/*
* eXist Open Source Native XML Database
* Copyright (C) 2001-2015 The eXist Project
* http://exist-db.org
*
* This program 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
* of the License, or (at your option) any later version.
*
* This program 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.exist.client;
import java.awt.Component;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import java.util.ArrayList;
import java.util.List;
import javax.swing.Box;
import javax.swing.DefaultCellEditor;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTable;
import javax.swing.ListSelectionModel;
import javax.swing.border.TitledBorder;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableCellRenderer;
import org.exist.security.PermissionDeniedException;
import org.exist.xmldb.XmldbURI;
import org.xmldb.api.base.Collection;
import org.xmldb.api.base.XMLDBException;
/**
* Dialog for viewing and editing Triggers in the Admin Client
*
* @author Adam Retter <adam.retter@googlemail.com>
* @serial 2012-11-24
* @version 1.1
*/
class TriggersDialog extends JFrame {
private static final long serialVersionUID = 1L;
private CollectionXConf cx = null;
private JComboBox cmbCollections;
private JTable tblTriggers;
private TriggersTableModel triggersModel;
private InteractiveClient client;
public TriggersDialog(final String title, final InteractiveClient client) {
super(title);
this.client = client;
this.setIconImage(InteractiveClient.getExistIcon(getClass()).getImage());
//capture the frame's close event
final WindowListener windowListener = new WindowAdapter() {
@Override
public void windowClosing(final WindowEvent e) {
saveChanges();
TriggersDialog.this.setVisible(false);
TriggersDialog.this.dispose();
}
};
this.addWindowListener(windowListener);
//draw the GUI
setupComponents();
//Get the indexes for the root collection
actionGetTriggers(XmldbURI.ROOT_COLLECTION);
}
private void setupComponents() {
//Dialog Content Panel
final GridBagLayout grid = new GridBagLayout();
getContentPane().setLayout(grid);
//Constraints for Layout
final GridBagConstraints c = new GridBagConstraints();
c.insets = new Insets(2, 2, 2, 2);
//collection label
final JLabel label = new JLabel(Messages.getString("TriggersDialog.Collection"));
c.gridx = 0;
c.gridy = 0;
c.gridwidth = 1;
c.anchor = GridBagConstraints.WEST;
c.fill = GridBagConstraints.NONE;
grid.setConstraints(label, c);
getContentPane().add(label);
//get the collections but not system collections
final List<PrettyXmldbURI> alCollections = new ArrayList<>();
try {
final Collection root = client.getCollection(XmldbURI.ROOT_COLLECTION);
final List<PrettyXmldbURI> alAllCollections = getCollections(root, new ArrayList<>());
for(int i = 0; i < alAllCollections.size(); i++) {
//TODO : use XmldbURIs !
if(!alAllCollections.get(i).toString().contains(XmldbURI.CONFIG_COLLECTION)) {
alCollections.add(alAllCollections.get(i));
}
}
} catch(final XMLDBException e) {
ClientFrame.showErrorMessage(e.getMessage(), e);
return;
}
//Create a combobox listing the collections
cmbCollections = new JComboBox(alCollections.toArray());
cmbCollections.addActionListener(e -> {
saveChanges();
final JComboBox cb = (JComboBox)e.getSource();
actionGetTriggers(cb.getSelectedItem().toString());
});
c.gridx = 1;
c.gridy = 0;
c.gridwidth = 1;
c.anchor = GridBagConstraints.WEST;
c.fill = GridBagConstraints.HORIZONTAL;
c.weightx = 1;
grid.setConstraints(cmbCollections, c);
getContentPane().add(cmbCollections);
//Panel to hold controls relating to the Triggers Index
final JPanel panelTriggers = new JPanel();
panelTriggers.setBorder(new TitledBorder(Messages.getString("TriggersDialog.Triggers")));
final GridBagLayout panelTriggersGrid = new GridBagLayout();
panelTriggers.setLayout(panelTriggersGrid);
//Table to hold the Triggers with Sroll bar
triggersModel = new TriggersTableModel();
tblTriggers = new JTable(triggersModel);
tblTriggers.setAutoResizeMode(JTable.AUTO_RESIZE_NEXT_COLUMN);
tblTriggers.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
//Toolbar with add/delete buttons for Triggers
final Box triggersToolbarBox = Box.createHorizontalBox();
//add button
final JButton btnAddTrigger = new JButton(Messages.getString("TriggersDialog.addbutton"));
btnAddTrigger.addActionListener(e -> actionAddTrigger());
triggersToolbarBox.add(btnAddTrigger);
//delete button
final JButton btnDeleteTrigger = new JButton(Messages.getString("TriggersDialog.deletebutton"));
btnDeleteTrigger.addActionListener(e -> actionDeleteTrigger());
triggersToolbarBox.add(btnDeleteTrigger);
c.gridx = 0;
c.gridy = 4;
c.gridwidth = 2;
c.anchor = GridBagConstraints.CENTER;
c.fill = GridBagConstraints.BOTH;
c.weightx = 0;
c.weighty = 0;
panelTriggersGrid.setConstraints(triggersToolbarBox, c);
panelTriggers.add(triggersToolbarBox);
//add triggers panel to content frame
c.gridx = 0;
c.gridy = 1;
c.gridwidth = 2;
c.anchor = GridBagConstraints.WEST;
