Make generation of default code for the modules in the codeeditorhelper...

Make generation of default code for the modules in the codeeditorhelper "intelligent", it only insert new methods if necessary and removes old code when not modified

codeeditorhelper.cpp

@@ -523,13 +523,56 @@ QString generateFilterCode(){
     return code;
 }
 
+void CodeEditorHelper::setModule(  Modules::Module* _module){
+        if(_module != module){
+                module = _module;
+                QObject::disconnect(typeConnection);
+                if(module){
+                    typeConnection = QObject::connect(module,&Modules::Module::typeChanged,this,&CodeEditorHelper::typeChanged);
+                    if(module->getCode().isEmpty()){
+                        //create default code
+                        if(module->getType()==Modules::Module::Program){
+                            module->setCode(generateProgrammCode());
+                        }else if(module->getType()==Modules::Module::LoopProgram){
+                            module->setCode(generateLoopProgrammCode());
+                        }else if(module->getType()==Modules::Module::Filter){
+                            module->setCode(generateFilterCode());
+                        }
+                    }
+                }
+                emit moduleChanged();
+        }
+}
+
 void CodeEditorHelper::typeChanged(){    
+    QString text = document->toPlainText().trimmed();
+    // check if we can replace the whole text(when it is empty or a default code)
+    bool replace = text.trimmed().isEmpty() ? true : text == generateFilterCode().trimmed() || text == generateLoopProgrammCode().trimmed() || text == generateProgrammCode().trimmed();
     if(module->getType()==Modules::Module::Program){
-        emit insertText(generateProgrammCode(),0);
+        // we only have to generate code if the current code dont have the right functions
+        if(replace)
+            module->setCode(generateProgrammCode());
+        else if(text.indexOf("int getProgrammLengthInMS()") <0 ||  text.indexOf("void start()") <0 ||  text.indexOf("ProgramState doStep(time_diff_t") <0){
+            //emit insertText(generateProgrammCode(),0);
+            module->setCode(generateProgrammCode() + module->getCode());
+            qDebug ()  << "insert ProgrammCode" << generateProgrammCode();
+        }
     }else if(module->getType()==Modules::Module::LoopProgram){
+        // we only have to generate code if the current code dont have the right functions
+        if(replace)
+            module->setCode(generateLoopProgrammCode());
+        else if(text.indexOf("int getProgrammLengthInMS()") <0 ||  text.indexOf("void start()") <0 ||  text.indexOf("void loopProgram()") <0){
             emit insertText(generateLoopProgrammCode(),0);
+            qDebug ()  << "insert LoopProgrammCode" << generateLoopProgrammCode();
+        }
     }else if(module->getType()==Modules::Module::Filter){
+        // we only have to generate code if the current code dont have the right functions
+        if(replace)
+            module->setCode(generateFilterCode());
+        else if(text.indexOf("unsigned int computeOutputLength(unsigned int inputLength)") <0 ||  text.indexOf("void filter()") <0 ||  text.indexOf("bool doStep(time_diff_t ") <0){
             emit insertText(generateFilterCode(),0);
+            qDebug ()  << "insert FilterCode " << generateFilterCode();
+        }
     }
 }
 

codeeditorhelper.h

@@ -94,15 +94,7 @@ public:
         return &codeCompletions;
     }
 
-    void setModule(  Modules::Module* _module){
-            if(_module != module){
-                    module = _module;
-                    QObject::disconnect(typeConnection);
-                    if(module)
-                        typeConnection = QObject::connect(module,&Modules::Module::typeChanged,this,&CodeEditorHelper::typeChanged);
-                    emit moduleChanged();
-            }
-    }
+    void setModule(  Modules::Module* _module);
     Modules::Module *getModule() const {
             return module;
     }
@@ -135,6 +127,11 @@ signals:
    void information(QString text);
    void moduleChanged();
    void documentChanged();
+   /**
+    * @brief insertText send a signal to the qml editor component to inform the component, that text should be inserted at the current cursor pos
+    * @param newText the text that should be inserted
+    * @param pos the new cursor after text inserting.
+    */
    void insertText(QString newText, int pos);
    protected:
    void typeChanged();