Examples with PanelEquationGraph gov.sandia.n2a.ui.eq.PanelEquationGraph used on opensource projects

Example 1 with PanelEquationGraph

use of gov.sandia.n2a.ui.eq.PanelEquationGraph in project n2a by frothga.

the class ChangePart method apply.

public void apply(String nameBefore, String nameAfter) {
    NodePart parent = (NodePart) NodeBase.locateNode(path);
    if (parent == null)
        throw new CannotRedoException();
    NodeBase temp = parent.child(nameBefore);
    if (!(temp instanceof NodePart))
        throw new CannotRedoException();
    NodePart nodeBefore = (NodePart) temp;
    // Update the database
    // Move the subtree
    MPart mparent = parent.source;
    mparent.clear(nameBefore);
    mparent.set(savedTree, nameAfter);
    MPart oldPart = (MPart) mparent.child(nameBefore);
    MPart newPart = (MPart) mparent.child(nameAfter);
    // Change connection bindings to this part.
    // See ChangeVariable.apply() for a similar procedure. More detailed comments appear there.
    // We make use of static functions in that class to do the heavy work of emitting code with name changes.
    // TODO: This approach will probably fail on parts that contain references to themselves.
    PanelEquations pe = PanelModel.instance.panelEquations;
    List<List<String>> references = new ArrayList<List<String>>();
    try {
        MPart doc = pe.root.source;
        EquationSet compiled = new EquationSet(doc);
        List<String> keypath = new ArrayList<String>(path.subList(1, path.size()));
        EquationSet eold;
        EquationSet enew;
        if (oldPart == null) {
            EquationSet p = (EquationSet) compiled.getObject(keypath);
            eold = new EquationSet(p, nameBefore);
            p.parts.add(eold);
            keypath.add(nameAfter);
        } else {
            keypath.add(nameBefore);
            eold = (EquationSet) compiled.getObject(keypath);
            keypath.set(keypath.size() - 1, nameAfter);
        }
        enew = (EquationSet) compiled.getObject(keypath);
        try {
            compiled.resolveConnectionBindings();
        } catch (Exception e) {
        }
        try {
            compiled.resolveLHS();
            compiled.resolveRHS();
        } catch (Exception e) {
        }
        ChangeVariable.prepareConnections(compiled);
        // Collect variables that might have changed.
        List<Variable> users = collectVariables(compiled, eold);
        if (eold.dependentConnections != null) {
            // The variable associated with such a connection binding could explicitly mention the part name.
            for (ConnectionBinding cb : eold.dependentConnections) users.add(cb.variable);
        }
        eold.name = enew.name;
        for (Variable v : users) {
            List<String> ref = v.getKeyPath();
            MNode n = doc.child(ref.toArray());
            String oldKey = n.key();
            String newKey = ChangeVariable.changeReferences(eold, n, v);
            if (// Handle a change in variable name.
            !newKey.equals(oldKey)) {
                NodeBase nb = pe.root.locateNodeFromHere(ref);
                n.parent().move(oldKey, newKey);
                ref.set(ref.size() - 1, newKey);
                nb.source = (MPart) doc.child(ref.toArray());
            }
            // Queue GUI updates for nodes other than the primary ones.
            if (v.container != enew && v.container != eold)
                references.add(ref);
        }
    } catch (Exception e) {
    }
    // Change pin links to this part.
    // Scan peer parts (which is the only place a pin link can be declared) and check for "bind" keys that reference nameBefore.
    // for updating GUI later
    Map<NodePart, List<String>> rebind = new HashMap<NodePart, List<String>>();
    Enumeration<?> siblings = parent.children();
    while (siblings.hasMoreElements()) {
        Object o = siblings.nextElement();
        if (!(o instanceof NodePart))
            continue;
        NodePart sibling = (NodePart) o;
        MNode pins;
        if (// because the old source is no longer attached to document
        sibling == nodeBefore)
            // because the old source is no longer attached to document
            pins = parent.source.child(nameAfter, "$metadata", "gui", "pin", "in");
        else
            pins = sibling.source.child("$metadata", "gui", "pin", "in");
        if (pins == null)
            continue;
        List<String> bound = null;
        for (MNode pin : pins) {
            if (pin.get("bind").equals(nameBefore)) {
                pin.set(nameAfter, "bind");
                // Also set the new name in collated pin data.
                sibling.pinIn.set(nameAfter, pin.key(), "bind");
                if (bound == null)
                    bound = new ArrayList<String>();
                bound.add(pin.key());
            }
        }
        if (bound != null)
            rebind.put(sibling, bound);
    }
    // Check parent for pin exports.
    MNode pins = parent.source.child("$metadata", "gui", "pin", "out");
    if (pins != null) {
        List<String> bound = null;
        for (MNode pin : pins) {
            if (pin.get("bind").equals(nameBefore)) {
                pin.set(nameAfter, "bind");
                if (bound == null)
                    bound = new ArrayList<String>();
                bound.add(pin.key());
            }
        }
        if (bound != null)
            rebind.put(parent, bound);
    }
    // Update GUI
    boolean graphParent = parent == pe.part;
    PanelEquationTree pet = graphParent ? null : parent.getTree();
    FilteredTreeModel model = null;
    if (pet != null)
        model = (FilteredTreeModel) pet.tree.getModel();
    // Only used if graphParent is true.
    PanelEquationGraph peg = pe.panelEquationGraph;
