Examples with ModelConstraint easik.model.constraint.ModelConstraint used on opensource projects

Example 6 with ModelConstraint

use of easik.model.constraint.ModelConstraint in project fql by CategoricalData.

the class DeletePathAction method actionPerformed.

/**
 * Tests if the removal is valid and then removes the path from the
 * constraint
 *
 * @param e
 *            The action event
 */
@Override
@SuppressWarnings("unchecked")
public void actionPerformed(ActionEvent e) {
    // If there is nothing seleceted then just do nothing
    if (_theFrame.getInfoTreeUI().getInfoTree().isSelectionEmpty()) {
        return;
    }
    // cancel operation
    if (_theFrame.getMModel().isSynced()) {
        int choice = JOptionPane.showConfirmDialog(_theFrame, "Warning: this sketch is currently synced with a db; continue and break synchronization?", "Warning!", JOptionPane.OK_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE);
        if (choice == JOptionPane.CANCEL_OPTION) {
            return;
        }
    }
    // Get currently selected object
    DefaultMutableTreeNode curSelected = (DefaultMutableTreeNode) _theFrame.getInfoTreeUI().getInfoTree().getSelectionPath().getLastPathComponent();
    // Selection is a constraint
    if (curSelected instanceof ModelPath) {
        ModelConstraint<F, GM, M, N, E> curConstraint = (ModelConstraint<F, GM, M, N, E>) curSelected.getParent();
        ArrayList<ModelPath<F, GM, M, N, E>> tempPaths = new ArrayList<>();
        tempPaths.remove(curSelected);
        boolean valid = false;
        if (curConstraint instanceof SumConstraint) {
            valid = _theFrame.getMModel().isSumConstraint(tempPaths);
            // Replace previous path array list
            if (valid) {
                ((SumConstraint<F, GM, M, N, E>) curConstraint).setPaths(tempPaths);
            }
        } else if (curConstraint instanceof ProductConstraint) {
            valid = _theFrame.getMModel().isProductConstraint(tempPaths);
            // Replace previous path array list
            if (valid) {
                ((ProductConstraint<F, GM, M, N, E>) curConstraint).setPaths(tempPaths);
            }
        } else if (curConstraint instanceof CommutativeDiagram) {
            valid = _theFrame.getMModel().isCommutativeDiagram(tempPaths);
            // Replace previous path array list
            if (valid) {
                ((CommutativeDiagram<F, GM, M, N, E>) curConstraint).setPaths(tempPaths);
            }
        } else {
            JOptionPane.showMessageDialog(_theFrame, "You don't have a path selected that can be removed. \nPlease select another path and try again.", "No ModelConstraint Selected", JOptionPane.ERROR_MESSAGE);
            return;
        }
        if (valid) {
            ModelConstraint<F, GM, M, N, E> myConst = curConstraint;
            // Remove old tree node
            myConst.removeFromParent();
            _theFrame.getInfoTreeUI().addConstraint(myConst);
            // Referesh Tree
            _theFrame.getInfoTreeUI().refreshTree(myConst);
            _theFrame.getMModel().setDirty();
            _theFrame.getMModel().setSynced(false);
        } else {
            JOptionPane.showMessageDialog(_theFrame, "Revoming this path would make the constraint invalid.\nPath was not removed", "Path Not Removed", JOptionPane.ERROR_MESSAGE);
        }
    } else // Selection is not a constraint
    {
        JOptionPane.showMessageDialog(_theFrame, "You don't have a path selected. \nPlease select a path and try again.", "No ModelConstraint Selected", JOptionPane.ERROR_MESSAGE);
    }
}

Example 7 with ModelConstraint

use of easik.model.constraint.ModelConstraint in project fql by CategoricalData.

the class ModelVertexRenderer method getRendererComponent.

/**
 * Returns the renderer component after initializing it
 *
 * @param graph
 *            The graph (really a M in disguise)
 * @param view
 *            The cell view
 * @param sel
 *            If the view is selected or not
 * @param focus
 *            If the view has focus or not
 * @param preview
 *            If the graph is in preview mode or not
 * @return The renderer component fully initialized
 */
@Override
@SuppressWarnings("unchecked")
public Component getRendererComponent(JGraph graph, CellView view, boolean sel, boolean focus, boolean preview) {
    this.model = (M) graph;
    this.selected = sel;
    this.preview = preview;
    this.hasFocus = focus;
    ModelVertex<F, GM, M, N, E> v = (ModelVertex<F, GM, M, N, E>) view.getCell();
    // doesn't paint anything
    if ((v instanceof ModelConstraint) && !((ModelConstraint<F, GM, M, N, E>) v).isVisible()) {
        return new JPanel() {

            private static final long serialVersionUID = -8516030326162065848L;

