Examples with LayerThing ini.trakem2.tree.LayerThing used on opensource projects

Example 1 with LayerThing

use of ini.trakem2.tree.LayerThing in project TrakEM2 by trakem2.

the class DBLoader method unpackLayers.

/**
 * Recursive. Place all Layer (but not LayerSet) objects with a key as Long(id).
 */
private void unpackLayers(LayerThing root, HashMap hs) {
    Object ob = root.getObject();
    if (ob instanceof Layer)
        hs.put(new Long(((DBObject) ob).getId()), ob);
    if (null == root.getChildren())
        return;
    Iterator it = root.getChildren().iterator();
    while (it.hasNext()) {
        LayerThing child = (LayerThing) it.next();
        unpackLayers(child, hs);
    }
}

Example 2 with LayerThing

use of ini.trakem2.tree.LayerThing in project TrakEM2 by trakem2.

the class DBLoader method getLayerThing.

private LayerThing getLayerThing(ResultSet r, Project project, HashMap hs_pt, TemplateThing layer_set_tt, TemplateThing layer_tt) throws Exception {
    long id = r.getLong("id");
    String type = r.getString("type");
    // if not a "Layer", then it's a "Layer Set"
    TemplateThing template = type.equals("layer_set") ? layer_set_tt : layer_tt;
    // HERE the order of the arguments layer_set_tt and layer_tt was inverted, and it worked??? There was a compensating bug, incredibly enough, in the type.equals(.. above.
    return new LayerThing(template, project, id, r.getString("title"), getLayerThingObject(project, r.getLong("object_id"), template, hs_pt), getChildrenLayerThing(project, id, hs_pt, layer_set_tt, layer_tt));
}

Example 3 with LayerThing

use of ini.trakem2.tree.LayerThing in project TrakEM2 by trakem2.

the class DBLoader method getRootLayerThing.

/**
 * Fetches the root LayerSet, fills it with children (recursively) and uses the profiles, pipes, etc., from the project_thing. Will reconnect the links and open Displays for the layers that have one.
 */
public LayerThing getRootLayerThing(Project project, ProjectThing project_thing, TemplateThing layer_set_tt, TemplateThing layer_tt) {
    synchronized (db_lock) {
        // connect if disconnected
        if (!connectToDatabase()) {
            return null;
        }
        HashMap hs_pt = new HashMap();
        unpack(project_thing, hs_pt);
        LayerThing root = null;
        try {
            // -1 signals root
            ResultSet r = connection.prepareStatement("SELECT * FROM ab_things WHERE project_id=" + project.getId() + " AND type='layer_set' AND parent_id=-1").executeQuery();
            if (r.next()) {
                root = getLayerThing(r, project, hs_pt, layer_set_tt, layer_tt);
            }
            r.close();
            if (null == root) {
                Utils.log("Loader.getRootLayerThing: can't find it for project id=" + project.getId());
                return null;
            }
            // Redo the links! hs_pt contains now all Displayable objects.
            ResultSet rl = connection.prepareStatement("SELECT * FROM ab_links WHERE project_id=" + project.getId()).executeQuery();
            while (rl.next()) {
                Long id1 = new Long(rl.getLong("id1"));
                Long id2 = new Long(rl.getLong("id2"));
                Object ob1 = hs_pt.get(id1);
                Object ob2 = hs_pt.get(id2);
                if (null != ob1 && null != ob2) {
                    Displayable d = (Displayable) ob1;
                    d.link((Displayable) ob2, false);
                } else {
                    Utils.log("Loader: broken link between " + id1 + " and " + id2);
                }
            }
            rl.close();
        } catch (Exception e) {
            IJError.print(e);
            return null;
        }
        return root;
    }
}

Example 4 with LayerThing

use of ini.trakem2.tree.LayerThing in project TrakEM2 by trakem2.

the class Layer method setZ.

public void setZ(final double z) {
    if (Double.isNaN(z) || z == this.z)
        return;
    this.z = z;
    if (null != parent) {
        parent.reposition(this);
        // fix ordering in the trees (must be done after repositioning in the parent)
        final LayerThing lt = project.findLayerThing(this);
        if (null != lt) {
            final LayerThing p = (LayerThing) lt.getParent();
            if (null != p) {
                // does not affect the database
                p.removeChild(lt);
                // idem
                p.addChild(lt);
            }
        }
    }
    updateInDatabase("z");
}

Example 5 with LayerThing

use of ini.trakem2.tree.LayerThing in project TrakEM2 by trakem2.

the class TMLHandler method getProjectData.

