package mapmaker;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class InheritTextArea extends JPanel implements InheritComponent
{
private JTextArea mTextArea;
public JCheckBox mCheckBox = new JCheckBox("Inherit?");
private String mInheritedValue;
private String mValue;
public InheritTextArea(int aRows, int aCols)
{
mTextArea = new JTextArea(aRows, aCols);
setLayout(new BorderLayout());
mCheckBox.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
boolean selected = mCheckBox.isSelected();
if (selected)
{
// Record old value.
mValue = mTextArea.getText();
// Insert inherited value.
mTextArea.setText(mInheritedValue);
}
else
{
// Restore old value.
mTextArea.setText(mValue);
}
setInherited(selected);
}
});
add(new JScrollPane(mTextArea), BorderLayout.CENTER);
JPanel placerPanel = new JPanel(new FlowLayout(FlowLayout.RIGHT));
placerPanel.add(mCheckBox);
add(placerPanel, BorderLayout.SOUTH);
mCheckBox.setEnabled(false);
mTextArea.setLineWrap(true);
mTextArea.setWrapStyleWord(true);
}
public void setValues(String aInheritedValue, String aValue, boolean aInherited)
{
// Determine if there is a value to inherit.
boolean enabled = (aInheritedValue != null && !aInheritedValue.equals(""));
mCheckBox.setEnabled(enabled);
setInherited(aInherited);
if (aInherited)
{
mTextArea.setText(aInheritedValue);
}
else
{
mTextArea.setText(aValue);
}
mInheritedValue = aInheritedValue;
mValue = aValue;
}
public String getInheritedValue()
{
return mInheritedValue;
}
public void setInherited(boolean aInherited)
{
mCheckBox.setSelected(aInherited);
mTextArea.setEnabled(!aInherited);
}
public boolean isInherited()
{
return mCheckBox.isSelected();
}
public void setText(String aText)
{
mTextArea.setText(aText);
}
public String getText()
{
return mTextArea.getText();
}
}
