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

Example 11 with QueryNode

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

the class View method addEntity.

/**
 * Adds a collection (set, list, etc.) of QueryNodes to the graph.
 *
 * @param theEntities
 *            the collection of entities to be added.
 */
public void addEntity(final Collection<QueryNode> theEntities) {
    // Push loading state
    _stateManager.pushState(new LoadingState<>(this));
    final GraphLayoutCache glc = getGraphLayoutCache();
    model.beginUpdate();
    for (final QueryNode node : theEntities) {
        // Set the on-screen position of our entity to the attributes of the
        // entity
        final AttributeMap nAttribs = node.getAttributes();
        GraphConstants.setAutoSize(nAttribs, true);
        GraphConstants.setBounds(nAttribs, new Rectangle2D.Double(node.getX(), node.getY(), 0, 0));
        if (_nodes.containsKey(node.getName())) {
            node.setName(node.getName());
        }
        // Add our entity to the graph
        glc.insert(node);
        // Add our entity to our table of entities
        _nodes.put(node.toString(), node);
        // Add Entity to tree
        _Frame.getInfoTreeUI().addNode(node);
    }
    model.postEdit(new AbstractUndoableEdit() {

        /**
         */
        private static final long serialVersionUID = -74767611415529681L;

        @Override
        public void undo() {
            super.undo();
            for (final QueryNode node : theEntities) {
                _nodes.remove(node.toString());
            }
        }

        @Override
        public void redo() {
            super.redo();
            for (final QueryNode node : theEntities) {
                _nodes.put(node.toString(), node);
            }
        }
    });
    model.endUpdate();
    autoAddExistingEdges();
    // Reload the graph to respect the new changes
    glc.reload();
    // Pop state
    _stateManager.popState();
}

Example 12 with QueryNode

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

the class View method removeNode.

/**
 * Removes an entity, and also cascades to remove all the arrows involved
 * with it.
 *
 * @param toRemove
 *            The entity about to be removed
 */
@Override
public void removeNode(final QueryNode toRemove) {
    // So we don't get a ConcurrentModificationException
    final ArrayList<View_Edge> removeEdges = new ArrayList<>();
    for (final View_Edge edge : _edges.values()) {
        if (edge.getSourceQueryNode().equals(toRemove) || edge.getTargetQueryNode().equals(toRemove)) {
            // add the edge to a list of edges to remove
            removeEdges.add(edge);
        }
    }
    model.beginUpdate();
    // Remove the edges
    for (final View_Edge e : removeEdges) {
        removeEdge(e);
    }
    // remove the constraints this queryNode is a part of
    for (ModelConstraint<ViewFrame, ViewGraphModel, View, QueryNode, View_Edge> c : toRemove.getConstraints()) {
        if (_constraints.containsKey(c.getID())) {
            this.removeConstraint(c);
        }
    }
    _nodes.remove(toRemove.toString());
    getGraphLayoutCache().remove(new Object[] { toRemove });
    // Remove Entity from tree
    _Frame.getInfoTreeUI().removeNode(toRemove);
    model.endUpdate();
}

Example 13 with QueryNode

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

the class View method addNewNode.

/**
 * Add a new, empty entity at point X, Y
 *
 * @param name
 *            The name of the new entity being added
 * @param x
 *            X Coordinate of new entity
 * @param y
 *            Y Coordinate of new entity
 */
@Override
public void addNewNode(final String name, final double x, final double y) {
    final QueryNode newEntity;
    // this won't throw exception because query is blank
    try {
        newEntity = new QueryNode(name, (int) x, (int) y, this, "");
        addEntity(newEntity);
    } catch (QueryException e) {
        e.printStackTrace();
    }
}

Example 14 with QueryNode

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

the class View method initialiseModel.

