Examples with FlowVariableModel org.knime.core.node.FlowVariableModel used on opensource projects

Example 1 with FlowVariableModel

use of org.knime.core.node.FlowVariableModel in project knime-core by knime.

the class RuleEngineNodeDialog method createEditorPart.

/*
     * Editor part (from top to bottom, from left to right): default label
     * (label, text field) new column name (label, text field) rule editor (rule
     * text field, outcome text field, add button, clear button) error text
     * field
     */
private Box createEditorPart() {
    /*
         * Default label box
         */
    m_defaultLabelEditor = new JTextField(10);
    m_defaultLabelEditor.setMaximumSize(new Dimension(Integer.MAX_VALUE, 20));
    m_defaultLabelEditor.addFocusListener(new FocusAdapter() {

        @Override
        public void focusGained(final FocusEvent e) {
            if (m_defaultLabelEditor.getText().equals(DEFAULT_LABEL)) {
                m_defaultLabelEditor.setText("");
            }
            m_lastUsedTextfield = m_defaultLabelEditor;
        }
    });
    JPanel defaultLabelBox = new JPanel(new GridBagLayout());
    GridBagConstraints c = new GridBagConstraints();
    c.gridx = 0;
    c.gridy = 0;
    c.weightx = 0.1;
    c.anchor = GridBagConstraints.WEST;
    c.insets = new Insets(0, 20, 0, 0);
    defaultLabelBox.add(new JLabel("Default label (if no rule matches): "), c);
    c.insets = new Insets(0, 0, 0, 0);
    c.gridx++;
    c.weightx = 1;
    c.fill = GridBagConstraints.HORIZONTAL;
    defaultLabelBox.add(m_defaultLabelEditor, c);
    c.fill = GridBagConstraints.NONE;
    c.weightx = 0.1;
    // also add a variable Model + corresponding icon to make this
    // option controllable via a variable
    FlowVariableModel fvm = createFlowVariableModel(RuleEngineSettings.CFG_DEFAULT_LABEL, FlowVariable.Type.STRING);
    fvm.addChangeListener(new ChangeListener() {

        @Override
        public void stateChanged(final ChangeEvent evt) {
            FlowVariableModel svm = (FlowVariableModel) (evt.getSource());
            m_defaultLabelEditor.setEnabled(!svm.isVariableReplacementEnabled());
        }
    });
    c.gridx++;
    defaultLabelBox.add(new FlowVariableModelButton(fvm), c);
    c.gridx++;
    defaultLabelBox.setMaximumSize(new Dimension(Integer.MAX_VALUE, 30));
    c.gridy++;
    c.gridx = 1;
    m_defaultLabelIsColumn = new JCheckBox("is a column reference");
    defaultLabelBox.add(m_defaultLabelIsColumn, c);
    /*
         * New column name box
         */
    m_newColumnName = new JTextField(10);
    m_newColumnName.setMaximumSize(new Dimension(Integer.MAX_VALUE, 20));
    m_newColumnName.addFocusListener(new FocusAdapter() {

        @Override
        public void focusGained(final FocusEvent e) {
            if (m_newColumnName.getText().equals(NEW_COL_NAME)) {
                m_newColumnName.setText("");
            }
        }
    });
    Box newColNameBox = Box.createHorizontalBox();
    newColNameBox.add(Box.createHorizontalStrut(20));
    newColNameBox.add(new JLabel("Appended column name: "));
    newColNameBox.add(Box.createHorizontalGlue());
    newColNameBox.add(m_newColumnName);
    newColNameBox.add(Box.createHorizontalGlue());
    newColNameBox.add(Box.createHorizontalStrut(10));
    newColNameBox.setMaximumSize(new Dimension(Integer.MAX_VALUE, 30));
    /*
         * Rule Box
         */
    JPanel ruleBox = new JPanel(new GridBagLayout());
    m_ruleEditor = new JTextField(RULE_LABEL, 35);
    m_ruleEditor.setMaximumSize(new Dimension(Integer.MAX_VALUE, 20));
    m_ruleEditor.addFocusListener(new FocusAdapter() {

        @Override
        public void focusGained(final FocusEvent e) {
            if (m_ruleEditor.getText().equals(RULE_LABEL)) {
                m_ruleEditor.setText("");
            }
            m_lastUsedTextfield = m_ruleEditor;
        }
    });
    m_ruleLabelEditor = new JTextField(OUTCOME_LABEL, 10);
    m_ruleLabelEditor.setMaximumSize(new Dimension(Integer.MAX_VALUE, 20));
    m_ruleLabelEditor.addFocusListener(new FocusAdapter() {

