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

        // /////////////////////////////////////
        final TabItem sourceTab = new TabItem(tabFolder, SWT.NONE);
        sourceTab.setText("Source");


        final Composite sourceComposite = new Composite(tabFolder, SWT.NONE);
        sourceComposite.setLayout(new FormLayout());
        sourceComposite.setBounds(0, 0, 443, 305);
        sourceTab.setControl(sourceComposite);
        Label lblSourceFoldersIn;
        FormData formData_2;
        {
            lblSourceFoldersIn = new Label(sourceComposite, SWT.NONE);
            {
                formData_2 = new FormData();
                formData_2.right = new FormAttachment(100);
                formData_2.left = new FormAttachment(0, 8);
                lblSourceFoldersIn.setLayoutData(formData_2);
            }
            lblSourceFoldersIn.setText("Source folders in the project:");
        }
        Button btnFolder;
        FormData formData_5;
        {
            btnFolder = new Button(sourceComposite, SWT.NONE);
            formData_2.bottom = new FormAttachment(btnFolder, -6);
            {
                formData_5 = new FormData();
                formData_5.right = new FormAttachment(100);
                formData_5.width = 84;
                btnFolder.setLayoutData(formData_5);
            }
            btnFolder.setText("Add folder...");
        }
        Button btnSource;
        {
            btnSource = new Button(sourceComposite, SWT.NONE);
            formData_5.bottom = new FormAttachment(btnSource, -6);
            btnSource.setEnabled(false);
            {
                final FormData formData = new FormData();
                formData.right = new FormAttachment(100);
                formData.top = new FormAttachment(0, 62);
                formData.width = 84;
                btnSource.setLayoutData(formData);
            }
            btnSource.setText("Link source...");
        }
        Button btnEdit;
        FormData formData_4;
        {
            btnEdit = new Button(sourceComposite, SWT.NONE);
            {
                formData_4 = new FormData();
                formData_4.right = new FormAttachment(100);
                formData_4.width = 84;
                btnEdit.setLayoutData(formData_4);
            }
            btnEdit.setText("Edit...");
        }
        Button btnRemove;
        {
            btnRemove = new Button(sourceComposite, SWT.NONE);
            formData_4.bottom = new FormAttachment(btnRemove, -6);
            {
                final FormData formData = new FormData();
                formData.right = new FormAttachment(100);
                formData.width = 84;
                formData.top = new FormAttachment(0, 134);
                btnRemove.setLayoutData(formData);
            }
            btnRemove.setText("Remove");
        }
        Button btnAllowOutputFolders;
        FormData formData_6;
        {
            btnAllowOutputFolders = new Button(sourceComposite, SWT.CHECK);
            {
                formData_6 = new FormData();
                formData_6.left = new FormAttachment(0, 10);
                btnAllowOutputFolders.setLayoutData(formData_6);
            }
            btnAllowOutputFolders.setText("Allow output folders for source folders");
        }
        Text output_text;
        FormData formData_3;
        {
            output_text = new Text(sourceComposite, SWT.BORDER);
            formData_6.bottom = new FormAttachment(output_text, -6);
            {
                formData_3 = new FormData();
                formData_3.left = new FormAttachment(0, 10);
                output_text.setLayoutData(formData_3);
            }
        }
        Button btnBrowse;
        {
            btnBrowse = new Button(sourceComposite, SWT.NONE);
            formData_3.right = new FormAttachment(btnBrowse, -6);
            formData_3.top = new FormAttachment(0, 268);
            {
                final FormData formData = new FormData();
                formData.right = new FormAttachment(100);
                formData.width = 84;
                formData.bottom = new FormAttachment(output_text, 0, SWT.BOTTOM);
                btnBrowse.setLayoutData(formData);
            }
            btnBrowse.setText("Browse...");
        }
        {
            final TreeViewer treeViewer = new TreeViewer(sourceComposite, SWT.BORDER);
            final Tree sources_tree = treeViewer.getTree();
            {
                final FormData formData = new FormData();
                formData.left = new FormAttachment(0, 10);
                formData.right = new FormAttachment(btnSource, -6);
                formData.top = new FormAttachment(lblSourceFoldersIn, 6);
                formData.bottom = new FormAttachment(btnAllowOutputFolders, -6);
                sources_tree.setLayoutData(formData);
            }
        }


