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LimeReport/limereport/lrreportrender.cpp
Arin Alex 5455b53404 Report variables have been refactored
2016-06-07 00:45:35 +03:00

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/***************************************************************************
* This file is part of the Lime Report project *
* Copyright (C) 2015 by Alexander Arin *
* arin_a@bk.ru *
* *
** GNU General Public License Usage **
* *
* This library is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
* *
** GNU Lesser General Public License **
* *
* This library 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. *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library. *
* If not, see <http://www.gnu.org/licenses/>. *
* *
* This library 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 General Public License for more details. *
****************************************************************************/
#include <stdexcept>
#include <QMessageBox>
#include <QApplication>
#include "lrglobal.h"
#include "lrreportrender.h"
#include "lrpagedesignintf.h"
#include "lrbanddesignintf.h"
#include "lritemdesignintf.h"
#include "lrscriptenginemanager.h"
#include "serializators/lrxmlreader.h"
#include "serializators/lrxmlwriter.h"
namespace LimeReport{
void ReportRender::initColumns(){
m_maxHeightByColumn.clear();
m_currentStartDataPos.clear();
m_maxHeightByColumn.append(0);
m_currentStartDataPos.append(0);
}
bool ReportRender::isNeedToRearrangeColumnsItems()
{
if (m_columnedBandItems.size()<=1) return false;
if (m_columnedBandItems[0]->columnsFillDirection()!=BandDesignIntf::VerticalUniform)
return false;
int avg = m_columnedBandItems.size()/m_columnedBandItems[0]->columnsCount();
for (int i=0;i<m_maxHeightByColumn.size();++i){
qreal maxHeight = 0;
int maxHeightColumn = 0;
if (m_maxHeightByColumn[i]>maxHeight){
maxHeight = m_maxHeightByColumn[i];
maxHeightColumn = i;
}
if (maxHeightColumn>0 && columnItemsCount(maxHeightColumn)<avg &&
maxHeight> lastColumnItem(maxHeightColumn-1)->height()
){
return true;
}
}
return false;
}
BandDesignIntf *ReportRender::lastColumnItem(int columnIndex)
{
if (columnIndex<0) return 0;
for(int i=0;i<m_columnedBandItems.size();++i){
if (m_columnedBandItems[i]->columnIndex()>columnIndex)
return m_columnedBandItems[i-1];
}
return m_columnedBandItems.last();
}
void ReportRender::rearrangeColumnsItems()
{
if (isNeedToRearrangeColumnsItems()){
qreal startHeight = columnHeigth(0);
int avg = m_columnedBandItems.size()/m_columnedBandItems[0]->columnsCount();
for (int i=1;i<m_columnedBandItems[0]->columnsCount();++i){
if (columnItemsCount(i)<avg){
int getCount = avg * (m_columnedBandItems[0]->columnsCount()-i) - columnItemsCount(i);
for (int j=0;j<getCount;++j){
BandDesignIntf* band = lastColumnItem(i-1);
band->setPos(band->pos().x()+band->width(),m_columnedBandItems[0]->pos().y());
band->setColumnIndex(i);
}
}
}
m_renderPageItem->relocateBands();
m_maxHeightByColumn[0]+=startHeight-maxColumnHeight();
m_currentStartDataPos[0]-=startHeight-maxColumnHeight();
m_columnedBandItems.clear();
}
}
int ReportRender::columnItemsCount(int columnIndex)
{
int result = 0;
foreach(BandDesignIntf* band, m_columnedBandItems){
if (band->columnIndex()==columnIndex)
++result;
if (band->columnIndex()>columnIndex) break;
}
return result;
}
qreal ReportRender::columnHeigth(int columnIndex)
{
qreal result = 0;
for(int i=0;i<m_columnedBandItems.size();++i){
if (m_columnedBandItems[i]->columnIndex()==columnIndex)
result += m_columnedBandItems[i]->height();
if (m_columnedBandItems[i]->columnIndex()>columnIndex) break;
}
return result;
}
qreal ReportRender::maxColumnHeight()
