mirror of https://github.com/qt/qtdoc.git
115 lines
3.5 KiB
C++
115 lines
3.5 KiB
C++
// Copyright (C) 2023 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#ifndef JSONVIEWER_H
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#define JSONVIEWER_H
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#include "viewerinterfaces.h"
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#include <QJsonValue>
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#include <QJsonDocument>
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#include <QAbstractItemModel>
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QT_BEGIN_NAMESPACE
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class QTreeView;
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class QListWidget;
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class QListWidgetItem;
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class QLineEdit;
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QT_END_NAMESPACE
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//! [pluginHeader]
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class JsonViewer : public ViewerInterface
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{
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Q_OBJECT
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Q_PLUGIN_METADATA(IID "org.qt-project.Qt.Examples.DocumentViewer.ViewerInterface/1.0" FILE "jsonviewer.json")
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Q_INTERFACES(ViewerInterface)
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public:
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JsonViewer();
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~JsonViewer() override;
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//! [pluginHeader]
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void init(QFile *file, QWidget *parent, QMainWindow *mainWindow) override;
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//! [pluginReimp]
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QString viewerName() const override { return QLatin1StringView(staticMetaObject.className()); };
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QStringList supportedMimeTypes() const override;
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bool hasContent() const override;
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bool supportsOverview() const override { return true; }
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//! [pluginReimp]
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QByteArray saveState() const override;
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bool restoreState(QByteArray &) override;
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#ifdef QT_DOCUMENTVIEWER_PRINTSUPPORT
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protected:
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void printDocument(QPrinter *printer) const override;
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#endif // QT_ABSTRACTVIEWER_PRINTSUPPORT
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private slots:
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void setupJsonUi();
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void onTopLevelItemClicked(QListWidgetItem *item);
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void onTopLevelItemDoubleClicked(QListWidgetItem *item);
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void onJsonMenuRequested(const QPoint &pos);
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void onBookmarkMenuRequested(const QPoint &pos);
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void onBookmarkAdded();
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void onBookmarkDeleted();
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//! [pluginPrivateMembers]
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private:
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bool openJsonFile();
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QTreeView *m_tree;
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QListWidget *m_toplevel = nullptr;
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QJsonDocument m_root;
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QPointer<QLineEdit> m_searchKey;
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};
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//! [pluginPrivateMembers]
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class JsonTreeItem
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{
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public:
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JsonTreeItem(JsonTreeItem *parent = nullptr);
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~JsonTreeItem();
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void appendChild(JsonTreeItem *item);
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JsonTreeItem *child(int row);
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JsonTreeItem *parent();
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int childCount() const;
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int row() const;
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void setKey(const QString& key);
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void setValue(const QVariant& value);
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void setType(const QJsonValue::Type& type);
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QString key() const { return m_key; };
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QVariant value() const { return m_value; };
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QJsonValue::Type type() const { return m_type; };
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static JsonTreeItem* load(const QJsonValue& value, JsonTreeItem *parent = nullptr);
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private:
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QString m_key;
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QVariant m_value;
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QJsonValue::Type m_type;
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QList<JsonTreeItem*> m_children;
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JsonTreeItem *m_parent = nullptr;
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};
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class JsonItemModel : public QAbstractItemModel
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{
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Q_OBJECT
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public:
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explicit JsonItemModel(QObject *parent = nullptr);
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JsonItemModel(const QJsonDocument& doc, QObject *parent = nullptr);
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~JsonItemModel();
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QVariant data(const QModelIndex &index, int role) const override;
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QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
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QModelIndex index(int row, int column,const QModelIndex &parent = QModelIndex()) const override;
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QModelIndex parent(const QModelIndex &index) const override;
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int rowCount(const QModelIndex &parent = QModelIndex()) const override;
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int columnCount(const QModelIndex & = QModelIndex()) const override { return 2; };
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private:
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JsonTreeItem *m_rootItem = nullptr;
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QStringList m_headers;
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static JsonTreeItem *itemFromIndex(const QModelIndex &index)
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{return static_cast<JsonTreeItem*>(index.internalPointer()); }
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};
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#endif //JSONVIEWER_H
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