        final Button btnWhenCleaningDelete = new Button(sourceComposite, SWT.CHECK);
        final FormData fd_btnWhenCleaningDelete = new FormData();
        fd_btnWhenCleaningDelete.top = new FormAttachment(output_text, 6);
        fd_btnWhenCleaningDelete.left = new FormAttachment(lblSourceFoldersIn, 0,
                SWT.LEFT);
        btnWhenCleaningDelete.setLayoutData(fd_btnWhenCleaningDelete);
        btnWhenCleaningDelete
                .setText("When cleaning, delete the whole output directory (faster)");
        sourceComposite.setTabList(new Control[] { btnFolder, btnSource, btnEdit,
                btnRemove, btnAllowOutputFolders, output_text, btnBrowse });


        final TabItem includeTab = new TabItem(tabFolder, SWT.NONE);
        includeTab.setText("Include");


        final Composite includeComposite = new Composite(tabFolder, SWT.NONE);
        includeComposite.setLayout(new FormLayout());
        includeComposite.setBounds(0, 0, 443, 305);
        includeTab.setControl(includeComposite);


        final Label lblFoldersWithInclude = new Label(includeComposite, SWT.NONE);
        {
            final FormData formData = new FormData();
            formData.right = new FormAttachment(100, -10);
            formData.top = new FormAttachment(0, 10);
            formData.left = new FormAttachment(0, 10);
            lblFoldersWithInclude.setLayoutData(formData);
        }
        lblFoldersWithInclude.setText("Folders with include files:");


        final Button btnAddFolder = new Button(includeComposite, SWT.NONE);
        {
            final FormData formData = new FormData();
            formData.top = new FormAttachment(lblFoldersWithInclude, 9);
            formData.right = new FormAttachment(lblFoldersWithInclude, 0, SWT.RIGHT);
            btnAddFolder.setLayoutData(formData);
        }
        btnAddFolder.setText("Add folder...");


        final Button btnEdit_1 = new Button(includeComposite, SWT.NONE);
        FormData formData_1;
        {
            formData_1 = new FormData();
            formData_1.right = new FormAttachment(lblFoldersWithInclude, 0, SWT.RIGHT);
            formData_1.width = 77;
            btnEdit_1.setLayoutData(formData_1);
        }
        btnEdit_1.setText("Edit...");


        final Button btnRemove_1 = new Button(includeComposite, SWT.NONE);
        formData_1.bottom = new FormAttachment(100, -216);
        {
            final FormData formData_7 = new FormData();
            formData_7.top = new FormAttachment(btnEdit_1, 7);
            formData_7.right = new FormAttachment(lblFoldersWithInclude, 0, SWT.RIGHT);
            formData_7.width = 77;
            btnRemove_1.setLayoutData(formData_7);
        }
        btnRemove_1.setText("Remove");
        {
            final ListViewer listViewer = new ListViewer(includeComposite, SWT.BORDER);
            final org.eclipse.swt.widgets.List includes_list = listViewer.getList();
            {
                final FormData formData = new FormData();
                formData.right = new FormAttachment(btnAddFolder, -6);
                formData.left = new FormAttachment(0, 10);
                formData.bottom = new FormAttachment(100, -10);
                formData.top = new FormAttachment(lblFoldersWithInclude, 6);
                includes_list.setLayoutData(formData);
            }
        }


        final TabItem projectsTab = new TabItem(tabFolder, SWT.NONE);
        projectsTab.setText("Projects");


        final Composite dependenciesComposite = new Composite(tabFolder, SWT.NONE);
        dependenciesComposite.setLayout(new FormLayout());
        projectsTab.setControl(dependenciesComposite);


        final Label lblProjectsOnThe = new Label(dependenciesComposite, SWT.NONE);
        {
            final FormData formData = new FormData();
            formData.right = new FormAttachment(100, -10);
            formData.top = new FormAttachment(0, 10);
            formData.left = new FormAttachment(0, 10);
            lblProjectsOnThe.setLayoutData(formData);
        }
        lblProjectsOnThe.setText("Required projects on the build path:");


        final Button button = new Button(dependenciesComposite, SWT.NONE);
        {
            final FormData formData = new FormData();
            formData.top = new FormAttachment(lblProjectsOnThe, 6);
            formData.right = new FormAttachment(lblProjectsOnThe, 0, SWT.RIGHT);
            button.setLayoutData(formData);
        }
        button.setText("New Button");


        final Button button_1 = new Button(dependenciesComposite, SWT.NONE);
        FormData formData_8;
        {
            formData_8 = new FormData();
            formData_8.right = new FormAttachment(lblProjectsOnThe, 0, SWT.RIGHT);
            button_1.setLayoutData(formData_8);
        }
        button_1.setText("New Button");


