diff --git a/honoka/src/honoka_imengine.cpp b/honoka/src/honoka_imengine.cpp
index cdaa3c6..6656e9c 100644
--- a/honoka/src/honoka_imengine.cpp
+++ b/honoka/src/honoka_imengine.cpp
@@ -208,6 +208,11 @@
     if (p->getPluginType() == "Predictor") {
         predictors.push_back(static_cast<Predictor *>(p));
         return true;
+    } else
+    // TextFilterの場合。
+    if (p->getPluginType() == "TextFilter") {
+        filters.push_back(static_cast<TextFilter *>(p));
+        return true;
     }
     return false;
 }
@@ -290,11 +295,13 @@
     if (!convertors.size()) convertors.push_back(new Convertor(_scim_config));
     if (!preeditors.size()) preeditors.push_back(new PreEditor(_scim_config));
     if (!predictors.size()) predictors.push_back(new Predictor(_scim_config));
+    if (!filters.size()) filters.push_back(new TextFilter(_scim_config));
     
     // 初期利用Convertor/PreEditorを指定します。
     m_convertor = convertors.at(0);
     m_preeditor = preeditors.at(0);
     m_predictor = predictors.at(0);
+    m_filter = filters.at(0);
     
     m_multi = new MultiConvertor(_scim_config,this);
     
@@ -316,6 +323,7 @@
     convertors.clear();
     preeditors.clear();
     predictors.clear();
+    filters.clear();
     delete acpredictor;
     delete m_multi;
     plugins.clear();
@@ -654,6 +662,24 @@
 
 
 /*!
+    \fn HonokaInstance::changeFilter(const String &name)
+ */
+bool HonokaInstance::changeFilter(const String &name)
+{
+    // Filterを変更するメソッド。
+    for(unsigned int i = 0;i < filters.size();i ++) {
+        if (filters[i]->getName() == name) {
+            m_filter->unSelected();
+            m_filter = filters[i];
+            m_filter->selected();
+            return true;
+        }
+    }
+    return false;
+}
+
+
+/*!
     \fn HonokaInstance::updateProperty()
  */
 void HonokaInstance::updateProperty()
diff --git a/honoka/src/honoka_imengine.h b/honoka/src/honoka_imengine.h
index 7bca1b2..0ae59e1 100644
--- a/honoka/src/honoka_imengine.h
+++ b/honoka/src/honoka_imengine.h
@@ -41,6 +41,7 @@
 #include <convertor.h>
 #include <preeditor.h>
 #include <predictor.h>
+#include <textfilter.h>
 #include <honokamultiplepluginbase.h>
 #include <honokakeyeventlist.h>
 #include <honokastatus.h>
@@ -122,6 +123,7 @@
     Convertor *m_def_convertor;
     Predictor *m_predictor;
     Convertor *m_splitter;
+    TextFilter *m_filter;
     //bool m_conversion;
     //bool m_prediction;
     //bool m_lookup;
@@ -149,6 +151,7 @@
     vector<PreEditor *> preeditors;
     vector<Convertor *> convertors;
     vector<Predictor *> predictors;
+    vector<TextFilter *> filters;
     WideString yomi;
     stack<WideString> preeditStack;
     Convertor *m_multi;
@@ -176,6 +179,7 @@
     bool changeConvertor(const String &name);
     bool changePredictor(const String &name);
     bool changeSplitter(const String &name);
+    bool changeFilter(const String &name);
     void autoConversion();
     bool pluginCheck(HonokaPluginBase *p);
     WideString getPosPerCount(int p,int c);