Examples with Manipulator org.knime.base.node.preproc.stringmanipulation.manipulator.Manipulator used on opensource projects

Example 1 with Manipulator

use of org.knime.base.node.preproc.stringmanipulation.manipulator.Manipulator in project knime-core by knime.

the class JSnippetPanel method updateManipulatorList.

private void updateManipulatorList(final String category) {
    Object selected = m_manipulators.getSelectedValue();
    DefaultListModel model = (DefaultListModel) m_manipulators.getModel();
    model.clear();
    for (Manipulator manipulator : m_manipProvider.getManipulators(category)) {
        model.addElement(manipulator);
    }
    m_manipulators.setSelectedValue(selected, true);
}

Example 2 with Manipulator

use of org.knime.base.node.preproc.stringmanipulation.manipulator.Manipulator in project knime-core by knime.

the class JSnippetPanel method onSelectionInManipulatorList.

/**
 * Inserts text based on the selected manipulator.
 *
 * @param selected A {@link Manipulator}.
 * @since 2.8
 */
protected void onSelectionInManipulatorList(final Object selected) {
    if (selected != null) {
        Manipulator manipulator = (Manipulator) selected;
        String selectedString = m_expEdit.getSelectedText();
        StringBuilder newStr = new StringBuilder(manipulator.getName());
        newStr.append('(');
        for (int i = 0; i < manipulator.getNrArgs(); i++) {
            newStr.append(i > 0 ? ", " : "");
            if (i == 0 && selectedString != null) {
                newStr.append(selectedString);
            }
        }
        newStr.append(')');
        m_expEdit.replaceSelection(newStr.toString());
        if (manipulator.getNrArgs() > 0 && selectedString == null) {
            int caretPos = m_expEdit.getCaretPosition();
            m_expEdit.setCaretPosition(1 + m_expEdit.getText().indexOf('(', caretPos - newStr.toString().length()));
        }
        m_expEdit.requestFocus();
    }
}

Example 3 with Manipulator

use of org.knime.base.node.preproc.stringmanipulation.manipulator.Manipulator in project knime-core by knime.

the class JSnippetPanel method initCompletionProvider.

private void initCompletionProvider() {
    Collection<? extends Manipulator> manipulators = m_manipProvider.getManipulators(ManipulatorProvider.ALL_CATEGORY);
    for (Manipulator m : manipulators) {
        Completion completion = new BasicCompletion(m_completionProvider, m.getName(), m.getDisplayName(), m.getDescription());
        m_completionProvider.addCompletion(completion);
    }
}

Example 4 with Manipulator

use of org.knime.base.node.preproc.stringmanipulation.manipulator.Manipulator in project knime-core by knime.

the class JSnippetPanel method initComponents.

private void initComponents() {
    m_colList = new JList(new DefaultListModel());
    m_colList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    m_colList.addKeyListener(new KeyAdapter() {

        /**
         * {@inheritDoc}
         */
        @Override
        public void keyTyped(final KeyEvent e) {
            if (e.getKeyChar() == KeyEvent.VK_ENTER) {
                Object selected = m_colList.getSelectedValue();
                if (selected != null) {
                    onSelectionInColumnList(selected);
                }
            }
        }
    });
    m_colList.addMouseListener(new MouseAdapter() {

        /**
         * {@inheritDoc}
         */
        @Override
        public void mouseClicked(final MouseEvent e) {
            if (e.getClickCount() == 2) {
                Object selected = m_colList.getSelectedValue();
                if (selected != null) {
                    onSelectionInColumnList(selected);
                }
            }
        }
    });
    m_colList.setCellRenderer(new ListRenderer());
    m_flowVarsList = new JList(new DefaultListModel());
    m_flowVarsList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    // enable tooltip
    m_flowVarsList.setToolTipText("");
    m_flowVarsList.addKeyListener(new KeyAdapter() {

