/**
* Shows a quit dialog for the specified editor.
*
* @param edit editor to be saved
* @return {@code false} if confirmation was canceled
*/
private boolean confirm(final EditorArea edit) {
if (edit.modified && (edit.opened() || edit.getText().length != 0)) {
final Boolean ok = BaseXDialog.yesNoCancel(gui, Util.info(CLOSE_FILE_X, edit.file.name()));
if (ok == null || ok && !save()) return false;
}
return true;
}
/**
* Saves the specified editor contents.
*
* @param file file to write
* @return {@code false} if confirmation was canceled
*/
private boolean save(final IOFile file) {
try {
final EditorArea edit = getEditor();
file.write(edit.getText());
edit.file(file);
return true;
} catch (final IOException ex) {
BaseXDialog.error(gui, FILE_NOT_SAVED);
return false;
}
}
/**
* Choose a unique tab file.
*
* @return io reference
*/
private IOFile newTabFile() {
// collect numbers of existing files
final BoolList bl = new BoolList();
for (final EditorArea edit : editors()) {
if (edit.opened()) continue;
final String n = edit.file.name().substring(FILE.length());
bl.set(n.isEmpty() ? 1 : Integer.parseInt(n), true);
}
// find first free file number
int c = 0;
while (++c < bl.size() && bl.get(c)) ;
// create io reference
return new IOFile(gui.gprop.get(GUIProp.WORKPATH), FILE + (c == 1 ? "" : c));
}
/**
* Refreshes the query modification flag.
*
* @param force action
*/
void refreshControls(final boolean force) {
// update modification flag
final EditorArea edit = getEditor();
final boolean oe = edit.modified;
edit.modified = edit.hist != null && edit.hist.modified();
if (edit.modified == oe && !force) return;
// update tab title
String title = edit.file.name();
if (edit.modified) title += '*';
edit.label.setText(title);
// update components
gui.refreshControls();
posCode.invokeLater();
}
/**
* Adds a new editor tab.
*
* @return editor reference
*/
EditorArea addTab() {
final EditorArea edit = new EditorArea(this, newTabFile());
edit.setFont(GUIConstants.mfont);
final BaseXBack tab = new BaseXBack(new BorderLayout(10, 0)).mode(Fill.NONE);
tab.add(edit.label, BorderLayout.CENTER);
final BaseXButton close = tabButton("e_close");
close.setRolloverIcon(BaseXLayout.icon("e_close2"));
close.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
close(edit);
}
});
tab.add(close, BorderLayout.EAST);
tabs.add(edit, tab, tabs.getComponentCount() - 2);
return edit;
}
/** Jumps to a specific line. */
public void gotoLine() {
final EditorArea edit = getEditor();
final int ll = edit.last.length;
final int cr = edit.getCaret();
int l = 1;
for (int e = 0; e < ll && e < cr; e += cl(edit.last, e)) {
if (edit.last[e] == '\n') ++l;
}
final DialogLine dl = new DialogLine(gui, l);
if (!dl.ok()) return;
final int el = dl.line();
int p = 0;
l = 1;
for (int e = 0; e < ll && l < el; e += cl(edit.last, e)) {
if (edit.last[e] != '\n') continue;
p = e + 1;
++l;
}
edit.setCaret(p);
posCode.invokeLater();
}
/**
* Opens the specified query file.
*
* @param file query file
* @return opened editor
*/
public EditorArea open(final IOFile file) {
if (!visible()) GUICommands.C_SHOWEDITOR.execute(gui);
EditorArea edit = find(file, true);
try {
if (edit != null) {
// display open file
tabs.setSelectedComponent(edit);
edit.reopen(true);
} else {
// get current editor
edit = getEditor();
// create new tab if current text is stored on disk or has been modified
if (edit.opened() || edit.modified) edit = addTab();
edit.initText(file.read());
edit.file(file);
}
} catch (final IOException ex) {
BaseXDialog.error(gui, FILE_NOT_OPENED);
}
return edit;
}
/**
* Handles info messages resulting from a query execution.
*
* @param msg info message
* @return true if error was found
*/
private boolean error(final String msg) {
final String line = msg.replaceAll("[\\r\\n].*", "");
Matcher m = XQERROR.matcher(line);
int el, ec = 2;
if (!m.matches()) {
m = XMLERROR.matcher(line);
if (!m.matches()) return true;
el = Integer.parseInt(m.group(1));
errFile = getEditor().file.path();
} else {
el = Integer.parseInt(m.group(1));
ec = Integer.parseInt(m.group(2));
errFile = m.group(3);
}
final EditorArea edit = find(IO.get(errFile), false);
if (edit == null) return true;
// find approximate error position
final int ll = edit.last.length;
int ep = ll;
for (int e = 1, l = 1, c = 1; e < ll; ++c, e += cl(edit.last, e)) {
if (l > el || l == el && c == ec) {
ep = e;
break;
}
if (edit.last[e] == '\n') {
++l;
c = 0;
}
}
if (ep < ll && Character.isLetterOrDigit(cp(edit.last, ep))) {
while (ep > 0 && Character.isLetterOrDigit(cp(edit.last, ep - 1))) ep--;
}
edit.error(ep);
errPos = ep;
return true;
}
/**
* Finds the editor that contains the specified file.
*
* @param file file to be found
* @param opened considers only opened files
* @return editor
*/
EditorArea find(final IO file, final boolean opened) {
for (final EditorArea edit : editors()) {
if (edit.file.eq(file) && (!opened || edit.opened())) return edit;
}
return null;
}
/**
* Checks if the current text can be saved or reverted.
*
* @param rev revert flag
* @return result of check
*/
public boolean modified(final boolean rev) {
final EditorArea edit = getEditor();
return edit.modified || !rev && !edit.opened();
}
/**
* Saves the contents of the currently opened editor.
*
* @return {@code false} if operation was canceled
*/
public boolean save() {
final EditorArea edit = getEditor();
return edit.opened() ? save(edit.file) : saveAs();
}
@Override
public void refreshLayout() {
header.setFont(GUIConstants.lfont);
for (final EditorArea edit : editors()) edit.setFont(GUIConstants.mfont);
search.refreshLayout();
}