Examples with SketchEdge easik.sketch.edge.SketchEdge used on opensource projects

Example 46 with SketchEdge

use of easik.sketch.edge.SketchEdge in project fql by CategoricalData.

the class Sketch method addEdge.

/**
 * Adds a collection (set, list, etc.) of edges to the sketch.
 *
 * @param inEdges
 *            Collection of SketchEdges to add
 */
public String addEdge(final Collection<SketchEdge> inEdges) {
    // Push loading state
    _stateManager.pushState(new LoadingState<>(this));
    final GraphLayoutCache glc = getGraphLayoutCache();
    model.beginUpdate();
    for (final SketchEdge edge : inEdges) {
        if (_edges.containsKey(edge.getName())) {
            edge.setName(edge.getName());
        }
        // Add our entity to the graph
        glc.insert(edge);
        _edges.put(edge.getName(), edge);
        edge.getSourceEntity().addDepend(edge.getTargetEntity());
    }
    String warning = "";
    String prevCycle = strongConnected;
    KosarajuSCC s = new KosarajuSCC(this);
    strongConnected = s.getSCC();
    // about this cycle previously
    if (setHasCycle(!strongConnected.isEmpty()) && !prevCycle.equals(strongConnected)) {
        warning += this.getName() + " contains a strongly connected component" + "\n        " + strongConnected + "\n";
    }
    // if there is a mismatched path pair in the sketch
    String temp = pPaths;
    pPaths = this.multPathWarning();
    if (!pPaths.isEmpty() && !temp.equals(pPaths)) {
        warning += pPaths;
    }
    if (!warning.isEmpty() && useWarnings()) {
        JOptionPane.showMessageDialog(this, warning, "Warning", JOptionPane.ERROR_MESSAGE);
    } else if (!useWarnings()) {
        return warning;
    }
    model.postEdit(new AbstractUndoableEdit() {

        /**
         */
        private static final long serialVersionUID = -6523342649950083978L;

        @Override
        public void undo() {
            super.undo();
            for (final SketchEdge edge : inEdges) {
                _edges.remove(edge.getName());
            }
        }

        @Override
        public void redo() {
            super.redo();
            for (final SketchEdge edge : inEdges) {
                _edges.put(edge.getName(), edge);
                edge.getSourceEntity().addDepend(edge.getTargetEntity());
            }
        }
    });
    model.endUpdate();
    // Pop state
    _stateManager.popState();
    refresh();
    _theOverview.refresh();
    return null;
}

Example 47 with SketchEdge

use of easik.sketch.edge.SketchEdge in project fql by CategoricalData.

the class Sketch method buildpath.

/**
 * Recursive method that does most of the work for multPathWarning
 *
 * @return ArrayList used to create path
 * @author Federico Mora
 */
@SuppressWarnings("unchecked")
private static ArrayList<LinkedList<SketchEdge>> buildpath(EntityNode start, EntityNode end) {
    ArrayList<SketchEdge> visited = new ArrayList<>();
    ArrayList<LinkedList<SketchEdge>> paths = new ArrayList<>();
    // BFS uses LinkedList data structure
    LinkedList<EntityNode> LinkedList = new LinkedList<>();
    LinkedList.add(start);
    // visited.add(start);
    while (!LinkedList.isEmpty()) {
        EntityNode node = LinkedList.remove();
        for (SketchEdge ed : node.getOutgoingEdges()) {
            if (!visited.contains(ed)) {
                visited.add(ed);
                // find a LinkedList to add the edge to
                boolean queueExists = false;
                LinkedList<SketchEdge> newPath = null;
                for (LinkedList<SketchEdge> q : paths) {
                    if (q.peekLast().getTargetEntity() == ed.getSourceEntity()) {
                        newPath = (java.util.LinkedList<SketchEdge>) q.clone();
                        newPath.add(ed);
                        queueExists = true;
                        continue;
                    }
                }
                // else make a new LinkedList
                if (!queueExists) {
                    LinkedList<SketchEdge> p = new LinkedList<>();
                    p.add(ed);
                    paths.add(p);
                } else {
                    paths.add(newPath);
                }
                if (ed.getTargetEntity() == end) {
                // return paths;
                } else {
                    LinkedList.add(ed.getTargetEntity());
                }
            }
        }
    }
    return paths;
}

Example 48 with SketchEdge

use of easik.sketch.edge.SketchEdge in project fql by CategoricalData.

the class JDBCViewUpdateMonitor method getDialogOptions.

/**
 * Gets the options needed for open a dialog for row insertion: map of
 * attribute names to their type, and a map of foreign key names to a JTable
 * of data they point to.
 *
 * @param table
 *            The node representing the table who's information we want
 * @return Wrapper class holding the maps needed for insertion dialog
 */
private DialogOptions getDialogOptions(final EntityNode table) {
    @SuppressWarnings("unused") final HashSet<ModelConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>> constraints = new HashSet<ModelConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>>(table.getConstraints());
    final HashMap<String, EasikType> attToType = new HashMap<>(25);
    final LinkedHashMap<String, EntityNode> fKeys = new LinkedHashMap<>(10);
    // find attributes, and map to their EasikType
    for (final EntityAttribute<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> ea : table.getEntityAttributes()) {
        attToType.put(ea.getName(), ea.getType());
    }
    // find all foreign keys, and add to foreign key set
    for (final SketchEdge ske : table.getOutgoingEdges()) {
        fKeys.put(cn.tableFK(ske), ske.getTargetEntity());
    }
    return new DialogOptions(attToType, fKeys);
}

Example 49 with SketchEdge

use of easik.sketch.edge.SketchEdge 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();
}

Example 50 with SketchEdge

use of easik.sketch.edge.SketchEdge in project fql by CategoricalData.

the class DeleteRowAction method actionPerformed.

/**
 * Create the new entity and set up its name
 *
 * @param e
 *            The action event
 */
@Override
public void actionPerformed(ActionEvent e) {
    Object[] currentSelection = _theSketch.getSelectionCells();
    Object selected = currentSelection[0];
    if (!(selected instanceof EntityNode)) {
        System.err.println("Action only available on entity nodes: easik.ui.menu.popup.DeleteRowAction");
        return;
    }
    EntityNode table = (EntityNode) selected;
    ArrayList<String> domains = new ArrayList<>();
    // warn user about possible cascades
    for (SketchEdge sk : _theSketch.getEdges().values()) {
        if (sk.getTargetEntity().getName().equals(table.getName()) && sk.getCascading() == Cascade.CASCADE) {
            domains.add(sk.getSourceEntity().getName());
        }
    }
    if (domains.size() > 0) {
        if (JOptionPane.showConfirmDialog(_theSketch, "Warning: Rows in this table may have foreign rows in " + domains.toString() + " which will be deleted on cascade", "Warning", JOptionPane.OK_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE) == JOptionPane.CANCEL_OPTION) {
            return;
        }
    }
    UpdateMonitor um = _theSketch.getDatabase().newUpdateMonitor();
    um.deleteFrom(table);
}