// ------------------------------------------------------------------
// from Java Swing 1.2 Orielly - Robert Eckstein
// ------------------------------------------------------------------
protected JTextComponent updateKeymapForWord(JTextComponent textComp) {
// create a new child keymap
Keymap map = JTextComponent.addKeymap("NslmMap", textComp.getKeymap());
// define the keystrokeds to be added
KeyStroke next = KeyStroke.getKeyStroke(KeyEvent.VK_RIGHT, InputEvent.CTRL_MASK, false);
// add the new mappings used DefaultEditorKit actions
map.addActionForKeyStroke(next, getAction(DefaultEditorKit.nextWordAction));
KeyStroke prev = KeyStroke.getKeyStroke(KeyEvent.VK_LEFT, InputEvent.CTRL_MASK, false);
map.addActionForKeyStroke(prev, getAction(DefaultEditorKit.previousWordAction));
KeyStroke selNext =
KeyStroke.getKeyStroke(
KeyEvent.VK_RIGHT, InputEvent.CTRL_MASK | InputEvent.SHIFT_MASK, false);
map.addActionForKeyStroke(selNext, getAction(DefaultEditorKit.selectionNextWordAction));
KeyStroke selPrev =
KeyStroke.getKeyStroke(
KeyEvent.VK_LEFT, InputEvent.CTRL_MASK | InputEvent.SHIFT_MASK, false);
map.addActionForKeyStroke(selPrev, getAction(DefaultEditorKit.selectionPreviousWordAction));
KeyStroke find = KeyStroke.getKeyStroke(KeyEvent.VK_F, InputEvent.CTRL_MASK, false);
map.addActionForKeyStroke(find, getAction("find"));
KeyStroke findAgain = KeyStroke.getKeyStroke(KeyEvent.VK_G, InputEvent.CTRL_MASK, false);
map.addActionForKeyStroke(findAgain, getAction("findAgain"));
// set the keymap for the text component
textComp.setKeymap(map);
return (textComp);
} // end updateKeymapForWord
/**
* References checked: 8.10.2003 (2.0b2)
*
* @param editorType editor type, one of this constants
* <UL>
* <LI>EDITOR_TYPE_DEFAULT
* <LI>EDITOR_TYPE_STYLED
* <LI>EDITOR_TYPE_SINGLE_LINE
* </UL>
*
* @param controler if not <code>null</code> for <code>EDITOR_TYPE_STYLED</code> editors a toolbar
* is created
* @see PresentationDetail#PresentationDetail
*/
TextEditorPanel(
int editorType,
GraphPanelControler controler,
boolean showToolbar,
PresentationDetail detail) {
this.editorType = editorType;
this.controler = controler;
this.showToolbar = showToolbar;
this.detail = detail;
setLayout(new BorderLayout());
// --- build this text editor panel ---
switch (editorType) {
case EDITOR_TYPE_DEFAULT:
textComponent = new JTextArea();
add(new JScrollPane(textComponent));
break;
case EDITOR_TYPE_STYLED:
textComponent = new JTextPane();
textComponent.setTransferHandler(new TextTransferHandler()); // ### requires Java 1.4
// --- add toolbar ---
if (showToolbar) {
JPanel bar = new JPanel();
Hashtable actions = DeepaMehtaClientUtils.createActionTable(textComponent);
bar.setBackground(COLOR_PROPERTY_PANEL);
toolbarButtons = new JButton[3];
addButton(bar, new StyledEditorKit.BoldAction(), actions, controler.boldIcon());
addButton(bar, new StyledEditorKit.ItalicAction(), actions, controler.italicIcon());
addButton(bar, new StyledEditorKit.UnderlineAction(), actions, controler.underlineIcon());
// ### addButton(bar, "H1", CMD_SET_HEADLINE1);
