Allevo II Doublebookkeeping: printing.cpp Source File

00001 #include "printing.h"
00002 #include "../Data/project.h"
00003 #include "../Data/dataexercise.h"
00004 #include "../Data/dataproject.h"
00005 #include "../Models/exercisemodel.h"
00006 #include "../Models/accountmodel.h"
00007 #include "../Views/descriptionwidget.h"
00008 #include "../Views/accountingrecordwidget.h"
00009 #include "../Views/piechartview.h"
00010 #include "../Data/settings.h"
00011 #include <QLayout>
00012 #include <QTableWidget>
00013 #include <QHeaderView>
00014 
00015 Printing::Printing(QPrinter *printer, Settings &settings, ExerciseModel *model, DataProject *project, AccountModel *table, QObject *parent) : QObject(parent)
00016 {
00017     //Constructor data
00018     p_project = project;
00019     p_printer = printer;
00020     p_printer->setOutputFormat(QPrinter::NativeFormat);
00021 
00022     this->settings = &settings;
00023 
00024     p_model = model;
00025     p_table = table;
00026 
00027     //Printingvalues
00028     leftMargin = 40;
00029     leftMarginExercise = 50;
00030     rightMargin = 40;
00031     topMargin = 40;
00032     bottomMargin = 40;
00033     spacing = 4;
00034     headerSize = 60;
00035     footerSize = 60;
00036     sceneZoomFactor = 100;
00037 
00038     //Chapter title font
00039     chapterTitleFont = QFont();
00040     chapterTitleFont.setPointSize(16);
00041     chapterTitleFont.setBold(true);
00042     chapterTitleFont.setUnderline(true);
00043     titleFmt = new QFontMetrics(chapterTitleFont);
00044 
00045     //exercise title font
00046     exerciseTitleFont = QFont();
00047     exerciseTitleFont.setBold(true);
00048     exerciseTitleFont.setUnderline(false);
00049     exerciseTitleFont.setPointSize(14);
00050 
00051     //normal font
00052     font = QFont();
00053     exerciseTitleFont.setPointSize(11);
00054 
00055     headerText = Project::name();
00056 }
00057 
00058 //Preparing the page(QGraphicsScene) for painting
00059 void Printing::setupPage(QGraphicsScene *pageScene)
00060 {
00061     rowHeight = font.pointSize() + spacing;
00062     QRectF rect=p_printer->paperRect();
00063     QRectF rectNew = QRectF(0,0,rect.width() / p_printer->logicalDpiX() * sceneZoomFactor, rect.height() / p_printer->logicalDpiY() * sceneZoomFactor);
00064     pageScene->setSceneRect(rectNew);
00065 
00066     //line on the top of the page
00067     pageScene->addLine(leftMargin,headerSize+topMargin,pageScene->width()-rightMargin, headerSize+topMargin,QPen(Qt::black, 1.0));
00068 
00069     //title (projecttitle)
00070     QGraphicsTextItem *titleItem=new QGraphicsTextItem();
00071     titleItem->setFont(projectTitleFont);
00072     titleItem->setPlainText(headerText);
00073     int titleWidth=titleFmt->width(headerText);
00074     double xpos=(pageScene->width()/2)-(titleWidth/2);
00075     double ypos=(headerSize/2)-(titleFmt->height()/2);
00076     titleItem->moveBy(xpos,ypos+topMargin);
00077     pageScene->addItem(titleItem);
00078 
00079     //date time
00080     QString date=QDate::currentDate().toString(QLocale().dateFormat());
00081     QString time=QTime::currentTime().toString(QLocale().timeFormat(QLocale::ShortFormat));
00082     QString mergedDateTime = date + "  " + time;
00083     QGraphicsTextItem *item = new QGraphicsTextItem();
00084     item->setFont(font);
00085     item->setPlainText(mergedDateTime);
00086     item->moveBy(leftMargin,headerSize-rowHeight-spacing+topMargin);
00087     pageScene->addItem(item);
00088 }
00089 
00090 void Printing::print()
00091 {
00092     QPrintDialog dialog(p_printer, NULL);
00093 
00094     if (dialog.exec() == QDialog::Rejected)
00095     {
00096         return;
00097     }
00098     else
00099     {
00100         QPainter p_painter(p_printer);
00101         p_painter.setRenderHint(QPainter::HighQualityAntialiasing, true);
00102         for(int k = 0; k < p_printer->numCopies(); k++)
00103         {
00104             for(int i = 0;i < pageSceneList.count(); i++)
00105             {
00106                 pageSceneList.value(i)->render(&p_painter);
00107                 p_printer->newPage();
00108             }
00109         }
