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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef JSONVIEWER_H
#define JSONVIEWER_H
#include "abstractviewer.h"
#include <QJsonValue>
#include <QJsonDocument>
#include <QAbstractItemModel>
class QMainWindow;
class QTreeWidgetItem;
class QTreeView;
class QListWidget;
class QListWidgetItem;
class QLineEdit;
class JsonViewer : public AbstractViewer
{
Q_GADGET
public:
JsonViewer(QFile *file, QWidget *parent, QMainWindow *mainWindow);
~JsonViewer() override;
QString viewerName() const override { return staticMetaObject.className(); };
QByteArray saveState() const override;
bool restoreState(QByteArray &) override;
bool supportsOverview() const override { return true; }
bool hasContent() const override;
#if defined(QT_ABSTRACTVIEWER_PRINTSUPPORT)
protected:
void printDocument(QPrinter *printer) const override;
#endif // QT_ABSTRACTVIEWER_PRINTSUPPORT
private slots:
void setupJsonUi();
void onTopLevelItemClicked(QListWidgetItem *item);
void onTopLevelItemDoubleClicked(QListWidgetItem *item);
void onJsonMenuRequested(const QPoint &pos);
void onBookmarkMenuRequested(const QPoint &pos);
void onBookmarkAdded();
void onBookmarkDeleted();
private:
bool openJsonFile();
QTreeView *m_tree;
QListWidget *m_toplevel = nullptr;
QJsonDocument m_root;
int m_classId = -1;
QLineEdit *m_searchKey = nullptr;
};
class JsonTreeItem
{
public:
JsonTreeItem(JsonTreeItem *parent = nullptr);
~JsonTreeItem();
void appendChild(JsonTreeItem *item);
JsonTreeItem *child(int row);
JsonTreeItem *parent();
int childCount() const;
int row() const;
void setKey(const QString& key);
void setValue(const QVariant& value);
void setType(const QJsonValue::Type& type);
QString key() const { return m_key; };
QVariant value() const { return m_value; };
QJsonValue::Type type() const { return m_type; };
static JsonTreeItem* load(const QJsonValue& value, JsonTreeItem *parent = nullptr);
private:
QString m_key;
QVariant m_value;
QJsonValue::Type m_type;
QList<JsonTreeItem*> m_children;
JsonTreeItem *m_parent = nullptr;
};
class JsonItemModel : public QAbstractItemModel
{
Q_OBJECT
public:
explicit JsonItemModel(QObject *parent = nullptr);
JsonItemModel(const QJsonDocument& doc, QObject *parent = nullptr);
~JsonItemModel();
QVariant data(const QModelIndex &index, int role) const override;
bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
QVariant headerData(int section, Qt::Orientation orientation, int role) 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 & = QModelIndex()) const override { return 2; };
Qt::ItemFlags flags(const QModelIndex &index) const override;
private:
JsonTreeItem *m_rootItem = nullptr;
QStringList m_headers;
static JsonTreeItem *itemFromIndex(const QModelIndex &index)
{return static_cast<JsonTreeItem*>(index.internalPointer()); }
};
#endif //JSONVIEWER_H
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