mirror of
https://github.com/python-LimeReport/LimeReport.git
synced 2024-12-26 05:18:11 +03:00
323 lines
9.8 KiB
C++
323 lines
9.8 KiB
C++
#include "lrpreviewreportwidget.h"
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#include "ui_lrpreviewreportwidget.h"
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#include <QPrinter>
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#include <QPrintDialog>
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#include <QPrinterInfo>
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#include <QScrollBar>
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#include <QFileDialog>
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#include "lrpagedesignintf.h"
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#include "lrreportrender.h"
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#include "lrreportengine_p.h"
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#include "lrpreviewreportwidget_p.h"
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#include "serializators/lrxmlwriter.h"
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namespace LimeReport {
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bool PreviewReportWidgetPrivate::pageIsVisible(){
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QGraphicsView* view = q_ptr->ui->graphicsView;
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if ( m_currentPage-1 >= m_reportPages.size() || m_currentPage <= 0 )
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return false;
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PageItemDesignIntf::Ptr page = m_reportPages.at(m_currentPage-1);
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return page->mapToScene(page->rect()).boundingRect().intersects(
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view->mapToScene(view->viewport()->geometry()).boundingRect()
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);
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}
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QRectF PreviewReportWidgetPrivate::calcPageShift(){
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QGraphicsView *view = q_ptr->ui->graphicsView;
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PageItemDesignIntf::Ptr page = m_reportPages.at(m_currentPage-1);
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qreal pageHeight = page->mapToScene(page->boundingRect()).boundingRect().height();
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qreal viewHeight = view->mapToScene(
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0, view->viewport()->height()
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).y() - view->mapToScene(0,0).y();
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viewHeight = (pageHeight<viewHeight)?pageHeight:viewHeight;
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QRectF pageStartPos = m_reportPages.at(m_currentPage-1)->mapRectToScene(
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m_reportPages.at(m_currentPage-1)->rect()
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);
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return QRectF(0,pageStartPos.y(),0,viewHeight);
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}
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void PreviewReportWidgetPrivate::setPages(ReportPages pages)
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{
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m_reportPages = pages;
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if (!m_reportPages.isEmpty()){
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m_previewPage->setPageItems(m_reportPages);
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m_changingPage = true;
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m_currentPage = 1;
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if (pages.at(0)) pages.at(0)->setSelected(true);
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m_changingPage = false;
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q_ptr->initPreview();
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q_ptr->emitPageSet();
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}
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}
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PageItemDesignIntf::Ptr PreviewReportWidgetPrivate::currentPage()
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{
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if (m_reportPages.count()>0 && m_reportPages.count()>=m_currentPage)
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return m_reportPages.at(m_currentPage-1);
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else return PageItemDesignIntf::Ptr(0);
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}
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PreviewReportWidget::PreviewReportWidget(ReportEngine *report, QWidget *parent) :
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QWidget(parent),
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ui(new Ui::PreviewReportWidget), d_ptr(new PreviewReportWidgetPrivate(this))
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{
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ui->setupUi(this);
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d_ptr->m_report = report->d_ptr;
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d_ptr->m_previewPage = d_ptr->m_report->createPreviewPage();
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d_ptr->m_previewPage->setItemMode( LimeReport::PreviewMode );
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ui->errorsView->setVisible(false);
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connect(ui->graphicsView->verticalScrollBar(),SIGNAL(valueChanged(int)), this, SLOT(slotSliderMoved(int)));
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connect(d_ptr->m_report, SIGNAL(destroyed(QObject*)), this, SLOT(reportEngineDestroyed(QObject*)));
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d_ptr->m_zoomer = new GraphicsViewZoomer(ui->graphicsView);
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connect(d_ptr->m_zoomer, SIGNAL(zoomed(double)), this, SLOT(slotZoomed(double)));
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}
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PreviewReportWidget::~PreviewReportWidget()
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{
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delete d_ptr->m_previewPage;
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d_ptr->m_previewPage = 0;
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delete d_ptr->m_zoomer;
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delete d_ptr;
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delete ui;
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}
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void PreviewReportWidget::initPreview()
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{
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if (ui->graphicsView->scene()!=d_ptr->m_previewPage)
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ui->graphicsView->setScene(d_ptr->m_previewPage);
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ui->graphicsView->resetMatrix();
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ui->graphicsView->centerOn(0, 0);
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setScalePercent(d_ptr->m_scalePercent);
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}
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void PreviewReportWidget::setErrorsMesagesVisible(bool visible)
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{
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ui->errorsView->setVisible(visible);
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}
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void PreviewReportWidget::zoomIn()
