package mit.util.ui ;

public abstract class ActionPanel
extends mit.swing.ui.LabeledPanel
{
	public abstract mit.swing.xJButton[] getButtons() ;
	public abstract String getActionLabel() ;

	private mit.util.ui.ClearButton clear = new mit.util.ui.ClearButton() ;
	private mit.util.ui.ExitButton exit = new mit.util.ui.ExitButton() ;

	private java.awt.GridBagLayout gbl = new java.awt.GridBagLayout() ;
	private java.awt.GridBagConstraints gbc = new java.awt.GridBagConstraints() ;

	public void setAction()
	{
		try
		{
			removeAll() ;

			gbc.gridx = 1 ;
			gbc.gridy = 1 ;
			gbc.gridwidth = java.awt.GridBagConstraints.REMAINDER ;
			gbc.gridheight = 1 ;
			gbc.weightx = 1.0 ;
			gbc.weighty = 0.0 ;
			gbc.anchor = java.awt.GridBagConstraints.WEST ;
			gbc.fill = java.awt.GridBagConstraints.BOTH ;
			gbc.insets = new java.awt.Insets( 0 , 0 , 0 , 0 ) ;
			gbc.ipadx = 5 ;
			gbc.ipady = 3 ;

			addAComponent( clear , gbl , gbc ) ;
			gbc.gridy ++ ;
			if( null != getButtons() )
			{
				mit.swing.xJButton[] buttons = getButtons() ;
				for( int i = 0 ; buttons.length != i ; i ++ )
				{
					addAComponent( buttons[ i ] , gbl , gbc ) ;
					gbc.gridy ++ ;
				}
			}
			addAComponent( exit , gbl , gbc ) ;
		}
		catch( Exception ex )
		{
			ex.printStackTrace() ;
		}
	}

	public void addNotify()
	{
		super.addNotify() ;
		try
		{
			removeAll() ;
			setLabel( getActionLabel() ) ;
			setLayout( gbl ) ;
			setAction() ;
		}
		catch( Exception ex )
		{
			ex.printStackTrace() ;
		}
	}

	private void addAComponent
	( javax.swing.JComponent component
	, java.awt.GridBagLayout layout
	, java.awt.GridBagConstraints constraints
	)
	{
		layout.setConstraints( component , constraints ) ;
		add( component ) ;
	}

}