Java Code Examples for org.eclipse.ui.forms.widgets.Section#addExpansionListener()

/**
 * Constructs a section and returns a section client composite
 * 
 * the section layout is TableWrapLayout
 * 
 * 
 * @param parent parent container for the section
 * @param title title of the section
 * @param description description of the section
 * @param toolkit toolkit to create the composite
 * @param sectionFlags parameters of the section
 * @param expansionListener 
 * @return a section client (the content container of the section)
 */
public static Section createSectionComposite(Composite parent, String title, String description,
        FormToolkit toolkit, int sectionFlags, IExpansionListener expansionListener)
{
    final Section section = toolkit.createSection(parent, sectionFlags);

    section.setData(SECTION_IS_NOT_SPACE_GRABBING, new Object());
    section.setText(title);
    section.setDescription(description);

    if (expansionListener != null)
    {
        section.addExpansionListener(expansionListener);
    }

    // create section client
    Composite sectionClient = toolkit.createComposite(section);
    TableWrapLayout layout = new TableWrapLayout();
    layout.numColumns = 1;
    sectionClient.setLayout(layout);
    section.setClient(sectionClient);

    // draw flat borders
    toolkit.paintBordersFor(sectionClient);
    return section;
}
 

private void doCreateWorkspaceTips(Composite mainComposite) {
    Label workspaceTips = new Label(mainComposite, SWT.NONE);
    workspaceTips.setLayoutData(GridDataFactory.fillDefaults().create());
    workspaceTips.setText(Messages.workspaceTips);

    final Section section = new Section(mainComposite, Section.TREE_NODE | Section.CLIENT_INDENT);
    section.setLayout(GridLayoutFactory.fillDefaults().margins(0, 0).create());
    section.setLayoutData(
            GridDataFactory.swtDefaults().align(SWT.FILL, SWT.TOP).hint(200, SWT.DEFAULT)
                    .grab(true, false).create());
    section.setText(Messages.moreInfo);
    Label label = new Label(section, SWT.WRAP);
    label.setLayoutData(GridDataFactory.swtDefaults().create());
    label.setText(Messages.importWorkspaceOverwriteBehavior);
    section.setClient(label);
    section.setExpanded(false);
    section.addExpansionListener(new UpdateLayoutListener(mainComposite));
}
 

@Override
public void createControl(Composite parent, final FormToolkit toolkit) {
  final List<TaskAttribute> diffTaskAttributes = getDiffTaskAttributes();

  if (diffTaskAttributes == null || diffTaskAttributes.isEmpty()) {
    return;
  }
  int style = ExpandableComposite.TWISTIE | ExpandableComposite.SHORT_TITLE_BAR;
  final Section groupSection = toolkit.createSection(parent, style);
  groupSection.setText("Changes (" + diffTaskAttributes.size() + ')');
  groupSection.clientVerticalSpacing = 0;
  groupSection.setForeground(toolkit.getColors().getColor(IFormColors.TITLE));

  if (groupSection.isExpanded()) {
    addDiffViewersToSection(toolkit, diffTaskAttributes, groupSection);
  } else {
    groupSection.addExpansionListener(new ExpansionAdapter() {
      @Override
      public void expansionStateChanged(ExpansionEvent e) {
        if (groupSection.getClient() == null) {
          try {
            getTaskEditorPage().setReflow(false);
            addDiffViewersToSection(toolkit, diffTaskAttributes, groupSection);
          } finally {
            getTaskEditorPage().setReflow(true);
          }
          getTaskEditorPage().reflow();
        }
      }
    });
  }
}
 

/**
 * <p>
 * This operation reads the MatrixComponent assigned to this SectionPart and
 * renders the view of that data for the user.
 * </p>
 * 
 */
public void renderSection() {
	// Get this SectionPart's reference to the
	// underlying Section
	Section section = getSection();

	// Set the description and title for this SectionPart
	section.setDescription(matrixComponent.getDescription());
	section.setText(matrixComponent.getName());

	// Set this SectionParts reference to the underlying SWT Composite
	sectionClient = parentForm.getToolkit().createComposite(section);

	// Set the Composite's layout
	sectionClient.setLayout(new GridLayout(2, false));

	// Construct the JFace TableViewer and its controlling buttons
	setupTableViewer();
	setupButtons();