{
qreal result = 0;
for (int i=0;i<m_columnedBandItems[0]->columnsCount();++i){
qreal curColumnHeight = columnHeigth(i);
if (curColumnHeight>result) result = curColumnHeight;
}
return result;
}
void ReportRender::renameChildItems(BaseDesignIntf *item){
foreach(BaseDesignIntf* child, item->childBaseItems()){
if (!child->childBaseItems().isEmpty()) renameChildItems(child);
child->setObjectName(child->metaObject()->className()+QString::number(++m_curentNameIndex));
}
}
ReportRender::ReportRender(QObject *parent)
:QObject(parent), m_renderPageItem(0), m_pageCount(0),
m_lastDataBand(0), m_lastRenderedFooter(0), m_currentColumn(0)
{
initColumns();
}
void ReportRender::setDatasources(DataSourceManager *value)
{
m_datasources=value;
}
void ReportRender::initDatasources(){
try{
datasources()->setAllDatasourcesToFirst();
} catch(ReportError &exception){
//TODO posible should thow exeption
QMessageBox::critical(0,tr("Error"),exception.what());
return;
}
}
void ReportRender::renderPage(PageDesignIntf* patternPage)
{
m_curentNameIndex = 0;
m_patternPageItem = patternPage->pageItem();
m_pageCount = 1;
m_renderCanceled = false;
BandDesignIntf* reportFooter = m_patternPageItem->bandByType(BandDesignIntf::ReportFooter);
m_reportFooterHeight = 0;
if (reportFooter)
m_reportFooterHeight = reportFooter->height();
initVariables();
initGroupFunctions();
clearPageMap();
resetPageNumber();
startNewPage();
renderBand(m_patternPageItem->bandByType(BandDesignIntf::ReportHeader),StartNewPageAsNeeded);
BandDesignIntf* lastRenderedBand = 0;
for (int i=0;i<m_patternPageItem->dataBandCount() && !m_renderCanceled;i++){
lastRenderedBand = m_patternPageItem->dataBandAt(i);
initDatasources();
renderDataBand(lastRenderedBand);
if (i<m_patternPageItem->dataBandCount()-1) closeFooterGroup(lastRenderedBand);
}
if (reportFooter)
renderBand(reportFooter,StartNewPageAsNeeded);
if (lastRenderedBand && lastRenderedBand->keepFooterTogether())
closeFooterGroup(lastRenderedBand);
savePage();
if (!m_renderCanceled)
secondRenderPass();
}
int ReportRender::pageCount()
{
return m_renderedPages.count();
}
PageItemDesignIntf::Ptr ReportRender::pageAt(int index)
{
if ((index>m_renderedPages.count()-1)||(index<0)) throw ReportError("page index out of range");
else return m_renderedPages.at(index);
}
QString ReportRender::renderPageToString(PageDesignIntf *patternPage)
{
renderPage(patternPage);
return toString();
}
ReportPages ReportRender::renderPageToPages(PageDesignIntf *patternPage)
{
renderPage(patternPage);
return m_renderedPages;
}
void ReportRender::initRenderPage()
{
if (!m_renderPageItem) {
m_renderPageItem = new PageItemDesignIntf(m_patternPageItem->pageSize(), m_patternPageItem->pageRect());
m_renderPageItem->initFromItem(m_patternPageItem);
m_renderPageItem->setItemMode(PreviewMode);
}
}
void ReportRender::initVariables()
{
m_datasources->setReportVariable("#PAGE",1);
m_datasources->setReportVariable("#PAGE_COUNT",0);
}
void ReportRender::clearPageMap()
{
m_renderedPages.clear();
}
void ReportRender::extractGroupsFunction(BandDesignIntf *band)
{
foreach(BaseDesignIntf* item,band->childBaseItems()){
ContentItemDesignIntf* contentItem = dynamic_cast<ContentItemDesignIntf*>(item);
if (contentItem&&(contentItem->content().contains(QRegExp("\\$S\\s*\\{.*\\}")))){
foreach(QString functionName, m_datasources->groupFunctionNames()){
QRegExp rx(QString(Const::GROUP_FUNCTION_RX).arg(functionName));
QRegExp rxName(QString(Const::GROUP_FUNCTION_NAME_RX).arg(functionName));
if (rx.indexIn(contentItem->content())>=0){
BandDesignIntf* dataBand = m_patternPageItem->bandByName(rx.cap(Const::DATASOURCE_INDEX));
if (dataBand){
