Java tutorial
/******************************************************************************* * Copyright (c) 2004, 2013 Tasktop Technologies 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: * Tasktop Technologies - initial API and implementation *******************************************************************************/ package org.eclipse.mylyn.internal.tasks.ui.dialogs; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.List; import org.eclipse.jface.preference.PreferenceDialog; import org.eclipse.jface.window.Window; import org.eclipse.mylyn.commons.ui.CommonImages; import org.eclipse.mylyn.commons.ui.compatibility.CommonFonts; import org.eclipse.mylyn.commons.ui.compatibility.CommonThemes; import org.eclipse.mylyn.tasks.core.AbstractRepositoryConnector; import org.eclipse.mylyn.tasks.core.IRepositoryElement; import org.eclipse.mylyn.tasks.core.ITask; import org.eclipse.mylyn.tasks.core.ITask.PriorityLevel; import org.eclipse.mylyn.tasks.ui.AbstractRepositoryConnectorUi; import org.eclipse.mylyn.tasks.ui.ITasksUiConstants; import org.eclipse.mylyn.tasks.ui.LegendElement; import org.eclipse.mylyn.tasks.ui.TaskElementLabelProvider; import org.eclipse.mylyn.tasks.ui.TasksUi; import org.eclipse.mylyn.tasks.ui.TasksUiImages; import org.eclipse.mylyn.tasks.ui.TasksUiUtil; import org.eclipse.swt.SWT; import org.eclipse.swt.events.DisposeEvent; import org.eclipse.swt.events.DisposeListener; import org.eclipse.swt.graphics.Point; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Label; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.dialogs.PreferencesUtil; import org.eclipse.ui.forms.events.HyperlinkEvent; import org.eclipse.ui.forms.events.IHyperlinkListener; import org.eclipse.ui.forms.widgets.ExpandableComposite; import org.eclipse.ui.forms.widgets.FormToolkit; import org.eclipse.ui.forms.widgets.Hyperlink; import org.eclipse.ui.forms.widgets.ScrolledForm; import org.eclipse.ui.forms.widgets.Section; import org.eclipse.ui.forms.widgets.TableWrapData; import org.eclipse.ui.forms.widgets.TableWrapLayout; import org.eclipse.ui.themes.IThemeManager; /** * @author Mik Kersten * @author Leo Dos Santos */ public class UiLegendControl extends Composite { private final FormToolkit toolkit; private Window window = null; private final TaskElementLabelProvider labelProvider = new TaskElementLabelProvider(false); private final IThemeManager themeManager = PlatformUI.getWorkbench().getThemeManager(); private final ArrayList<LegendElement> legendElements = new ArrayList<LegendElement>(); public UiLegendControl(Composite parent, FormToolkit toolkit) { this(parent, toolkit, true, SWT.VERTICAL); } public UiLegendControl(Composite parent, FormToolkit toolkit, boolean showConnectors, int style) { super(parent, SWT.NONE); this.toolkit = toolkit; toolkit.adapt(this); addDisposeListener(new DisposeListener() { public void widgetDisposed(DisposeEvent e) { doDispose(); } }); TableWrapLayout layout = new TableWrapLayout(); layout.leftMargin = 0; layout.rightMargin = 0; layout.topMargin = 0; layout.bottomMargin = 0; if (style == SWT.DEFAULT) { createContentsVertical(layout, showConnectors); } else if ((style & SWT.HORIZONTAL) != 0) { createContentsHorizontal(layout, showConnectors); } else { createContentsVertical(layout, showConnectors); } setLayout(layout); setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB, TableWrapData.FILL_GRAB)); } private void doDispose() { for (LegendElement element : legendElements) { element.dispose(); } if (labelProvider != null) { labelProvider.dispose(); } } public void setWindow(Window window) { this.window = window; } public boolean close() { if (window != null) { return window.close(); } else { return false; } } private void createContentsHorizontal(TableWrapLayout layout, boolean showConnectors) { layout.numColumns = 2; createTasksPrioritiesSection(this); createContextSection(this); createActivitySection(this); createSynchronizationSection(this); Composite subComp = toolkit.createComposite(this); TableWrapLayout subLayout = new TableWrapLayout(); subLayout.topMargin = 0; subLayout.bottomMargin = 0; subLayout.leftMargin = 0; subLayout.rightMargin = 0; subComp.setLayout(subLayout); subComp.