Java Code Examples for org.eclipse.swt.widgets.Link#setLayoutData()

@Override
protected Control createLinkControl(Composite composite) {
	Link link= new Link(composite, SWT.WRAP);
	link.setText(ActionMessages.GenerateConstructorUsingFieldsSelectionDialog_template_link_message);
	link.addSelectionListener(new SelectionAdapter() {
		@Override
		public void widgetSelected(SelectionEvent e) {
			openCodeTempatePage(CodeTemplateContextType.CONSTRUCTORCOMMENT_ID);
		}
	});
	link.setToolTipText(ActionMessages.GenerateConstructorUsingFieldsSelectionDialog_template_link_tooltip);

	GridData gridData= new GridData(SWT.FILL, SWT.BEGINNING, true, false);
	gridData.widthHint= convertWidthInCharsToPixels(40); // only expand further if anyone else requires it
	link.setLayoutData(gridData);
	return link;
}
 

private void createHeader(Composite contents) {
	String text = PreferencesMessages.EditorConfigEditorPreferencePage_link;
	Link link = new Link(contents, SWT.NONE);
	link.setText(text);
	link.addSelectionListener(new SelectionAdapter() {
		@Override
		public void widgetSelected(SelectionEvent e) {
			if ("org.eclipse.ui.preferencePages.GeneralTextEditor".equals(e.text)) //$NON-NLS-1$
				PreferencesUtil.createPreferenceDialogOn(getShell(), e.text, null, null);
			else if ("org.eclipse.ui.preferencePages.ColorsAndFonts".equals(e.text)) //$NON-NLS-1$
				PreferencesUtil.createPreferenceDialogOn(getShell(), e.text, null,
						"selectFont:org.eclipse.jdt.ui.EditorConfigEditor.textfont"); //$NON-NLS-1$
		}
	});

	GridData gridData = new GridData(SWT.FILL, SWT.BEGINNING, true, false);
	gridData.widthHint = 150; // only expand further if anyone else requires
								// it
	link.setLayoutData(gridData);

	addFiller(contents);
}
 

public Control createContent(Composite composite) {
	fGroup= new Group(composite, SWT.NONE);
	fGroup.setFont(composite.getFont());
	fGroup.setLayout(initGridLayout(new GridLayout(3, false), true));
	fGroup.setText(NewWizardMessages.NewJavaProjectWizardPageOne_LayoutGroup_title);

	fStdRadio.doFillIntoGrid(fGroup, 3);
	LayoutUtil.setHorizontalGrabbing(fStdRadio.getSelectionButton(null));

	fSrcBinRadio.doFillIntoGrid(fGroup, 2);

	fPreferenceLink= new Link(fGroup, SWT.NONE);
	fPreferenceLink.setText(NewWizardMessages.NewJavaProjectWizardPageOne_LayoutGroup_link_description);
	fPreferenceLink.setLayoutData(new GridData(GridData.END, GridData.END, false, false));
	fPreferenceLink.addSelectionListener(this);

	updateEnableState();
	return fGroup;
}
 

public Control createControl(Composite composite) {
	fGroup= new Group(composite, SWT.NONE);
	fGroup.setFont(composite.getFont());
	fGroup.setLayout(initGridLayout(new GridLayout(2, false), true));
	fGroup.setText(NewWizardMessages.NewJavaProjectWizardPageOne_JREGroup_title);

	fUseEEJRE.doFillIntoGrid(fGroup, 1);
	Combo eeComboControl= fEECombo.getComboControl(fGroup);
	eeComboControl.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false));
	
	fUseProjectJRE.doFillIntoGrid(fGroup, 1);
	Combo comboControl= fJRECombo.getComboControl(fGroup);
	comboControl.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false));

	fUseDefaultJRE.doFillIntoGrid(fGroup, 1);

