Examples of com.bbn.openmap.omGraphics.OMGraphicList

com.bbn.openmap.omGraphics.OMGraphicList
This class encapsulates a List of OMGraphics.
There are several things that this list does that make it better that any ol' List. You can make several common OMGraphic modification calls on the list, and the list handles the iteration and changing of all the graphics while taking into account a travese order.
An additional benefit is that because the OMGraphicList extends OMGraphic it can contain other instances of OMGraphicList. This way you can manage groupings of graphics, (for instance, an OMGraphicList of OMGraphicLists which each have an OMRaster and OMText).
Many methods, such as generate() and findClosest() traverse the items in the GraphicsList recursively. The direction that the list is traversed is controlled by then traverseMode variable. The traverseMode mode lets you set whether the first or last object added to the list (FIRST_ADDED_ON_TOP or LAST_ADDED_ON_TOP) is drawn on top of the list and considered first for searches.

        float ulLat = ul.getLatitude();
        float ulLon = ul.getLongitude();
        float lrLat = lr.getLatitude();
        float lrLon = lr.getLongitude();


        OMGraphicList list = areas.getGraphics(ulLat,
                ulLon,
                lrLat,
                lrLon,
                getProjection());
        return list;

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            if (!(currentEditable instanceof EditableOMGraphicList)) {
                if (DEBUG) {
                    Debug.output("OMDrawingTool.select:  already working on OMGraphic, creating an EditableOMGraphicList for selection mode");
                }


                EditableOMGraphicList eomgl = new EditableOMGraphicList(new OMGraphicList());
                eomgl.setProjection(getProjection());
                DrawingToolRequestorList rl = new DrawingToolRequestorList();
                // Add what's current to the requestor list
                rl.add(currentEditable.getGraphic(), requestor);
                // then add the current editable to the eomgl

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     * @param p projection of the screen, holding scale, center coords, height,
     *        width.
     */
    public OMGraphicList getRectangle(Projection p) {


        OMGraphicList list = (OMGraphicList) getList();
        list.clear();


        if (DEBUG) {
            Debug.output("CSVTIPI: getRectangle");
        }


        if (tilefile == null) {
            loadTiles(tileFileName);
        }


        // doesn't matter if loadDataFile fails or not, the iterator
        // will be empty if it is.


        // Now, add the tiles that are on the screen.
        Iterator it = tiles.iterator();
        while (it.hasNext()) {


            OMScalingRaster tile = (OMScalingRaster) it.next();


            if (tile.isOnMap(p)) {
                if (DEBUG) {
                    Debug.output("CSVTIPI: image on map");
                }
                tile.generate(p);
                list.add(tile);
            } else if (DEBUG) {
                Debug.output("CSVTIPI: image not on map, skipping");
            }
        }
        repaint();

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        if (proj == null) {
            Debug.output("MysqlGeometryLayer.prepare: null projection!");
            return null;
        }


        OMGraphicList graphics = new OMGraphicList();


        try {


            Class.forName(dbClass).newInstance();
            try {
                conn = DriverManager.getConnection(dbUrl);
            } catch (Exception ex) {
                ex.printStackTrace();
            }


            stmt = conn.createStatement();


            String q = "SELECT ID, AsText(" + geomColumn + ") FROM "
                    + geomTable
                    + " WHERE MBRIntersects(GEO, GeomFromText('Polygon(( "
                    + getProjection().getUpperLeft().getLongitude() + " "
                    + getProjection().getUpperLeft().getLatitude() + ", "
                    + getProjection().getUpperLeft().getLongitude() + " "
                    + getProjection().getLowerRight().getLatitude() + ", "
                    + getProjection().getLowerRight().getLongitude() + " "
                    + getProjection().getLowerRight().getLatitude() + ", "
                    + getProjection().getLowerRight().getLongitude() + " "
                    + getProjection().getUpperLeft().getLatitude() + ", "
                    + getProjection().getUpperLeft().getLongitude() + " "
                    + getProjection().getUpperLeft().getLatitude() + "))'))";


            if (Debug.debugging("mysql")) {
                Debug.output("MysqlGeometryLayer query: " + q);
            }


            stmt.executeQuery(q);
            rs = stmt.getResultSet();
            graphics.clear();


            while (rs.next()) {


                String result = rs.getString(2);


                if (Debug.debugging("mysql")) {
                    Debug.output("MysqlGeometryLayer result: " + result);
                }


