plugingui.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 "plugingui.h"

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

#include "graticulecreator.h"
#include "qgscontexthelp.h"
#include "qgslogger.h"

//standard includes
#include <iostream>

QgsGridMakerPluginGui::QgsGridMakerPluginGui(QWidget* parent, Qt::WFlags fl)
  : QDialog(parent, fl)
{
  setupUi(this);
  pbnOK = buttonBox->button(QDialogButtonBox::Ok);
  pbnOK->setEnabled(false);
}

QgsGridMakerPluginGui::~QgsGridMakerPluginGui()
{}

void QgsGridMakerPluginGui::on_buttonBox_accepted()
{
  //check input file exists
  //
  QgsLogger::debug("GrativuleCreator called with: " +
      leOutputShapeFile->text() + " " +
      leXInterval->text() + " " +
      leYInterval->text() + " " +
      leXLowerLeft->text() + " " +
      leYLowerLeft->text() + " " +
      leXUpperRight->text() + " " +
      leYUpperRight->text());

  if (leOutputShapeFile->text().isEmpty())
  {
    QMessageBox::warning( 0, tr("QGIS - Grid Maker"),
            QString(tr("Please enter the file name before pressing OK!") ));
    return;
  }


  double myXInterval =  leXInterval->text().toDouble();
  double myYInterval =  leYInterval->text().toDouble();
  double myXOrigin =  leXLowerLeft->text().toDouble();
  double myYOrigin =  leYLowerLeft->text().toDouble();
  double myEndPointX = leXUpperRight->text().toDouble();
  double myEndPointY = leYUpperRight->text().toDouble();


  if (radPoint->isChecked())
  {
    GraticuleCreator  myGraticuleCreator ( leOutputShapeFile->text());
    myGraticuleCreator.generatePointGraticule(
            myXInterval,
            myYInterval,
            myXOrigin,
            myYOrigin,
            myEndPointX,
            myEndPointY
            );
  }
  else
  {
    GraticuleCreator  myGraticuleCreator ( leOutputShapeFile->text());
    myGraticuleCreator.generatePolygonGraticule(
            myXInterval,
            myYInterval,
            myXOrigin,
            myYOrigin,
            myEndPointX,
            myEndPointY
            );
  }
  //
  // If you have a produced a raster layer using your plugin, you can ask qgis to
  // add it to the view using:
  // emit drawRasterLayer(QString("layername"));
  // or for a vector layer
  //emit drawVectorLayer(QString("pathname"),QString("layername"),QString("provider name (either ogr or postgres"));
  //

  emit drawVectorLayer(leOutputShapeFile->text(),QString("Graticule"),QString("ogr"));
  //close the dialog
  accept();
}


void QgsGridMakerPluginGui::on_pbnSelectOutputFile_clicked()
{
 QgsLogger::debug(" Gps File Importer Gui::pbnSelectOutputFile_clicked()");
  QString myOutputFileNameQString = QFileDialog::getSaveFileName(
          this,
          tr("Choose a filename to save under"),
          ".",
          tr("ESRI Shapefile (*.shp)"));

  if (myOutputFileNameQString.right(4) != ".shp")
    myOutputFileNameQString += ".shp";

  leOutputShapeFile->setText(myOutputFileNameQString);
  if ( leOutputShapeFile->text()==""  )
  {
    pbnOK->setEnabled(false);
  }
  else
  {
    pbnOK->setEnabled(true);
  }
}


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

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