Class with example logic for a simple host

Plugins/org.commontk.dah.examplehost/CMakeLists.txt

@@ -8,6 +8,7 @@ set(PLUGIN_SRCS
   ctkExampleDicomHostPlugin_p.h
   ctkHostedAppPlaceholderWidget.cpp
   ctkExampleHostControlWidget.cpp
+  ctkExampleHostLogic.cpp
 )
 
 # Files which should be processed by Qts moc
@@ -16,6 +17,7 @@ set(PLUGIN_MOC_SRCS
   ctkExampleDicomHostPlugin_p.h
   ctkHostedAppPlaceholderWidget.h
   ctkExampleHostControlWidget.h
+  ctkExampleHostLogic.h
 )
 
 # Qt Designer files which should be processed by Qts uic

Plugins/org.commontk.dah.examplehost/ctkExampleHostLogic.cpp

@@ -0,0 +1,135 @@
+// Qt includes
+#include <QDebug>
+#include <QFileDialog>
+#include <QApplication>
+#include <QModelIndex>
+#include <QTreeView>
+#include <QItemSelectionModel>
+
+// ctk includes
+#include "ctkExampleHostLogic.h"
+#include "ctkHostedAppPlaceholderWidget.h"
+#include "ctkExampleHostControlWidget.h"
+#include "ctkExampleDicomHost.h"
+#include "ctkDicomAvailableDataHelper.h"
+
+ctkExampleHostLogic::ctkExampleHostLogic(ctkHostedAppPlaceholderWidget* placeHolder, 
+                                             QWidget* placeHolderForControls, int hostPort, int appPort) : 
+  QObject(placeHolder), 
+  PlaceHolderForHostedApp(placeHolder),
+  PlaceHolderForControls(placeHolderForControls),
+//  ValidSelection(false),
+  LastData(false),
+  SendData(false)
+{
+  this->Host = new ctkExampleDicomHost(PlaceHolderForHostedApp, hostPort, appPort);
+  this->HostControls = new ctkExampleHostControlWidget(Host, PlaceHolderForControls);
+
+  Data = new ctkDicomAppHosting::AvailableData;
+
+  disconnect(this->Host,SIGNAL(startProgress()),this->Host,SLOT(onStartProgress()));
+  connect(this->Host,SIGNAL(appReady()),this,SLOT(onAppReady()), Qt::QueuedConnection);
+  connect(this->Host,SIGNAL(startProgress()),this,SLOT(publishSelectedData()), Qt::QueuedConnection);
+  connect(this->PlaceHolderForHostedApp,SIGNAL(resized()),this,SLOT(placeHolderResized()));
+
+  connect( qApp, SIGNAL(aboutToQuit()), this, SLOT(aboutToQuit()) );
+}
+
+ctkExampleHostLogic::~ctkExampleHostLogic()
+{
+  delete Data;
+}
+
+void ctkExampleHostLogic::aboutToQuit()
+{
+  this->Host->exitApplicationBlocking();
+
+  delete this->Host;
+  this->Host = 0;
+}
+
+void ctkExampleHostLogic::configureHostedApp()
+{
+  //qDebug() << "load button clicked";
+  AppFileName = QFileDialog::getOpenFileName(PlaceHolderForHostedApp,"Choose hosted application",QApplication::applicationDirPath());
+  HostControls->setAppFileName(AppFileName);
+//  emit SelectionValid(((this->Host) && (this->HostControls->validAppFileName()) && (ValidSelection)));
+}
+
+void ctkExampleHostLogic::sendData(ctkDicomAppHosting::AvailableData& data, bool lastData)
+{
+ if ((this->Host) && (this->HostControls->validAppFileName()) /*&& (ValidSelection)*/)
+  {
+    *Data = data;
+    LastData = lastData;
+ 
+    SendData = true;
+    if(this->Host->getApplicationState() == ctkDicomAppHosting::EXIT)
+    {
+      this->HostControls->StartApplication(this->AppFileName);
+    }
+    if(this->Host->getApplicationState() == ctkDicomAppHosting::IDLE)
+    {
+      bool reply = this->Host->getDicomAppService()->setState(ctkDicomAppHosting::INPROGRESS);
+    }
+    if(this->Host->getApplicationState() == ctkDicomAppHosting::INPROGRESS)
+    {
+      publishSelectedData();
+    }
+  }
+}
+
+void ctkExampleHostLogic::onAppReady()
+{
+//  emit SelectionValid(ValidSelection);
+  if(SendData)
+  {
+    bool reply = this->Host->getDicomAppService()->setState(ctkDicomAppHosting::INPROGRESS);
+    qDebug() << "  setState(INPROGRESS) returned: " << reply;
+
+    QRect rect (this->PlaceHolderForHostedApp->getAbsolutePosition());
+    this->Host->getDicomAppService()->bringToFront(rect);
+  }
+}
+
+//----------------------------------------------------------------------------
+void ctkExampleHostLogic::publishSelectedData()
+{
+  if(SendData)
+  {
+    qDebug()<<"send dataDescriptors";
+    bool success = Host->publishData(*Data, LastData);
+    if(!success)
+    {
+      qCritical() << "Failed to publish data";
+    }
+    qDebug() << "  notifyDataAvailable returned: " << success;
+    SendData=false;
+
+    QRect rect (this->PlaceHolderForHostedApp->getAbsolutePosition());
+    this->Host->getDicomAppService()->bringToFront(rect);
+  }
+}
+
+//----------------------------------------------------------------------------
+void ctkExampleHostLogic::placeHolderResized()
+{
+  ///the following does not work (yet)
+  if((this->Host) && (this->Host->getApplicationState() != ctkDicomAppHosting::EXIT))
+  {
+    QRect rect (this->PlaceHolderForHostedApp->getAbsolutePosition());
+    this->Host->getDicomAppService()->bringToFront(rect);
+  }
+}
+
+//----------------------------------------------------------------------------
+ctkExampleDicomHost* ctkExampleHostLogic::getHost()
+{
+  return this->Host;
+}
+
+//----------------------------------------------------------------------------
+ctkExampleHostControlWidget* ctkExampleHostLogic::getHostControls()
+{
+  return this->HostControls;
+}