        final Button button_2 = new Button(dependenciesComposite, SWT.NONE);
        formData_8.bottom = new FormAttachment(button_2, -6);
        {
            final FormData formData = new FormData();
            formData.top = new FormAttachment(0, 110);
            formData.right = new FormAttachment(lblProjectsOnThe, 0, SWT.RIGHT);
            button_2.setLayoutData(formData);
        }
        button_2.setText("New Button");
        {
            final ListViewer listViewer = new ListViewer(dependenciesComposite,
                    SWT.BORDER);
            final org.eclipse.swt.widgets.List projects_list = listViewer.getList();
            {
                final FormData formData = new FormData();
                formData.right = new FormAttachment(button, -6);
                formData.left = new FormAttachment(0, 10);
                formData.bottom = new FormAttachment(100, -6);
                formData.top = new FormAttachment(lblProjectsOnThe, 6);
                projects_list.setLayoutData(formData);
            }
        }


        final Collection<RuntimeInfo> rs = BackendCore.getRuntimeInfoCatalog()
                .getRuntimes();
        final List<String[]> vv = new ArrayList<String[]>();
        for (final RuntimeInfo ri : rs) {
            vv.add(new String[] { ri.getName(), ri.getName() });
        }
        @SuppressWarnings("unused")
        final String[][] values = vv.toArray(new String[][] {});


        final TabItem librariesTab = new TabItem(tabFolder, SWT.NONE);
        librariesTab.setText("Libraries");


        final Composite librariesComposite = new Composite(tabFolder, SWT.NONE);
        librariesComposite.setLayout(new FormLayout());
        librariesTab.setControl(librariesComposite);


        final Label lblExternalLibrariesRequired = new Label(librariesComposite, SWT.NONE);
        {
            final FormData formData = new FormData();
            formData.right = new FormAttachment(100, -10);
            formData.top = new FormAttachment(0, 10);
            formData.left = new FormAttachment(0, 10);
            lblExternalLibrariesRequired.setLayoutData(formData);
        }
        lblExternalLibrariesRequired
                .setText("External libraries required on build path:");


        final Button button_3 = new Button(librariesComposite, SWT.NONE);
        {
            final FormData formData = new FormData();
            formData.top = new FormAttachment(lblExternalLibrariesRequired, 6);
            formData.right = new FormAttachment(100, -10);
            button_3.setLayoutData(formData);
        }
        button_3.setText("New Button");


        final Button button_4 = new Button(librariesComposite, SWT.NONE);
        {
            final FormData formData = new FormData();
            formData.top = new FormAttachment(button_3, 6);
            formData.right = new FormAttachment(lblExternalLibrariesRequired, 0,
                    SWT.RIGHT);
            button_4.setLayoutData(formData);
        }
        button_4.setText("New Button");


        final Button button_5 = new Button(librariesComposite, SWT.NONE);
        FormData formData_9;
        {
            formData_9 = new FormData();
            formData_9.right = new FormAttachment(lblExternalLibrariesRequired, 0,
                    SWT.RIGHT);
            button_5.setLayoutData(formData_9);
        }
        button_5.setText("New Button");


        final Button button_6 = new Button(librariesComposite, SWT.NONE);
        formData_9.bottom = new FormAttachment(100, -226);
        {
            final FormData formData = new FormData();
            formData.top = new FormAttachment(button_5, 6);
            formData.right = new FormAttachment(lblExternalLibrariesRequired, 0,
                    SWT.RIGHT);
            button_6.setLayoutData(formData);
        }
        button_6.setText("New Button");
        {
            final TreeViewer treeViewer = new TreeViewer(librariesComposite, SWT.BORDER);
            final Tree libraries_tree = treeViewer.getTree();
            {
                final FormData formData = new FormData();
                formData.right = new FormAttachment(button_3, -6);
                formData.left = new FormAttachment(0, 10);
                formData.top = new FormAttachment(lblExternalLibrariesRequired, 4);
                formData.bottom = new FormAttachment(100, -10);
                libraries_tree.setLayoutData(formData);
            }
        }


        final TabItem orderTab = new TabItem(tabFolder, SWT.NONE);
        orderTab.setText("Codepath order");


        final Composite codepathComposite = new Composite(tabFolder, SWT.NONE);
        codepathComposite.setLayout(new FormLayout());
        orderTab.setControl(codepathComposite);


        final Label lblOrderOfThe = new Label(codepathComposite, SWT.NONE);
        {
            final FormData formData = new FormData();
            formData.right = new FormAttachment(100, -10);
            formData.top = new FormAttachment(0, 10);
            formData.left = new FormAttachment(0, 10);
            lblOrderOfThe.setLayoutData(formData);
        }
        lblOrderOfThe.setText("Order of the dependencies on runtime code path:");


