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Viewing changes to GotoDialog.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Bernd Zeimetz
  • Date: 2009-09-13 00:52:12 UTC
  • mto: (1.2.7 upstream) (0.1.3 upstream) (3.1.7 sid)
  • mto: This revision was merged to the branch mainline in revision 10.
  • Revision ID: james.westby@ubuntu.com-20090913005212-pjecal8zxm07x0fj
Import upstream version 0.14+svnfixes~20090912

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GotoDialog.cpp
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//
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// C++ Implementation: GotoDialog
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//
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// Description:
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//
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//
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// Author: Chris Browet <cbro@semperpax.com>, (C) 2008
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//
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// Copyright: See COPYING file that comes with this distribution
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//
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//
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#include "GotoDialog.h"
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#include <QMessageBox>
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#include "Preferences/MerkaartorPreferences.h"
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#include "NameFinder/namefinderwidget.h"
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GotoDialog::GotoDialog(const Projection& aProj, QWidget *parent)
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        :QDialog(parent), theProjection(aProj)
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{
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        setupUi(this);
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        CoordBox B = theProjection.viewport();
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        int OsmZoom = int((log((360.0 / intToAng(B.latDiff()))) / log(2.0)) + 1);
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        OsmZoom = qMin(OsmZoom, 18);
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        OsmZoom = qMax(OsmZoom, 1);
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        int idx = 0;
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        int selIdx = -1;
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        double dist = 6372.795;
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        double d;
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        QMap<QString, CoordBox> Bookmarks = M_PREFS->getBookmarks();
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        QMapIterator<QString, CoordBox> i(Bookmarks);
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        while (i.hasNext()) {
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                i.next();
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                coordBookmark->addItem(i.key());
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                CoordBox C = i.value();
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                if ((d = C.center().distanceFrom(B.center())) < dist) {
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                        dist = d;
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                        selIdx = idx;
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                }
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                ++idx;
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        }
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        coordBookmark->setCurrentIndex(selIdx);
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        searchWidget = new NameFinder::NameFinderWidget(this);
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        connect(searchWidget, SIGNAL(selectionChanged()), this, SLOT(searchWidget_selectionChanged()));
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        connect(searchWidget, SIGNAL(doubleClicked()), this, SLOT(searchWidget_doubleClicked()));
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        verticalLayout_4->addWidget(searchWidget);
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        coordOSM->setText( QString("http://www.openstreetmap.org/?lat=%1&lon=%2&zoom=%3")
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                .arg(QString::number(intToAng(B.center().lat()), 'f', 4))
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                .arg(QString::number(intToAng(B.center().lon()), 'f', 4))
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                .arg(QString::number(OsmZoom))
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                );
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        coordOsmApi->setText( QString("http://www.openstreetmap.org/api/%1/map?bbox=%2,%3,%4,%5")
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                .arg(M_PREFS->apiVersion())
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                .arg(QString::number(intToAng(B.bottomLeft().lon()), 'f', 4))
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                .arg(QString::number(intToAng(B.bottomLeft().lat()), 'f', 4))
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                .arg(QString::number(intToAng(B.topRight().lon()), 'f', 4))
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                .arg(QString::number(intToAng(B.topRight().lat()), 'f', 4))
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                );
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        coordOsmXApi->setText( QString("http://xapi.openstreetmap.org/api/0.5/*[bbox=%1,%2,%3,%4]")
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                .arg(QString::number(intToAng(B.bottomLeft().lon()), 'f', 4))
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                .arg(QString::number(intToAng(B.bottomLeft().lat()), 'f', 4))
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                .arg(QString::number(intToAng(B.topRight().lon()), 'f', 4))
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                .arg(QString::number(intToAng(B.topRight().lat()), 'f', 4))
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                );
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        coordCoord->setText( QString("%1, %2, %3, %4")
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                .arg(QString::number(intToAng(B.bottomLeft().lon()), 'f', 4))
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                .arg(QString::number(intToAng(B.bottomLeft().lat()), 'f', 4))
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                .arg(QString::number(intToAng(B.topRight().lon()), 'f', 4))
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                .arg(QString::number(intToAng(B.topRight().lat()), 'f', 4))
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                );
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        coordSpan->setText( QString("%1, %2, %3, %4")
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                .arg(QString::number(intToAng(B.center().lat()), 'f', 4))
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                .arg(QString::number(intToAng(B.center().lon()), 'f', 4))
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                .arg(QString::number(intToAng(B.latDiff()), 'f', 4))
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                .arg(QString::number(intToAng(B.lonDiff()), 'f', 4))
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                );
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85
 
        resize(1,1);
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}
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void GotoDialog::on_searchButton_clicked()
89
 