    // It's either a NodePart or it's null. Any other case should be blocked by GUI constraints.
    NodePart nodeAfter = (NodePart) parent.child(nameAfter);
    boolean addGraphNode = false;
    if (// Only one node will remain when we are done.
    oldPart == null) {
        pe.renameFocus(nodeBefore.getKeyPath(), nameAfter);
        if (// This is a simple rename, with no restructuring. Keep nodeBefore.
        nodeAfter == null) {
            nodeAfter = nodeBefore;
            nodeAfter.source = newPart;
            if (graphParent)
                peg.updatePart(nodeAfter);
        } else // Use existing nodeAfter, so get rid of nodeBefore.
        {
            if (model == null)
                FilteredTreeModel.removeNodeFromParentStatic(nodeBefore);
            else
                model.removeNodeFromParent(nodeBefore);
            if (graphParent)
                peg.removePart(nodeBefore, true);
        }
    } else // Need two nodes
    {
        if (// Need a node to hold the new part.
        nodeAfter == null) {
            int index = parent.getIndex(nodeBefore);
            nodeAfter = new NodePart(newPart);
            nodeAfter.hide = graphParent;
            if (model == null)
                FilteredTreeModel.insertNodeIntoUnfilteredStatic(nodeAfter, parent, index);
            else
                model.insertNodeIntoUnfiltered(nodeAfter, parent, index);
            addGraphNode = true;
        }
        nodeBefore.build();
        nodeBefore.findConnections();
        nodeBefore.rebuildPins();
        nodeBefore.filter();
        if (nodeBefore.visible()) {
            if (// Need to update entire model under fake root.
            graphParent) {
                PanelEquationTree subpet = nodeBefore.getTree();
                if (subpet != null) {
                    FilteredTreeModel submodel = (FilteredTreeModel) subpet.tree.getModel();
                    submodel.nodeStructureChanged(nodeBefore);
                    subpet.animate();
                }
            } else if (model != null) {
                model.nodeStructureChanged(nodeBefore);
            }
        } else {
            parent.hide(nodeBefore, model);
        }
    }
    nodeAfter.build();
    if (graphParent)
        parent.findConnections();
    else
        nodeAfter.findConnections();
    nodeAfter.rebuildPins();
    nodeAfter.filter();
    pe.resetBreadcrumbs();
    TreeNode[] nodePath = nodeAfter.getPath();
    Set<PanelEquationTree> needAnimate = new HashSet<PanelEquationTree>();
    if (pet == null) {
        PanelEquationTree.updateOrder(null, nodePath);
        PanelEquationTree.updateVisibility(null, nodePath, -2, false);
    } else {
        pet.updateOrder(nodePath);
        // Will include nodeStructureChanged(), if necessary.
        pet.updateVisibility(nodePath);
        needAnimate.add(pet);
    }
    for (List<String> ref : references) {
        NodeVariable n = (NodeVariable) pe.root.locateNodeFromHere(ref);
        if (n == null)
            continue;
        // Rebuild n, because equations and/or their conditions may have changed.
        n.build();
        n.findConnections();
        n.filter();
        if (// n's visibility won't change
        n.visible()) {
            PanelEquationTree subpet = n.getTree();
            if (subpet == null)
                continue;
            JTree subtree = subpet.tree;
            FilteredTreeModel submodel = (FilteredTreeModel) subtree.getModel();
            NodeBase subparent = (NodeBase) n.getParent();
            // Node will collapse if it was open. Don't worry about this.
            submodel.nodeStructureChanged(n);
            subparent.invalidateColumns(submodel);
            needAnimate.add(subpet);
        }
    }
    for (NodePart peer : rebind.keySet()) {
        PanelEquationTree subpet = peer.getTree();
        // also works for parent
        NodeBase metadata = peer.child("$metadata");
        for (String pinKey : rebind.get(peer)) {
            // Retrieve GUI metadata node so it can be updated to match DB.
            NodeBase nodeBind;
            if (peer == parent)
                nodeBind = (NodeAnnotation) AddAnnotation.findExact(metadata, false, "gui", "pin", "out", pinKey, "bind");
            else
                nodeBind = (NodeAnnotation) AddAnnotation.findExact(metadata, false, "gui", "pin", "in", pinKey, "bind");
            nodeBind.setUserObject();
            // Update display tree.
            if (subpet != null) {
                // For simplicity, look up subtree, submodel and subparent each time,
                // even though they could be done just once per peer part.
                JTree subtree = subpet.tree;
                FilteredTreeModel submodel = (FilteredTreeModel) subtree.getModel();
                NodeBase subparent = (NodeBase) nodeBind.getParent();
                submodel.nodeChanged(nodeBind);
                subparent.invalidateColumns(submodel);
                needAnimate.add(subpet);
            }
        }
    }
    for (PanelEquationTree ap : needAnimate) ap.animate();
    if (graphParent) {
        if (addGraphNode) {
            // builds tree
            peg.addPart(nodeAfter);
        } else {
            PanelEquationTree subpet = nodeAfter.getTree();
            if (subpet != null) {
                FilteredTreeModel submodel = (FilteredTreeModel) subpet.tree.getModel();
                submodel.nodeStructureChanged(nodeAfter);
                FocusCacheEntry fce = pe.createFocus(nodeAfter);
                if (fce.sp != null)
                    fce.sp.restore(subpet.tree, false);
                subpet.animate();
            }
        }
        nodeAfter.hide = false;
        nodeAfter.graph.takeFocusOnTitle();
        peg.updatePins();
        peg.reconnect();
        peg.repaint();
    }
}

