examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/layoutexample/RowLayoutTab.java - platform/eclipse.platform.swt - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2003 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.swt.examples.layoutexample;


 import org.eclipse.swt.*;
 import org.eclipse.swt.graphics.*;
 import org.eclipse.swt.widgets.*;
 import org.eclipse.swt.layout.*;
 import org.eclipse.swt.events.*;
 import org.eclipse.swt.custom.*;

 class RowLayoutTab extends Tab {
 	/* Controls for setting layout parameters */
 	Button horizontal, vertical;
 	Button wrap, pack, fill, justify, center;
 	Spinner marginWidth, marginHeight, marginLeft, marginRight, marginTop, marginBottom, spacing;
 	/* The example layout instance */
 	RowLayout rowLayout;
 	/* TableEditors and related controls*/
 	TableEditor comboEditor, widthEditor, heightEditor, nameEditor, excludeEditor;
 	CCombo combo, exclude;
 	Text nameText, widthText, heightText;

 	/* Constants */
 	final int NAME_COL = 0;
 	final int COMBO_COL = 1;
 	final int WIDTH_COL = 2;
 	final int HEIGHT_COL = 3;
 	final int EXCLUDE_COL = 4;
 	final int TOTAL_COLS = 5;

 	/**
 	 * Creates the Tab within a given instance of LayoutExample.
 	 */
 	RowLayoutTab(LayoutExample instance) {
 		super(instance);
 	}

 	/**
 	 * Creates the widgets in the "child" group.
 	 */
 	void createChildWidgets () {
 		/* Add common controls */
 		super.createChildWidgets ();

 		/* Add TableEditors */
 		nameEditor = new TableEditor (table);
 		comboEditor = new TableEditor (table);
 		widthEditor = new TableEditor (table);
 		heightEditor = new TableEditor (table);
 		excludeEditor = new TableEditor (table);
 		table.addMouseListener (new MouseAdapter () {
 			public void mouseDown(MouseEvent e) {
 				resetEditors();
 				index = table.getSelectionIndex ();
 				Point pt = new Point (e.x, e.y);
                 newItem = table.getItem (pt);
                 if (newItem == null) return;
                 TableItem oldItem = comboEditor.getItem ();
                 if (newItem == oldItem || newItem != lastSelected) {
 					lastSelected = newItem;
 					return;
 				}
 				table.showSelection ();

 				combo = new CCombo (table, SWT.READ_ONLY);
 				createComboEditor (combo, comboEditor);

 				nameText = new Text(table, SWT.SINGLE);
 				nameText.setText(((String[])data.elementAt(index))[NAME_COL]);
 				createTextEditor(nameText, nameEditor, NAME_COL);

 				widthText = new Text(table, SWT.SINGLE);
 				widthText.setText(((String[])data.elementAt(index))[WIDTH_COL]);
 				createTextEditor(widthText, widthEditor, WIDTH_COL);

 				heightText = new Text(table, SWT.SINGLE);
 				heightText.setText (((String [])data.elementAt (index)) [HEIGHT_COL]);
 				createTextEditor (heightText, heightEditor, HEIGHT_COL);

 				String [] boolValues = new String [] {"false", "true"};
 				exclude = new CCombo (table, SWT.NONE);
 				exclude.setItems (boolValues);
 				exclude.setText (newItem.getText (EXCLUDE_COL));
 				excludeEditor.horizontalAlignment = SWT.LEFT;
 				excludeEditor.grabHorizontal = true;
 				excludeEditor.minimumWidth = 50;
 				excludeEditor.setEditor (exclude, newItem, EXCLUDE_COL);
 				exclude.addTraverseListener (traverseListener);

 				for (int i=0; i<table.getColumnCount (); i++) {
                 	Rectangle rect = newItem.getBounds (i);
                     if (rect.contains (pt)) {
                     	switch (i) {
                     		case NAME_COL :
                     			nameText.setFocus ();
 							case COMBO_COL :
 								combo.setFocus ();
 								break;
 							case WIDTH_COL :
 								widthText.setFocus ();
 								break;
 							case HEIGHT_COL :
 								heightText.setFocus ();
 								break;
 							case EXCLUDE_COL :
 								exclude.setFocus ();
 								break;
 							default :
 								resetEditors ();
 								break;
 						}
                     }
                 }
 			}
 		});
 	}

