Examples of org.eclipse.swt.layout.FormLayout

org.eclipse.swt.layout.FormLayout
Instances of this class control the position and size of the children of a composite control by using FormAttachments to optionally configure the left, top, right and bottom edges of each child.
The following example code creates a FormLayout and then sets it into a Shell:
```
 Display display = new Display (); Shell shell = new Shell(display); FormLayout layout = new FormLayout(); layout.marginWidth = 3; layout.marginHeight = 3; shell.setLayout(layout); 
```
To use a FormLayout, create a FormData with FormAttachment for each child of Composite. The following example code attaches button1 to the top and left edge of the composite and button2 to the right edge of button1 and the top and right edges of the composite:
```
 FormData data1 = new FormData(); data1.left = new FormAttachment(0, 0); data1.top = new FormAttachment(0, 0); button1.setLayoutData(data1); FormData data2 = new FormData(); data2.left = new FormAttachment(button1); data2.top = new FormAttachment(0, 0); data2.right = new FormAttachment(100, 0); button2.setLayoutData(data2); 
```
Each side of a child control can be attached to a position in the parent composite, or to other controls within the Composite by creating instances of FormAttachment and setting them into the top, bottom, left, and right fields of the child's FormData.

If a side is not given an attachment, it is defined as not being attached to anything, causing the child to remain at its preferred size. If a child is given no attachment on either the left or the right or top or bottom, it is automatically attached to the left and top of the composite respectively. The following code positions button1 and button2 but relies on default attachments:
```
 FormData data2 = new FormData(); data2.left = new FormAttachment(button1); data2.right = new FormAttachment(100, 0); button2.setLayoutData(data2); 
```
IMPORTANT: Do not define circular attachments. For example, do not attach the right edge of button1 to the left edge of button2 and then attach the left edge of button2 to the right edge of button1. This will over constrain the layout, causing undefined behavior. The algorithm will terminate, but the results are undefined.
@see FormData @see FormAttachment @since 2.0

  
  protected Label label;
  
  public UXLabeledWidget(Composite parent) {
    super(parent);
    container.setLayout(new FormLayout());
    label = new Label(container, SWT.LEFT);
    
    FormData data = new FormData();
    data.top = new FormAttachment(0);
    data.left = new FormAttachment(0);

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  public static void enableLayout(Composite c, int vMargin, int hMargin) {
    enableLayout(c, vMargin, hMargin, vMargin, hMargin);
  }  
  
  public static void enableLayout(Composite c, int t, int r, int b, int l) { 
    FormLayout layout = new FormLayout();
    layout.marginTop = t;
    layout.marginRight = r;
    layout.marginBottom = b;
    layout.marginLeft = l;
    c.setLayout(layout);

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  public Composite getContainer() {
    return container;
  }
  
  protected void enableLayout() {
    FormLayout layout = new FormLayout();
    layout.marginTop = layout.marginBottom = layout.marginLeft = layout.marginRight = 2;
    container.setLayout(layout);
  }

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   * Runs the application
   */
  public void showAboutUs() {


    Shell shell = new Shell(display);
    shell.setLayout(new FormLayout());
    shell.setSize(410, 500);
    int x = (display.getClientArea().width) / 2;
    int y = (display.getClientArea().height) / 2;
    shell.setLocation(x - 150, y - 220);
    shell.setText("About - indic-keyboards");

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     * Initializes the GUI.
     */
    private void initGUI() {
        try {
            this.setBackground(SWTResourceManager.getColor(117, 117, 221));
            FormLayout thisLayout = new FormLayout();
            this.setLayout(thisLayout);
            this.setSize(714, 434);
            {
                label1 = new Label(this, SWT.CENTER);
                label1.setText("Replace each of these characters with their\ncorresponding Unicodes and press OK");

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     */
    public void createPartControl( Composite parent ) {
        createActions();
        createToolBar();


        parent.setLayout(new FormLayout());


        FormData layout;
        layout = new FormData();
        layout.top = new FormAttachment(null, 0);
        layout.left = new FormAttachment(null, 1);

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        mapviewer.setSelectionProvider(selectionProvider);
    }


    @Override
    public void createPartControl( Composite parent ) {
        parent.setLayout(new FormLayout());


        // create two maps
        final Map overviewmap = (Map) ProjectFactory.eINSTANCE.createMap();
        final Map mainmap = (Map) ProjectFactory.eINSTANCE.createMap();

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        ShutdownTaskList.instance().addPreShutdownTask(shutdownTask);


        composite = new Composite(parent, SWT.NO_BACKGROUND);


        composite.setLayout(new FormLayout());
        composite.setFont(parent.getFont());
        setPartName(getMap().getName());


        setTitleToolTip(Messages.MapEditor_titleToolTip);
        setTitleImage(ProjectUIPlugin.getDefault().getImage(ISharedImages.MAP_OBJ));

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        // +
        // +label+text+bbox+
        // +
        // contents
        // +
        FormLayout layout = new FormLayout();
        layout.marginHeight = 0;
        layout.marginWidth = 0;
        layout.spacing = 0;
        aParent.setLayout(layout);

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        }


        @Override
        protected Control create( Composite parent ) {
            Composite root = new Composite(parent, SWT.NONE);
            root.setLayout(new FormLayout());


            Label label = new Label(root, SWT.LEFT);
            label.setText(Messages.ConnectionErrorPage_message); 


            ListViewer listViewer = new ListViewer(root);

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