javax.swing.DefaultListModel#insertElementAt ( )源码实例Demo

/**
 * Bewegt den aktuellen Eintrag nach unten.
 *
 * @param evt das auslösende Ereignis
 */
private void moveDownButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_moveDownButtonActionPerformed
  int index = itemsList.getSelectedIndex();

  if (index == -1) {
    return;
  }

  DefaultListModel<String> model = (DefaultListModel<String>) itemsList.getModel();

  if (index == model.size() - 1) {
    return;
  }

  String value = model.getElementAt(index);
  model.removeElementAt(index);
  model.insertElementAt(value, index + 1);
  itemsList.setSelectedIndex(index + 1);
}
 

private void moveUpButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_moveUpButtonActionPerformed
  int index = itemsList.getSelectedIndex();

  if (index == -1) {
    return;
  }

  if (index == 0) {
    return;
  }

  DefaultListModel<String> model = (DefaultListModel<String>) itemsList.getModel();
  String value = model.getElementAt(index);
  model.removeElementAt(index);
  model.insertElementAt(value, index - 1);
  itemsList.setSelectedIndex(index - 1);
}
 

private void javaCompletionExcluderDialogOkButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_javaCompletionExcluderDialogOkButtonActionPerformed
    JList list = getSelectedExcluderList();
    String text = javaCompletionExcluderDialogTextField.getText();
    DefaultListModel model = (DefaultListModel) list.getModel();
    int index = model.size();
    if (javaExcluderEditing != null){
        // if this was an "edit" rather than "add", then remove the old entry first
        index = model.indexOf(javaExcluderEditing);
        model.remove(index);
        javaExcluderEditing = null;
    }
    String[] entries = text.split(","); // NOI18N
    for (String entry : entries) {
        // strip zero width spaces
        entry = entry.replaceAll("\u200B", "");  // NOI18N
        entry = entry.trim();
        if (entry.length() != 0 && entry.matches(JAVA_FQN_REGEX)){
            model.insertElementAt(entry, index);
            index++;
        }
    }
    updateExcluder(list);
    javaCompletionExcluderDialog2.setVisible(false);
    javaCompletionExcluderDialogTextField.setText(null);
}
 

private void displayLocations() {
    DefaultListModel<String> locModel = ((DefaultListModel<String>) locList
            .getModel());
    locModel.removeAllElements();
    locModel.insertElementAt(
            Messages.getString("MechDisplay.AllEquipment"), LOC_ALL_EQUIP);
    locModel.insertElementAt(
            Messages.getString("MechDisplay.AllWeapons"), LOC_ALL_WEAPS);
    locModel.insertElementAt("-----", LOC_SPACER);
    for (int loc = 0; loc < en.locations(); loc++) {
        int idx = loc + LOC_OFFSET;
        if (en.getNumberOfCriticals(loc) > 0) {
            locModel.insertElementAt(en.getLocationName(loc), idx);
        }
    }
    locList.setSelectedIndex(0);
    displaySlots();
}
 

private NoteInfoPane createNotePane(NoteItem note, CharacterFacade character,
	DefaultListModel<PageItem> listModel, List<NoteInfoPane> notePaneList, int pos)
{
	NoteInfoPane notePane = new NoteInfoPane(note);
	PageItem pageItem = new PageItem(character, note, notePane);
	if (pos >= 0 && pos < notePaneList.size())
	{
		// List model also has the portrait etc tabs, so we have to skip over those.
		listModel.insertElementAt(pageItem, pos + NUM_NON_NOTE_NODES);
		notePaneList.add(pos, notePane);
	}
	else
	{
		listModel.addElement(pageItem);
		notePaneList.add(notePane);
	}
	return notePane;
}
 

private NoteInfoPane createNotePane(NoteItem note, CharacterFacade character,
	DefaultListModel<PageItem> listModel, List<NoteInfoPane> notePaneList, int pos)
{
	NoteInfoPane notePane = new NoteInfoPane(note);
	PageItem pageItem = new PageItem(character, note, notePane);
	if (pos >= 0 && pos < notePaneList.size())
	{
		// List model also has the portrait etc tabs, so we have to skip over those.
		listModel.insertElementAt(pageItem, pos + NUM_NON_NOTE_NODES);
		notePaneList.add(pos, notePane);
	}
	else
	{
		listModel.addElement(pageItem);
		notePaneList.add(notePane);
	}
	return notePane;
}
 

private void formattersMoveDownButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_formattersMoveDownButtonActionPerformed
    int index = formattersList.getSelectedIndex();
    if (index < 0) return ;
    DefaultListModel model = (DefaultListModel) formattersList.getModel();
    if (index >= (model.getSize() - 1)) return ;
    Object obj = model.remove(index);
    model.insertElementAt(obj, index + 1);
    formattersList.setSelectedIndex(index + 1);
}