 	/**
 	 * Creates the control widgets.
 	 */
 	void createControlWidgets () {
 		/* Controls the type of RowLayout */
 		Group typeGroup = new Group (controlGroup, SWT.NONE);
 		typeGroup.setText (LayoutExample.getResourceString ("Type"));
 		typeGroup.setLayout (new GridLayout ());
 		typeGroup.setLayoutData(new GridData (SWT.FILL, SWT.FILL, false, false));
 		horizontal = new Button (typeGroup, SWT.RADIO);
 		horizontal.setText ("SWT.HORIZONTAL");
 		horizontal.setLayoutData (new GridData (SWT.FILL, SWT.CENTER, true, false));
 		horizontal.setSelection(true);
 		horizontal.addSelectionListener (selectionListener);
 		vertical = new Button (typeGroup, SWT.RADIO);
 		vertical.setText ("SWT.VERTICAL");
 		vertical.setLayoutData (new GridData (SWT.FILL, SWT.CENTER, true, false));
 		vertical.addSelectionListener (selectionListener);

 		/* Controls the margins and spacing of the RowLayout */
 		Group marginGroup = new Group (controlGroup, SWT.NONE);
 		marginGroup.setText (LayoutExample.getResourceString ("Margins_Spacing"));
 		marginGroup.setLayout(new GridLayout(2, false));
 		marginGroup.setLayoutData(new GridData (SWT.FILL, SWT.FILL, false, false, 1, 2));
 		new Label(marginGroup, SWT.NONE).setText("marginWidth");
 		marginWidth = new Spinner(marginGroup, SWT.BORDER);
 		marginWidth.setSelection(0);
 		marginWidth.addSelectionListener(selectionListener);
 		new Label (marginGroup, SWT.NONE).setText ("marginHeight");
 		marginHeight = new Spinner(marginGroup, SWT.BORDER);
 		marginHeight.setSelection(0);
 		marginHeight.setLayoutData (new GridData(SWT.BEGINNING, SWT.CENTER, false, false));
 		marginHeight.addSelectionListener (selectionListener);
 		new Label (marginGroup, SWT.NONE).setText ("marginLeft");
 		marginLeft = new Spinner(marginGroup, SWT.BORDER);
 		marginLeft.setSelection(3);
 		marginLeft.addSelectionListener (selectionListener);
 		new Label (marginGroup, SWT.NONE).setText ("marginRight");
 		marginRight = new Spinner(marginGroup, SWT.BORDER);
 		marginRight.setSelection(3);
 		marginRight.addSelectionListener(selectionListener);
 		new Label(marginGroup, SWT.NONE).setText("marginTop");
 		marginTop = new Spinner(marginGroup, SWT.BORDER);
 		marginTop.setSelection(3);
 		marginTop.addSelectionListener(selectionListener);
 		new Label (marginGroup, SWT.NONE).setText ("marginBottom");
 		marginBottom = new Spinner(marginGroup, SWT.BORDER);
 		marginBottom.setSelection(3);
 		marginBottom.addSelectionListener (selectionListener);
 		new Label (marginGroup, SWT.NONE).setText ("spacing");
 		spacing = new Spinner(marginGroup, SWT.BORDER);
 		spacing.setSelection(3);
 		spacing.addSelectionListener (selectionListener);

