ewol/ewol/widget/Composer.cpp

141 lines
4.5 KiB
C++

/**
* @author Edouard DUPIN
*
* @copyright 2011, Edouard DUPIN, all right reserved
*
* @license APACHE v2.0 (see license file)
*/
#include <ewol/ewol.h>
#include <ewol/widget/Composer.h>
#include <etk/os/FSNode.h>
#include <ewol/widget/Manager.h>
#include <ewol/context/Context.h>
#undef __class__
#define __class__ "ewol::widget::Composer"
ewol::widget::Composer::Composer() :
propertyRemoveIfUnderRemove(this, "remove-if-under-remove", true, "Demand the remove iof the widget if the subObject demand a remove") {
addObjectType("ewol::widget::Composer");
// nothing to do ...
}
static ewol::WidgetShared composerGenerate(bool _modeFile, const std::string& _data) {
ewol::widget::Manager& widgetManager = ewol::getContext().getWidgetManager();
if (_data == "") {
return nullptr;
}
std::shared_ptr<exml::Document> doc = exml::Document::create();
if (_modeFile == true) {
if (doc->load(_data) == false) {
EWOL_ERROR(" can not load file XML : " << _data);
return nullptr;
}
} else {
if (doc->parse(_data) == false) {
EWOL_ERROR(" can not load file XML string...");
return nullptr;
}
}
std::shared_ptr<const exml::Element> root = doc->toElement();
if (root->size() == 0) {
EWOL_ERROR(" (l ?) No node in the XML file/string.");
return nullptr;
}
if (root->size() > 1) {
EWOL_WARNING(" (l ?) More than 1 node in the XML file/string. (JUST parse the first)");
}
std::shared_ptr<const exml::Element> pNode = root->getElement(0);
if (pNode == nullptr) {
EWOL_ERROR(" (l ?) No node in the XML file/string. {2}");
return nullptr;
}
std::string widgetName = pNode->getValue();
if (widgetManager.exist(widgetName) == false) {
EWOL_ERROR("(l "<<pNode->getPos()<<") Unknown basic node=\"" << widgetName << "\" not in : [" << widgetManager.list() << "]" );
return nullptr;
}
EWOL_DEBUG("try to create subwidget : '" << widgetName << "'");
ewol::WidgetShared tmpWidget = widgetManager.create(widgetName);
if (tmpWidget == nullptr) {
EWOL_ERROR ("(l "<<pNode->getPos()<<") Can not create the widget : \"" << widgetName << "\"");
return nullptr;
}
if (tmpWidget->loadXML(pNode) == false) {
EWOL_ERROR ("(l "<<pNode->getPos()<<") can not load widget properties : \"" << widgetName << "\"");
}
return tmpWidget;
}
ewol::WidgetShared ewol::widget::composerGenerateFile(const std::string& _data) {
return composerGenerate(true, _data);
}
ewol::WidgetShared ewol::widget::composerGenerateString(const std::string& _data) {
return composerGenerate(false, _data);
}
ewol::widget::Composer::~Composer() {
}
bool ewol::widget::Composer::loadFromFile(const std::string& _fileName) {
std::shared_ptr<exml::Document> doc = exml::Document::create();
if (doc->load(_fileName) == false) {
EWOL_ERROR(" can not load file XML : " << _fileName);
return false;
}
std::shared_ptr<const exml::Element> root = doc->getNamed("composer");
if (root == nullptr) {
// Maybe a multiple node XML for internal config:
root = doc->toElement();
if (root == nullptr) {
EWOL_ERROR("[" << getId() << "] {" << getObjectType() << "} (l ?) main node not find: \"composer\" ...");
return false;
}
if (root->size() == 0) {
EWOL_ERROR("[" << getId() << "] {" << getObjectType() << "} (l ?) no node in the Container XML element.");
return false;
}
}
// call upper class to parse his elements ...
ewol::widget::Container::loadXML(root);
return true;
}
bool ewol::widget::Composer::loadFromString(const std::string& _composerXmlString) {
std::shared_ptr<exml::Document> doc = exml::Document::create();
if (doc->parse(_composerXmlString) == false) {
EWOL_ERROR(" can not load file XML string...");
return false;
}
std::shared_ptr<const exml::Element> root = doc->getNamed("composer");
if (root == nullptr) {
// Maybe a multiple node XML for internal config:
root = doc->toElement();
if (root == nullptr) {
EWOL_ERROR("[" << getId() << "] {" << getObjectType() << "} (l ?) main node not find: \"composer\" ...");
return false;
}
if (root->size() == 0) {
EWOL_ERROR("[" << getId() << "] {" << getObjectType() << "} (l ?) no node in the Container XML element.");
return false;
}
}
// call upper class to parse his elements ...
ewol::widget::Container::loadXML(root);
requestUpdateSize();
return true;
}
void ewol::widget::Composer::requestDestroyFromChild(const ewol::ObjectShared& _child) {
ewol::widget::Container::requestDestroyFromChild(_child);
if (*propertyRemoveIfUnderRemove == true) {
EWOL_DEBUG("Child widget remove ==> auto-remove");
autoDestroy();
}
}