[processing] Formalise object design for ContextAction, allow icons to be set

Author: nyalldawson

python/plugins/processing/gui/ContextAction.py

@@ -27,10 +27,15 @@
 
 
 from qgis.PyQt.QtCore import QCoreApplication
+from qgis.PyQt.QtGui import QIcon
 
 
 class ContextAction:
 
+    def __init__(self):
+        self.name = None
+        self.is_separator = False
+
     def setData(self, itemData, toolbox):
         self.itemData = itemData
         self.toolbox = toolbox
@@ -39,3 +44,12 @@ def tr(self, string, context=''):
         if context == '':
             context = self.__class__.__name__
         return QCoreApplication.translate(context, string)
+
+    def icon(self):
+        return QIcon()
+
+    def isEnabled(self):
+        return True
+
+    def execute(self):
+        pass

python/plugins/processing/gui/ProcessingToolbox.py

@@ -192,9 +192,12 @@ def showPopupMenu(self, point):
                 popupmenu.addSeparator()
             for action in actions:
                 action.setData(alg, self)
-                if action.isEnabled():
+                if action.is_separator:
+                    popupmenu.addSeparator()
+                elif action.isEnabled():
                     contextMenuAction = QAction(action.name,
                                                 popupmenu)
+                    contextMenuAction.setIcon(action.icon())
                     contextMenuAction.triggered.connect(action.execute)
                     popupmenu.addAction(contextMenuAction)
 

python/plugins/processing/modeler/DeleteModelAction.py

@@ -38,6 +38,7 @@
 class DeleteModelAction(ContextAction):
 
     def __init__(self):
+        super().__init__()
         self.name = QCoreApplication.translate('DeleteModelAction', 'Delete Model…')
 
     def isEnabled(self):

python/plugins/processing/modeler/EditModelAction.py

@@ -36,6 +36,7 @@
 class EditModelAction(ContextAction):
 
     def __init__(self):
+        super().__init__()
         self.name = QCoreApplication.translate('EditModelAction', 'Edit Model…')
 
     def isEnabled(self):

python/plugins/processing/modeler/ModelerAlgorithmProvider.py

@@ -39,6 +39,7 @@
 
 from processing.core.ProcessingConfig import ProcessingConfig, Setting
 
+from processing.gui.ContextAction import ContextAction
 from processing.gui.ProviderActions import (ProviderActions,
                                             ProviderContextMenuActions)
 

python/plugins/processing/preconfigured/DeletePreconfiguredAlgorithmAction.py

@@ -36,6 +36,7 @@
 class DeletePreconfiguredAlgorithmAction(ContextAction):
 
     def __init__(self):
+        super().__init__()
         self.name = QCoreApplication.translate('DeletePreconfiguredAlgorithmAction', 'Delete Preconfigured Algorithm…')
 
     def isEnabled(self):

python/plugins/processing/preconfigured/NewPreconfiguredAlgorithmAction.py

@@ -36,6 +36,7 @@
 class NewPreconfiguredAlgorithmAction(ContextAction):
 
     def __init__(self):
+        super().__init__()
         self.name = QCoreApplication.translate('NewPreconfiguredAlgorithmAction', 'Create Preconfigured Algorithm…')
 
     def isEnabled(self):

python/plugins/processing/script/DeleteScriptAction.py

@@ -40,6 +40,7 @@
 class DeleteScriptAction(ContextAction):
 
     def __init__(self):
+        super().__init__()
         self.name = QCoreApplication.translate("DeleteScriptAction", "Delete Script…")
 
     def isEnabled(self):

python/plugins/processing/script/EditScriptAction.py

@@ -41,6 +41,7 @@
 class EditScriptAction(ContextAction):
 
     def __init__(self):
+        super().__init__()
         self.name = QCoreApplication.translate("EditScriptAction", "Edit Script…")
 
     def isEnabled(self):