org.eclipse.swt.widgets.Group#getLayout ( )源码实例Demo

/**
 * Refreshes the specified group to re-set the default spacings that have
 * been trashed by the field editors
 * 
 * @param group
 */
void initGroup(Group group) {
	GridData gd = (GridData) group.getLayoutData();
	gd.grabExcessHorizontalSpace = true;
	GridLayout lo = (GridLayout) group.getLayout();
	lo.marginWidth = 5;
	lo.marginHeight = 5;
}
 

protected void createStartupModuleComponent(Composite parent) {
  Group group = SWTFactory.createGroup(parent, "Available Modules:", 3, 1, GridData.FILL_BOTH);
  GridLayout groupLayout = (GridLayout) group.getLayout();
  groupLayout.marginBottom = 8;
  group.setLayout(groupLayout);

  IModulesChangeListener listener = new IModulesChangeListener() {
    @Override
    public void onModulesChanged() {
      updateLaunchConfigurationDialog();
    }
  };
  entryPointModulesBlock = new EntryPointModulesSelectionBlock(listener);
  entryPointModulesBlock.doFillIntoGrid(group, 3);
}
 

protected void createStartupModuleComponent(Composite parent) {
  Group group = SWTFactory.createGroup(parent, "Available Modules:", 3, 1, GridData.FILL_BOTH);
  GridLayout groupLayout = (GridLayout) group.getLayout();
  groupLayout.marginBottom = 8;
  group.setLayout(groupLayout);

  IModulesChangeListener listener = new IModulesChangeListener() {
    @Override
    public void onModulesChanged() {
      updateLaunchConfigurationDialog();
    }
  };
  entryPointModulesSelectionBlock = new EntryPointModulesSelectionBlock(listener);
  entryPointModulesSelectionBlock.doFillIntoGrid(group, 3);
}
 

protected void createStartupModuleComponent(Composite parent) {
  Group group = SWTFactory.createGroup(parent, "Available Modules:", 3, 1, GridData.FILL_BOTH);
  GridLayout groupLayout = (GridLayout) group.getLayout();
  groupLayout.marginBottom = 8;
  group.setLayout(groupLayout);

  IModulesChangeListener listener = new IModulesChangeListener() {
    @Override
    public void onModulesChanged() {
      updateLaunchConfigurationDialog();
    }
  };
  entryPointModulesBlock = new EntryPointModulesSelectionBlock(listener);
  entryPointModulesBlock.doFillIntoGrid(group, 3);
}
 

private void createEntryPointModulesComponent(Composite parent) {
  Group group = SWTFactory.createGroup(parent, "Entry Point Modules", 3, 3, GridData.FILL_BOTH);
  GridLayout groupLayout = (GridLayout) group.getLayout();
  groupLayout.marginBottom = 8;
  group.setLayout(groupLayout);

  entryPointModulesBlock = new EntryPointModulesSelectionBlock(null, listener);
  entryPointModulesBlock.doFillIntoGrid(group, 3);
}
 

private void createEntryPointModuleComponent(Composite parent) {
  Group group = SWTFactory.createGroup(parent, "Entry Point Modules", 3, 1, GridData.FILL_BOTH);
  GridLayout groupLayout = (GridLayout) group.getLayout();
  groupLayout.marginBottom = 8;
  group.setLayout(groupLayout);

  entryPointModulesBlock = new EntryPointModulesSelectionBlock(null);
  entryPointModulesBlock.doFillIntoGrid(group, 3);
}
 

@Override
protected void createFieldEditors() {
    Composite composite = new Composite(getFieldEditorParent(), SWT.NONE);

    GridLayoutFactory.fillDefaults() //
            .numColumns(2) //
            .margins(5, 8) //
            .spacing(5, 20) //
            .applyTo(composite);

    Group group = new Group(composite, SWT.SHADOW_ETCHED_IN);
    GridDataFactory.fillDefaults().span(2, 1).applyTo(group);

    group.setText("Allow JSON references in additional contexts");

    addField(new BooleanFieldEditor(VALIDATION_REF_SECURITY_DEFINITIONS_OBJECT, "Security Definitions Object",
            group));
    addField(new BooleanFieldEditor(VALIDATION_REF_SECURITY_SCHEME_OBJECT, "Security Scheme Object", group));
    addField(new BooleanFieldEditor(VALIDATION_REF_SECURITY_REQUIREMENTS_ARRAY, "Security Requirements Array",
            group));
    addField(new BooleanFieldEditor(VALIDATION_REF_SECURITY_REQUIREMENT_OBJECT, "Security Requirement Object",
            group));

    // FieldEditor set parent layout to GridLayout with margin = 0
    ((GridLayout) group.getLayout()).marginTop = 8;
    ((GridLayout) group.getLayout()).marginBottom = 8;
    ((GridLayout) group.getLayout()).marginLeft = 8;
    ((GridLayout) group.getLayout()).marginRight = 8;

    // Validation

    Set<PreferenceProvider> providers = ExtensionUtils.getPreferenceProviders(VALIDATION_PREFERENCE_PAGE);
    providers.forEach(provider -> {
        for (FieldEditor field : provider.createFields(Version.SWAGGER, composite)) {
            addField(field);
        }
    });
}