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{
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d_ptr->m_scalePercent = (d_ptr->m_scalePercent / 10) * 10 + 10;
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setScalePercent(d_ptr->m_scalePercent);
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}
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void PreviewReportWidget::zoomOut()
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{
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if (d_ptr->m_scalePercent>0)
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d_ptr->m_scalePercent = (d_ptr->m_scalePercent / 10) * 10 - 10;
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setScalePercent(d_ptr->m_scalePercent);
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}
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void PreviewReportWidget::firstPage()
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{
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d_ptr->m_changingPage=true;
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if ((!d_ptr->m_reportPages.isEmpty())&&(d_ptr->m_currentPage>1)){
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d_ptr->m_currentPage=1;
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ui->graphicsView->ensureVisible(d_ptr->calcPageShift(), 0, 0);
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emit pageChanged(d_ptr->m_currentPage);
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}
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d_ptr->m_changingPage=false;
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}
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void PreviewReportWidget::priorPage()
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{
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d_ptr->m_changingPage=true;
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if ((!d_ptr->m_reportPages.isEmpty())&&(d_ptr->m_currentPage>1)){
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d_ptr->m_currentPage--;
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ui->graphicsView->ensureVisible(d_ptr->calcPageShift(), 0, 0);
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emit pageChanged(d_ptr->m_currentPage);
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}
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d_ptr->m_changingPage=false;
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}
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void PreviewReportWidget::nextPage()
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{
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d_ptr->m_changingPage=true;
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if ((!d_ptr->m_reportPages.isEmpty())&&(d_ptr->m_reportPages.count()>(d_ptr->m_currentPage))){
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d_ptr->m_currentPage++;
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ui->graphicsView->ensureVisible(d_ptr->calcPageShift(), 0, 0);
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emit pageChanged(d_ptr->m_currentPage);
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}
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d_ptr->m_changingPage=false;
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}
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void PreviewReportWidget::lastPage()
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{
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d_ptr->m_changingPage=true;
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if ((!d_ptr->m_reportPages.isEmpty())&&(d_ptr->m_reportPages.count()>(d_ptr->m_currentPage))){
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d_ptr->m_currentPage=d_ptr->m_reportPages.count();
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ui->graphicsView->ensureVisible(d_ptr->calcPageShift(), 0, 0);
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emit pageChanged(d_ptr->m_currentPage);
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}
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d_ptr->m_changingPage=false;
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}
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void PreviewReportWidget::print()
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{
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QPrinterInfo pi;
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QPrinter printer(QPrinter::HighResolution);
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if (!pi.defaultPrinter().isNull())
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#ifdef HAVE_QT4
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printer.setPrinterName(pi.defaultPrinter().printerName());
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#endif
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#ifdef HAVE_QT5
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printer.setPrinterName(pi.defaultPrinterName());
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#endif
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QPrintDialog dialog(&printer,QApplication::activeWindow());
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if (dialog.exec()==QDialog::Accepted){
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if (!d_ptr->m_reportPages.isEmpty())
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ReportEnginePrivate::printReport(
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d_ptr->m_reportPages,
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printer
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);
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foreach(PageItemDesignIntf::Ptr pageItem, d_ptr->m_reportPages){
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d_ptr->m_previewPage->reactivatePageItem(pageItem);
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}
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}
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}
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void PreviewReportWidget::printToPDF()
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{
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QString filter = "PDF (*.pdf)";
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QString fileName = QFileDialog::getSaveFileName(this,tr("PDF file name"),"","PDF (*.pdf)");
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if (!fileName.isEmpty()){
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QFileInfo fi(fileName);
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if (fi.suffix().isEmpty())
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fileName+=".pdf";
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QPrinter printer;
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printer.setOutputFileName(fileName);
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printer.setOutputFormat(QPrinter::PdfFormat);
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if (!d_ptr->m_reportPages.isEmpty()){
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ReportEnginePrivate::printReport(d_ptr->m_reportPages,printer);
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}
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foreach(PageItemDesignIntf::Ptr pageItem, d_ptr->m_reportPages){
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d_ptr->m_previewPage->reactivatePageItem(pageItem);
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}
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}
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}
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void PreviewReportWidget::pageNavigatorChanged(int value)
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{
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if (d_ptr->m_changingPage) return;
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d_ptr->m_changingPage = true;
