/**
* 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();
}
}
}
}
/**
* Given the shapefile record number, find the drawing parameters from the DBF model that should
* be used for the shape. Returns the default coloring if the key for the drawing parameters isn't
* found.
*
* @param recordNumber the zero-based record number from the OMGraphicList
*/
public DrawingAttributes getDrawParamsFromDBF(int recordNumber) {
if (dbfModel == null) {
return drawingAttributes;
}
if (dbfModel == null || dbfModel.getRowCount() < recordNumber) {
if (Debug.debugging("areas")) {
Debug.output("AreaHandler.getDrawParameters: record " + recordNumber + " has no info");
}
return drawingAttributes;
}
Object keyObj = dbfModel.getValueAt(recordNumber, keyIndex);
String key = null;
PoliticalArea pa = null;
if (keyObj != null) {
key = createStringFromKeyObject(keyObj);
pa = (PoliticalArea) politicalAreas.get(key);
}
if (pa == null) {
if (Debug.debugging("areas")) {
Debug.output(
"AreaHandler.getDrawParameters: record "
+ recordNumber
+ " has key \""
+ key
+ "\" and DEFAULT attributes");
}
return drawingAttributes;
} else {
// Only bother with this the first time around.
if (pa.name == null) {
// String name = (String) info.elementAt(nameIndex);
String name = (String) dbfModel.getValueAt(recordNumber, nameIndex);
if (name != null) {
pa.name = name;
} else {
pa.name = "";
}
}
if (Debug.debugging("areas")) {
Debug.output(
"AreaHandler.getDrawParameters: record "
+ recordNumber
+ " has key \""
+ key
+ "\" and SPECIALIZED attributes");
}
return pa.drawingAttributes;
}
}
/**
* Get the name of the object at the index of the list. This is a zero-based index. Remember, the
* record number out of the shape file is one-based. The index stored in the OMGraphic attribute
* created from the shape files is zero-based to help with lookups.
*
* @param integer a zero-based index.
* @return an empty string if something goes wrong, or the name as a String.
*/
public String getName(Integer integer) {
try {
if (infoFile != null) {
Vector vector = infoFile.getRecord(integer.intValue());
if (vector != null) {
return (String) vector.elementAt(nameIndex);
}
} else if (dbfModel != null) {
Object obj = dbfModel.getValueAt(integer.intValue(), nameIndex);
if (obj != null) {
if (obj instanceof String) {
return (String) obj;
} else {
return obj.toString();
}
}
}
} catch (ClassCastException cce) {
}
return "";
}