/**
 * returns 4 objects packed in an array:
 *	 <pre>
 *	 [0] = root TemplateThing
 *	 [1] = root ProjectThing (contains Project instance)
 *	 [2] = root LayerThing (contains the top-level LayerSet)
 *	 [3] = expanded states of all ProjectThing objects
 *	 </pre>
 * <p>
 * Also, triggers the reconstruction of links and assignment of Displayable objects to their layer.
 * </p>
 */
public Object[] getProjectData(final boolean open_displays) {
    if (null == project)
        return null;
    this.open_displays = open_displays;
    // Links exist between Displayable objects.
    for (final Displayable d : ht_displayables.values()) {
        String olinks = ht_links.get(d);
        // not linked
        if (null == olinks)
            continue;
        String[] links = olinks.split(",");
        Long lid = null;
        for (int i = 0; i < links.length; i++) {
            try {
                lid = new Long(links[i]);
            } catch (NumberFormatException nfe) {
                Utils.log2("Ignoring incorrectly formated link '" + links[i] + "' for ob " + d);
                continue;
            }
            Displayable partner = ht_displayables.get(lid);
            if (null != partner)
                d.link(partner, false);
            else
                Utils.log("TMLHandler: can't find partner with id=" + links[i] + " for Displayable with id=" + d.getId());
        }
    }
    // 1.2 - Reconstruct linked properties
    for (final Map.Entry<Displayable, Map<Long, Map<String, String>>> lpe : all_linked_props.entrySet()) {
        final Displayable origin = lpe.getKey();
        for (final Map.Entry<Long, Map<String, String>> e : lpe.getValue().entrySet()) {
            final Displayable target = ht_displayables.get(e.getKey());
            if (null == target) {
                Utils.log("Setting linked properties for origin " + origin.getId() + ":\n\t* Could not find target displayable #" + e.getKey());
                continue;
            }
            origin.setLinkedProperties(target, e.getValue());
        }
    }
    // 2 - Add Displayable objects to ProjectThing that can contain them
    for (final Map.Entry<Long, ProjectThing> entry : ht_oid_pt.entrySet()) {
        ProjectThing pt = entry.getValue();
        Object od = ht_displayables.remove(entry.getKey());
        // Utils.log("==== processing: Displayable [" + od + "]  vs. ProjectThing [" + pt + "]");
        if (null != od) {
            pt.setObject(od);
        } else {
            Utils.log("#### Failed to find a Displayable for ProjectThing " + pt + " #####");
        }
    }
    // 3 - Assign a layer pointer to ZDisplayable objects
    for (final ZDisplayable zd : ht_zdispl.values()) {
        // zd.setLayer((Layer)zd.getLayerSet().getLayers().get(0));
        zd.setLayer(zd.getLayerSet().getLayer(0));
    }
    // 4 - Assign layers to Treeline nodes
    for (final Layer la : al_layers) {
        final List<Node<?>> list = node_layer_table.remove(la.getId());
        if (null == list)
            continue;
        for (final Node<?> nd : list) nd.setLayer(la);
    }
    if (!node_layer_table.isEmpty()) {
        Utils.log("ERROR: node_layer_table is not empty!");
    }
    // 5 - Assign root nodes to Treelines, now that all nodes have a layer
    for (final Map.Entry<Tree<?>, Node<?>> e : tree_root_nodes.entrySet()) {
        if (null == e.getValue()) {
            // Utils.log2("Ignoring, applies to new Treeline format only.");
            continue;
        }
        // Can't compile with <?>
        // will generate node caches of each Treeline
        e.getKey().setRoot((Node) e.getValue());
    }
    tree_root_nodes.clear();
    // Assign colors to nodes
    for (final Map.Entry<Color, Collection<Node<?>>> e : node_colors.entrySet()) {
        for (final Node<?> nd : e.getValue()) {
            nd.setColor(e.getKey());
        }
    }
    node_colors.clear();
    // 6 - Run legacy operations
    for (final Runnable r : legacy) {
        r.run();
    }
    try {
        // Create a table with all layer ids vs layer instances:
        final HashMap<Long, Layer> ht_lids = new HashMap<Long, Layer>();
        for (final Layer layer : al_layers) {
            ht_lids.put(new Long(layer.getId()), layer);
        }
        // Spawn threads to recreate buckets, starting from the subset of displays to open
        int n = Runtime.getRuntime().availableProcessors();
        switch(n) {
            case 1:
                break;
            case 2:
            case 3:
            case 4:
                n--;
                break;
            default:
                n -= 2;
                break;
        }
        final ExecutorService exec = Utils.newFixedThreadPool(n, "TMLHandler-recreateBuckets");
        final Set<Long> dlids = new HashSet<Long>();
        final LayerSet layer_set = (LayerSet) root_lt.getObject();
        final List<Future<?>> fus = new ArrayList<Future<?>>();
        final List<Future<?>> fus2 = new ArrayList<Future<?>>();
        for (final HashMap<String, String> ht_attributes : al_displays) {
            String ob = ht_attributes.get("layer_id");
            if (null == ob)
                continue;
            final Long lid = new Long(ob);
            dlids.add(lid);
            final Layer la = ht_lids.get(lid);
            if (null == la) {
                ht_lids.remove(lid);
                continue;
            }
            // to open later:
            new Display(project, Long.parseLong(ht_attributes.get("id")), la, ht_attributes);
            fus.add(exec.submit(new Runnable() {

