Show the 8 most recently used projects in the File menu

git-svn-id: http://svn.osgeo.org/qgis/trunk@2582 c8812cc2-4d05-0410-92ff-de0c093fc19c

src/qgisapp.cpp

@@ -32,6 +32,7 @@
 #include <qdir.h>
 #include <qerrormessage.h>
 #include <qfiledialog.h>
+#include <qfile.h>
 #include <qfileinfo.h>
 #include <qinputdialog.h>
 #include <qlabel.h>
@@ -405,6 +406,36 @@ QgisApp::QgisApp(QWidget * parent, const char *name, WFlags fl)
     //TODO Fix this ToolBar pointer to be named consistently
     QWhatsThis::whatsThisButton(helpToolbar);
     
+    // Add the recently accessed project file paths to the File menu
+    mRecentProjectPaths = settings.readListEntry("/qgis/UI/recentProjectsList");
+    // Exit is the last item. Find it and insert these just before it
+    uint count = popupMenuFile->count();
+    // Remember the items before and after the paths so we can manipulate them later
+    popupMenuFile->setId(count - 2, 123); // item before paths
+    popupMenuFile->setId(count - 1, 321); // Exit - comes after paths
+    uint currentIndex = count - 1;
+    popupMenuFile->insertSeparator(currentIndex++);
+    if (mRecentProjectPaths.size() > 0)
+    {
+        uint IdCounter = 1;
+        for ( QStringList::Iterator it = mRecentProjectPaths.begin();
+                it != mRecentProjectPaths.end();
+                ++it )
+        {
+            int myId = IdCounter++;
+            popupMenuFile->insertItem((*it), this, SLOT(openProject(int)), 0, myId, currentIndex++);
+            // This parameter corresponds to this path's index
+            // in mRecentProjectPaths
+            popupMenuFile->setItemParameter(myId, myId - 1);
+            // Disable this menu item if the file has been removed
+            if (!QFile::exists((*it)))
+            {
+                popupMenuFile->setItemEnabled(myId, FALSE);
+            }
+        }
+        popupMenuFile->insertSeparator(currentIndex);
+    }
+    
     // Add the empty plugin menu
     mPluginMenu = new QPopupMenu(this);
     // Add the plugin manager action to it
@@ -1633,6 +1664,9 @@ void QgisApp::fileOpen()
                 emit projectRead();     // let plug-ins know that we've read in a new
                 // project so that they can check any project
                 // specific plug-in state
+                
+                // add this to the list of recently used project files
+                saveRecentProjectPath(fullPath, settings);
             }
         }
         catch ( std::exception & e )
@@ -1775,6 +1809,8 @@ void QgisApp::fileSaveAs()
     if ( QgsProject::instance()->write() )
     {
         statusBar()->message(tr("Saved map to:") + " " + QgsProject::instance()->filename() );
+        // add this to the list of recently used project files
+        saveRecentProjectPath(fullPath, settings);
     }
     else
     {
@@ -4131,3 +4167,71 @@ void QgisApp::keyPressEvent ( QKeyEvent * e )
     std::cout << e->ascii() << " (keypress recevied)" << std::endl;
     emit keyPressed (e);
 }
+
+
+// add this file to the recently opened/saved projects list
+void QgisApp::saveRecentProjectPath(QString projectPath, QSettings & settings)
+{
+    // If this file is already in the list, remove it
+    mRecentProjectPaths.remove(projectPath);
+    
+    // Prepend this file to the list
+    mRecentProjectPaths.prepend(projectPath);
+    
+    // Keep the list to 8 items by trimming excess off the bottom
+    while (mRecentProjectPaths.count() > 8)
+    {
+        mRecentProjectPaths.pop_back();
+    }
+    
+    // Persist the list
+    settings.writeEntry("/qgis/UI/recentProjectsList", mRecentProjectPaths);
+    
+    // Update the file menu with the changed list
+    // Find the item before the paths in the menu
+    uint currentIndex = popupMenuFile->indexOf(123);
+    currentIndex++;
+    // Remove existing paths from the file menu
+    while (currentIndex != popupMenuFile->indexOf(321))
+    {
+        popupMenuFile->removeItemAt(currentIndex);
+    }
+    // Add back in the updated list of paths
+    uint IdCounter = 1;
+    popupMenuFile->insertSeparator(currentIndex++);
+    for ( QStringList::Iterator it = mRecentProjectPaths.begin();
+            it != mRecentProjectPaths.end();
+            ++it )
+    {
+        int myId = IdCounter++;
+        popupMenuFile->insertItem((*it), this, SLOT(openProject(int)), 0, myId, currentIndex++);
+        // This parameter corresponds to this path's index
+        // in mRecentProjectPaths
+        popupMenuFile->setItemParameter(myId, myId - 1);
+        // Disable this menu item if the file has been removed
+        if (!QFile::exists((*it)))
+        {
+            popupMenuFile->setItemEnabled(myId, FALSE);
+        }
+    }
+    popupMenuFile->insertSeparator(currentIndex);
+}
+
+
+// Open the project file corresponding to the
+// path at the given index in mRecentProjectPaths
+void QgisApp::openProject(int pathIndex)
+{
+    // possibly save any pending work before opening a different project
+    int answer = saveDirty();
+
+    if (answer != QMessageBox::Cancel)
+    {
+        QStringList::Iterator it = mRecentProjectPaths.at(pathIndex);
+        addProject((*it));
+        
+        // move to the top of the list of recently used project files
+        QSettings settings;
+        saveRecentProjectPath((*it), settings);
+    }
+}