        /**
         * {@inheritDoc}
         */
        @Override
        public void keyTyped(final KeyEvent e) {
            if (e.getKeyChar() == KeyEvent.VK_ENTER) {
                Object selected = m_flowVarsList.getSelectedValue();
                if (selected != null) {
                    onSelectionInVariableList(selected);
                }
            }
        }
    });
    m_flowVarsList.addMouseListener(new MouseAdapter() {

        /**
         * {@inheritDoc}
         */
        @Override
        public void mouseClicked(final MouseEvent e) {
            if (e.getClickCount() == 2) {
                Object selected = m_flowVarsList.getSelectedValue();
                if (selected != null) {
                    onSelectionInVariableList(selected);
                }
            }
        }
    });
    m_flowVarsList.setCellRenderer(new FlowVariableListCellRenderer());
    m_categories = new JComboBox(m_manipProvider.getCategories().toArray());
    m_categories.addActionListener(new ActionListener() {

        @Override
        public void actionPerformed(final ActionEvent e) {
            JComboBox cb = (JComboBox) e.getSource();
            String category = (String) cb.getSelectedItem();
            updateManipulatorList(category);
        }
    });
    m_manipulators = new JList(new DefaultListModel());
    m_manipulators.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    m_manipulators.setCellRenderer(new ManipulatorListCellRenderer());
    m_manipulators.addKeyListener(new KeyAdapter() {

        /**
         * {@inheritDoc}
         */
        @Override
        public void keyTyped(final KeyEvent e) {
            if (e.getKeyChar() == KeyEvent.VK_ENTER) {
                Object selected = m_manipulators.getSelectedValue();
                if (selected != null) {
                    onSelectionInManipulatorList(selected);
                }
            }
        }
    });
    m_manipulators.addMouseListener(new MouseAdapter() {

        /**
         * {@inheritDoc}
         */
        @Override
        public void mouseClicked(final MouseEvent e) {
            if (e.getClickCount() == 2) {
                Object selected = m_manipulators.getSelectedValue();
                if (selected != null) {
                    onSelectionInManipulatorList(selected);
                }
            }
        }
    });
    m_manipulators.addListSelectionListener(new ListSelectionListener() {

        @Override
        public void valueChanged(final ListSelectionEvent e) {
            Object selected = m_manipulators.getSelectedValue();
            if (selected != null) {
                Manipulator manipulator = (Manipulator) selected;
                m_description.setText(manipulator.getDescription());
                m_description.setCaretPosition(0);
            } else {
                m_description.setText("");
            }
        }
    });
    HTMLEditorKit kit = new HTMLEditorKit();
    StyleSheet css = new StyleSheet();
    css.addRule("* { font-family: sans-serif; }");
    kit.setStyleSheet(css);
    m_description = new JTextPane();
    m_description.setEditorKit(kit);
    m_description.setEditable(false);
    m_description.setBackground(getBackground());
    updateManipulatorList(ManipulatorProvider.ALL_CATEGORY);
    initSubComponents();
}

Example 5 with Manipulator

use of org.knime.base.node.preproc.stringmanipulation.manipulator.Manipulator in project knime-core by knime.

the class StringManipulationSettings method determineReturnType.

private Class<?> determineReturnType(final String expression) throws InvalidSettingsException {
    if (expression.isEmpty()) {
        throw new InvalidSettingsException("Empty expressions are not supported.");
    }
    int endIndex = StringUtils.indexOf(expression, '(');
    if (endIndex < 0) {
        throw new InvalidSettingsException(getAmbigiousReturnTypeMessage());
    }
    String function = expression.substring(0, endIndex);
    StringManipulatorProvider provider = StringManipulatorProvider.getDefault();
    // Add StringManipulators to the imports
    Collection<Manipulator> manipulators = provider.getManipulators(ManipulatorProvider.ALL_CATEGORY);
    Class<?> returnType = null;
    for (Manipulator manipulator : manipulators) {
        if (function.equals(manipulator.getName())) {
            returnType = manipulator.getReturnType();
        }
    }
    if (null == returnType) {
        throw new InvalidSettingsException(getAmbigiousReturnTypeMessage());
    }
    return returnType;
}