/* Copyright (C) 2004-2007 Sami Koivu
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package net.sf.rej.gui.editor;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import net.sf.rej.Imports;
import net.sf.rej.files.ClassIndex;
import net.sf.rej.files.ClassLocator;
import net.sf.rej.gui.EditorFacade;
import net.sf.rej.gui.MainWindow;
import net.sf.rej.gui.SystemFacade;
import net.sf.rej.gui.dialog.ClassChooseDialog;
import net.sf.rej.java.ClassFile;
import net.sf.rej.java.constantpool.ClassInfo;
import net.sf.rej.java.constantpool.ConstantPool;
import net.sf.rej.java.constantpool.ConstantPoolInfo;
import net.sf.rej.util.Wrapper;
/**
* <code>ClassChooser</code> is a JPanel GUI component for selecting a class in the
* project in the instruction editor
*
* @author Sami Koivu
*/
public class ClassChooser extends JPanel {
private Action chooserAction = new AbstractAction("...") {
public void actionPerformed(ActionEvent e) {
ClassIndex cpIndex = SystemFacade.getInstance().getClassIndex();
ClassChooseDialog ccd = new ClassChooseDialog(MainWindow
.getInstance(), cpIndex);
ccd.invoke();
ClassLocator cl = ccd.getSelected();
if (cl != null) {
ClassChooser.this.model.addElement(cl);
ClassChooser.this.combo.setSelectedItem(cl);
if (layoutChangeListener != null) {
layoutChangeListener.layoutChanged(ClassChooser.this);
}
}
}
};
DefaultComboBoxModel model = new DefaultComboBoxModel();
private JLabel label = new JLabel("Class: ");
JComboBox combo = new JComboBox(this.model);
private JButton button = new JButton(this.chooserAction);
private ConstantPool cp = null;
private ClassFile cf = null;
private Imports imports = null;
private LayoutChangeListener layoutChangeListener = null;
public ClassChooser(LayoutChangeListener layoutChangeListener) {
super();
this.layoutChangeListener = layoutChangeListener;
this.setLayout(new GridBagLayout());
this.add(this.label, new GridBagConstraints(0, 0, 1, 1, 0.0, 0.0,
GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(
0, 0, 0, 0), 0, 0));
this.add(this.combo, new GridBagConstraints(1, 0, 1, 1, 0.0, 0.0,
GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(
0, 0, 0, 0), 0, 0));
this.add(this.button, new GridBagConstraints(2, 0, 1, 1, 0.0, 0.0,
GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(
0, 0, 0, 0), 0, 0));
}
public void setClassFile(ClassFile cf) {
this.cf = cf;
}
public void setConstantPool(ConstantPool pool) {
this.cp = pool;
this.imports = EditorFacade.getInstance().getImports(this.cf);
for (int i = 0; i < this.cp.size(); i++) {
ConstantPoolInfo cpi = this.cp.get(i);
if (cpi != null) {
if (cpi.getType() == ConstantPoolInfo.CLASS) {
this.model.addElement(createWrapper((ClassInfo) cpi));
}
}
}
}
public Wrapper<ClassInfo> createWrapper(ClassInfo ci) {
Wrapper<ClassInfo> wrapper = new Wrapper<ClassInfo>();
wrapper.setContent(ci);
wrapper.setDisplay(this.imports.getShortName(ci.getName()));
return wrapper;
}
/**
* Returns an integer value(an index to the constant pool) or a String with
* the class name.
*
* @return Object Selected value
*/
public Object getValue() {
Object o = this.combo.getSelectedItem();
int value = 0;
// TODO: calls to addClassRef cannot be done outside of undo
if (o instanceof String) {
return o;
} else if (o instanceof ClassLocator) {
ClassLocator cl = (ClassLocator) o;
return cl.getFullName();
} else {
ClassInfo ci = (ClassInfo) ((Wrapper) o).getContent();
value = this.cp.optionalAdd(ci);
}
return Integer.valueOf(value);
}
public void setSelected(Object o) {
this.combo.setSelectedItem(createWrapper((ClassInfo) o));
}
public void setEditable(boolean b) {
this.combo.setEditable(b);
}
public void setReadOnly() {
this.combo.setEnabled(false);
}
}