redid constructors and some other stuff in examples

this is preparation for ske implementation.

src/model/example/component_lexeme.py

@@ -1,7 +1,7 @@
 from model.data import Data
 
 class ComponentLexeme(Data):
-    def __init__(self, xml):
+    def __init__(self):
         self.other_attributes = {}
         self.text = ""
         self.role = ""

src/model/example/corpus_example.py

@@ -1,8 +1,10 @@
 from lib.snabbdom import h
 
 class CorpusExample:
-    def __init__(self, example_xml):
+    def __init__(self):
         self.other_attributes = {}
+    
+    def import_xml(self, example_xml):
         for oth_attr in ["example_id", "modified", "lexical_unit_id", "audio"]:
             if example_xml.hasAttribute(oth_attr):
                 self.other_attributes[oth_attr] = example_xml.getAttribute(oth_attr)

src/model/example/example.py

@@ -25,7 +25,8 @@ class Example(Data):
             self.inner = CorpusExample(inner_xml)
         else:
             inner_xml = example_xml.querySelector("multiwordExample") 
-            self.inner = MultiwordExample(inner_xml)
+            self.inner = MultiwordExample()
+            self.inner.import_xml(inner_xml)
             
         for comp_xml in inner_xml.childNodes:
             comp = ComponentLexeme()

src/model/example/multiword_example.py

@@ -4,6 +4,10 @@ from model.example_clusters import ExampleClusters
 class MultiwordExample:
     def __init__(self, example_xml):
         self.other_attributes = {}
+        self.cluster = -1
+        self.type = None
+    
+    def import_xml(self, example_xml):
         for oth_attr in ["lexical_unit_id", "structure_id", "structureName", "audio", "frequency", "logDice"]:
             if example_xml.hasAttribute(oth_attr):
                 self.other_attributes[oth_attr] = example_xml.getAttribute(oth_attr)
@@ -12,8 +16,6 @@ class MultiwordExample:
         
         if example_xml.hasAttribute("type"):
             self.type = example_xml.getAttribute("type")
-        else:
-            self.type = None
             
     @staticmethod
     def _determine_cluster_number(example_xml):
@@ -21,7 +23,7 @@ class MultiwordExample:
             return ExampleClusters.first_empty_cluster()
         else:
             cluster = int(example_xml.getAttribute("cluster"))
-            ExampleClusters.register_cluster(cluster)
+            ExampleClusters.register_index(cluster)
             return cluster
             
     def export(self, doc):