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Allow updating gpl based color schemes which are set to the

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default random color scheme

Allows users to edit the color scheme inside QGIS and see the
effects immediately on next layer load
This commit is contained in:
Nyall Dawson 2018-02-05 15:13:18 +10:00
parent bc449c401b
commit 149b23e08b
1 changed files with 20 additions and 1 deletions
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21
src/core/qgscolorscheme.cpp
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@ -16,6 +16,7 @@
***************************************************************************/
#include "qgscolorscheme.h"
#include "qgscolorschemeregistry.h"
#include "qgsproject.h"
#include "qgssymbollayerutils.h"
@ -278,7 +279,19 @@ bool QgsGplColorScheme::setColors( const QgsNamedColorList &colors, const QStrin
}
QFile destFile( destFilePath );
return QgsSymbolLayerUtils::saveColorsToGpl( destFile, schemeName(), colors );
if ( QgsSymbolLayerUtils::saveColorsToGpl( destFile, schemeName(), colors ) )
{
if ( QgsApplication::colorSchemeRegistry()->randomStyleColorScheme() == this )
{
// force a re-generation of the random style color list, since the color list has changed
QgsApplication::colorSchemeRegistry()->setRandomStyleColorScheme( this );
}
return true;
}
else
{
return false;
}
}
@ -315,6 +328,12 @@ QgsUserColorScheme::QgsUserColorScheme( const QString &filename )
{
mName = mFilename;
}
// we consider this scheme writable if the user has permission, OR
// if it DOESN'T already exist (since new schemes are only created when
// first written to)
QFileInfo sourceFileInfo( gplFilePath() );
mEditable = !sourceFileInfo.exists() || sourceFileInfo.isWritable();
}
QString QgsUserColorScheme::schemeName() const