diff options
Diffstat (limited to 'examples/gnu')
7 files changed, 146 insertions, 110 deletions
diff --git a/examples/gnu/classpath/examples/swing/ButtonDemo.java b/examples/gnu/classpath/examples/swing/ButtonDemo.java index b53ba3b5c..ffe9fb236 100644 --- a/examples/gnu/classpath/examples/swing/ButtonDemo.java +++ b/examples/gnu/classpath/examples/swing/ButtonDemo.java @@ -46,6 +46,8 @@ public class ButtonDemo implements ActionListener { + private JPanel content; + private JCheckBox buttonState; private JButton button1; private JButton button2; @@ -95,13 +97,16 @@ public class ButtonDemo */ JPanel createContent() { - JPanel content = new JPanel(new BorderLayout()); - JPanel panel = new JPanel(new GridLayout(4, 1)); - panel.add(createButtonPanel()); - panel.add(createTogglePanel()); - panel.add(createCheckBoxPanel()); - panel.add(createRadioPanel()); - content.add(panel); + if (content == null) + { + content = new JPanel(new BorderLayout()); + JPanel panel = new JPanel(new GridLayout(4, 1)); + panel.add(createButtonPanel()); + panel.add(createTogglePanel()); + panel.add(createCheckBoxPanel()); + panel.add(createRadioPanel()); + content.add(panel); + } return content; } diff --git a/examples/gnu/classpath/examples/swing/ComboBoxDemo.java b/examples/gnu/classpath/examples/swing/ComboBoxDemo.java index 52431cb5d..9c893c287 100644 --- a/examples/gnu/classpath/examples/swing/ComboBoxDemo.java +++ b/examples/gnu/classpath/examples/swing/ComboBoxDemo.java @@ -69,6 +69,7 @@ public class ComboBoxDemo } } + private JPanel content; private JCheckBox comboState1; private JComboBox combo1; private JComboBox combo2; @@ -120,15 +121,18 @@ public class ComboBoxDemo */ JPanel createContent() { - JPanel content = new JPanel(new BorderLayout()); - JPanel panel = new JPanel(new GridLayout(6, 1)); - panel.add(createPanel1()); - panel.add(createPanel2()); - panel.add(createPanel3()); - panel.add(createPanel4()); - panel.add(createPanel5()); - panel.add(createPanel6()); - content.add(panel); + if (content == null) + { + content = new JPanel(new BorderLayout()); + JPanel panel = new JPanel(new GridLayout(6, 1)); + panel.add(createPanel1()); + panel.add(createPanel2()); + panel.add(createPanel3()); + panel.add(createPanel4()); + panel.add(createPanel5()); + panel.add(createPanel6()); + content.add(panel); + } return content; } diff --git a/examples/gnu/classpath/examples/swing/FileChooserDemo.java b/examples/gnu/classpath/examples/swing/FileChooserDemo.java index 70bb56d66..9e880f5dc 100644 --- a/examples/gnu/classpath/examples/swing/FileChooserDemo.java +++ b/examples/gnu/classpath/examples/swing/FileChooserDemo.java @@ -63,7 +63,9 @@ public class FileChooserDemo extends JFrame implements ActionListener return false; } } - + + private JPanel content; + /** A label to display the selected file. */ JLabel selectedFileLabel; @@ -102,52 +104,56 @@ public class FileChooserDemo extends JFrame implements ActionListener * added if this demo is being run as a standalone demo). */ JPanel createContent() - { - JPanel panel = new JPanel(new BorderLayout()); - - // create a panel of buttons to select the different styles of file - // chooser... - JPanel buttonPanel = new JPanel(new GridLayout(5, 1)); - JButton openButton = new JButton("Open..."); - openButton.setActionCommand("OPEN"); - openButton.addActionListener(this); - buttonPanel.add(openButton); - JButton saveButton = new JButton("Save..."); - saveButton.setActionCommand("SAVE"); - saveButton.addActionListener(this); - buttonPanel.add(saveButton); - JButton queryButton = new JButton("Select Directory..."); - queryButton.setActionCommand("SELECT_DIRECTORY"); - queryButton.addActionListener(this); - buttonPanel.add(queryButton); - JButton openJavaButton = new JButton("Open Java file..."); - openJavaButton.setActionCommand("OPEN_JAVA"); - openJavaButton.addActionListener(this); - buttonPanel.add(openJavaButton); - JButton openMultiButton = new JButton("Open multiple files..."); - openMultiButton.setActionCommand("OPEN_MULTI"); - openMultiButton.addActionListener(this); - buttonPanel.add(openMultiButton); - panel.add(buttonPanel, BorderLayout.WEST); - - // create a panel to display the selected file(s) and the return code - JPanel displayPanel = new JPanel(new BorderLayout()); - - selectedFileLabel = new JLabel("-"); - selectedFileLabel.setBorder(BorderFactory.createTitledBorder("Selected