105 lines
3.6 KiB
C++
105 lines
3.6 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011 Craig Drummond <craig.p.drummond@gmail.com>
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*
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* ----
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef STREAMSMODEL_H
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#define STREAMSMODEL_H
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#include <QtCore/QAbstractItemModel>
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#include <QtCore/QList>
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#include <QtCore/QUrl>
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#include <QtCore/QHash>
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class QTimer;
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class StreamsModel : public QAbstractItemModel
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{
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Q_OBJECT
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public:
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struct Item
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{
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Item(const QString &n) : name(n) { }
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virtual bool isCategory() = 0;
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virtual ~Item() { }
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QString name;
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};
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struct CategoryItem;
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struct StreamItem : public Item
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{
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StreamItem(const QString &n, const QUrl &u, CategoryItem *p=0) : Item(n), url(u), parent(p) { }
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bool isCategory() { return false; }
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QUrl url;
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CategoryItem *parent;
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};
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struct CategoryItem : public Item
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{
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CategoryItem(const QString &n) : Item(n) { }
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virtual ~CategoryItem() { clearStreams(); }
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bool isCategory() { return true; }
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void clearStreams();
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QHash<QString, StreamItem *> itemMap;
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QList<StreamItem *> streams;
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};
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StreamsModel();
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~StreamsModel();
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QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
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int rowCount(const QModelIndex &parent = QModelIndex()) const;
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int columnCount(const QModelIndex&) const { return 1; }
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bool hasChildren(const QModelIndex &parent) const;
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QModelIndex parent(const QModelIndex &index) const;
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QModelIndex index(int row, int column, const QModelIndex &parent) const;
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QVariant data(const QModelIndex &, int) const;
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void reload();
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void save(bool force=false);
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bool save(const QString &filename);
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bool import(const QString &filename) { return load(filename, false); }
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bool add(const QString &cat, const QString &name, const QString &url);
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void editCategory(const QModelIndex &index, const QString &name);
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void editStream(const QModelIndex &index, const QString &oldCat, const QString &newCat, const QString &name, const QString &url);
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void remove(const QModelIndex &index);
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QString name(const QString &cat, const QString &url) { return name(getCategory(cat), url); }
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bool entryExists(const QString &cat, const QString &name, const QUrl &url=QUrl()) { return entryExists(getCategory(cat), name, url); }
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Qt::ItemFlags flags(const QModelIndex &index) const;
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QMimeData * mimeData(const QModelIndexList &indexes) const;
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void mark(const QList<int> &rows, bool f);
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private:
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void clearCategories();
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bool load(const QString &filename, bool isInternal);
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CategoryItem * getCategory(const QString &name, bool create=false, bool signal=false);
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QString name(CategoryItem *cat, const QString &url);
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bool entryExists(CategoryItem *cat, const QString &name, const QUrl &url=QUrl());
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private Q_SLOTS:
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void persist();
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private:
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QList<CategoryItem *> items;
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bool modified;
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QTimer *timer;
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};
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#endif
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