	fPreferenceLink= new Link(fGroup, SWT.NONE);
	fPreferenceLink.setFont(fGroup.getFont());
	fPreferenceLink.setText(NewWizardMessages.NewJavaProjectWizardPageOne_JREGroup_link_description);
	fPreferenceLink.setLayoutData(new GridData(GridData.END, GridData.CENTER, false, false));
	fPreferenceLink.addSelectionListener(this);

	updateEnableState();
	return fGroup;
}
 

/**
 * Creates a link.
 *
 * @param parent
 * @param text
 * @param tooltip
 * @param url
 */
private void createLink(Composite parent, String text, String tooltip, final String url){
    Link link = new Link(parent, SWT.NONE);
    link.setLayoutData(SWTUtil.createFillHorizontallyGridData());
    link.setText(text);
    link.setToolTipText(tooltip);
    link.setBackground(parent.getBackground());
    link.addListener (SWT.Selection, new Listener () {
        public void handleEvent(Event event) {
            try {
                Program.launch(url);
            } catch (Exception e){
                /* Ignore*/
            }
        }
    });
}
 

protected Link addLink(Composite parent, String label, Key key, SelectionListener linkListener, int indent, int widthHint) {
	GridData gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL);
	gd.horizontalSpan= 3;
	gd.horizontalIndent= indent;
	gd.widthHint= widthHint;

	Link link= new Link(parent, SWT.NONE);
	link.setFont(JFaceResources.getDialogFont());
	link.setText(label);
	link.setData(key);
	link.setLayoutData(gd);
	link.addSelectionListener(linkListener);

	makeScrollableCompositeAware(link);

	fLinks.add(link);

	return link;
}
 

private void createHeader(Composite contents) {
	final Shell shell= contents.getShell();
	String text= PreferencesMessages.JavaEditorPreferencePage_link;
	Link link= new Link(contents, SWT.NONE);
	link.setText(text);
	link.addSelectionListener(new SelectionAdapter() {
		@Override
		public void widgetSelected(SelectionEvent e) {
			if ("org.eclipse.ui.preferencePages.GeneralTextEditor".equals(e.text)) //$NON-NLS-1$
				PreferencesUtil.createPreferenceDialogOn(shell, e.text, null, null);
			else if ("org.eclipse.ui.preferencePages.ColorsAndFonts".equals(e.text)) //$NON-NLS-1$
				PreferencesUtil.createPreferenceDialogOn(shell, e.text, null, "selectFont:org.eclipse.jdt.ui.editors.textfont"); //$NON-NLS-1$
		}
	});

	GridData gridData= new GridData(SWT.FILL, SWT.BEGINNING, true, false);
	gridData.widthHint= 150; // only expand further if anyone else requires it
	link.setLayoutData(gridData);

	addFiller(contents);
}
 

@Override
protected Control createLinkControl(Composite composite) {
	Link link= new Link(composite, SWT.WRAP);
	link.setText(ActionMessages.AddUnimplementedConstructorsAction_template_link_message);
	link.addSelectionListener(new SelectionAdapter() {
		@Override
		public void widgetSelected(SelectionEvent e) {
			openCodeTempatePage(CodeTemplateContextType.CONSTRUCTORCOMMENT_ID);
		}
	});
	link.setToolTipText(ActionMessages.AddUnimplementedConstructorsAction_template_link_tooltip);

	GridData gridData= new GridData(SWT.FILL, SWT.BEGINNING, true, false);
	gridData.widthHint= convertWidthInCharsToPixels(40); // only expand further if anyone else requires it
	link.setLayoutData(gridData);
	return link;
}
 

@Override
protected Control createLinkControl(Composite composite) {
	Link link= new Link(composite, SWT.WRAP);
	link.setText(ActionMessages.AddGetterSetterAction_template_link_description);
	link.addSelectionListener(new SelectionAdapter() {
		@Override
		public void widgetSelected(SelectionEvent e) {
			openCodeTempatePage(CodeTemplateContextType.GETTERCOMMENT_ID);
		}
	});
	link.setToolTipText(ActionMessages.AddGetterSetterAction_template_link_tooltip);

