayoutHint().getPriority() : LayoutHint.DEFAULT_PRIORITY;
	return p1 - p2;
	}
	};
	}

	private void createAttributeControls(Composite attributesComposite, FormToolkit toolkit, int columnCount) {
	int currentColumn = 1;
	int currentPriority = 0;
	for (AbstractAttributeEditor attributeEditor : flagEditors) {
	int priority = (attributeEditor.getLayoutHint() != null)
	? attributeEditor.getLayoutHint().getPriority()
	: LayoutHint.DEFAULT_PRIORITY;
	if (priority != currentPriority) {
	currentPriority = priority;
	if (currentColumn > 1) {
	while (currentColumn <= columnCount) {
	getManagedForm().getToolkit().createLabel(attributesComposite, ""); //$NON-NLS-1$
	currentColumn++;
	}
	currentColumn = 1;
	}
	}

	if (attributeEditor.hasLabel()) {
	attributeEditor.createLabelControl(attributesComposite, toolkit);
	Label label = attributeEditor.getLabelControl();
	String text = label.getText();
	String shortenText = TaskDiffUtil.shortenText(label, text, LABEL_WIDTH);
	label.setText(shortenText);
	if (!text.equals(shortenText)) {
	label.setToolTipText(text);
	}
	GridData gd = GridDataFactory.fillDefaults()
	.align(SWT.RIGHT, SWT.CENTER)
	.hint(LABEL_WIDTH, SWT.DEFAULT)
	.create();
	if (currentColumn > 1) {
	gd.horizontalIndent = COLUMN_GAP;
	gd.widthHint = LABEL_WIDTH + COLUMN_GAP;
	}
	label.setLayoutData(gd);
	currentColumn++;
	}

	attributeEditor.createControl(attributesComposite, toolkit);
	LayoutHint layoutHint = attributeEditor.getLayoutHint();
	GridData gd = new GridData(SWT.FILL, SWT.CENTER, false, false);
	if (layoutHint != null
	&& !(layoutHint.rowSpan == RowSpan.SINGLE && layoutHint.columnSpan == ColumnSpan.SINGLE)) {
	if (layoutHint.rowSpan == RowSpan.MULTIPLE) {
	gd.heightHint = MULTI_ROW_HEIGHT;
	}
	if (layoutHint.columnSpan == ColumnSpan.SINGLE) {
	gd.widthHint = COLUMN_WIDTH;
	gd.horizontalSpan = 1;
	} else {
	gd.widthHint = MULTI_COLUMN_WIDTH;
	gd.horizontalSpan = columnCount - currentColumn + 1;
	}
	} else {
	gd.widthHint = COLUMN_WIDTH;
	gd.horizontalSpan = 1;
	}
	attributeEditor.getControl().setLayoutData(gd);

	getTaskEditorPage().getAttributeEditorToolkit().adapt(attributeEditor);

	currentColumn += gd.horizontalSpan;
	currentColumn %= columnCount;
	}
	}

	protected String getInfoOverlayText() {
	return infoOverlayText;
	}

	protected String getInfoOverlayTooltipText() {
	return infoOverlayTooltipText;
	}

	private void createInfoOverlay(Composite composite, Section section, FormToolkit toolkit) {
	String text = getInfoOverlayText();
	if (text == null) {
	return;
	}

	final Label label = toolkit.createLabel(composite, LegacyActionTools.escapeMnemonics(text));
	label.setForeground(toolkit.getColors().getColor(IFormColors.TITLE));
	label.setBackground(null);
	label.setVisible(!section.isExpanded());
	label.setToolTipText(getInfoOverlayTooltipText());

	section.addExpansionListener(new ExpansionAdapter() {
	@Override
	public void expansionStateChanging(ExpansionEvent e) {
	label.setVisible(!e.getState());
	}
	});
	}

	@Override
	protected void setSection(FormToolkit toolkit, Section section) {
	if (section.getTextClient() == null) {
	ToolBarManager toolBarManager = new ToolBarManager(SWT.FLAT);
	fillToolBar(toolBarManager);

	if (toolBarManager.getSize() > 0 \|\| getInfoOverlayText() != null) {
	Composite toolbarComposite = toolkit.createComposite(section);
	toolbarComposite.setBackground(null);
	RowLayout rowLayout = new RowLayout();
	rowLayout.marginLeft = 0;
	rowLayout.marginRight = 0;
	rowLayout.marginTop = 0;
	rowLayout.marginBottom = 0;
	rowLayout.center = true;
	toolbarComposite.setLayout(rowLayout);

	createInfoOverlay(toolbarComposite, section, toolkit);

	toolBarManager.createControl(toolbarComposite);
	section.clientVerticalSpacing = 0;
	section.descriptionVerticalSpacing = 0;
	section.setTextClient(toolbarComposite);
	}
	}
	setControl(section);
	}
	}