/**
* Performs a search.
*
* @param sc search context
* @param jump jump to next hit
*/
final void search(final SearchContext sc, final boolean jump) {
try {
rend.search(sc);
if (!sc.search.isEmpty()) gui.status.setText(Util.info(Text.STRINGS_FOUND_X, sc.nr()));
if (jump) jump(SearchDir.CURRENT, false);
} catch (final Exception ex) {
final String msg = Util.message(ex).replaceAll(Prop.NL + ".*", "");
gui.status.setError(Text.REGULAR_EXPR + Text.COLS + msg);
}
}
@Override
public void action(final Object comp) {
final boolean valid = general.action(comp, true);
ft.action(ftxindex.isSelected());
// ...must be located before remaining checks
if (comp == general.browse || comp == general.input) dbname.setText(general.dbname);
final String nm = dbname.getText().trim();
ok = valid && !nm.isEmpty();
String inf = valid ? ok ? null : ENTER_DB_NAME : RES_NOT_FOUND;
Msg icon = Msg.ERROR;
if (ok) {
ok = Databases.validName(nm);
if (ok) gui.gopts.set(GUIOptions.DBNAME, nm);
if (!ok) {
// name of database is invalid
inf = Util.info(INVALID_X, NAME);
} else if (general.input.getText().trim().isEmpty()) {
// database will be empty
inf = EMPTY_DB;
icon = Msg.WARN;
} else if (db.contains(nm)) {
// old database will be overwritten
inf = OVERWRITE_DB;
icon = Msg.WARN;
}
}
general.info.setText(inf, icon);
enableOK(buttons, B_OK, ok);
}
/** Notifies all views of a data reference change. */
public void init() {
final Data data = initHistory(gui.context);
if (data != null) {
// if a large database is opened, the user is asked if complex
/// visualizations should be closed first
final long size = data.meta.dbsize();
boolean open = false;
for (final View v : view) open |= v.visible() && v.db();
if (open
&& size > LARGEDB
&& BaseXDialog.confirm(gui, Util.info(H_LARGE_DB, Performance.format(size)))) {
for (final View v : view) if (v.visible() && v.db()) v.visible(false);
}
} else {
// database closed: close open dialogs
for (final Window w : gui.getOwnedWindows()) {
if (w.isVisible() && w instanceof BaseXDialog) ((BaseXDialog) w).cancel();
}
}
gui.context.focused = -1;
for (final View v : view) v.refreshInit();
gui.layoutViews();
gui.setTitle(data != null ? data.meta.name : null);
}
/**
* Returns the specified image.
*
* @param url image url
* @return image
*/
public static Image get(final URL url) {
try {
return ImageIO.read(url);
} catch (final IOException ex) {
throw Util.notExpected(ex);
}
}
/**
* Draws the specified string.
