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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
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* KIND, either express or implied. See the License for the
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package org.apache.cayenne.modeler.dialog;
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import javax.swing.DefaultCellEditor;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JPanel;
import javax.swing.JTable;
import javax.swing.table.TableColumn;
import org.apache.cayenne.map.DbAttribute;
import org.apache.cayenne.map.DbEntity;
import org.apache.cayenne.map.DerivedDbAttribute;
import org.apache.cayenne.map.DerivedDbEntity;
import org.apache.cayenne.map.event.AttributeEvent;
import org.apache.cayenne.map.event.MapEvent;
import org.apache.cayenne.modeler.Application;
import org.apache.cayenne.modeler.editor.dbentity.DerivedAttributeParamsTableModel;
import org.apache.cayenne.modeler.util.CayenneDialog;
import org.apache.cayenne.modeler.util.CayenneTable;
import org.apache.cayenne.modeler.util.CayenneTableModel;
import org.apache.cayenne.modeler.util.CayenneWidgetFactory;
import org.apache.cayenne.modeler.util.PanelFactory;
/**
* Dialog window that alows selecting DbAttributes
* for derived attribute expression.
*
* @author Andrei Adamchik
*/
public class EditDerivedParamsDialog extends CayenneDialog implements ActionListener {
protected DerivedDbAttribute attr;
protected JTable table = new CayenneTable();
protected JButton add = new JButton("Add");
protected JButton remove = new JButton("Remove");
protected JButton save = new JButton("Save");
protected JButton cancel = new JButton("Cancel");
/**
* Constructor for EditDerivedParamsDialog.
*/
public EditDerivedParamsDialog(DerivedDbAttribute attr) {
super(Application.getFrame(), "Edit Derived Attribute Parameters", true);
this.attr = attr;
init();
pack();
centerWindow();
}
protected void init() {
Container pane = getContentPane();
pane.setLayout(new BorderLayout());
buildTable();
JPanel panel =
PanelFactory.createTablePanel(
table,
new JButton[] { add, remove, save, cancel });
pane.add(panel, BorderLayout.CENTER);
add.addActionListener(this);
remove.addActionListener(this);
save.addActionListener(this);
cancel.addActionListener(this);
}
protected void buildTable() {
DerivedAttributeParamsTableModel model =
new DerivedAttributeParamsTableModel(attr, getMediator(), this);
table.setModel(model);
table.setRowHeight(25);
table.setRowMargin(3);
TableColumn nameCol = table.getColumnModel().getColumn(model.nameColumnInd());
nameCol.setMinWidth(150);
TableColumn typeCol = table.getColumnModel().getColumn(model.typeColumnInd());
typeCol.setMinWidth(90);
DbEntity parent = ((DerivedDbEntity) attr.getEntity()).getParentEntity();
List list = new ArrayList(32);
list.add("");
list.addAll(parent.getAttributeMap().keySet());
String[] names = (String[]) (list.toArray(new String[list.size()]));
JComboBox comboBox = CayenneWidgetFactory.createComboBox(names, true);
comboBox.setEditable(false);
nameCol.setCellEditor(new DefaultCellEditor(comboBox));
}
/**
* @see java.awt.event.ActionListener#actionPerformed(ActionEvent)
*/
public void actionPerformed(ActionEvent e) {
Object src = e.getSource();
if (src == add) {
addRow();
}
else if (src == remove) {
removeRow();
}
else if (src == save) {
save();
}
else if (src == cancel) {
cancel();
}
}
protected void removeRow() {
DerivedAttributeParamsTableModel model =
(DerivedAttributeParamsTableModel) table.getModel();
model.removeRow(model.getAttribute(table.getSelectedRow()));
}
protected void addRow() {
((CayenneTableModel) table.getModel()).addRow(null);
}
protected void save() {
// update parameters of the derived attribute
attr.clearParams();
Iterator it = ((CayenneTableModel) table.getModel()).getObjectList().iterator();
while (it.hasNext()) {
DbAttribute at = (DbAttribute) it.next();
attr.addParam(at);
}
// notify interested parties about the changes
getMediator().fireDbAttributeEvent(
new AttributeEvent(
this,
attr,
attr.getEntity(),
MapEvent.CHANGE));
setVisible(false);
}
protected void cancel() {
setVisible(false);
}
}