[processing] use InputLayerSelectorPanel for vector layers

Author: volaya

python/plugins/processing/gui/InputLayerSelectorPanel.py

@@ -29,7 +29,7 @@
 import os
 
 from qgis.PyQt import uic
-from qgis.PyQt.QtCore import QSettings
+from qgis.PyQt.QtCore import QSettings, pyqtSignal
 from qgis.PyQt.QtGui import QIcon
 from qgis.PyQt.QtWidgets import QFileDialog
 from processing.tools import dataobjects
@@ -41,6 +41,8 @@
 
 class InputLayerSelectorPanel(BASE, WIDGET):
 
+    valueHasChanged = pyqtSignal()
+
     def __init__(self, options, param):
         super(InputLayerSelectorPanel, self).__init__(None)
         self.setupUi(self)
@@ -55,6 +57,7 @@ def __init__(self, options, param):
             self.cmbText.addItem(name, value)
 
         self.btnSelect.clicked.connect(self.showSelectionDialog)
+        self.cmbText.currentIndexChanged.connect(self.valueHasChanged.emit)
 
     def showSelectionDialog(self):
         settings = QSettings()
@@ -77,5 +80,11 @@ def showSelectionDialog(self):
             self.cmbText.addItem(filename, filename)
             self.cmbText.setCurrentIndex(self.cmbText.count() - 1)
 
+    def update(self, options):
+        self.cmbText.clear()
+        for (name, value) in options:
+            self.cmbText.addItem(name, value)
+        self.valueHasChanged.emit()
+
     def getValue(self):
         return self.cmbText.itemData(self.cmbText.currentIndex())

python/plugins/processing/gui/wrappers.py

@@ -490,13 +490,13 @@ def createWidget(self):
             return widget
 
     def refresh(self):
-        self.widget.cmbText.clear()
-        layers = dataobjects.getRasterLayers(self)
-        layers.sort(key=lambda lay: lay.name())
+        items = []
+        layers = dataobjects.getRasterLayers()
         if self.param.optional:
-            self.widget.cmbText.addItem(self.NOT_SELECTED, None)
+            items.append((self.NOT_SELECTED, None))
         for layer in layers:
-            self.widget.cmbText.addItem(getExtendedLayerName(layer), layer)
+            items.append((getExtendedLayerName(layer), layer))
+        self.widget.update(items)
 
     def setValue(self, value):
         if self.dialogType == DIALOG_STANDARD:
@@ -551,9 +551,15 @@ class VectorWidgetWrapper(WidgetWrapper):
 
     def createWidget(self):
         if self.dialogType == DIALOG_STANDARD:
-            widget = QComboBox()
-            self._populate(widget)
-            widget.currentIndexChanged.connect(lambda: self.widgetValueHasChanged.emit(self))
+            layers = dataobjects.getVectorLayers(self.param.datatype)
+            items = []
+            if self.param.optional:
+                items.append((self.NOT_SELECTED, None))
+            for layer in layers:
+                items.append((getExtendedLayerName(layer), layer))
+            widget = InputLayerSelectorPanel(items, self.param)
+            widget.name = self.param.name
+            widget.valueChanged.connect(lambda: self.widgetValueHasChanged.emit(self))
             return widget
         elif self.dialogType == DIALOG_BATCH:
             widget = BatchInputSelectionPanel(self.param, self.row, self.col, self.dialog)
@@ -570,14 +576,16 @@ def createWidget(self):
             return widget
 
     def _populate(self, widget):
-        widget.clear()
+        items = []
         layers = dataobjects.getVectorLayers(self.param.datatype)
         layers.sort(key=lambda lay: lay.name())
         if self.param.optional:
-            widget.addItem(self.NOT_SELECTED, None)
+            items.append((self.NOT_SELECTED, None))
         for layer in layers:
-            widget.addItem(getExtendedLayerName(layer), layer)
-        widget.name = self.param.name
+            items.append((getExtendedLayerName(layer), layer))
+        self.widget.update(items)
+
+
 
     def refresh(self):
         self._populate(self.widget)