Plugins/org.commontk.dah.examplehost/ctkExampleHostLogic.h

@@ -0,0 +1,49 @@
+#ifndef CTKDICOMHOSTMAINLOGIC_H
+#define CTKDICOMHOSTMAINLOGIC_H
+
+#include <QObject>
+#include <QStringList>
+
+#include "ctkDicomAppHostingTypes.h"
+
+#include <org_commontk_dah_examplehost_Export.h>
+
+class ctkHostedAppPlaceholderWidget;
+class ctkExampleDicomHost;
+class ctkExampleHostControlWidget;
+class ctkDICOMAppWidget;
+class QModelIndex;
+class QItemSelection;
+
+class ctkExampleDicomHost;
+
+class org_commontk_dah_examplehost_EXPORT ctkExampleHostLogic :
+  public QObject
+{
+  Q_OBJECT
+public:
+  ctkExampleHostLogic(ctkHostedAppPlaceholderWidget*, QWidget* placeHolderForControls, int hostPort = 8080, int appPort = 8081);
+  virtual ~ctkExampleHostLogic();
+  ctkExampleDicomHost* getHost();
+  ctkExampleHostControlWidget* getHostControls();
+public slots:
+  void configureHostedApp();
+  void sendData(ctkDicomAppHosting::AvailableData& data, bool lastData);
+protected slots:
+  void publishSelectedData();
+  void onAppReady();
+  void placeHolderResized();
+  void aboutToQuit();
+protected:
+  ctkExampleDicomHost* Host;
+  ctkExampleHostControlWidget* HostControls;
+  ctkHostedAppPlaceholderWidget* PlaceHolderForHostedApp;
+  QWidget* PlaceHolderForControls;
+  ctkDicomAppHosting::AvailableData* Data;
+  QString AppFileName;
+  //bool ValidSelection;
+  bool LastData;
+  bool SendData;
+};
+
+#endif