00110     }
00111 }
00112 
00113 void Printing::paintPage(bool placeForSolution, bool extraPageForSolution)
00114 {
00115     if(pageSceneList.count() != 0)
00116     {
00117         pageSceneList.clear();
00118     }
00119 
00120     //Printing loop
00121     QString chapterTitle, exerciseTitle;
00122     int space = 30;
00123     QModelIndex currentChapterIndex = p_model->index(0, 0, QModelIndex());
00124     for(int i = 0; currentChapterIndex.isValid(); i++)
00125     {
00126         QModelIndex currentExerciseIndex = p_model->index(0,0, currentChapterIndex);
00127         for(int j = 0; currentExerciseIndex.isValid(); j++)
00128         {
00129             if(p_model->data(currentExerciseIndex, Qt::CheckStateRole).toBool())
00130             {
00131                 QGraphicsScene *p_pageScene = new QGraphicsScene();
00132                 setupPage(p_pageScene);
00133 
00134                 chapterTitle = currentChapterIndex.data(0).toString();
00135                 //Print chapter title
00136                 QGraphicsTextItem *chapterTitleItem = new QGraphicsTextItem();
00137                 chapterTitleItem->setFont(chapterTitleFont);
00138                 chapterTitleItem->setPlainText(chapterTitle);
00139                 chapterTitleItem->moveBy(leftMargin, headerSize-rowHeight-spacing+topMargin+space);
00140                 p_pageScene->addItem(chapterTitleItem);
00141                 space += 40;
00142 
00143                 //Print exercise title
00144                 exerciseTitle = currentExerciseIndex.data(0).toString();
00145                 QGraphicsTextItem *exerciseTitleItem = new QGraphicsTextItem();
00146                 exerciseTitleItem->setFont(exerciseTitleFont);
00147                 exerciseTitleItem->setPlainText(exerciseTitle);
00148                 exerciseTitleItem->moveBy(leftMarginExercise, headerSize-rowHeight-spacing+topMargin+space);
00149                 p_pageScene->addItem(exerciseTitleItem);
00150                 space += 30;
00151 
00152                 //Get Exercise
00153                 qDebug()<<"Chapter: "<<chapterTitle<<" Exercise: "<<exerciseTitle;
00154                 DataExercise *currentExercise = p_project->exercise(chapterTitle, exerciseTitle);
00155 
00156                 //setMaximumWidth for Exercises
00157                 int maximumWidthExercise = (int)p_pageScene->width()-rightMargin-leftMarginExercise;
00158 
00159                 //Print Description (Widget)
00160                 DescriptionWidget *descriptionWidget = new DescriptionWidget();
00161                 descriptionWidget->createWidgetForPupil(currentExercise);
00162                 descriptionWidget->setMaximumWidth(maximumWidthExercise);
00163 
00164                 QGraphicsProxyWidget *proxy = p_pageScene->addWidget(descriptionWidget);
00165                 proxy->setPos(leftMarginExercise, headerSize-rowHeight-spacing+topMargin+space);
00166                 QSizeF size = proxy->size();
00167                 space += (int)size.height() + 20;
00168 
00169                 if(placeForSolution)
00170                 {
00171                     QGraphicsTextItem *emptySolutionItem = new QGraphicsTextItem();
00172                     emptySolutionItem->setFont(font);
00173                     emptySolutionItem->moveBy(leftMarginExercise, headerSize-rowHeight-spacing+topMargin+space);
00174                     p_pageScene->addItem(emptySolutionItem);
00175                     space += 100;
00176                 }
00177                 else
00178                 {
00179                     if(currentExercise->accountingRecords()->size() > 0)
00180                     {
00181                         //Print Accounting Record (Widget)
00182                         AccountingRecordWidget *accountingRecordWidget = new AccountingRecordWidget();
00183                         accountingRecordWidget->setSettings(settings);
00184                         accountingRecordWidget->makeWidgetForPrinter(p_table, currentExercise, true);
00185 
00186                         QGraphicsProxyWidget *proxya = p_pageScene->addWidget(accountingRecordWidget);