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if ((!d_ptr->m_reportPages.isEmpty())&&(d_ptr->m_reportPages.count() >= value) && value>0){
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d_ptr->m_currentPage = value;
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ui->graphicsView->ensureVisible(d_ptr->calcPageShift(), 0, 0);
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}
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d_ptr->m_changingPage=false;
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}
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void PreviewReportWidget::saveToFile()
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{
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QString fileName = QFileDialog::getSaveFileName(this,tr("Report file name"));
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if (!fileName.isEmpty()){
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QScopedPointer< ItemsWriterIntf > writer(new XMLWriter());
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foreach (PageItemDesignIntf::Ptr page, d_ptr->m_reportPages){
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writer->putItem(page.data());
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}
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writer->saveToFile(fileName);
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}
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}
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void PreviewReportWidget::setScalePercent(int percent)
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{
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ui->graphicsView->resetMatrix();
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d_ptr->m_scalePercent = percent;
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qreal scaleSize = percent/100.0;
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ui->graphicsView->scale(scaleSize, scaleSize);
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emit scalePercentChanged(percent);
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}
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void PreviewReportWidget::fitWidth()
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{
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if (d_ptr->currentPage()){
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qreal scalePercent = ui->graphicsView->viewport()->width() / ui->graphicsView->scene()->width();
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setScalePercent(scalePercent*100);
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}
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}
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void PreviewReportWidget::fitPage()
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{
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if (d_ptr->currentPage()){
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qreal vScale = ui->graphicsView->viewport()->width() / ui->graphicsView->scene()->width();
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qreal hScale = ui->graphicsView->viewport()->height() / d_ptr->currentPage()->height();
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setScalePercent(qMin(vScale,hScale)*100);
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}
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}
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void PreviewReportWidget::setErrorMessages(const QStringList &value)
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{
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foreach (QString line, value) {
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ui->errorsView->append(line);
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}
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}
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void PreviewReportWidget::emitPageSet()
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{
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emit pagesSet(d_ptr->m_reportPages.count());
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}
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void PreviewReportWidget::refreshPages()
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{
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if (d_ptr->m_report){
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try{
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d_ptr->m_report->dataManager()->setDesignTime(false);
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ReportPages pages = d_ptr->m_report->renderToPages();
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d_ptr->m_report->dataManager()->setDesignTime(true);
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if (pages.count()>0){
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d_ptr->setPages(pages);
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}
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} catch (ReportError &exception){
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d_ptr->m_report->saveError(exception.what());
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d_ptr->m_report->showError(exception.what());
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}
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}
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}
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void PreviewReportWidget::slotSliderMoved(int value)
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{
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if (ui->graphicsView->verticalScrollBar()->minimum()==value){
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d_ptr->m_currentPage = 1;
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} else if (ui->graphicsView->verticalScrollBar()->maximum()==value){
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d_ptr->m_currentPage = d_ptr->m_reportPages.count();
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}
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if (!d_ptr->pageIsVisible()){
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if (value>d_ptr->m_priorScrolValue){
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d_ptr->m_currentPage++;
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} else {
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d_ptr->m_currentPage--;
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}
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}
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d_ptr->m_changingPage = true;
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emit pageChanged(d_ptr->m_currentPage);
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d_ptr->m_changingPage = false;
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d_ptr->m_priorScrolValue = value;
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}
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void PreviewReportWidget::reportEngineDestroyed(QObject *object)
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{
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if (object == d_ptr->m_report){
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d_ptr->m_report = 0;
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}
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}
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void PreviewReportWidget::slotZoomed(double )
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{
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d_ptr->m_scalePercent = ui->graphicsView->matrix().m11()*100;
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emit scalePercentChanged(d_ptr->m_scalePercent);
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}
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}
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