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arranging labels and textfields inside of border by using GBL layout

Posted on 2004-04-01
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Last Modified: 2006-11-17
hi!

I need put some JLabels and JTextFields inside of border the following manner.

   label_1:  textField
   label_2:  testField
   ...
   ...

Somehow, mine just arrange all horizontally.
I try to change around,  but didn't help.
How do I correct that?
**********************************
  public void createSinDataPanel() {
    sinDataPanel = new JPanel();
    GridBagLayout layout = new GridBagLayout();
    sinDataPanel.setLayout(layout);

    sinCheckBox = new JCheckBox("Sine plot");
    constraints = new GridBagConstraints();

    arrageComponent(sinCheckBox, 0, 0, 1, 1);
    constraints.insets = new java.awt.Insets(2, 2, 2, 2);
    constraints.anchor = constraints.WEST;
    sinDataPanel.add(sinCheckBox, constraints);
//----------------------
    JPanel inputPanel = new JPanel();
    inputPanel.setBorder( BorderFactory.createTitledBorder("Sine parameters") );
    arrageComponent(inputPanel, 0, 1, 1, 1);
    sinDataPanel.add(inputPanel, constraints);

    JLabel ampLabel = new JLabel("Amplitude: ");
    JLabel periodLabel = new JLabel("Period: ");
    JLabel minXLabel = new JLabel("Min X: ");
    JLabel maxXLabel = new JLabel("Max X: ");
    JLabel cgcLabel = new JLabel("Current Graph Color: ");

    ampTField = new JTextField("1.0", 5);
    periodTField = new JTextField("1.0", 5);
    minXSinTField = new JTextField("0.0", 5);
    maxXSinTField = new JTextField("1.0", 5);
                                                                           //--------------------labels and textfields inside of border
    arrageComponent(ampLabel, 0, 1, 1, 1);
    constraints.anchor = GridBagConstraints.WEST;
    inputPanel.add(ampLabel, constraints);

    arrageComponent(ampTField, 1, 1, 1, 1);
    constraints.anchor = GridBagConstraints.EAST;
    inputPanel.add(ampTField, constraints);

    arrageComponent(periodLabel, 0, 2, 1, 1);
    constraints.anchor = GridBagConstraints.WEST;
    inputPanel.add(periodLabel, constraints);

    arrageComponent(periodTField, 1, 2, 1, 1);
    constraints.anchor = GridBagConstraints.EAST;
    inputPanel.add(periodTField, constraints);

...
...
}

*****************************
  private void arrageComponent(Component component, int column, int row,
                               int width, int height) {
    constraints.gridx = column;
    constraints.gridy = row;

    constraints.gridwidth = width;
    constraints.gridheight = height;
    constraints.anchor = GridBagConstraints.LINE_END;
  }
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Question by:dkim18
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4 Comments
 
LVL 37

Accepted Solution

by:
zzynx earned 200 total points
ID: 10732367
You'll never learn it ;)

inputPanel.setLayout( new GridBagLayout() );

before adding items to it
0
 
LVL 37

Expert Comment

by:zzynx
ID: 10732375
When you do

new JPanel()

the panel has a *FlowLayout by default* (which explains the horizontal layout)
0
 

Author Comment

by:dkim18
ID: 10732577
I wasn't realizing that simple mistake...
you are right..java  is rather straightforward...

Thanks,
0
 
LVL 37

Expert Comment

by:zzynx
ID: 10732643
You're welcome.
Thanks for accepting
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