Example 2 with PanelEquationGraph

use of gov.sandia.n2a.ui.eq.PanelEquationGraph in project n2a by frothga.

the class ChangeVariableToInherit method undo.

public void undo() {
    super.undo();
    NodePart parent = (NodePart) NodeBase.locateNode(path);
    if (parent == null)
        throw new CannotUndoException();
    NodePart grandparent = (NodePart) parent.getTrueParent();
    // Update the database
    MPart mparent = parent.source;
    mparent.clear("$inherit");
    String nameBefore = treeBefore.key();
    mparent.set(treeBefore, nameBefore);
    // Update the GUI
    PanelEquations pe = PanelModel.instance.panelEquations;
    PanelEquationTree pet = parent.getTree();
    FilteredTreeModel model = (FilteredTreeModel) pet.tree.getModel();
    PanelEquationGraph peg = pe.panelEquationGraph;
    parent.build();
    if (grandparent == null)
        parent.findConnections();
    else
        grandparent.findConnections();
    parent.rebuildPins();
    parent.filter();
    if (parent == pe.part) {
        peg.reloadPart();
        parent.filter();
    }
    model.nodeStructureChanged(parent);
    TreeNode[] nodePath = parent.child(nameBefore).getPath();
    pet.updateOrder(nodePath);
    pet.updateVisibility(nodePath);
    pet.animate();
    if (parent != pe.part) {
        peg.updatePins();
        peg.reconnect();
        peg.repaint();
    }
    if (// root node, so update categories in search list
    parent.getTrueParent() == null) {
        PanelModel.instance.panelSearch.search();
    }
}

Example 3 with PanelEquationGraph

use of gov.sandia.n2a.ui.eq.PanelEquationGraph in project n2a by frothga.

the class AddPart method destroy.

public static void destroy(List<String> path, boolean canceled, String name, boolean setSelected, boolean multiShared, boolean touchesPin) {
    // Retrieve created node
    NodePart parent = (NodePart) NodeBase.locateNode(path);
    if (parent == null)
        throw new CannotUndoException();
    NodePart createdNode = (NodePart) parent.child(name);
    PanelEquations pe = PanelModel.instance.panelEquations;
    boolean graphParent = parent == pe.part;
    // Only use tree if it is not the graph parent, since graph parent hides its sub-parts.
    PanelEquationTree pet = graphParent ? null : parent.getTree();
    FilteredTreeModel model = null;
    if (pet != null)
        model = (FilteredTreeModel) pet.tree.getModel();
    // only used if graphParent is true
    PanelEquationGraph peg = pe.panelEquationGraph;
    TreeNode[] createdPath = createdNode.getPath();
    // returns -1 if createdNode is filtered out of parent
    int index = parent.getIndexFiltered(createdNode);
    if (canceled)
        index--;
    MPart mparent = parent.source;
    mparent.clear(name);
    if (// Node is fully deleted
    mparent.child(name) == null) {
        pe.deleteFocus(createdNode);
        if (model == null)
            FilteredTreeModel.removeNodeFromParentStatic(createdNode);
        else
            model.removeNodeFromParent(createdNode);
        if (graphParent)
            peg.removePart(createdNode, setSelected && !multiShared);
        parent.findConnections();
        parent.updatePins();
    } else // Just exposed an overridden node
    {
        // Does not change the fake-root status of this node.
        createdNode.build();
        parent.findConnections();
        createdNode.rebuildPins();
        createdNode.filter();
        if (// Need to update entire model under fake root.
        graphParent) {
            PanelEquationTree subpet = createdNode.getTree();
            if (subpet != null) {
                FilteredTreeModel submodel = (FilteredTreeModel) subpet.tree.getModel();
                submodel.nodeStructureChanged(createdNode);
                subpet.animate();
            }
            // Implicitly, the title of the node was focused when the part was deleted, so ensure it gets the focus back.
            if (setSelected && !multiShared)
                createdNode.graph.takeFocusOnTitle();
        }
    }
    pe.resetBreadcrumbs();
    if (pet == null) {
        PanelEquationTree.updateOrder(null, createdPath);
        PanelEquationTree.updateVisibility(null, createdPath, index, false);
    } else {
        pet.updateOrder(createdPath);
        // includes nodeStructureChanged(), if necessary
        pet.updateVisibility(createdPath, index, setSelected);
        pet.animate();
    }
    if (graphParent || touchesPin) {
        peg.updatePins();
        peg.reconnect();
        peg.repaint();
    }
    if (graphParent) {
        if (pe.view == PanelEquations.NODE && peg.isEmpty())
            pe.panelParent.setOpen(true);
        if (setSelected && multiShared)
            pe.switchFocus(false, false);
    }
}

