listGrid.setCanExpandRecords(true); listGrid.setExpansionMode(ExpansionMode.DETAILS);
public class TestDataSource extends GwtRpcDataSource {
public TestDataSource () {
DataSourceField field;
field = new DataSourceIntegerField ("id", "ID");
field.setPrimaryKey (true);
field.setRequired (false);
addField (field);
field = new DataSourceTextField ("name", "NAME");
field.setRequired (true);
addField (field);
field = new DataSourceDateField ("date", "DATE");
field.setRequired (false);
addField (field);
}
@Override
protected void executeFetch (final String requestId, final DSRequest request, final DSResponse response) {
TestServiceAsync service = GWT.create (TestService.class);
service.fetch (new AsyncCallback<List<TestRecord>> () {
public void onFailure (Throwable caught) {
response.setStatus (RPCResponse.STATUS_FAILURE);
processResponse (requestId, response);
}
public void onSuccess (List<TestRecord> result) {
ListGridRecord[] list = new ListGridRecord[result.size ()];
for (int i = 0; i < list.length; i++) {
ListGridRecord record = new ListGridRecord ();
copyValues (result.get (i), record);
list[i] = record;
}
response.setData (list);
processResponse (requestId, response);
}
});
}
@Override
protected void executeAdd (final String requestId, final DSRequest request, final DSResponse response) {
JavaScriptObject data = request.getData ();
ListGridRecord rec = new ListGridRecord (data);
TestRecord testRec = new TestRecord ();
copyValues (rec, testRec);
TestServiceAsync service = GWT.create (TestService.class);
service.add (testRec, new AsyncCallback<TestRecord> () {
public void onFailure (Throwable caught) {
response.setStatus (RPCResponse.STATUS_FAILURE);
processResponse (requestId, response);
}
public void onSuccess (TestRecord result) {
ListGridRecord[] list = new ListGridRecord[1];
ListGridRecord newRec = new ListGridRecord ();
copyValues (result, newRec);
list[0] = newRec;
response.setData (list);
processResponse (requestId, response);
}
});
}
@Override
protected void executeUpdate (final String requestId, final DSRequest request, final DSResponse response) {
JavaScriptObject data = request.getData ();
ListGridRecord rec = new ListGridRecord (data);
ListGrid grid = (ListGrid) Canvas.getById (request.getComponentId ());
int index = grid.getRecordIndex (rec);
rec = (ListGridRecord) grid.getEditedRecord (index);
TestRecord testRec = new TestRecord ();
copyValues (rec, testRec);
TestServiceAsync service = GWT.create (TestService.class);
service.update (testRec, new AsyncCallback<TestRecord> () {
public void onFailure (Throwable caught) {
response.setStatus (RPCResponse.STATUS_FAILURE);
processResponse (requestId, response);
}
public void onSuccess (TestRecord result) {
ListGridRecord[] list = new ListGridRecord[1];
ListGridRecord updRec = new ListGridRecord ();
copyValues (result, updRec);
list[0] = updRec;
response.setData (list);
processResponse (requestId, response);
}
});
}
@Override
protected void executeRemove (final String requestId, final DSRequest request, final DSResponse response) {
JavaScriptObject data = request.getData ();
final ListGridRecord rec = new ListGridRecord (data);
TestRecord testRec = new TestRecord ();
copyValues (rec, testRec);
TestServiceAsync service = GWT.create (TestService.class);
service.remove (testRec, new AsyncCallback () {
public void onFailure (Throwable caught) {
response.setStatus (RPCResponse.STATUS_FAILURE);
processResponse (requestId, response);
}
public void onSuccess (Object result) {
ListGridRecord[] list = new ListGridRecord[1];
list[0] = rec;
response.setData (list);
processResponse (requestId, response);
}
});
}
private static void copyValues (ListGridRecord from, TestRecord to) {
to.setId (from.getAttributeAsInt ("id"));
to.setName (from.getAttributeAsString ("name"));
to.setDate (from.getAttributeAsDate ("date"));
}
private static void copyValues (TestRecord from, ListGridRecord to) {
to.setAttribute ("id", from.getId ());
to.setAttribute ("name", from.getName ());
to.setAttribute ("date", from.getDate ());
}
}
public class ProbandoDataSource implements EntryPoint {
public void onModuleLoad() {
final DataSource dataSource = new TestDataSource();
final ListGrid listGrid = new ListGrid() {
@Override
protected Canvas getExpansionComponent(final ListGridRecord record) {
final ListGrid grid = this;
VLayout layout = new VLayout(2);
final DynamicForm df = new DynamicForm();
df.setNumCols(2);
df.setDataSource(dataSource);
df.addDrawHandler(new DrawHandler() {
public void onDraw(DrawEvent event) {
df.editRecord(record);
}
});
IButton saveButton = new IButton("Save");
saveButton.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
df.saveData();
//I m using this to update the record on the grid ( the view)
record.setAttribute("id", (Integer) df.getValue("id"));
record.setAttribute("name", (String) df.getValue("name"));
record.setAttribute("date", (Date) df.getValue("date"));
//dataSource.updateData(record); fails
// grid.updateData(record); fails
}
});
IButton cancelButton = new IButton("Done");
cancelButton.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
grid.collapseRecord(record);
}
});
HLayout hLayout = new HLayout(10);
hLayout.addMember(saveButton);
hLayout.addMember(cancelButton);
layout.addMember(df);
layout.addMember(hLayout);
return layout;
}
};
listGrid.setCanExpandRecords(true);
listGrid.setAutoFetchData(true);
listGrid.setDataSource(dataSource);
ListGridField itemNameField = new ListGridField("name");
ListGridField skuField = new ListGridField("id");
listGrid.setFields(itemNameField, skuField);
listGrid.draw();
}
}
dataSource.updateData(record); grid.updateData(record);
Comment