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB, TableWrapData.FILL_GRAB, 1, 2)); if (showConnectors) { createConnectorsSection(subComp); } createGettingStartedSection(subComp); } private void createContentsVertical(TableWrapLayout layout, boolean showConnectors) { layout.numColumns = 1; createTasksPrioritiesSection(this); createActivitySection(this); createContextSection(this); createSynchronizationSection(this); if (showConnectors) { createConnectorsSection(this); } createGettingStartedSection(this); } private void createTasksPrioritiesSection(Composite parent) { TableWrapLayout layout = new TableWrapLayout(); layout.numColumns = 2; layout.makeColumnsEqualWidth = true; layout.leftMargin = 0; layout.rightMargin = 0; layout.topMargin = 0; layout.bottomMargin = 0; Composite composite = toolkit.createComposite(parent); composite.setLayout(layout); composite.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB)); createTasksSection(composite); createPrioritiesSection(composite); } private void createTasksSection(Composite parent) { Section tasksSection = toolkit.createSection(parent, ExpandableComposite.TITLE_BAR); tasksSection.setText(Messages.UiLegendControl_Tasks); tasksSection.setLayout(new TableWrapLayout()); tasksSection.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB)); TableWrapLayout layout = new TableWrapLayout(); layout.numColumns = 2; layout.makeColumnsEqualWidth = false; layout.verticalSpacing = 1; layout.topMargin = 1; layout.bottomMargin = 1; Composite tasksClient = toolkit.createComposite(tasksSection); tasksClient.setLayout(layout); tasksClient.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB)); tasksSection.setClient(tasksClient); Label imageLabel; imageLabel = toolkit.createLabel(tasksClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(TasksUiImages.TASK)); toolkit.createLabel(tasksClient, Messages.UiLegendControl_Task); imageLabel = toolkit.createLabel(tasksClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(TasksUiImages.CATEGORY)); toolkit.createLabel(tasksClient, Messages.UiLegendControl_Category); imageLabel = toolkit.createLabel(tasksClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(TasksUiImages.QUERY)); toolkit.createLabel(tasksClient, Messages.UiLegendControl_Query); imageLabel = toolkit.createLabel(tasksClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(CommonImages.CALENDAR)); toolkit.createLabel(tasksClient, Messages.UiLegendControl_Date_range); imageLabel = toolkit.createLabel(tasksClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(CommonImages.BLANK)); Hyperlink openView = toolkit.createHyperlink(tasksClient, Messages.UiLegendControl_Open_Task_List_, SWT.WRAP); openView.addHyperlinkListener(new IHyperlinkListener() { public void linkActivated(HyperlinkEvent e) { close(); TasksUiUtil.openTasksViewInActivePerspective(); } public void linkEntered(HyperlinkEvent e) { // ignore } public void linkExited(HyperlinkEvent e) { // ignore } }); } private void createPrioritiesSection(Composite parent) { Section prioritiesSection = toolkit.createSection(parent, ExpandableComposite.TITLE_BAR); prioritiesSection.setText(Messages.UiLegendControl_Priorities); prioritiesSection.setLayout(new TableWrapLayout()); prioritiesSection.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB)); TableWrapLayout layout = new TableWrapLayout(); layout.numColumns = 2; layout.makeColumnsEqualWidth = false; layout.verticalSpacing = 1; layout.topMargin = 1; layout.bottomMargin = 1; Composite prioritiesClient = toolkit.createComposite(prioritiesSection); prioritiesClient.setLayout(layout); prioritiesClient.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB)); prioritiesSection.setClient(prioritiesClient); Label imageLabel; imageLabel = toolkit.createLabel(prioritiesClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(CommonImages.PRIORITY_1)); toolkit.createLabel(prioritiesClient, PriorityLevel.P1.getDescription()); imageLabel = toolkit.createLabel(prioritiesClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(CommonImages.PRIORITY_2)); toolkit.createLabel(prioritiesClient, PriorityLevel.P2.getDescription()); imageLabel = toolkit.createLabel(prioritiesClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(CommonImages.PRIORITY_3)); toolkit.createLabel(prioritiesClient, PriorityLevel.P3.getDescription() + Messages.UiLegendControl__default_); imageLabel = toolkit.createLabel(prioritiesClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(CommonImages.PRIORITY_4)); toolkit.createLabel(prioritiesClient, PriorityLevel.P4.getDescription()); imageLabel = toolkit.createLabel(prioritiesClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(CommonImages.PRIORITY_5)); toolkit.createLabel(prioritiesClient, PriorityLevel.P5.getDescription()); } private void createActivitySection(Composite parent) { Section activitySection = toolkit.createSection(parent, ExpandableComposite.TITLE_BAR); activitySection.setText(Messages.UiLegendControl_Task_Activity); activitySection.setLayout(new TableWrapLayout()); activitySection.