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| 5 | diffor | 1 | /* |
| 2 | * Table View Print & Preview dialog |
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| 3 | * Copyright (C) 2004-2008 by Gordos Kund / QnD Co Bt. |
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| 4 | * |
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| 5 | * This library is free software; you can redistribute it and/or |
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| 6 | * modify it under the terms of the GNU Lesser General Public |
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| 7 | * License as published by the Free Software Foundation; either |
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| 8 | * version 2.1 of the License, or (at your option) any later version. |
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| 9 | * |
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| 10 | * This library is distributed in the hope that it will be useful, |
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | * Lesser General Public License for more details. |
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| 14 | * |
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| 15 | * You should have received a copy of the GNU Lesser General Public |
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| 16 | * License along with this library; if not, write to the Free Software |
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| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 18 | * Please contact gordos.kund@gmail.com with any questions on this license. |
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| 19 | */ |
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| 20 | |||
| 21 | #include "tdpreviewdialog.h" |
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| 22 | #include <QtCore/QDebug> |
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| 23 | #include <QtGui/QTextDocument> |
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| 24 | #include <QtGui/QPageSetupDialog> |
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| 25 | #include <QtGui/QGraphicsTextItem> |
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| 26 | #include <QtGui/QHeaderView> |
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| 27 | #include <QtGui/QPainter> |
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| 28 | #include <QtCore/QTime> |
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| 29 | #include <QtGui/QPrintDialog> |
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| 30 | #include <QtCore/QRectF> |
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| 31 | |||
| 32 | |||
| 33 | TDPreviewDialog::TDPreviewDialog(QTableView *p_tableView, QPrinter * p_printer, QWidget *parent) : QDialog(parent) |
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| 34 | { |
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| 35 | //variables |
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| 36 | tableView=p_tableView; |
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| 37 | leftMargin=80; |
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| 38 | rightMargin=80; |
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| 39 | topMargin=40; |
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| 40 | bottomMargin=40; |
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| 41 | spacing=4; |
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| 42 | headerSize=60; |
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| 43 | footerSize=60; |
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| 44 | sceneZoomFactor=100; |
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| 45 | columnZoomFactor=0.65; |
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| 46 | gridMode=NoGrid; |
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| 47 | |||
| 48 | model= tableView->model(); |
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| 49 | |||
| 50 | //setup printer |
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| 51 | printer=p_printer; |
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| 52 | printer->setFullPage(true); |
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| 53 | switch (QLocale::system().country()) { |
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| 54 | case QLocale::AnyCountry: |
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| 55 | case QLocale::Canada: |
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| 56 | case QLocale::UnitedStates: |
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| 57 | case QLocale::UnitedStatesMinorOutlyingIslands: |
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| 58 | printer->setPageSize(QPrinter::Letter); |
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| 59 | break; |
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| 60 | default: |
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| 61 | printer->setPageSize(QPrinter::A4); |
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| 62 | break; |
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| 63 | } |
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| 64 | |||
| 65 | |||
| 66 | setHeaderText("Document"); |
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| 67 | footerText=trUtf8("Page: "); |
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| 68 | |||
| 69 | |||
| 70 | //get column widths |
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| 71 | for (int i=0; i<model->columnCount(); i++) { |
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| 72 | int colWidth=tableView->columnWidth(i); |
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| 73 | colSizes.append(QTextLength(QTextLength::FixedLength,colWidth)); |
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| 74 | } |
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| 75 | |||
| 76 | //title font |
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| 77 | titleFont=tableView->font(); |
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| 78 | titleFont.setPointSize(24); |
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| 79 | titleFont.setBold(false); |
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| 80 | titleFont.setUnderline(false); |
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| 81 | titleFmt =new QFontMetrics(titleFont); |
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| 82 | |||
| 83 | |||
| 84 | //header font |
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| 85 | headerFont=tableView->font(); |
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| 86 | headerFont.setBold(true); |