{
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                QString searchString = NameFinderEdit->text();
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                searchWidget->search(searchString);
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}
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void GotoDialog::on_buttonBox_clicked(QAbstractButton * button)
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{
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        if (buttonBox->buttonRole(button) == QDialogButtonBox::AcceptRole) {
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                if (rbBookmark->isChecked()) {
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                        theNewViewport = M_PREFS->getBookmarks()[coordBookmark->currentText()];
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                } else
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                if (rbOSM->isChecked()) {
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                        QUrl url = QUrl(coordOSM->text()); 
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                        if (!url.isValid()) {
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                                QMessageBox::warning(this, QApplication::translate("GotoDialog", "Invalid OSM url"),
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                                        QApplication::translate("GotoDialog", "The specified url is invalid!"));
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                                return;
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                        }
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                        double lat = url.queryItemValue("lat").toDouble(); 
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                        double lon = url.queryItemValue("lon").toDouble(); 
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                        if (lat == 0.0 || lon == 0.0) {
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                                QMessageBox::warning(this, QApplication::translate("GotoDialog", "Invalid OSM url"),
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                                        QApplication::translate("GotoDialog", "The specified url is invalid!"));
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                                return;
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                        }
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                        int zoom = url.queryItemValue("zoom").toInt();
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                        if (zoom < 1 || zoom > 18) // use default when not in bounds
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                                zoom = 15;
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                        /* term to calculate the angle from the zoom-value */
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                        double zoomLat = 360.0 / (double)(1 << zoom);
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                        double zoomLon = zoomLat / fabs(cos(angToRad(lat)));
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                        /* the following line is equal to the line above. (just for explanation) */
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                        //double zoomLon = zoomLat / aParent->view()->projection().latAnglePerM() * aParent->view()->projection().lonAnglePerM(angToRad(lat));
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                        /* the OSM link contains the coordinates from the middle of the visible map so we have to add and sub zoomLon/zoomLat */
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                        theNewViewport = CoordBox(Coord(angToInt(lat-zoomLat), angToInt(lon-zoomLon)), Coord(angToInt(lat+zoomLat), angToInt(lon+zoomLon)));
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                } else
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                if (rbCoord->isChecked()) {
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                        QStringList tokens = coordCoord->text().split(",");
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                        if (tokens.size() < 4) {
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                                QMessageBox::warning(this, QApplication::translate("GotoDialog", "Invalid Coordinates format"),
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                                        QApplication::translate("GotoDialog", "Coordinates must be: '<left lon>, <bottom lat>, <right lon>, <top lat>'"));
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                                return;
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                        }
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                        theNewViewport = CoordBox(Coord(angToInt(tokens[1].toDouble()), angToInt(tokens[0].toDouble())), Coord(angToInt(tokens[3].toDouble()), angToInt(tokens[2].toDouble())));
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                } else
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                if (rbSpan->isChecked()) {
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                        QStringList tokens = coordSpan->text().split(",");
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                        if (tokens.size() < 4) {
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                                QMessageBox::warning(this, QApplication::translate("GotoDialog", "Invalid Coordinates format"),
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                                        QApplication::translate("GotoDialog", "Coordinates must be: '<center lat>, <center lon>, <span lat>, <span lon>'"));
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                                return;
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                        }
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                        theNewViewport = CoordBox(
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                                                                Coord(
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                                                                        angToInt(tokens[0].toDouble() - tokens[2].toDouble() / 2),
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                                                                        angToInt(tokens[1].toDouble() - tokens[3].toDouble() / 2)),
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                                                                Coord(
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                                                                        angToInt(tokens[0].toDouble() + tokens[2].toDouble() / 2),
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                                                                        angToInt(tokens[1].toDouble() + tokens[3].toDouble() / 2))
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                                                                );
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                }
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                accept();
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        }
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}
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void GotoDialog::searchWidget_selectionChanged()
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{
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        QPointF centerPoint = searchWidget->selectedCoords();
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        int zoom = searchWidget->selectedZoom();
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        // The API doesn't like request for too large bounding boxes so reset to a default
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        if (zoom < 15)
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                zoom = 15;
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        coordOSM->setText( QString("http://www.openstreetmap.org/?lat=%1&lon=%2&zoom=%3")
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                .arg(QString::number(centerPoint.x(), 'f', 4))
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                .arg(QString::number(centerPoint.y(), 'f', 4))
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                .arg(QString::number(zoom))
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                );
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        rbOSM->setChecked(true);
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}
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void GotoDialog::on_NameFinderEdit_textChanged(const QString & text)
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{
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    if (!text.isEmpty()) {
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                searchButton->setDefault(true);
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    } else {
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                searchButton->setDefault(false);
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                buttonBox->button(QDialogButtonBox::Ok)->setDefault(true);
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    }
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}
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void GotoDialog::searchWidget_doubleClicked()
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{
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    buttonBox->button(QDialogButtonBox::Ok)->click();
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}
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void GotoDialog::changeEvent(QEvent * event)
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{
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        if (event->type() == QEvent::LanguageChange)
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                retranslateUi(this);
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}
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