/**
* Checks if data can be updated.
*
* @param n node instance
* @param no disallowed node types
* @return result of check
*/
static boolean updatable(final Nodes n, final int... no) {
if (n == null || (no.length == 0 ? n.size() < 1 : n.size() != 1)) return false;
final int k = n.data.kind(n.pres[0]);
for (final int i : no) if (k == i) return false;
return true;
}
@Override
public void refreshMark() {
final EditorArea edit = getEditor();
go.setEnabled(edit.script || edit.xquery && !gui.gprop.is(GUIProp.EXECRT));
final Nodes mrk = gui.context.marked;
filter.setEnabled(!gui.gprop.is(GUIProp.FILTERRT) && mrk != null && mrk.size() != 0);
}
/**
* Notifies all views of a selection change.
*
* @param mark marked nodes
* @param vw the calling view
*/
public void mark(final Nodes mark, final View vw) {
final Context ctx = gui.context;
ctx.marked = mark;
for (final View v : view) if (v != vw && v.visible()) v.refreshMark();
gui.filter.setEnabled(mark.size() != 0);
gui.refreshControls();
}
@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) {
final StringBuilder sb = new StringBuilder();
final Nodes n = gui.context.copied;
for (int i = 0; i < n.size(); ++i) {
if (i > 0) sb.append(',');
sb.append(openPre(n, i));
}
gui.context.copied = null;
gui.execute(new XQuery("insert nodes (" + sb + ") into " + openPre(gui.context.marked, 0)));
}
@Override
public void execute(final GUI gui) {
if (!BaseXDialog.confirm(gui, DELETE_NODES)) return;
final StringBuilder sb = new StringBuilder();
final Nodes n = gui.context.marked;
for (int i = 0; i < n.size(); ++i) {
if (i > 0) sb.append(',');
sb.append(openPre(n, i));
}
gui.context.marked = new Nodes(n.data);
gui.context.copied = null;
gui.context.focused = -1;
gui.execute(new XQuery("delete nodes (" + sb + ')'));
}
public void loadLocationsAsync(String kml) {
List<LotLocation> locations = new ArrayList<LotLocation>();
try {
XMLReader parser = XMLReaderFactory.createXMLReader("org.ccil.cowan.tagsoup.Parser");
InputStream is = new ByteArrayInputStream(kml.getBytes());
// build out an XML document using TagSoup
Document doc = new Builder(parser).build(is);
// set the ns of the document as the XPathContext or we will not find the elements when we
// attempt to parse
XPathContext context = new XPathContext("ns", "http://www.w3.org/1999/xhtml");
// get the Placemark nodes within the data
Nodes nodes = doc.query(".//ns:Placemark", context);
for (int index = 0; index < nodes.size(); index++) {
LotLocation placemark = new LotLocation();
Node placemarkNode = nodes.get(index);
Node nameNode = placemarkNode.query("ns:name", context).get(0);
if (nameNode != null) placemark.setLocation(nameNode.getValue());
Node descriptionNode = placemarkNode.query("ns:description", context).get(0);
if (descriptionNode != null) placemark.setDescription(descriptionNode.getValue());
Node lnglatNode = placemarkNode.query("ns:Point/ns:coordinates", context).get(0);
if (lnglatNode != null) {
// get longitude,latitude,altitude, per KML spec
String[] points = lnglatNode.getValue().split(",");
placemark.setPoint(
new LatLng(
Double.parseDouble(points[1].trim()), Double.parseDouble(points[0].trim())));
}
locations.add(placemark);
}
// spin off a new thread and load locations
new LoadLocationsTask().execute(locations);
} catch (Exception e) {
Log.e("LoadLocationsTask", "Failure attempting to load locations", e);
}
}
@Override
public void refresh(final GUI gui, final AbstractButton b) {
final Nodes marked = gui.context.marked;
b.setEnabled(marked != null && marked.size() != 0);
}
@Override
public void refresh(final GUI gui, final AbstractButton b) {
// disallow copy of empty node set or root node
final Nodes marked = gui.context.marked;
b.setEnabled(marked != null && marked.size() != 0);
}