        final Button button_7 = new Button(codepathComposite, SWT.NONE);
        {
            final FormData formData = new FormData();
            formData.top = new FormAttachment(lblOrderOfThe, 6);
            formData.right = new FormAttachment(lblOrderOfThe, 0, SWT.RIGHT);
            button_7.setLayoutData(formData);
        }
        button_7.setText("New Button");


        final Button button_8 = new Button(codepathComposite, SWT.NONE);
        {
            final FormData formData = new FormData();
            formData.top = new FormAttachment(button_7, 6);
            formData.right = new FormAttachment(lblOrderOfThe, 0, SWT.RIGHT);
            button_8.setLayoutData(formData);
        }
        button_8.setText("New Button");
        {
            final ListViewer listViewer = new ListViewer(codepathComposite, SWT.BORDER);
            final org.eclipse.swt.widgets.List codepath_list = listViewer.getList();
            {
                final FormData formData = new FormData();
                formData.right = new FormAttachment(button_7, -6);
                formData.left = new FormAttachment(0, 10);
                formData.bottom = new FormAttachment(100, -10);
                formData.top = new FormAttachment(lblOrderOfThe, 6);
                codepath_list.setLayoutData(formData);
            }
        }


        final TabItem tbtmPreprocessor = new TabItem(tabFolder, SWT.NONE);
        tbtmPreprocessor.setText("Preprocessor");


        final Composite composite_1 = new Composite(tabFolder, SWT.NONE);
        composite_1.setLayout(new FormLayout());
        tbtmPreprocessor.setControl(composite_1);


        final Label lblMacrosDefinedFor = new Label(composite_1, SWT.NONE);
        {
            final FormData formData = new FormData();

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        setDescription(getBuilderDescription());


        final Composite composite = new Composite(parent, SWT.NONE);
        setControl(composite);


        composite.setLayout(new FormLayout());


        final Label outLabel = new Label(composite, SWT.NONE);
        outLabel.setAlignment(SWT.RIGHT);
        FormData fd_outLabel;
        {

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    // create the overall composite
    Composite contents = new Composite(parent, SWT.NONE);
    contents.setLayoutData(new GridData(GridData.FILL_BOTH));
    // initialize the dialog units
    initializeDialogUnits(contents);
    FormLayout layout = new FormLayout();
    contents.setLayout(layout);
    // Now create a work area for the rest of the dialog
    workArea = new Composite(contents, SWT.NONE);
    GridLayout childLayout = new GridLayout();
    childLayout.marginHeight = 0;

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    layout.marginWidth = 0;
    layout.verticalSpacing = 0;
    pageAreaComposite.setLayout(layout);
    
    formTitleComposite = new Composite(pageAreaComposite, SWT.NONE);
    FormLayout titleLayout = new FormLayout();
    titleLayout.marginWidth = 0;
    titleLayout.marginHeight = 0;
    formTitleComposite.setLayout(titleLayout);
    
    GridData titleGridData = new GridData(GridData.FILL_HORIZONTAL);

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  protected Composite createTitleArea(Composite parent) {
    // Create the title area which will contain
    // a title, message, and image.
    int margins = 2;
    titleArea = new Composite(parent, SWT.NONE);
    FormLayout layout = new FormLayout();
    layout.marginHeight = 0;
    layout.marginWidth = margins;
    titleArea.setLayout(layout);

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   */
  private Composite createForm(Composite parent) {
    Composite composite = new Composite(parent, SWT.NO_FOCUS);
    // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=126553
    composite.setBackgroundMode(SWT.INHERIT_DEFAULT);
    composite.setLayout(new FormLayout());
    return composite;
  }

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        jobEntry.setChanged();
      }
    };
    changed = jobEntry.hasChanged();


    FormLayout formLayout = new FormLayout ();
    formLayout.marginWidth  = Const.FORM_MARGIN;
    formLayout.marginHeight = Const.FORM_MARGIN;


    shell.setLayout(formLayout);
    shell.setText("Send Files to S3");

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  }


  
  protected Composite createMainComponentWithToolbar(Composite composite) {


    FormLayout formLayout = new FormLayout();
    formLayout.marginHeight = 5;
    formLayout.marginWidth = 5;
    composite.setLayout(formLayout);


    Label label = new Label(composite, SWT.NONE);

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        FigureCanvas thumbnail;
        ScrollableThumbnail tb;


        public ThumbnailNavigator(Composite parent, int style) {
            super(parent, style);
            this.setLayout(new FormLayout());
            createZoomableCanvas(this);
        }

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        setZoomToSelectionToolEnablement();
    }
    
    private void layoutComponents( Composite parent ) {
        FormLayout layout = new FormLayout();
        layout.marginHeight = 0;
        layout.marginWidth = 0;
        layout.spacing = 0;
        parent.setLayout(layout);

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