GroupFunction* gf = datasources()->addGroupFunction(functionName,rx.cap(Const::VALUE_INDEX),band->objectName(),dataBand->objectName());
if (gf){
connect(dataBand,SIGNAL(bandRendered(BandDesignIntf*)),gf,SLOT(slotBandRendered(BandDesignIntf*)));
}
} else {
GroupFunction* gf = datasources()->addGroupFunction(functionName,rx.cap(Const::VALUE_INDEX),band->objectName(),rx.cap(Const::DATASOURCE_INDEX));
gf->setInvalid(tr("Databand \"%1\" not found").arg(rx.cap(Const::DATASOURCE_INDEX)));
}
} else if (rxName.indexIn(contentItem->content())>=0){
GroupFunction* gf = datasources()->addGroupFunction(functionName,rxName.cap(1),band->objectName(),"");
gf->setInvalid(tr("Wrong using function %1").arg(functionName));
}
}
}
}
}
void ReportRender::replaceGroupsFunction(BandDesignIntf *band)
{
foreach(BaseDesignIntf* item,band->childBaseItems()){
ContentItemDesignIntf* contentItem = dynamic_cast<ContentItemDesignIntf*>(item);
if (contentItem){
QString content = contentItem->content();
foreach(QString functionName, m_datasources->groupFunctionNames()){
QRegExp rx(QString(Const::GROUP_FUNCTION_RX).arg(functionName));
if (rx.indexIn(content)>=0){
content.replace(rx,QString("%1(%2,%3)").arg(functionName).arg('"'+rx.cap(4)+'"').arg('"'+band->objectName()+'"'));
contentItem->setContent(content);
}
}
}
}
}
void ReportRender::renderBand(BandDesignIntf *patternBand, ReportRender::DataRenderMode mode, bool isLast)
{
QApplication::processEvents();
if (patternBand){
if (mode == ForcedStartPage){
savePage();
startNewPage();
}
if (patternBand->isFooter())
m_lastRenderedFooter = patternBand;
BandDesignIntf* bandClone=renderData(patternBand);
patternBand->emitBandRendered(bandClone);
if ( isLast && bandClone->keepFooterTogether() && bandClone->sliceLastRow() ){
if (m_maxHeightByColumn[m_currentColumn] < (bandClone->height()+m_reportFooterHeight))
m_maxHeightByColumn[m_currentColumn] -= ((m_maxHeightByColumn[m_currentColumn]-bandClone->height())+(bandClone->height()*calcSlicePercent(bandClone->height())));
}
if (!bandClone->isEmpty() || patternBand->printIfEmpty()){
if (!registerBand(bandClone)){
if (bandClone->canBeSplitted(m_maxHeightByColumn[m_currentColumn])){
bandClone = sliceBand(bandClone,patternBand,isLast);
} else {
qreal percent = (bandClone->height()-m_maxHeightByColumn[m_currentColumn])/(bandClone->height()/100);
if (bandClone->maxScalePercent()>=percent){
if (percent<bandClone->maxScalePercent()){
percent += 2;
bandClone->setScale((100-percent)/100);
bandClone->setHeight(m_maxHeightByColumn[m_currentColumn]);
registerBand(bandClone);
}
} else {
if (mode==StartNewPageAsNeeded){
if (bandClone->columnsCount()>1 &&
(bandClone->columnsFillDirection()==BandDesignIntf::Vertical ||
bandClone->columnsFillDirection()==BandDesignIntf::VerticalUniform))
{
startNewColumn();
} else {
savePage();
startNewPage();
}
if (!registerBand(bandClone)) {
bandClone->setHeight(m_maxHeightByColumn[m_currentColumn]);
registerBand(bandClone);
};
} else {
bandClone->setHeight(m_maxHeightByColumn[m_currentColumn]);
registerBand(bandClone);
}
}
}
}
} else {delete bandClone;}
if (patternBand->isFooter())
datasources()->clearGroupFunctionValues(patternBand->objectName());
}
}
void ReportRender::renderDataBand(BandDesignIntf *dataBand)
{
IDataSource* bandDatasource = 0;
m_lastRenderedFooter = 0;
if (dataBand && !dataBand->datasourceName().isEmpty())
bandDatasource = datasources()->dataSource(dataBand->datasourceName());
if(bandDatasource && !bandDatasource->eof() && !m_renderCanceled){
QString varName = QLatin1String("line_")+dataBand->objectName().toLower();
datasources()->setReportVariable(varName,1);
renderBand(dataBand->bandHeader());
