Connected Dials plugin to UAVObjects. Does not actually update yet but we're getting there.

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@641 ebee16cc-31ac-478f-84a7-5cbb03baadba

ground/src/plugins/airspeed/AirspeedGadget.pluginspec

@@ -6,5 +6,6 @@
     <url>http://www.openpilot.org</url>
     <dependencyList>
         <dependency name="Core" version="1.0.0"/>
+        <dependency name="UAVObjects" version="0.0.1"/>
     </dependencyList>
 </plugin>    

ground/src/plugins/airspeed/airspeed.pro

@@ -3,7 +3,7 @@ TARGET = AirspeedGadget
 QT += svg
 include(../../openpilotgcsplugin.pri)
 include(../../plugins/coreplugin/coreplugin.pri)
-include(../../libs/qwt/qwt.pri)
+include(airspeed_dependencies.pri)
 HEADERS += airspeedplugin.h
 HEADERS += airspeedgadget.h
 HEADERS += airspeedgadgetwidget.h

ground/src/plugins/airspeed/airspeed_dependencies.pri

@@ -0,0 +1 @@
+include(../../plugins/uavobjects/uavobjects.pri)

ground/src/plugins/airspeed/airspeedgadgetwidget.cpp

@@ -26,9 +26,9 @@
  */
 
 #include "airspeedgadgetwidget.h"
-
+#include "extensionsystem/pluginmanager.h"
+#include "uavobjects/uavobjectmanager.h"
 #include <iostream>
-#include <QtGui/QFileDialog>
 #include <QDebug>
 
 AirspeedGadgetWidget::AirspeedGadgetWidget(QWidget *parent) : QGraphicsView(parent)
@@ -64,8 +64,43 @@ AirspeedGadgetWidget::~AirspeedGadgetWidget()
    // Do nothing
 }
 
+/*!
+  \brief Connects the widget to the relevant UAVObjects
+  */
 void AirspeedGadgetWidget::connectNeedles(QString object1, QString field1, QString object2, QString field2 ) {
 
+    ExtensionSystem::PluginManager *pm = ExtensionSystem::PluginManager::instance();
+    UAVObjectManager *objManager = pm->getObject<UAVObjectManager>();
+
+    // Check validity of arguments first, reject empty args and unknown fields.
+    if (!(object1.isEmpty() || field1.isEmpty())) {
+        UAVDataObject* obj = dynamic_cast<UAVDataObject*>( objManager->getObject(object1) );
+        if (obj != NULL ) {
+            connect(obj, SIGNAL(objectUpdated(UAVObject*)), this, SLOT(updateNeedles(UAVObject*)));
+        } else {
+            std::cout << "Error: Object is unknown (" << object1.toStdString() << ")." << std::endl;
+        }
+    }
+
+    // And do the same for the second needle.
+    if (!(object2.isEmpty() || field2.isEmpty())) {
+        UAVDataObject* obj = dynamic_cast<UAVDataObject*>( objManager->getObject(object2) );
+        if (obj != NULL ) {
+            connect(obj, SIGNAL(objectUpdated(UAVObject*)), this, SLOT(updateNeedles(UAVObject*)));
+        } else {
+            std::cout << "Error: Object is unknown (" << object2.toStdString() << ")." << std::endl;
+        }
+    }
+}
+
+
+/*!
+  \brief Called by the systemalarms UAVObject
+  */
+void AirspeedGadgetWidget::updateNeedles(UAVObject *systemObject) {
+
+    // UAVObjectField* field = obj->getField(QString("Field1"));
+
 }
 
 

ground/src/plugins/airspeed/airspeedgadgetwidget.h

@@ -29,12 +29,12 @@
 #define AIRSPEEDGADGETWIDGET_H_
 
 #include "airspeedgadgetconfiguration.h"
+#include "uavobjects/uavobject.h"
 #include <QGraphicsView>
 #include <QtSvg/QSvgRenderer>
 #include <QtSvg/QGraphicsSvgItem>
 
 #include <QFile>
-// Used for test purposes
 #include <QTimer>
 
 class AirspeedGadgetWidget : public QGraphicsView
@@ -67,6 +67,7 @@ private:
 private slots:
    // Test function
    void testRotate();
+   void updateNeedles(UAVObject *systemAlarm); // Called by the systemalarms UAVObject
    void rotateNeedles();
 
 private: