org.joty.workstation.gui.GridBuffer Maven / Gradle / Ivy
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/*
Copyright (c) 2013-2015, Stefano Pizzocaro. All rights reserved. Use is subject to license terms.
This file is part of Joty 2.0 Workstation.
Joty 2.0 Workstation is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Joty 2.0 Workstation is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with Joty 2.0 Workstation. If not, see
* It makes available tool methods that either help building the record
* descriptor or help building the actual record of the buffer, by exposing a
* re-usability on different part of it, that is ordinary data fields, key
* fields explicitly embedded in buffer for special purposes.
*
* @see TableTerm
* @see GridManager
* @see Table
*
*/
public abstract class GridBuffer extends JotyDataBuffer {
public GridBuffer() {
super();
}
protected void acquireRecordDescriptorPart(WResultSet rs, Object vectorObj, int initPos, boolean sourcesAreTerms) {
WrappedField wfield;
Vector termsVector = null;
Vector dataVector = null;
if (sourcesAreTerms)
termsVector = (Vector) vectorObj;
else
dataVector = (Vector) vectorObj;
FieldDescriptor wfieldFromDb = null;
for (int i = 0; i < (sourcesAreTerms ? termsVector : dataVector).size(); i++) {
wfield = (sourcesAreTerms ? termsVector : dataVector).get(i);
String fieldName = wfield.resultSetFieldName();
if (rs != null && fieldName != null) {
wfieldFromDb = rs.m_cursor.m_fieldsMap.get(fieldName);
if (wfieldFromDb == null) {
Application.m_app.JotyMsg(this, "The db field '" + fieldName + "' is not present in the defined set for the term : \n\n" + Utilities.formattedSql(rs.m_sql));
} else {
if (wfield.m_jotyTypeFromDb == JotyTypes._none)
wfield.m_jotyTypeFromDb = wfieldFromDb.m_nType;
m_fieldTypes.add(wfieldFromDb.m_nType);
}
if (sourcesAreTerms || m_fieldNamesMap.get(fieldName) == null)
/*
* with m_keyElems or m_wfields the first map occurrence is
* preserved with no warning
*/
m_fieldNamesMap.put(fieldName, initPos + i);
m_fieldNames.add(fieldName);
} else {
m_fieldNames.add(null);
if (rs == null && wfield.dataType() == JotyTypes._none)
wfield.m_dataType = JotyTypes._text;
m_fieldTypes.add(wfield.dataType());
}
}
}
protected void addWFieldElems(Record record, Vector vector, boolean checkKeyPos) {
int firstFieldPos;
if (vector != null) {
firstFieldPos = record.m_data.size();
if (checkKeyPos)
m_firstKeyPos = firstFieldPos;
WrappedField wfield = null;
for (int i = 0; i < vector.size(); i++) {
wfield = new WField(Application.m_app);
wfield.copyWField(vector.get(i), false);
((WField)wfield).m_metaDataSource = this;
wfield.m_idx = firstFieldPos + i;
record.m_data.add(wfield);
}
}
}
abstract protected void buildRecord(Record record);
@Override
protected void buildRecord(Record record, WResultSet sourceRs) {
checkRecordDescriptor(sourceRs);
buildRecord(record);
}
protected void getWFieldFromDataLayer(Record record, WResultSet rs, Vector vector, int firstFieldPos, boolean checkKeyPos) {
if (vector != null) {
if (checkKeyPos)
m_firstKeyPos = firstFieldPos;
WrappedField recordKeyWField;
for (int i = 0; i < vector.size(); i++) {
recordKeyWField = record.m_data.get(firstFieldPos + i);
recordKeyWField.getWField(rs);
}
}
}
void preLoadData() {
empty();
}
}