Examples with ViewNode easik.overview.vertex.ViewNode used on opensource projects

Example 16 with ViewNode

use of easik.overview.vertex.ViewNode in project fql by CategoricalData.

the class DeleteFromSketchAction 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
@SuppressWarnings({ "unchecked", "rawtypes" })
public void actionPerformed(ActionEvent e) {
    Sketch _ourSketch = _theFrame.getMModel();
    // The confirm delete message. If we're currently synced with a db, add
    // that to the message;
    String confirm = _ourSketch.isSynced() ? "Warning: this sketch is currently synced with a db; delete and break synchronization?" : "Are you sure you want to delete selected item(s)?";
    if (JOptionPane.showConfirmDialog(_theFrame, confirm, "Warning!", JOptionPane.OK_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE) == JOptionPane.CANCEL_OPTION) {
        return;
    }
    Object[] currentSelection = _ourSketch.getSelectionCells();
    if (currentSelection.length == 0) {
        JOptionPane.showMessageDialog(_theFrame, "Operation must be performed with something selected", "Error", JOptionPane.ERROR_MESSAGE);
    } else {
        _ourSketch.getGraphModel().beginUpdate();
        // First, delete any constraints:
        for (Object o : currentSelection) {
            if (o instanceof ModelConstraint) {
                _ourSketch.removeConstraint((ModelConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>) o);
                for (ViewNode v : _ourSketch.getViews()) {
                    if (v.getMModel().getConstraints().containsKey(((ModelConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>) o).getID())) {
                        v.getMModel().removeConstraint(((ModelConstraint) o));
                    }
                }
            }
        }
        // THEN any edges:
        for (Object o : currentSelection) {
            if (o instanceof SketchEdge) {
                for (ViewNode v : _theFrame.getMModel().getViews()) {
                    if (v.getMModel().getEdges().containsKey(((SketchEdge) o).getName())) {
                        // put up a warning cause this exists in a View
                        if (JOptionPane.showConfirmDialog(_theFrame, "SketchEdge " + ((SketchEdge) o).getName() + " exists in a View. Continue and delete in view as well?", "Warning!", JOptionPane.OK_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE) == JOptionPane.CANCEL_OPTION) {
                            return;
                        }
                        // if we want to proceed and delete it...
                        v.getMModel().removeEdge(v.getMModel().getEdges().get(((SketchEdge) o).getName()));
                    }
                }
                _ourSketch.removeEdge((SketchEdge) o);
            }
        }
        // Then finally, any entities.
        for (Object o : currentSelection) {
            if (o instanceof EntityNode) {
                for (ViewNode v : _theFrame.getMModel().getViews()) {
                    if (v.getMModel().getEntityNodePairs().containsKey((o))) {
                        // put up a warning cause this exists in a View
                        if (JOptionPane.showConfirmDialog(_theFrame, "EntityNode " + ((EntityNode) o).getName() + " is being queried by a View. Continue and delete in view as well?", "Warning!", JOptionPane.OK_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE) == JOptionPane.CANCEL_OPTION) {
                            return;
                        }
                        // if we want to proceed and delete it...
                        v.getMModel().removeNode(v.getMModel().getEntityNodePairs().get(o));
                    }
                }
                _ourSketch.removeNode((EntityNode) o);
            }
        }
        _ourSketch.setDirty();
        _ourSketch.getGraphModel().endUpdate();
        _ourSketch.setSynced(false);
    }
    // Clear selection after things have been deleted
    _ourSketch.clearSelection();
}