waypointeditorui.cpp

GPS的一个应用程序,很不错的.大家试一试.

#include "waypointEditorUI.h"

#include "exceptions.h"
#include <qlineedit.h>
#include <qmessagebox.h>
#include <qspinbox.h>
#include <qtextedit.h>
#include <sstream>

namespace gpsmgr {

    WaypointEditorUI::WaypointEditorUI(QWidget* parent,
				       const char* name,
				       bool modal,
				       WFlags fl) :
	WaypointEditorUIBase (parent, name, modal, fl)
    {}
    
    void WaypointEditorUI::setWaypoint(const Waypoint& wp)
    {
	mNameEdit->setText(wp.name().c_str());

	ostringstream latoss;
	latoss << wp.position().lat();
	mLatEdit->setText(latoss.str());

	ostringstream lonoss;
	lonoss << wp.position().lon();
	mLonEdit->setText(lonoss.str());

	mAltSpin->setValue(wp.altitude());

	mSymbolEdit->setText(wp.symbol());

	mCommentEdit->setText(wp.comment());
    }
    
    Waypoint WaypointEditorUI::waypoint() const
    {
	Waypoint rval;

	rval.setName(mNameEdit->text());

	Latitude lat;
	istringstream latiss(mLatEdit->text());
	latiss >> lat;

	Longitude lon;
	istringstream loniss(mLonEdit->text());
	loniss >> lon;

	LatLon pos(lat, lon);
	rval.setPosition(pos);

	rval.setAltitude(mAltSpin->value());
	
	rval.setSymbol(mSymbolEdit->text());

	rval.setComment(mCommentEdit->text());

	return rval;
    }

    void WaypointEditorUI::accept()
    {
	using namespace gpsmgr::exceptions;
	
	try { Waypoint wp = waypoint(); }
	catch (Exception<ParseError>& e)
	{
	    QMessageBox::warning(this,
				 "Invalid waypoint",
				 e.what(),
				 "OK"); 
	    return;
	}

	WaypointEditorUIBase::accept();
    }
    
}