+
+ return result;
+ }
+
+ /**
+ * Returns an incrementing counter (0, 1, 2...)
+ *
+ * @return
+ */
+ private synchronized int nextCounter()
+ {
+ return counter++;
+ }
+
+ /**
+ * Populates an XML model of the feature colour scheme for one feature type
+ *
+ * @param featureType
+ * @param fcol
+ * @return
+ */
+ protected static jalview.schemabinding.version2.Colour marshalColour(
+ String featureType, FeatureColourI fcol)
+ {
+ jalview.schemabinding.version2.Colour col = new jalview.schemabinding.version2.Colour();
+ if (fcol.isSimpleColour())
+ {
+ col.setRGB(Format.getHexString(fcol.getColour()));
+ }
+ else
+ {
+ col.setRGB(Format.getHexString(fcol.getMaxColour()));
+ col.setMin(fcol.getMin());
+ col.setMax(fcol.getMax());
+ col.setMinRGB(jalview.util.Format.getHexString(fcol.getMinColour()));
+ col.setAutoScale(fcol.isAutoScaled());
+ col.setThreshold(fcol.getThreshold());
+ col.setColourByLabel(fcol.isColourByLabel());
+ col.setThreshType(fcol.isAboveThreshold() ? ColourThreshTypeType.ABOVE
+ : (fcol.isBelowThreshold() ? ColourThreshTypeType.BELOW
+ : ColourThreshTypeType.NONE));
+ if (fcol.isColourByAttribute())
+ {
+ col.setAttributeName(fcol.getAttributeName());
+ }
+ Color noColour = fcol.getNoColour();
+ if (noColour == null)
+ {
+ col.setNoValueColour(NoValueColour.NONE);
+ }
+ else if (noColour == fcol.getMaxColour())
+ {
+ col.setNoValueColour(NoValueColour.MAX);
+ }
+ else
+ {
+ col.setNoValueColour(NoValueColour.MIN);
+ }
+ }
+ col.setName(featureType);
+ return col;
+ }
+
+ /**
+ * Populates an XML model of the feature filter(s) for one feature type
+ *
+ * @param firstMatcher
+ * the first (or only) match condition)
+ * @param filter
+ * remaining match conditions (if any)
+ * @param and
+ * if true, conditions are and-ed, else or-ed
+ */
+ protected static MatcherSet marshalFilter(FeatureMatcherI firstMatcher,
+ Iterator<FeatureMatcherI> filters, boolean and)
+ {
+ MatcherSet result = new MatcherSet();
+
+ if (filters.hasNext())
+ {
+ /*
+ * compound matcher
+ */
+ CompoundMatcher compound = new CompoundMatcher();
+ compound.setAnd(and);
+ MatcherSet matcher1 = marshalFilter(firstMatcher,
+ Collections.emptyIterator(), and);
+ compound.addMatcherSet(matcher1);
+ FeatureMatcherI nextMatcher = filters.next();
+ MatcherSet matcher2 = marshalFilter(nextMatcher, filters, and);
+ compound.addMatcherSet(matcher2);
+ result.setCompoundMatcher(compound);
+ }
+ else
+ {
+ /*
+ * single condition matcher
+ */
+ MatchCondition matcherModel = new MatchCondition();
+ matcherModel.setCondition(
+ firstMatcher.getMatcher().getCondition().getStableName());
+ matcherModel.setValue(firstMatcher.getMatcher().getPattern());
+ if (firstMatcher.isByAttribute())
+ {
+ matcherModel.setBy(FeatureMatcherByType.BYATTRIBUTE);
+ matcherModel.setAttributeName(firstMatcher.getAttribute());
+ }
+ else if (firstMatcher.isByLabel())
+ {
+ matcherModel.setBy(FeatureMatcherByType.BYLABEL);
+ }
+ else if (firstMatcher.isByScore())
+ {
+ matcherModel.setBy(FeatureMatcherByType.BYSCORE);
+ }
+ result.setMatchCondition(matcherModel);
+ }
+
+ return result;
+ }
+
+ /**
+ * Loads one XML model of a feature filter to a Jalview object
+ *
+ * @param featureType
+ * @param matcherSetModel
+ * @return
+ */
+ protected static FeatureMatcherSetI unmarshalFilter(
+ String featureType, MatcherSet matcherSetModel)
+ {
+ FeatureMatcherSetI result = new FeatureMatcherSet();
+ try
+ {
+ unmarshalFilterConditions(result, matcherSetModel, true);
+ } catch (IllegalStateException e)
+ {
+ // mixing AND and OR conditions perhaps
+ System.err.println(
+ String.format("Error reading filter conditions for '%s': %s",
+ featureType, e.getMessage()));
+ // return as much as was parsed up to the error
+ }