72 lines
2.3 KiB
C++
72 lines
2.3 KiB
C++
#ifndef JSONTREEMODEL_H
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#define JSONTREEMODEL_H
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#include <QAbstractItemModel>
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#include <QJsonDocument>
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#include <QJsonParseError>
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#include <QJsonArray>
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#include <QJsonObject>
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#include <QJsonValue>
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#include <QVariant>
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#include "JsonTreeItem.h"
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class JsonTreeModel : public QAbstractItemModel
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{
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Q_OBJECT
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public:
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explicit JsonTreeModel(QObject *parent = nullptr);
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~JsonTreeModel();
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//导入导出数据
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bool loadJson(const QString &filepath);
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bool dumpJson(const QString &filepath);
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//遍历Tree生成JsonDocument
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QJsonDocument json_doc;
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/* qt读写配置文件的时候使用 */
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bool readJson(void);
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// bool writeJson(QJsonDocument jsonDoc);
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void refreshJson(void);
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//tree数据展示
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QModelIndex index(int row, int column,
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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 &parent = QModelIndex()) const override;
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QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
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//支持编辑
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Qt::ItemFlags flags(const QModelIndex &index) const override;
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bool setData(const QModelIndex &index, const QVariant &value,
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int role = Qt::EditRole) override;
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bool insertRows(int row, int count,
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const QModelIndex &parent = QModelIndex()) override;
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bool removeRows(int row, int count,
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const QModelIndex &parent = QModelIndex()) override;
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//QHash<int,QByteArray> roleNames() const override; //qml中需要，widget不用
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private:
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JsonTreeItem *getItem(const QModelIndex &index) const;
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//解析并生成tree
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void parseObject(const QString &key,const QJsonObject& obj,JsonTreeItem *&item);
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void parseArray(const QString &key,const QJsonArray& arr,JsonTreeItem *&item);
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void parseValue(const QString &key,const QJsonValue& val,JsonTreeItem *&item);
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//生成json节点
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QVariantMap dumpObject(JsonTreeItem *&item) const;
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QVariantList dumpArray(JsonTreeItem *&item) const;
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QVariant dumpValue(JsonTreeItem *&item) const;
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private:
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JsonTreeItem *theRootItem;
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};
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#endif // JSONTREEMODEL_H
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