qgsgpsdevicedialog.cpp

一个非常好的GIS开源新版本

/***************************************************************************
 *   Copyright (C) 2004 by Lars Luthman
 *   [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 "qgsgpsdevicedialog.h"
#include "qgisgui.h"

#include <iostream>

#include <QMessageBox>
#include <QSettings>


QgsGPSDeviceDialog::QgsGPSDeviceDialog(std::map<QString, QgsGPSDevice*>& 
				       devices) : 
  QDialog(0, QgisGui::ModalDialogFlags), mDevices(devices)
  
{
  setupUi(this);
  // Manually set the relative size of the two main parts of the
  // device dialog box. 
  QList<int> split;
  split.append(120);
  split.append(340);
  splitter->setSizes(split);

  QObject::connect(lbDeviceList, SIGNAL(currentItemChanged(QListWidgetItem*, QListWidgetItem*)), 
		   this, SLOT(slotSelectionChanged(QListWidgetItem*)));
  slotUpdateDeviceList();
}


void QgsGPSDeviceDialog::on_pbnNewDevice_clicked() {
  std::map<QString, QgsGPSDevice*>::const_iterator iter = mDevices.begin();
  QString deviceName = tr("New device %1");
  int i = 1;
  for (; iter != mDevices.end(); ++i)
    iter = mDevices.find(deviceName.arg(i));
  deviceName = deviceName.arg(i - 1);
  mDevices[deviceName] = new QgsGPSDevice;
  writeDeviceSettings();
  slotUpdateDeviceList(deviceName);
  emit devicesChanged();
}


void QgsGPSDeviceDialog::on_pbnDeleteDevice_clicked() {
  if (QMessageBox::warning(this, tr("Are you sure?"), 
		   tr("Are you sure that you want to delete this device?"),
       QMessageBox::Ok | QMessageBox::Cancel) == QMessageBox::Ok) {

    std::map<QString, QgsGPSDevice*>::iterator iter = 
      mDevices.find(lbDeviceList->currentItem()->text());
    if (iter != mDevices.end())
    {
      delete iter->second;
      mDevices.erase(iter);
      writeDeviceSettings();
      slotUpdateDeviceList();
      emit devicesChanged();
    }
  }
}


void QgsGPSDeviceDialog::on_pbnUpdateDevice_clicked() {
  if (lbDeviceList->count() > 0)
  {
    std::map<QString, QgsGPSDevice*>::iterator iter = 
      mDevices.find(lbDeviceList->currentItem()->text());
    if (iter != mDevices.end())
    {
      delete iter->second;
      mDevices.erase(iter);
      mDevices[leDeviceName->text()] =
	new QgsGPSDevice(leWptDown->text(), leWptUp->text(),
			 leRteDown->text(), leRteUp->text(),
			 leTrkDown->text(), leTrkUp->text());
      writeDeviceSettings();
      slotUpdateDeviceList(leDeviceName->text());
      emit devicesChanged();
    }
  }
}

void QgsGPSDeviceDialog::slotUpdateDeviceList(const QString& selection) {
  QString selected;
  if (selection == "") {
    QListWidgetItem* item = lbDeviceList->currentItem();
    selected = (item ? item->text() : "");
  }
  else {
    selected = selection;
  }

  // We're going to be changing the selected item, so disable our
  // notificaton of that.
  QObject::disconnect(lbDeviceList, SIGNAL(currentItemChanged(QListWidgetItem*, QListWidgetItem*)), 
		   this, SLOT(slotSelectionChanged(QListWidgetItem*)));

  lbDeviceList->clear();
  std::map<QString, QgsGPSDevice*>::const_iterator iter;
  for (iter = mDevices.begin(); iter != mDevices.end(); ++iter) {
    QListWidgetItem* item = new QListWidgetItem(iter->first, lbDeviceList);
    if (iter->first == selected) {
      lbDeviceList->setCurrentItem(item);
    }
  }

  if (lbDeviceList->currentItem() == NULL && lbDeviceList->count() > 0)
    lbDeviceList->setCurrentRow(0);

  // Update the display and reconnect the selection changed signal
  slotSelectionChanged(lbDeviceList->currentItem());
  QObject::connect(lbDeviceList, SIGNAL(currentItemChanged(QListWidgetItem*, QListWidgetItem*)), 
		   this, SLOT(slotSelectionChanged(QListWidgetItem*)));
}


void QgsGPSDeviceDialog::slotSelectionChanged(QListWidgetItem *current) {
  if (lbDeviceList->count() > 0)
  {
    QString devName = current->text();
    leDeviceName->setText(devName);
    QgsGPSDevice* device = mDevices[devName];
    leWptDown->setText(device->
		       importCommand("%babel", "-w", "%in", "%out").join(" "));
    leWptUp->setText(device->
		     exportCommand("%babel", "-w", "%in", "%out").join(" "));
    leRteDown->setText(device->
		       importCommand("%babel", "-r", "%in", "%out").join(" "));
    leRteUp->setText(device->
		     exportCommand("%babel", "-r", "%in", "%out").join(" "));
    leTrkDown->setText(device->
		       importCommand("%babel", "-t", "%in", "%out").join(" "));
    leTrkUp->setText(device->
		     exportCommand("%babel", "-t", "%in", "%out").join(" "));
  }
}


void QgsGPSDeviceDialog::writeDeviceSettings() {
  QStringList deviceNames;
  QSettings settings;
  QString devPath = "/Plugin-GPS/devices/%1";
  settings.remove("/Plugin-GPS/devices");

  std::map<QString, QgsGPSDevice*>::const_iterator iter;
  for (iter = mDevices.begin(); iter != mDevices.end(); ++iter) {
    deviceNames.append(iter->first);
    QString wptDownload = 
      iter->second->importCommand("%babel","-w","%in","%out").join(" ");
    QString wptUpload = 
      iter->second->exportCommand("%babel","-w","%in","%out").join(" ");
    QString rteDownload = 
      iter->second->importCommand("%babel","-r","%in","%out").join(" ");
    QString rteUpload = 
      iter->second->exportCommand("%babel","-r","%in","%out").join(" ");
    QString trkDownload = 
      iter->second->importCommand("%babel","-t","%in","%out").join(" ");
    QString trkUpload = 
      iter->second->exportCommand("%babel","-t","%in","%out").join(" ");
    settings.setValue(devPath.arg(iter->first) + "/wptdownload", 
			wptDownload);
    settings.setValue(devPath.arg(iter->first) + "/wptupload", wptUpload);
    settings.setValue(devPath.arg(iter->first) + "/rtedownload", 
			rteDownload);
    settings.setValue(devPath.arg(iter->first) + "/rteupload", rteUpload);
    settings.setValue(devPath.arg(iter->first) + "/trkdownload", 
			trkDownload);
    settings.setValue(devPath.arg(iter->first) + "/trkupload", trkUpload);
  }
  settings.setValue("/Plugin-GPS/devicelist", deviceNames);
}

void QgsGPSDeviceDialog::on_pbnClose_clicked()
{
  close(1);
}