// ### addButton(bar, "H2", CMD_SET_HEADLINE2);
add(bar, BorderLayout.SOUTH);
}
add(new JScrollPane(textComponent));
break;
case EDITOR_TYPE_SINGLE_LINE:
textComponent = new JTextField();
((JTextField) textComponent).addActionListener(this);
add(textComponent);
break;
default:
throw new DeepaMehtaException("unexpected text editor type: " + editorType);
}
// --- enable automatic drag and drop support ---
try {
textComponent.setDragEnabled(true);
} catch (NoSuchMethodError e) {
// requires JDK 1.4 ###
}
}
// public static final String showElementTreeAction = "showElementTree";
// -------------------------------------------------------------
public void openFile(String currDirStr, String currFileStr) {
if (fileDialog == null) {
fileDialog = new FileDialog(this);
}
fileDialog.setMode(FileDialog.LOAD);
if (!(currDirStr.equals(""))) {
fileDialog.setDirectory(currDirStr);
}
if (!(currFileStr.equals(""))) {
fileDialog.setFile(currFileStr);
}
fileDialog.show();
String file = fileDialog.getFile(); // cancel pushed
if (file == null) {
return;
}
String directory = fileDialog.getDirectory();
File f = new File(directory, file);
if (f.exists()) {
Document oldDoc = getEditor().getDocument();
if (oldDoc != null)
// oldDoc.removeUndoableEditListener(undoHandler);
/*
if (elementTreePanel != null) {
elementTreePanel.setEditor(null);
}
*/
getEditor().setDocument(new PlainDocument());
fileDialog.setTitle(file);
Thread loader = new FileLoader(f, editor1.getDocument());
loader.start();
}
}
public void setEnabled(boolean enabled) {
textComponent.setEnabled(enabled);
//
if (showToolbar) {
for (int i = 0; i < toolbarButtons.length; i++) {
toolbarButtons[i].setEnabled(enabled);
}
}
}
/**
* Sets the reason of a call failure if one occurs. The renderer should display this reason to the
* user.
*
* @param reason the reason to display
*/
public void setErrorReason(final String reason) {
if (!SwingUtilities.isEventDispatchThread()) {
SwingUtilities.invokeLater(
new Runnable() {
public void run() {
setErrorReason(reason);
}
});
return;
}
if (errorMessageComponent == null) {
errorMessageComponent = new JTextPane();
JTextPane textPane = (JTextPane) errorMessageComponent;
textPane.setEditable(false);
textPane.setOpaque(false);
StyledDocument doc = textPane.getStyledDocument();
MutableAttributeSet standard = new SimpleAttributeSet();
StyleConstants.setAlignment(standard, StyleConstants.ALIGN_CENTER);
StyleConstants.setFontFamily(standard, textPane.getFont().getFamily());
StyleConstants.setFontSize(standard, 12);
doc.setParagraphAttributes(0, 0, standard, true);
GridBagConstraints constraints = new GridBagConstraints();
constraints.fill = GridBagConstraints.HORIZONTAL;
constraints.gridx = 0;
constraints.gridy = 4;
constraints.weightx = 1;
constraints.weighty = 0;
constraints.insets = new Insets(5, 0, 0, 0);
add(errorMessageComponent, constraints);
this.revalidate();
}
errorMessageComponent.setText(reason);
if (isVisible()) errorMessageComponent.repaint();
}
// Create a Transferable implementation that contains the selected text.