            @Override
            public void paint(Graphics g) {
            }
        };
    }
    // may be because of int casting and off by one)
    if ((int) (view.getBounds().getX()) != v.getX() || (int) (view.getBounds().getY()) != v.getY()) {
        model.setDirty();
    }
    // Initialize panel
    removeAll();
    setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
    // Add in entity/constraint label
    add(_entity = new JPanel(new GridLayout(1, 1)));
    _entity.add(_entityLabel = new JLabel(v.getName(), SwingConstants.CENTER));
    N myNode = (N) v;
    // Add in attributes
    _attributes = new JPanel(new GridLayout(0, 1));
    add(_attributes);
    for (EntityAttribute<F, GM, M, N, E> att : myNode.getEntityAttributes()) {
        _attributes.add(new JLabel(" @ " + att.getName()));
    }
    if ((_attributes.getComponentCount() == 0) || !model.getFrame().getShowAttsVal()) {
        _attributes.setVisible(false);
    }
    // Add in unique keys
    _uniqueKeys = new JPanel(new GridLayout(0, 1));
    add(_uniqueKeys);
    for (UniqueKey<F, GM, M, N, E> key : myNode.getUniqueKeys()) {
        _uniqueKeys.add(new JLabel(" $ " + key.getKeyName()));
    }
    if ((_uniqueKeys.getComponentCount() == 0) || !model.getFrame().getShowAttsVal()) {
        _uniqueKeys.setVisible(false);
    }
    @SuppressWarnings("rawtypes") Map attributes = view.getAllAttributes();
    installAttributes(v, attributes);
    // Set desired size
    setSize(getPreferredSize());
    return this;
}

Example 8 with ModelConstraint

use of easik.model.constraint.ModelConstraint in project fql by CategoricalData.

the class JDBCExporter method createConstraints.

/**
 * Generates db constraints from the sketch constraints. This method is not
 * generally overridden by drivers: the individual createConstraint(...)
 * methods are called for each existing constraint.
 *
 * @return list of queries to create the constraints.
 */
protected List<String> createConstraints() {
    final List<String> constraintSQL = new LinkedList<>();
    final List<ModelConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>> constraints = new ArrayList<>(sketch.getConstraints().values());
    int id = 0;
    for (final ModelConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> c : constraints) {
        id++;
        if (c instanceof CommutativeDiagram) {
            constraintSQL.addAll(createConstraint((CommutativeDiagram<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>) c, String.valueOf(id)));
        } else if (c instanceof ProductConstraint) {
            constraintSQL.addAll(createConstraint((ProductConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>) c, String.valueOf(id)));
        } else if (c instanceof PullbackConstraint) {
            constraintSQL.addAll(createConstraint((PullbackConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>) c, String.valueOf(id)));
        } else if (c instanceof EqualizerConstraint) {
            constraintSQL.addAll(createConstraint((EqualizerConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>) c, String.valueOf(id)));
        } else if (c instanceof SumConstraint) {
            constraintSQL.addAll(createConstraint((SumConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>) c, String.valueOf(id)));
        } else if (c instanceof LimitConstraint) {
            constraintSQL.addAll(createConstraint((LimitConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>) c, String.valueOf(id)));
        } else {
            System.err.println("Unknown constraint type encountered: " + c.getClass());
        }
    }
    return constraintSQL;
}

Example 9 with ModelConstraint

use of easik.model.constraint.ModelConstraint in project fql by CategoricalData.

the class Model method removeConstraint.

/**
 * Removes a constraint and guide arrows
 *
 * @param toRemove
 *            The constraint about to be removed
 */
public void removeConstraint(final ModelConstraint<F, GM, M, N, E> toRemove) {
    model.beginUpdate();
    getGraphLayoutCache().remove(toRemove.getGuideEdges().toArray(new GuideEdge[toRemove.getGuideEdges().size()]));
    getGraphLayoutCache().remove(new Object[] { toRemove });
    final int position = toRemove.getID();
    _constraints.remove(toRemove.getID());
    for (N n : toRemove.getEntities()) {
        n.removeConstraint(toRemove);
    }
    model.postEdit(new AbstractUndoableEdit() {

        /**
         */
        private static final long serialVersionUID = 6431577416127308496L;

        @Override
        public void undo() {
            super.undo();
            _constraints.put(position, toRemove);
            for (N n : toRemove.getEntities()) {
                n.addConstraint(toRemove);
            }
        }

        @Override
        public void redo() {
            super.redo();
            _constraints.remove(position);
            for (N n : toRemove.getEntities()) {
                n.removeConstraint(toRemove);
            }
        }
    });
    // Remove Entity from tree
    _Frame.getInfoTreeUI().removeConstraint(toRemove);
    model.endUpdate();
}

Example 10 with ModelConstraint

use of easik.model.constraint.ModelConstraint in project fql by CategoricalData.

the class JDBCUpdateMonitor method insert.

