/**
* 通过ds来对应field
*
* @param ds
* @return
*/
private Map<String, Integer> getIndexMap(Dataset ds) {
Map<String, Integer> indexMap = new HashMap<String, Integer>();
int count = ds.getFieldSet().getFieldCount();
for (int i = 0; i < count; i++) {
Field field = ds.getFieldSet().getField(i);
String key = field.getId();
indexMap.put(key, i);
}
return indexMap;
}
public Dataset createDataset() {
Dataset ds = new Dataset();
ds.setId(Angular_Dataset_Name);
ds.setLazyLoad(true);
Field field = new Field();
field.setId(Angular_Column_Type);
field.setText("参数名称");
ds.getFieldSet().addField(field);
field = new Field();
field.setId(Angular_Column_Start);
field.setText("开始参数");
ds.getFieldSet().addField(field);
field = new Field();
field.setId(Angular_Column_End);
field.setText("结束参数");
ds.getFieldSet().addField(field);
field = new Field();
field.setId(Angular_Column_Color);
field.setText("颜色");
ds.getFieldSet().addField(field);
return ds;
}
private String aggregateSql(Dataset ds, FieldRelation rel) {
if (ds.getCurrentKey() == null) return null;
Dataset refDs = ds.getWidget().getViewModels().getDataset(rel.getRefDataset());
if (refDs == null) {
Logger.error("ref ds can not be fount:" + rel.getRefDataset());
return null;
}
if (rel.getWhereField() == null) return null;
MatchField[] mfs = rel.getMatchFields();
WhereField where = rel.getWhereField();
StringBuffer sql = new StringBuffer();
sql.append("select ");
for (int i = 0; i < mfs.length; i++) {
Field f = refDs.getFieldSet().getField(mfs[i].getReadField());
if (f == null)
throw new LfwRuntimeException(
"can not find field in ds:"
+ rel.getRefDataset()
+ ",field:"
+ mfs[i].getReadField()
+ ", in fieldrelation process");
sql.append("a.").append(f.getField());
if (i != mfs.length - 1) sql.append(",");
}
sql.append(",a.").append(refDs.getFieldSet().getField(where.getKey()).getField());
sql.append(" from ");
sql.append(getRefTableName(refDs));
sql.append(" a where a.")
.append(refDs.getFieldSet().getField(where.getKey()).getField())
.append(" in (");
RowData rowSet = ds.getCurrentRowSet().getCurrentRowData();
Set<String> inSet = new HashSet<String>();
if (rowSet != null) {
Row[] rows = rowSet.getRows();
int whereIndex = ds.nameToIndex(where.getValue());
if (whereIndex == -1) return null;
for (int i = 0; i < rows.length; i++) {
if (rows[i] instanceof EmptyRow) continue;
Object wValue = rows[i].getValue(whereIndex);
String wValueStr = "";
if (wValue != null) {
wValueStr = wValue.toString();
String[] strs = wValueStr.split(",");
for (int j = 0; j < strs.length; j++) {
inSet.add(strs[j]);
}
}
}
}
if (inSet.size() == 0) return null;
Iterator<String> it = inSet.iterator();
while (it.hasNext()) {
String value = it.next();
sql.append("'");
sql.append(value);
sql.append("'");
if (it.hasNext()) sql.append(",");
}
sql.append(")");
return sql.toString();
}
private void processFormular(Dataset ds) {
RowData rd = ds.getCurrentRowData();
if (rd == null) return;
int rcount = rd.getRowCount();
List<String> executedFpList = new ArrayList<String>();
int fieldCount = ds.getFieldSet().getFieldCount();
for (int i = 0; i < fieldCount; i++) {
try {
Field field = ds.getFieldSet().getField(i);
List<String> fieldFormulars = new ArrayList<String>();
String formular = field.getEditFormular();
if (formular != null) fieldFormulars.add(formular);
formular = field.getLoadFormular();
if (formular != null) fieldFormulars.add(formular);
Iterator<String> fit = fieldFormulars.iterator();
while (fit.hasNext()) {
formular = fit.next();
String exp = null;
if (formular != null) exp = JsURLDecoder.decode(formular, "UTF-8");
// 如果没有加载公式，继续下一个字段
if (exp == null) continue;
if (executedFpList.contains(exp)) continue;
executedFpList.add(exp);
String[] expArr = exp.split(";");
fp.setExpressArray(expArr);
VarryVO[] varryVOs = fp.getVarryArray();
if (varryVOs == null || varryVOs.length == 0) continue;
String[] formularNames = new String[varryVOs.length];
Map<String, Integer> indexMap = getIndexMap(ds);
for (int j = 0; j < varryVOs.length; j++) {
String[] keys = varryVOs[j].getVarry();
if (keys != null) {
for (String key : keys) {
List<Object> valueList = new ArrayList<Object>();
for (int k = 0; k < rcount; k++) {
Row r = rd.getRow(k);
//
Object value = r.getValue(indexMap.get(key));
Field f = ds.getFieldSet().getField(key);
if (f != null && value != null) {
// //如果是Double类型，进行一下转换
if (StringDataTypeConst.UFDOUBLE.equals(f.getDataType())
|| StringDataTypeConst.DOUBLE.equals(f.getDataType())
|| StringDataTypeConst.Decimal.equals(f.getDataType())) {
if (!(value instanceof UFDouble)) value = new UFDouble(value.toString());
} else if (StringDataTypeConst.INTEGER.equals(f.getDataType())) {
if (!(value instanceof Integer)) value = new Integer((String) value);
}
}
valueList.add(value);
}
fp.addVariable(key, valueList);
}
formularNames[j] = varryVOs[j].getFormulaName();
}
}
Object[][] result = fp.getValueOArray();
if (result != null) {
for (int l = 0; l < formularNames.length; l++) {
int index = ds.nameToIndex(formularNames[l]);
if (index == -1) {
LfwLogger.error(
"can not find column:" + formularNames[l] + ", ds id:" + ds.getId());
continue;
}
for (int k = 0; k < rcount; k++) {
Row r = rd.getRow(k);
r.setValue(index, result[l][k]);
}
}
}
}
} catch (Throwable e) {
Logger.error(e.getMessage(), e);
}
}
}