 		/* Controls other parameters of the RowLayout */
 		Group specGroup = new Group (controlGroup, SWT.NONE);
 		specGroup.setText (LayoutExample.getResourceString ("Properties"));
 		specGroup.setLayoutData (new GridData (SWT.FILL, SWT.FILL, false, false));
 		specGroup.setLayout (new GridLayout ());
 		wrap = new Button (specGroup, SWT.CHECK);
 		wrap.setText ("Wrap");
 		wrap.setSelection (true);
 		wrap.setLayoutData (new GridData (SWT.FILL, SWT.CENTER, true, false));
 		wrap.addSelectionListener (selectionListener);
 		pack = new Button (specGroup, SWT.CHECK);
 		pack.setText ("Pack");
 		pack.setLayoutData (new GridData (SWT.FILL, SWT.CENTER, true, false));
 		pack.setSelection (true);
 		pack.addSelectionListener(selectionListener);
 		fill = new Button(specGroup, SWT.CHECK);
 		fill.setText("Fill");
 		fill.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
 		fill.addSelectionListener(selectionListener);
 		justify = new Button (specGroup, SWT.CHECK);
 		justify.setText ("Justify");
 		justify.setLayoutData (new GridData (SWT.FILL, SWT.CENTER, true, false));
 		justify.addSelectionListener (selectionListener);
 		center = new Button (specGroup, SWT.CHECK);
 		center.setText ("Center");
 		center.setLayoutData (new GridData (SWT.FILL, SWT.CENTER, true, false));
 		center.addSelectionListener (selectionListener);

 		/* Add common controls */
 		super.createControlWidgets ();
 	}

 	/**
 	 * Creates the example layout.
 	 */
 	void createLayout () {
 		rowLayout = new RowLayout ();
 		layoutComposite.setLayout (rowLayout);
 	}

 	/**
 	 * Disposes the editors without placing their contents
 	 * into the table.
 	 */
 	void disposeEditors () {
 		comboEditor.setEditor (null, null, -1);
 		combo.dispose ();
 		widthText.dispose ();
 		heightText.dispose ();
 		nameText.dispose ();
 		exclude.dispose ();
 	}

 	/**
 	 * Generates code for the example layout.
 	 */
 	StringBuffer generateLayoutCode () {
 		StringBuffer code = new StringBuffer ();
 		code.append ("\t\tRowLayout rowLayout = new RowLayout ();\n");
 		if (rowLayout.type == SWT.VERTICAL) {
 			code.append ("\t\trowLayout.type = SWT.VERTICAL;\n");
 		}
 		if (rowLayout.wrap == false) {
 			code.append ("\t\trowLayout.wrap = false;\n");
 		}
 		if (rowLayout.pack == false) {
 			code.append ("\t\trowLayout.pack = false;\n");
 		}
 		if (rowLayout.fill == true) {
 			code.append("\t\trowLayout.fill = true;\n");
 		}
 		if (rowLayout.justify == true) {
 			code.append ("\t\trowLayout.justify = true;\n");
 		}
 		if (rowLayout.center == true) {
 			code.append ("\t\trowLayout.center = true;\n");
 		}
 		if (rowLayout.marginWidth != 0) {
 			code.append("\t\trowLayout.marginWidth = " + rowLayout.marginWidth + ";\n");
 		}
 		if (rowLayout.marginHeight != 0) {
 			code.append("\t\trowLayout.marginHeight = " + rowLayout.marginHeight + ";\n");
 		}
 		if (rowLayout.marginLeft != 3) {
 			code.append ("\t\trowLayout.marginLeft = " + rowLayout.marginLeft + ";\n");
 		}
 		if (rowLayout.marginRight != 3) {
 			code.append ("\t\trowLayout.marginRight = " + rowLayout.marginRight + ";\n");
 		}
 		if (rowLayout.marginTop != 3) {
 			code.append ("\t\trowLayout.marginTop = " + rowLayout.marginTop + ";\n");
 		}
 		if (rowLayout.marginBottom != 3) {
 			code.append ("\t\trowLayout.marginBottom = " + rowLayout.marginBottom + ";\n");
 		}
 		if (rowLayout.spacing != 3) {
 			code.append ("\t\trowLayout.spacing = " + rowLayout.spacing + ";\n");
 		}
 		code.append ("\t\tshell.setLayout (rowLayout);\n");

