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Allow QgsOptionsPageWidget to set a specific help key to view

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when clicking help in the options dialog
This commit is contained in:
Nyall Dawson 2017-09-24 08:29:39 +10:00
parent 34b9ae293d
commit 8dffa33a27
3 changed files with 49 additions and 9 deletions
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13
python/gui/qgsoptionswidgetfactory.sip
View File

@ -25,6 +25,19 @@ class QgsOptionsPageWidget : QWidget
Constructor for QgsOptionsPageWidget.
%End
virtual QString helpKey() const;
%Docstring
Returns the optional help key for the options page. The default implementation
returns an empty string.
If a non-empty string is returned by this method, it will be used as the help key
retrieved when the "help" button is clicked while this options page is active.
If an empty string is returned by this method the default QGIS options
help will be retrieved.
:rtype: str
%End
public slots:
virtual void apply() = 0;

33
src/app/qgsoptions.cpp
View File

@ -2355,19 +2355,34 @@ void QgsOptions::setZoomFactorValue()
void QgsOptions::showHelp()
{
QWidget *activeTab = mOptionsStackedWidget->currentWidget();
QString link = QStringLiteral( "introduction/qgis_configuration.html" );
QString link;
if ( activeTab == mOptionsPageAuth )
// give first priority to created pages which have specified a help key
for ( const QgsOptionsPageWidget *widget : qgsAsConst( mAdditionalOptionWidgets ) )
{
link = QStringLiteral( "auth_system/index.html" );
if ( widget == activeTab )
{
link = widget->helpKey();
break;
}
}
else if ( activeTab == mOptionsPageVariables )
if ( link.isEmpty() )
{
link = QStringLiteral( "introduction/general_tools.html#variables" );
}
else if ( activeTab == mOptionsPageCRS )
{
link = QStringLiteral( "working_with_projections/working_with_projections.html" );
link = QStringLiteral( "introduction/qgis_configuration.html" );
if ( activeTab == mOptionsPageAuth )
{
link = QStringLiteral( "auth_system/index.html" );
}
else if ( activeTab == mOptionsPageVariables )
{
link = QStringLiteral( "introduction/general_tools.html#variables" );
}
else if ( activeTab == mOptionsPageCRS )
{
link = QStringLiteral( "working_with_projections/working_with_projections.html" );
}
}
QgsHelp::openHelp( link );
}

12
src/gui/qgsoptionswidgetfactory.h
View File

@ -38,6 +38,18 @@ class GUI_EXPORT QgsOptionsPageWidget : public QWidget
: QWidget( parent )
{}
/**
* Returns the optional help key for the options page. The default implementation
* returns an empty string.
*
* If a non-empty string is returned by this method, it will be used as the help key
* retrieved when the "help" button is clicked while this options page is active.
*
* If an empty string is returned by this method the default QGIS options
* help will be retrieved.
*/
virtual QString helpKey() const { return QString(); }
public slots:
/**