GCS/emptygadget: EmptyGadget is a placeholder uavgadget. GCS is no longer well behaved with zero gadget plugins so it is recommended to always have emptygadget loaded.

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@338 ebee16cc-31ac-478f-84a7-5cbb03baadba

ground/src/plugins/emptygadget/EmptyGadget.pluginspec

@@ -0,0 +1,10 @@
+<plugin name="EmptyGadget" version="1.0.0" compatVersion="1.0.0">
+    <vendor>The OpenPilot Project</vendor>
+    <copyright>(C) 2010 OpenPilot Project</copyright>
+    <license></license>
+    <description>An empty gadget!</description>
+    <url>http://www.openpilot.org</url>
+    <dependencyList>
+        <dependency name="Core" version="1.0.0"/>
+    </dependencyList>
+</plugin>    

ground/src/plugins/emptygadget/emptygadget.cpp

@@ -0,0 +1,21 @@
+/*
+ * emptygadget.cpp
+ *
+ *  Created on: Mar 11, 2010
+ *      Author: peter
+ */
+#include "emptygadget.h"
+#include "emptygadgetwidget.h"
+#include <QtGui/QToolBar>
+
+EmptyGadget::EmptyGadget(EmptyGadgetWidget *widget) :
+        IUAVGadget(widget),
+        m_widget(widget),
+        m_toolbar(new QToolBar())
+{
+}
+
+EmptyGadget::~EmptyGadget()
+{
+
+}

ground/src/plugins/emptygadget/emptygadget.h

@@ -0,0 +1,40 @@
+/*
+ * emptygadget.h
+ *
+ *  Created on: Mar 11, 2010
+ *      Author: peter
+ */
+
+#ifndef EMPTYGADGET_H_
+#define EMPTYGADGET_H_
+
+#include <coreplugin/iuavgadget.h>
+
+class IUAVGadget;
+//class QList<int>;
+class QWidget;
+class QString;
+class EmptyGadgetWidget;
+
+using namespace Core;
+
+class EmptyGadget : public Core::IUAVGadget
+{
+    Q_OBJECT
+public:
+    EmptyGadget(EmptyGadgetWidget *widget = 0);
+    ~EmptyGadget();
+
+    QList<int> context() const { return m_context; }
+    QWidget *widget() { return m_widget; }
+    QString contextHelpId() const { return QString(); }
+
+    QWidget *toolBar() { return m_toolbar; }
+private:
+        QWidget *m_widget;
+        QWidget *m_toolbar;
+	QList<int> m_context;
+};
+
+
+#endif // EMPTYGADGET_H_

ground/src/plugins/emptygadget/emptygadget.pro

@@ -0,0 +1,16 @@
+TEMPLATE = lib 
+TARGET = EmptyGadget
+
+include(../../openpilotgcsplugin.pri)
+include(../../plugins/coreplugin/coreplugin.pri) 
+
+HEADERS += emptyplugin.h
+HEADERS += emptygadget.h
+HEADERS += emptygadgetwidget.h
+HEADERS += emptygadgetfactory.h
+SOURCES += emptyplugin.cpp
+SOURCES += emptygadget.cpp
+SOURCES += emptygadgetfactory.cpp
+SOURCES += emptygadgetwidget.cpp
+
+OTHER_FILES += EmptyGadget.pluginspec

ground/src/plugins/emptygadget/emptygadgetfactory.cpp

@@ -0,0 +1,28 @@
+/*
+ * emptygadgetfactory.cpp
+ *
+ *  Created on: Mar 11, 2010
+ *      Author: peter
+ */
+#include "emptygadgetfactory.h"
+#include "emptygadgetwidget.h"
+#include "emptygadget.h"
+#include <coreplugin/iuavgadget.h>
+
+EmptyGadgetFactory::EmptyGadgetFactory(QObject *parent) : IUAVGadgetFactory(parent)
+{
+}
+
+EmptyGadgetFactory::~EmptyGadgetFactory()
+{
+
+}
+
+Core::IUAVGadget* EmptyGadgetFactory::createUAVGadget(QWidget *parent) {
+        EmptyGadgetWidget* gadgetWidget = new EmptyGadgetWidget(parent);
+        return new EmptyGadget(gadgetWidget);
+}
+
+QString EmptyGadgetFactory::name() {
+        return QString("EmptyGadget");
+}

