@Override
public void execute(final GUI gui) {
final boolean rt = gui.gprop.invert(GUIProp.FILTERRT);
gui.stop();
// refresh buttons in input bar
gui.refreshControls();
// refresh editor buttons
gui.editor.refreshMark();
final Context ctx = gui.context;
final boolean root = ctx.root();
final Data data = ctx.data();
if (!rt) {
if (!root) {
gui.notify.context(new Nodes(0, data), true, null);
gui.notify.mark(ctx.current(), null);
}
} else {
if (root) {
gui.notify.mark(new Nodes(data), null);
} else {
final Nodes mark = ctx.marked;
ctx.marked = new Nodes(data);
gui.notify.context(mark, true, null);
}
}
}
@Override
public void execute(final GUI gui) {
final Context ctx = gui.context;
Nodes marked = ctx.marked;
if (marked.size() == 0) {
final int pre = gui.context.focused;
if (pre == -1) return;
marked = new Nodes(pre, ctx.data());
}
gui.notify.context(marked, false, null);
}
@Override
public void execute(final GUI gui) {
// skip operation for root context
final Context ctx = gui.context;
if (ctx.root()) return;
// check if all nodes are document nodes
boolean doc = true;
final Data data = ctx.data();
for (final int pre : ctx.current().pres) doc &= data.kind(pre) == Data.DOC;
if (doc) {
// if yes, jump to database root
ctx.update();
gui.notify.context(ctx.current(), false, null);
} else {
// otherwise, jump to parent nodes
gui.execute(new Cs(".."));
}
}
/**
* Executes the command, prints the result to the specified output stream and returns a success
* flag.
*
* @param ctx database context
* @param os output stream
* @return success flag. The {@link #info()} method returns information on a potential exception
*/
private boolean exec(final Context ctx, final OutputStream os) {
// check if data reference is available
final Data dt = ctx.data();
if (dt == null && data) return error(NO_DB_OPENED);
// check permissions
if (!ctx.perm(perm, dt != null ? dt.meta : null)) return error(PERM_REQUIRED_X, perm);
// set updating flag
updating = updating(ctx);
try {
// register process
ctx.register(this);
// run command and return success flag
return run(ctx, os);
} finally {
// guarantee that process will be unregistered
ctx.unregister(this);
}
}
/**
* Closes the specified database if it is currently opened and only pinned once.
*
* @param ctx database context
* @param db database to be closed
* @return closed flag
*/
protected static boolean close(final Context ctx, final String db) {
final boolean close =
ctx.data() != null && db.equals(ctx.data().meta.name) && ctx.dbs.pins(db) == 1;
return close && new Close().run(ctx);
}