if (dataBand->bandHeader() && dataBand->bandHeader()->reprintOnEachPage())
m_reprintableBands.append(dataBand->bandHeader());
renderChildHeader(dataBand,PrintNotAlwaysPrintable);
renderGroupHeader(dataBand, bandDatasource, true);
bool firstTime = true;
while(!bandDatasource->eof() && !m_renderCanceled){
if ((firstTime && dataBand->startFromNewPage()) ||
(!firstTime && dataBand->startNewPage())) {
savePage();
startNewPage();
}
if (dataBand->tryToKeepTogether()) openDataGroup(dataBand);
if (dataBand->keepFooterTogether() && !bandDatasource->hasNext())
openFooterGroup(dataBand);
datasources()->updateChildrenData(dataBand->datasourceName());
m_lastDataBand = dataBand;
renderBand(dataBand,StartNewPageAsNeeded,!bandDatasource->hasNext());
renderChildBands(dataBand);
bandDatasource->next();
datasources()->setReportVariable(varName,datasources()->variable(varName).toInt()+1);
foreach (BandDesignIntf* band, dataBand->childrenByType(BandDesignIntf::GroupHeader)){
QString groupLineVar = QLatin1String("line_")+band->objectName().toLower();
if (datasources()->containsVariable(groupLineVar))
datasources()->setReportVariable(groupLineVar,datasources()->variable(groupLineVar).toInt()+1);
}
renderGroupHeader(dataBand, bandDatasource, false);
if (dataBand->tryToKeepTogether()) closeDataGroup(dataBand);
firstTime = false;
}
m_reprintableBands.removeOne(dataBand->bandHeader());
renderGroupFooter(dataBand);
renderBand(dataBand->bandFooter(),StartNewPageAsNeeded);
datasources()->deleteVariable(varName);
} else if (bandDatasource==0) {
renderBand(dataBand,StartNewPageAsNeeded);
}
}
void ReportRender::renderPageHeader(PageItemDesignIntf *patternPage)
{
BandDesignIntf* band = patternPage->bandByType(BandDesignIntf::PageHeader);
if (band) renderBand(band);
}
void ReportRender::renderPageFooter(PageItemDesignIntf *patternPage)
{
BandDesignIntf* band = patternPage->bandByType(BandDesignIntf::PageFooter);
if (band){
BandDesignIntf* bandClone = dynamic_cast<BandDesignIntf*>(band->cloneItem(PreviewMode, m_renderPageItem,m_renderPageItem));
replaceGroupsFunction(bandClone);
bandClone->updateItemSize(m_datasources);
bandClone->setItemPos(m_patternPageItem->pageRect().x(),m_patternPageItem->pageRect().bottom()-bandClone->height());
bandClone->setHeight(m_pageFooterHeight);
for(int i=0;i<m_maxHeightByColumn.size();++i)
m_maxHeightByColumn[i]+=m_pageFooterHeight;
registerBand(bandClone);
datasources()->clearGroupFunctionValues(band->objectName());
}
}
void ReportRender::renderPageItems(PageItemDesignIntf* patternPage)
{
foreach (BaseDesignIntf* item, patternPage->childBaseItems()) {
ItemDesignIntf* id = dynamic_cast<ItemDesignIntf*>(item);
if (id&&id->itemLocation()==ItemDesignIntf::Page){
BaseDesignIntf* cloneItem = item->cloneItem(m_renderPageItem->itemMode(),
m_renderPageItem,
m_renderPageItem);
cloneItem->updateItemSize(m_datasources);
}
}
}
qreal ReportRender::calcPageFooterHeight(PageItemDesignIntf *patternPage)
{
BandDesignIntf* band = patternPage->bandByType(BandDesignIntf::PageFooter);
if (band){
return band->height();
}
return 0;
}
void ReportRender::renderChildHeader(BandDesignIntf *parent, BandPrintMode printMode)
{
foreach(BandDesignIntf* band,parent->childrenByType(BandDesignIntf::SubDetailHeader)){
bool printAlways=false;
if (band->metaObject()->indexOfProperty("printAlways")>0){
printAlways=band->property("printAlways").toBool();
}
if (printAlways == (printMode==PrintAlwaysPrintable) ) renderBand(band,StartNewPageAsNeeded);
}
}
void ReportRender::renderChildFooter(BandDesignIntf *parent, BandPrintMode printMode)
{
foreach(BandDesignIntf* band,parent->childrenByType(BandDesignIntf::SubDetailFooter)){
