[processing] added checkboxes to multiple input selector

Author: volaya

python/plugins/processing/gui/MultipleInputDialog.py

@@ -51,48 +51,44 @@ def __init__(self, options, selectedoptions=None):
         self.buttonBox.addButton(self.btnToggleSelection,
                                  QDialogButtonBox.ActionRole)
 
-        self.btnSelectAll.clicked.connect(self.selectAll)
-        self.btnClearSelection.clicked.connect(self.lstLayers.clearSelection)
+        self.btnSelectAll.clicked.connect(lambda: self.selectAll(True))
+        self.btnClearSelection.clicked.connect(lambda: self.selectAll(False))
         self.btnToggleSelection.clicked.connect(self.toggleSelection)
 
         self.populateList()
 
     def populateList(self):
-        self.lstLayers.clear()
-        self.lstLayers.addItems(self.options)
-        selModel = self.lstLayers.selectionModel()
-        self.lstLayers.blockSignals(True)
-        for i in xrange(self.lstLayers.count()):
-            item = self.lstLayers.item(i)
-            if self.lstLayers.indexFromItem(item).row() in self.selectedoptions:
-                selModel.select(self.lstLayers.indexFromItem(item),
-                                QItemSelectionModel.Select)
-        self.lstLayers.blockSignals(False)
+        model = QStandardItemModel()                        
+        for i, option in enumerate(self.options):
+            item = QStandardItem(option)            
+            item.setCheckState(Qt.Checked if i in self.selectedoptions else Qt.Unchecked)
+            item.setCheckable(True)
+            model.appendRow(item)
+
+        self.lstLayers.setModel(model)
 
     def accept(self):
         self.selectedoptions = []
-        for i in self.lstLayers.selectedItems():
-            self.selectedoptions.append(self.lstLayers.indexFromItem(i).row())
+        model = self.lstLayers.model()
+        for i in xrange(model.rowCount()):
+            item = model.item(i)
+            if item.checkState() == Qt.Checked:
+                self.selectedoptions.append(i)
         QDialog.accept(self)
 
     def reject(self):
         self.selectedoptions = None
         QDialog.reject(self)
 
-    def selectAll(self):
-        selModel = self.lstLayers.selectionModel()
-        self.lstLayers.blockSignals(True)
-        for i in xrange(self.lstLayers.count()):
-            item = self.lstLayers.item(i)
-            selModel.select(self.lstLayers.indexFromItem(item),
-                            QItemSelectionModel.Select)
-        self.lstLayers.blockSignals(False)
-
-    def toggleSelection(self):
-        selModel = self.lstLayers.selectionModel()
-        self.lstLayers.blockSignals(True)
-        for i in xrange(self.lstLayers.count()):
-            item = self.lstLayers.item(i)
-            selModel.select(self.lstLayers.indexFromItem(item),
-                            QItemSelectionModel.Toggle)
-        self.lstLayers.blockSignals(False)
+    def selectAll(self, value):        
+        model = self.lstLayers.model()
+        for i in xrange(model.rowCount()):
+            item = model.item(i)
+            item.setCheckState(Qt.Checked if value else Qt.Unchecked)
+            
+    def toggleSelection(self):        
+        model = self.lstLayers.model()
+        for i in xrange(model.rowCount()):
+            item = model.item(i)
+            checked = item.checkState() == Qt.Checked
+            item.setCheckState(Qt.Unchecked if checked else Qt.Checked)

python/plugins/processing/ui/DlgMultipleSelection.ui

@@ -21,15 +21,15 @@
     <number>9</number>
    </property>
    <item>
-    <widget class="QListWidget" name="lstLayers">
+    <widget class="QListView" name="lstLayers">
      <property name="editTriggers">
       <set>QAbstractItemView::NoEditTriggers</set>
      </property>
      <property name="alternatingRowColors">
       <bool>true</bool>
      </property>
      <property name="selectionMode">
-      <enum>QAbstractItemView::ExtendedSelection</enum>
+      <enum>QAbstractItemView::NoSelection</enum>
      </property>
     </widget>
    </item>

python/plugins/processing/ui/ui_DlgMultipleSelection.py

@@ -1,9 +1,9 @@
 # -*- coding: utf-8 -*-
 
-# Form implementation generated from reading ui file 'python/plugins/processing/ui/DlgMultipleSelection.ui'
+# Form implementation generated from reading ui file 'DlgMultipleSelection.ui'
 #
-# Created: Thu Oct  3 20:32:49 2013
-#      by: PyQt4 UI code generator 4.9.1
+# Created: Tue May 20 13:40:43 2014
+#      by: PyQt4 UI code generator 4.9.6
 #
 # WARNING! All changes made in this file will be lost!
 
@@ -12,20 +12,29 @@
 try:
     _fromUtf8 = QtCore.QString.fromUtf8
 except AttributeError:
-    _fromUtf8 = lambda s: s
+    def _fromUtf8(s):
+        return s
+
+try:
+    _encoding = QtGui.QApplication.UnicodeUTF8
+    def _translate(context, text, disambig):
+        return QtGui.QApplication.translate(context, text, disambig, _encoding)
+except AttributeError:
+    def _translate(context, text, disambig):
+        return QtGui.QApplication.translate(context, text, disambig)
 
 class Ui_DlgMultipleSelection(object):
     def setupUi(self, DlgMultipleSelection):
         DlgMultipleSelection.setObjectName(_fromUtf8("DlgMultipleSelection"))
         DlgMultipleSelection.resize(380, 320)
         self.horizontalLayout = QtGui.QHBoxLayout(DlgMultipleSelection)
-        self.horizontalLayout.setSpacing(2)
-        self.horizontalLayout.setContentsMargins(0, 5, 0, 0)
+        self.horizontalLayout.setSpacing(6)
+        self.horizontalLayout.setMargin(9)
         self.horizontalLayout.setObjectName(_fromUtf8("horizontalLayout"))
-        self.lstLayers = QtGui.QListWidget(DlgMultipleSelection)
+        self.lstLayers = QtGui.QListView(DlgMultipleSelection)
         self.lstLayers.setEditTriggers(QtGui.QAbstractItemView.NoEditTriggers)
         self.lstLayers.setAlternatingRowColors(True)
-        self.lstLayers.setSelectionMode(QtGui.QAbstractItemView.ExtendedSelection)
+        self.lstLayers.setSelectionMode(QtGui.QAbstractItemView.NoSelection)
         self.lstLayers.setObjectName(_fromUtf8("lstLayers"))
         self.horizontalLayout.addWidget(self.lstLayers)
         self.buttonBox = QtGui.QDialogButtonBox(DlgMultipleSelection)
@@ -40,5 +49,5 @@ def setupUi(self, DlgMultipleSelection):
         QtCore.QMetaObject.connectSlotsByName(DlgMultipleSelection)
 
     def retranslateUi(self, DlgMultipleSelection):
-        DlgMultipleSelection.setWindowTitle(QtGui.QApplication.translate("DlgMultipleSelection", "Multiple selection", None, QtGui.QApplication.UnicodeUTF8))
+        DlgMultipleSelection.setWindowTitle(_translate("DlgMultipleSelection", "Multiple selection", None))