*
* @param g graphics reference
* @param s text
* @param x x coordinate
* @param y y coordinate
* @param w width
* @param fs font size
*/
public static void chopString(
final Graphics g, final byte[] s, final int x, final int y, final int w, final int fs) {
if (w < 12) return;
final int[] cw = fontWidths(g.getFont());
int j = s.length;
try {
int l = 0;
int fw = 0;
for (int k = 0; k < j; k += l) {
final int ww = width(g, cw, cp(s, k));
if (fw + ww >= w - 4) {
j = Math.max(1, k - l);
if (k > 1) fw -= width(g, cw, cp(s, k - 1));
g.drawString("..", x + fw, y + fs);
break;
}
fw += ww;
l = cl(s, k);
}
} catch (final Exception ex) {
Util.debug(ex);
}
g.drawString(string(s, 0, j), x, y + fs);
}
/**
* 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 displayed text. */
private void save() {
final BaseXFileChooser fc =
new BaseXFileChooser(SAVE_AS, gui.gopts.get(GUIOptions.WORKPATH), gui).suffix(IO.XMLSUFFIX);
final IO file = fc.select(Mode.FSAVE);
if (file == null) return;
gui.gopts.set(GUIOptions.WORKPATH, file.path());
gui.cursor(CURSORWAIT, true);
final MainOptions opts = gui.context.options;
final int mh = opts.get(MainOptions.MAXHITS);
opts.set(MainOptions.MAXHITS, -1);
opts.set(MainOptions.CACHEQUERY, false);
try (final PrintOutput out = new PrintOutput(file.toString())) {
if (cmd != null) {
cmd.execute(gui.context, out);
} else if (ns != null) {
ns.serialize(Serializer.get(out));
} else {
final byte[] txt = text.getText();
for (final byte t : txt) if (t < 0 || t > ' ' || ws(t)) out.write(t);
}
} catch (final IOException ex) {
BaseXDialog.error(gui, Util.info(FILE_NOT_SAVED_X, file));
} finally {
opts.set(MainOptions.MAXHITS, mh);
opts.set(MainOptions.CACHEQUERY, true);
gui.cursor(CURSORARROW, true);
}
}
/**
* Returns a keystroke for the specified string.
*
* @param cmd command
* @return keystroke
*/
public static KeyStroke keyStroke(final GUICommand cmd) {
final Object sc = cmd.shortcuts();
if (sc == null) return null;
final String scut;
if (sc instanceof BaseXKeys[]) {
final BaseXKeys[] scs = (BaseXKeys[]) sc;
if (scs.length == 0) return null;
scut = scs[0].shortCut();
} else {
scut = Util.info(sc, META);
}
final KeyStroke ks = KeyStroke.getKeyStroke(scut);
if (ks == null) Util.errln("Could not assign shortcut: " + sc + " / " + scut);
return ks;
}
/**
* Returns the image url.
*
* @param name name of image
* @return url
*/
private static URL url(final String name) {
final String path = "/img/" + name + ".png";
URL url = BaseXImages.class.getResource(path);
if (url == null) {
Util.stack("Image not found: " + path);
url = BaseXImages.class.getResource("/img/warn.png");
}
return url;
}
/** Open all selected files externally. */
private void openExternal() {
for (final IOFile file : selectedValues()) {
try {
file.open();
} catch (final IOException ex) {
BaseXDialog.error(project.gui, Util.info(FILE_NOT_OPENED_X, file));
}
}
}
/**
* Set desktop hints (not supported by all platforms).
*
* @param g graphics reference
*/
public static void hints(final Graphics g) {
if (HINTS != null && hints) {
try {
((Graphics2D) g).addRenderingHints(HINTS);
} catch (final Exception ex) {
Util.stack(ex);
hints = false;
}
}
}
/**
* Returns the clipboard text.
*
* @return text
*/
private static String clip() {
// copy selection to clipboard
final Clipboard clip = Toolkit.getDefaultToolkit().getSystemClipboard();
final Transferable tr = clip.getContents(null);
if (tr != null) {
final ArrayList<Object> contents = BaseXLayout.contents(tr);
if (!contents.isEmpty()) return contents.get(0).toString();
} else {
Util.debug("Clipboard has no contents.");
}
return null;
}
/**
* Returns the width of the specified text. Cached font widths are used to speed up calculation.