00187                         proxya->setPos(leftMarginExercise, headerSize-rowHeight-spacing+topMargin+space);
00188                         size = proxya->size();
00189                         space  += (int)size.height() + 20;
00190                     }
00191                 }
00192 
00193                 if(!extraPageForSolution)
00194                 {
00195                     if(currentExercise->solutionRecords()->size() > 0)
00196                     {
00197                         //Print "Lösung: " title
00198                         QGraphicsTextItem *titleItem = new QGraphicsTextItem();
00199                         titleItem->setFont(font);
00200                         titleItem->setPlainText("Lösung: ");
00201                         titleItem->moveBy(leftMarginExercise, headerSize-rowHeight-spacing+topMargin+space);
00202                         p_pageScene->addItem(titleItem);
00203                         space += 30;
00204 
00205                         //Print Accounting Solution (Widget)
00206                         AccountingRecordWidget *accountingRecordWidgets = new AccountingRecordWidget();
00207                         accountingRecordWidgets->setSettings(settings);
00208                         accountingRecordWidgets->makeWidgetForPrinter(p_table, currentExercise, false);
00209 
00210                         QGraphicsProxyWidget *proxyas = p_pageScene->addWidget(accountingRecordWidgets);
00211                         proxyas->setPos(leftMarginExercise, headerSize-rowHeight-spacing+topMargin+space);
00212                         size = proxyas->size();
00213                         space  += (int)size.height() + 20;
00214                     }
00215                 }
00216                 pageSceneList.append(p_pageScene);
00217             }
00218             //Increasing exercise index
00219             currentExerciseIndex = p_model->index(j+1, 0, currentChapterIndex);
00220             space = 30;
00221         }
00222         //Increasing chapter index
00223         currentChapterIndex = p_model->index(i+1, 0, QModelIndex());
00224     }
00225     if(extraPageForSolution)
00226     {
00227         paintExtraPageForSolution();
00228     }
00229 }
00230 
00231 void Printing::paintFooter()
00232 {
00233     for(int i = 0;i < pageSceneList.count(); i++)
00234     {
00235         pageSceneList.value(i)->addLine(leftMargin,pageSceneList.value(i)->height()-footerSize-bottomMargin,pageSceneList.value(i)->width()-rightMargin, pageSceneList.value(i)->height()-footerSize-bottomMargin,QPen(Qt::black, 1.0));
00236         QGraphicsTextItem *item=new QGraphicsTextItem();
00237         item->setFont(font);
00238 
00239         item->setPlainText(QString::number(i+1) + "/" + QString::number(pageSceneList.count()));
00240         item->moveBy(leftMargin,pageSceneList.value(i)->height()-footerSize-bottomMargin+spacing);
00241         pageSceneList.value(i)->addItem(item);
00242     }
00243 }
00244 
00245 QGraphicsScene* Printing::pageScene(int nr)
00246 {
00247     return pageSceneList.value(nr);
00248 }
00249 
00250 void Printing::paintIntroPage()
00251 {
00252     QString owner = Project::ownerName();
00253     QString description = Project::description();
00254     QString mailaddy = Project::ownerEmail();
00255     QDateTime datecreation = Project::dateCreation();
00256     QDateTime datemodification = Project::dateModified();
00257     QGraphicsScene *p_pageScene = new QGraphicsScene();
00258 
00259     setupPage(p_pageScene);
00260 
00261     //title
00262     QGraphicsTextItem *titleItem = new QGraphicsTextItem();
00263     titleItem->setFont(chapterTitleFont);
00264     titleItem->setPlainText(headerText);
00265     titleItem->moveBy(leftMargin,130);
00266     p_pageScene->addItem(titleItem);
00267 
00268     //owner text
00269     QGraphicsTextItem *ownerItem = new QGraphicsTextItem();
00270     ownerItem->setFont(exerciseTitleFont);
00271     ownerItem->setPlainText("Besitzer: " + owner);
00272     ownerItem->moveBy(leftMargin,170);
00273     p_pageScene->addItem(ownerItem);
00274 
00275     //description headline
00276     QGraphicsTextItem *descItem = new QGraphicsTextItem();