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB)); TableWrapLayout layout = new TableWrapLayout(); layout.numColumns = 2; layout.makeColumnsEqualWidth = false; layout.verticalSpacing = 1; layout.topMargin = 1; layout.bottomMargin = 1; Composite activityClient = toolkit.createComposite(activitySection); activityClient.setLayout(layout); activityClient.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB)); activitySection.setClient(activityClient); Label imageLabel = toolkit.createLabel(activityClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(TasksUiImages.TASK)); Label labelToday = toolkit.createLabel(activityClient, Messages.UiLegendControl_Scheduled_for_today); labelToday.setForeground( themeManager.getCurrentTheme().getColorRegistry().get(CommonThemes.COLOR_SCHEDULED_TODAY)); imageLabel = toolkit.createLabel(activityClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(TasksUiImages.TASK)); Label labelOverdue = toolkit.createLabel(activityClient, Messages.UiLegendControl_Past_scheduled_date); labelOverdue.setForeground( themeManager.getCurrentTheme().getColorRegistry().get(CommonThemes.COLOR_SCHEDULED_PAST)); // imageLabel = toolkit.createLabel(activityClient, ""); // imageLabel.setImage(TasksUiImages.getImage(TasksUiImages.TASK)); // Label labelThisWeek = toolkit.createLabel(activityClient, "Scheduled for this // week"); // labelThisWeek.setForeground(themeManager.getCurrentTheme().getColorRegistry().get( // TaskListColorsAndFonts.THEME_COLOR_TASK_THISWEEK_SCHEDULED)); imageLabel = toolkit.createLabel(activityClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(TasksUiImages.TASK)); Label labelCompleted = toolkit.createLabel(activityClient, Messages.UiLegendControl_Completed); labelCompleted.setFont(CommonFonts.STRIKETHROUGH); // labelCompleted.setForeground(TaskListColorsAndFonts.COLOR_TASK_COMPLETED); labelCompleted .setForeground(themeManager.getCurrentTheme().getColorRegistry().get(CommonThemes.COLOR_COMPLETED)); imageLabel = toolkit.createLabel(activityClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(TasksUiImages.TASK)); Label labelCompletedToday = toolkit.createLabel(activityClient, Messages.UiLegendControl_Completed_today); labelCompletedToday.setFont(CommonFonts.STRIKETHROUGH); labelCompletedToday.setForeground( themeManager.getCurrentTheme().getColorRegistry().get(CommonThemes.COLOR_COMPLETED_TODAY)); imageLabel = toolkit.createLabel(activityClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(CommonImages.OVERLAY_DATE_DUE)); toolkit.createLabel(activityClient, Messages.UiLegendControl_Has_Due_date); imageLabel = toolkit.createLabel(activityClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(CommonImages.OVERLAY_DATE_OVERDUE)); Label textLabel = toolkit.createLabel(activityClient, Messages.UiLegendControl_Past_due_date); textLabel.setForeground(themeManager.getCurrentTheme().getColorRegistry().get(CommonThemes.COLOR_OVERDUE)); imageLabel = toolkit.createLabel(activityClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(TasksUiImages.NOTES)); toolkit.createLabel(activityClient, Messages.UiLegendControl_Notes); imageLabel = toolkit.createLabel(activityClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(CommonImages.BLANK)); Hyperlink adjust = toolkit.createHyperlink(activityClient, Messages.UiLegendControl_Adjust_Colors_and_Fonts_, SWT.WRAP); adjust.addHyperlinkListener(new IHyperlinkListener() { public void linkActivated(HyperlinkEvent e) { PreferenceDialog dlg = PreferencesUtil.createPreferenceDialogOn( PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), ITasksUiConstants.ID_PREFERENCES_COLORS_AND_FONTS, new String[] { ITasksUiConstants.ID_PREFERENCES_COLORS_AND_FONTS }, null); dlg.open(); } public void linkEntered(HyperlinkEvent e) { // ignore } public void linkExited(HyperlinkEvent e) { // ignore } }); } private void createContextSection(Composite parent) { Section contextSection = toolkit.createSection(parent, ExpandableComposite.TITLE_BAR); contextSection.setText(Messages.UiLegendControl_Task_Context); contextSection.setLayout(new TableWrapLayout()); contextSection.