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Merge pull request #3740 from elpaso/downloader_2_18
[bugfix] File downloader for identify dialog hyperlinks
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Original file line number | Diff line number | Diff line change |
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/*************************************************************************** | ||
qgsfiledownloader.sip | ||
-------------------------------------- | ||
Date : November 2016 | ||
Copyright : (C) 2016 by Alessandro Pasotti | ||
Email : elpaso at itopen dot it | ||
*************************************************************************** | ||
* * | ||
* 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. * | ||
* * | ||
***************************************************************************/ | ||
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/** \ingroup gui | ||
* QgsFileDownloader is a utility class for downloading files. | ||
* | ||
* To use this class, it is necessary to pass the URL and an output file name as | ||
* arguments to the constructor, the download will start immediately. | ||
* The download is asynchronous and depending on the guiNotificationsEnabled | ||
* parameter accepted by the constructor (default = true) the class will | ||
* show a progress dialog and report all errors in a QMessageBox::warning dialog. | ||
* If the guiNotificationsEnabled parameter is set to false, the class can still | ||
* be used through the signals and slots mechanism. | ||
* The object will destroy itself when the request completes, errors or is canceled. | ||
* | ||
* @note added in QGIS 2.18.1 | ||
*/ | ||
class QgsFileDownloader : public QObject | ||
{ | ||
%TypeHeaderCode | ||
#include <qgsfiledownloader.h> | ||
%End | ||
public: | ||
/** | ||
* QgsFileDownloader | ||
* @param url the download url | ||
* @param outputFileName file name where the downloaded content will be stored | ||
* @param guiNotificationsEnabled if false, the downloader will not display any progress bar or error message | ||
*/ | ||
QgsFileDownloader(QUrl url, QString outputFileName, bool guiNotificationsEnabled = true); | ||
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signals: | ||
/** Emitted when the download has completed successfully */ | ||
void downloadCompleted(); | ||
/** Emitted always when the downloader exits */ | ||
void downloadExited(); | ||
/** Emitted when the download was canceled by the user */ | ||
void downloadCanceled(); | ||
/** Emitted when an error makes the download fail */ | ||
void downloadError( QStringList errorMessages ); | ||
/** Emitted when data ready to be processed */ | ||
void downloadProgress(qint64 bytesReceived, qint64 bytesTotal); | ||
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public slots: | ||
/** | ||
* Called when a download is canceled by the user | ||
* this slot aborts the download and deletes the object | ||
*/ | ||
void onDownloadCanceled(); | ||
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private: | ||
~QgsFileDownloader(); | ||
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}; |
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