org.opentcs.kernelcontrolcenter.util.SingleCellEditor Maven / Gradle / Ivy
/**
* Copyright (c) The openTCS Authors.
*
* This program is free software and subject to the MIT license. (For details,
* see the licensing information (LICENSE.txt) you should have received with
* this copy of the software.)
*/
package org.opentcs.kernelcontrolcenter.util;
import java.awt.Component;
import java.awt.event.KeyEvent;
import java.awt.event.MouseEvent;
import java.util.EventObject;
import java.util.HashMap;
import java.util.Map;
import javax.swing.DefaultCellEditor;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.event.CellEditorListener;
import javax.swing.table.TableCellEditor;
/**
* A cell editor for maintaining different editors in one column.
*/
public final class SingleCellEditor
implements
TableCellEditor {
/**
* The TableCellEditors for every cell.
*/
private final Map editors;
/**
* The current editor.
*/
private TableCellEditor editor;
/**
* The default editor.
*/
private final TableCellEditor defaultEditor;
/**
* The table associated with the editors.
*/
private final JTable table;
/**
* Constructs a SingleCellEditor.
*
* @param table The JTable associated
*/
public SingleCellEditor(JTable table) {
this.table = table;
editors = new HashMap<>();
defaultEditor = new DefaultCellEditor(new JTextField());
}
/**
* Assigns an editor to a row.
*
* @param row table row
* @param rowEditor table cell editor
*/
public void setEditorAt(int row, TableCellEditor rowEditor) {
editors.put(row, rowEditor);
}
@Override
public Component getTableCellEditorComponent(
JTable whichTable,
Object value,
boolean isSelected,
int row,
int column
) {
return editor.getTableCellEditorComponent(
whichTable,
value,
isSelected,
row,
column
);
}
@Override
public Object getCellEditorValue() {
return editor.getCellEditorValue();
}
@Override
public boolean stopCellEditing() {
return editor.stopCellEditing();
}
@Override
public void cancelCellEditing() {
editor.cancelCellEditing();
}
@Override
public boolean isCellEditable(EventObject anEvent) {
if (anEvent instanceof KeyEvent) {
return false;
}
selectEditor((MouseEvent) anEvent);
return editor.isCellEditable(anEvent);
}
@Override
public void addCellEditorListener(CellEditorListener l) {
editor.addCellEditorListener(l);
}
@Override
public void removeCellEditorListener(CellEditorListener l) {
editor.removeCellEditorListener(l);
}
@Override
public boolean shouldSelectCell(EventObject anEvent) {
selectEditor((MouseEvent) anEvent);
return editor.shouldSelectCell(anEvent);
}
/**
* Sets the current editor.
*
* @param e A MouseEvent
*/
public void selectEditor(MouseEvent e) {
int row;
if (e == null) {
row = table.getSelectionModel().getAnchorSelectionIndex();
}
else {
row = table.convertRowIndexToModel(table.rowAtPoint(e.getPoint()));
}
editor = editors.get(row);
if (editor == null) {
editor = defaultEditor;
}
table.changeSelection(row, table.getColumn("Adapter").getModelIndex(), false, false);
}
}