	GridData gridData= new GridData(SWT.FILL, SWT.BEGINNING, true, false);
	gridData.widthHint= convertWidthInCharsToPixels(40); // only expand further if anyone else requires it
	link.setLayoutData(gridData);
	return link;
}
 

@Override
protected void createContentArea(Composite parent) {
  Link message = new Link(parent, SWT.WRAP);
  message.setText(Messages.getString("CloudSdkUpdateNotificationMessage", sdkVersion));
  message.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  message.addSelectionListener(
      new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent event) {
          linkSelected(event.text);
        }
      });
}
 

private Composite createEmptyBDMComposite(Composite parent) {
    Composite client = widgetFactory.createComposite(parent);
    client.setLayout(GridLayoutFactory.fillDefaults().create());
    client.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());

    Composite emptyBDMComposite = widgetFactory.createComposite(client);
    emptyBDMComposite.setLayout(GridLayoutFactory.fillDefaults().create());
    emptyBDMComposite
            .setLayoutData(GridDataFactory.fillDefaults().align(SWT.CENTER, SWT.CENTER).grab(true, true).create());

    final ImageHyperlink imageHyperlink = widgetFactory.createImageHyperlink(emptyBDMComposite, SWT.NO_FOCUS);
    imageHyperlink.setLayoutData(GridDataFactory.fillDefaults().align(SWT.CENTER, SWT.FILL).create());
    imageHyperlink.setImage(Pics.getImage("defineBdm_60.png", DataPlugin.getDefault()));
    imageHyperlink.addHyperlinkListener(new HyperlinkAdapter() {

        @Override
        public void linkActivated(HyperlinkEvent e) {
            commandExecutor.executeCommand(DEFINE_BDM_COMMAND, null);
        }
    });

    Link labelLink = new Link(emptyBDMComposite, SWT.NO_FOCUS);
    widgetFactory.adapt(labelLink, false, false);
    labelLink.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).align(SWT.FILL, SWT.CENTER).create());
    labelLink.setText(Messages.defineBdmTooltip);
    labelLink.addListener(SWT.Selection, e -> commandExecutor.executeCommand(DEFINE_BDM_COMMAND, null));

    return client;
}
 

/**
 * Creates a new link widget
 * @param parent the parent composite to add this link widget to
 * @param text the text for the link
 * @param hspan the horizontal span to take up in the parent composite
 * @return the new link
 */
public static Link createLink(Composite parent, String text, int hspan, SelectionAdapter listener) {
    Link l = new Link(parent, SWT.NONE);
    l.setFont(parent.getFont());
    l.setText(text);
    GridData gd = new GridData(GridData.FILL_HORIZONTAL);
    gd.horizontalSpan = hspan;
    gd.grabExcessHorizontalSpace = false;
    l.setLayoutData(gd);
    l.addSelectionListener(listener);
    return l;
}
 

private void createSwitchEditorControl(final TabbedPropertySheetWidgetFactory widgetFactory) {
    ((GridLayout) control.getLayout()).numColumns++;
    final Link switchControl = new Link(mc, SWT.NONE);
    switchControl.setLayoutData(GridDataFactory.fillDefaults().indent(15, 0).create());
    switchControl.setText(Messages.switchEditorCondition);
    switchControl.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(final SelectionEvent e) {
            switchEditorType();
        }
    });
}
 

/**
 * Log the status and inform the user about a misbehaving extension.
 *
 * @param descriptor the descriptor of the misbehaving extension
 * @param status a status object that will be logged
 */
void informUser(CompletionProposalComputerDescriptor descriptor, IStatus status) {
	JavaPlugin.log(status);
       String title= JavaTextMessages.CompletionProposalComputerRegistry_error_dialog_title;
       CompletionProposalCategory category= descriptor.getCategory();
       IContributor culprit= descriptor.getContributor();
       Set<String> affectedPlugins= getAffectedContributors(category, culprit);

	final String avoidHint;
	final String culpritName= culprit == null ? null : culprit.getName();
	if (affectedPlugins.isEmpty())
		avoidHint= Messages.format(JavaTextMessages.CompletionProposalComputerRegistry_messageAvoidanceHint, new Object[] {culpritName, category.getDisplayName()});
	else
		avoidHint= Messages.format(JavaTextMessages.CompletionProposalComputerRegistry_messageAvoidanceHintWithWarning, new Object[] {culpritName, category.getDisplayName(), toString(affectedPlugins)});

