19 #include <QToolButton>
21 #include <QGridLayout>
24 #include <QRegularExpression>
25 #include <QProgressBar>
39 #define FILEPATH_VARIABLE "selected_file_path"
44 mProgressLabel =
new QLabel(
this );
45 mLayout->addWidget( mProgressLabel );
46 mProgressLabel->hide();
48 mProgressBar =
new QProgressBar(
this );
49 mLayout->addWidget( mProgressBar );
52 mCancelButton =
new QToolButton(
this );
53 mLayout->addWidget( mCancelButton );
55 mCancelButton->hide();
63 mExternalStorage =
nullptr;
68 if ( !mExternalStorage )
87 void QgsExternalStorageFileWidget::updateAcceptDrops()
89 setAcceptDrops( !
mReadOnly && mExternalStorage );
94 return mExternalStorage ? mExternalStorage->
type() : QString();
99 return mExternalStorage;
114 mStorageUrlExpression.reset(
new QgsExpression( urlExpression ) );
119 return mStorageUrlExpression.get();
124 return mStorageUrlExpression ? mStorageUrlExpression->expression() : QString();
131 mExpressionContext = context;
137 if ( !mExternalStorage || mScope )
141 mExpressionContext << mScope;
149 QString(),
true,
false, tr(
"User selected absolute filepath" ) ) );
155 return mExpressionContext;
171 mProgressLabel->setVisible( mStoreInProgress );
172 mProgressBar->setVisible( mStoreInProgress );
173 mCancelButton->setVisible( mStoreInProgress );
177 mLineEdit->setVisible( !mStoreInProgress && !linkVisible );
178 mLinkLabel->setVisible( !mStoreInProgress && linkVisible );
192 Q_ASSERT( fileNames.count() );
195 if ( mExternalStorage )
197 if ( !mStorageUrlExpression->prepare( &mExpressionContext ) )
202 tr(
"Storage URL expression is invalid : %1" ).arg( mStorageUrlExpression->evalErrorString() ) );
205 QgsDebugMsg( tr(
"Storage URL expression is invalid : %1" ).arg( mStorageUrlExpression->evalErrorString() ) );
209 storeExternalFiles( fileNames );
217 void QgsExternalStorageFileWidget::storeExternalFiles( QStringList fileNames, QStringList storedUrls )
219 if ( fileNames.isEmpty() )
222 const QString
filePath = fileNames.takeFirst();
224 mProgressLabel->setText( tr(
"Storing file %1 ..." ).arg( QFileInfo(
filePath ).fileName() ) );
225 mStoreInProgress =
true;
226 mProgressBar->setValue( 0 );
232 QVariant url = mStorageUrlExpression->evaluate( &mExpressionContext );
233 if ( !url.isValid() )
238 tr(
"Storage URL expression is invalid : %1" ).arg( mStorageUrlExpression->evalErrorString() ) );
241 mStoreInProgress =
false;
252 auto onStoreFinished = [ = ]
254 mStoreInProgress =
false;
256 storedContent->deleteLater();
261 tr(
"Storing file '%1' to url '%2' has failed : %3" ).arg(
filePath, url.toString(), storedContent->
errorString() ) );
267 QStringList newStoredUrls = storedUrls;
268 newStoredUrls << storedContent->
url();
271 if ( fileNames.isEmpty() )
276 storeExternalFiles( fileNames, newStoredUrls );
283 storedContent->
store();
288 const QStringList filePaths =
mLineEdit->acceptableFilePaths( event );
289 if ( !filePaths.isEmpty() )
291 event->acceptProposedAction();
301 storeExternalFiles(
mLineEdit->acceptableFilePaths( event ) );
302 event->acceptProposedAction();
@ Finished
Content fetching/storing is finished and successful.
@ Failed
Content fetching/storing has failed.
static QIcon getThemeIcon(const QString &name, const QColor &fillColor=QColor(), const QColor &strokeColor=QColor())
Helper to get a theme icon.
static QgsExternalStorageRegistry * externalStorageRegistry()
Returns registry of available external storage implementations.
Single scope for storing variables and functions for use within a QgsExpressionContext.
void addVariable(const QgsExpressionContextScope::StaticVariable &variable)
Adds a variable into the context scope.
void setVariable(const QString &name, const QVariant &value, bool isStatic=false)
Convenience method for setting a variable in the context scope by name name and value.
Expression contexts are used to encapsulate the parameters around which a QgsExpression should be eva...
Class for parsing and evaluation of expressions (formerly called "search strings").
void canceled()
The signal is emitted when content fetching/storing has been canceled.
void progressChanged(double progress)
The signal is emitted whenever content fetching/storing estimated progression value progress has chan...
void errorOccurred(const QString &errorString)
The signal is emitted when an error occurred.
Qgis::ContentStatus status() const
Returns content status.
virtual void cancel()
Cancels content fetching/storing.
const QString & errorString() const
Returns error textual description if an error occurred and status() returns Failed.
QgsExternalStorage * externalStorageFromType(const QString &type) const
Returns external storage implementation if the storage type matches one.
Class for QgsExternalStorage stored content.
void stored()
The signal is emitted when the resource has successfully been stored.
virtual QString url() const =0
Returns stored resource URL.
virtual void store()=0
Starts storing.
Abstract interface for external storage - to be implemented by various backends and registered in Qgs...
virtual QString type() const =0
Unique identifier of the external storage type.
QgsExternalStorageStoredContent * store(const QString &filePath, const QString &url, const QString &authCfg=QString(), Qgis::ActionStart storingMode=Qgis::ActionStart::Deferred) const
Stores file filePath to the url for this project external storage.
A bar for displaying non-blocking messages to the user.
void pushWarning(const QString &title, const QString &message)
Pushes a warning message that must be manually dismissed by the user.
Single variable definition for use within a QgsExpressionContextScope.