bool printAlways=false;
if (band->metaObject()->indexOfProperty("printAlways")>0){
printAlways=band->property("printAlways").toBool();
}
if ( (band != m_lastRenderedFooter) && (printAlways == (printMode == PrintAlwaysPrintable)) )
renderBand(band,StartNewPageAsNeeded);
}
}
void ReportRender::renderChildBands(BandDesignIntf *parentBand)
{
foreach(BandDesignIntf* band,parentBand->childrenByType(BandDesignIntf::SubDetailBand)){
IDataSource* ds = m_datasources->dataSource(band->datasourceName());
if (ds) ds->first();
renderChildHeader(band,PrintAlwaysPrintable);
renderDataBand(band);
renderChildFooter(band,PrintAlwaysPrintable);
closeFooterGroup(band);
}
}
void ReportRender::renderGroupHeader(BandDesignIntf *parentBand, IDataSource* dataSource, bool firstTime)
{
foreach(BandDesignIntf* band,parentBand->childrenByType(BandDesignIntf::GroupHeader)){
IGroupBand* gb = dynamic_cast<IGroupBand*>(band);
if (gb&&gb->isNeedToClose(m_datasources)){
if (band->childBands().count()>0){
dataSource->prior();
foreach (BandDesignIntf* subBand, parentBand->childrenByType(BandDesignIntf::GroupHeader)) {
if ( (subBand->bandIndex() > band->bandIndex()) &&
(subBand->childBands().count()>0)
){
renderBand(subBand->childBands().at(0));
closeDataGroup(subBand);
}
}
renderBand(band->childBands().at(0),StartNewPageAsNeeded);
dataSource->next();
}
closeDataGroup(band);
}
if (!gb->isStarted()){
if (band->reprintOnEachPage())
m_reprintableBands.append(band);
gb->startGroup(m_datasources);
openDataGroup(band);
if (!firstTime && gb->startNewPage()){
if (gb->resetPageNumber()) resetPageNumber();
renderBand(band,ForcedStartPage);
} else {
renderBand(band,StartNewPageAsNeeded);
}
}
}
}
void ReportRender::renderGroupFooter(BandDesignIntf *parentBand)
{
foreach(BandDesignIntf* band,parentBand->childrenByType(BandDesignIntf::GroupHeader)){
IGroupBand* gb = dynamic_cast<IGroupBand*>(band);
if (gb->isStarted()){
if (band->reprintOnEachPage()) m_reprintableBands.removeOne(band);
if (band->childBands().count()>0){
renderBand(band->childBands().at(0),StartNewPageAsNeeded);
}
closeDataGroup(band);
}
}
}
void ReportRender::initGroupFunctions()
{
m_datasources->clearGroupFunction();
foreach(BandDesignIntf* band, m_patternPageItem->childBands()){
if (band->isFooter()) extractGroupsFunction(band);
}
}
void ReportRender::popPageFooterGroupValues(BandDesignIntf *dataBand)
{
BandDesignIntf* pageFooter = m_patternPageItem->bandByType(BandDesignIntf::PageFooter);
if (pageFooter){
foreach(GroupFunction* gf, datasources()->groupFunctionsByBand(pageFooter->objectName())){
if ((gf->dataBandName()==dataBand->objectName())){
// FIXME Probably coincidence Field and Variables
if ((!m_popupedExpression.contains(dataBand))||(!m_popupedExpression.values(dataBand).contains(gf->data()))){
m_popupedExpression.insert(dataBand,gf->data());
m_popupedValues.insert(QString("%1").arg((quintptr)dataBand)+'|'+gf->data(), gf->values()[gf->values().count()-1]);
gf->values().pop_back();
}
}
}
}
}
void ReportRender::pushPageFooterGroupValues(BandDesignIntf *dataBand)
{
BandDesignIntf* pageFooter = m_patternPageItem->bandByType(BandDesignIntf::PageFooter);
if (pageFooter){
foreach(GroupFunction* gf, datasources()->groupFunctionsByBand(pageFooter->objectName())){
if ((gf->dataBandName()==dataBand->objectName())){
// FIXME Probably coincidence Field and Variables
if ((m_popupedExpression.contains(dataBand))&&(m_popupedExpression.values(dataBand).contains(gf->data()))){
gf->values().push_back(m_popupedValues.value(QString("%1").arg((quintptr)dataBand)+'|'+gf->data()));
}
}
}
}
}
void ReportRender::closeGroup(BandDesignIntf *band)
{
QMultiMap< BandDesignIntf*, GroupBandsHolder* >::iterator it;
