[processing] use combined vector and raster filters for map layer file picker

nirvn · web-flow · commit add40c1e2268 · 2018-01-16T18:01:21.000+07:00
diff --git a/python/plugins/processing/gui/ParameterGuiUtils.py b/python/plugins/processing/gui/ParameterGuiUtils.py
@@ -47,7 +47,15 @@ def getFileFilter(param):
     :param param:
     :return:
     """
-    if param.type() == 'multilayer':
+    if param.type() == 'layer':
+        vectors = QgsProviderRegistry.instance().fileVectorFilters().split(';;')
+        vectors.pop(0)
+        rasters = QgsProviderRegistry.instance().fileRasterFilters().split(';;')
+        rasters.pop(0)
+        filters = set(vectors + rasters)
+        filters = sorted(filters)
+        return tr('All files (*.*)') + ';;' + ";;".join(filters)
+    elif param.type() == 'multilayer':
         if param.layerType() == QgsProcessing.TypeRaster:
             exts = QgsRasterFileWriter.supportedFormatExtensions()
         elif param.layerType() == QgsProcessing.TypeFile:
