/*
* Sets an expression for the description of the field being looked up
*/
public void setDescriptionExpression(DataStoreBuffer ds, String exp) throws DataStoreException {
int index = ds.getColumnIndex(exp);
if (!_editDescription) {
_descriptionEval = new DataStoreEvaluator(ds, exp);
if (index != -1) _descriptionColumn = index;
_showDescription = true;
_descDs = ds;
} else if (index != -1) getEditField().setColumn(ds, index);
}
/**
* LookUp constructor.
*
* @param name - name of component
* @param lookup_page - the page that will provide the lookup values
* @param browseImage - the browse image to use. default is a magnifying glass
* @param ds - DataStore that is being used with this component
* @param tableName - table name to bind to
* @param columnName - column name to bind to
* @param dataType - data type of the main edit field ( use DataStore.DATATYPE_*)
* @param pKey - flag that signifies if the column is a primary key column
* @param p - page the component will be associated with
*/
public HtmlLookUpComponent(
String name,
String lookup_page,
String browseImage,
DataStore ds,
String tableName,
String columnName,
int dataType,
boolean pKey,
HtmlPage p) {
super(name, p);
_hiddenDescriptionHandle = new HtmlHiddenField("hiddenDescr", null, p);
addCompositeComponent(_hiddenDescriptionHandle, DataStore.DATATYPE_STRING, false, null, null);
_hiddenKeyHandle = new HtmlHiddenField("hiddenKey", null, p);
addCompositeComponent(_hiddenKeyHandle, DataStore.DATATYPE_STRING, false, null, null);
_hiddenKeyHandle.setVisible(false);
setTheme(null);
p.addPageListener(this);
HtmlTextEdit edit = null;
if (ds == null) {
edit = new HtmlTextEdit("_edit", p);
_editHandle = addCompositeComponent(edit, dataType, false, null, null);
} else {
_ds = ds;
/** Don't add the same column twice to the data store. */
if (_ds.getColumnIndex(tableName + "." + columnName) == -1) {
if (_ds instanceof DataStore)
((DataStore) _ds).addColumn(tableName, columnName, dataType, pKey, true);
}
edit = new HtmlTextEdit(tableName + "_" + columnName, p);
edit.setColumn(_ds, tableName + "." + columnName);
_editHandle = addCompositeComponent(edit, dataType, true, tableName, columnName);
}
_browseImage = new HtmlSubmitImage("browseImage", browseImage, p);
_browseImage.addSubmitListener(this);
_browseImageHandle = addCompositeComponent(_browseImage, DATATYPE_ANY, false, null, null);
_browsePopupImage = new HtmlImage("browsPopupImage", browseImage, p);
_browsePopupImageLink = new HtmlLink("browsePopupImageLink", null, p);
_browsePopupImageLink.add(_browsePopupImage);
_browseImageHandle =
addCompositeComponent(_browsePopupImageLink, DATATYPE_ANY, false, null, null);
_browsePopupImageLink.setVisible(false);
setLookUpPageURL(lookup_page);
setDescriptionFont(null);
}