	String message= status.getMessage();
       // inlined from MessageDialog.openError
       MessageDialog dialog = new MessageDialog(JavaPlugin.getActiveWorkbenchShell(), title, null /* default image */, message, MessageDialog.ERROR, new String[] { IDialogConstants.OK_LABEL }, 0) {
       	@Override
		protected Control createCustomArea(Composite parent) {
       		Link link= new Link(parent, SWT.NONE);
       		link.setText(avoidHint);
       		link.addSelectionListener(new SelectionAdapter() {
       			@Override
				public void widgetSelected(SelectionEvent e) {
       				PreferencesUtil.createPreferenceDialogOn(getShell(), "org.eclipse.jdt.ui.preferences.CodeAssistPreferenceAdvanced", null, null).open(); //$NON-NLS-1$
       			}
       		});
       		GridData gridData= new GridData(SWT.FILL, SWT.BEGINNING, true, false);
       		gridData.widthHint= this.getMinimumMessageWidth();
			link.setLayoutData(gridData);
       		return link;
       	}
       };
       dialog.open();
}
 

protected Control createDialogArea(Composite parent)
{
	Composite main = new Composite(parent, SWT.NONE);
	main.setLayout(GridLayoutFactory.swtDefaults().create());
	main.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());

	Link infoLabel = new Link(main, SWT.WRAP);
	infoLabel.setText(message);
	infoLabel.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
	infoLabel.addSelectionListener(selectionListener);
	return main;
}
 

private void setHelpLink( Display display, String helpLink, int maxTextWidth, EnvironmentCase environment ) {
  link = new Link( shell, SWT.SINGLE | SWT.WRAP );
  link.setText( helpLink );
  if ( environment == EnvironmentCase.MAC_OS_X || environment == EnvironmentCase.MAC_OS_X_THIN ) {
    FontData[] fD = link.getFont().getFontData();
    fD[ 0 ].setHeight( 13 );
    link.setFont( new Font( display, fD[ 0 ] ) );
  }
  FormData fdlink = new FormData();
  fdlink.left = new FormAttachment( warningIcon, margin ); // Link should be below description right of icon
  fdlink.top = new FormAttachment( description, margin );
  fdlink.width = maxTextWidth;
  link.setLayoutData( fdlink );
  props.setLook( link );

  link.addListener( SWT.Selection, new Listener() {
    public void handleEvent( Event event ) {
      if ( Desktop.isDesktopSupported() ) {
        try {
          Desktop.getDesktop().browse( new URI( Const.getDocUrl( URI_PATH ) ) );
        } catch ( Exception e ) {
          log.logError( "Error opening external browser", e );
        }
      }
    }
  } );
}
 

@Override
public void createControl(Composite parent) {
	Composite res = new Composite(parent, SWT.NONE);
	res.setLayout(new GridLayout(2, false));

	new Label(res, SWT.NONE).setText(Messages.ChromeAttachTab_runWith);
	browserToUse = new ComboViewer(res, SWT.VERTICAL | SWT.DROP_DOWN | SWT.BORDER | SWT.READ_ONLY);
	browserToUse.setContentProvider(new ArrayContentProvider());
	browserToUse.setLabelProvider(new BrowserLabelProvider());
	proposals = new LinkedList<>();
	proposals.add(""); //$NON-NLS-1$
	proposals.addAll(BrowserManager.getInstance().getWebBrowsers().stream().filter(ChromeExecutableTab::isChrome).collect(Collectors.toList()));
	browserToUse.setInput(proposals);
	browserToUse.addPostSelectionChangedListener(e -> {
		setDirty(true);
		updateLaunchConfigurationDialog();
	});