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| 87 | headerFont.setUnderline(true); |
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| 88 | headerFont.setPointSize(9); |
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| 89 | headerFmt =new QFontMetrics(headerFont); |
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| 90 | |||
| 91 | //normal font |
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| 92 | font=tableView->font(); |
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| 93 | headerFont.setPointSize(9); |
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| 94 | fmt =new QFontMetrics(font); |
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| 95 | |||
| 96 | |||
| 97 | QString date=QDate::currentDate().toString(QLocale().dateFormat()); |
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| 98 | QString time=QTime::currentTime().toString(QLocale().timeFormat(QLocale::ShortFormat)); |
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| 99 | headerStdText = date+" "+time; |
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| 100 | |||
| 101 | setupPage(); |
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| 102 | columnMultiplier=pageScene.width()/tableView->width()*columnZoomFactor; |
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| 103 | } |
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| 104 | |||
| 105 | //================================================================= |
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| 106 | |||
| 107 | int TDPreviewDialog::exec() |
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| 108 | { |
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| 109 | //GUI |
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| 110 | ui.setupUi(this); |
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| 111 | connect(ui.horizontalSlider, SIGNAL(valueChanged(int)), ui.pageSpinBox, SLOT(setValue(int))); |
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| 112 | connect(ui.prevToolButton, SIGNAL(clicked()), ui.pageSpinBox, SLOT(stepDown())); |
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| 113 | connect(ui.nextToolButton, SIGNAL(clicked()), ui.pageSpinBox, SLOT(stepUp())); |
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| 114 | |||
| 115 | ui.graphicsView->setScene(&pageScene); |
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| 116 | ui.graphicsView->ensureVisible(0,0,10,10); |
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| 117 | setupSpinBox(); |
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| 118 | on_pageSpinBox_valueChanged(1); |
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| 119 | return QDialog::exec(); |
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| 120 | } |
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| 121 | |||
| 122 | //================================================================= |
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| 123 | |||
| 124 | TDPreviewDialog::~TDPreviewDialog() |
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| 125 | {} |
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| 126 | |||
| 127 | //================================================================= |
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| 128 | |||
| 129 | void TDPreviewDialog::on_setupToolButton_clicked() |
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| 130 | { |
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| 131 | QPageSetupDialog *dialog; |
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| 132 | dialog = new QPageSetupDialog(printer, this); |
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| 133 | if (dialog->exec() == QDialog::Rejected) { |
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| 134 | return; |
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| 135 | } |
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| 136 | setupPage(); |
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| 137 | on_pageSpinBox_valueChanged(1); |
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| 138 | setupSpinBox(); |
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| 139 | } |
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| 140 | |||
| 141 | //================================================================= |
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| 142 | |||
| 143 | void TDPreviewDialog::on_zoomInToolButton_clicked() |
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| 144 | { |
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| 145 | ui.graphicsView->scale(1.5,1.5); |
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| 146 | } |
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| 147 | |||
| 148 | //================================================================= |
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| 149 | |||
| 150 | void TDPreviewDialog::on_zoomOutToolButton_clicked() |
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| 151 | { |
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| 152 | ui.graphicsView->scale(1 / 1.5, 1 / 1.5); |
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| 153 | } |
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| 154 | |||
| 155 | //================================================================= |
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| 156 | |||
| 157 | void TDPreviewDialog::on_pageSpinBox_valueChanged(int value) |
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| 158 | { |
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| 159 | paintPage(value); |
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| 160 | pageScene.addRect(0,0,pageScene.width(),pageScene.height(),QPen(Qt::black, 2.0)); |
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| 161 | } |
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| 162 | |||
| 163 | //================================================================= |
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| 164 | |||
| 165 | void TDPreviewDialog::setupSpinBox() |
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| 166 | { |
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| 167 | ui.pageSpinBox->setPrefix(QString::number(pages)+" / "); |
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| 168 | ui.pageSpinBox->setMaximum(pages); |
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| 169 | ui.horizontalSlider->setMaximum(pages); |
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| 170 | } |
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| 171 | |||
| 172 | //================================================================= |
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| 173 | |||
