To-do plugin added.

Change-Id: Ideaf91b2f9ce3d9252ca40b7224a2ab4238341f1
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: Eike Ziller <eike.ziller@nokia.com>

src/plugins/todo/todoitemsmodel.cpp

@@ -0,0 +1,152 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2012 Dmitry Savchenko.
+** Copyright (c) 2010 Vasiliy Sorokin.
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+**
+** GNU Lesser General Public License Usage
+**
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this file.
+** Please review the following information to ensure the GNU Lesser General
+** Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** Other Usage
+**
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**************************************************************************/
+
+#include "todoitemsmodel.h"
+#include "constants.h"
+
+namespace Todo {
+namespace Internal {
+
+TodoItemsModel::TodoItemsModel(QObject *parent) :
+    QAbstractTableModel(parent),
+    m_todoItemsList(0),
+    m_currentSortColumn(Constants::OutputColumnIndex(0)),
+    m_currentSortOrder(Qt::AscendingOrder)
+{
+}
+
+void TodoItemsModel::setTodoItemsList(QList<TodoItem> *list)
+{
+    m_todoItemsList = list;
+    todoItemsListUpdated();
+}
+
+int TodoItemsModel::rowCount(const QModelIndex &parent) const
+{
+    Q_UNUSED(parent)
+
+    // There's only one level of hierarchy
+    if (parent.isValid())
+        return 0;
+
+    if (!m_todoItemsList)
+        return 0;
+
+    return m_todoItemsList->count();
+}
+
+int TodoItemsModel::columnCount(const QModelIndex &parent) const
+{
+    Q_UNUSED(parent)
+
+    return Constants::OUTPUT_COLUMN_LAST;
+}
+
+QVariant TodoItemsModel::data(const QModelIndex &index, int role) const
+{
+    if (!index.isValid())
+        return QVariant();
+
+    TodoItem item = m_todoItemsList->at(index.row());
+
+    if (role == Qt::BackgroundColorRole)
+        return item.color;
+
+    switch (index.column()) {
+
+        case Constants::OUTPUT_COLUMN_TEXT:
+            switch (role) {
+                case Qt::DisplayRole:
+                    return item.text;
+                case Qt::DecorationRole:
+                    return QVariant::fromValue(QIcon(item.iconResource));
+            }
+            break;
+
+        case Constants::OUTPUT_COLUMN_FILE:
+            if (role == Qt::DisplayRole)
+                return item.file;
+            break;
+
+        case Constants::OUTPUT_COLUMN_LINE:
+            if (role == Qt::DisplayRole)
+                return item.line;
+            break;
+    }
+
+    return QVariant();
+}
+
+QVariant TodoItemsModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+    if (orientation == Qt::Vertical)
+        return QVariant();
+
+    if (role != Qt::DisplayRole)
+        return QVariant();
+
+    switch (section) {
+        case Constants::OUTPUT_COLUMN_TEXT:
+            return tr(Constants::OUPTUT_COLUMN_TEXT_TITLE);
+
+        case Constants::OUTPUT_COLUMN_FILE:
+            return tr(Constants::OUTPUT_COLUMN_FILE_TITLE);
+
+        case Constants::OUTPUT_COLUMN_LINE:
+            return tr(Constants::OUTPUT_COLUMN_LINE_TITLE);
+
+        default:
+            return QVariant();
+    }
+}
+
+void TodoItemsModel::sort(int column, Qt::SortOrder order)
+{
+    m_currentSortColumn = Constants::OutputColumnIndex(column);
+    m_currentSortOrder = order;
+
+    TodoItemSortPredicate predicate(m_currentSortColumn, m_currentSortOrder);
+    qSort(m_todoItemsList->begin(), m_todoItemsList->end(), predicate);
+    emit layoutChanged();
+}
+
+void TodoItemsModel::todoItemsListUpdated()
+{
+    if (!m_todoItemsList)
+        return;
+
+    sort(m_currentSortColumn, m_currentSortOrder);
+}
+
+}
+}