/**
* Determines whether a given control can have a specified layer added to it.
*
* @param control existing control
* @param lcmd specifies layer to add
* @return true iff <code>control.addLayer(lcmd)</code> will work
*/
private static boolean isCompatible(MultiFormLayerControl control, LayerCommand lcmd) {
/* Note the implementation of this method is closely tied to the
* implementation of MultiFormLayerControl.addLayer. */
/* Must have the same table data. */
if (lcmd.getTopcatModel() != control.getTopcatModel()) {
return false;
}
/* Must have the same positional coordinates.
* This test currently requires all the coordinates to be the same,
* I think that could be relaxed to just the positional ones. */
if (!lcmd.getInputValues()
.equals(GuiCoordContent.getInputValues(control.getPositionCoordPanel().getContents()))) {
return false;
}
/* Must have the same, single, subset. It could be possible
* under some circumstances to add to a gang control with
* multiple subsets, but the logic is tricky, so this is not
* currently supported by addLayer. */
RowSubset rset = lcmd.getRowSubset();
SubsetStack subStack = control.getSubsetStack();
if (!Arrays.equals(subStack.getSelectedSubsets(), new RowSubset[] {rset})) {
return false;
}
/* Any config options specified for the new layer must not conflict
* with config options (probably colour) currently in force for
* the new layer's subset. */
SubsetConfigManager subManager = control.getSubsetManager();
if (subManager.hasConfigger(rset)) {
ConfigMap ctrlConfig = subManager.getConfigger(rset).getConfig();
ConfigMap cmdConfig = lcmd.getConfig();
for (ConfigKey<?> key : cmdConfig.keySet()) {
if (ctrlConfig.keySet().contains(key)
&& !PlotUtil.equals(ctrlConfig.get(key), cmdConfig.get(key))) {
return false;
}
}
}
/* If it passes all those tests, it's compatible. */
return true;
}
/**
* Creates a new empty gang layer control.
*
* @param ctyp common coordinate set type
* @param autoPlot true to attempt a plot without further user interaction
* @return gang control, or null if it would be useless
*/
private MultiFormLayerControl createGangControl(CoordsType ctyp, boolean autoPlot) {
List<Plotter> plotterList = plotterMap_.get(ctyp);
if (plotterList != null && plotterList.size() > 0) {
PositionCoordPanel coordPanel = ctyp.createPositionCoordPanel(plotType_, plotTypeGui_);
boolean autoPop = ctyp.isAutoPopulate();
MultiFormLayerControl control =
new MultiFormLayerControl(
coordPanel,
autoPop,
nextSupplier_,
tcListener_,
ctyp.getIcon(),
plotterList.toArray(new Plotter[0]),
baseConfigger_);
if (autoPlot) {
control.addDefaultLayer();
}
return control;
} else {
return null;
}
}
/**
* Constructs a new gang layer control which is capable of having a specified layer added to it.
*
* @param lcmd layer specification
* @return new control for which <code>addLayer(lcmd)</code> will work
*/
private MultiFormLayerControl createGangControl(LayerCommand lcmd) throws LayerException {
/* Create the control. */
int npos = lcmd.getPlotter().getCoordGroup().getPositionCount();
CoordsType ctyp = CoordsType.getInstance(lcmd.getPlotter());
MultiFormLayerControl control = createGangControl(ctyp, false);
/* Set the table. */
control.setTopcatModel(lcmd.getTopcatModel());
/* Set up the positional coordinates. */
PositionCoordPanel posCoordPanel = control.getPositionCoordPanel();
Coord[] posCoords = posCoordPanel.getCoords();
Map<String, String> inputValues = lcmd.getInputValues();
for (int ic = 0; ic < posCoords.length; ic++) {
Input[] inputs = posCoords[ic].getInputs();
for (int iu = 0; iu < inputs.length; iu++) {
String name = LayerCommand.getInputName(inputs[iu]);
String value = inputValues.get(name);
if (value != null) {
ColumnDataComboBoxModel colModel = posCoordPanel.getColumnSelector(ic, iu);
ColumnData colData;
try {
colData = colModel.stringToColumnData(value);
} catch (CompilationException e) {
throw new LayerException("Can't compile: " + value, e);
}
posCoordPanel.getColumnSelector(ic, iu).setSelectedItem(colData);
}
}
}
/* Set up per-subset configuration. */
control.getSubsetManager().setConfig(lcmd.getRowSubset(), lcmd.getConfig());
/* Return. */
return control;
}
