GH-1047 World management for instances. Removal only currently.

logic/minecraft/WorldList.h

@@ -0,0 +1,101 @@
+/*
+ * Copyright 2015 <copyright holder> <email>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#pragma once
+
+#include <QList>
+#include <QString>
+#include <QDir>
+#include <QAbstractListModel>
+#include "minecraft/World.h"
+
+class QFileSystemWatcher;
+
+class WorldList : public QAbstractListModel
+{
+    Q_OBJECT
+public:
+    enum Columns {
+        NameColumn
+    };
+
+    WorldList ( const QString &dir );
+
+    virtual QVariant data ( const QModelIndex &index, int role = Qt::DisplayRole ) const;
+
+    virtual int rowCount ( const QModelIndex &parent = QModelIndex() ) const {
+        return size();
+    }
+    ;
+    virtual QVariant headerData ( int section, Qt::Orientation orientation,
+                                  int role = Qt::DisplayRole ) const;
+    virtual int columnCount ( const QModelIndex &parent ) const;
+
+    size_t size() const {
+        return worlds.size();
+    }
+    ;
+    bool empty() const {
+        return size() == 0;
+    }
+    World &operator[] ( size_t index ) {
+        return worlds[index];
+    }
+
+    /// Reloads the mod list and returns true if the list changed.
+    virtual bool update();
+
+    /// Deletes the mod at the given index.
+    virtual bool deleteWorld ( int index );
+
+    /// Deletes all the selected mods
+    virtual bool deleteWorlds ( int first, int last );
+
+    /// get data for drag action
+    virtual QMimeData *mimeData ( const QModelIndexList &indexes ) const;
+    /// get the supported mime types
+    virtual QStringList mimeTypes() const;
+
+    void startWatching();
+    void stopWatching();
+
+    virtual bool isValid();
+
+    QDir dir() {
+        return m_dir;
+    }
+
+    const QList<World> & allWorlds() {
+        return worlds;
+    }
+
+private:
+    void internalSort ( QList<World> & what );
+    private
+slots:
+    void directoryChanged ( QString path );
+
+signals:
+    void changed();
+
+protected:
+    QFileSystemWatcher *m_watcher;
+    bool is_watching;
+    QDir m_dir;
+    QList<World> worlds;
+};
+