| 174 | void TDPreviewDialog::setupPage() |
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| 175 | { |
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| 176 | rowHeight=font.pointSize()+spacing; |
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| 177 | QRectF rect=printer->paperRect(); |
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| 178 | QRectF rectNew = QRectF(0,0,rect.width() / printer->logicalDpiX() * sceneZoomFactor, rect.height() / printer->logicalDpiY() * sceneZoomFactor); |
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| 179 | pageScene.setSceneRect(rectNew); |
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| 180 | |||
| 181 | //count lines |
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| 182 | lines = ((pageScene.height()-topMargin-bottomMargin-headerSize-footerSize)/rowHeight)-3; |
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| 183 | |||
| 184 | //count pages |
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| 185 | QAbstractItemModel *model= tableView->model(); |
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| 186 | int rowCount=model->rowCount(); |
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| 187 | double div = rowCount / lines; |
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| 188 | int modulo = rowCount % lines; |
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| 189 | if (modulo == 0 ) { |
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| 190 | pages = QVariant(div).toInt(); |
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| 191 | } else { |
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| 192 | div = div+1.0; |
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| 193 | pages = QVariant(div).toInt(); |
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| 194 | } |
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| 195 | } |
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| 196 | |||
| 197 | //================================================================= |
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| 198 | |||
| 199 | void TDPreviewDialog::setHeaderText(const QString &text) |
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| 200 | { |
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| 201 | headerText=text; |
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| 202 | } |
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| 203 | |||
| 204 | //================================================================= |
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| 205 | |||
| 206 | void TDPreviewDialog::print() |
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| 207 | { |
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| 208 | //printDialog |
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| 209 | printer->setFromTo(1,pages); |
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| 210 | printer->setOutputFormat(QPrinter::NativeFormat); |
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| 211 | printer->setOutputFileName(""); |
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| 212 | QPrintDialog dialog(printer, this); |
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| 213 | dialog.setWindowTitle("Print Document"); |
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| 214 | if (dialog.exec() == QDialog::Rejected) { |
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| 215 | return; |
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| 216 | } |
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| 217 | setupPage(); |
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| 218 | |||
| 219 | |||
| 220 | // get num copies |
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| 221 | int doccopies; |
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| 222 | int pagecopies; |
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| 223 | if (printer->collateCopies()) { |
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| 224 | doccopies = 1; |
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| 225 | pagecopies = printer->numCopies(); |
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| 226 | } else { |
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| 227 | doccopies = printer->numCopies(); |
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| 228 | pagecopies = 1; |
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| 229 | } |
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| 230 | |||
| 231 | // get page range |
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| 232 | int firstpage = printer->fromPage(); |
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| 233 | int lastpage = printer->toPage(); |
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| 234 | if (firstpage == 0 && lastpage == 0) { // all pages |
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| 235 | firstpage = 1; |
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| 236 | lastpage =pages; |
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| 237 | } |
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| 238 | |||
| 239 | // print order |
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| 240 | bool ascending = true; |
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| 241 | if (printer->pageOrder() == QPrinter::LastPageFirst) { |
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| 242 | int tmp = firstpage; |
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| 243 | firstpage = lastpage; |
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| 244 | lastpage = tmp; |
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| 245 | ascending = false; |
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| 246 | } |
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| 247 | |||
| 248 | // loop through and print pages |
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| 249 | QPainter painter(printer); |
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| 250 | for (int dc=0; dc<doccopies; dc++) { |
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| 251 | int pagenum = firstpage; |
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| 252 | while (true) { |
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| 253 | for (int pc=0; pc<pagecopies; pc++) { |
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| 254 | if (printer->printerState() == QPrinter::Aborted || |
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| 255 | printer->printerState() == QPrinter::Error) { |
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| 256 | break; |
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| 257 | } |
