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package tim.prune.gui;
import javax.swing.DefaultListModel;
import javax.swing.JList;
import javax.swing.ListSelectionModel;
import tim.prune.I18nManager;
/**
* Listbox class which also contains its own string model.
* Also has the ability to limit its size and show a single
* text instead of a huge list
*/
public class CombinedListAndModel extends JList<String>
{
private DefaultListModel<String> _model = null;
private final int _key;
private int _maxNumEntries = 0;
private boolean _tooManyEntries = false;
private boolean _unlimited = false;
/**
* Constructor
*/
public CombinedListAndModel(int inKey)
{
setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
_model = new DefaultListModel<String>();
setModel(_model);
_key = inKey;
}
/**
* @param inMaxNum maximum number of entries to allow
*/
public void setMaxNumEntries(int inMaxNum)
{
_maxNumEntries = inMaxNum;
}
/**
* @param inUnlimited true if list is temporarily unlimited
*/
public void setUnlimited(boolean inUnlimited)
{
_unlimited = inUnlimited;
}
/**
* @return key
*/
public int getKey()
{
return _key;
}
/**
* @param inItem String to add to the list
*/
public void addItem(String inItem)
{
if (!_tooManyEntries)
{
_model.addElement(inItem);
if (_maxNumEntries > 0 && !_unlimited
&& _model.getSize() > _maxNumEntries)
{
_tooManyEntries = true;
_model.clear();
_model.addElement(I18nManager.getText("dialog.settimezone.list.toomany"));
}
}
}
/**
* @return the selected String, or null
*/
public String getSelectedItem()
{
final int selectedIndex = getSelectedIndex();
if (_tooManyEntries || selectedIndex < 0)
{
return null;
}
return _model.getElementAt(selectedIndex);
}
/**
* Clear the list
*/
public void clear()
{
_model.clear();
_tooManyEntries = false;
_unlimited = false;
}
/**
* @param inItem item to select
*/
public void selectItem(String inItem)
{
if (!_tooManyEntries && inItem != null)
{
this.setSelectedValue(inItem, true);
}
}
}
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