/*
* (c) Copyright 2010-2011 AgileBirds
*
* This file is part of OpenFlexo.
*
* OpenFlexo is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* OpenFlexo is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
*
*/
package org.openflexo.components.tabular.model;
import java.awt.Component;
import javax.swing.DefaultCellEditor;
import javax.swing.DefaultComboBoxModel;
import javax.swing.DefaultListCellRenderer;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JTable;
import javax.swing.table.TableCellEditor;
import javax.swing.table.TableCellRenderer;
import org.openflexo.foundation.FlexoModelObject;
import org.openflexo.kvc.ChoiceList;
/**
* Represents a column where values can be viewed and edited as ChoiceList instances
*
* @author sguerin
*
*/
public abstract class ChoiceListColumn<D extends FlexoModelObject> extends AbstractColumn<D, ChoiceList> implements
EditableColumn<D, ChoiceList> {
private ChoiceListCellRenderer _cellRenderer;
private ChoiceListCellEditor _cellEditor;
public ChoiceListColumn(String title, int defaultWidth) {
super(title, defaultWidth, true);
_cellRenderer = new ChoiceListCellRenderer();
_cellEditor = new ChoiceListCellEditor(new JComboBox());
}
@Override
public Class getValueClass() {
return ChoiceList.class;
}
@Override
public ChoiceList getValueFor(D object) {
return getValue(object);
}
public abstract ChoiceList getValue(D object);
@Override
public boolean isCellEditableFor(D object) {
return true;
}
@Override
public void setValueFor(D object, ChoiceList value) {
setValue(object, value);
}
public abstract void setValue(D object, ChoiceList aValue);
/**
* @return
*/
@Override
public TableCellRenderer getCellRenderer() {
return _cellRenderer;
}
protected class ChoiceListCellRenderer extends TabularViewCellRenderer {
/**
*
* Returns the selector cell renderer.
*
* @param table
* the <code>JTable</code>
* @param value
* the value to assign to the cell at <code>[row, column]</code>
* @param isSelected
* true if cell is selected
* @param hasFocus
* true if cell has focus
* @param row
* the row of the cell to render
* @param column
* the column of the cell to render
* @return the default table cell renderer
*/
@Override
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
Component returned = super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
if (returned instanceof JLabel) {
((JLabel) returned).setText(renderChoiceListValue((ChoiceList) value));
}
return returned;
}
}
protected abstract String renderChoiceListValue(ChoiceList value);
/**
* Must be overriden if required
*
* @return
*/
@Override
public boolean requireCellEditor() {
return true;
}
/**
* Must be overriden if required
*
* @return
*/
@Override
public TableCellEditor getCellEditor() {
return _cellEditor;
}
protected class ChoiceListCellEditor extends DefaultCellEditor {
private ChoiceListComboBoxModel _comboBoxModel;
private JComboBox comboBox;
public ChoiceListCellEditor(JComboBox aComboBox) {
super(aComboBox);
comboBox = aComboBox;
comboBox.setRenderer(new DefaultListCellRenderer() {
@Override
public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
Component returned = super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
if (returned instanceof JLabel) {
((JLabel) returned).setText(renderChoiceListValue((ChoiceList) value));
}
return returned;
}
});
}
@Override
public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected, int row, int column) {
Component returned = super.getTableCellEditorComponent(table, value, isSelected, row, column);
comboBox.setModel(getComboBoxModel((ChoiceList) value));
return returned;
}
private ChoiceListComboBoxModel getComboBoxModel(ChoiceList choiceList) {
if (_comboBoxModel == null) {
_comboBoxModel = new ChoiceListComboBoxModel(choiceList);
}
_comboBoxModel.setChoiceList(choiceList);
return _comboBoxModel;
}
protected class ChoiceListComboBoxModel extends DefaultComboBoxModel {
protected ChoiceListComboBoxModel(ChoiceList choiceList) {
super();
setChoiceList(choiceList);
}
protected void setChoiceList(ChoiceList aChoiceList) {
if (aChoiceList != null) {
removeAllElements();
for (Object obj : aChoiceList.getAvailableValues()) {
addElement(obj);
}
setSelectedItem(aChoiceList);
}
}
}
}
@Override
public String toString() {
return "ChoiceListColumn " + "@" + Integer.toHexString(hashCode());
}
}