                public void run() {
                    la.recreateBuckets();
                }
            }));
        }
        fus.add(exec.submit(new Runnable() {

            public void run() {
                // only for ZDisplayable
                layer_set.recreateBuckets(false);
            }
        }));
        // Ensure launching:
        if (dlids.isEmpty() && layer_set.size() > 0) {
            dlids.add(layer_set.getLayer(0).getId());
        }
        final List<Layer> layers = layer_set.getLayers();
        for (final Long lid : new HashSet<Long>(dlids)) {
            fus.add(exec.submit(new Runnable() {

                public void run() {
                    int start = layer_set.indexOf(layer_set.getLayer(lid.longValue()));
                    int next = start + 1;
                    int prev = start - 1;
                    while (next < layer_set.size() || prev > -1) {
                        if (prev > -1) {
                            final Layer lprev = layers.get(prev);
                            synchronized (dlids) {
                                if (dlids.add(lprev.getId())) {
                                    // returns true if not there already
                                    fus2.add(exec.submit(new Runnable() {

                                        public void run() {
                                            lprev.recreateBuckets();
                                        }
                                    }));
                                }
                            }
                            prev--;
                        }
                        if (next < layers.size()) {
                            final Layer lnext = layers.get(next);
                            synchronized (dlids) {
                                if (dlids.add(lnext.getId())) {
                                    // returns true if not there already
                                    fus2.add(exec.submit(new Runnable() {

                                        public void run() {
                                            lnext.recreateBuckets();
                                        }
                                    }));
                                }
                            }
                            next++;
                        }
                    }
                    Utils.log2("done recreateBuckets chunk");
                }
            }));
        }
        Utils.wait(fus);
        exec.submit(new Runnable() {

            public void run() {
                Utils.log2("waiting for TMLHandler fus...");
                Utils.wait(fus2);
                Utils.log2("done waiting TMLHandler fus.");
                exec.shutdown();
            }
        });
    } catch (Throwable t) {
        IJError.print(t);
    }
    return new Object[] { root_tt, root_pt, root_lt, ht_pt_expanded };
}