 		boolean first = true;
 		for (int i = 0; i < children.length; i++) {
 			Control control = children [i];
 			code.append (getChildCode (control,i));
 			RowData rowData = (RowData) control.getLayoutData ();
 			if (rowData != null) {
 				if (rowData.width != -1 || rowData.height != -1 || rowData.exclude) {
 					code.append ("\t\t");
 					if (first) {
 						code.append ("RowData ");
 						first = false;
 					}
 					if (rowData.width == -1 && rowData.height == -1) {
 						code.append ("rowData = new RowData ();\n");
 					} else if (rowData.width == -1) {
 						code.append ("rowData = new RowData (SWT.DEFAULT, " + rowData.height + ");\n");
 					} else if (rowData.height == -1) {
 						code.append ("rowData = new RowData (" + rowData.width + ", SWT.DEFAULT);\n");
 					} else {
 						code.append ("rowData = new RowData (" + rowData.width + ", " + rowData.height + ");\n");
 					}
 					if (rowData.exclude) {
 						code.append ("\t\trowData.exclude = true;\n");
 					}
 					code.append ("\t\t" + names [i] + ".setLayoutData (rowData);\n");
 				}
 			}
 		}
 		return code;
 	}

 	/**
 	 * Returns the string to insert when a new child control is added to the table.
 	 */
 	String[] getInsertString (String name, String controlType) {
 		return new String [] {name, controlType, "-1", "-1", "false"};
 	}

 	/**
 	 * Returns the layout data field names.
 	 */
 	String [] getLayoutDataFieldNames() {
 		return new String [] {
 			"Control Name",
 			"Control Type",
 			"width",
 			"height",
 			"exclude"
 		};
 	}

 	/**
 	 * Gets the text for the tab folder item.
 	 */
 	String getTabText () {
 		return "RowLayout";
 	}

 	/**
 	 * Takes information from TableEditors and stores it.
 	 */
 	void resetEditors (boolean tab) {
 		TableItem oldItem = comboEditor.getItem ();
 		if (oldItem != null) {
 			int row = table.indexOf (oldItem);
 			/* Make sure user has entered valid data */
 			try {
 				new String(nameText.getText());
 			} catch (NumberFormatException e) {
 				nameText.setText(oldItem.getText(NAME_COL));
 			}
 			try {
 				new Integer (widthText.getText ()).intValue ();
 			} catch (NumberFormatException e) {
 				widthText.setText (oldItem.getText (WIDTH_COL));
 			}
 			try {
 				new Integer (heightText.getText ()).intValue ();
 			} catch (NumberFormatException e) {
 				heightText.setText (oldItem.getText (HEIGHT_COL));
 			}
 			String [] insert = new String [] {
 				nameText.getText(), combo.getText (), widthText.getText (), heightText.getText (), exclude.getText ()};
 			data.setElementAt (insert, row);
 			for (int i = 0 ; i < TOTAL_COLS; i++) {
 				oldItem.setText (i, ((String [])data.elementAt (row)) [i]);
 			}
 			if (!tab) disposeEditors ();
 		}
 		setLayoutState ();
 		refreshLayoutComposite ();
 		setLayoutData ();
 		layoutComposite.layout (true);
 		layoutGroup.layout (true);
 	}

 	/**
 	 * Sets the layout data for the children of the layout.
 	 */
 	void setLayoutData () {
 		Control [] children = layoutComposite.getChildren ();
 		TableItem [] items = table.getItems ();
 		RowData data;
 		int width, height;
 		String exclude;
 		for (int i = 0; i < children.length; i++) {
 			width = new Integer (items [i].getText (WIDTH_COL)).intValue ();
 			height = new Integer (items [i].getText (HEIGHT_COL)).intValue ();
 			data = new RowData (width, height);
 			exclude = items [i].getText (EXCLUDE_COL);
 			data.exclude = exclude.equals ("true");
 			children [i].setLayoutData (data);
 		}

 	}

 	/**
 	 * Sets the state of the layout.
 	 */
 	void setLayoutState () {
 		/* Set the type of layout */
 		rowLayout.type = vertical.getSelection () ? SWT.VERTICAL : SWT.HORIZONTAL;

 		/* Set the margins and spacing */
 		rowLayout.marginWidth = marginWidth.getSelection ();
 		rowLayout.marginHeight = marginHeight.getSelection ();
 		rowLayout.marginLeft = marginLeft.getSelection ();
 		rowLayout.marginRight = marginRight.getSelection ();
 		rowLayout.marginTop = marginTop.getSelection ();
 		rowLayout.marginBottom = marginBottom.getSelection ();
 		rowLayout.spacing = spacing.getSelection ();