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| 258 | // print page |
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| 259 | paintPage(pagenum); |
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| 260 | pageScene.render(&painter); |
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| 261 | if (pc < pagecopies-1) printer->newPage(); |
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| 262 | } |
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| 263 | if (pagenum == lastpage) break; |
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| 264 | if (ascending) { |
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| 265 | pagenum++; |
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| 266 | } else { |
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| 267 | pagenum--; |
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| 268 | } |
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| 269 | printer->newPage(); |
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| 270 | } |
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| 271 | |||
| 272 | if (dc < doccopies-1) printer->newPage(); |
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| 273 | } |
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| 274 | |||
| 275 | } |
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| 276 | |||
| 277 | //================================================================= |
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| 278 | |||
| 279 | void TDPreviewDialog::exportPdf(const QString &filename) |
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| 280 | { |
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| 281 | // file save dialog |
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| 282 | QString dialogcaption = "Export PDF"; |
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| 283 | QString exportname = QFileDialog::getSaveFileName(this, dialogcaption, filename, "*.pdf"); |
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| 284 | if (exportname.isEmpty()) return; |
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| 285 | if (QFileInfo(exportname).suffix().isEmpty()) |
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| 286 | exportname.append(".pdf"); |
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| 287 | |||
| 288 | // setup printer |
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| 289 | printer->setOutputFormat(QPrinter::PdfFormat); |
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| 290 | printer->setOutputFileName(exportname); |
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| 291 | |||
| 292 | // print pdf |
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| 293 | QPainter painter(printer); |
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| 294 | for (int pagenum=1; pagenum<=pages; pagenum++) { |
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| 295 | paintPage(pagenum); |
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| 296 | pageScene.render(&painter); |
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| 297 | if (pagenum < pages) { |
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| 298 | printer->newPage(); |
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| 299 | } |
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| 300 | } |
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| 301 | } |
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| 302 | |||
| 303 | //================================================================= |
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| 304 | |||
| 305 | void TDPreviewDialog::paintPage(int pagenum) |
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| 306 | { |
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| 307 | //Delete all |
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| 308 | QList<QGraphicsItem*> L = pageScene.items(); |
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| 309 | while ( ! L.empty() ) { |
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| 310 | pageScene.removeItem( L.first() ); |
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| 311 | delete L.first(); |
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| 312 | L.removeFirst(); |
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| 313 | } |
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| 314 | |||
| 315 | //Table header |
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| 316 | int csize=0; |
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| 317 | for (int i=0; i<model->columnCount(); i++) { |
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| 318 | int logicalIndex=tableView->horizontalHeader()->logicalIndex(i); |
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| 319 | QString txt = model->headerData(logicalIndex,Qt::Horizontal,Qt::DisplayRole).toString(); |
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| 320 | QGraphicsTextItem *item=new QGraphicsTextItem(); |
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| 321 | item->setFont(headerFont); |
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| 322 | txt=headerFmt->elidedText(txt,Qt::ElideRight,QVariant(colSizes[logicalIndex].rawValue()).toInt()-8); |
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| 323 | item->setPlainText(txt); |
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| 324 | //item->moveBy((csize*columnMultiplier)+leftMargin,topMargin+headerSize+(spacing*2)); |
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| 325 | item->moveBy(csize+leftMargin,topMargin+headerSize+(spacing*2)); |
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| 326 | csize=csize+QVariant(colSizes[logicalIndex].rawValue()).toInt(); |
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| 327 | pageScene.addItem(item); |
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| 328 | } |
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| 329 | |||
| 330 | //Table rows |
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| 331 | qreal dx,dy; |
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| 332 | QPen pen(Qt::gray, 1); |
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| 333 | QBrush brush(Qt::gray,Qt::SolidPattern); |
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| 334 | int borderAdjust=rowHeight / 5; |
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| 335 | |||
| 336 | for (int i=0; i<lines; i++) { |
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| 337 | csize=0; |
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| 338 | dy=(i*rowHeight)+topMargin+headerSize+(rowHeight*2); |
