tasks/redmineitemtree.h

#ifndef REDMINEITEMTREE_H
#define REDMINEITEMTREE_H

#include <QObject>
#include <QMutex>
#include <QJsonArray>
#include <QTreeWidgetItem>
#include <QComboBox>
#include <QMutex>
#include <QTimer>

#include <redmineitemtreedata.h>

class RedmineItemTree;

typedef void ( *widgetItemSetTextFunct_t ) ( QWidget *initiator, QTreeWidgetItem *widgetItem, QJsonObject item, RedmineItemTree *tree, int level );
typedef void ( *comboBoxAddItemFunct_t  ) ( QComboBox *widgetItem, QJsonObject item );
typedef bool ( *itemFilterFunct_t ) ( QWidget *initiator, QJsonObject item );

class RedmineItemTree : public QObject
{
	Q_OBJECT

public:
	RedmineItemTree();

	void                set ( QJsonArray array );
	QList<QJsonObject>  get();
	QJsonObject         get ( int item_id );
	QJsonObject         get ( QTreeWidgetItem *widgetItem );
	QList<QJsonObject>  getchildren ( int item_id );
	bool                isDescendant ( int descendant_id, int ancestor_id );
	void                filter ( QWidget *initiator, itemFilterFunct_t filterFunct );
	void                display ( QTreeWidget *widget, QWidget *initiator, widgetItemSetTextFunct_t setTextFunct );
	void                display ( QComboBox   *widget, QWidget *initiator, comboBoxAddItemFunct_t   addItemFunct );

	RedmineItemTreeData filtered;


public slots:
	void                display_retry();
	void                filter_retry();

private:
	void                clear();
	void                add ( QJsonObject jsonObj );

	void                widgetItemResetRecursive ( int item_id );
	void                widgetItemReset ( int item_id );
	void                widgetItemsResetIfUpdated ( int item_id, QJsonObject item );

	void                display_recursive ( QTreeWidgetItem *widgetItem, QWidget *initiator, widgetItemSetTextFunct_t setTextFunct, QJsonObject item, int level, QHash <int, int> &toremove_ids );
	void                display_child ( QTreeWidgetItem *parent, QWidget *initiator, widgetItemSetTextFunct_t setTextFunct, QJsonObject child, int level, QHash <int, int> &toremove_ids );
	void                display_topOne ( QTreeWidget *widget, QWidget *initiator, widgetItemSetTextFunct_t setTextFunct, int pos, QHash <int, int> &toremove_ids );

	RedmineItemTreeData             real;
	RedmineItemTreeData             filtered_old;

	QHash<int, QTreeWidgetItem*>            id2widgetItem;
	QHash<int, QJsonObject>                 row2item;
	QHash<QTreeWidgetItem *, QJsonObject>   widgetItem2item;

	struct {
		QTreeWidget *widget;
		QWidget *initiator;
		widgetItemSetTextFunct_t setTextFunct;
	} displayRetryArgs;

	struct {
		QWidget *initiator;
		itemFilterFunct_t filterFunct;
	} filterRetryArgs;

	QMutex displayMutex;
	QMutex displayExceptionMutex;

	QTimer displayRetryTimer;
	QTimer filterRetryTimer;

};

#endif // REDMINEITEMTREE_H