package com.dbxml.db.admin.components;
/*
* dbXML - Native XML Database
* Copyright (c) 1999-2006 The dbXML Group, L.L.C.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* $Id: XSLTViewer.java,v 1.8 2006/02/02 18:53:46 bradford Exp $
*/
import java.awt.*;
import javax.swing.*;
import com.dbxml.db.admin.Admin;
import com.dbxml.db.admin.DocWrapper;
import com.dbxml.db.admin.TabbedNodeEditor;
import com.dbxml.db.admin.swing.JLabelListCellRenderer;
import com.dbxml.db.admin.swing.SyntaxTextArea;
import com.dbxml.xml.dom.DOMHelper;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.io.File;
import java.io.StringWriter;
import java.net.URL;
import javax.swing.event.HyperlinkEvent;
import javax.swing.event.HyperlinkListener;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
/**
* XSLTViewer
*/
public class XSLTViewer extends JPanel implements TabbedNodeEditor {
private TransformerFactory tf = TransformerFactory.newInstance();
private DocWrapper styleSheet;
private boolean active;
private boolean reset;
private DocWrapper doc;
private String text;
private JLabel lblXSLTBrowse = new JLabel();
private BorderLayout layoutPnlXSLTBrowse = new BorderLayout();
private JComboBox cmbContent = new JComboBox();
private JPanel pnlXSLTBrowse = new JPanel();
private JButton btnXSLTBrowse = new JButton();
private BorderLayout thisLayout = new BorderLayout();
private JPanel pnlXSLTView = new JPanel();
private CardLayout layoutPnlXSLTView = new CardLayout();
private JScrollPane scrollHTML = new JScrollPane();
private JEditorPane htmlXSLT = new JEditorPane();
private SyntaxTextArea xmlXSLT = new SyntaxTextArea();
private ImageIcon imgHTMLView;
private ImageIcon imgXMLView;
private ImageIcon imgTextView;
public XSLTViewer() {
try {
jbInit();
cmbContent.setRenderer(JLabelListCellRenderer.getInstance());
cmbContent.addItem(new JLabel("text/html", imgHTMLView, SwingConstants.LEFT));
cmbContent.addItem(new JLabel("text/xml", imgXMLView, SwingConstants.LEFT));
cmbContent.addItem(new JLabel("text/plain", imgTextView, SwingConstants.LEFT));
cmbContent.setSelectedIndex(0);
layoutPnlXSLTView.show(pnlXSLTView, "text/html");
}
catch ( Exception e ) {
Admin.getInstance().addMessage(e.toString());
}
}
private void jbInit() throws Exception {
imgHTMLView = new ImageIcon(XSLTViewer.class.getResource("xslt_view.gif"));
imgXMLView = new ImageIcon(XSLTViewer.class.getResource("text_view.gif"));
imgTextView = new ImageIcon(XSLTViewer.class.getResource("plain_view.gif"));
lblXSLTBrowse.setFont(new Font("Dialog", 0, 12));
lblXSLTBrowse.setForeground(Color.black);
lblXSLTBrowse.setHorizontalAlignment(SwingConstants.RIGHT);
lblXSLTBrowse.setText("(No Stylesheet Selected)");
layoutPnlXSLTBrowse.setHgap(5);
cmbContent.setOpaque(true);
cmbContent.addItemListener(new ItemListener() {
public void itemStateChanged(ItemEvent e) {
cmbContent_itemStateChanged(e);
}
});
cmbContent.setFont(new Font("Dialog", 0, 12));
pnlXSLTBrowse.setLayout(layoutPnlXSLTBrowse);
btnXSLTBrowse.setFont(new Font("Dialog", 0, 12));
btnXSLTBrowse.setText("Browse...");
btnXSLTBrowse.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
btnXSLTBrowse_actionPerformed(e);
}
});
this.setLayout(thisLayout);
pnlXSLTView.setLayout(layoutPnlXSLTView);
htmlXSLT.setMargin(new Insets(1, 1, 1, 1));
htmlXSLT.setEditable(false);
htmlXSLT.setContentType("text/html");
htmlXSLT.addHyperlinkListener(new HyperlinkListener() {
public void hyperlinkUpdate(HyperlinkEvent e) {
htmlXSLT_hyperlinkUpdate(e);
}
});
thisLayout.setHgap(2);
thisLayout.setVgap(2);
pnlXSLTBrowse.add(lblXSLTBrowse, BorderLayout.CENTER);
pnlXSLTBrowse.add(btnXSLTBrowse, BorderLayout.EAST);
pnlXSLTBrowse.add(cmbContent, BorderLayout.WEST);
this.add(pnlXSLTView, BorderLayout.CENTER);
pnlXSLTView.add(scrollHTML, "text/html");
scrollHTML.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
scrollHTML.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
scrollHTML.getViewport().add(htmlXSLT);
this.add(pnlXSLTBrowse, BorderLayout.SOUTH);
xmlXSLT.setEditable(false);
pnlXSLTView.add(xmlXSLT, "text/xml");