it = m_childBands.find(band);
while (it!=m_childBands.end()&&it.key()==band){
GroupBandsHolder* bl = it.value();
if (bl){
bl->clear();
delete bl;
}
it++;
}
m_childBands.remove(band);
}
void ReportRender::openDataGroup(BandDesignIntf *band)
{
m_childBands.insert(band,new GroupBandsHolder(band->tryToKeepTogether()));
}
void ReportRender::openFooterGroup(BandDesignIntf *band)
{
GroupBandsHolder* holder = new GroupBandsHolder(true);
holder->setIsFooterGroup();
m_childBands.insert(band,holder);
}
void ReportRender::closeDataGroup(BandDesignIntf *band)
{
IGroupBand* groupBand = dynamic_cast<IGroupBand*>(band);
if (groupBand){
groupBand->closeGroup();
if (band->reprintOnEachPage()) m_reprintableBands.removeOne(band);
}
closeGroup(band);
}
void ReportRender::closeFooterGroup(BandDesignIntf *band){
closeGroup(band);
}
qreal maxVectorValue(QVector<qreal> vector){
qreal curValue = 0;
foreach (qreal value, vector) {
if (curValue<value) curValue=value;
}
return curValue;
}
qreal minVectorValue(QVector<qreal> vector){
qreal curValue = vector[0];
foreach (qreal value, vector) {
if (curValue>value) curValue=value;
}
return curValue;
}
bool ReportRender::registerBand(BandDesignIntf *band, bool registerInChildren)
{
if (band->columnsCount()==1 && m_maxHeightByColumn.size()>1){
if (band->bandType()!=BandDesignIntf::PageFooter){
rearrangeColumnsItems();
m_currentColumn = 0;
qreal minValue = minVectorValue(m_maxHeightByColumn);
m_maxHeightByColumn.clear();
m_maxHeightByColumn.append(minValue);
qreal maxValue = maxVectorValue(m_currentStartDataPos);
m_currentStartDataPos.clear();
m_currentStartDataPos.append(maxValue);
}
}
if ( (band->columnsCount()>1) && !band->isHeader()){
if (m_maxHeightByColumn.size()!=band->columnsCount()){
for(int i=1;i<band->columnsCount();++i){
m_maxHeightByColumn.append(m_maxHeightByColumn[0]);
m_currentStartDataPos.append(m_currentStartDataPos[0]);
}
m_currentColumn = 0;
} else {
if (band->columnsFillDirection()==BandDesignIntf::Horizontal){
if (m_currentColumn<band->columnsCount()-1)
m_currentColumn = m_currentColumn+1;
else
m_currentColumn = 0;
}
}
}
if (band->height()<=m_maxHeightByColumn[m_currentColumn]){
if (band->bandType()==BandDesignIntf::PageFooter){
for (int i=0;i<m_maxHeightByColumn.size();++i)
m_maxHeightByColumn[i]+=band->height();
} else {
m_maxHeightByColumn[m_currentColumn]-=band->height();
}
if (band->isHeader() && band->columnsCount()>1){
qreal bandPos = m_currentStartDataPos[m_currentColumn];
m_currentStartDataPos[m_currentColumn]+=band->height();
for (int i=0;i<band->columnsCount();++i){
if (i!=0) band = dynamic_cast<BandDesignIntf*>(band->cloneItem(PreviewMode));
band->setPos(m_renderPageItem->pageRect().x()+band->width()*i,bandPos);
band->setBandIndex(++m_currentIndex);
band->setColumnIndex(i);
m_renderPageItem->registerBand(band);
}
} else {
if (band->bandType()!=BandDesignIntf::PageFooter){
band->setPos(m_renderPageItem->pageRect().x()+band->width()*m_currentColumn,
m_currentStartDataPos[m_currentColumn]);
m_currentStartDataPos[m_currentColumn]+=band->height();
band->setBandIndex(++m_currentIndex);
band->setColumnIndex(m_currentColumn);
}
if (band->columnsCount()>1){
m_columnedBandItems.append(band);
}
m_renderPageItem->registerBand(band);
}
foreach(QList<BandDesignIntf*>* list,m_childBands.values()){
if (registerInChildren &&
band->bandType()!=BandDesignIntf::PageHeader &&
band->bandType()!=BandDesignIntf::PageFooter &&
band->bandType()!=BandDesignIntf::ReportHeader &&
band->bandType()!=BandDesignIntf::ReportFooter &&
!list->contains(band) &&
!band->reprintOnEachPage()
)
list->append(band);
}
if (band->isData()) m_renderedDataBandCount++;