	// Add an ExpansionListener to this Section
	section.addExpansionListener(new ExpansionAdapter() {
		@Override
		public void expansionStateChanged(ExpansionEvent e) {
			parentForm.reflow(true);
		}
	});

	// Set the Composite on this Section
	section.setClient(sectionClient);

	return;
}
 

/**
 * <p>
 * This operation reads the TableComponent assigned to this SectionPart and
 * renders the view of that data for the user.
 * </p>
 * 
 */
public void renderSection() {
	// Local Declarations
	Section section = getSection();

	// Add the main description and title to the section
	section.setDescription(tableComponent.getDescription());
	section.setText(tableComponent.getName());

	// setup the composite given the IManagedForm (parentForm)
	// and the section of this sectionPart.
	sectionClient = parentForm.getToolkit().createComposite(section);

	// Set the layout to have three columns.
	// Sets the table to take up one column, and the
	// add and delete buttons take the next column.
	sectionClient.setLayout(new GridLayout(2, false));

	// Setup the tableComponentViewer and buttons
	this.setupTableViewer();
	this.setupButtons();

	// Set an expansion listener in order to control the
	// sectionPart's visibility to the user.
	section.addExpansionListener(new ExpansionAdapter() {
		@Override
		public void expansionStateChanged(ExpansionEvent e) {
			parentForm.reflow(true);
		}
	});

	// Add the sectionClient Composite to the sectionPart.
	section.setClient(sectionClient);

	return;
}
 

private void createTreeHeader(Composite parent, DataBindingContext ctx) {
    treeSection = new Section(parent, Section.TREE_NODE);
    treeSection.setLayout(GridLayoutFactory.fillDefaults().create());
    treeSection.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
    treeSection.setText(Messages.importDetails);
    treeSection.addExpansionListener(new UpdateLayoutListener(parent));
    treeSection.setExpanded(false);
    descriptionLabel = new Label(treeSection, SWT.WRAP);
    archiveStatusObservable = PojoProperties.value("archiveStatus").observe(this);

    ctx.bindValue(WidgetProperties.text().observe(descriptionLabel), archiveStatusObservable,
            neverUpdateValueStrategy().create(), updateValueStrategy().withValidator(this::archiveStatusValidator)
                    .withConverter(createArchiveStatusConverter()).create());
    treeSection.setDescriptionControl(descriptionLabel);
}
 

private Section createStatusSection(Composite parent) {
    final Section section = new Section(parent, Section.TREE_NODE | Section.CLIENT_INDENT);
    section.setLayout(GridLayoutFactory.fillDefaults().create());
    section.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
    section.setText(Messages.importDetails);
    section.addExpansionListener(new UpdateLayoutListener(parent));
    section.setExpanded(false);
    return section;
}
 

@Override
protected Control createCustomArea(Composite parent) {
    if (detailsMessage != null) {
        parent.setLayout(GridLayoutFactory.swtDefaults().numColumns(2).create());
        //Above Image filler
        Image image = getImage();
        if (image != null) {
            Label filler = new Label(parent, SWT.NULL);
            filler.setImage(image);
            GridDataFactory.fillDefaults().align(SWT.CENTER, SWT.BEGINNING)
                    .applyTo(filler);
            filler.setVisible(false);
        }

        Section section = new Section(parent,
                Section.TWISTIE | Section.NO_TITLE_FOCUS_BOX | Section.CLIENT_INDENT);
        section.setText(Messages.moreDetails);
        section.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());

        Composite client = new Composite(section, SWT.NONE);
        client.setLayoutData(GridDataFactory.fillDefaults().create());
        client.setLayout(GridLayoutFactory.fillDefaults().create());

        Link detailsLabel = new Link(client, getMessageLabelStyle());
        linkSelectionListener.ifPresent(listener -> detailsLabel.addListener(SWT.Selection, listener));
        detailsLabel.setText(detailsMessage);
        GridDataFactory
                .fillDefaults()
                .align(SWT.FILL, SWT.BEGINNING)
                .grab(true, false)
                .hint(convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH),
                        SWT.DEFAULT)
                .applyTo(detailsLabel);
        section.setClient(client);
        section.addExpansionListener(new ExpansionAdapter() {

            @Override
            public void expansionStateChanged(ExpansionEvent e) {
                parent.getShell().pack();
            }
        });
        return section;
    }
    return super.createCustomArea(parent);
}