File/Directory: ")); - displayPanel.add(selectedFileLabel, BorderLayout.NORTH); + { + if (content == null) + { + JPanel panel = new JPanel(new BorderLayout()); - selectedFilesList = new JList(); - JScrollPane sp = new JScrollPane(selectedFilesList); - sp.setBorder(BorderFactory.createTitledBorder("Selected Files: ")); - displayPanel.add(sp); - - returnCodeLabel = new JLabel("0"); - returnCodeLabel.setBorder(BorderFactory.createTitledBorder("Return Code:")); - displayPanel.add(returnCodeLabel, BorderLayout.SOUTH); + // create a panel of buttons to select the different styles of file + // chooser... + JPanel buttonPanel = new JPanel(new GridLayout(5, 1)); + JButton openButton = new JButton("Open..."); + openButton.setActionCommand("OPEN"); + openButton.addActionListener(this); + buttonPanel.add(openButton); + JButton saveButton = new JButton("Save..."); + saveButton.setActionCommand("SAVE"); + saveButton.addActionListener(this); + buttonPanel.add(saveButton); + JButton queryButton = new JButton("Select Directory..."); + queryButton.setActionCommand("SELECT_DIRECTORY"); + queryButton.addActionListener(this); + buttonPanel.add(queryButton); + JButton openJavaButton = new JButton("Open Java file..."); + openJavaButton.setActionCommand("OPEN_JAVA"); + openJavaButton.addActionListener(this); + buttonPanel.add(openJavaButton); + JButton openMultiButton = new JButton("Open multiple files..."); + openMultiButton.setActionCommand("OPEN_MULTI"); + openMultiButton.addActionListener(this); + buttonPanel.add(openMultiButton); + panel.add(buttonPanel, BorderLayout.WEST); + + // create a panel to display the selected file(s) and the return code + JPanel displayPanel = new JPanel(new BorderLayout()); + + selectedFileLabel = new JLabel("-"); + selectedFileLabel.setBorder(BorderFactory.createTitledBorder("Selected File/Directory: ")); + displayPanel.add(selectedFileLabel, BorderLayout.NORTH); - panel.add(displayPanel); - return panel; + selectedFilesList = new JList(); + JScrollPane sp = new JScrollPane(selectedFilesList); + sp.setBorder(BorderFactory.createTitledBorder("Selected Files: ")); + displayPanel.add(sp); + + returnCodeLabel = new JLabel("0"); + returnCodeLabel.setBorder(BorderFactory.createTitledBorder("Return Code:")); + displayPanel.add(returnCodeLabel, BorderLayout.SOUTH); + + panel.add(displayPanel); + content = panel; + } + return content; } /** diff --git a/examples/gnu/classpath/examples/swing/ScrollBarDemo.java b/examples/gnu/classpath/examples/swing/ScrollBarDemo.java index fce137301..f02728cab 100644 --- a/examples/gnu/classpath/examples/swing/ScrollBarDemo.java +++ b/examples/gnu/classpath/examples/swing/ScrollBarDemo.java @@ -40,6 +40,8 @@ public class ScrollBarDemo implements ActionListener { + private JPanel content; + /** * Creates a new demo instance. * @@ -67,9 +69,12 @@ public class ScrollBarDemo */ JPanel createContent() { - JPanel content = new JPanel(new BorderLayout()); - JPanel panel = createScrollBarPanel(); - content.add(panel); + if (content == null) + { + content = new JPanel(new BorderLayout()); + JPanel panel = createScrollBarPanel(); + content.add(panel); + } return content; } diff --git a/examples/gnu/classpath/examples/swing/SliderDemo.java b/examples/gnu/classpath/examples/swing/SliderDemo.java index 736024c48..86509827f 100644 --- a/examples/gnu/classpath/examples/swing/SliderDemo.java +++ b/examples/gnu/classpath/examples/swing/SliderDemo.java @@ -35,7 +35,9 @@ import javax.swing.JSlider; public class SliderDemo extends JFrame implements ActionListener { - + + private JPanel content; + JSlider hslider1; JSlider hslider2; JSlider hslider3; @@ -59,13 +61,13 @@ public class SliderDemo extends JFrame implements ActionListener public SliderDemo(String frameTitle) { super(frameTitle); - JPanel content = createContent(); + JPanel cont = createContent(); JPanel closePanel = new JPanel(); JButton closeButton = new JButton("Close"); closeButton.setActionCommand("CLOSE"); closeButton.addActionListener(this); closePanel.add(closeButton); - content.add(closePanel, BorderLayout.SOUTH); + cont.add(closePanel, BorderLayout.SOUTH); getContentPane().add(content); } @@ -78,20 +80,23 @@ public class SliderDemo extends JFrame implements ActionListener */ JPanel createContent() { - JPanel content = new JPanel(new BorderLayout()); - JPanel