Improve style support

resource_sharing/resource_handler/symbol_handler.py

@@ -174,7 +174,20 @@ def install(self):
                         colorramp_name, colorramp['colorramp'], True):
                     self._group_or_tag(QgsStyle.ColorrampEntity,
                                        colorramp_name, groupOrTag_id)
-
+            for textformat in symbol_xml_extractor.textformats:
+                textformat_name = '%s (%s)' % (
+                    textformat['name'], self.collection['repository_name'])
+                if self.style.addTextFormat(
+                        textformat_name, textformat['textformat'], True):
+                    self._group_or_tag(QgsStyle.TextFormatEntity,
+                                       textformat_name, groupOrTag_id)
+            for labelsetting in symbol_xml_extractor.labelsettings:
+                labelsetting_name = '%s (%s)' % (
+                    labelsetting['name'], self.collection['repository_name'])
+                if self.style.addLabelSettings(
+                        labelsetting_name, labelsetting['labelsettings'], True):
+                    self._group_or_tag(QgsStyle.LabelSettingsEntity,
+                                       labelsetting_name, groupOrTag_id)
         if valid >= 0:
             self.collection[SYMBOL] = valid
 
@@ -195,6 +208,16 @@ def uninstall(self):
                 QgsStyle.ColorrampEntity, child_group_id)
             for colorramp in colorramps:
                 self.style.removeColorRamp(colorramp)
+            # Get all the textformats for this tag / child group and remove them
+            textformats = self._get_symbols_for_group_or_tag(
+                QgsStyle.TextFormatEntity, child_group_id)
+            for textformat in textformats:
+                self.style.removeTextFormat(textformat)
+            # Get all the labelsettings for this tag / child group and remove them
+            labelsettings = self._get_symbols_for_group_or_tag(
+                QgsStyle.LabelSettingsEntity, child_group_id)
+            for labelsetting in labelsettings:
+                self.style.removeLabelSettings(labelsetting)
 
             # Remove this tag / child group
             self._group_or_tag_remove(child_group_id)

resource_sharing/symbol_xml_extractor.py

@@ -1,10 +1,13 @@
 # coding=utf-8
 import os
+import logging
 
 from qgis.PyQt.QtXml import QDomDocument
 from qgis.PyQt.QtCore import QFile, QIODevice
 from qgis.core import QgsSymbolLayerUtils, QgsReadWriteContext, QgsProject
+from qgis.core import QgsPalLayerSettings, QgsTextFormat
 
+LOGGER = logging.getLogger('QGIS Resource Sharing')
 
 class SymbolXMLExtractor(object):
     """Parses the given file and returns the symbols and colorramps"""
@@ -68,6 +71,37 @@ def parse_xml(self):
 
             ramp_element = ramp_element.nextSiblingElement()
 
+        # Get all the TextFormats - textformats - textformat
+        self._textformats = []
+        textformats_element = document_element.firstChildElement('textformats')
+        textformat_element = textformats_element.firstChildElement()
+        while not textformat_element.isNull():
+            if textformat_element.tagName() == 'textformat':
+                textformat = QgsTextFormat()
+                textformat.readXml(textformat_element, QgsReadWriteContext())
+                if textformat:
+                    self._textformats.append({
+                        'name': textformat_element.attribute('name'),
+                        'textformat': textformat
+                    })
+            textformat_element = textformat_element.nextSiblingElement()
+
+        # Get all the LabelSettings - labelsettings - labelsetting -
+        #  QgsPalLayerSettings.readXML?
+        self._labelsettings = []
+        labels_element = document_element.firstChildElement('labelsettings')
+        label_element = labels_element.firstChildElement()
+
+        while not label_element.isNull():
+            if label_element.tagName() == 'labelsetting':
+                labelsettings = QgsPalLayerSettings()
+                labelsettings.readXml(label_element, QgsReadWriteContext())
+                if labelsettings:
+                    self._labelsettings.append({
+                        'name': label_element.attribute('name'),
+                        'labelsettings': labelsettings
+                    })
+            label_element = label_element.nextSiblingElement()
         return True
 
     @property
@@ -97,3 +131,29 @@ def colorramps(self):
         ]
         """
         return self._colorramps
+
+    @property
+    def textformats(self):
+        """Return a list of the textformats in the XML file.
+        The structure of the property:
+        textformats = [
+            {
+                'name': str
+                'textformat': QgsTextFormat???
+            }
+        ]
+        """
+        return self._textformats
+
+    @property
+    def labelsettings(self):
+        """Return a list of the labelsettings in the XML file.
+        The structure of the property:
+        labelsettings = [
+            {
+                'name': str
+                'labelsettings': QgsPalLayerSettings???
+            }
+        ]
+        """
+        return self._labelsettings