src/qgisapp.h

@@ -35,6 +35,7 @@ class QListViewItem;
 class QProgressBar;
 class QFileInfo;
 class QgsMapLayer;
+class QSettings;
 class QSocket;
 class QgsProviderRegistry;
 class QgsHelpViewer;
@@ -222,6 +223,10 @@ private:
     void select();
     //! check to see if file is dirty and if so, prompt the user th save it
     int saveDirty();
+    //! add this file to the recently opened/saved projects list
+    //  pass settings by reference since creating more than one
+    //! instance simultaneously results in data loss.
+    void saveRecentProjectPath(QString projectPath, QSettings & settings);
 
 private slots:
 
@@ -298,6 +303,9 @@ private slots:
     void hideAllLayers();
     //reimplements method from base (gui) class
     void showAllLayers();
+    //! Open the project file corresponding to the
+    //! path at the given index in mRecentProjectPaths
+    void openProject(int pathIndex);
 
 
 
@@ -445,6 +453,8 @@ private:
     std::map<QString, int>mMenuMapByName;
     //! menu map (key is menu id, value is name)
     std::map<int, QString>mMenuMapById;
+    //! list of recently opened/saved project files
+    QStringList mRecentProjectPaths;
 };
 
 #endif

src/src.pro

@@ -1,3 +1,120 @@
+TEMPLATE	= app
+LANGUAGE	= C++
+
+CONFIG	+= qt thread rtti debug console
+
+LIBS	+= $(GDAL)\lib\gdal_i.lib $(POSTGRESQL)\src\interfaces\libpq\Release\libpq.lib $(GEOS)\lib\geos.lib
+
+DEFINES	+= QGISDEBUG
+
+INCLUDEPATH	+= . $(GDAL)\include $(POSTGRESQL)\src\interfaces\libpq $(POSTGRESQL)\src\include $(GEOS)\include
+
+HEADERS	+= qgscolortable.h
+
+SOURCES	+= main.cpp \
+	qgisapp.cpp \
+	qgisiface.cpp \
+	qgisinterface.cpp \
+	qgsattributeaction.cpp \
+	qgsattributeactiondialog.cpp \
+	qgsattributedialog.cpp \
+	qgsattributetable.cpp \
+	qgsattributetabledisplay.cpp \
+	qgscontcoldialog.cpp \
+	qgscontinuouscolrenderer.cpp \
+	qgscoordinatetransform.cpp \
+	qgscustomsymbol.cpp \
+	qgsdatasource.cpp \
+	qgsdbsourceselect.cpp \
+	qgsdlgvectorlayerproperties.cpp \
+	qgsfeature.cpp \
+	qgsfeatureattribute.cpp \
+	qgsfield.cpp \
+	qgsgraduatedmarenderer.cpp \
+	qgsgraduatedsymrenderer.cpp \
+	qgsgramadialog.cpp \
+	qgsgramaextensionwidget.cpp \
+	qgsgrasydialog.cpp \
+	qgshelpviewer.cpp \
+	qgsidentifyresults.cpp \
+	qgslegend.cpp \
+	qgslegenditem.cpp \
+	qgslinestyledialog.cpp \
+	qgslinesymbol.cpp \
+	qgsmapcanvas.cpp \
+	qgsmaplayer.cpp \
+	qgsmaplayerregistry.cpp \
+	qgsmapserverexport.cpp \
+	qgsmarkerdialog.cpp \
+	qgsmarkersymbol.cpp \
+	qgsnewconnection.cpp \
+	qgsoptions.cpp \
+	qgspatterndialog.cpp \
+	qgspgquerybuilder.cpp \
+	qgspluginitem.cpp \
+	qgspluginmanager.cpp \
+	qgspluginmetadata.cpp \
+	qgspluginregistry.cpp \
+	qgspoint.cpp \
+	qgspolygonsymbol.cpp \
+	qgsproject.cpp \
+	qgsprojectproperties.cpp \
+	qgsprovidermetadata.cpp \
+	qgsproviderregistry.cpp \
+	qgsrangerenderitem.cpp \
+	qgsrasterlayer.cpp \