        @Override
        public void focusGained(final FocusEvent e) {
            if (m_ruleLabelEditor.getText().equals(OUTCOME_LABEL)) {
                m_ruleLabelEditor.setText("");
            }
            m_lastUsedTextfield = m_ruleLabelEditor;
        }
    });
    m_lastUsedTextfield = m_ruleEditor;
    /*
         * Add Button
         */
    JButton add = new JButton("Add");
    add.addActionListener(new ActionListener() {

        @Override
        public void actionPerformed(final ActionEvent arg0) {
            LOGGER.debug("adding: " + m_ruleEditor.getText() + "=>" + m_ruleLabelEditor.getText());
            addRule();
            m_lastUsedTextfield = m_ruleEditor;
        }
    });
    /*
         * Clear Button
         */
    JButton clear = new JButton("Clear");
    clear.addActionListener(new ActionListener() {

        @Override
        public void actionPerformed(final ActionEvent arg0) {
            m_ruleEditor.setText("");
            m_ruleLabelEditor.setText("");
        }
    });
    m_outcomeIsColumn = new JCheckBox("is a column reference");
    /*
         * Putting the rule editor together (rule, outcome, add, clear)
         */
    c.gridx = 0;
    c.gridy = 0;
    c.insets = new Insets(0, 20, 0, 0);
    c.weightx = 0.8;
    c.fill = GridBagConstraints.HORIZONTAL;
    ruleBox.add(new JLabel("Condition"), c);
    c.gridx++;
    c.weightx = 0.1;
    c.insets = new Insets(0, 5, 0, 0);
    ruleBox.add(new JLabel("Outcome"), c);
    c.gridx = 0;
    c.gridy++;
    c.insets = new Insets(0, 20, 0, 0);
    ruleBox.add(m_ruleEditor, c);
    c.insets = new Insets(0, 5, 0, 0);
    c.gridx++;
    c.weightx = 0.1;
    ruleBox.add(m_ruleLabelEditor, c);
    c.insets = new Insets(0, 10, 0, 0);
    c.fill = GridBagConstraints.NONE;
    c.gridx++;
    ruleBox.add(add, c);
    c.gridx++;
    ruleBox.add(clear, c);
    c.gridy++;
    c.gridx = 1;
    c.insets = new Insets(0, 5, 0, 0);
    ruleBox.add(m_outcomeIsColumn, c);
    /*
         * Putting it all together
         */
    Box editorBox = Box.createVerticalBox();
    editorBox.add(newColNameBox);
    editorBox.add(Box.createVerticalStrut(20));
    editorBox.add(defaultLabelBox);
    editorBox.add(Box.createVerticalStrut(20));
    editorBox.add(ruleBox);
    editorBox.add(Box.createVerticalStrut(20));
    m_error = new JLabel(" ");
    m_error.setForeground(Color.RED);
    editorBox.add(m_error);
    editorBox.setBorder(BorderFactory.createEtchedBorder());
    return editorBox;
}

Example 2 with FlowVariableModel

use of org.knime.core.node.FlowVariableModel in project knime-core by knime.

the class DialogComponentNumberEdit method setEnabledComponents.

/**
 * {@inheritDoc}
 */
@Override
protected void setEnabledComponents(final boolean enabled) {
    boolean valueFieldEnabled = enabled;
    // enable the spinner according to the variable model
    if (m_fvmButton != null) {
        FlowVariableModel svmModel = m_fvmButton.getFlowVariableModel();
        if (svmModel.isVariableReplacementEnabled()) {
            valueFieldEnabled = false;
        }
        m_fvmButton.setEnabled(enabled);
    }
    m_valueField.setEnabled(valueFieldEnabled);
}

Example 3 with FlowVariableModel

use of org.knime.core.node.FlowVariableModel in project knime-core by knime.

the class ColumnRowFilterPanel method instantiateComponents.

@SuppressWarnings("unchecked")
private void instantiateComponents(final RowFilterNodeDialogPane parentPane, final DataTableSpec tSpec) throws NotConfigurableException {
    /* instantiate the col idx selector, depending on the table spec */
    assert ((tSpec != null) && (tSpec.getNumColumns() > 0));
    Vector<String> colNames = new Vector<String>();
    for (int c = 0; c < tSpec.getNumColumns(); c++) {
        colNames.add(tSpec.getColumnSpec(c).getName());
    }
    m_colCombo = new ColumnSelectionComboxBox((Border) null, DataValue.class);
    m_colCombo.update(tSpec, null);
    m_colCombo.addItemListener(new ItemListener() {