protected Transferable createTransferable(JComponent c) {
if (c != textComponent) { // ###
System.out.println("*** createTransferable(): c=" + c);
}
source = (JTextComponent) c;
int start = source.getSelectionStart();
int end = source.getSelectionEnd();
Document doc = source.getDocument();
if (start == end) {
return null;
}
try {
p0 = doc.createPosition(start);
p1 = doc.createPosition(end);
System.out.println(">>> createTransferable(): p0=" + p0 + ", p1=" + p1);
} catch (BadLocationException e) {
System.out.println(
"*** createTransferable(): "
+ "Can't create position - unable to remove text from source.");
}
shouldRemove = true;
String data = source.getSelectedText();
return new StringSelection(data);
}
/**
* @param baseURL may be <code>null</code>
* @see PropertyPanel.PropertyField#setText
*/
void setText(String text, String baseURL, DocumentListener documentListener) {
//
textComponent.getDocument().removeDocumentListener(documentListener);
//
if (editorType == EDITOR_TYPE_STYLED) {
//
// --- set content type ---
((JEditorPane) textComponent).setContentType("text/html");
//
// --- set base URL ---
try {
// Note: baseURL is null if no baseURL is set for the corresponding property
// Note: baseURL is empty if corporate baseURL is used but not set
if (baseURL != null && !baseURL.equals("")) {
((HTMLDocument) textComponent.getDocument()).setBase(new URL(baseURL));
}
} catch (MalformedURLException mue) {
System.out.println("*** TextEditorPanel.setText(): invalid base URL: " + mue);
}
//
// --- set text ---
try {
if (text.length() <= 59) { // ### 59 <html><head></head><body></body></html> + whitespace
text = "<html><body><p></p></body></html>";
}
textComponent.setText(text);
textComponent.setCaretPosition(0);
} catch (Throwable e) {
textComponent.setText(
"<html><body><font color=#FF0000>Page can't be displayed</font></body></html>");
System.out.println("*** TextEditorPanel.setText(): error while HTML rendering: " + e);
}
} else {
textComponent.setText(text);
textComponent.setCaretPosition(0);
}
//
textComponent.getDocument().addDocumentListener(documentListener);
}
/** Create an editor to represent the given document. */
protected JTextComponent createEditor() {
JTextComponent c = new JTextArea();
c.setDragEnabled(true);
c.setFont(new Font("monospaced", Font.PLAIN, 12));
return c;
}
public void requestFocus() {
textComponent.requestFocus();
}
String getText() {
return textComponent.getText();
}
// ------------------------------------------------------------------
// from Java Swing 1.2 Orielly - Robert Eckstein
// ------------------------------------------------------------------
protected JTextComponent updateKeymapForEmacs(JTextComponent textComp) {
// note: it does not look like a key can do more than one action
// thus no modes.
// todo: not all of these are correct. such as ctrlK
// todo: add saving - ctrlXS
// create a new child keymap
Keymap map = JTextComponent.addKeymap("NslmMap", textComp.getKeymap());
KeyStroke selNext =
KeyStroke.getKeyStroke(
KeyEvent.VK_RIGHT, InputEvent.CTRL_MASK | InputEvent.SHIFT_MASK, false);
map.addActionForKeyStroke(selNext, getAction(DefaultEditorKit.selectionNextWordAction));
KeyStroke selPrev =
KeyStroke.getKeyStroke(
KeyEvent.VK_LEFT, InputEvent.CTRL_MASK | InputEvent.SHIFT_MASK, false);
map.addActionForKeyStroke(selPrev, getAction(DefaultEditorKit.selectionPreviousWordAction));
KeyStroke next = KeyStroke.getKeyStroke(KeyEvent.VK_F, InputEvent.CTRL_MASK, false);