00277     descItem->setFont(exerciseTitleFont);
00278     descItem->setPlainText("Allgemeine Informationen zum Dokument");
00279     descItem->moveBy(leftMargin,280);
00280     p_pageScene->addItem(descItem);
00281 
00282     //description text
00283     QGraphicsTextItem *descriptionItem = new QGraphicsTextItem();
00284     descriptionItem->setFont(font);
00285     descriptionItem->setPlainText(description);
00286     descriptionItem->moveBy(leftMargin,300);
00287     p_pageScene->addItem(descriptionItem);
00288 
00289     // state of the exercise
00290     QGraphicsTextItem *resultItem = new QGraphicsTextItem();
00291     resultItem->setFont(exerciseTitleFont);
00292     resultItem->setPlainText("Status der Übung");
00293     resultItem->moveBy(leftMargin, 375);
00294     p_pageScene->addItem(resultItem);
00295 
00296     // todo: check if it's a dbka or dbku file
00297 
00298     //Piechart
00299     PieChartView *piechart = new PieChartView();
00300     piechart->setModel(p_model);
00301     piechart->setFrameShape(QFrame::NoFrame);
00302     QGraphicsProxyWidget *proxy = p_pageScene->addWidget(piechart);
00303     proxy->setPos(leftMargin, 400);
00304     qreal pieChartHeight = proxy->size().height();
00305 
00306     // Status of the exercise
00307     if(!settings->teacher())
00308     {
00309         // student mode
00310         QList<int> items = piechart->aggregateItemList();
00311         qDebug()<<"items: " << items;
00312         QTableWidget *states = new QTableWidget();
00313         states->setFrameShape(QFrame::NoFrame);
00314         states->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
00315 
00316         states->insertColumn(0);
00317         QStringList hheader;
00318         hheader<<"Anzahl";
00319         states->setHorizontalHeaderLabels(hheader);
00320 
00321         states->insertRow(0);
00322         states->insertRow(0);
00323         states->insertRow(0);
00324 
00325         QTableWidgetItem *vitem1 = new QTableWidgetItem("Richtig");
00326         vitem1->setIcon(QIcon(":/misc/Correct"));
00327         vitem1->setFlags(Qt::NoItemFlags);
00328         states->setVerticalHeaderItem(0, vitem1);
00329 
00330         QTableWidgetItem *vitem2 = new QTableWidgetItem("Falsch");
00331         vitem2->setIcon(QIcon(":/misc/Wrong"));
00332         vitem2->setFlags(Qt::NoItemFlags);
00333         states->setVerticalHeaderItem(1, vitem2);
00334 
00335         QTableWidgetItem *vitem3 = new QTableWidgetItem("Unvollständig");
00336         vitem3->setIcon(QIcon(":/misc/Incomplete"));
00337         vitem3->setFlags(Qt::NoItemFlags);
00338         states->setVerticalHeaderItem(2, vitem3);
00339 
00340         states->verticalHeader()->setIconSize(QSize(24,24));
00341 
00342         for(int i = 0; i < items.count(); i++)
00343         {
00344             int item = items.value(i);
00345             QTableWidgetItem *tab = new QTableWidgetItem(QString::number(item));
00346             tab->setFlags(Qt::NoItemFlags);
00347             states->setItem(0, i, tab);
00348         }
00349         QGraphicsProxyWidget *table = p_pageScene->addWidget(states);
00350         table->setPos(leftMargin, 400 + pieChartHeight + 20);
00351     }
00352 
00353     //mailaddy text
00354     QGraphicsTextItem *mailItem = new QGraphicsTextItem();
00355     mailItem->setFont(font);
00356     mailItem->setPlainText("Mailadresse: " + mailaddy);
00357     mailItem->moveBy(leftMargin, 1000);
00358     p_pageScene->addItem(mailItem);
00359 
00360     //datecreation text
00361     QGraphicsTextItem *dateCreationItem = new QGraphicsTextItem();
00362     dateCreationItem->setFont(font);
00363     dateCreationItem->setPlainText("Erstelldatum: " + datecreation.toString());
00364     dateCreationItem->moveBy(leftMargin,1020);
00365     p_pageScene->addItem(dateCreationItem);
00366 
00367     //datemodification text
00368     QGraphicsTextItem *dateModificationItem = new QGraphicsTextItem();
00369     dateModificationItem->setFont(font);
00370     dateModificationItem->setPlainText("Änderdatum: " + datemodification.toString());
00371     dateModificationItem->moveBy(leftMargin,1040);
