/* * Copyright (c) 2002-2008 JGoodies Karsten Lentzsch. All Rights Reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * o Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * o Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * o Neither the name of JGoodies Karsten Lentzsch nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package com.jgoodies.forms.tutorial.pitfalls; import javax.swing.*; import javax.swing.text.JTextComponent; import com.jgoodies.forms.builder.PanelBuilder; import com.jgoodies.forms.debug.FormDebugUtils; import com.jgoodies.forms.layout.CellConstraints; import com.jgoodies.forms.layout.FormLayout; /** * Demonstrates a frequent pitfall when specifying a growing row. * In this layout a row grows, but the text area in that row is centered * and doesn't 'grow'. In other words, the area doesn't fill * the available vertical space. * * @author Karsten Lentzsch * @version $Revision: 1.10 $ */ public final class VerticalGrowthExample { // UI Components ********************************************************** private JTextComponent notesArea; // Self Launch ************************************************************ public static void main(String[] args) { try { UIManager.setLookAndFeel("com.jgoodies.looks.plastic.PlasticXPLookAndFeel"); } catch (Exception e) { // Likely PlasticXP is not in the class path; ignore. } JFrame frame = new JFrame(); frame.setTitle("Forms Tutorial :: Vertical Growth"); frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE); JComponent panel = new VerticalGrowthExample().buildPanel(); frame.getContentPane().add(panel); frame.setSize(500, 400); frame.setVisible(true); } // Component Initialization *********************************************** /** * Creates and configures the UI components. */ private void initComponents() { notesArea = new JTextArea( "This text area doesn't consume the available vertical space.\n\n" + "The row is specified as 'pref:grow', and so the row grows.\n" + "It's just that the text area doesn't fill the row's vertical space.\n\n" + "Since the row's alignment is not explicitly defined,\n" + "it uses the 'center' alignment as default. But in this case\n" + "we want to 'fill'. The row spec should read: 'fill:pref:grow'." ); } // Building *************************************************************** /** * Builds and returns a panel with a title and scrollable text area.<p> * * The FormDebugUtils dumps * * @return the built panel */ public JComponent buildPanel() { initComponents(); FormLayout layout = new FormLayout( "pref:grow", "pref, 3dlu, pref:grow" // Correct: "pref, 3dlu, fill:pref:grow" ); PanelBuilder builder = new PanelBuilder(layout); builder.setDefaultDialogBorder(); CellConstraints cc = new CellConstraints(); builder.addTitle("An Example for FAQ #3.3", cc.xy(1, 1)); builder.add(new JScrollPane(notesArea), cc.xy(1, 3)); FormDebugUtils.dumpRowSpecs(layout); FormDebugUtils.dumpConstraints(builder.getPanel()); return builder.getPanel(); } }