map.addActionForKeyStroke(next, getAction(DefaultEditorKit.forwardAction));
KeyStroke prev = KeyStroke.getKeyStroke(KeyEvent.VK_B, InputEvent.CTRL_MASK, false);
map.addActionForKeyStroke(prev, getAction(DefaultEditorKit.backwardAction));
KeyStroke selectionDown = KeyStroke.getKeyStroke(KeyEvent.VK_N, InputEvent.CTRL_MASK, false);
map.addActionForKeyStroke(selectionDown, getAction(DefaultEditorKit.downAction));
KeyStroke selectionUp = KeyStroke.getKeyStroke(KeyEvent.VK_P, InputEvent.CTRL_MASK, false);
map.addActionForKeyStroke(selectionUp, getAction(DefaultEditorKit.upAction));
KeyStroke pageDown = KeyStroke.getKeyStroke(KeyEvent.VK_V, InputEvent.CTRL_MASK, false);
map.addActionForKeyStroke(pageDown, getAction(DefaultEditorKit.pageDownAction));
KeyStroke pageUp = KeyStroke.getKeyStroke(KeyEvent.VK_U, InputEvent.CTRL_MASK, false);
map.addActionForKeyStroke(pageUp, getAction(DefaultEditorKit.pageUpAction));
KeyStroke endDoc =
KeyStroke.getKeyStroke(
KeyEvent.VK_GREATER, InputEvent.META_MASK | InputEvent.SHIFT_MASK, false);
map.addActionForKeyStroke(endDoc, getAction(DefaultEditorKit.endAction));
KeyStroke beginingDoc =
KeyStroke.getKeyStroke(
KeyEvent.VK_LESS, InputEvent.META_MASK | InputEvent.SHIFT_MASK, false);
map.addActionForKeyStroke(beginingDoc, getAction(DefaultEditorKit.beginAction));
// the VK_SPACE and VK_W not working as in Emacs - space deleting
// KeyStroke
// selectionStart=KeyStroke.getKeyStroke(KeyEvent.VK_SPACE,InputEvent.CTRL_MASK,false);
// map.addActionForKeyStroke(selectionStart,getAction(DefaultEditorKit.selectionForwardAction));
// //todo: setCharPosAction
// this is doing nothing because only one char to can be assigned to cut
// KeyStroke cut1=KeyStroke.getKeyStroke(KeyEvent.VK_W,InputEvent.CTRL_MASK,false);
// map.addActionForKeyStroke(cut1,getAction(DefaultEditorKit.cutAction));
// if we do save as XS, this will have to change
KeyStroke cut = KeyStroke.getKeyStroke(KeyEvent.VK_X, InputEvent.CTRL_MASK, false);
map.addActionForKeyStroke(cut, getAction(DefaultEditorKit.cutAction));
KeyStroke paste = KeyStroke.getKeyStroke(KeyEvent.VK_Y, InputEvent.CTRL_MASK, false);
map.addActionForKeyStroke(paste, getAction(DefaultEditorKit.pasteAction));
KeyStroke moveToEndLine = KeyStroke.getKeyStroke(KeyEvent.VK_E, InputEvent.CTRL_MASK, false);
map.addActionForKeyStroke(moveToEndLine, getAction(DefaultEditorKit.endLineAction));
// not emacs like
KeyStroke selWord = KeyStroke.getKeyStroke(KeyEvent.VK_T, InputEvent.CTRL_MASK, false);
map.addActionForKeyStroke(selWord, getAction(DefaultEditorKit.selectWordAction));
KeyStroke selLine = KeyStroke.getKeyStroke(KeyEvent.VK_K, InputEvent.CTRL_MASK, false);
map.addActionForKeyStroke(selLine, getAction(DefaultEditorKit.selectLineAction));
KeyStroke delNext = KeyStroke.getKeyStroke(KeyEvent.VK_D, InputEvent.CTRL_MASK, false);
map.addActionForKeyStroke(delNext, getAction(DefaultEditorKit.deleteNextCharAction));
KeyStroke insertLine = KeyStroke.getKeyStroke(KeyEvent.VK_O, InputEvent.CTRL_MASK, false);
map.addActionForKeyStroke(insertLine, getAction(DefaultEditorKit.insertBreakAction));
KeyStroke searchBackward = KeyStroke.getKeyStroke(KeyEvent.VK_R, InputEvent.CTRL_MASK, false);
map.addActionForKeyStroke(searchBackward, getAction("findAgain"));
KeyStroke searchForward = KeyStroke.getKeyStroke(KeyEvent.VK_S, InputEvent.CTRL_MASK, false);
map.addActionForKeyStroke(searchForward, getAction("findAgain"));
// set the keymap for the text component
textComp.setKeymap(map);
return (textComp);
} // end updateKeymapForEmacs