/**
* This function takes an OMGraphicList and loads each one with the array representing the records
* in the dbf file. Each graphics stores the graphic in its object slot.
*/
public void loadDbfModelIntoGraphics(OMGraphicList list) {
if (list != null && dbfModel.getRowCount() > 0) {
int numgraphics = list.size();
for (int i = 0; i < numgraphics; i++) {
try {
OMGraphic omg = list.getOMGraphicAt(i);
Integer recnum = (Integer) (omg.getAttribute(ShapeConstants.SHAPE_INDEX_ATTRIBUTE));
// OFF BY ONE!!! The shape record numbers
// assigned to the records start with 0, while
// everything else we do starts with 0. The DbfTableModel
// follows java convention and starts at 0. The integer
// stored in the OMG should know it too.
Object inforec = dbfModel.getRecord(recnum.intValue());
omg.putAttribute(ShapeConstants.SHAPE_DBF_INFO_ATTRIBUTE, inforec);
} catch (ClassCastException cce) {
if (Debug.debugging("shape")) {
cce.printStackTrace();
}
} catch (NullPointerException npe) {
npe.printStackTrace();
}
}
}
}
/**
* DeterminePoliticalAreas goes over a list of omgraphics, and spits out a hashtable that holds
* PoliticalArea objects for every area key. When an ID is found in the graphics, it is checked in
* the hashtable for like graphics, and added to that PoliticalArea if found. If not found, a new
* PoliticalArea is created and placed in the Hashtable. This will duplicate graphics if you call
* it more than once for the same graphic list.
*
* @param graphicList the list of graphics. The top level graphic entries on the list represent
* areas.
*/
public Hashtable determinePoliticalAreas(OMGraphicList graphicList, Hashtable poli_areas) {
// Simple case. No graphics means an empty list of regions.
String name = null;
String key = null;
if (graphicList != null) {
int size = graphicList.size();
for (int i = 0; i < size; i++) {
OMGraphic graphic = graphicList.getOMGraphicAt(i);
// below should be a vector like [ "Massachusetts",
// "MA" ];
Object obj = graphic.getAttribute(ShapeConstants.SHAPE_DBF_INFO_ATTRIBUTE);
if (obj == null) {
if (Debug.debugging("areas")) {
Debug.error("AreaHandler: No attributes for graphic #" + i);
}
continue;
}
if (obj instanceof Vector) {
Vector pair = (Vector) obj;
name = (String) pair.elementAt(nameIndex);
key = ((String) pair.elementAt(keyIndex)).toUpperCase().intern();
if (Debug.debugging("areas")) {
Debug.output("AreaHandler: looking at " + name + ", " + key);
}
} else if (obj instanceof String) {
// Assume that the key is stored here, I guess.
key = (String) obj;
if (Debug.debugging("areas")) {
Debug.output("AreaHandler: String app object, looking at " + key);
}
} else {
if (Debug.debugging("areas")) {
Debug.output("AreaHandler: Unidentified app object type " + obj);
}
}
// Get the political area object for this keyiation.
PoliticalArea area = (PoliticalArea) poli_areas.get(key);
if (area == null) { // key is not in table
area = new PoliticalArea(name, key);
poli_areas.put(key, area); // add it to the table
// AreaDrawParams adp =
// (AreaDrawParams)drawingParams.get(key);
// if (adp != null) {
// area.setDrawingAttributes(adp.drawingAttributes);
// }
}
// Add the graphic to the list for this political
// area.
area.addGraphic(graphic);
}
if (Debug.debugging("areas")) {
Debug.output(
"AreaHandler: Finished determinePoliticalAreas: "
+ poli_areas.size()
+ " areas defined.");
}
}
return poli_areas;
}