00372     p_pageScene->addItem(dateModificationItem);
00373 
00374 
00375 
00376     pageSceneList.insert(0,p_pageScene);
00377 }
00378 
00379 void Printing::paintExtraPageForSolution()
00380 {
00381     //Printing loop
00382     int space = 30;
00383     QString chapterTitle, exerciseTitle;
00384     QModelIndex currentChapterIndex = p_model->index(0, 0, QModelIndex());
00385     for(int i = 0; currentChapterIndex.isValid(); i++)
00386     {
00387         QModelIndex currentExerciseIndex = p_model->index(0,0, currentChapterIndex);
00388         for(int j = 0; currentExerciseIndex.isValid(); j++)
00389         {
00390             if(p_model->data(currentExerciseIndex, Qt::CheckStateRole).toBool())
00391             {
00392                 QGraphicsScene *p_pageScene = new QGraphicsScene();
00393                 setupPage(p_pageScene);
00394 
00395                 chapterTitle = currentChapterIndex.data(0).toString();
00396                 //Print chapter title
00397                 QGraphicsTextItem *chapterTitleItem = new QGraphicsTextItem();
00398                 chapterTitleItem->setFont(chapterTitleFont);
00399                 chapterTitleItem->setPlainText(chapterTitle);
00400                 chapterTitleItem->moveBy(leftMargin, headerSize-rowHeight-spacing+topMargin+space);
00401                 p_pageScene->addItem(chapterTitleItem);
00402                 space += 40;
00403 
00404                 //Print exercise title
00405                 exerciseTitle = currentExerciseIndex.data(0).toString();
00406                 QGraphicsTextItem *exerciseTitleItem = new QGraphicsTextItem();
00407                 exerciseTitleItem->setFont(exerciseTitleFont);
00408                 exerciseTitleItem->setPlainText(exerciseTitle);
00409                 exerciseTitleItem->moveBy(leftMarginExercise, headerSize-rowHeight-spacing+topMargin+space);
00410                 p_pageScene->addItem(exerciseTitleItem);
00411                 space += 30;
00412 
00413                 //Get Exercise
00414                 qDebug()<<"Chapter: "<<chapterTitle<<" Exercise: "<<exerciseTitle;
00415                 DataExercise *currentExercise = p_project->exercise(chapterTitle, exerciseTitle);
00416 
00417 
00418                 if(currentExercise->solutionRecords()->size() > 0)
00419                 {
00420                     //Print "Lösung: " title
00421                     QGraphicsTextItem *titleItem = new QGraphicsTextItem();
00422                     titleItem->setFont(font);
00423                     titleItem->setPlainText("Lösung: ");
00424                     titleItem->moveBy(leftMarginExercise, headerSize-rowHeight-spacing+topMargin+space);
00425                     p_pageScene->addItem(titleItem);
00426                     space += 30;
00427 
00428                     //setMaximumWidth for Exercises
00429                     int maximumWidthExercise = (int)p_pageScene->width()-rightMargin-leftMarginExercise;
00430 
00431                     //Print Accounting Solution (Widget)
00432                     AccountingRecordWidget *accountingRecordWidgets = new AccountingRecordWidget();
00433                     accountingRecordWidgets->setSettings(settings);
00434                     accountingRecordWidgets->makeWidgetForPrinter(p_table, currentExercise, false);
00435 
00436                     QGraphicsProxyWidget *proxyas = p_pageScene->addWidget(accountingRecordWidgets);
00437                     proxyas->setPos(leftMarginExercise, headerSize-rowHeight-spacing+topMargin+space);
00438                     QSizeF size = proxyas->size();
00439                     space  += (int)size.height() + 20;
00440                 }
00441                 pageSceneList.append(p_pageScene);
00442             }
00443             //Increasing exercise index
00444             currentExerciseIndex = p_model->index(j+1, 0, currentChapterIndex);
00445             space = 30;
00446         }
00447         //Increasing chapter index
00448         currentChapterIndex = p_model->index(i+1, 0, QModelIndex());
00449     }
00450 }
00451 
00452 int Printing::pageCount()
00453 {
00454     return pageSceneList.count();
00455 }