Examples with NominalValueFilterConfiguration org.knime.core.node.util.filter.nominal.NominalValueFilterConfiguration used on opensource projects

Example 1 with NominalValueFilterConfiguration

use of org.knime.core.node.util.filter.nominal.NominalValueFilterConfiguration in project knime-core by knime.

the class NominalValueRowFilterNodeDialog method loadSettingsFrom.

/**
 * {@inheritDoc}
 */
@Override
protected void loadSettingsFrom(final NodeSettingsRO settings, final DataTableSpec[] specs) throws NotConfigurableException {
    if (specs.length == 0 || specs[0] == null) {
        throw new NotConfigurableException("No incoming columns found. " + "Please connect the node with input table!");
    }
    // get selected column
    m_selectedColumn = settings.getString(CFG_SELECTED_COL, "");
    // clear old values
    m_colAttributes.clear();
    m_columns.removeAllElements();
    // disable item state change listener while adding values
    m_columnSelection.removeItemListener(this);
    // fill the models
    for (DataColumnSpec colSpec : specs[0]) {
        if (colSpec.getType().isCompatible(NominalValue.class) && colSpec.getDomain().hasValues()) {
            m_columns.addElement(colSpec.getName());
            // create column - possible values mapping
            m_colAttributes.put(colSpec.getName(), colSpec.getDomain().getValues());
        }
    }
    // set selection
    if (m_selectedColumn != null) {
        m_columnSelection.setSelectedItem(m_selectedColumn);
        // enable item change listener again
        m_columnSelection.addItemListener(this);
    } else {
        m_columnSelection.addItemListener(this);
        m_columnSelection.setSelectedIndex(-1);
        m_columnSelection.setSelectedItem(m_columnSelection.getItemAt(0));
    }
    NominalValueFilterConfiguration config = new NominalValueFilterConfiguration(CFG_CONFIGROOTNAME);
    Set<DataCell> domain = m_colAttributes.get(m_selectedColumn);
    if (settings.containsKey(CFG_CONFIGROOTNAME)) {
        config.loadConfigurationInDialog(settings, domain);
    } else {
        // backwards compatibility
        String[] selectedAttributes = settings.getStringArray(CFG_SELECTED_ATTR, "");
        Set<String> includedAttr = new HashSet<String>();
        for (String s : selectedAttributes) {
            includedAttr.add(s);
        }
        ArrayList<String> m_included = new ArrayList<String>();
        ArrayList<String> m_excluded = new ArrayList<String>();
        if (domain != null) {
            for (DataCell dc : domain) {
                // if possible value was in the settings...
                if (includedAttr.contains(dc.toString())) {
                    // ... put it to included ...
                    m_included.add(dc.toString());
                } else {
                    // ... else to excluded
                    m_excluded.add(dc.toString());
                }
            }
        }
        config.loadDefaults(m_included.toArray(new String[m_included.size()]), m_excluded.toArray(new String[m_excluded.size()]), EnforceOption.EnforceInclusion);
    }
    m_filterPanel.loadConfiguration(config, domain);
}

Example 2 with NominalValueFilterConfiguration

use of org.knime.core.node.util.filter.nominal.NominalValueFilterConfiguration in project knime-core by knime.

the class NominalValueRowFilterNodeDialog method saveSettingsTo.

/**
 * {@inheritDoc}
 */
@Override
protected void saveSettingsTo(final NodeSettingsWO settings) throws InvalidSettingsException {
    String selectedColumn = (String) m_columnSelection.getSelectedItem();
    CheckUtils.checkSettingNotNull(selectedColumn, "No nominal column selected (there is no nominal column in " + "the input or the upstream node is not executed)");
    settings.addString(CFG_SELECTED_COL, selectedColumn);
    NominalValueFilterConfiguration config = new NominalValueFilterConfiguration(CFG_CONFIGROOTNAME);
    m_filterPanel.saveConfiguration(config);
    config.saveConfiguration(settings);
}

Example 3 with NominalValueFilterConfiguration

use of org.knime.core.node.util.filter.nominal.NominalValueFilterConfiguration in project knime-core by knime.

the class NominalValueRowFilterNodeDialog method itemStateChanged.

/**
 * {@inheritDoc}
 *
 * If the nominal column selection changes, include and exclude lists are
 * cleared and all possible values of that column are put into the exclude
 * list.
 */
@Override
public void itemStateChanged(final ItemEvent item) {
    if (item.getStateChange() == ItemEvent.SELECTED) {
        m_selectedColumn = (String) item.getItem();
        ArrayList<String> names = new ArrayList<>();
        if (m_colAttributes.get(m_selectedColumn) != null) {
            for (DataCell dc : m_colAttributes.get(m_selectedColumn)) {
                names.add(dc.toString());
            }
        }
        String[] namesArray = names.toArray(new String[names.size()]);
        NominalValueFilterConfiguration config = new NominalValueFilterConfiguration(CFG_CONFIGROOTNAME);
        config.loadDefaults(null, namesArray, EnforceOption.EnforceInclusion);
        m_filterPanel.loadConfiguration(config, namesArray);
    }
}