fixed a few UI bugs in channel posts

retroshare-gui/src/gui/gxschannels/GxsChannelPostsModel.cpp

@@ -401,6 +401,11 @@ void RsGxsChannelPostsModel::clear()
 	emit channelPostsLoaded();
 }
 
+bool operator<(const RsGxsChannelPost& p1,const RsGxsChannelPost& p2)
+{
+    return p1.mMeta.mPublishTs > p2.mMeta.mPublishTs;
+}
+
 void RsGxsChannelPostsModel::setPosts(const RsGxsChannelGroup& group, std::vector<RsGxsChannelPost>& posts)
 {
     preMods();
@@ -413,6 +418,8 @@ void RsGxsChannelPostsModel::setPosts(const RsGxsChannelGroup& group, std::vecto
 
     createPostsArray(posts);
 
+    std::sort(mPosts.begin(),mPosts.end());
+
     mFilteredPosts.clear();
     for(int i=0;i<mPosts.size();++i)
         mFilteredPosts.push_back(i);

retroshare-gui/src/gui/gxschannels/GxsChannelPostsWidgetWithModel.cpp

@@ -109,7 +109,7 @@ public:
 			GxsIdDetails::loadPixmapFromData(post.mThumbnail.mData, post.mThumbnail.mSize, thumbnail,GxsIdDetails::ORIGINAL);
 			lb->setPixmap(thumbnail);
 		}
-        else
+        else if(post.mMeta.mPublishTs > 0)	// this is for testing that the post is not an empty post (happens at the end of the last row)
         {
 			QPixmap thumbnail = FilesDefs::getPixmapFromQtResourcePath(CHAN_DEFAULT_IMAGE);
 			lb->setPixmap(thumbnail);
@@ -157,7 +157,7 @@ void ChannelPostDelegate::paint(QPainter * painter, const QStyleOptionViewItem &
 
 	QPixmap pixmap(w.size());
 
-    if(option.state & QStyle::State_Selected)
+    if((option.state & QStyle::State_Selected) && post.mMeta.mPublishTs > 0) // check if post is selected and is not empty (end of last row)
 		pixmap.fill(QRgb(0xff308dc7));	// I dont know how to grab the backgroud color for selected objects automatically.
 	else
 		pixmap.fill(QRgb(0x00ffffff));	// choose a fully transparent background
@@ -323,7 +323,13 @@ GxsChannelPostsWidgetWithModel::GxsChannelPostsWidgetWithModel(const RsGxsGroupI
 	connect(ui->channelFiles_TV->header(),SIGNAL(sortIndicatorChanged(int,Qt::SortOrder)), this, SLOT(sortColumnFiles(int,Qt::SortOrder)));
 
     connect(ui->postsTree->selectionModel(),SIGNAL(selectionChanged(const QItemSelection&,const QItemSelection&)),this,SLOT(showPostDetails()));
-    connect(mChannelPostsModel,SIGNAL(channelPostsLoaded()),this,SLOT(postChannelLoad()));
+    connect(mChannelPostsModel,SIGNAL(channelPostsLoaded()),this,SLOT(postChannelPostLoad()));
+
+    ui->postName_LB->hide();
+    ui->postTime_LB->hide();
+    ui->postLogo_LB->hide();
+
+	ui->postDetails_TE->setPlaceholderText(tr("No post selected"));
 
     QFontMetricsF fm(font());
 
@@ -430,12 +436,14 @@ void GxsChannelPostsWidgetWithModel::handleEvent_main_thread(std::shared_ptr<con
 void GxsChannelPostsWidgetWithModel::showPostDetails()
 {
     QModelIndex index = ui->postsTree->selectionModel()->currentIndex();
+	RsGxsChannelPost post = index.data(Qt::UserRole).value<RsGxsChannelPost>() ;
 
-    if(!index.isValid())
+    if(post.mMeta.mPublishTs == 0)
     {
         ui->postDetails_TE->clear();
         ui->postLogo_LB->hide();
 		ui->postName_LB->hide();
+		ui->postTime_LB->hide();
 		mChannelPostFilesModel->clear();
         mSelectedGroup.clear();
         mSelectedPost.clear();
@@ -444,12 +452,11 @@ void GxsChannelPostsWidgetWithModel::showPostDetails()
 
 	ui->postLogo_LB->show();
 	ui->postName_LB->show();
+	ui->postTime_LB->show();
 
     if(index.row()==0 && index.column()==0)
         std::cerr << "here" << std::endl;
 
-	RsGxsChannelPost post = index.data(Qt::UserRole).value<RsGxsChannelPost>() ;
-
     mSelectedGroup = mGroup.mMeta.mGroupId;
     mSelectedPost = post.mMeta.mMsgId;
 
@@ -476,10 +483,12 @@ void GxsChannelPostsWidgetWithModel::showPostDetails()
     // Using fixed width so that the post will not displace the text when we browse.
 
 	ui->postLogo_LB->setPixmap(postImage);
-	ui->postName_LB->setText(QString::fromUtf8(post.mMeta.mMsgName.c_str()));
-
 	ui->postLogo_LB->setFixedSize(W,postImage.height()/(float)postImage.width()*W);
+
+	ui->postName_LB->setText(QString::fromUtf8(post.mMeta.mMsgName.c_str()));
 	ui->postName_LB->setFixedWidth(W);
+	ui->postTime_LB->setText(QDateTime::fromMSecsSinceEpoch(post.mMeta.mPublishTs*1000).toString("MM/dd/yyyy, hh:mm"));
+	ui->postTime_LB->setFixedWidth(W);
 
     ui->channelPostFiles_TV->resizeColumnToContents(RsGxsChannelPostFilesModel::COLUMN_FILES_FILE);
     ui->channelPostFiles_TV->resizeColumnToContents(RsGxsChannelPostFilesModel::COLUMN_FILES_SIZE);
@@ -528,7 +537,7 @@ void GxsChannelPostsWidgetWithModel::updateGroupData()
 	});
 }
 
-void GxsChannelPostsWidgetWithModel::postChannelLoad()
+void GxsChannelPostsWidgetWithModel::postChannelPostLoad()
 {
     std::cerr << "Post channel load..." << std::endl;
 

retroshare-gui/src/gui/gxschannels/GxsChannelPostsWidgetWithModel.h

@@ -138,7 +138,7 @@ private slots:
 	void setViewMode(int viewMode);
 	void settingsChanged();
 	void handlePostsTreeSizeChange(QSize s);
-	void postChannelLoad();
+	void postChannelPostLoad();
 
 public slots:
  	void sortColumnFiles(int col,Qt::SortOrder so);

retroshare-gui/src/gui/gxschannels/GxsChannelPostsWidgetWithModel.ui

@@ -161,7 +161,7 @@
    <item>
     <widget class="QTabWidget" name="channel_TW">
      <property name="currentIndex">
-      <number>0</number>
+      <number>1</number>
      </property>
      <widget class="QWidget" name="tab_3">
       <attribute name="title">
@@ -399,7 +399,7 @@ p, li { white-space: pre-wrap; }
            </font>
           </property>
           <property name="currentIndex">
-           <number>2</number>
+           <number>0</number>
           </property>
           <widget class="QWidget" name="tab">
            <attribute name="title">
@@ -434,6 +434,13 @@ p, li { white-space: pre-wrap; }
                 </property>
                </widget>
               </item>
+              <item>
+               <widget class="QLabel" name="postTime_LB">
+                <property name="text">
+                 <string>TextLabel</string>
+                </property>
+               </widget>
+              </item>
               <item>
                <spacer name="verticalSpacer">
                 <property name="orientation">