band->setObjectName(band->objectName()+QString::number(++m_curentNameIndex));
renameChildItems(band);
return true;
} else return false;
}
qreal ReportRender::calcSlicePercent(qreal height){
return (height*3/(m_dataAreaSize))/100;
}
BandDesignIntf* ReportRender::sliceBand(BandDesignIntf *band, BandDesignIntf* patternBand, bool isLast)
{
while (band->height()>m_maxHeightByColumn[m_currentColumn]) {
band = saveUppperPartReturnBottom(band,m_maxHeightByColumn[m_currentColumn],patternBand);
if (!band->isEmpty()) {
if (band->autoHeight()){
band->setHeight(0);
band->updateItemSize(m_datasources);
}
DataBandDesignIntf* data = dynamic_cast<DataBandDesignIntf*>(band);
if (isLast && data && data->keepFooterTogether() &&
band->height()<m_maxHeightByColumn[m_currentColumn] && band->sliceLastRow()
){
if (band->height()>(m_maxHeightByColumn[m_currentColumn]-m_reportFooterHeight)){
m_maxHeightByColumn[m_currentColumn] -= ((m_maxHeightByColumn[m_currentColumn]-band->height())+(band->height()*calcSlicePercent(band->height())));
}
}
if (registerBand(band)) break;
} else break;
}
if (band->isEmpty()) {
delete band;
band = 0;
}
return band;
}
void ReportRender::secondRenderPass()
{
for(int i=0; i<m_renderedPages.count(); ++i){
PageItemDesignIntf::Ptr page = m_renderedPages.at(i);
m_datasources->setReportVariable("#PAGE_COUNT",findLastPageNumber(i));
foreach(BandDesignIntf* band, page->childBands()){
band->updateItemSize(m_datasources, SecondPass);
}
}
}
BandDesignIntf *ReportRender::saveUppperPartReturnBottom(BandDesignIntf *band, int height, BandDesignIntf* patternBand)
{
int sliceHeight = height;
BandDesignIntf* upperBandPart = dynamic_cast<BandDesignIntf*>(band->cloneUpperPart(sliceHeight));
BandDesignIntf* bottomBandPart = dynamic_cast<BandDesignIntf*>(band->cloneBottomPart(sliceHeight));
if (!bottomBandPart->isEmpty()){
//bottomBandPart->updateItemSize(FirstPass,height);
if (patternBand->keepFooterTogether())
closeFooterGroup(patternBand);
}
if (!upperBandPart->isEmpty()){
upperBandPart->updateItemSize(m_datasources, FirstPass, height);
registerBand(upperBandPart);
} else delete upperBandPart;
if (band->columnsCount()>1 &&
(band->columnsFillDirection()==BandDesignIntf::Vertical ||
band->columnsFillDirection()==BandDesignIntf::VerticalUniform)){
startNewColumn();
} else {
savePage();
startNewPage();
}
// if (!bottomBandPart->isEmpty() && patternBand->keepFooterTogether())
// openFooterGroup(patternBand);
delete band;
return bottomBandPart;
}
BandDesignIntf *ReportRender::renderData(BandDesignIntf *patternBand)
{
BandDesignIntf* bandClone = dynamic_cast<BandDesignIntf*>(patternBand->cloneItem(PreviewMode));
if (patternBand->isFooter()){
replaceGroupsFunction(bandClone);
}
bandClone->updateItemSize(m_datasources);
return bandClone;
}
void ReportRender::startNewColumn(){
if (m_currentColumn < m_maxHeightByColumn.size()-1){
m_currentColumn++;
} else {
savePage();
startNewPage();
}
}
void ReportRender::startNewPage()
{
m_renderPageItem=0;
m_currentColumn=0;
initColumns();
initRenderPage();
m_renderPageItem->setObjectName(QLatin1String("ReportPage")+QString::number(m_pageCount));
m_maxHeightByColumn[m_currentColumn]=m_renderPageItem->pageRect().height();
m_currentStartDataPos[m_currentColumn]=m_patternPageItem->topMargin()*Const::mmFACTOR;
m_currentIndex=0;
renderPageHeader(m_patternPageItem);
m_pageFooterHeight = calcPageFooterHeight(m_patternPageItem);
m_maxHeightByColumn[m_currentColumn] -= m_pageFooterHeight;
m_currentIndex=10;
m_dataAreaSize = m_maxHeightByColumn[m_currentColumn];
m_renderedDataBandCount = 0;
foreach (BandDesignIntf* band, m_reprintableBands) {
renderBand(band);
}
