Examples with EntityNode easik.sketch.vertex.EntityNode used on opensource projects

Example 51 with EntityNode

use of easik.sketch.vertex.EntityNode in project fql by CategoricalData.

the class JDBCUpdateMonitor method updateRow.

/**
 * Pops up a row entry dialog for the given table. The default field values
 * will be the values stored in the row of the table who's primary ID
 * matches the one given. Some cases call for use to restrict the update of
 * foreign keys. Those cases are: a) A pullback b) The summands of a sum
 * constrain c) The product of a product constraint If the table is in a
 * constraint and the user wishes to break it the update is aborted leaving
 * the old values in the record. Note: There are currently no checks to
 * ensure that pk matches a record in our table.
 *
 * @param table
 *            The EntityNode representing the table we wish to update.
 * @param pk
 *            The primary ID of the row whos data will be used to set
 *            defaults for our row entry dialog.
 * @return The Success of the update.
 */
@Override
public boolean updateRow(final EntityNode table, final int pk) {
    final DialogOptions dOpts = getDialogOptions(table);
    try {
        // Remove option to update foreign keys restricted by constraints
        for (final ModelConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> c : table.getConstraints()) {
            for (final SketchEdge se : table.getOutgoingEdges()) {
                if (c.hasEdge(se)) {
                    dOpts.fKeys.remove(cn.tableFK(se));
                }
            }
        }
        // Display dialog for user with defaults as old record values
        final RowEntryDialog red = new RowEntryDialog(_theSketch.getFrame(), "Update " + table.getName() + ": " + cn.tablePK(table) + " = " + pk, dOpts.attToType, dOpts.fKeys, DatabaseUtil.getRecord(table, pk));
        if (red.isAccepted()) {
            final Set<ColumnEntry> input = new LinkedHashSet<>(red.getInput());
            // if we do not have any new input, no need to execute an update
            if (input.isEmpty()) {
                return true;
            }
            final StringBuilder sb = new StringBuilder("UPDATE " + table.getName() + " SET ");
            for (final ColumnEntry ce : input) {
                sb.append(dbd.quoteId(ce.getColumnName())).append('=' + "?,");
            }
            // remove last comma
            sb.delete(sb.length() - 1, sb.length());
            sb.append(" WHERE ").append(cn.tablePK(table)).append('=').append(pk);
            dbd.executePreparedUpdate(sb.toString(), input);
            return true;
        }
        return false;
    } catch (SQLException e) {
        JOptionPane.showMessageDialog(table.getMModel().getFrame(), "Could not update record: " + e.getMessage());
        return false;
    }
}

Example 52 with EntityNode

use of easik.sketch.vertex.EntityNode in project fql by CategoricalData.

the class SketchHandler method startElement.

