139 lines
4 KiB
C++
139 lines
4 KiB
C++
/*
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* Copyright (c) 2024 Belledonne Communications SARL.
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*
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* This file is part of linphone-desktop
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* (see https://www.linphone.org).
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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 3 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
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* GNU 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. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef ABSTRACT_LIST_PROXY_H_
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#define ABSTRACT_LIST_PROXY_H_
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#include <QAbstractListModel>
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#include <QDebug>
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#include "Proxy.hpp"
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template <class T>
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class AbstractListProxy : public Proxy {
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public:
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AbstractListProxy(QObject *parent = Q_NULLPTR) : Proxy(parent) {
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}
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virtual ~AbstractListProxy() {
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clearData();
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}
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virtual int rowCount(const QModelIndex &index = QModelIndex()) const override {
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return mList.size();
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}
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virtual QHash<int, QByteArray> roleNames() const override {
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QHash<int, QByteArray> roles;
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roles[Qt::DisplayRole] = "$modelData";
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return roles;
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}
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virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override {
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int row = index.row();
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if (!index.isValid() || row < 0 || row >= mList.count()) return QVariant();
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else if (role == Qt::DisplayRole) return QVariant::fromValue(mList[row]);
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else return QVariant();
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}
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virtual T getAt(const int &index) const {
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if (index < 0 || index >= mList.count()) return T();
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else return mList[index];
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}
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// Add functions
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virtual void add(T item) {
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int row = rowCount();
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beginInsertRows(QModelIndex(), row, row);
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mList << item;
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endInsertRows();
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// Snippet in case of not refreshing beside begin/end
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// auto lastIndex = index(mList.size() - 1, 0);
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// emit dataChanged(lastIndex, lastIndex);
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}
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virtual void add(QList<T> items) {
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int count = items.size();
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if (count > 0) {
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int currentCount = rowCount();
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int newCount = mList.size() + count;
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beginInsertRows(QModelIndex(), currentCount, newCount - 1);
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mList << items;
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endInsertRows();
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// Snippet in case of not refreshing beside begin/end
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// QModelIndex firstIndex = currentCount > 0 ? index(currentCount - 1, 0) : index(0, 0);
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// auto lastIndex = index(newCount - 1, 0);
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// emit dataChanged(firstIndex, lastIndex);
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}
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}
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virtual void prepend(T item) {
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int currentCount = rowCount();
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beginInsertRows(QModelIndex(), 0, 0);
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mList.prepend(item);
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endInsertRows();
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// Snippet in case of not refreshing beside begin/end
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// emit dataChanged(index(0), index(0));
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}
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virtual void prepend(QList<T> items) {
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int count = items.size();
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if (count > 0) {
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int currentCount = rowCount();
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int newCount = currentCount + count;
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beginInsertRows(QModelIndex(), 0, items.size() - 1);
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items << mList;
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mList = items;
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endInsertRows();
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// Snippet in case of not refreshing beside begin/end
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// emit dataChanged(index(0), index(items.size() - 1));
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}
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}
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// Remove functions
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virtual bool removeRow(int row, const QModelIndex &parent = QModelIndex()) {
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return removeRows(row, 1, parent);
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}
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virtual bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex()) override {
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int limit = row + count - 1;
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if (row < 0 || count < 0 || limit >= mList.count()) return false;
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beginRemoveRows(parent, row, limit);
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for (int i = 0; i < count; ++i)
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mList.takeAt(row);
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endRemoveRows();
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// Snippet in case of not refreshing beside begin/end (TODO: check crashs, empty list?)
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// emit dataChanged(index(row), index(limit));
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return true;
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}
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virtual void clearData() override {
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mList.clear();
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}
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virtual void resetData(QList<T> newData = QList<T>()) {
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beginResetModel();
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mList = newData;
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endResetModel();
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}
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protected:
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QList<T> mList;
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};
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#endif
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