checkLostHeadersOnPrevPage();
pasteGroups();
renderPageItems(m_patternPageItem);
}
void ReportRender::resetPageNumber()
{
PagesRange range;
if (!m_ranges.isEmpty()){
m_ranges.last().lastPage = m_pageCount;
range.firstPage = m_pageCount+1;
} else {
range.firstPage = m_pageCount;
}
range.lastPage = 0;
m_ranges.append(range);
}
int ReportRender::findLastPageNumber(int currentPage)
{
foreach (PagesRange range, m_ranges) {
if ( range.firstPage<= (currentPage+1) && range.lastPage>= (currentPage+1) )
return range.lastPage-(range.firstPage-1);
}
return 0;
}
void ReportRender::cutGroups()
{
m_popupedExpression.clear();
m_popupedValues.clear();
foreach(BandDesignIntf* groupBand,m_childBands.keys()){
if (m_childBands.value(groupBand)->tryToKeepTogether()){
foreach(BandDesignIntf* band, *m_childBands.value(groupBand)){
m_renderPageItem->removeBand(band);
popPageFooterGroupValues(band);
band->setParent(0);
band->setParentItem(0);
}
}
}
}
void ReportRender::checkFooterGroup(BandDesignIntf *groupBand)
{
if (m_childBands.contains(groupBand)){
GroupBandsHolder* holder = m_childBands.value(groupBand);
foreach(BandDesignIntf* band, *holder){
qreal percent = band->height()*100 / m_dataAreaSize;
if (m_renderedDataBandCount<=1 || percent>20 ){
holder->removeAll(band);
}
}
}
}
void ReportRender::pasteGroups()
{
BandDesignIntf* groupBand = findEnclosingGroup();
if (groupBand){
foreach(BandDesignIntf* band, *m_childBands.value(groupBand)){
registerBand(band,false);
if (band->isData()) m_renderedDataBandCount++;
pushPageFooterGroupValues(band);
}
foreach(GroupBandsHolder* holder, m_childBands.values())
holder->setTryToKeepTogether(false);
}
m_popupedExpression.clear();
m_popupedValues.clear();
}
void ReportRender::checkLostHeadersOnPrevPage()
{
if (m_renderedPages.isEmpty()) return;
PageItemDesignIntf::Ptr page = m_renderedPages.last();
if (page->bands().isEmpty()) return;
QMutableListIterator<BandDesignIntf*>it(page->bands());
it.toBack();
if (it.hasPrevious())
if (it.previous()->isFooter())
if (it.hasPrevious()) it.previous();
else return;
while (it.hasPrevious()){
if (it.value()->isHeader()){
if (it.value()->reprintOnEachPage()){
delete it.value();
} else { registerBand(it.value());}
it.remove();
it.previous();
} else break;
}
}
BandDesignIntf* ReportRender::findEnclosingGroup()
{
BandDesignIntf* result=0;
int groupIndex = -1;
if (!m_childBands.isEmpty()){
foreach(BandDesignIntf* gb, m_childBands.keys()){
if (m_childBands.value(gb)->tryToKeepTogether()&&
((gb->bandIndex()<groupIndex)||(groupIndex==-1))
){
result=gb;
groupIndex=result->bandIndex();
}
}
}
return result;
}
void ReportRender::savePage()
{
checkFooterGroup(m_lastDataBand);
cutGroups();
rearrangeColumnsItems();
m_columnedBandItems.clear();
renderPageFooter(m_patternPageItem);
if (m_ranges.last().lastPage==0 && m_ranges.count()>1) {
m_datasources->setReportVariable("#PAGE",1);
} else {
m_datasources->setReportVariable("#PAGE",m_datasources->variable("#PAGE").toInt()+1);
}
m_ranges.last().lastPage = m_pageCount;
BandDesignIntf* pageFooter = m_renderPageItem->bandByType(BandDesignIntf::PageFooter);
if (pageFooter) pageFooter->setBandIndex(++m_currentIndex);
m_renderedPages.append(PageItemDesignIntf::Ptr(m_renderPageItem));
emit pageRendered(m_pageCount);
m_pageCount++;
}
QString ReportRender::toString()
{
QScopedPointer<ItemsWriterIntf> writer(new XMLWriter());
foreach(PageItemDesignIntf::Ptr page,m_renderedPages){
writer->putItem(page.data());
}
return writer->saveToString();
}
ReportRender::~ReportRender(){
m_renderedPages.clear();
}
void ReportRender::cancelRender(){
m_renderCanceled = true;
}
}
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