[sextante] file selector and iterator buttons can be hidden now in parameters dialog if algorithm does not support them

Author: volaya

python/plugins/sextante/algs/ftools/RandomSelection.py

@@ -56,6 +56,7 @@ class RandomSelection(GeoAlgorithm):
     #===========================================================================
 
     def defineCharacteristics(self):
+        self.allowOnlyOpenedLayers = True
         self.name = "Random selection"
         self.group = "Vector selection tools"
 

python/plugins/sextante/algs/ftools/RandomSelectionWithinSubsets.py

@@ -55,6 +55,7 @@ class RandomSelectionWithinSubsets(GeoAlgorithm):
     #===========================================================================
 
     def defineCharacteristics(self):
+        self.allowOnlyOpenedLayers = True
         self.name = "Random selection within subsets"
         self.group = "Vector selection tools"
 

python/plugins/sextante/algs/ftools/SelectByLocation.py

@@ -51,6 +51,7 @@ class SelectByLocation(GeoAlgorithm):
     #===========================================================================
 
     def defineCharacteristics(self):
+        self.allowOnlyOpenedLayers = True
         self.name = "Select by location"
         self.group = "Vector selection tools"
         self.addParameter(ParameterVector(self.INPUT, "Layer to select from", ParameterVector.VECTOR_TYPE_ANY))

python/plugins/sextante/algs/mmqgisx/MMQGISXAlgorithms.py

@@ -1030,6 +1030,7 @@ class mmqgisx_select_algorithm(GeoAlgorithm):
 	RESULT = "RESULT"
 
 	def defineCharacteristics(self):
+		self.allowOnlyOpenedLayers = True
 		self.name = "Select by attribute"
 		self.group = "Vector selection tools"
 

python/plugins/sextante/core/GeoAlgorithm.py

@@ -59,6 +59,9 @@ def __init__(self):
         #change any of the following if your algorithm should not appear in the toolbox or modeler
         self.showInToolbox = True
         self.showInModeler = True
+        #if true, will show only loaded layers in parameters dialog
+        self.allowOnlyOpenedLayers = False
+        #False if it should not be run a a batch process
         self.canRunInBatchMode = True
         #to be set by the provider when it loads the algorithm
         self.provider = None

python/plugins/sextante/gui/ParametersPanel.py

@@ -119,7 +119,7 @@ def initGUI(self):
                 self.labels[param.name] = label
                 widget = self.getWidgetFromParameter(param)
                 self.valueItems[param.name] = widget
-                if isinstance(param, ParameterVector):
+                if isinstance(param, ParameterVector) and not self.alg.allowOnlyOpenedLayers:
                     layout = QtGui.QHBoxLayout()
                     layout.setSpacing(2)
                     layout.setMargin(0)
@@ -202,7 +202,7 @@ def getWidgetFromParameter(self, param):
                 items.append((self.getExtendedLayerName(layer), layer))
             item = InputLayerSelectorPanel(items)
         elif isinstance(param, ParameterVector):
-            if self.somethingDependsOnThisParameter(param):
+            if self.somethingDependsOnThisParameter(param) or self.alg.allowOnlyOpenedLayers:
                 item = QtGui.QComboBox()
                 layers = QGisLayers.getVectorLayers(param.shapetype)
                 if (param.optional):