Example 4 with PanelEquationGraph

use of gov.sandia.n2a.ui.eq.PanelEquationGraph in project n2a by frothga.

the class AddPart method centerOf.

/**
 *        Determine the anchor position for a set of new parts.
 *        The main approach is to approximate the center of the viewport when the parent part is displayed.
 *        If that is not possible, the fallback is the average position of existing parts.
 *        If there are no existing parts, the position is set arbitrarily to (100,100). This gives a small
 *        margin from the edge for nice appearance, while not straying far from (0,0).
 */
public static Point centerOf(NodePart parent) {
    PanelEquations pe = PanelModel.instance.panelEquations;
    PanelEquationGraph peg = pe.panelEquationGraph;
    Dimension d = peg.getExtentSize();
    Point location = new Point(d.width / 2, d.height / 2);
    // Base on active viewport.
    if (parent == pe.part) {
        Point vp = peg.getViewPosition();
        Point offset = peg.getOffset();
        location.x += vp.x - offset.x;
        location.y += vp.y - offset.y;
        return location;
    }
    // Base on stored position of viewport.
    MNode boundsParent = parent.source.child("$metadata", "gui", "bounds", "parent");
    if (boundsParent != null) {
        location.x += boundsParent.getInt("x");
        location.y += boundsParent.getInt("y");
        return location;
    }
    // Base on average position of existing parts.
    Point center = new Point();
    int count = 0;
    Enumeration<?> children = parent.children();
    while (children.hasMoreElements()) {
        Object o = children.nextElement();
        if (!(o instanceof NodePart))
            continue;
        NodePart p = (NodePart) o;
        MNode bounds = p.source.child("$metadata", "gui", "bounds");
        if (bounds == null)
            continue;
        count++;
        center.x += bounds.getInt("x");
        center.y += bounds.getInt("y");
    }
    if (count == 1) {
        location.x = center.x + 100;
        location.y = center.y + 100;
    } else if (count > 1) {
        location.x = center.x / count;
        location.y = center.y / count;
    }
    return new Point(100, 100);
}

Example 5 with PanelEquationGraph

use of gov.sandia.n2a.ui.eq.PanelEquationGraph in project n2a by frothga.

the class AddInherit method create.

public static void create(List<String> path, String value) {
    NodePart parent = (NodePart) NodeBase.locateNode(path);
    if (parent == null)
        throw new CannotRedoException();
    NodePart grandparent = (NodePart) parent.getTrueParent();
    PanelEquations pe = PanelModel.instance.panelEquations;
    PanelEquationTree pet = parent.getTree();
    FilteredTreeModel model = (FilteredTreeModel) pet.tree.getModel();
    PanelEquationGraph peg = pe.panelEquationGraph;
    parent.source.set(value, "$inherit");
    parent.build();
    if (grandparent == null)
        parent.findConnections();
    else
        grandparent.findConnections();
    parent.rebuildPins();
    parent.filter();
    if (parent == pe.part) {
        peg.reloadPart();
        parent.filter();
    }
    // Since $inherit is being added, parent will almost certainly become visible, if it's not already.
    model.nodeStructureChanged(parent);
    TreeNode[] createdPath = parent.child("$inherit").getPath();
    pet.updateOrder(createdPath);
    pet.updateVisibility(createdPath);
    pet.animate();
    if (parent != pe.part) {
        peg.updatePins();
        peg.reconnect();
        peg.repaint();
    }
    if (// root node, so update categories in search list
    parent.getTrueParent() == null) {
        PanelModel.instance.panelSearch.search();
    }
}