[DEV] add an API to create widget with XML

ewol/widget/Container.cpp

@@ -48,6 +48,22 @@ void ewol::widget::Container::setSubWidget(std::shared_ptr<ewol::Widget> _newWid
 	requestUpdateSize();
 }
 
+void ewol::widget::Container::subWidgetReplace(const std::shared_ptr<ewol::Widget>& _oldWidget,
+                                               const std::shared_ptr<ewol::Widget>& _newWidget) {
+	if (m_subWidget != _oldWidget) {
+		EWOL_WARNING("Request replace with a wrong old widget");
+		return;
+	}
+	m_subWidget->removeParent();
+	m_subWidget.reset();
+	m_subWidget = _newWidget;
+	if (m_subWidget != nullptr) {
+		m_subWidget->setParent(shared_from_this());
+	}
+	markToRedraw();
+	requestUpdateSize();
+}
+
 void ewol::widget::Container::subWidgetRemove() {
 	if (m_subWidget != nullptr) {
 		m_subWidget->removeParent();
@@ -163,7 +179,7 @@ bool ewol::widget::Container::loadXML(const std::shared_ptr<const exml::Element>
 			EWOL_ERROR("(l "<<pNode->getPos()<<") Unknown basic node=\"" << widgetName << "\" not in : [" << getWidgetManager().list() << "]" );
 			continue;
 		}
-		if (nullptr != getSubWidget()) {
+		if (getSubWidget() != nullptr) {
 			EWOL_ERROR("(l "<<pNode->getPos()<<") " << __class__ << " Can only have one subWidget ??? node=\"" << widgetName << "\"" );
 			continue;
 		}

ewol/widget/Container.h

@@ -44,6 +44,13 @@ namespace ewol {
 				 * @param[in] _newWidget The widget to add.
 				 */
 				void setSubWidget(std::shared_ptr<ewol::Widget> _newWidget);
+				/**
+				 * @brief Replace a old subwidget with a new one.
+				 * @param[in] _oldWidget The widget to replace.
+				 * @param[in] _newWidget The widget to set.
+				 */
+				virtual void subWidgetReplace(const std::shared_ptr<ewol::Widget>& _oldWidget,
+				                              const std::shared_ptr<ewol::Widget>& _newWidget);
 				/**
 				 * @brief remove the subWidget node (async).
 				 */

ewol/widget/Container2.cpp

@@ -44,6 +44,29 @@ void ewol::widget::Container2::setSubWidget(std::shared_ptr<ewol::Widget> _newWi
 	requestUpdateSize();
 }
 
+void ewol::widget::Container2::subWidgetReplace(const std::shared_ptr<ewol::Widget>& _oldWidget,
+                                                const std::shared_ptr<ewol::Widget>& _newWidget) {
+	bool haveChange = false;
+	for (size_t iii=0; iii<2; ++iii) {
+		if (m_subWidget[iii] != _oldWidget) {
+			continue;
+		}
+		m_subWidget[iii]->removeParent();
+		m_subWidget[iii].reset();
+		m_subWidget[iii] = _newWidget;
+		if (m_subWidget[iii] != nullptr) {
+			m_subWidget[iii]->setParent(shared_from_this());
+		}
+		haveChange = true;
+	}
+	if (haveChange == false) {
+		EWOL_WARNING("Request replace with a wrong old widget");
+		return;
+	}
+	markToRedraw();
+	requestUpdateSize();
+}
+
 
 void ewol::widget::Container2::subWidgetRemove(int32_t _idWidget) {
 	if (m_subWidget[_idWidget] != nullptr) {

ewol/widget/Container2.h

@@ -151,6 +151,13 @@ namespace ewol {
 					}
 					return _id;
 				}
+				/**
+				 * @brief Replace a old subwidget with a new one.
+				 * @param[in] _oldWidget The widget to replace.
+				 * @param[in] _newWidget The widget to set.
+				 */
+				virtual void subWidgetReplace(const std::shared_ptr<ewol::Widget>& _oldWidget,
+				                              const std::shared_ptr<ewol::Widget>& _newWidget);
 			public: // Derived function
 				virtual void systemDraw(const ewol::DrawProperty& _displayProp);
 				virtual void onRegenerateDisplay();

ewol/widget/ContainerN.cpp

@@ -56,14 +56,38 @@ void ewol::widget::ContainerN::lockExpand(const bvec2& _lockExpand) {
 }
 
 
+void ewol::widget::ContainerN::subWidgetReplace(const std::shared_ptr<ewol::Widget>& _oldWidget,
+                                                const std::shared_ptr<ewol::Widget>& _newWidget) {
+	bool haveChange = false;
+	for (auto &it : m_subWidget) {
+		if (it != _oldWidget) {
+			continue;
+		}
+		EWOL_WARNING("Remove old");
+		it->removeParent();
+		it.reset();
+		EWOL_WARNING("Set New");
+		if (_newWidget != nullptr) {
+			EWOL_WARNING("set parrent");
+			_newWidget->setParent(shared_from_this());
+		}
+		it = _newWidget;
+		haveChange = true;
+	}
+	if (haveChange == false) {
+		EWOL_WARNING("Request replace with a wrong old widget");
+		return;
+	}
+	markToRedraw();
+	requestUpdateSize();
+}
+
 int32_t ewol::widget::ContainerN::subWidgetAdd(std::shared_ptr<ewol::Widget> _newWidget) {
-	if (nullptr == _newWidget) {
+	if (_newWidget == nullptr) {
 		EWOL_ERROR("[" << getId() << "] {" << getObjectType() << "} Try to add An empty Widget ... ");
 		return -1;
 	}
-	if (_newWidget != nullptr) {
+	_newWidget->setParent(shared_from_this());
-		_newWidget->setParent(shared_from_this());
-	}
 	m_subWidget.push_back(_newWidget);
 	markToRedraw();
 	requestUpdateSize();

ewol/widget/ContainerN.h

@@ -54,6 +54,13 @@ namespace ewol {
 				 * @brief remove all sub element from the widget (delayed to prevent remove in the callbback).
 				 */
 				virtual void subWidgetRemoveAllDelayed();
+				/**
+				 * @brief Replace a old subwidget with a new one.
+				 * @param[in] _oldWidget The widget to replace.
+				 * @param[in] _newWidget The widget to set.
+				 */
+				virtual void subWidgetReplace(const std::shared_ptr<ewol::Widget>& _oldWidget,
+				                              const std::shared_ptr<ewol::Widget>& _newWidget);
 				/**
 				 * @brief add at end position a Widget (note : This system use an inverted phylisophie (button to top, and left to right)
 				 * @param[in] _newWidget the element pointer