/**
 * When we initialize the sketch, we flush out all the data concerning the
 * sketch itself. Even the modelAdapter is reinitialized.
 *
 * This methods serves as a "new sketch" function.
 */
@Override
public void initialiseModel() {
    clearSelection();
    model = new ViewGraphModel(this);
    final GraphLayoutCache glc = new GraphLayoutCache(model, new ModelViewFactory<ViewFrame, ViewGraphModel, View, QueryNode, View_Edge>());
    setModel(model);
    setGraphLayoutCache(glc);
    _nodes = new LinkedHashMap<>();
    _edges = new LinkedHashMap<>();
    if (_Frame.getInfoTreeUI() != null) {
        // Wipe
        _Frame.setInfoTreeUI(new ModelInfoTreeUI<>(_Frame));
        // Tree
        _Frame.getInfoTreeUI().refreshTree();
    }
    _docInfo.reset();
    model.discardUndo();
}

Example 15 with QueryNode

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

the class OverviewFileIO method viewToElement.

/**
 * Converts a view to an Element
 *
 * @param document
 *            The Document in which our information will be placed.
 * @param view
 *            The view we're reading
 * @return All of the information needed to rebuild the view contained in an
 *         Element. Returns null in the event that the element could not be
 *         created.
 *
 * @version 2014, Federico Mora
 */
public static Element viewToElement(Document document, View view) {
    try {
        Element rootElement = document.createElement("view");
        Element header = document.createElement("header");
        DocumentInfo d = view.getDocInfo();
        Element name = document.createElement("title");
        name.appendChild(document.createTextNode(d.getName()));
        header.appendChild(name);
        for (String aut : d.getAuthors()) {
            Element author = document.createElement("author");
            author.appendChild(document.createTextNode(aut));
            header.appendChild(author);
        }
        Element desc = document.createElement("description");
        desc.appendChild(document.createTextNode(d.getDesc()));
        header.appendChild(desc);
        Element creationDate = document.createElement("creationDate");
        creationDate.appendChild(document.createTextNode(EasikConstants.XML_DATETIME.format(d.getCreationDate())));
        header.appendChild(creationDate);
        Element modDate = document.createElement("lastModificationDate");
        modDate.appendChild(document.createTextNode(EasikConstants.XML_DATETIME.format(d.getModificationDate())));
        header.appendChild(modDate);
        rootElement.appendChild(header);
        Element queryNodes = document.createElement("queryNodes");
        // Loop through query nodes, add them to the document
        for (QueryNode currentNode : view.getEntities()) {
            if (currentNode == null) {
                continue;
            }
            Element thisNode = document.createElement("queryNode");
            thisNode.setAttribute("name", currentNode.toString());
            thisNode.setAttribute("x", currentNode.getX() + "");
            thisNode.setAttribute("y", currentNode.getY() + "");
            String query = currentNode.getQuery();
            thisNode.setAttribute("query", (query == null) ? "" : query);
            queryNodes.appendChild(thisNode);
        }
        rootElement.appendChild(queryNodes);
        Element edges = document.createElement("ViewEdges");
        for (View_Edge currentEdge : view.getEdges().values()) {
            Element thisEdge = document.createElement("ViewEdge");
            thisEdge.setAttribute("id", currentEdge.getName());
            thisEdge.setAttribute("source", currentEdge.getSourceQueryNode().getName());
            thisEdge.setAttribute("target", currentEdge.getTargetQueryNode().getName());
            thisEdge.setAttribute("type", (currentEdge instanceof PartialViewEdge) ? "partial" : (currentEdge instanceof InjectiveViewEdge) ? "injective" : "normal");
            thisEdge.setAttribute("cascade", (currentEdge.getCascading() == View_Edge.Cascade.SET_NULL) ? "set_null" : (currentEdge.getCascading() == View_Edge.Cascade.CASCADE) ? "cascade" : "restrict");
            edges.appendChild(thisEdge);
        }
        rootElement.appendChild(edges);
        return rootElement;
    } catch (Exception e) {
        return null;
    }
}