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB)); TableWrapLayout layout = new TableWrapLayout(); layout.numColumns = 2; layout.makeColumnsEqualWidth = false; layout.verticalSpacing = 1; layout.topMargin = 1; layout.bottomMargin = 1; Composite contextClient = toolkit.createComposite(contextSection); contextClient.setLayout(layout); contextClient.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB)); contextSection.setClient(contextClient); Label imageLabel; imageLabel = toolkit.createLabel(contextClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(TasksUiImages.CONTEXT_FOCUS)); toolkit.createLabel(contextClient, Messages.UiLegendControl_Focus_view_on_active_task); imageLabel = toolkit.createLabel(contextClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(TasksUiImages.CONTEXT_INACTIVE_EMPTY)); toolkit.createLabel(contextClient, Messages.UiLegendControl_Inactive_task_with_no_context); imageLabel = toolkit.createLabel(contextClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(TasksUiImages.CONTEXT_INACTIVE)); toolkit.createLabel(contextClient, Messages.UiLegendControl_Inactive_task_with_context); imageLabel = toolkit.createLabel(contextClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(TasksUiImages.CONTEXT_ACTIVE)); toolkit.createLabel(contextClient, Messages.UiLegendControl_Active_task); } private void createSynchronizationSection(Composite parent) { Section synchroSection = toolkit.createSection(parent, ExpandableComposite.TITLE_BAR); synchroSection.setText(Messages.UiLegendControl_Synchronization); synchroSection.setLayout(new TableWrapLayout()); synchroSection.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB)); TableWrapLayout layout = new TableWrapLayout(); layout.numColumns = 2; layout.makeColumnsEqualWidth = false; layout.verticalSpacing = 3; layout.topMargin = 1; layout.bottomMargin = 1; Composite synchroClient = toolkit.createComposite(synchroSection); synchroClient.setLayout(layout); synchroClient.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB)); synchroSection.setClient(synchroClient); Label imageLabel; imageLabel = toolkit.createLabel(synchroClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(CommonImages.OVERLAY_SYNC_INCOMMING_NEW)); toolkit.createLabel(synchroClient, Messages.UiLegendControl_New_task); imageLabel = toolkit.createLabel(synchroClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(CommonImages.OVERLAY_SYNC_INCOMMING)); toolkit.createLabel(synchroClient, Messages.UiLegendControl_Incoming_changes); imageLabel = toolkit.createLabel(synchroClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(CommonImages.OVERLAY_SYNC_OUTGOING)); toolkit.createLabel(synchroClient, Messages.UiLegendControl_Outgoing_changes); imageLabel = toolkit.createLabel(synchroClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(CommonImages.OVERLAY_SYNC_OUTGOING_NEW)); toolkit.createLabel(synchroClient, Messages.UiLegendControl_Unsubmitted_outgoing_changes); imageLabel = toolkit.createLabel(synchroClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(CommonImages.OVERLAY_SYNC_WARNING)); toolkit.createLabel(synchroClient, Messages.UiLegendControl_Synchronization_failed); imageLabel = toolkit.createLabel(synchroClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(CommonImages.OVERLAY_SYNC_ERROR)); toolkit.createLabel(synchroClient, Messages.UiLegendControl_Synchronization_error); imageLabel = toolkit.createLabel(synchroClient, ""); //$NON-NLS-1$ imageLabel.setImage(CommonImages.getImage(CommonImages.OVERLAY_SYNC_CONFLICT)); toolkit.createLabel(synchroClient, Messages.UiLegendControl_Conflicting_changes); } private void createConnectorsSection(Composite parent) { TableWrapLayout layout = new TableWrapLayout(); layout.makeColumnsEqualWidth = true; layout.leftMargin = 0; layout.rightMargin = 0; layout.topMargin = 0; layout.bottomMargin = 0; ScrolledForm composite = toolkit.createScrolledForm(parent); composite.getBody().setLayout(layout); TableWrapData data = new TableWrapData(TableWrapData.FILL); composite.setLayoutData(data); List<AbstractRepositoryConnector> connectors = new ArrayList<AbstractRepositoryConnector>( TasksUi.getRepositoryManager().getRepositoryConnectors()); Collections.sort(connectors, new Comparator<AbstractRepositoryConnector>() { public int compare(AbstractRepositoryConnector o1, AbstractRepositoryConnector o2) { return