quickprintgui.cpp

一个非常好的GIS开源新版本

/***************************************************************************
 *   Copyright (C) 2003 by Tim Sutton                                      *
 *   [e-mail]                                                     *
 *                                                                         *
 *   This is a plugin generated from the QGIS plugin template              *
 *                                                                         *
 *   This program 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 2 of the License, or     *
 *   (at your option) any later version.                                   *
 ***************************************************************************/
#include "quickprintgui.h"
#include <qgsquickprint.h>
#include "qgscontexthelp.h"
#include "qgsapplication.h"

//qt includes
#include <QMessageBox>
#include <QFileDialog>
#include <QSettings>
#include <QPrinter>


//standard includes

QuickPrintGui::QuickPrintGui( QgsMapCanvas * thepMapCanvas, 
    QWidget* parent,  Qt::WFlags fl )
: mpMapCanvas ( thepMapCanvas ), QDialog ( parent, fl ) 
{
  setupUi(this);
  grpOuput->hide();  //until properly implemented
  cboPageSize->addItem("A0 (841 x 1189 mm)","QPrinter::A0");
  cboPageSize->addItem("A1 (594 x 841 mm)","QPrinter::A1");
  cboPageSize->addItem("A2 (420 x 594 mm)","QPrinter::A2");
  cboPageSize->addItem("A3 (297 x 420 mm)","QPrinter::A3");
  cboPageSize->addItem("A4 (210 x 297 mm, 8.26 x 11.69 inches)","QPrinter::A4");
  cboPageSize->addItem("A5 (148 x 210 mm)","QPrinter::A5");
  cboPageSize->addItem("A6 (105 x 148 mm)","QPrinter::A6");
  cboPageSize->addItem("A7 (74 x 105 mm)","QPrinter::A7");
  cboPageSize->addItem("A8 (52 x 74 mm)","QPrinter::A8");
  cboPageSize->addItem("A9 (37 x 52 mm)","QPrinter::A9");
  cboPageSize->addItem("B0 (1030 x 1456 mm)","QPrinter::B0");
  cboPageSize->addItem("B1 (728 x 1030 mm)","QPrinter::B1");
  cboPageSize->addItem("B10 (32 x 45 mm)","QPrinter::B10");
  cboPageSize->addItem("B2 (515 x 728 mm)","QPrinter::B2");
  cboPageSize->addItem("B3 (364 x 515 mm)","QPrinter::B3");
  cboPageSize->addItem("B4 (257 x 364 mm)","QPrinter::B4");
  cboPageSize->addItem("B5 (182 x 257 mm, 7.17 x 10.13 inches)","QPrinter::B5");
  cboPageSize->addItem("B6 (128 x 182 mm)","QPrinter::B6");
  cboPageSize->addItem("B7 (91 x 128 mm)","QPrinter::B7");
  cboPageSize->addItem("B8 (64 x 91 mm)","QPrinter::B8");
  cboPageSize->addItem("B9 (45 x 64 mm)","QPrinter::B9");
  cboPageSize->addItem("C5E (163 x 229 mm)","QPrinter::C5E");
  cboPageSize->addItem("Comm10E (105 x 241 mm, U.S. Common 10 Envelope)","QPrinter::Comm10E");
  cboPageSize->addItem("DLE (110 x 220 mm)","QPrinter::DLE");
  cboPageSize->addItem("Executive (7.5 x 10 inches, 191 x 254 mm)","QPrinter::Executive");
  cboPageSize->addItem("Folio (210 x 330 mm)","QPrinter::Folio");
  cboPageSize->addItem("Ledger (432 x 279 mm)","QPrinter::Ledger");
  cboPageSize->addItem("Legal (8.5 x 14 inches, 216 x 356 mm)","QPrinter::Legal");
  cboPageSize->addItem("Letter (8.5 x 11 inches, 216 x 279 mm)","QPrinter::Letter");
  readSettings();
}  

