added cancel button to loading window

apps/opencs/model/doc/documentmanager.cpp

@@ -33,6 +33,8 @@ CSMDoc::DocumentManager::DocumentManager (const Files::ConfigurationManager& con
         this, SIGNAL (nextStage (CSMDoc::Document *, const std::string&, int)));
     connect (&mLoader, SIGNAL (nextRecord (CSMDoc::Document *)),
         this, SIGNAL (nextRecord (CSMDoc::Document *)));
+    connect (this, SIGNAL (cancelLoading (CSMDoc::Document *)),
+        &mLoader, SLOT (abortLoading (CSMDoc::Document *)));
 }
 
 CSMDoc::DocumentManager::~DocumentManager()

apps/opencs/model/doc/documentmanager.hpp

@@ -75,6 +75,8 @@ namespace CSMDoc
             void nextStage (CSMDoc::Document *document, const std::string& name, int steps);
 
             void nextRecord (CSMDoc::Document *document);
+
+            void cancelLoading (CSMDoc::Document *document);
     };
 }
 

apps/opencs/model/doc/loader.cpp

@@ -102,7 +102,7 @@ void CSMDoc::Loader::loadDocument (CSMDoc::Document *document)
     mDocuments.push_back (std::make_pair (document, Stage()));
 }
 
-void CSMDoc::Loader::abortLoading (Document *document)
+void CSMDoc::Loader::abortLoading (CSMDoc::Document *document)
 {
     for (std::vector<std::pair<Document *, Stage> >::iterator iter = mDocuments.begin();
         iter!=mDocuments.end(); ++iter)

apps/opencs/model/doc/loader.hpp

@@ -42,7 +42,7 @@ namespace CSMDoc
             void loadDocument (CSMDoc::Document *document);
             ///< The ownership of \a document is not transferred.
 
-            void abortLoading (Document *document);
+            void abortLoading (CSMDoc::Document *document);
             ///< Abort loading \a docuemnt (ignored if \a document has already finished being
             /// loaded). Will result in a documentNotLoaded signal, once the Loader has finished
             /// cleaning up.

apps/opencs/view/doc/loader.cpp

@@ -5,10 +5,12 @@
 #include <QLabel>
 #include <QProgressBar>
 #include <QCursor>
+#include <QDialogButtonBox>
 
 #include "../../model/doc/document.hpp"
 
 CSVDoc::LoadingDocument::LoadingDocument (CSMDoc::Document *document)
+: mDocument (document)
 {
     setWindowTitle (("Opening " + document->getSavePath().filename().string()).c_str());
 
@@ -43,11 +45,18 @@ CSVDoc::LoadingDocument::LoadingDocument (CSMDoc::Document *document)
     mRecordProgress->setTextVisible (true);
     mRecordProgress->setValue (0);
 
+    QDialogButtonBox *buttonBox = new QDialogButtonBox (QDialogButtonBox::Cancel, Qt::Horizontal,
+        this);
+
+    layout->addWidget (buttonBox);
+
     setLayout (layout);
 
     move (QCursor::pos());
 
     show();
+
+    connect (buttonBox, SIGNAL (rejected()), this, SLOT (cancel()));
 }
 
 void CSVDoc::LoadingDocument::nextStage (const std::string& name, int steps)
@@ -69,6 +78,11 @@ void CSVDoc::LoadingDocument::nextRecord()
         mRecordProgress->setValue (value);
 }
 
+void CSVDoc::LoadingDocument::cancel()
+{
+    emit cancel (mDocument);
+}
+
 
 CSVDoc::Loader::Loader() {}
 
@@ -81,7 +95,11 @@ CSVDoc::Loader::~Loader()
 
 void CSVDoc::Loader::add (CSMDoc::Document *document)
 {
-    mDocuments.insert (std::make_pair (document, new LoadingDocument (document)));
+    LoadingDocument *loading = new LoadingDocument (document);
+    mDocuments.insert (std::make_pair (document, loading));
+
+    connect (loading, SIGNAL (cancel (CSMDoc::Document *)),
+        this, SIGNAL (cancel (CSMDoc::Document *)));
 }
 
 void CSVDoc::Loader::loadingStopped (CSMDoc::Document *document, bool completed,

apps/opencs/view/doc/loader.hpp

@@ -5,6 +5,7 @@
 
 #include <QObject>
 #include <QWidget>
+#include <QSignalMapper>
 
 class QLabel;
 class QProgressBar;
@@ -20,6 +21,7 @@ namespace CSVDoc
     {
             Q_OBJECT
 
+            CSMDoc::Document *mDocument;
             QLabel *mFile;
             QProgressBar *mFileProgress;
             QProgressBar *mRecordProgress;
@@ -31,6 +33,14 @@ namespace CSVDoc
             void nextStage (const std::string& name, int steps);
 
             void nextRecord();
+
+        private slots:
+
+            void cancel();
+
+        signals:
+
+            void cancel (CSMDoc::Document *document);
     };
 
     class Loader : public QObject
@@ -45,6 +55,10 @@ namespace CSVDoc
 
             virtual ~Loader();
 
+        signals:
+
+            void cancel (CSMDoc::Document *document);
+
         public slots:
 
             void add (CSMDoc::Document *document);

apps/opencs/view/doc/viewmanager.cpp

@@ -99,6 +99,10 @@ CSVDoc::ViewManager::ViewManager (CSMDoc::DocumentManager& documentManager)
     connect (
         &mDocumentManager, SIGNAL (nextRecord (CSMDoc::Document *)),
         &mLoader, SLOT (nextRecord (CSMDoc::Document *)));
+
+    connect (
+        &mLoader, SIGNAL (cancel (CSMDoc::Document *)),
+        &mDocumentManager, SIGNAL (cancelLoading (CSMDoc::Document *)));
 }
 
 CSVDoc::ViewManager::~ViewManager()