}
public void requestFocus() {
switch ( cmbContent.getSelectedIndex() ) {
case 0:
htmlXSLT.requestFocus();
break;
case 1:
case 2:
xmlXSLT.requestFocus();
break;
}
}
public void setStylesheet(String name, DocWrapper styleSheet) {
this.styleSheet = styleSheet;
lblXSLTBrowse.setText(name);
if ( doc != null ) {
if ( active ) {
Admin admin = Admin.getInstance();
admin.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
text = transform(doc.getNode());
setXSLTText(text);
admin.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
}
else
reset = true;
}
}
public void setSelectedIndex(int index) {
cmbContent.setSelectedIndex(index);
}
public void setXSLTText(String xml) {
switch ( cmbContent.getSelectedIndex() ) {
case 0:
htmlXSLT.setText(xml);
htmlXSLT.setCaretPosition(0);
htmlXSLT.scrollRectToVisible(new Rectangle(0, 0, 0, 0));
break;
case 1:
case 2:
xmlXSLT.setText(xml);
xmlXSLT.setHighlighting(cmbContent.getSelectedIndex() == 1);
xmlXSLT.setCaretPosition(0);
break;
}
}
public String transform(Node node) {
try {
String systemID = null;
File f = styleSheet.getFile();
if ( f != null ) {
f = new File(f, styleSheet.getName());
systemID = f.getAbsolutePath();
}
Transformer t = tf.newTransformer(new DOMSource(styleSheet.getNode(), systemID));
StringWriter sw = new StringWriter();
StreamResult sr = new StreamResult(sw);
t.transform(new DOMSource(node), sr);
return sw.toString();
}
catch ( Exception e ) {
Admin.getInstance().addMessage(e.toString());
return null;
}
}
public boolean isModified() {
return false;
}
public void reset() {
reset = true;
}
public void setDocWrapper(DocWrapper doc) {
reset = this.doc != doc;
this.doc = doc;
}
public DocWrapper getDocWrapper() {
return doc;
}
public void activate(boolean readOnly) {
active = true;
if ( styleSheet != null && reset ) {
Admin admin = Admin.getInstance();
admin.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
text = transform(doc.getNode());
setXSLTText(text);
admin.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
}
}
public boolean isCutEnabled() {
return false;
}
public void cut() {
/** @todo This */
}
public boolean isCopyEnabled() {
return true;
}
public void copy() {
switch ( cmbContent.getSelectedIndex() ) {
case 0:
htmlXSLT.copy();
break;
case 1:
case 2:
xmlXSLT.copy();
break;
}
}
public boolean isPasteEnabled() {
return false;
}
public void paste() {
/** @todo This */
}
public boolean isUndoEnabled() {
return false;
}
public void undo() {
/** @todo This */
}
public void find() {
/** @todo This */
}
public void findNext() {
/** @todo This */
}
public boolean isBeautifyEnabled() {
return false;
}
public void beautify() {
/** @todo This */
}
public boolean deactivate() {
active = false;
return true;
}
public void cmbContent_itemStateChanged(ItemEvent e) {
if ( doc != null && styleSheet != null )
setXSLTText("");
switch ( cmbContent.getSelectedIndex() ) {
case 0:
layoutPnlXSLTView.show(pnlXSLTView, "text/html");
break;
case 1:
case 2:
layoutPnlXSLTView.show(pnlXSLTView, "text/xml");
xmlXSLT.setHighlighting(cmbContent.getSelectedIndex() == 1);
break;
}
if ( doc != null && styleSheet != null )
setXSLTText(text);
}
public void btnXSLTBrowse_actionPerformed(ActionEvent e) {
JFileChooser fc = new JFileChooser();
fc.setFileSelectionMode(JFileChooser.FILES_ONLY);
fc.setMultiSelectionEnabled(false);
int result = fc.showDialog(this, "Select");
if ( result == JFileChooser.APPROVE_OPTION ) {
try {
File f = fc.getSelectedFile();
Document doc = DOMHelper.parse(f);
setStylesheet(f.getAbsolutePath(), new DocWrapper(doc, null, f.getParentFile(), f.getName(), false));
}
catch ( Exception ex ) {
}
}
}
public void htmlXSLT_hyperlinkUpdate(final HyperlinkEvent e) {
URL url = e.getURL();
String urlString;
if ( url == null )
urlString = e.getDescription();
else
urlString = url.toString();
if ( e.getEventType() == HyperlinkEvent.EventType.ENTERED )
Admin.getInstance().setStatus("Hyperlink to " + urlString);
else if ( e.getEventType() == HyperlinkEvent.EventType.EXITED )
Admin.getInstance().setStatus("");
}
}