Examples with View_Edge easik.view.edge.View_Edge used on opensource projects

Example 6 with View_Edge

use of easik.view.edge.View_Edge 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 7 with View_Edge

use of easik.view.edge.View_Edge in project fql by CategoricalData.

the class View method addEdge.

/**
 * Adds a collection (set, list, etc.) of edges to the view.
 *
 * @param inEdges
 *            Collection of ViewEdges to add
 *
 * @author Sarah van der Laan 2013
 */
public void addEdge(Collection<View_Edge> inEdges) {
    for (View_Edge edge : inEdges) {
        // Add our edge to the graph
        getGraphLayoutCache().insert(edge);
        // System.out.println("SOURCE: " +
        // edge.getSourceQueryNode().getName());
        // System.out.println("TARGET: " +
        // edge.getTargetQueryNode().getName());
        _edges.put(edge.getName(), edge);
    }
    addConstraints();
    refresh();
    _theOverview.refresh();
}

Example 8 with View_Edge

use of easik.view.edge.View_Edge 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;
    }
}

Example 9 with View_Edge

use of easik.view.edge.View_Edge in project fql by CategoricalData.

the class EditViewEdgeAction method actionPerformed.

/**
 * Called when clicked upon, will popup the edge UI and, if accepted, update
 * the name and cascade option.
 *
 * @param e
 *            The action event
 */
@Override
public void actionPerformed(ActionEvent e) {
    View _ourView = _theFrame.getMModel();
    Object[] currentSelection = _ourView.getSelectionCells();
    // non-edges which might be selected
    if ((currentSelection.length == 1) && (currentSelection[0] instanceof View_Edge)) {
        // cancel operation
        if (_ourView.getSketch().isSynced()) {
            if (JOptionPane.showConfirmDialog(_theFrame, "Warning: this sketch is currently synced with a db; delete and break synchronization?", "Warning!", JOptionPane.OK_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE) == JOptionPane.CANCEL_OPTION) {
                return;
            }
        }
        View_Edge edge = (View_Edge) currentSelection[0];
        ViewEdgeOptions opts = new ViewEdgeOptions(_theFrame, edge);
        if (opts.isAccepted()) {
            if (!opts.getName().equals(edge.getName())) {
                edge.setName(opts.getName());
            }
            // edge.setCascading(opts.getCascadeMode());
            _theFrame.getInfoTreeUI().refreshTree();
            _ourView.getGraphLayoutCache().reload();
            _ourView.clearSelection();
            _ourView.repaint();
            _ourView.setDirty();
        // _ourView.getMModel().setSynced(false);
        }
    }
}

Example 10 with View_Edge

use of easik.view.edge.View_Edge in project fql by CategoricalData.

the class NewViewEdgeAction method actionPerformed.

/**
 * The action for creating a new edge. Make sure the selection is alright,
 * and then create the edge.
 *
 * @param e
 *            The action event
 */
@Override
public void actionPerformed(ActionEvent e) {
    View _ourView = _theFrame.getMModel();
    Sketch _ourSketch = _ourView.getSketch();
    boolean foundEdge = false, forward = false, reverse = false;
    // cancel operation
    if (_ourSketch.isSynced()) {
        if (JOptionPane.showConfirmDialog(_theFrame, "Warning: this sketch is currently synced with a db; continue and break synchronization?", "Warning!", JOptionPane.OK_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE) == JOptionPane.CANCEL_OPTION) {
            return;
        }
    }
    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[] node = new EntityNode[2];
    // set corresponding node in order to use
    for (EntityNode sketchNode : _ourSketch.getEntities()) {
        if (sketchNode.getName().equalsIgnoreCase(entityNodeName)) {
            node[0] = sketchNode;
        }
    }
    if (currentSelection.length > 1) {
        currNode = (QueryNode) currentSelection[1];
        queryString = currNode.getQuery();
        entityNodeName = null;
        // find corresponding entity node name
        tokens = queryString.split("\\s+");
        for (int i = 0; i < tokens.length; i++) {
            if (tokens[i].equalsIgnoreCase("from")) {
                entityNodeName = tokens[i + 1];
            }
        }
        // set corresponding node in order to use
        for (EntityNode sketchNode : _ourSketch.getEntities()) {
            if (sketchNode.getName().equalsIgnoreCase(entityNodeName)) {
                node[1] = sketchNode;
            }
        }
        for (SketchEdge edge : _ourSketch.getEdges().values()) {
            View_Edge vEdge;
            forward = (edge.getTargetEntity().equals(node[0]) && edge.getSourceEntity().equals(node[1]));
            reverse = (edge.getTargetEntity().equals(node[1]) && edge.getSourceEntity().equals(node[0]));
            if (forward || reverse) {
                // System.out.println("This edge exists");
                foundEdge = true;
                // need to move down??
                if (edge.isPartial()) {
                    // ***NEED TO FIGURE OUT CASCADING
                    vEdge = new PartialViewEdge((QueryNode) currentSelection[0], (QueryNode) currentSelection[0], edge.getName());
                } else if (edge.isInjective()) {
                    // **NEED TO FIGURE OUT CASCADING
                    if (forward) {
                        vEdge = new InjectiveViewEdge((QueryNode) currentSelection[1], (QueryNode) currentSelection[0], edge.getName(), Cascade.RESTRICT);
                    } else {
                        vEdge = new InjectiveViewEdge((QueryNode) currentSelection[0], (QueryNode) currentSelection[1], edge.getName(), Cascade.RESTRICT);
                    }
                // System.out.println(vEdge.getName());
                } else {
                    if (forward) {
                        vEdge = new NormalViewEdge((QueryNode) currentSelection[1], (QueryNode) currentSelection[0], edge.getName());
                    } else {
                        vEdge = new NormalViewEdge((QueryNode) currentSelection[0], (QueryNode) currentSelection[1], edge.getName());
                    }
                }
                _ourView.addEdge(vEdge);
            }
        }
        if (!foundEdge) {
        // System.out.println("This edge does not exist");
        }
    } else // end checking if 2 nodes
    // edge that goes into itself
    {
    /*
			 * for(SketchEdge edge: node[0].getOutgoingEdges()) {
			 * 
			 * }
			 */
    }
}