QuickPrintGui::~QuickPrintGui()
{
}
void QuickPrintGui::readSettings()
{
  QSettings mySettings;
  leMapTitle->setText(mySettings.value("quickprint/mapTitle", "Quantum GIS").toString());
  leMapName->setText(mySettings.value("quickprint/mapName", "Quick Print").toString());
  teCopyright->setText(mySettings.value("quickprint/mapCopyright", "(c) QGIS 2008").toString());
  bool myIncrementLastFileFlag = mySettings.value("quickprint/incrementLastFile", false).toBool();
  radUseIncrementedFileName->setChecked(myIncrementLastFileFlag);

  QString myPageSize = mySettings.value("quickprint/pageSize",
            "QPrinter::A4").toString();
  cboPageSize->setCurrentIndex(cboPageSize->findData(myPageSize));
}

void QuickPrintGui::writeSettings()
{
  QSettings mySettings;
  mySettings.setValue("quickprint/mapTitle", leMapTitle->text());
  mySettings.setValue("quickprint/mapName", leMapName->text());
  mySettings.setValue("quickprint/mapCopyright", teCopyright->text());
  mySettings.setValue("quickprint/incrementLastFile", radUseIncrementedFileName->isChecked());
  mySettings.setValue("quickprint/pageSize", 
      cboPageSize->itemData(cboPageSize->currentIndex()));
}


void QuickPrintGui::on_buttonBox_accepted()
{
  writeSettings();
  QSettings mySettings;  // where we keep last used filter in persistant state
  QString myLastUsedDir = mySettings.value ( "quickprint/lastSaveAsPdfDir", "." ).toString();

  //create a file dialog
  std::auto_ptr < QFileDialog > myFileDialog
  (
    new QFileDialog (
      this,
      QFileDialog::tr ( "Save experiment report to portable document format (.pdf)" ),
      myLastUsedDir,
      tr ( "Portable Document Format (*.pdf)" )
    )
  );
  myFileDialog->setFileMode ( QFileDialog::AnyFile );
  myFileDialog->setAcceptMode ( QFileDialog::AcceptSave );

  //prompt the user for a filename
  QString myOutputFileName;
  if ( myFileDialog->exec() == QDialog::Accepted )
  {
    QStringList myFiles = myFileDialog->selectedFiles();
    if ( !myFiles.isEmpty() )
    {
      myOutputFileName = myFiles[0];
    }
  }

  if ( !myOutputFileName.isEmpty() )
  {
    if ( myFileDialog->selectedFilter() == tr ( "Portable Document Format (*.pdf)" ) )
    {
      //ensure the user never ommitted the extension from the filename
      if ( !myOutputFileName.toUpper().endsWith ( ".PDF" ) )
      {
        myOutputFileName += ".pdf";
      }

      // call plugin print method here
      QString myNorthArrowFile = QgsApplication::pkgDataPath() + "/svg/north_arrows/default.svg";
      QgsQuickPrint myQuickPrint;
      myQuickPrint.setMapCanvas(mpMapCanvas);
      myQuickPrint.setTitle(leMapTitle->text());
      myQuickPrint.setName(leMapName->text());
      myQuickPrint.setCopyright(teCopyright->text());
      myQuickPrint.setLogo1(QgsApplication::iconsPath() + "/qgis-icon.png");
      myQuickPrint.setNorthArrow(myNorthArrowFile);
      myQuickPrint.setOutputPdf(myOutputFileName);
      QString myPageSizeString = cboPageSize->itemData(cboPageSize->currentIndex()).toString();
      myQuickPrint.setPageSize(QgsQuickPrint::stringToPageSize( myPageSizeString ));
      qDebug("Page size : " + myPageSizeString.toLocal8Bit());
      myQuickPrint.printMap();
    }
    else
    {
      QMessageBox::warning ( this, tr ( "quickprint" ), tr ( "Unknown format: " ) +
            myFileDialog->selectedFilter() );
    }
    mySettings.setValue ( "quickprint/lastSaveAsPdfDir", myFileDialog->directory().absolutePath() );
  }

  //close the dialog
  accept();
} 

void QuickPrintGui::on_buttonBox_rejected()
{
  reject();
}

void QuickPrintGui::on_buttonBox_helpRequested()
{
  QgsContextHelp::run(context_id);
}