Merge pull request #5152 from ismailsunni/add_section

Add section in beginGroup and remove Setting.

Author: elpaso

python/core/qgssettings.sip

@@ -130,7 +130,7 @@ class QgsSettings : QObject
 %End
     ~QgsSettings();
 
-    void beginGroup( const QString &prefix );
+    void beginGroup( const QString &prefix, const QgsSettings::Section section = QgsSettings::NoSection );
 %Docstring
  Appends prefix to the current group.
  The current group is automatically prepended to all keys specified to QSettings.
@@ -245,9 +245,9 @@ Returns the path where settings written using this QSettings object are stored.
  This function is called automatically from QSettings's destructor and by the event
  loop at regular intervals, so you normally don't need to call it yourself.
 %End
-    void remove( const QString &key );
+    void remove( const QString &key, const QgsSettings::Section section = QgsSettings::NoSection );
 %Docstring
-Removes the setting key and any sub-settings of key.
+Removes the setting key and any sub-settings of key in a section.
 %End
     QString prefixedKey( const QString &key, const QgsSettings::Section section ) const;
 %Docstring

src/core/qgssettings.cpp

@@ -83,12 +83,13 @@ QgsSettings::~QgsSettings()
 }
 
 
-void QgsSettings::beginGroup( const QString &prefix )
+void QgsSettings::beginGroup( const QString &prefix, const QgsSettings::Section section )
 {
-  mUserSettings->beginGroup( sanitizeKey( prefix ) );
+  QString pKey = prefixedKey( prefix, section );
+  mUserSettings->beginGroup( pKey );
   if ( mGlobalSettings )
   {
-    mGlobalSettings->beginGroup( sanitizeKey( prefix ) );
+    mGlobalSettings->beginGroup( pKey );
   }
 }
 
@@ -191,9 +192,10 @@ void QgsSettings::sync()
   return mUserSettings->sync();
 }
 
-void QgsSettings::remove( const QString &key )
+void QgsSettings::remove( const QString &key, const QgsSettings::Section section )
 {
-  mUserSettings->remove( sanitizeKey( key ) );
+  QString pKey = prefixedKey( key, section );
+  mUserSettings->remove( pKey );
 }
 
 QString QgsSettings::prefixedKey( const QString &key, const Section section ) const

src/core/qgssettings.h

@@ -141,7 +141,7 @@ class CORE_EXPORT QgsSettings : public QObject
      * In addition, query functions such as childGroups(), childKeys(), and allKeys()
      * are based on the group. By default, no group is set.
      */
-    void beginGroup( const QString &prefix );
+    void beginGroup( const QString &prefix, const QgsSettings::Section section = QgsSettings::NoSection );
     //! Resets the group to what it was before the corresponding beginGroup() call.
     void endGroup();
     //! Returns a list of all keys, including subkeys, that can be read using the QSettings object.
@@ -218,8 +218,8 @@ class CORE_EXPORT QgsSettings : public QObject
      * loop at regular intervals, so you normally don't need to call it yourself.
      */
     void sync();
-    //! Removes the setting key and any sub-settings of key.
-    void remove( const QString &key );
+    //! Removes the setting key and any sub-settings of key in a section.
+    void remove( const QString &key, const QgsSettings::Section section = QgsSettings::NoSection );
     //! Return the sanitized and prefixed key
     QString prefixedKey( const QString &key, const QgsSettings::Section section ) const;
     //! Removes all entries in the user settings

tests/src/python/test_qgssettings.py

@@ -224,6 +224,30 @@ def test_global_groups(self):
         self.assertEqual([], self.settings.globalChildGroups())
         self.settings.endGroup()
 
+    def test_group_section(self):
+        # Test group by using Section
+        self.settings.beginGroup('firstgroup', section=QgsSettings.Core)
+        self.assertEqual([], self.settings.childGroups())
+        self.settings.setValue('key', 'value')
+        self.settings.setValue('key2/subkey1', 'subvalue1')
+        self.settings.setValue('key2/subkey2', 'subvalue2')
+        self.settings.setValue('key3', 'value3')
+
+        self.assertEqual(['key', 'key2/subkey1', 'key2/subkey2', 'key3'], self.settings.allKeys())
+        self.assertEqual(['key', 'key3'], self.settings.childKeys())
+        self.assertEqual(['key2'], self.settings.childGroups())
+        self.settings.endGroup()
+        # Set value by writing the group manually
+        self.settings.setValue('firstgroup/key4', 'value4', section=QgsSettings.Core)
+        # Checking the value that have been set
+        self.assertEqual(self.settings.value('firstgroup/key', section=QgsSettings.Core), 'value')
+        self.assertEqual(self.settings.value('firstgroup/key2/subkey1', section=QgsSettings.Core), 'subvalue1')
+        self.assertEqual(self.settings.value('firstgroup/key2/subkey2', section=QgsSettings.Core), 'subvalue2')
+        self.assertEqual(self.settings.value('firstgroup/key3', section=QgsSettings.Core), 'value3')
+        self.assertEqual(self.settings.value('firstgroup/key4', section=QgsSettings.Core), 'value4')
+        # Clean up firstgroup
+        self.settings.remove('firstgroup', section=QgsSettings.Core)
+
     def test_array(self):
         self.assertEqual(self.settings.allKeys(), [])
         self.addArrayToDefaults('testqgissettings', 'key', ['qgisrocks1', 'qgisrocks2', 'qgisrocks3'])
@@ -361,6 +385,12 @@ def test_remove(self):
         self.settings.remove('testQgisSettings/temp')
         self.assertEqual(self.settings.value('testqQgisSettings/temp'), None)
 
+        # Test remove by using Section
+        self.settings.setValue('testQgisSettings/tempSection', True, section=QgsSettings.Core)
+        self.assertEqual(self.settings.value('testQgisSettings/tempSection', section=QgsSettings.Core), True)
+        self.settings.remove('testQgisSettings/temp', section=QgsSettings.Core)
+        self.assertEqual(self.settings.value('testqQgisSettings/temp', section=QgsSettings.Core), None)
+
 
 if __name__ == '__main__':
     unittest.main()