PIVariantEdit, PIValueTreeEdit

libs/piqt_widgets/pivariant_edit.h

@@ -0,0 +1,91 @@
+/*
+	PIQt Utils - Qt utilites for PIP
+
+	Ivan Pelipenko peri4ko@yandex.ru, Andrey Bychkov work.a.b@yandex.ru
+
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU Lesser General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU Lesser General Public License for more details.
+
+	You should have received a copy of the GNU Lesser General Public License
+	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef pivariant_edit_H
+#define pivariant_edit_H
+
+#include <QWidget>
+#include <QBoxLayout>
+#include <QLabel>
+#include "pivariant.h"
+#include "qad_piqt_utils_export.h"
+
+#define REGISTER_PIVARIANTEDITOR(type_name, class_name) \
+	STATIC_INITIALIZER_BEGIN \
+		PIVariantEditorBase::registerEditor<class_name>(PIVariant::typeIDFromName(PIStringAscii(#type_name))); \
+	STATIC_INITIALIZER_END \
+
+class PIVariantEdit;
+
+
+class QAD_PIQT_UTILS_EXPORT PIVariantEditorBase: public QWidget {
+	friend class PIVariantEdit;
+public:
+	virtual ~PIVariantEditorBase() {}
+
+	virtual void setValue(const PIVariant & v) = 0;
+	virtual PIVariant value() const = 0;
+
+	virtual PIVariantMap defaultAttributes() const {return PIVariantMap();}
+
+	template <typename T>
+	static void registerEditor(uint type_id) {
+		if (factories().contains(type_id)) {
+			piCout << "[PIVariantEditorBase::registerEditor] Editor with typeID" << type_id << "already registered, ignore";
+			return;
+		}
+		factories()[type_id] = []()->PIVariantEditorBase*{return new T();};
+	}
+	static PIVariantEditorBase * createEditor(uint type_id);
+
+protected:
+	void createBoxLayout(QBoxLayout::Direction d = QBoxLayout::LeftToRight);
+
+	virtual void applyAttributes(const PIVariantMap & a) {}
+	virtual void retranslate() {}
+
+private:
+	void changeEvent(QEvent * e) override;
+
+	static PIMap<uint, PIVariantEditorBase*(*)()> & factories();
+	
+};
+
+
+class QAD_PIQT_UTILS_EXPORT PIVariantEdit: public QWidget {
+public:
+	PIVariantEdit(QWidget * parent = nullptr);
+	~PIVariantEdit();
+
+	void setValue(const PIVariant & v, uint type_id = 0);
+	PIVariant value() const;
+
+	void setAttributes(const PIVariantMap & a);
+	PIVariantMap defaultAttributes() const;
+
+private:
+	PIVariantEditorBase * editor = nullptr;
+	PIVariantMap _attributes;
+	QLabel * label;
+	uint current_type_id = -1;
+
+};
+
+
+#endif