 		/* Set the other layout properties */
 		rowLayout.wrap = wrap.getSelection ();
 		rowLayout.pack = pack.getSelection ();
 		rowLayout.fill = fill.getSelection ();
 		rowLayout.justify = justify.getSelection ();
 		rowLayout.center = center.getSelection ();
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2003 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.swt.examples.layoutexample;


	import org.eclipse.swt.*;
	import org.eclipse.swt.graphics.*;
	import org.eclipse.swt.widgets.*;
	import org.eclipse.swt.layout.*;
	import org.eclipse.swt.events.*;
	import org.eclipse.swt.custom.*;

	class RowLayoutTab extends Tab {
	/* Controls for setting layout parameters */
	Button horizontal, vertical;
	Button wrap, pack, fill, justify, center;
	Spinner marginWidth, marginHeight, marginLeft, marginRight, marginTop, marginBottom, spacing;
	/* The example layout instance */
	RowLayout rowLayout;
	/* TableEditors and related controls*/
	TableEditor comboEditor, widthEditor, heightEditor, nameEditor, excludeEditor;
	CCombo combo, exclude;
	Text nameText, widthText, heightText;

	/* Constants */
	final int NAME_COL = 0;
	final int COMBO_COL = 1;
	final int WIDTH_COL = 2;
	final int HEIGHT_COL = 3;
	final int EXCLUDE_COL = 4;
	final int TOTAL_COLS = 5;

	/**
	* Creates the Tab within a given instance of LayoutExample.
	*/
	RowLayoutTab(LayoutExample instance) {
	super(instance);
	}

	/**
	* Creates the widgets in the "child" group.
	*/
	void createChildWidgets () {
	/* Add common controls */
	super.createChildWidgets ();

	/* Add TableEditors */
	nameEditor = new TableEditor (table);
	comboEditor = new TableEditor (table);
	widthEditor = new TableEditor (table);
	heightEditor = new TableEditor (table);
	excludeEditor = new TableEditor (table);
	table.addMouseListener (new MouseAdapter () {
	public void mouseDown(MouseEvent e) {
	resetEditors();
	index = table.getSelectionIndex ();
	Point pt = new Point (e.x, e.y);
	newItem = table.getItem (pt);
	if (newItem == null) return;
	TableItem oldItem = comboEditor.getItem ();
	if (newItem == oldItem \|\| newItem != lastSelected) {
	lastSelected = newItem;
	return;
	}
	table.showSelection ();

	combo = new CCombo (table, SWT.READ_ONLY);
	createComboEditor (combo, comboEditor);

	nameText = new Text(table, SWT.SINGLE);
	nameText.setText(((String[])data.elementAt(index))[NAME_COL]);
	createTextEditor(nameText, nameEditor, NAME_COL);

	widthText = new Text(table, SWT.SINGLE);
	widthText.setText(((String[])data.elementAt(index))[WIDTH_COL]);
	createTextEditor(widthText, widthEditor, WIDTH_COL);

	heightText = new Text(table, SWT.SINGLE);
	heightText.setText (((String [])data.elementAt (index)) [HEIGHT_COL]);
	createTextEditor (heightText, heightEditor, HEIGHT_COL);

	String [] boolValues = new String [] {"false", "true"};
	exclude = new CCombo (table, SWT.NONE);
	exclude.setItems (boolValues);
	exclude.setText (newItem.getText (EXCLUDE_COL));
	excludeEditor.horizontalAlignment = SWT.LEFT;
	excludeEditor.grabHorizontal = true;
	excludeEditor.minimumWidth = 50;
	excludeEditor.setEditor (exclude, newItem, EXCLUDE_COL);
	exclude.addTraverseListener (traverseListener);

	for (int i=0; i<table.getColumnCount (); i++) {
	Rectangle rect = newItem.getBounds (i);
	if (rect.contains (pt)) {
	switch (i) {
	case NAME_COL :
	nameText.setFocus ();
	case COMBO_COL :
	combo.setFocus ();
	break;
	case WIDTH_COL :
	widthText.setFocus ();
	break;
	case HEIGHT_COL :
	heightText.setFocus ();
	break;
	case EXCLUDE_COL :
	exclude.setFocus ();
	break;
	default :
	resetEditors ();
	break;
	}
	}
	}
	}
	});
	}