        @Override
        public void itemStateChanged(final ItemEvent e) {
            selectedColChanged();
        }
    });
    m_deepFiltering = new JCheckBox("filter based on collection elements");
    /* the selectors for what kind of checking will be done */
    m_useRange = new JRadioButton("use range checking");
    m_useRegExpr = new JRadioButton("use pattern matching");
    m_useMissValue = new JRadioButton("only missing values match");
    m_useRange.addItemListener(new ItemListener() {

        @Override
        public void itemStateChanged(final ItemEvent e) {
            radiosChanged();
        }
    });
    m_useRegExpr.addItemListener(new ItemListener() {

        @Override
        public void itemStateChanged(final ItemEvent e) {
            radiosChanged();
        }
    });
    m_useMissValue.addItemListener(new ItemListener() {

        @Override
        public void itemStateChanged(final ItemEvent e) {
            radiosChanged();
        }
    });
    m_radios = new ButtonGroup();
    m_radios.add(m_useRange);
    m_radios.add(m_useRegExpr);
    m_radios.add(m_useMissValue);
    /* the bound edit fields */
    m_lowerLabel = new JLabel("lower bound:");
    m_lowerLabel.setToolTipText("Smallest value of the range to be filtered.");
    m_lowerBound = new JTextField();
    m_upperLabel = new JLabel("upper bound:");
    m_upperLabel.setToolTipText("Largest value of the range to be filtered.");
    m_upperBound = new JTextField();
    m_lowerBound.getDocument().addDocumentListener(new DocumentListener() {

        @Override
        public void insertUpdate(final DocumentEvent e) {
            boundsChanged();
        }

        @Override
        public void removeUpdate(final DocumentEvent e) {
            boundsChanged();
        }

        @Override
        public void changedUpdate(final DocumentEvent e) {
            boundsChanged();
        }
    });
    m_upperBound.getDocument().addDocumentListener(new DocumentListener() {

        @Override
        public void insertUpdate(final DocumentEvent e) {
            boundsChanged();
        }

        @Override
        public void removeUpdate(final DocumentEvent e) {
            boundsChanged();
        }

        @Override
        public void changedUpdate(final DocumentEvent e) {
            boundsChanged();
        }
    });
    /* the regular expression stuff */
    m_regLabel = new JLabel("pattern:");
    // it's important that the column selection is created before!
    m_regExpr = new JComboBox(getPossibleValuesOfSelectedColumn());
    m_regExpr.setEditable(true);
    m_regExpr.setSelectedItem("");
    m_regExpr.setMinimumSize(new Dimension(50, m_regExpr.getPreferredSize().height));
    // m_regExpr.setPreferredSize(new Dimension(200, 50));
    m_regExpr.setMaximumSize(new Dimension(300, 50));
    JTextField ed = (JTextField) m_regExpr.getEditor().getEditorComponent();
    ed.getDocument().addDocumentListener(new DocumentListener() {

        @Override
        public void insertUpdate(final DocumentEvent e) {
            regExprChanged();
        }

        @Override
        public void removeUpdate(final DocumentEvent e) {
            regExprChanged();
        }

        @Override
        public void changedUpdate(final DocumentEvent e) {
            regExprChanged();
        }
    });
    m_regExpr.addItemListener(this);
    /* add flow variable button for the pattern/regexpr */
    FlowVariableModel fvm = parentPane.createFlowVariableModel(new String[] { RowFilterNodeModel.CFGFILTER, StringCompareRowFilter.CFGKEY_PATTERN }, FlowVariable.Type.STRING);
    fvm.addChangeListener(new ChangeListener() {

        @Override
        public void stateChanged(final ChangeEvent evt) {
            FlowVariableModel fvm = (FlowVariableModel) (evt.getSource());
            m_regExpr.setEnabled(!fvm.isVariableReplacementEnabled());
            if (fvm.isVariableReplacementEnabled() && m_regExpr.getSelectedItem().equals("")) {
                // TODO: replace with more meaningful default - empty
                // pattern are rejected by dialog.
                m_regExpr.setSelectedItem(fvm.getInputVariableName());
            }
        }
    });
    m_regExprVarButton = new FlowVariableModelButton(fvm);
    m_caseSensitive = new JCheckBox("case sensitive match");
    m_isRegExpr = new JCheckBox("regular expression");
    m_hasWildCards = new JCheckBox("contains wild cards");
    m_hasWildCards.setToolTipText("insert '?' or '*' to match any one " + "character or any sequence (including none) of characters.");
    m_isRegExpr.addItemListener(new ItemListener() {