	Link link = new Link(res, SWT.NONE);
	link.setLayoutData(new GridData(SWT.FILL, SWT.DEFAULT, true, false, 2, 1));
	link.setText(Messages.ChromeAttachTab_browserPreferences);
	link.addSelectionListener(SelectionListener.widgetSelectedAdapter(e -> {
		Dialog dialog = PreferencesUtil.createPreferenceDialogOn(link.getShell(), "org.eclipse.ui.browser.preferencePage", null, null); //$NON-NLS-1$
		dialog.open();
		List<IBrowserDescriptor> previous = proposals.stream().filter(IBrowserDescriptor.class::isInstance).map(IBrowserDescriptor.class::cast).collect(Collectors.toList());
		List<IBrowserDescriptor> next = BrowserManager.getInstance().getWebBrowsers();
		List<IBrowserDescriptor> toRemove = new LinkedList<>(previous);
		toRemove.removeAll(next);
		proposals.removeAll(toRemove);
		List<IBrowserDescriptor> toAdd = new LinkedList<>(next);
		toAdd.removeAll(previous);
		toAdd.removeIf(browser -> !isChrome(browser));
		proposals.addAll(toAdd);
		if (!(toAdd.isEmpty() && toRemove.isEmpty())) {
			browserToUse.refresh();
			if (browserToUse.getSelection().isEmpty()) {
				browserToUse.setSelection(new StructuredSelection("")); //$NON-NLS-1$
			}
		}
	}));
	
	setControl(res);
}
 

/**
 * Opens a warning dialog informing about a failure during handling of save listeners.
 *
 * @param title the dialog title
 * @param message the message to display
 * @param exception the exception to handle
 * @since 3.4
 */
private void openSaveListenerWarningDialog(String title, String message, CoreException exception) {
	final String linkText;
	final IJavaProject javaProject= getInputJavaElement().getJavaProject();
	IProject project= javaProject != null ? javaProject.getProject() : null;
	final boolean hasProjectSettings= project != null && CleanUpPreferenceUtil.hasSettingsInScope(new ProjectScope(project));
	if (exception.getStatus().getCode() == IJavaStatusConstants.EDITOR_POST_SAVE_NOTIFICATION) {
		message= JavaEditorMessages.CompilationUnitEditor_error_saving_participant_message;
		if (hasProjectSettings)
			linkText= JavaEditorMessages.CompilationUnitEditor_error_saving_participant_property_link;
		else
			linkText= JavaEditorMessages.CompilationUnitEditor_error_saving_participant_link;
	} else {
		message= JavaEditorMessages.CompilationUnitEditor_error_saving_editedLines_calculation_message;
		if (hasProjectSettings)
			linkText= JavaEditorMessages.CompilationUnitEditor_error_saving_editedLines_calculation_property_link;
		else
			linkText= JavaEditorMessages.CompilationUnitEditor_error_saving_editedLines_calculation_link;
	}

	IStatus status= exception.getStatus();
	int mask= IStatus.WARNING | IStatus.ERROR;
	ErrorDialog dialog= new ErrorDialog(getSite().getShell(), title, message, status, mask) {
		@Override
		protected Control createMessageArea(Composite parent) {
			Control result= super.createMessageArea(parent);

			// Panic code: use 'parent' instead of 'result' in case super implementation changes in the future
			new Label(parent, SWT.NONE);  // filler as parent has 2 columns (icon and label)
			Link link= new Link(parent, SWT.NONE);
			link.setText(linkText);
			link.setFont(parent.getFont());
			link.addSelectionListener(new SelectionAdapter() {
				@Override
				public void widgetSelected(SelectionEvent e) {
					if (hasProjectSettings)
						PreferencesUtil.createPropertyDialogOn(getShell(), javaProject, SaveParticipantPreferencePage.PROPERTY_PAGE_ID, null, null).open();
					else
						PreferencesUtil.createPreferenceDialogOn(getShell(), SaveParticipantPreferencePage.PREFERENCE_PAGE_ID, null, null).open();
				}
			});
			GridData gridData= new GridData(SWT.FILL, SWT.BEGINNING, true, false);
			link.setLayoutData(gridData);

			return result;
		}
		@Override
		protected Image getImage() {
			return getWarningImage();
		}
	};
	dialog.open();
}
 

