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package org.netbeans.modules.scala.debugger;
import java.awt.AWTKeyStroke;
import java.awt.Container;
import java.awt.Dialog;
import java.awt.Dimension;
import java.awt.FontMetrics;
import java.awt.KeyboardFocusManager;
import java.awt.event.ComponentEvent;
import java.awt.event.ComponentListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.net.MalformedURLException;
import java.net.URL;
import javax.swing.text.Document;
import javax.swing.text.EditorKit;
import javax.swing.text.Keymap;
import org.netbeans.api.debugger.DebuggerEngine;
import org.netbeans.api.debugger.DebuggerManager;
import org.netbeans.api.debugger.jpda.CallStackFrame;
import org.netbeans.api.debugger.jpda.JPDADebugger;
import org.netbeans.api.java.source.JavaSource;
import org.openide.awt.Mnemonics;
import org.openide.filesystems.FileObject;
import org.openide.filesystems.URLMapper;
import org.openide.loaders.DataObject;
import org.openide.loaders.DataObjectNotFoundException;
import org.openide.text.CloneableEditorSupport;
import org.openide.util.NbBundle;
import javax.swing.*;
import javax.swing.border.EmptyBorder;
import javax.swing.border.CompoundBorder;
import java.util.*;
import java.awt.BorderLayout;
import java.io.IOException;
import javax.swing.text.StyledDocument;
import org.netbeans.api.java.source.ui.DialogBinding;
import org.openide.ErrorManager;
import org.openide.cookies.EditorCookie;
import org.openide.text.NbDocument;
/**
* A GUI panel for customizing a Watch.
* @author Maros Sandor
*/
public class WatchPanel {
private JPanel panel;
private JEditorPane editorPane;
private String expression;
public WatchPanel(String expression) {
this.expression = expression;
}
public static void setupContext(JEditorPane editorPane) {
EditorKit kit = CloneableEditorSupport.getEditorKit("text/x-scala");
editorPane.setEditorKit(kit);
DebuggerEngine en = DebuggerManager.getDebuggerManager ().getCurrentEngine();
JPDADebugger d = en.lookupFirst(null, JPDADebugger.class);
CallStackFrame csf = d.getCurrentCallStackFrame();
if (csf != null) {
String language = DebuggerManager.getDebuggerManager ().getCurrentSession().getCurrentLanguage();
SourcePath sp = en.lookupFirst(null, SourcePath.class);
String url = sp.getURL(csf, language);
int line = csf.getLineNumber(language);
setupContext(editorPane, url, line);
}
}
public static void setupContext(JEditorPane editorPane, String url, int line) {
FileObject file;
StyledDocument doc;
try {
file = URLMapper.findFileObject (new URL (url));
if (file == null) {
return;
}
try {
DataObject dobj = DataObject.find (file);
EditorCookie ec = (EditorCookie) dobj.getCookie(EditorCookie.class);
if (ec == null) {
return;
}
try {
doc = ec.openDocument();
} catch (IOException ex) {
ErrorManager.getDefault().notify(ex);
return;
}
} catch (DataObjectNotFoundException ex) {
// null dobj
return;
}
} catch (MalformedURLException e) {
// null dobj
return;
}
try {
int offset = NbDocument.findLineOffset(doc, line);
//editorPane.getDocument().putProperty(javax.swing.text.Document.StreamDescriptionProperty, dobj);
JavaSource js = DialogBinding.bindComponentToFile(file, offset, 0, editorPane);
} catch (IndexOutOfBoundsException ioobex) {
ErrorManager.getDefault().notify(ErrorManager.INFORMATIONAL, ioobex);
}
}
public JComponent getPanel() {
if (panel != null) return panel;
panel = new JPanel();
ResourceBundle bundle = NbBundle.getBundle(WatchPanel.class);
panel.getAccessibleContext ().setAccessibleDescription (bundle.getString ("ACSD_WatchPanel")); // NOI18N
JLabel textLabel = new JLabel();
Mnemonics.setLocalizedText(textLabel, bundle.getString ("CTL_Watch_Name")); // NOI18N
editorPane = new JEditorPane();//expression); // NOI18N
editorPane.setText(expression);
setupContext(editorPane);//, EditorContextBridge.getContext().getCurrentURL (),
//EditorContextBridge.getContext().getCurrentLineNumber ());
JScrollPane sp = createScrollableLineEditor(editorPane);
FontMetrics fm = editorPane.getFontMetrics(editorPane.getFont());
int size = 2*fm.getLeading() + fm.getMaxAscent() + fm.getMaxDescent() + 2;
editorPane.setPreferredSize(new Dimension(30*size, (int) (1*size)));
sp.setPreferredSize(new Dimension(30*size, (int) (1*size) + 2));
textLabel.setBorder (new EmptyBorder (0, 0, 5, 0));
panel.setLayout (new BorderLayout ());
panel.setBorder (new EmptyBorder (11, 12, 1, 11));
panel.add (BorderLayout.NORTH, textLabel);
panel.add (BorderLayout.CENTER, sp);
editorPane.getAccessibleContext ().setAccessibleDescription (bundle.getString ("ACSD_CTL_Watch_Name")); // NOI18N
editorPane.setText (expression);
editorPane.selectAll ();
textLabel.setLabelFor (editorPane);
editorPane.requestFocus ();
return panel;
}
public String getExpression() {
return editorPane.getText().trim();
}
public static JScrollPane createScrollableLineEditor(JEditorPane editorPane) {
editorPane.setKeymap(new FilteredKeymap(editorPane));
JScrollPane sp = new JScrollPane(editorPane, JScrollPane.VERTICAL_SCROLLBAR_NEVER,
JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
editorPane.setBorder (
new CompoundBorder (editorPane.getBorder (),
new EmptyBorder (0, 0, 0, 0))
);
JTextField referenceTextField = new JTextField();
int preferredHeight = referenceTextField.getPreferredSize().height;
if (sp.getPreferredSize().height < preferredHeight) {
sp.setPreferredSize(referenceTextField.getPreferredSize());
}
sp.setMinimumSize(sp.getPreferredSize());
Set<AWTKeyStroke> tfkeys = referenceTextField.getFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS);
editorPane.setFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS, tfkeys);
tfkeys = referenceTextField.getFocusTraversalKeys(KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS);
editorPane.setFocusTraversalKeys(KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS, tfkeys);
return sp;
}
}