From 6fc68b21ccbf39b3eb964a606ebfd4d75cbb9ff6 Mon Sep 17 00:00:00 2001
From: Manjeet Dahiya <manjeetdahiya@gmail.com>
Date: Sat, 16 Oct 2010 17:55:00 +0000
Subject: add filter for showing/hiding offline contacts

---
 .../GuiClient/rosterItemSortFilterProxyModel.cpp   | 23 +++++++++++++++++++++-
 .../GuiClient/rosterItemSortFilterProxyModel.h     |  8 ++++++++
 2 files changed, 30 insertions(+), 1 deletion(-)

(limited to 'examples/GuiClient')

diff --git a/examples/GuiClient/rosterItemSortFilterProxyModel.cpp b/examples/GuiClient/rosterItemSortFilterProxyModel.cpp
index 70d3112c..35f779fe 100644
--- a/examples/GuiClient/rosterItemSortFilterProxyModel.cpp
+++ b/examples/GuiClient/rosterItemSortFilterProxyModel.cpp
@@ -27,7 +27,7 @@
 #include "utils.h"
 
 rosterItemSortFilterProxyModel::rosterItemSortFilterProxyModel(QObject* parent):
-                QSortFilterProxyModel(parent)
+                QSortFilterProxyModel(parent), m_showOfflineContacts(true)
 {
     setDynamicSortFilter(true);
     setFilterRole(Qt::DisplayRole);
@@ -63,3 +63,24 @@ bool rosterItemSortFilterProxyModel::lessThan(const QModelIndex &left, const QMo
                 comparisonWeightsPresenceType(static_cast<QXmppPresence::Type>(rightPresenceType));
 }
 
+bool rosterItemSortFilterProxyModel::filterAcceptsRow(int source_row, const QModelIndex& source_parent) const
+{
+    if(m_showOfflineContacts)
+        return true;
+
+    QModelIndex index = sourceModel()->index(source_row, 0, source_parent);
+
+    int presenceType = sourceModel()->data(index, rosterItem::PresenceType).toInt();
+
+    if(presenceType == QXmppPresence::Available)
+        return true;
+    else
+        return false;
+}
+
+void rosterItemSortFilterProxyModel::setShowOfflineContacts(bool showOfflineContacts)
+{
+    m_showOfflineContacts = showOfflineContacts;
+
+    invalidateFilter();
+}
diff --git a/examples/GuiClient/rosterItemSortFilterProxyModel.h b/examples/GuiClient/rosterItemSortFilterProxyModel.h
index 9082dafc..584a0a50 100644
--- a/examples/GuiClient/rosterItemSortFilterProxyModel.h
+++ b/examples/GuiClient/rosterItemSortFilterProxyModel.h
@@ -29,11 +29,19 @@
 
 class rosterItemSortFilterProxyModel : public QSortFilterProxyModel
 {
+    Q_OBJECT
+
 public:
     rosterItemSortFilterProxyModel(QObject* parent = 0);
 
+public slots:
+    void setShowOfflineContacts(bool);
+
 private:
     bool lessThan(const QModelIndex &left, const QModelIndex &right) const;
+    bool filterAcceptsRow(int, const QModelIndex&) const;
+
+    bool m_showOfflineContacts;
 };
 
 #endif // ROSTERITEMSORTFILTERPROXYMODEL_H
-- 
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