@Override
protected Control createContents(Composite parent)
{
	Composite composite = new Composite(parent, SWT.NONE);
	composite.setLayout(GridLayoutFactory.swtDefaults().create());
	composite.setLayoutData(GridDataFactory.fillDefaults().create());

	globalPreferencesLink = new Link(composite, SWT.NONE);
	globalPreferencesLink.setLayoutData(GridDataFactory.swtDefaults().align(SWT.FILL, SWT.CENTER).create());

	Label label = new Label(composite, SWT.NONE);
	label.setText(StringUtil.makeFormLabel(Messages.SpellingPreferencePage_label));
	label.setLayoutData(GridDataFactory.swtDefaults().indent(SWT.DEFAULT, 5).align(SWT.FILL, SWT.CENTER).create());

	tableViewer = CheckboxTableViewer.newCheckList(composite, SWT.BORDER);
	tableViewer.getTable().setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
	tableViewer.setContentProvider(ArrayContentProvider.getInstance());
	tableViewer.setLabelProvider(new LabelProvider()
	{
		@Override
		public String getText(Object element)
		{
			return ScopeDefinitions.DEFINITIONS.get(element);
		}
	});
	tableViewer.setInput(ScopeDefinitions.DEFINITIONS.keySet());
	tableViewer.setCheckedElements(SpellingPreferences.getEnabledScopes().toArray());

	globalPreferencesLink.addSelectionListener(new SelectionAdapter()
	{
		@Override
		public void widgetSelected(SelectionEvent e)
		{
			((IWorkbenchPreferenceContainer) getContainer()).openPage(GENERAL_SPELLING_PREF_ID, null);
		}
	});

	applyDialogFont(composite);
	updateStatus();
	return composite;
}
 

@Override
protected Control createMessageArea(Composite parent) {
	initializeDialogUnits(parent);

	Composite messageComposite= new Composite(parent, SWT.NONE);
	messageComposite.setFont(parent.getFont());
	GridLayout layout= new GridLayout();
	layout.numColumns= 1;
	layout.marginHeight= 0;
	layout.marginWidth= 0;
	layout.verticalSpacing= convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
	layout.horizontalSpacing= convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
	messageComposite.setLayout(layout);
	messageComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

	Label explain= new Label(messageComposite, SWT.WRAP);
	explain.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, false));
	explain.setText(FixMessages.CleanUpPostSaveListener_SlowCleanUpWarningDialog_explain);

	final BulletListBlock cleanUpListBlock= new BulletListBlock(messageComposite, SWT.NONE);
	GridData gridData= new GridData(SWT.FILL, SWT.FILL, true, true);
	cleanUpListBlock.setLayoutData(gridData);
	cleanUpListBlock.setText(fCleanUpNames);

	TextLayout textLayout= new TextLayout(messageComposite.getDisplay());
	textLayout.setText(fCleanUpNames);
	int lineCount= textLayout.getLineCount();
	if (lineCount < 5)
		gridData.heightHint= textLayout.getLineBounds(0).height * 6;
	textLayout.dispose();

	Link link= new Link(messageComposite, SWT.NONE);
	link.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, false));
	link.setText(FixMessages.CleanUpPostSaveListener_SlowCleanUpDialog_link);

	link.addSelectionListener(new SelectionAdapter() {
		/*
		 * @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
		 */
		@Override
		public void widgetSelected(SelectionEvent e) {
			PreferencesUtil.createPreferenceDialogOn(getShell(), SaveParticipantPreferencePage.PREFERENCE_PAGE_ID, null, null).open();
		}
	});

	return messageComposite;
}