Examples with QueryNode easik.view.vertex.QueryNode used on opensource projects

Example 1 with QueryNode

use of easik.view.vertex.QueryNode in project fql by CategoricalData.

the class ViewFrame method setPopMenu.

/**
 * Figures out which popup menu should be displayed, based on the editing
 * mode of the sketch on which this is a view. Ensures the the appropriate
 * menu items are enabled based on the current selection.
 *
 * @return The popup menu that should be displayed. (i.e. the editing popup
 *         if the sketch of which this view in on is in edit mode and the
 *         manipulate option otherwise.)
 */
public JPopupMenu setPopMenu() {
    Object[] currentSelection = _ourView.getSelectionCells();
    _ViewAddPopItem.setToolTipText("Add a row to the view table refrenced by this query node");
    if (_ourView.getSketch().getFrame().getMode() == SketchFrame.Mode.MANIPULATE) {
        boolean enableViewQuery = currentSelection.length == 1;
        _ViewQueryPopItem.setEnabled(enableViewQuery);
        // Disable all elements
        for (final Component c : _manipModePopMenu.getComponents()) {
            c.setEnabled(false);
        }
        if (currentSelection.length == 0) {
            return null;
        }
        final Object selected = currentSelection[0];
        if (selected instanceof QueryNode) {
            setQueryPopItems((QueryNode) selected);
            return _manipModePopMenu;
        }
        return null;
    }
    // Disable all elements
    for (final Component c : _editModePopMenu.getComponents()) {
        c.setEnabled(false);
    }
    if (currentSelection.length == 0) {
        _AddQueryNodePopItem.setEnabled(true);
        return _editModePopMenu;
    }
    // check for mixed selection
    final Object selected1 = currentSelection[0];
    for (final Object o : currentSelection) {
        if (o.getClass() != selected1.getClass()) {
            // Disable all elements
            for (final Component c : _editModePopMenu.getComponents()) {
                c.setEnabled(false);
            }
            // We always want delete
            _DeletePopItem.setEnabled(true);
            return _editModePopMenu;
        }
    }
    if (selected1 instanceof QueryNode) {
        _DefineQueryNodePopItem.setEnabled(true);
        _DeletePopItem.setEnabled(true);
        return _editModePopMenu;
    } else if (selected1 instanceof View_Edge) {
        return null;
    }
    return null;
}

Example 2 with QueryNode

use of easik.view.vertex.QueryNode in project fql by CategoricalData.

the class ViewUpdateAction method actionPerformed.

/**
 * @param e
 *            The action event
 * @author Sarah van der Laan
 */
@Override
public void actionPerformed(ActionEvent e) {
    Object[] currentSelection = _ourView.getSelectionCells();
    QueryNode currNode = (QueryNode) currentSelection[0];
    String queryString = currNode.getQuery();
    String entityNodeName = null;
    // find corresponding entity node name
    String[] tokens = queryString.split("\\s+");
    for (int i = 0; i < tokens.length; i++) {
        if (tokens[i].equalsIgnoreCase("from")) {
            entityNodeName = tokens[i + 1];
        }
    }
    EntityNode _ourEntityNode = null;
    // set corresponding node in order to use
    for (EntityNode node : _ourSketch.getEntities()) {
        if (node.getName().equalsIgnoreCase(entityNodeName)) {
            _ourEntityNode = node;
        }
    }
    if (!_ourSketch.hasDatabase()) {
        JOptionPane.showMessageDialog(null, "Not currently connected to a database.");
        return;
    } else {
        UpdateMonitor um = _ourSketch.getDatabase().newUpdateMonitor();
        if (um == null) {
            JOptionPane.showMessageDialog(null, "Could not perform update: problem accessing db driver");
            return;
        }
        if (_ourEntityNode != null)
            um.updateRow(_ourEntityNode);
    }
}

Example 3 with QueryNode

use of easik.view.vertex.QueryNode in project fql by CategoricalData.

the class DefineQueryNodeFromTreeAction method actionPerformed.

/**
 * Fires updateNode(QueryNode ourNode) with the current selection, should
 * its size be equal to 1.
 *
 * @param e
 *            The action event
 */
@Override
public void actionPerformed(ActionEvent e) {
    Object[] currentSelection = _theFrame.getMModel().getSelectionCells();
    if (currentSelection.length != 1) {
        return;
    }
    DefaultMutableTreeNode selected = (DefaultMutableTreeNode) _theFrame.getInfoTreeUI().getInfoTree().getSelectionPath().getLastPathComponent();
    if (selected.getUserObject() instanceof QueryNode) {
        updateNode((QueryNode) selected.getUserObject());
    }
}

Example 4 with QueryNode

use of easik.view.vertex.QueryNode in project fql by CategoricalData.

the class DeleteFromViewFromTreeAction method actionPerformed.

/**
 * When the action is performed, selection is deleted if possible. Error is
 * displayed if no graph item is selected.
 *
 * @param e
 *            The action event
 */
@Override
public void actionPerformed(ActionEvent e) {
    int op = JOptionPane.showConfirmDialog(_theFrame, "Are you sure you want to delete the selected items?", "Confirm Deletion", JOptionPane.YES_NO_OPTION);
    if (op == JOptionPane.YES_OPTION) {
        Object[] currentSelection = _theFrame.getMModel().getSelectionCells();
        if (currentSelection.length == 0) {
            JOptionPane.showMessageDialog(_theFrame, "Operation must be performed with something selected", "Error", JOptionPane.ERROR_MESSAGE);
        } else {
            DefaultMutableTreeNode selected = (DefaultMutableTreeNode) _theFrame.getInfoTreeUI().getInfoTree().getSelectionPath().getLastPathComponent();
            if (selected.getUserObject() instanceof QueryNode) {
                _theFrame.getMModel().removeNode((QueryNode) selected.getUserObject());
            }
            _theFrame.getMModel().setDirty();
        }
        // Clear selection after things have been deleted
        _theFrame.getMModel().clearSelection();
    }
}

Example 5 with QueryNode

use of easik.view.vertex.QueryNode in project fql by CategoricalData.

the class DefineQueryNodeAction method actionPerformed.

/**
 * Fires updateNode(QueryNode ourNode) with the current selection, should
 * its size be equal to 1.
 *
 * @param e
 *            The action event
 */
@Override
public void actionPerformed(ActionEvent e) {
    Object[] currentSelection = _theFrame.getMModel().getSelectionCells();
    if (currentSelection.length != 1) {
        return;
    }
    QueryNode ourNode = (QueryNode) currentSelection[0];
    updateNode(ourNode);
}