	/**
	* Creates the control widgets.
	*/
	void createControlWidgets () {
	/* Controls the type of RowLayout */
	Group typeGroup = new Group (controlGroup, SWT.NONE);
	typeGroup.setText (LayoutExample.getResourceString ("Type"));
	typeGroup.setLayout (new GridLayout ());
	typeGroup.setLayoutData(new GridData (SWT.FILL, SWT.FILL, false, false));
	horizontal = new Button (typeGroup, SWT.RADIO);
	horizontal.setText ("SWT.HORIZONTAL");
	horizontal.setLayoutData (new GridData (SWT.FILL, SWT.CENTER, true, false));
	horizontal.setSelection(true);
	horizontal.addSelectionListener (selectionListener);
	vertical = new Button (typeGroup, SWT.RADIO);
	vertical.setText ("SWT.VERTICAL");
	vertical.setLayoutData (new GridData (SWT.FILL, SWT.CENTER, true, false));
	vertical.addSelectionListener (selectionListener);

	/* Controls the margins and spacing of the RowLayout */
	Group marginGroup = new Group (controlGroup, SWT.NONE);
	marginGroup.setText (LayoutExample.getResourceString ("Margins_Spacing"));
	marginGroup.setLayout(new GridLayout(2, false));
	marginGroup.setLayoutData(new GridData (SWT.FILL, SWT.FILL, false, false, 1, 2));
	new Label(marginGroup, SWT.NONE).setText("marginWidth");
	marginWidth = new Spinner(marginGroup, SWT.BORDER);
	marginWidth.setSelection(0);
	marginWidth.addSelectionListener(selectionListener);
	new Label (marginGroup, SWT.NONE).setText ("marginHeight");
	marginHeight = new Spinner(marginGroup, SWT.BORDER);
	marginHeight.setSelection(0);
	marginHeight.setLayoutData (new GridData(SWT.BEGINNING, SWT.CENTER, false, false));
	marginHeight.addSelectionListener (selectionListener);
	new Label (marginGroup, SWT.NONE).setText ("marginLeft");
	marginLeft = new Spinner(marginGroup, SWT.BORDER);
	marginLeft.setSelection(3);
	marginLeft.addSelectionListener (selectionListener);
	new Label (marginGroup, SWT.NONE).setText ("marginRight");
	marginRight = new Spinner(marginGroup, SWT.BORDER);
	marginRight.setSelection(3);
	marginRight.addSelectionListener(selectionListener);
	new Label(marginGroup, SWT.NONE).setText("marginTop");
	marginTop = new Spinner(marginGroup, SWT.BORDER);
	marginTop.setSelection(3);
	marginTop.addSelectionListener(selectionListener);
	new Label (marginGroup, SWT.NONE).setText ("marginBottom");
	marginBottom = new Spinner(marginGroup, SWT.BORDER);
	marginBottom.setSelection(3);
	marginBottom.addSelectionListener (selectionListener);
	new Label (marginGroup, SWT.NONE).setText ("spacing");
	spacing = new Spinner(marginGroup, SWT.BORDER);
	spacing.setSelection(3);
	spacing.addSelectionListener (selectionListener);