        @Override
        public void itemStateChanged(final ItemEvent e) {
            wildRegExprChanged(e);
            // also trigger regular expression recompile
            regExprChanged();
        }
    });
    m_hasWildCards.addItemListener(new ItemListener() {

        @Override
        public void itemStateChanged(final ItemEvent e) {
            wildRegExprChanged(e);
            // also trigger regular expression recompile
            regExprChanged();
        }
    });
    /* and a label to display errors/warnings */
    m_errText = new JTextArea();
    m_errText.setEditable(false);
    m_errText.setLineWrap(true);
    m_errText.setWrapStyleWord(true);
    m_errText.setBackground(getBackground());
    m_errText.setFont(new Font(m_errText.getFont().getName(), Font.BOLD, m_errText.getFont().getSize()));
    m_errText.setMinimumSize(new Dimension(350, 50));
    m_errText.setMaximumSize(new Dimension(350, 100));
    m_errText.setForeground(Color.RED);
    /* set the default values */
    m_useRegExpr.setSelected(true);
}

Example 4 with FlowVariableModel

use of org.knime.core.node.FlowVariableModel in project knime-core by knime.

the class FixedWidthFRNodeDialog method createFileNamePanel.

private JPanel createFileNamePanel() {
    JPanel panel = new JPanel();
    panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
    panel.setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(), "Enter ASCII data file location: (press 'Enter' to update preview)"));
    FlowVariableModel flowVarBrowseModel = createFlowVariableModel(FixedWidthFRSettings.CFGKEY_URL, Type.STRING);
    m_url = new FilesHistoryPanel(flowVarBrowseModel, FILEREADER_HISTORY_ID, LocationValidation.FileInput, new String[] { ".txt", ".csv" });
    m_url.addChangeListener(new ChangeListener() {

        @Override
        public void stateChanged(final ChangeEvent e) {
            if (!m_loadSettings) {
                try {
                    URL newUrl = FileUtil.toURL(m_url.getSelectedFile());
                    m_nodeSettings.setFileLocation(newUrl);
                } catch (IOException | InvalidPathException ioe) {
                    m_nodeSettings.setFileLocation(null);
                }
                if (!m_preserveSettings.isSelected() && !m_url.isVariableReplacementEnabled()) {
                    m_nodeSettings.reset();
                }
                m_hasColHeaders.setSelected(m_nodeSettings.getHasColHeaders());
                m_hasRowHeaders.setSelected(m_nodeSettings.getHasRowHeader());
                updateColPropTable();
                updatePreview();
                updateEnables();
            }
        }
    });
    // the checkbox for preserving the current settings on file change
    Box preserveBox = Box.createHorizontalBox();
    m_preserveSettings = new JCheckBox("Preserve user settings for new location");
    m_preserveSettings.setToolTipText("if not checked, the settings you" + " have set are reset, if a new location is entered");
    m_preserveSettings.setSelected(false);
    m_preserveSettings.setEnabled(true);
    preserveBox.add(Box.createHorizontalGlue());
    preserveBox.add(m_preserveSettings);
    preserveBox.add(Box.createHorizontalGlue());
    panel.add(m_url);
    panel.add(preserveBox);
    panel.setMaximumSize(new Dimension(PANEL_WIDTH, 70));
    panel.setMinimumSize(new Dimension(PANEL_WIDTH, 70));
    return panel;
}

Example 5 with FlowVariableModel

use of org.knime.core.node.FlowVariableModel in project knime-core by knime.

the class ListFilesNodeDialog method createLocationPanel.

/**
 * This Methods build the Location Panel.
 *
 * @return Location Panel
 */
private JPanel createLocationPanel() {
    JPanel panel = new JPanel();
    panel.setLayout(new GridBagLayout());
    panel.setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(), "Location:"));
    // Creating the browse button to get its preferred height
    FlowVariableModel fvm = createFlowVariableModel("file_location", FlowVariable.Type.STRING);
    // Directory (local location)
    m_localdirectory = new FilesHistoryPanel(fvm, "filereader_history", LocationValidation.DirectoryInput, new String[] {});
    m_localdirectory.setSelectMode(JFileChooser.DIRECTORIES_ONLY);
    m_localdirectory.setAllowRemoteURLs(false);
    m_recursive = new JCheckBox();
    m_recursive.setText("include sub folders");
    GridBagConstraints c = new GridBagConstraints();
    c.fill = GridBagConstraints.HORIZONTAL;
    c.gridwidth = 1;
    c.gridx = 0;
    c.gridy = 0;
    c.weightx = 1;
    c.weighty = 0;
    panel.add(m_localdirectory, c);
    c.gridy++;
    panel.add(m_recursive, c);
    return panel;
}