Java Section.addExpansionListener方法代码示例

import org.eclipse.ui.forms.widgets.Section; //导入方法依赖的package包/类
/**
 * 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)
{
    Section section = toolkit.createSection(parent, sectionFlags);

    TableWrapData td = new TableWrapData(TableWrapData.FILL_GRAB);
    td.grabHorizontal = true;
    section.setLayoutData(td);
    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;
}
 

import org.eclipse.ui.forms.widgets.Section; //导入方法依赖的package包/类
@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();
        }
      }
    });
  }
}
 

import org.eclipse.ui.forms.widgets.Section; //导入方法依赖的package包/类
public Composite createSectionTitle(Composite parent, String text, boolean expandable, int columns, int span) {
	int style = Section.EXPANDED | Section.TITLE_BAR;
	if (expandable)
		style = style | Section.TWISTIE;
	Section section = new NotifyExpandSection(parent, style, sectionSizeChange);
	section.titleBarTextMarginWidth = 0;
	// section.marginWidth = 2;
	section.setTitleBarBorderColor(SWTResourceManager.getColor(SWT.COLOR_GRAY));
	section.setTitleBarBackground(SWTResourceManager.getColor(SWT.COLOR_TITLE_INACTIVE_BACKGROUND));

	// section.setFont(SWTResourceManager.getBoldFont(section.getFont()));
	if (parent.getLayout() instanceof GridLayout) {
		GridData gd = new GridData(GridData.FILL_HORIZONTAL);
		gd.horizontalSpan = span;
		section.setLayoutData(gd);
	}
	section.setText(text);
	if (sectionSizeChange != null)
		section.addExpansionListener(sectionSizeChange);
	// section.setSeparatorControl(new Label(section, SWT.SEPARATOR
	// | SWT.HORIZONTAL));

	parent = createComposite(section, SWT.BORDER);
	GridLayout layout = new GridLayout(columns, false);
	layout.marginHeight = 4;
	layout.marginWidth = 2;
	parent.setLayout(layout);

	section.setClient(parent);
	return parent;
}
 

import org.eclipse.ui.forms.widgets.Section; //导入方法依赖的package包/类
public Composite createSection(Composite parent, String text, boolean expandable, int columns, int span, int style) {
	style = style | Section.EXPANDED;
	if (expandable)
		style = style | Section.TREE_NODE;
	Section section = new NotifyExpandSection(parent, style, sectionSizeChange);
	section.titleBarTextMarginWidth = 0;

	section.setFont(SWTResourceManager.getBoldFont(section.getFont()));

	if (parent.getLayout() instanceof GridLayout) {
		GridData gd = new GridData(GridData.FILL_HORIZONTAL);
		gd.horizontalSpan = span;
		section.setLayoutData(gd);
	}
	section.setText(text);
	section.setSeparatorControl(new Label(section, SWT.SEPARATOR | SWT.HORIZONTAL));
	if (sectionSizeChange != null)
		section.addExpansionListener(sectionSizeChange);
	Composite cmp = createComposite(section, SWT.NONE);
	GridLayout layout = new GridLayout(columns, false);
	layout.marginHeight = 4;
	layout.marginWidth = 2;
	cmp.setLayout(layout);

	section.setClient(cmp);
	return cmp;
}
 

import org.eclipse.ui.forms.widgets.Section; //导入方法依赖的package包/类
/**
 * Create a section and return it. The client of the section is a composite where the control can be created
 */
public Section createAndGetSection(Composite parent, String text, boolean expandable, int columns, int span, int style) {
	style = style | Section.EXPANDED;
	if (expandable)
		style = style | Section.TREE_NODE;
	Section section = new NotifyExpandSection(parent, style, sectionSizeChange);
	section.titleBarTextMarginWidth = 0;

	section.setFont(SWTResourceManager.getBoldFont(section.getFont()));

	if (parent.getLayout() instanceof GridLayout) {
		GridData gd = new GridData(GridData.FILL_HORIZONTAL);
		gd.horizontalSpan = span;
		section.setLayoutData(gd);
	}
	section.setText(text);
	section.setSeparatorControl(new Label(section, SWT.SEPARATOR | SWT.HORIZONTAL));
	if (sectionSizeChange != null)
		section.addExpansionListener(sectionSizeChange);
	Composite cmp = createComposite(section, SWT.NONE);
	GridLayout layout = new GridLayout(columns, false);
	layout.marginHeight = 4;
	layout.marginWidth = 2;
	cmp.setLayout(layout);

	section.setClient(cmp);
	return section;
}
 

import org.eclipse.ui.forms.widgets.Section; //导入方法依赖的package包/类
private Section createSection(	final Composite parent,
								final FormToolkit tk,
								final String title,
								final boolean isGrabVertical,
								final boolean isExpandable) {

	final int style = isExpandable ? //
			Section.TWISTIE //
					| Section.TITLE_BAR
			: Section.TITLE_BAR;

	final Section section = tk.createSection(parent, style);

	section.setText(title);
	GridDataFactory.fillDefaults().grab(true, isGrabVertical).applyTo(section);

	final Composite sectionContainer = tk.createComposite(section);
	section.setClient(sectionContainer);

	section.addExpansionListener(new ExpansionAdapter() {
		@Override
		public void expansionStateChanged(final ExpansionEvent e) {
			onExpandSection();
		}
	});

	return section;
}