/**
 * Overloaded method that is called any time the start of an element is
 * found
 *
 * @param namespace
 * 			@see org.xml.sax.helpers.DefaultHandler
 * @param localName
 * 			@see org.xml.sax.helpers.DefaultHandler
 * @param qName
 * 			@see org.xml.sax.helpers.DefaultHandler
 * @param atts
 * 			@see org.xml.sax.helpers.DefaultHandler
 */
@Override
public void startElement(String namespace, String localName, String qName, Attributes atts) {
    _currNode = qName;
    if (qName.equals("entity")) {
        String name = atts.getValue("name");
        int x = Integer.parseInt(atts.getValue("x"));
        int y = Integer.parseInt(atts.getValue("y"));
        if (_entityNodes.containsKey(name)) {
            System.err.println("Duplicate nodes found in XML");
            return;
        }
        _newNode = new EntityNode(name, x, y, _theFrame.getMModel());
        _entityNodes.put(name, _newNode);
        _curNodeAtts = new LinkedHashMap<>();
    } else if (qName.equals("attribute")) {
        EasikType type;
        // attributeType was created by old Easik versions, and is the SQL
        // type signature
        // (such as "VARCHAR(255)"). Easik now uses attributeTypeClass,
        // containing the
        // class name, and any number of extra attributes which
        // EasikType.newType() uses to
        // recreate the appropriate EasikType object.
        String typesig = atts.getValue("attributeType");
        if (typesig != null) {
            type = EasikType.typeFromSignature(typesig);
        } else {
            String typename = atts.getValue("attributeTypeClass");
            try {
                type = EasikType.newType(typename, attributeMap(atts, "attributeType", "attributeTypeClass", "name"));
            } catch (ClassNotFoundException e) {
                System.err.println("Invalid type found in XML: '" + typename + "' (" + e.getMessage() + ")");
                return;
            }
        }
        EntityAttribute<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> myAtt = new EntityAttribute<>(atts.getValue("name"), type, _newNode);
        _curNodeAtts.put(atts.getValue("name"), myAtt);
        _newNode.addEntityAttribute(myAtt);
    } else if (qName.equals("uniqueKey")) {
        // New EASIK has noderef, telling us what we refer to. In old easik,
        // uniqueKey is under
        // the node itself (but as a result, cannot contain edge
        // references).
        String noderef = atts.getValue("noderef");
        if (noderef != null) {
            // Restore _newNode and _curNodeAtts, since we're going to need
            // them:
            _newNode = _entityNodes.get(noderef);
            _curNodeAtts = new LinkedHashMap<>();
            for (EntityAttribute<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> att : _newNode.getEntityAttributes()) {
                _curNodeAtts.put(att.getName(), att);
            }
        }
        _curUniqueKeyName = atts.getValue("name");
        _curUniqueKeyElems = new LinkedList<>();
    } else if (qName.equals("attref")) {
        _curUniqueKeyElems.add(_curNodeAtts.get(atts.getValue("name")));
    } else if (qName.equals("edgekeyref")) {
        SketchEdge e = _edges.get(atts.getValue("id"));
        if (e instanceof UniqueIndexable) {
            _curUniqueKeyElems.add((UniqueIndexable) e);
        } else {
            System.err.println("Encountered an non-unique-indexable <edgekeyref> " + e);
        }
    } else if (qName.equals("edge")) {
        SketchEdge newEdge;
        String edgeType = atts.getValue("type");
        // injective is an old EASIK attribute:
        String injective = atts.getValue("injective");
        if (injective != null) {
            edgeType = atts.getValue("injective").equals("true") ? "injective" : "normal";
        }
        EntityNode source = _entityNodes.get(atts.getValue("source"));
        EntityNode target = _entityNodes.get(atts.getValue("target"));
        String id = atts.getValue("id");
        String cascadeAtt = atts.getValue("cascade");
        if (cascadeAtt == null) {
            // This is from an export before Easik had per-edge cascading
            // (in other words, before r583)
            // We use the global preferences for cascading
            String key = "sql_cascade", def = "restrict";
            if (edgeType.equals("partial")) {
                key = "sql_cascade_partial";
                def = "set_null";
            }
            cascadeAtt = Easik.getInstance().getSettings().getProperty(key, def);
        }
        SketchEdge.Cascade cascade = cascadeAtt.equals("set_null") ? SketchEdge.Cascade.SET_NULL : cascadeAtt.equals("cascade") ? SketchEdge.Cascade.CASCADE : SketchEdge.Cascade.RESTRICT;
        if (edgeType.equals("injective")) {
            newEdge = new InjectiveEdge(source, target, id, cascade);
        } else if (edgeType.equals("partial")) {
            newEdge = new PartialEdge(source, target, id, cascade);
        } else {
            newEdge = new NormalEdge(source, target, id, cascade);
        }
        _edges.put(id, newEdge);
    } else if (qName.equals("path")) {
        _curPath = new LinkedList<>();
        _curPathId = atts.getValue("id");
        _curDomain = _entityNodes.get(atts.getValue("domain"));
    } else if (qName.equals("edgeref")) {
        _curPath.add(_edges.get(atts.getValue("id")));
    } else if (// TRIANGLES
    qName.equals("sumconstraint") || qName.equals("pullbackconstraint") || qName.equals("productconstraint") || qName.equals("commutativediagram") || qName.equals("equalizerconstraint") || qName.equals("limitconstraint")) // CF2012
    {
        _curConstraintX = Integer.parseInt(atts.getValue("x"));
        _curConstraintY = Integer.parseInt(atts.getValue("y"));
        _curConstraintVisible = atts.getValue("isVisible").equals("true");
        _curConstraintPaths = new ArrayList<>();
        _allConstraintsVisible = atts.getValue("isVisible").equals("true");
    } else if (qName.equals("pathref")) {
        // This is for compatibility with old versions of Easik (pre-2.0);
        // new versions
        // put <path> elements directly inside the various constraint
        // elements.
        _curConstraintPaths.add(_allPaths.get(atts.getValue("id")));
    } else if (qName.equals("connectionParam")) {
        _connParams.put(atts.getValue("name"), atts.getValue("value"));
    } else if (qName.equals("synchronized")) {
        // The existance of this tag tells us the sketch is synchronized
        _curSketchSync = true;
    }
}

Example 53 with EntityNode

use of easik.sketch.vertex.EntityNode in project fql by CategoricalData.

the class SketchGraphModel method getAttributes.

/**
 * Overridden method to get cell attributes; we make sure the appropriate
 * attributes are applied to the Easik objects before returning them.
 *
 * @see DefaultGraphModel.getAttributes(Object)
 *
 * @param o
 *
 * @return
 */
@Override
@SuppressWarnings("unchecked")
public AttributeMap getAttributes(Object o) {
    _mode = (_sketch.getFrame().getMode() == Mode.EDIT) ? "edit_" : "manip_";
    if (o instanceof GraphCell) {
        GraphCell cell = (GraphCell) o;
        AttributeMap attribs = cell.getAttributes();
        AttributeMap easikAttribs = null;
        if (cell instanceof SketchEdge) {
            easikAttribs = (cell instanceof InjectiveEdge) ? injectiveEdgeAttributes() : (cell instanceof PartialEdge) ? partialEdgeAttributes() : normalEdgeAttributes();
        } else if (cell instanceof TriangleEdge) {
            easikAttribs = triangleEdgeAttributes((TriangleEdge<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>) cell);
        } else if (cell instanceof GuideEdge) {
            easikAttribs = ((GuideEdge<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>) cell).isHighlighted() ? virtualHighlightedEdgeAttributes() : virtualEdgeAttributes();
        } else if (cell instanceof ModelConstraint) {
            easikAttribs = virtualVertexAttributes();
        } else if (cell instanceof EntityNode) {
            easikAttribs = vertexAttributes();
        }
        if (easikAttribs != null) {
            if (_sketch.isCellSelected(cell)) {
                Color selColor;
                float lineWidth;
                if (_sketch.getStateManager().peekState() instanceof GetPathState) {
                    selColor = getColor("path_selection");
                    lineWidth = getWidth("path_selection", 2);
                } else {
                    selColor = getColor("selection");
                    lineWidth = getWidth("selection", 3);
                }
                int borderWidth = getIntWidth(_mode + ((cell instanceof ModelConstraint) ? "constraint" : "entity") + "_border", 1);
                GraphConstants.setBorder(easikAttribs, BorderFactory.createLineBorder(selColor, borderWidth));
                GraphConstants.setForeground(easikAttribs, selColor);
                GraphConstants.setLineColor(easikAttribs, selColor);
                GraphConstants.setLineWidth(easikAttribs, lineWidth);
            }
            if (attribs == null) {
                cell.setAttributes(easikAttribs);
                attribs = easikAttribs;
            } else {
                attribs.applyMap(easikAttribs);
            }
            return attribs;
        }
    }
    return super.getAttributes(o);
}

Example 54 with EntityNode

use of easik.sketch.vertex.EntityNode in project fql by CategoricalData.

the class NewSketchEdgeAction 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) {
    Sketch _ourSketch = _theFrame.getMModel();
    // 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 = _ourSketch.getSelectionCells();
    EntityNode[] node = new EntityNode[(_edgeType == Edge.SELF) ? 1 : 2];
    if (currentSelection.length == node.length) {
        for (int i = 0; i < node.length; i++) {
            node[i] = null;
            if (currentSelection[i] instanceof EntityNode) {
                node[i] = (EntityNode) currentSelection[i];
            }
        }
    }
    if ((_edgeType == Edge.SELF) && (node[0] == null)) {
        JOptionPane.showMessageDialog(_theFrame, "Operation must be performed with one entity selected", "Error", JOptionPane.ERROR_MESSAGE);
    } else if ((_edgeType != Edge.SELF) && ((node[0] == null) || (node[1] == null))) {
        JOptionPane.showMessageDialog(_theFrame, "Operation must be performed with two entities selected", "Error", JOptionPane.ERROR_MESSAGE);
    } else {
        EdgeOptions opts = new EdgeOptions(_theFrame, _edgeType, node[0], (_edgeType == Edge.SELF) ? null : node[1]);
        if (opts.isAccepted()) {
            SketchEdge edge;
            if (_edgeType == Edge.SELF) {
                edge = new PartialEdge(node[0], node[0], opts.getName(), opts.getCascadeMode());
            } else {
                // UI:
                if (opts.isReversed()) {
                    node = new EntityNode[] { node[1], node[0] };
                }
                if (_edgeType == Edge.PARTIAL) {
                    edge = new PartialEdge(node[0], node[1], opts.getName(), opts.getCascadeMode());
                } else if (_edgeType == Edge.INJECTIVE) {
                    edge = new InjectiveEdge(node[0], node[1], opts.getName(), opts.getCascadeMode());
                } else {
                    edge = new NormalEdge(node[0], node[1], opts.getName(), opts.getCascadeMode());
                }
            }
            _ourSketch.addEdge(edge);
            _ourSketch.setDirty();
            _ourSketch.setSynced(false);
        }
    }
}

Example 55 with EntityNode

use of easik.sketch.vertex.EntityNode in project fql by CategoricalData.

the class Sketch method initialiseModel.

/**
 * When we initialise the sketch, we flush out all the data concerning the
 * sketch itself.
 *
 * This methods serves as a "new sketch" function.
 */
@Override
public void initialiseModel() {
    clearSelection();
    model = new SketchGraphModel(this);
    final GraphLayoutCache glc = new GraphLayoutCache(model, new ModelViewFactory<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>());
    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();
    _views = new HashMap<>();
    _connParams = new HashMap<>();
    model.discardUndo();
}