Channels: added demo context menu to channel browser

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@285 b45a01b8-16f6-495d-af2f-9b41ad6348cc

retroshare-gui/src/gui/channels/ChannelBrowserDialog.ui

@@ -287,7 +287,7 @@
               <string>&lt;html>&lt;head>&lt;meta name="qrichtext" content="1" />&lt;style type="text/css">
 p, li { white-space: pre-wrap; }
 &lt;/style>&lt;/head>&lt;body style=" font-family:'Sans Serif'; font-size:9pt; font-weight:400; font-style:normal; text-decoration:none;">
-&lt;p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">&lt;span style=" font-size:13pt;">Retroshare's Demo Channel&lt;/span>&lt;/p>&lt;/body>&lt;/html></string>
+&lt;p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">&lt;span style=" font-size:13pt;">Name of Selected Channel&lt;/span>&lt;/p>&lt;/body>&lt;/html></string>
              </property>
              <property name="alignment" >
               <set>Qt::AlignCenter</set>
@@ -443,7 +443,7 @@ p, li { white-space: pre-wrap; }
             <string>&lt;html>&lt;head>&lt;meta name="qrichtext" content="1" />&lt;style type="text/css">
 p, li { white-space: pre-wrap; }
 &lt;/style>&lt;/head>&lt;body style=" font-family:'Sans Serif'; font-size:9pt; font-weight:400; font-style:italic; text-decoration:none;">
-&lt;p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">&lt;span style=" font-style:normal;">Subscribe to this channel to get news on the latest groovy happenings on Retroshare.  &lt;/span>&lt;/p>&lt;/body>&lt;/html></string>
+            &lt;p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">&lt;span style=" font-style:normal;">Once a channel is selected in the tree (left), it's description, data, title and icon will appear here in this right hand side panel.&lt;br>&lt;br>The user can subscribe / remove subscriptions or change to the relevant page to manage their channels as required via the context menu. &lt;/span>&lt;/p>&lt;/body>&lt;/html></string>
            </property>
            <property name="alignment" >
             <set>Qt::AlignJustify|Qt::AlignTop</set>

retroshare-gui/src/gui/channels/channelBrowserDialog.cpp

@@ -20,10 +20,65 @@
 ****************************************************************/
 
 #include "channelBrowserDialog.h"
-
-ChannelBrowserDialog::ChannelBrowserDialog(QWidget * parent) : QDialog (parent) 
+const QString ChannelBrowserDialog::IMAGE_QUICKSUBSCRIBE    = ":/images/channelsubscribe.png";
+const QString ChannelBrowserDialog::IMAGE_QUICKUNSUBSCRIBE  = ":/images/channeldelete.png";
+const QString ChannelBrowserDialog::IMAGE_MANAGE_SUB        = ":/images/channels.png";
+const QString ChannelBrowserDialog::IMAGE_MANAGE_CHANNEL    = ":/images/channels.png";
+const QString ChannelBrowserDialog::IMAGE_QUICKDELETE       = ":/images/channeldelete.png";
+ 
+ChannelBrowserDialog::ChannelBrowserDialog(QWidget * parent) 
+        : QDialog (parent), browserContextMenu(0) 
 {
     setupUi(this);
+    channelTreeWidget->setContextMenuPolicy(Qt::CustomContextMenu);
+    connect( channelTreeWidget, SIGNAL(customContextMenuRequested(QPoint)), 
+             this,              SLOT(channelTreeWidgetCustumPopupMenu(QPoint)));
     
