Initial commit of BudgetPro

2026-05-24 23:21:33 +02:00
commit f3096faee6
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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef TREEMODEL_H
+#define TREEMODEL_H
+
+#include <QAbstractItemModel>
+#include <QModelIndex>
+#include <QVariant>
+
+class TreeItem;
+
+//! [0]
+class TreeModel : public QAbstractItemModel
+{
+    Q_OBJECT
+
+public:
+    TreeModel(const QStringList &headers, const QString &data, QObject *parent = nullptr);
+    ~TreeModel() override;
+//! [0]
+
+//! [1]
+
+    QVariant data(const QModelIndex &index, int role) const override;
+    QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
+
+    QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
+    QModelIndex parent(const QModelIndex &index) const override;
+
+    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+    int columnCount(const QModelIndex &parent = QModelIndex()) const override;
+//! [1]
+
+//! [2]
+    Qt::ItemFlags flags(const QModelIndex &index) const override;
+    bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
+    bool setHeaderData(int section, Qt::Orientation orientation, const QVariant &value, int role = Qt::EditRole) override;
+    bool insertColumns(int position, int columns, const QModelIndex &parent = QModelIndex()) override;
+    bool removeColumns(int position, int columns, const QModelIndex &parent = QModelIndex()) override;
+    bool insertRows(int position, int rows, const QModelIndex &parent = QModelIndex()) override;
+    bool removeRows(int position, int rows, const QModelIndex &parent = QModelIndex()) override;
+
+signals:
+    void DataChanged(TreeItem &item, const QModelIndex &index, const int role);
+    void onGetDataEdit(const QModelIndex &index, QVariant &value) const;
+    void onGetDataTextColor(const QModelIndex &index, QVariant &value) const;
+
+private:
+    void setupModelData(const QStringList &lines, TreeItem *parent);
+    TreeItem *getItem(const QModelIndex &index) const;
+    TreeItem *rootItem;
+    void updateQuantities(TreeItem *item, const QModelIndex &parent);
+    void updateCalculations(TreeItem *item, int column);
+    void calculateRow(TreeItem *item);
+    void calculateParent(TreeItem *item);
+    void setTreeValues(TreeItem *item, int column);
+    void codify(TreeItem *item);
+
+    QVariant displayData(TreeItem *item, int column) const;
+    QVariant editData(TreeItem *item, int column) const;
+    QVariant alignmentForColumn(int column) const;
+    QVariant decorationForItem(TreeItem *item, int column) const;
+    QVariant foregroundForItem(TreeItem *item, int column) const;
+
+
+};
+//! [2]
+
+#endif // TREEMODEL_H