o1.getLabel().compareToIgnoreCase(o2.getLabel()); } }); for (AbstractRepositoryConnector connector : connectors) { AbstractRepositoryConnectorUi connectorUi = TasksUi .getRepositoryConnectorUi(connector.getConnectorKind()); if (connectorUi != null) { List<LegendElement> elements = connectorUi.getLegendElements(); if (elements != null && elements.size() > 0) { legendElements.addAll(elements); addLegendElements(composite.getBody(), connector, elements); } else { List<ITask> items = connectorUi.getLegendItems(); if (items != null && !items.isEmpty()) { addLegacyLegendItems(composite, connector, items); } } } } layout.numColumns = Math.max(composite.getBody().getChildren().length, 1); // show 3 columns by default Point w = composite.computeSize(SWT.DEFAULT, SWT.DEFAULT); data.maxWidth = (w.x / layout.numColumns) * 3; } private void addLegendElements(Composite composite, AbstractRepositoryConnector connector, List<LegendElement> elements) { Section connectorSection = toolkit.createSection(composite, ExpandableComposite.TITLE_BAR); connectorSection.setLayout(new TableWrapLayout()); connectorSection.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB)); String label = connector.getLabel(); int parenIndex = label.indexOf('('); if (parenIndex != -1) { label = label.substring(0, parenIndex); } connectorSection.setText(label); TableWrapLayout clientLayout = new TableWrapLayout(); clientLayout.numColumns = 2; clientLayout.makeColumnsEqualWidth = false; clientLayout.verticalSpacing = 1; clientLayout.topMargin = 1; clientLayout.bottomMargin = 1; Composite connectorClient = toolkit.createComposite(connectorSection); connectorClient.setLayout(clientLayout); connectorClient.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB)); connectorSection.setClient(connectorClient); Label imageLabel; for (LegendElement element : elements) { imageLabel = toolkit.createLabel(connectorClient, ""); //$NON-NLS-1$ imageLabel.setImage(element.getImage()); toolkit.createLabel(connectorClient, element.getLabel()); } if (elements.size() < 4) { imageLabel = toolkit.createLabel(connectorClient, ""); //$NON-NLS-1$ toolkit.createLabel(connectorClient, ""); //$NON-NLS-1$ } } private void addLegacyLegendItems(Composite composite, AbstractRepositoryConnector connector, List<ITask> elements) { Section connectorSection = toolkit.createSection(composite, ExpandableComposite.TITLE_BAR); connectorSection.setLayout(new TableWrapLayout()); connectorSection.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB)); String label = connector.getLabel(); int parenIndex = label.indexOf('('); if (parenIndex != -1) { label = label.substring(0, parenIndex); } connectorSection.setText(label); TableWrapLayout clientLayout = new TableWrapLayout(); clientLayout.numColumns = 2; clientLayout.makeColumnsEqualWidth = false; clientLayout.verticalSpacing = 1; clientLayout.topMargin = 1; clientLayout.bottomMargin = 1; Composite connectorClient = toolkit.createComposite(connectorSection); connectorClient.setLayout(clientLayout); connectorClient.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB)); connectorSection.setClient(connectorClient); Label imageLabel; for (IRepositoryElement taskListElement : elements) { imageLabel = toolkit.createLabel(connectorClient, ""); //$NON-NLS-1$ imageLabel.setImage(labelProvider.getImage(taskListElement)); toolkit.createLabel(connectorClient, taskListElement.getSummary()); } if (elements.size() < 4) { imageLabel = toolkit.createLabel(connectorClient, ""); //$NON-NLS-1$ toolkit.createLabel(connectorClient, ""); //$NON-NLS-1$ } } private void createGettingStartedSection(Composite parent) { TableWrapLayout layout = new TableWrapLayout(); layout.verticalSpacing = 0; layout.leftMargin = 0; layout.rightMargin = 0; layout.topMargin = 0; layout.bottomMargin = 0; Composite hyperlinkClient = toolkit.createComposite(parent); hyperlinkClient.setLayout(layout); hyperlinkClient.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB)); Hyperlink gettingStartedLink = toolkit.createHyperlink(hyperlinkClient, Messages.UiLegendControl_Also_see_the_Getting_Started_documentation_online, SWT.WRAP); gettingStartedLink.addHyperlinkListener(new IHyperlinkListener() { public void linkActivated(HyperlinkEvent e) { close(); TasksUiUtil.openUrl(Messages.UiLegendControl_http_www_eclipse_org_mylyn_start); } public void linkEntered(HyperlinkEvent e) { // ignore } public void linkExited(HyperlinkEvent e) { // ignore } }); } }