c.fill = GridBagConstraints.BOTH;
c.weightx = 1;
c.weighty = 1;
grid.setConstraints(panelTriggers, c);
getContentPane().add(panelTriggers);
pack();
}
//if changes have been made, allows the user to save them
private void saveChanges() {
//the collection has been changed
if(cx.hasChanged()) {
//ask the user if they would like to save the changes
final int result = JOptionPane.showConfirmDialog(getContentPane(), "The configuration for the collection has changed, would you like to save the changes?", "Save Changes", JOptionPane.YES_NO_OPTION);
if(result == JOptionPane.YES_OPTION) {
//save the collection.xconf changes
if(cx.Save()) {
//save ok
JOptionPane.showMessageDialog(getContentPane(), "Your changes have been saved.");
} else {
//save failed
JOptionPane.showMessageDialog(getContentPane(), "Unable to save changes!");
}
}
}
}
//THIS IS A COPY FROM ClientFrame
//TODO: share this code between the two classes
private List<PrettyXmldbURI> getCollections(final Collection root, final List<PrettyXmldbURI> collectionsList) throws XMLDBException {
collectionsList.add(new PrettyXmldbURI(XmldbURI.create(root.getName())));
final String[] childCollections = root.listChildCollections();
Collection child;
for(int i = 0; i < childCollections.length; i++) {
try {
child = root.getChildCollection(childCollections[i]);
} catch(final XMLDBException xmldbe) {
if(xmldbe.getCause() instanceof PermissionDeniedException) {
continue;
} else {
throw xmldbe;
}
}
getCollections(child, collectionsList);
}
return collectionsList;
}
private void actionAddTrigger() {
triggersModel.addRow();
}
private void actionDeleteTrigger() {
final int iSelectedRow = tblTriggers.getSelectedRow();
if(iSelectedRow > -1 ) {
triggersModel.removeRow(iSelectedRow);
}
}
//Displays the indexes when a collection is selection
private void actionGetTriggers(final String collectionName) {
try {
cx = new CollectionXConf(collectionName, client);
triggersModel.fireTableDataChanged();
} catch(final XMLDBException xmldbe) {
ClientFrame.showErrorMessage(xmldbe.getMessage(), xmldbe);
}
}
public static class CheckBoxCellRenderer extends JCheckBox implements TableCellRenderer {
private static final long serialVersionUID = 1L;
public CheckBoxCellRenderer() {
setHorizontalAlignment(JLabel.CENTER);
}
@Override
public Component getTableCellRendererComponent(final JTable table, final Object value, final boolean isSelected, final boolean hasFocus, final int row, final int column) {
if(isSelected) {
setForeground(table.getSelectionForeground());
//super.setBackground(table.getSelectionBackground());
setBackground(table.getSelectionBackground());
} else {
setForeground(table.getForeground());
setBackground(table.getBackground());
}
// Set the state
setSelected((value != null && ((Boolean) value).booleanValue()));
return this;
}
}
public static class CheckBoxCellEditor extends DefaultCellEditor {
private static final long serialVersionUID = 1L;
public CheckBoxCellEditor() {
super(new JCheckBox());
}
}
class TriggersTableModel extends AbstractTableModel {
private static final long serialVersionUID = 1L;
private final String[] columnNames = new String[] { "class", "Parameters" };
public TriggersTableModel() {
super();
fireTableDataChanged();
}
/* (non-Javadoc)
* @see javax.swing.table.TableModel#isCellEditable()
*/
@Override
public void setValueAt(final Object aValue, final int rowIndex, final int columnIndex) {
String triggerClass = null;
if(columnIndex == 0) {
//trigger class name has been updated
triggerClass = (String)aValue;
}
cx.updateTrigger(rowIndex, triggerClass, null);
fireTableCellUpdated(rowIndex, columnIndex);
}
public void removeRow(final int rowIndex) {
cx.deleteTrigger(rowIndex);
fireTableRowsDeleted(rowIndex, rowIndex);
}
public void addRow() {
cx.addTrigger("", null);
fireTableRowsInserted(getRowCount(), getRowCount() + 1);
final ListSelectionModel selectionModel = tblTriggers.getSelectionModel();
selectionModel.setSelectionInterval(getRowCount() -1, getRowCount() -1);
}
/* (non-Javadoc)
* @see javax.swing.table.TableModel#isCellEditable()
*/
@Override
public boolean isCellEditable(final int rowIndex, final int columnIndex) {
return true;
}
/* (non-Javadoc)
* @see javax.swing.table.TableModel#getColumnCount()
*/
@Override
public int getColumnCount() {
return columnNames.length;
}
/* (non-Javadoc)
* @see javax.swing.table.TableModel#getColumnName(int)
*/
@Override
public String getColumnName(final int column) {
return columnNames[column];
}
/* (non-Javadoc)
* @see javax.swing.table.TableModel#getRowCount()
*/
@Override
public int getRowCount() {
return cx != null ? cx.getTriggerCount() : 0;
}
/* (non-Javadoc)
* @see javax.swing.table.TableModel#getValueAt(int, int)
*/
@Override
public Object getValueAt(final int rowIndex, final int columnIndex) {
switch(columnIndex) {
/* class */
case 0:
return cx.getTrigger(rowIndex).getTriggerClass();
default :
return null;
}
}
}
}