private void updateMappedColumns() {
final Table table = _tableRef.get();
final Set<Entry<InputColumn<?>, SourceColumnComboBox>> entrySet =
_mappedColumnComboBoxes.entrySet();
batchUpdateWidget(
new Runnable() {
@Override
public void run() {
for (Entry<InputColumn<?>, SourceColumnComboBox> entry : entrySet) {
InputColumn<?> inputColumn = entry.getKey();
SourceColumnComboBox comboBox = entry.getValue();
if (table == null) {
comboBox.setEmptyModel();
} else {
comboBox.setModel(table);
if (comboBox.getSelectedItem() == null) {
Column column = getDefaultMappedColumn(inputColumn, table);
if (column != null) {
comboBox.setEditable(true);
comboBox.setSelectedItem(column);
comboBox.setEditable(false);
}
}
}
}
}
});
}
private SourceColumnComboBox createComboBox(InputColumn<?> inputColumn, Column mappedColumn) {
final SourceColumnComboBox sourceColumnComboBox = new SourceColumnComboBox();
_mappedColumnComboBoxes.put(inputColumn, sourceColumnComboBox);
Table table = _tableRef.get();
if (mappedColumn == null && table != null) {
mappedColumn = getDefaultMappedColumn(inputColumn, table);
}
if (mappedColumn == null) {
logger.info("No default mapping found for column: {}", inputColumn);
} else {
sourceColumnComboBox.setEditable(true);
sourceColumnComboBox.setSelectedItem(mappedColumn);
sourceColumnComboBox.setEditable(false);
}
sourceColumnComboBox.addListener(
new Listener<Column>() {
@Override
public void onItemSelected(Column item) {
if (isBatchUpdating()) {
return;
}
_sourceColumnUpdating = true;
fireValueChanged();
_mappedColumnNamesPropertyWidget.fireValueChanged();
_sourceColumnUpdating = false;
}
});
return sourceColumnComboBox;
}
@Override
protected JComponent decorateCheckBox(final DCCheckBox<InputColumn<?>> checkBox) {
final SourceColumnComboBox sourceColumnComboBox;
final InputColumn<?> inputColumn = checkBox.getValue();
if (_mappedColumnComboBoxes.containsKey(inputColumn)) {
sourceColumnComboBox = _mappedColumnComboBoxes.get(inputColumn);
} else {
sourceColumnComboBox = createComboBox(inputColumn, null);
}
final JComponent decoratedSourceColumnComboBox =
decorateSourceColumnComboBox(inputColumn, sourceColumnComboBox);
checkBox.addListenerToHead(
new DCCheckBox.Listener<InputColumn<?>>() {
@Override
public void onItemSelected(InputColumn<?> item, boolean selected) {
_sourceColumnUpdating = true;
decoratedSourceColumnComboBox.setVisible(selected);
}
});
checkBox.addListener(
new DCCheckBox.Listener<InputColumn<?>>() {
@Override
public void onItemSelected(InputColumn<?> item, boolean selected) {
if (isBatchUpdating()) {
return;
}
_mappedColumnNamesPropertyWidget.fireValueChanged();
_sourceColumnUpdating = false;
}
});
Table table = _tableRef.get();
if (table != null) {
sourceColumnComboBox.setModel(table);
}
decoratedSourceColumnComboBox.setVisible(checkBox.isSelected());
final DCPanel panel = new DCPanel();
panel.setLayout(new BorderLayout());
panel.add(checkBox, BorderLayout.CENTER);
panel.add(decoratedSourceColumnComboBox, BorderLayout.EAST);
return panel;
}
public void setTable(Table table) {
if (table != _tableRef.get()) {
_tableRef.set(table);
updateMappedColumns();
}
}