                MysqlGeometry mg = MysqlWKTGeometryFactory.createGeometry(result);
                OMGraphic omg = createGraphic(mg);
                omg.generate(proj);
                graphics.add(omg);
            }


            rs.close();
            conn.close();

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        Vector v = myPoly.getRings();
        int size = v.size();


        OMGraphic ret = null;
        OMPoly ompoly = null;
        OMGraphicList subList = null;


        if (size > 1) {
            subList = new OMGraphicList();
            ret = subList;
        }


        for (int i = 0; i < size; i++) {
            ompoly = new OMPoly(DoubleToFloat((double[]) v.elementAt(i)), OMGraphic.DECIMAL_DEGREES, OMGraphic.LINETYPE_STRAIGHT);


            drawingAttributes.setTo(ompoly);


            if (subList != null) {
                subList.add(ompoly);
            } else {
                ret = ompoly;
            }
        }

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                    || type.equals(MysqlGeometry.MULTILINESTRINGTYPE)
                    || type.equals(MysqlGeometry.MULTIPOLYGONTYPE)
                    || type.equals(MysqlGeometry.GEOMETRYCOLLECTIONTYPE)) {


                MysqlMulti multi = (MysqlMulti) mg;
                OMGraphicList subList = new OMGraphicList();
                for (int i = 0; i < multi.countElements(); i++) {
                    OMGraphic subRet = null;
                    if (type.equals(MysqlGeometry.MULTIPOINTTYPE)) {
                        subRet = createPoint((MysqlPoint) multi.getElementByIndex(i));
                    } else if (type.equals(MysqlGeometry.MULTILINESTRINGTYPE)) {
                        subRet = createLine((MysqlLine) multi.getElementByIndex(i));
                    } else if (type.equals(MysqlGeometry.MULTIPOLYGONTYPE)) {
                        subRet = createPolygon((MysqlPolygon) multi.getElementByIndex(i));
                    } else if (type.equals(MysqlGeometry.GEOMETRYCOLLECTIONTYPE)) {
                        subRet = createGraphic((MysqlGeometry) multi.getElementByIndex(i));
                    }


                    if (subRet != null) {
                        subList.add(subRet);
                    }
                }
                ret = subList;
            } else {
                // Other types of geometry

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        /*
         * By creating a new list, we avoid
         * ConcurrentModificationExceptions within the PlugInLayer,
         * and within the GraphicLoaderPlugIn during generate().
         */
        omList = new OMGraphicList();


        if (nodeList != null) {
            Enumeration list = nodeList.elements();


            while ((list != null) && list.hasMoreElements()) {

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                + (direction * (int) (rPrime * Math.sin(inverseSlope)));


        if (Debug.debugging("arc")) {


            Debug.output("ArcCalc.generateArc: creating supplimental graphics list");
            arcGraphics = new OMGraphicList();


            double dist1 = Math.sqrt(Math.pow((double) (arcCenter.x - x1), 2.0)
                    + Math.pow((double) (arcCenter.y - y1), 2.0));
            double dist2 = Math.sqrt(Math.pow((double) (arcCenter.x - x2), 2.0)
                    + Math.pow((double) (arcCenter.y - y2), 2.0));

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        }
    }


    public OMGraphicList getArcGraphics() {
        if (arcGraphics == null) {
            return new OMGraphicList();
        } else {
            return arcGraphics;
        }
    }

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                        infoFile.loadData(true);
                    }
                }
            }
        } catch (java.net.MalformedURLException murle) {
            omgraphics = new OMGraphicList();
        } catch (java.io.IOException ioe) {
            omgraphics = new OMGraphicList();
        } catch (Exception exc) {
            omgraphics = new OMGraphicList();
        }


        // This is handled properly yet. The PoliticalArea should be
        // updated to handle URLs for area points, and have different
        // icons for different areas.

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