ground/src/plugins/emptygadget/emptygadgetfactory.h

@@ -0,0 +1,28 @@
+/*
+ * emptygadgetfactory.h
+ *
+ *  Created on: Mar 6, 2010
+ *      Author: peter
+ */
+
+#ifndef EMPTYGADGETFACTORY_H_
+#define EMPTYGADGETFACTORY_H_
+
+#include <coreplugin/iuavgadgetfactory.h>
+
+using namespace Core;
+class IUAVGadget;
+class IUAVGadgetFactory;
+
+class EmptyGadgetFactory : public Core::IUAVGadgetFactory
+{
+    Q_OBJECT
+public:
+    EmptyGadgetFactory(QObject *parent = 0);
+    ~EmptyGadgetFactory();
+
+    Core::IUAVGadget *createUAVGadget(QWidget *parent);
+    QString name();
+};
+
+#endif // EMPTYGADGETFACTORY_H_

ground/src/plugins/emptygadget/emptygadgetwidget.cpp

@@ -0,0 +1,28 @@
+/*
+ * emptygadgetwidget.cpp
+ *
+ *  Created on: Mar 6, 2010
+ *      Author: peter
+ */
+#include "emptygadgetwidget.h"
+
+#include <QDebug>
+#include <QStringList>
+#include <QtGui/QWidget>
+#include <QtGui/QTextEdit>
+#include <QtGui/QVBoxLayout>
+#include <QtGui/QPushButton>
+
+EmptyGadgetWidget::EmptyGadgetWidget(QWidget *parent) : QLabel(parent)
+{
+    setMinimumSize(64,64);
+    setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
+    setText(QString("Empty gadget"));
+
+}
+
+EmptyGadgetWidget::~EmptyGadgetWidget()
+{
+   // Do nothing
+}
+

ground/src/plugins/emptygadget/emptygadgetwidget.h

@@ -0,0 +1,27 @@
+/*
+ * emptygadgetwidget.h
+ *
+ *  Created on: Mar 6, 2010
+ *      Author: peter
+ */
+
+#ifndef EMPTYGADGETWIDGET_H_
+#define EMPTYGADGETWIDGET_H_
+
+#include <QtGui/QWidget>
+#include <QtGui/QLabel>
+class QWidget;
+class QLabel;
+
+class EmptyGadgetWidget : public QLabel
+{
+    Q_OBJECT
+
+public:
+    EmptyGadgetWidget(QWidget *parent = 0);
+   ~EmptyGadgetWidget();
+
+private:
+};
+
+#endif /* EMPTYGADGETWIDGET_H_ */

ground/src/plugins/emptygadget/emptyplugin.cpp

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+/*
+ * emptyplugin.cpp
+ *
+ *  Created on: Mar 6, 2010
+ *      Author: peter
+ */
+#include "emptyplugin.h"
+#include "emptygadgetfactory.h"
+#include <QDebug>
+#include <QtPlugin>
+#include <QStringList>
+#include <extensionsystem/pluginmanager.h>
+
+
+EmptyPlugin::EmptyPlugin()
+{
+   // Do nothing
+}
+
+EmptyPlugin::~EmptyPlugin()
+{
+   // Do nothing
+}
+
+bool EmptyPlugin::initialize(const QStringList& args, QString *errMsg)
+{
+   Q_UNUSED(args);
+   Q_UNUSED(errMsg);
+   mf = new EmptyGadgetFactory(this);
+   addAutoReleasedObject(mf);
+   qDebug() << "EmptyPlugin::initialize()";
+
+   return true;
+}
+
+void EmptyPlugin::extensionsInitialized()
+{
+   // Do nothing
+}
+
+void EmptyPlugin::shutdown()
+{
+   // Do nothing
+}
+Q_EXPORT_PLUGIN(EmptyPlugin)
+

ground/src/plugins/emptygadget/emptyplugin.h

@@ -0,0 +1,27 @@
+/*
+ * emptyplugin.h
+ *
+ *  Created on: Mar 6, 2010
+ *      Author: peter
+ */
+
+#ifndef EMPTYPLUGIN_H_
+#define EMPTYPLUGIN_H_
+
+#include <extensionsystem/iplugin.h>
+
+class EmptyGadgetFactory;
+
+class EmptyPlugin : public ExtensionSystem::IPlugin
+{
+public:
+        EmptyPlugin();
+   ~EmptyPlugin();
+
+   void extensionsInitialized();
+   bool initialize(const QStringList & arguments, QString * errorString);
+   void shutdown();
+private:
+   EmptyGadgetFactory *mf;
+};
+#endif /* EMPTYPLUGIN_H_ */