/**
 * Determines if insertion into a given table requires special handling due
 * to constraints it may be in. As of now, special cases that may result
 * from being in multiple constraints are not supported.
 *
 * @param table
 *            The table into which we wish to insert data
 * @return Success of the insertion
 */
@Override
public boolean insert(final EntityNode table) {
    final DialogOptions dOpts = getDialogOptions(table);
    final String lineSep = EasikTools.systemLineSeparator();
    // a set of column-value pairs of which we wish to force a specific
    // value, leaving the user out
    final Set<ColumnEntry> forced = new HashSet<>(10);
    // contstraint. Tighten up?
    for (final ModelConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> c : table.getConstraints()) {
        if (c instanceof SumConstraint) {
            // of its foreign key, so remove it from the dialog's selection
            for (final ModelPath<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> sp : c.getPaths()) {
                if (sp.getDomain() == table) {
                    // we force the value 0 to avoid out driver to kick back
                    // an error for having a null fKey
                    final String columnName = cn.tableFK(sp.getFirstEdge());
                    dOpts.fKeys.remove(columnName);
                    forced.add(new ColumnEntry(columnName, "0", new Int()));
                    break;
                }
            }
        }
        if (c instanceof CommutativeDiagram) {
            // commute
            if (c.getPaths().get(0).getDomain() == table) {
                JOptionPane.showMessageDialog(null, "Be sure that the following paths commute:" + lineSep + EasikTools.join(lineSep, c.getPaths()), "Commutative diagram", JOptionPane.INFORMATION_MESSAGE);
                try {
                    return promptAndInsert(table, dOpts, forced);
                } catch (SQLException e) {
                    /*
						 * if(e instanceof com.mysql.jdbc.exceptions.jdbc4.
						 * MySQLIntegrityConstraintViolationException){
						 * //injective property violated
						 * JOptionPane.showMessageDialog(null, e.getMessage(),
						 * "Injective property violation",
						 * JOptionPane.ERROR_MESSAGE); }else{
						 */
                    JOptionPane.showMessageDialog(null, "Not all of the following paths commute -- insert aborted!" + lineSep + EasikTools.join(lineSep, c.getPaths()), "Commutative diagram failure", JOptionPane.ERROR_MESSAGE);
                // }
                }
            }
        }
        if (c instanceof PullbackConstraint) {
            // happens, we want to let the user update the new record
            if (((PullbackConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>) c).getTarget() != table) {
                final EntityNode pullback = ((PullbackConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>) c).getSource();
                try {
                    // get row count pre-insert
                    ResultSet result = dbd.executeQuery("SELECT COUNT(*) FROM " + pullback.getName() + " X");
                    result.next();
                    final int preRowCount = result.getInt(1);
                    if (!promptAndInsert(table, dOpts)) {
                        return false;
                    }
                    // get row count post-insert
                    result = dbd.executeQuery("SELECT COUNT(*) FROM " + pullback.getName() + " X");
                    result.next();
                    final int postRowCount = result.getInt(1);
                    // new row (the one with the highest primary ID)
                    if (postRowCount > preRowCount) {
                        result = dbd.executeQuery("SELECT MAX(" + cn.tablePK(pullback) + ") FROM " + pullback.getName() + " X");
                        result.next();
                        final int pk = result.getInt(1);
                        if (JOptionPane.showConfirmDialog(null, "New record in pullback table '" + pullback.getName() + "'. Enter column data?", "Insert column data?", JOptionPane.YES_NO_OPTION) == 0) {
                            updateRow(pullback, pk);
                        }
                    }
                    return true;
                } catch (SQLException e) {
                    JOptionPane.showMessageDialog(null, "Could not execute update. MYSQL Error output:\n" + e.getMessage());
                }
            }
        }
        if (c instanceof ProductConstraint) {
            // inserting into the product.
            for (final ModelPath<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> sp : c.getPaths()) {
                if (sp.getCoDomain() == table) {
                    final EntityNode product = sp.getDomain();
                    try {
                        if (!promptAndInsert(table, dOpts)) {
                            return false;
                        }
                        // get the new records from the product. They are
                        // any record who's fk to our INSERT factor matches
                        // the primary id of the last insert
                        ResultSet result = dbd.executeQuery("SELECT MAX(" + cn.tablePK(table) + ") FROM " + table.getName() + " X");
                        result.next();
                        final int newPK = result.getInt(1);
                        result = dbd.executeQuery("SELECT * FROM " + product.getName() + " WHERE " + cn.tableFK(sp.getFirstEdge()) + " = " + newPK);
                        // get count of new rows as result of INSERT
                        result.last();
                        final int newRows = result.getRow();
                        result.beforeFirst();
                        if ((newRows > 0) && (JOptionPane.showConfirmDialog(null, newRows + " new rows in product table '" + product.getName() + "'. Insert column data?", "Insert column data?", JOptionPane.YES_NO_OPTION) == 0)) {
                            while (result.next()) {
                                updateRow(product, result.getInt(1));
                            }
                        }
                    } catch (SQLException e) {
                        JOptionPane.showMessageDialog(null, e.getMessage());
                    }
                    return true;
                }
            }
        }
        if (c instanceof LimitConstraint) {
        // TRIANGLES TODO CF2012 Incomplete
        }
    }
    try {
        return promptAndInsert(table, dOpts, forced);
    } catch (SQLException e) {
        JOptionPane.showMessageDialog(null, "Could not execute update. MYSQL Error output:\n" + e.getMessage());
        System.err.println(e.getMessage());
        return false;
    }
}