 }
 
+void ChannelBrowserDialog::channelTreeWidgetCustumPopupMenu( QPoint point )
+{
+    // block the popup if no results available
+    if ((channelTreeWidget->selectedItems()).size() == 0) return; 
+    
+    // create the menu as required
+    if (browserContextMenu == 0)
+    {
+        // setup the browser context menu
+        browserContextMenu = new QMenu(this);
+        
+        // determine the selected channel and adjust the context menu accordingly i.e. no 
+        // quick subscribe entry if the channel is already subscribed to etc
+        quickSubscribeAct = new QAction(QIcon(IMAGE_QUICKSUBSCRIBE), tr( "Subscribe" ), this );
+        connect( quickSubscribeAct, SIGNAL( triggered() ), this, SLOT( quickSubscribe() ) );
+        quickUnsubscribeAct = new QAction(QIcon(IMAGE_QUICKUNSUBSCRIBE), tr( "Remove Subscription" ), this );
+        connect( quickUnsubscribeAct, SIGNAL( triggered() ), this, SLOT( quickSubscribe() ) );
+        subscribeToChannelAct = new QAction(QIcon(IMAGE_MANAGE_SUB), tr( "Manage Subscription" ), this );
+        connect( subscribeToChannelAct, SIGNAL( triggered() ), this, SLOT( subscribeToChannel() ) );
+        editChannelAct = new QAction(QIcon(IMAGE_MANAGE_CHANNEL), tr( "Manage Channel" ), this );
+        connect( editChannelAct, SIGNAL( triggered() ), this, SLOT( manageChannel() ) );
+        quickDeleteAct = new QAction(QIcon(IMAGE_QUICKDELETE), tr( "Quick Delete" ), this );
+        connect( quickDeleteAct, SIGNAL( triggered() ), this, SLOT( quickDelete() ) );
+        
+
+
+        browserContextMenu->clear();
+        browserContextMenu->addAction( new QAction("NOTE: Entries will be dynamic!!", this));
+        browserContextMenu->addSeparator();
+        browserContextMenu->addAction( quickSubscribeAct);
+        browserContextMenu->addAction( quickUnsubscribeAct);
+        browserContextMenu->addAction( subscribeToChannelAct);
+        browserContextMenu->addSeparator();
+        browserContextMenu->addAction( quickDeleteAct);
+        browserContextMenu->addAction( editChannelAct);
+    }
+    QMouseEvent *mevent = new QMouseEvent( QEvent::MouseButtonPress, point, 
+                                                Qt::RightButton, Qt::RightButton, Qt::NoModifier );
+    browserContextMenu->exec( mevent->globalPos() );
+}
+
+void ChannelBrowserDialog::quickSubscribe(){}
+void ChannelBrowserDialog::quickUnsubscribe(){}
+void ChannelBrowserDialog::subscribeToChannel(){}
+void ChannelBrowserDialog::manageChannel(){}
+void ChannelBrowserDialog::quickDelete(){}

retroshare-gui/src/gui/channels/channelBrowserDialog.h

@@ -21,7 +21,8 @@
 #ifndef _ChannelBrowserDialog_h_
 #define _ChannelBrowserDialog_h_
 
-#include <QDialog>
+#include <QtGui>
+
 #include "ui_ChannelBrowserDialog.h"
 
 class ChannelBrowserDialog : public QDialog,
@@ -32,7 +33,38 @@ public Ui::ChannelBrowserDialog
 public:
     ChannelBrowserDialog(QWidget * parent = 0 );
     
+private slots:
+    void channelTreeWidgetCustumPopupMenu( QPoint point );
 
+private:
+    /* constants for the image files */
+    static const QString IMAGE_QUICKSUBSCRIBE;
+    static const QString IMAGE_QUICKUNSUBSCRIBE;
+    static const QString IMAGE_MANAGE_SUB;
+    static const QString IMAGE_MANAGE_CHANNEL;
+    static const QString IMAGE_QUICKDELETE;
+ 
+    QMenu * browserContextMenu;
+    
+    // actions for the context menu
+    /** context menu: allows one-click subscription to a channel */
+    QAction* quickSubscribeAct;
+    /** context menu: allows one-click removal of channel subscription*/
+    QAction* quickUnsubscribeAct;
+    /** context menu: switches to the my subscriptions page with this
+        channel selected */
+    QAction* subscribeToChannelAct;
+    /** context menu: switches to my channels page with this channel
+        selected */
+    QAction* editChannelAct;
+    /** conetxt menu: one-click delete (with confirmation pop-up) */
+    QAction* quickDeleteAct;
+
+    void quickSubscribe();
+    void quickUnsubscribe();
+    void subscribeToChannel();
+    void manageChannel();
+    void quickDelete();
 };
 
 

retroshare-gui/src/gui/images.qrc

@@ -4,6 +4,8 @@
         <file>help/licence.html</file>
         <file>help/thanks.html</file>
         <file>images/channels.png</file>
+        <file>images/channeldelete.png</file>
+        <file>images/channelsubscribe.png</file>
         <file>images/FileTypeAny.png</file>
         <file>images/FileTypeArchive.png</file>
         <file>images/FileTypeAudio.png</file>