+ * Sets the selected item in the Label/Score/Attribute drop-down to match the
+ * filter
+ *
+ * @param attCombo
+ * @param filter
+ */
+ private String setSelectedAttribute(JComboBox<Object> attCombo,
+ FeatureMatcherI filter)
+ {
+ String item = null;
+ if (filter.isByScore())
+ {
+ item = SCORE_18N;
+ }
+ else if (filter.isByLabel())
+ {
+ item = LABEL_18N;
+ }
+ else
+ {
+ item = FeatureMatcher.toAttributeDisplayName(filter.getAttribute());
+ }
+ attCombo.setSelectedItem(item);
+ return item;
+ }
+
+ /**
+ * If a numeric comparison condition is selected, retrieves the min-max range
+ * for the value (score or attribute), and sets it as a tooltip on the value
+ * field. If the field is currently empty, then pre-populates it with
+ * <ul>
+ * <li>the minimum value, if condition is > or >=</li>
+ * <li>the maximum value, if condition is < or <=</li>
+ * </ul>
+ *
+ * @param attName
+ * @param selectedCondition
+ * @param patternField
+ */
+ private void setNumericHints(String attName, Condition selectedCondition,
+ JTextField patternField)
+ {
+ patternField.setToolTipText("");
+
+ if (selectedCondition.isNumeric())
+ {
+ float[] minMax = getMinMax(attName);
+ if (minMax != null)
+ {
+ String minFormatted = DECFMT_2_2.format(minMax[0]);
+ String maxFormatted = DECFMT_2_2.format(minMax[1]);
+ String tip = String.format("(%s - %s)", minFormatted, maxFormatted);
+ patternField.setToolTipText(tip);
+ if (patternField.getText().isEmpty())
+ {
+ if (selectedCondition == Condition.GE
+ || selectedCondition == Condition.GT)
+ {
+ patternField.setText(minFormatted);
+ }
+ else
+ {
+ if (selectedCondition == Condition.LE
+ || selectedCondition == Condition.LT)
+ {
+ patternField.setText(maxFormatted);
+ }
+ }
+ }
+ }
+ }
+ }
+
+ /**
+ * Populates the drop-down list of comparison conditions for the given
+ * attribute name. The conditions added depend on the datatype of the
+ * attribute values. The supplied condition is set as the selected item in the
+ * list, provided it is in the list. If the pattern is now invalid
+ * (non-numeric pattern for a numeric condition), it is cleared.