*
* @param g graphics reference
* @param s string to be evaluated
* @return string width
*/
public static int width(final Graphics g, final byte[] s) {
final int[] cw = fontWidths(g.getFont());
final int l = s.length;
int fw = 0;
try {
// ignore faulty character sets
for (int k = 0; k < l; k += cl(s, k)) fw += width(g, cw, cp(s, k));
} catch (final Exception ex) {
Util.debug(ex);
}
return fw;
}
@Override
public void close() {
try {
gui.set(MainOptions.EXPORTER, options(SerialMethod.valueOf(method.getSelectedItem())));
} catch (final BaseXException ex) {
throw Util.notExpected(ex);
}
if (!ok) return;
super.close();
path.store();
}
/** Reads in the property file. */
static {
try {
final String file = "/completions.properties";
final InputStream is = TextPanel.class.getResourceAsStream(file);
if (is == null) {
Util.errln(file + " not found.");
} else {
try (final NewlineInput nli = new NewlineInput(is)) {
for (String line; (line = nli.readLine()) != null; ) {
final int i = line.indexOf('=');
if (i == -1 || line.startsWith("#")) continue;
final String key = line.substring(0, i), value = line.substring(i + 1);
if (REPLACE.put(key, value.replace("\\n", "\n")) != null) {
Util.errln(file + ": " + key + " was assigned twice");
}
}
}
}
} catch (final IOException ex) {
Util.errln(ex);
}
}
/**
* Replaces the text.
*
* @param rc replace context
*/
final void replace(final ReplaceContext rc) {
try {
final int[] select = rend.replace(rc);
if (rc.text != null) {
final boolean sel = editor.selected();
setText(rc.text);
editor.select(select[0], select[sel ? 1 : 0]);
release(Action.CHECK);
}
gui.status.setText(Text.STRINGS_REPLACED);
} catch (final Exception ex) {
final String msg = Util.message(ex).replaceAll(Prop.NL + ".*", "");
gui.status.setError(Text.REGULAR_EXPR + Text.COLS + msg);
}
}
/**
* Returns the contents of the specified transferable.
*
* @param tr transferable
* @return contents
*/
@SuppressWarnings("unchecked")
public static ArrayList<Object> contents(final Transferable tr) {
final ArrayList<Object> list = new ArrayList<>();
try {
if (tr.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) {
for (final File fl : (List<File>) tr.getTransferData(DataFlavor.javaFileListFlavor))
list.add(fl);
} else if (tr.isDataFlavorSupported(DataFlavor.stringFlavor)) {
list.add(tr.getTransferData(DataFlavor.stringFlavor));
}
} catch (final Exception ex) {
Util.stack(ex);
}
return list;
}
/**
* Serializes the specified nodes.
*
* @param n nodes to display
*/
private void setText(final DBNodes n) {
if (visible()) {
try {
final ArrayOutput ao = new ArrayOutput();
ao.setLimit(gui.gopts.get(GUIOptions.MAXTEXT));
if (n != null) n.serialize(Serializer.get(ao));
setText(ao);
cmd = null;
ns = ao.finished() ? n : null;
} catch (final IOException ex) {
Util.debug(ex);
}
} else {
home.setEnabled(gui.context.data() != null);
}
}
/**
* Adds default interactions to the specified component.
*
* @param comp component
* @param win parent window
*/
public static void addInteraction(final Component comp, final Window win) {
comp.addMouseListener(
new MouseAdapter() {
@Override
public void mouseEntered(final MouseEvent e) {
focus(comp);
}
});
if (win instanceof BaseXDialog) {
// add default keys
final BaseXDialog d = (BaseXDialog) win;
comp.addKeyListener(
new KeyAdapter() {
@Override
public void keyPressed(final KeyEvent e) {
final Object s = e.getSource();
if (s instanceof BaseXCombo && ((BaseXCombo) s).isPopupVisible()) return;
// do not key close dialog if button or editor is focused
if (ENTER.is(e) && !(s instanceof BaseXButton || s instanceof TextPanel)) {
d.close();
} else if (ESCAPE.is(e)) {
// do not cancel dialog if search bar is opened
boolean close = true;
if (s instanceof TextPanel) {
final SearchBar bar = ((TextPanel) s).getSearch();
close = bar == null || !bar.deactivate(true);
}
if (close) d.cancel();
}
}
});
return;
}
if (win instanceof GUI) {
comp.addKeyListener(globalShortcuts((GUI) win));
} else {
throw Util.notExpected("Reference to main window expected.");
}
}
