From bbc8fcaefa1cc4c8dafb4d1453990154c7b00d3c Mon Sep 17 00:00:00 2001
From: Christian Mollekopf <chrigi_1@fastmail.fm>
Date: Sun, 5 Aug 2018 12:21:13 +0200
Subject: A calendar filter

---
 framework/src/entitymodel.cpp | 47 ++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 46 insertions(+), 1 deletion(-)

(limited to 'framework/src/entitymodel.cpp')

diff --git a/framework/src/entitymodel.cpp b/framework/src/entitymodel.cpp
index 5a79fdf2..e2a4ea2d 100644
--- a/framework/src/entitymodel.cpp
+++ b/framework/src/entitymodel.cpp
@@ -36,7 +36,7 @@ EntityModel::~EntityModel()
 
 }
 
-QHash< int, QByteArray > EntityModel::roleNames() const
+QHash<int, QByteArray> EntityModel::roleNames() const
 {
     return mRoleNames;
 }
@@ -152,3 +152,48 @@ QVariantMap EntityModel::data(int row) const
     }
     return map;
 }
+
+
+CheckableEntityModel::CheckableEntityModel(QObject *parent) : EntityModel(parent)
+{
+}
+
+CheckableEntityModel::~CheckableEntityModel()
+{
+
+}
+
+QHash<int, QByteArray > CheckableEntityModel::roleNames() const
+{
+    auto roleNames = EntityModel::roleNames();
+    roleNames.insert(Qt::CheckStateRole, "checked");
+    return roleNames;
+}
+
+QVariant CheckableEntityModel::data(const QModelIndex &index, int role) const
+{
+    if (role == Qt::CheckStateRole) {
+        const auto identifier = EntityModel::data(index, Qt::UserRole + 1).toByteArray();
+        return mCheckedEntities.contains(identifier);
+    }
+    return EntityModel::data(index, role);
+}
+
+bool CheckableEntityModel::setData(const QModelIndex &index, const QVariant &value, int role)
+{
+    if (role == Qt::CheckStateRole) {
+        const auto identifier = EntityModel::data(index, Qt::UserRole + 1).toByteArray();
+        if (value.toBool()) {
+            mCheckedEntities.insert(identifier);
+        } else {
+            mCheckedEntities.remove(identifier);
+        }
+        emit checkedEntitiesChanged();
+    }
+    return EntityModel::setData(index, value, role);
+}
+
+QSet<QByteArray> CheckableEntityModel::checkedEntities() const
+{
+    return mCheckedEntities;
+}
-- 
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