protected void processPlainSection(final ExecutionContext ectx) throws Exception {
final SectionContext sctx = ectx.sectionContext;
final PlainSection section = (PlainSection) sctx.section;
DataProvider provider = null;
Query query = null;
if (section.getDataProvider() != null) {
provider = section.getDataProvider().getProvider(ectx.elctx);
query = section.getDataProvider().getQuery(ectx.elctx);
}
if (provider != null) {
sctx.beanIterator = provider.execute(query);
try {
while (sctx.beanIterator.hasNext()) {
sctx.bean = sctx.beanIterator.next();
ectx.elctx.setRowModel(sctx.bean);
ectx.elctx.getVariables().put(VAR_RECORD, sctx.record);
renderArea(ectx, section.getTemplate(), -1);
for (SectionEventListener listener : sctx.sectionListeners) {
listener.afterRecord(ectx);
}
sctx.recordFirstRow = ectx.getNewRowNum();
sctx.record++;
}
} finally {
sctx.beanIterator.close();
sctx.beanIterator = null;
sctx.bean = null;
}
} else {
renderArea(ectx, section.getTemplate(), -1);
}
}
protected void processCompositeSection(final ExecutionContext ectx) throws Exception {
final SectionContext sctx = ectx.sectionContext;
final CompositeSection section = (CompositeSection) sctx.section;
DataProvider provider = null;
Query query = null;
if (section.getDataProvider() != null) {
provider = section.getDataProvider().getProvider(ectx.elctx);
query = section.getDataProvider().getQuery(ectx.elctx);
}
final ProviderUsage providerUsage = section.getProviderUsage();
if (provider != null && providerUsage != ProviderUsage.DECLARE_ONLY) {
sctx.gm =
new GroupManager(section.getGroups()) {
public void renderCurrentGroup(final ExecutionContext ctx) throws Exception {
renderGroup(ctx, getCurrentGroup());
}
};
sctx.beanIterator = provider.execute(query);
try {
while (sctx.beanIterator.hasNext()) {
sctx.bean =
ProviderUsage.PREFETCH_RECORDS == providerUsage
? sctx.beanIterator.readAhead()
: sctx.beanIterator.next();
ectx.elctx.setRowModel(sctx.bean);
ectx.elctx.getVariables().put(VAR_RECORD, sctx.record);
sctx.gm.initRecord(ectx, sctx.bean);
for (final Section childSection : section.getSections()) {
processSection(ectx, childSection);
}
sctx.gm.finalizeRecord(ectx);
for (final SectionEventListener listener : sctx.sectionListeners) {
listener.afterRecord(ectx);
}
sctx.recordFirstRow = ectx.getNewRowNum();
sctx.record++;
}
} finally {
sctx.beanIterator.close();
sctx.beanIterator = null;
sctx.bean = null;
}
sctx.gm.finalizeAllGroups(ectx);
sctx.gm = null;
} else {
sctx.beanIterator = provider != null ? provider.execute(query) : null;
try {
for (final Section childSection : section.getSections()) {
processSection(ectx, childSection);
}
} finally {
if (sctx.beanIterator != null) {
sctx.beanIterator.close();
sctx.beanIterator = null;
}
}
}
}
protected void processGroupingSection(final ExecutionContext ectx) throws Exception {
final SectionContext sctx = ectx.sectionContext;
final GroupingSection section = (GroupingSection) sctx.section;
DataProvider provider = null;
Query query = null;
if (section.getDataProvider() != null) {
provider = section.getDataProvider().getProvider(ectx.elctx);
query = section.getDataProvider().getQuery(ectx.elctx);
}
if (provider != null) {
sctx.gm =
new GroupManager(section.getGroups()) {
public void renderCurrentGroup(final ExecutionContext ctx) throws Exception {
renderGroup(ctx, getCurrentGroup());
}
};
sctx.beanIterator = provider.execute(query);
try {
while (sctx.beanIterator.hasNext()) {
sctx.bean = sctx.beanIterator.next();
ectx.elctx.setRowModel(sctx.bean);
ectx.elctx.getVariables().put(VAR_RECORD, sctx.record);
sctx.gm.initRecord(ectx, sctx.bean);
renderArea(ectx, section.getRowTemplate(), -1);
sctx.gm.finalizeRecord(ectx);
for (final SectionEventListener listener : sctx.sectionListeners) {
listener.afterRecord(ectx);
}
sctx.recordFirstRow = ectx.getNewRowNum();
sctx.record++;
}
} finally {
sctx.beanIterator.close();
sctx.beanIterator = null;
sctx.bean = null;
}
sctx.gm.finalizeAllGroups(ectx);
sctx.gm = null;
} else {
renderArea(ectx, section.getRowTemplate(), -1);
}
}
protected void processSection(final ExecutionContext ectx, final Section section)
throws Exception {
if (!section.isRendered()) return;
final Object prevBean = ectx.elctx.getRowModel();
final Object prevRecord = ectx.elctx.getVariables().get(VAR_RECORD);
final int firstRow = ectx.getNewRowNum();
ectx.sectionContext = new SectionContext(ectx.sectionContext, section, firstRow, ectx.elctx);
for (final SectionEventListener listener : ectx.sectionContext.sectionListeners) {
listener.beforeSection(ectx);
}
if (section.isRendered()) {
if (section instanceof CompositeSection) {
processCompositeSection(ectx);
} else if (section instanceof PlainSection) {
processPlainSection(ectx);
} else if (section instanceof GroupingSection) {
processGroupingSection(ectx);
} else throw new RuntimeException("Unsupported section type: " + section.getClass());
final int lastRow = ectx.getLastRowNum();
if (section.isHidden()) {
for (int i = firstRow; i <= lastRow; i++) {
ectx.wsheet.getRow(i).setZeroHeight(true);
}
}
if (section.isCollapsible() && lastRow > firstRow) {
ectx.wsheet.groupRow(firstRow, lastRow);
ectx.wsheet.setRowGroupCollapsed(firstRow, section.isCollapsed());
}
}
for (final SectionEventListener listener : ectx.sectionContext.sectionListeners) {
listener.afterSection(ectx);
}
ectx.history.put(ectx.sectionContext.section.getId(), ectx.sectionContext);
ectx.sectionContext = ectx.sectionContext.parent;
ectx.elctx.setRowModel(prevBean);
ectx.elctx.getVariables().put(VAR_RECORD, prevRecord);
}