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| 339 | int modelIdxY=(pagenum-1)*lines+i; |
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| 340 | if (modelIdxY>=model->rowCount()) { |
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| 341 | break; |
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| 342 | } |
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| 343 | |||
| 344 | for (int j=0; j<model->columnCount(); j++) { |
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| 345 | int logicalIndex=tableView->horizontalHeader()->logicalIndex(j); |
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| 346 | int actColSize=QVariant(colSizes[logicalIndex].rawValue()).toInt(); |
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| 347 | QString txt = model->data(model->index(modelIdxY,logicalIndex)).toString(); |
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| 348 | QGraphicsTextItem *item=new QGraphicsTextItem(); |
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| 349 | item->setFont(font); |
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| 350 | txt=fmt->elidedText(txt,Qt::ElideRight,actColSize-8); |
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| 351 | item->setPlainText(txt); |
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| 352 | //qreal dx=(csize*columnMultiplier)+leftMargin; |
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| 353 | dx=csize+leftMargin; |
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| 354 | item->moveBy(dx,dy); |
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| 355 | |||
| 356 | //rectangle |
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| 357 | if (gridMode==NormalGrid || gridMode==AlternateWithGrid) { |
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| 358 | pageScene.addRect(dx,dy+borderAdjust,actColSize,rowHeight); |
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| 359 | } |
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| 360 | pageScene.addItem(item); |
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| 361 | csize=csize+actColSize; |
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| 362 | } |
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| 363 | |||
| 364 | if (gridMode==AlternateColor || gridMode==AlternateWithGrid) { |
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| 365 | |||
| 366 | int modulo=i % 2; |
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| 367 | if (modulo==0) { |
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| 368 | //rectangle grey |
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| 369 | QGraphicsRectItem *rItem=pageScene.addRect(leftMargin,dy+borderAdjust,csize,rowHeight,pen,brush); |
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| 370 | rItem->setZValue(-1); |
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| 371 | } |
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| 372 | } |
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| 373 | |||
| 374 | } |
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| 375 | |||
| 376 | // Page header |
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| 377 | if (headerSize > 0) { |
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| 378 | //line |
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| 379 | pageScene.addLine(leftMargin,headerSize+topMargin,pageScene.width()-rightMargin, headerSize+topMargin,QPen(Qt::black, 1.0)); |
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| 380 | |||
| 381 | //tile |
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| 382 | QGraphicsTextItem *titleItem=new QGraphicsTextItem(); |
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| 383 | titleItem->setFont(titleFont); |
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| 384 | titleItem->setPlainText(headerText); |
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| 385 | int titleWidth=titleFmt->width(headerText); |
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| 386 | double xpos=(pageScene.width()/2)-(titleWidth/2); |
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| 387 | double ypos=(headerSize/2)-(titleFmt->height()/2); |
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| 388 | titleItem->moveBy(xpos,ypos+topMargin); |
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| 389 | pageScene.addItem(titleItem); |
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| 390 | |||
| 391 | //std text |
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| 392 | QGraphicsTextItem *item=new QGraphicsTextItem(); |
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| 393 | item->setFont(font); |
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| 394 | item->setPlainText(headerStdText); |
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| 395 | item->moveBy(leftMargin,headerSize-rowHeight-spacing+topMargin); |
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| 396 | pageScene.addItem(item); |
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| 397 | } |
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| 398 | |||
| 399 | // footer |
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| 400 | if (footerSize > 0) { |
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| 401 | pageScene.addLine(leftMargin,pageScene.height()-footerSize-bottomMargin,pageScene.width()-rightMargin, pageScene.height()-footerSize-bottomMargin,QPen(Qt::black, 1.0)); |
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| 402 | QGraphicsTextItem *item=new QGraphicsTextItem(); |
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| 403 | item->setFont(font); |
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| 404 | item->setPlainText(footerText+QString::number(pages)+" / "+QString::number(pagenum)); |
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| 405 | item->moveBy(leftMargin,pageScene.height()-footerSize-bottomMargin+spacing); |
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| 406 | pageScene.addItem(item); |
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| 407 | } |
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| 408 | //pageScene.update(); |
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| 409 | } |
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| 410 | |||
| 411 | //================================================================= |
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| 412 | |||
| 413 | void TDPreviewDialog::setGridMode(Grids _gridMode) |
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| 414 | { |
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| 415 | gridMode=_gridMode; |
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| 416 | } |