panel = new JPanel(new GridLayout(1, 2)); - panel.add(createHorizontalPanel()); - panel.add(createVerticalPanel()); - enabledCheckBox = new JCheckBox("Enabled"); - enabledCheckBox.setSelected(true); - enabledCheckBox.setActionCommand("TOGGLE_ENABLED"); - enabledCheckBox.addActionListener(this); - JPanel checkBoxPanel = new JPanel(); - checkBoxPanel.add(enabledCheckBox); - JPanel panel2 = new JPanel(new BorderLayout()); - panel2.add(panel); - panel2.add(checkBoxPanel, BorderLayout.SOUTH); - content.add(panel2); + if (content == null) + { + content = new JPanel(new BorderLayout()); + JPanel panel = new JPanel(new GridLayout(1, 2)); + panel.add(createHorizontalPanel()); + panel.add(createVerticalPanel()); + enabledCheckBox = new JCheckBox("Enabled"); + enabledCheckBox.setSelected(true); + enabledCheckBox.setActionCommand("TOGGLE_ENABLED"); + enabledCheckBox.addActionListener(this); + JPanel checkBoxPanel = new JPanel(); + checkBoxPanel.add(enabledCheckBox); + JPanel panel2 = new JPanel(new BorderLayout()); + panel2.add(panel); + panel2.add(checkBoxPanel, BorderLayout.SOUTH); + content.add(panel2); + } return content; } diff --git a/examples/gnu/classpath/examples/swing/TableDemo.java b/examples/gnu/classpath/examples/swing/TableDemo.java index 0442bcad3..92f4cc758 100644 --- a/examples/gnu/classpath/examples/swing/TableDemo.java +++ b/examples/gnu/classpath/examples/swing/TableDemo.java @@ -130,7 +130,9 @@ public class TableDemo extends JFrame return super.getColumnClass(column); } } - + + private JPanel content; + /** * The table being displayed. */ @@ -165,29 +167,33 @@ public class TableDemo extends JFrame */ JPanel createContent() { - JPanel p = new JPanel(); - p.setLayout(new BorderLayout()); - table.setModel(model); - values = new Object[rows][]; - for (int i = 0; i < values.length; i++) + if (content == null) { - values[i] = new Object[cols]; - for (int j = 1; j < cols; j++) + JPanel p = new JPanel(); + p.setLayout(new BorderLayout()); + table.setModel(model); + values = new Object[rows][]; + for (int i = 0; i < values.length; i++) { - values[i][j] = "" + ((char) ('a' + j)) + i; + values[i] = new Object[cols]; + for (int j = 1; j < cols; j++) + { + values[i][j] = "" + ((char) ('a' + j)) + i; + } + values [i][0] = i % 2 == 0? Boolean.TRUE : Boolean.FALSE; } - values [i][0] = i % 2 == 0? Boolean.TRUE : Boolean.FALSE; + + // Create the table, place it into scroll pane and place + // the pane into this frame. + JScrollPane scroll = new JScrollPane(); + + // The horizontal scroll bar is never needed. + scroll.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER); + scroll.getViewport().add(table); + p.add(scroll, BorderLayout.CENTER); + content = p; } - - // Create the table, place it into scroll pane and place - // the pane into this frame. - JScrollPane scroll = new JScrollPane(); - - // The horizontal scroll bar is never needed. - scroll.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER); - scroll.getViewport().add(table); - p.add(scroll, BorderLayout.CENTER); - return p; + return content; } /** diff --git a/examples/gnu/classpath/examples/swing/TextFieldDemo.java b/examples/gnu/classpath/examples/swing/TextFieldDemo.java index 5ddf11680..11850d07d 100644 --- a/examples/gnu/classpath/examples/swing/TextFieldDemo.java +++ b/examples/gnu/classpath/examples/swing/TextFieldDemo.java @@ -107,6 +107,8 @@ public class TextFieldDemo } } + private JPanel content; + /** * The left aligned textfields and state buttons. */ @@ -180,15 +182,18 @@ JPanel textFieldPanel1; */ JPanel createContent() { - JPanel content = new JPanel(new BorderLayout()); - JPanel panel = new JPanel(new GridLayout(5, 1)); - panel.add(createLeftAlignedPanel()); - panel.add(createRightAlignedPanel()); - panel.add(createCenteredPanel()); - panel.add(createCustomColoredPanel()); - panel.add(createMiscPanel()); - content.add(panel); - //content.setPreferredSize(new Dimension(400, 300)); + if (content == null) + { + content = new JPanel(new BorderLayout()); + JPanel panel = new JPanel(new GridLayout(5, 1)); + panel.add(createLeftAlignedPanel()); + panel.add(createRightAlignedPanel()); + panel.add(createCenteredPanel()); + panel.add(createCustomColoredPanel()); + panel.add(createMiscPanel()); + content.add(panel); + //content.setPreferredSize(new Dimension(400, 300)); + } return content; } |