	/* Controls other parameters of the RowLayout */
	Group specGroup = new Group (controlGroup, SWT.NONE);
	specGroup.setText (LayoutExample.getResourceString ("Properties"));
	specGroup.setLayoutData (new GridData (SWT.FILL, SWT.FILL, false, false));
	specGroup.setLayout (new GridLayout ());
	wrap = new Button (specGroup, SWT.CHECK);
	wrap.setText ("Wrap");
	wrap.setSelection (true);
	wrap.setLayoutData (new GridData (SWT.FILL, SWT.CENTER, true, false));
	wrap.addSelectionListener (selectionListener);
	pack = new Button (specGroup, SWT.CHECK);
	pack.setText ("Pack");
	pack.setLayoutData (new GridData (SWT.FILL, SWT.CENTER, true, false));
	pack.setSelection (true);
	pack.addSelectionListener(selectionListener);
	fill = new Button(specGroup, SWT.CHECK);
	fill.setText("Fill");
	fill.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
	fill.addSelectionListener(selectionListener);
	justify = new Button (specGroup, SWT.CHECK);
	justify.setText ("Justify");
	justify.setLayoutData (new GridData (SWT.FILL, SWT.CENTER, true, false));
	justify.addSelectionListener (selectionListener);
	center = new Button (specGroup, SWT.CHECK);
	center.setText ("Center");
	center.setLayoutData (new GridData (SWT.FILL, SWT.CENTER, true, false));
	center.addSelectionListener (selectionListener);

	/* Add common controls */
	super.createControlWidgets ();
	}

	/**
	* Creates the example layout.
	*/
	void createLayout () {
	rowLayout = new RowLayout ();
	layoutComposite.setLayout (rowLayout);
	}

	/**
	* Disposes the editors without placing their contents
	* into the table.
	*/
	void disposeEditors () {
	comboEditor.setEditor (null, null, -1);
	combo.dispose ();
	widthText.dispose ();
	heightText.dispose ();
	nameText.dispose ();
	exclude.dispose ();
	}

	/**
	* Generates code for the example layout.
	*/
	StringBuffer generateLayoutCode () {
	StringBuffer code = new StringBuffer ();
	code.append ("\t\tRowLayout rowLayout = new RowLayout ();\n");
	if (rowLayout.type == SWT.VERTICAL) {
	code.append ("\t\trowLayout.type = SWT.VERTICAL;\n");
	}
	if (rowLayout.wrap == false) {
	code.append ("\t\trowLayout.wrap = false;\n");
	}
	if (rowLayout.pack == false) {
	code.append ("\t\trowLayout.pack = false;\n");
	}
	if (rowLayout.fill == true) {
	code.append("\t\trowLayout.fill = true;\n");
	}
	if (rowLayout.justify == true) {
	code.append ("\t\trowLayout.justify = true;\n");
	}
	if (rowLayout.center == true) {
	code.append ("\t\trowLayout.center = true;\n");
	}
	if (rowLayout.marginWidth != 0) {
	code.append("\t\trowLayout.marginWidth = " + rowLayout.marginWidth + ";\n");
	}
	if (rowLayout.marginHeight != 0) {
	code.append("\t\trowLayout.marginHeight = " + rowLayout.marginHeight + ";\n");
	}
	if (rowLayout.marginLeft != 3) {
	code.append ("\t\trowLayout.marginLeft = " + rowLayout.marginLeft + ";\n");
	}
	if (rowLayout.marginRight != 3) {
	code.append ("\t\trowLayout.marginRight = " + rowLayout.marginRight + ";\n");
	}
	if (rowLayout.marginTop != 3) {
	code.append ("\t\trowLayout.marginTop = " + rowLayout.marginTop + ";\n");
	}
	if (rowLayout.marginBottom != 3) {
	code.append ("\t\trowLayout.marginBottom = " + rowLayout.marginBottom + ";\n");
	}
	if (rowLayout.spacing != 3) {
	code.append ("\t\trowLayout.spacing = " + rowLayout.spacing + ";\n");
	}
	code.append ("\t\tshell.setLayout (rowLayout);\n");

	boolean first = true;
	for (int i = 0; i < children.length; i++) {
	Control control = children [i];
	code.append (getChildCode (control,i));
	RowData rowData = (RowData) control.getLayoutData ();
	if (rowData != null) {
	if (rowData.width != -1 \|\| rowData.height != -1 \|\| rowData.exclude) {
	code.append ("\t\t");
	if (first) {
	code.append ("RowData ");
	first = false;
	}
	if (rowData.width == -1 && rowData.height == -1) {
	code.append ("rowData = new RowData ();\n");
	} else if (rowData.width == -1) {
	code.append ("rowData = new RowData (SWT.DEFAULT, " + rowData.height + ");\n");
	} else if (rowData.height == -1) {
	code.append ("rowData = new RowData (" + rowData.width + ", SWT.DEFAULT);\n");
	} else {
	code.append ("rowData = new RowData (" + rowData.width + ", " + rowData.height + ");\n");
	}
	if (rowData.exclude) {
	code.append ("\t\trowData.exclude = true;\n");
	}
	code.append ("\t\t" + names [i] + ".setLayoutData (rowData);\n");
	}
	}
	}
	return code;
	}