+	qgsrasterlayerproperties.cpp \
+	qgsrect.cpp \
+	qgsrenderitem.cpp \
+	qgsscalecalculator.cpp \
+	qgssimadialog.cpp \
+	qgssimarenderer.cpp \
+	qgssinglesymrenderer.cpp \
+	qgssisydialog.cpp \
+	qgssymbol.cpp \
+	qgssymbologyutils.cpp \
+	qgsvectorlayer.cpp \
+	qgssvgcache.cpp \
+	splashscreen.cpp \
+	qgsacetateobject.cpp \
+	qgslabeldialog.cpp \
+	qgslabel.cpp \
+	qgslabelattributes.cpp \
+	qgsacetaterectangle.cpp \
+	qgsuvaldialog.cpp \
+	qgsludialog.cpp \
+	qgsuniquevalrenderer.cpp \
+	qgsuvalmadialog.cpp \
+	qgsuvalmarenderer.cpp \
+	qgsvectorfilewriter.cpp \
+	qgsgeomtypedialog.cpp
+
+FORMS	= qgisappbase.ui \
+	qgsabout.ui \
+	qgsattributetablebase.ui \
+	qgsattributeactiondialogbase.ui \
+	qgsattributedialogbase.ui \
+	qgscontcoldialogbase.ui \
+	qgsdbsourceselectbase.ui \
+	qgsdlgvectorlayerpropertiesbase.ui \
+	qgsgramadialogbase.ui \
+	qgsgrasydialogbase.ui \
+	qgshelpviewerbase.ui \
+	qgsidentifyresultsbase.ui \
+	qgslegenditembase.ui \
+	qgslinestyledialogbase.ui \
+	qgsmapserverexportbase.ui \
+	qgsmarkerdialogbase.ui \
+	qgsmessageviewer.ui \
+	qgsnewconnectionbase.ui \
+	qgsoptionsbase.ui \
+	qgspatterndialogbase.ui \
+	qgspgquerybuilderbase.ui \
+	qgspluginmanagerbase.ui \
+	qgsprojectpropertiesbase.ui \
+	qgsrasterlayerpropertiesbase.ui \
+	qgslabeldialogbase.ui
+
 ######################################################################
 # Qmake project file for QGIS src directory
 # This file is used by qmake to generate the Makefile for building
@@ -27,19 +144,9 @@
 # The headers/lib can be downloaded from http://qgis.org/win32_geos.zip   #
 ###########################################################################
 
-TEMPLATE = app
 TARGET = qgis
-INCLUDEPATH += . $(GDAL)\include \
-                $(POSTGRESQL)\src\interfaces\libpq \
-                $(POSTGRESQL)\src\include \
-                $(GEOS)\include
-LIBS += $(GDAL)\lib\gdal_i.lib \
-        $(POSTGRESQL)\src\interfaces\libpq\Release\libpq.lib \
-        $(GEOS)\lib\geos.lib
-
 DEFINES+= QGISDEBUG
 DESTDIR = ../win_build
-CONFIG += qt thread rtti debug console
 #CONFIG += qt thread rtti console
 RC_FILE = qgis_win32.rc
 # Input
@@ -136,8 +243,7 @@ HEADERS += qgis.h \
             qgsuvalmarenderer.h \
             qgscolortable.h \
             qgsvectorfilewriter.h \
-            qgsgeomtypedialog.h
-INTERFACES += qgisappbase.ui \
+            qgsgeomtINTERFACES += qgisappbase.ui \
             qgsabout.ui \
             qgsattributetablebase.ui \
             qgsattributeactiondialogbase.ui \
@@ -167,8 +273,7 @@ INTERFACES += qgisappbase.ui \
             qgsludialogbase.ui \
             qgsuvaldialogbase.ui \
             qgsuvalmadialogbase.ui \
-            qgsgeomtypedialogbase.ui
-SOURCES += main.cpp \
+            qgsgeomtypediSOURCES += main.cpp \
             qgisapp.cpp \
             qgisiface.cpp \
             qgisinterface.cpp \