Examples with FlowVariable org.knime.core.node.workflow.FlowVariable used on opensource projects

Example 16 with FlowVariable

use of org.knime.core.node.workflow.FlowVariable in project knime-core by knime.

the class WorkflowVariablesDialog method editWorkflowVariable.

private void editWorkflowVariable(final FlowVariable selectedVar, final int selectionIdx) {
    if (selectedVar.isGlobalConstant()) {
        MessageDialog.openError(getParentShell(), "Global Constant", selectedVar.getName() + " is a global constant " + "and cannot be modified!");
        return;
    }
    WorkflowVariablesEditDialog dialog = new WorkflowVariablesEditDialog();
    dialog.create();
    dialog.loadFrom(selectedVar);
    if (dialog.open() == Window.CANCEL) {
        // if the user has canceled the dialog there is nothing left to do
        return;
    }
    // else replace it...
    FlowVariable var = dialog.getScopeVariable();
    if (var != null) {
        m_table.replace(selectionIdx, var);
        m_table.getViewer().refresh();
    }
}

Example 17 with FlowVariable

use of org.knime.core.node.workflow.FlowVariable in project knime-core by knime.

the class WorkflowVariablesDialog method replaceWorkflowVariables.

private void replaceWorkflowVariables(final boolean skipReset) {
    List<FlowVariable> toBeRemoved = new ArrayList<FlowVariable>();
    toBeRemoved.addAll(m_workflow.getWorkflowVariables());
    toBeRemoved.removeAll(m_table.getVariables());
    for (FlowVariable v : toBeRemoved) {
        m_workflow.removeWorkflowVariable(v.getName());
    }
    // replace
    FlowVariable[] vars = new FlowVariable[m_table.getVariables().size()];
    m_workflow.addWorkflowVariables(skipReset, m_table.getVariables().toArray(vars));
}

Example 18 with FlowVariable

use of org.knime.core.node.workflow.FlowVariable in project knime-core by knime.

the class WorkflowVariablesEditDialog method okPressed.

/**
 * {@inheritDoc}
 */
@Override
protected void okPressed() {
    String varName = m_varNameCtrl.getText().trim();
    if (varName.isEmpty()) {
        String msg = "Variable name must not be empty!";
        showError(msg);
        throw new OperationCanceledException(msg);
    }
    String value = m_varDefaultValueCtrl.getText().trim();
    if (value.isEmpty()) {
        String msg = "A default value must be entered!";
        showError(msg);
        throw new OperationCanceledException(msg);
    }
    int selectionIdx = m_typeSelectionCtrl.getSelectionIndex();
    if (selectionIdx < 0) {
        String msg = "No type selected for variable " + varName;
        showError(msg);
        throw new IllegalArgumentException(msg);
    }
    String typeString = m_typeSelectionCtrl.getItem(selectionIdx);
    m_type = FlowVariable.Type.valueOf(typeString);
    if (FlowVariable.Type.DOUBLE.equals(m_type)) {
        try {
            m_variable = new FlowVariable(varName, Double.parseDouble(value));
        } catch (NumberFormatException nfe) {
            m_variable = null;
            String msg = "Invalid default value " + value + " for variable " + varName + "!";
            showError(msg);
            throw new OperationCanceledException(msg);
        }
    } else if (FlowVariable.Type.STRING.equals(m_type)) {
        m_variable = new FlowVariable(varName, value);
    } else if (FlowVariable.Type.INTEGER.equals(m_type)) {
        try {
            m_variable = new FlowVariable(varName, Integer.parseInt(value));
        } catch (NumberFormatException nfe) {
            m_variable = null;
            String msg = "Invalid default value " + value + " for variable " + varName + "!";
            showError(msg);
            throw new OperationCanceledException(msg);
        }
    }
    super.okPressed();
}

Example 19 with FlowVariable

use of org.knime.core.node.workflow.FlowVariable in project knime-core by knime.

the class AppendToTableNodeDialogPane method loadSettingsFrom.

/**
 * {@inheritDoc}
 */
@Override
protected void loadSettingsFrom(final NodeSettingsRO settings, final PortObjectSpec[] specs) throws NotConfigurableException {
    Map<String, FlowVariable> scopeVars = getAvailableFlowVariables();
    AppendVariableToTableSettings sets = new AppendVariableToTableSettings();
    sets.loadSettingsFrom(settings, scopeVars);
    DefaultListModel model = (DefaultListModel) m_list.getModel();
    model.removeAllElements();
    int[] selIndices = new int[sets.getVariablesOfInterest().size()];
    int current = 0;
    int pointer = 0;
    for (FlowVariable v : scopeVars.values()) {
        model.addElement(v);
        if (sets.getVariablesOfInterest().contains(new Pair<String, FlowVariable.Type>(v.getName(), v.getType()))) {
            selIndices[pointer++] = current;
        }
        current += 1;
    }
    selIndices = Arrays.copyOf(selIndices, pointer);
    m_list.setSelectedIndices(selIndices);
    m_all.setSelected(sets.getIncludeAll());
}

Example 20 with FlowVariable

use of org.knime.core.node.workflow.FlowVariable in project knime-core by knime.

the class VariableFileReaderNodeSettings method createSettingsFrom.

/**
 * Creates a clone from this object replacing the dataURL location by the
 * value from stack.
 *
 * @param stack the map containing all currently available variables and
 *            their values
 * @return a copy of this settings object with the file location replaced by
 *         the value of the variable
 * @throws InvalidSettingsException if the variable is not on the stack
 * @throws MalformedURLException if the value of the variable is not a valid
 *             URL
 */
VariableFileReaderNodeSettings createSettingsFrom(final Map<String, FlowVariable> stack) throws MalformedURLException, InvalidSettingsException {
    VariableFileReaderNodeSettings result = new VariableFileReaderNodeSettings(this);
    FlowVariable var = stack.get(m_variableName);
    if (var == null) {
        throw new InvalidSettingsException("File location variable (" + m_variableName + ") is not on the stack.");
    }
    if (!var.getType().equals(FlowVariable.Type.STRING)) {
        throw new InvalidSettingsException("Selected file location variable (" + m_variableName + ") is not of type string.");
    }
    if (var.getStringValue() == null || var.getStringValue().isEmpty()) {
        throw new InvalidSettingsException("File location variable (" + m_variableName + ") is not set. Execute predecessor.");
    }
    URL loc = FileReaderNodeDialog.textToURL(var.getStringValue());
    result.setDataFileLocationAndUpdateTableName(loc);
    return result;
}