	/**
	* Returns the string to insert when a new child control is added to the table.
	*/
	String[] getInsertString (String name, String controlType) {
	return new String [] {name, controlType, "-1", "-1", "false"};
	}

	/**
	* Returns the layout data field names.
	*/
	String [] getLayoutDataFieldNames() {
	return new String [] {
	"Control Name",
	"Control Type",
	"width",
	"height",
	"exclude"
	};
	}

	/**
	* Gets the text for the tab folder item.
	*/
	String getTabText () {
	return "RowLayout";
	}

	/**
	* Takes information from TableEditors and stores it.
	*/
	void resetEditors (boolean tab) {
	TableItem oldItem = comboEditor.getItem ();
	if (oldItem != null) {
	int row = table.indexOf (oldItem);
	/* Make sure user has entered valid data */
	try {
	new String(nameText.getText());
	} catch (NumberFormatException e) {
	nameText.setText(oldItem.getText(NAME_COL));
	}
	try {
	new Integer (widthText.getText ()).intValue ();
	} catch (NumberFormatException e) {
	widthText.setText (oldItem.getText (WIDTH_COL));
	}
	try {
	new Integer (heightText.getText ()).intValue ();
	} catch (NumberFormatException e) {
	heightText.setText (oldItem.getText (HEIGHT_COL));
	}
	String [] insert = new String [] {
	nameText.getText(), combo.getText (), widthText.getText (), heightText.getText (), exclude.getText ()};
	data.setElementAt (insert, row);
	for (int i = 0 ; i < TOTAL_COLS; i++) {
	oldItem.setText (i, ((String [])data.elementAt (row)) [i]);
	}
	if (!tab) disposeEditors ();
	}
	setLayoutState ();
	refreshLayoutComposite ();
	setLayoutData ();
	layoutComposite.layout (true);
	layoutGroup.layout (true);
	}

	/**
	* Sets the layout data for the children of the layout.
	*/
	void setLayoutData () {
	Control [] children = layoutComposite.getChildren ();
	TableItem [] items = table.getItems ();
	RowData data;
	int width, height;
	String exclude;
	for (int i = 0; i < children.length; i++) {
	width = new Integer (items [i].getText (WIDTH_COL)).intValue ();
	height = new Integer (items [i].getText (HEIGHT_COL)).intValue ();
	data = new RowData (width, height);
	exclude = items [i].getText (EXCLUDE_COL);
	data.exclude = exclude.equals ("true");
	children [i].setLayoutData (data);
	}

	}

	/**
	* Sets the state of the layout.
	*/
	void setLayoutState () {
	/* Set the type of layout */
	rowLayout.type = vertical.getSelection () ? SWT.VERTICAL : SWT.HORIZONTAL;

	/* Set the margins and spacing */
	rowLayout.marginWidth = marginWidth.getSelection ();
	rowLayout.marginHeight = marginHeight.getSelection ();
	rowLayout.marginLeft = marginLeft.getSelection ();
	rowLayout.marginRight = marginRight.getSelection ();
	rowLayout.marginTop = marginTop.getSelection ();
	rowLayout.marginBottom = marginBottom.getSelection ();
	rowLayout.spacing = spacing.getSelection ();

	/* Set the other layout properties */
	rowLayout.wrap = wrap.getSelection ();
	rowLayout.pack = pack.getSelection ();
	rowLayout.fill = fill.getSelection ();
	rowLayout.justify = justify.getSelection ();
	rowLayout.center = center.getSelection ();
	}
	}