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[DEV] add an API to create widget with XML

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This commit is contained in:
Edouard DUPIN 2016-01-29 21:23:12 +01:00
parent 632fafaa3d
commit 7273b617ff
2 changed files with 57 additions and 1 deletions
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55
ewol/widget/Composer.cpp
View File

@ -11,6 +11,7 @@
#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"
@ -20,6 +21,60 @@ ewol::widget::Composer::Composer() {
// nothing to do ...
}
std::shared_ptr<ewol::Widget> ewol::widget::composerGenerate(enum ewol::widget::Composer::composerMode _mode, const std::string& _data) {
ewol::widget::Manager& widgetManager = ewol::getContext().getWidgetManager();
if (_data == "") {
return nullptr;
}
std::shared_ptr<exml::Document> doc = exml::Document::create();
switch(_mode) {
case ewol::widget::Composer::None:
EWOL_ERROR("Not specify the type for compositing dynamic creation");
return nullptr;
case ewol::widget::Composer::String:
if (doc->parse(_data) == false) {
EWOL_ERROR(" can not load file XML string...");
return nullptr;
}
break;
case ewol::widget::Composer::file:
if (doc->load(_data) == false) {
EWOL_ERROR(" can not load file XML : " << _data);
return nullptr;
}
break;
}
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 << "'");
std::shared_ptr<ewol::Widget> 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;
}
void ewol::widget::Composer::init(enum composerMode _mode, const std::string& _fileName) {
ewol::widget::Container::init();
switch(_mode) {

3
ewol/widget/Composer.h
View File

@ -36,7 +36,7 @@ namespace ewol {
* @param[in] _mode mode of parsing the string
* @param[in] _data file/directString data to generate compositing of the widget..
*/
void init(enum composerMode _mode = ewol::widget::Composer::None, const std::string& _data = "");
void init(enum ewol::widget::Composer::composerMode _mode = ewol::widget::Composer::None, const std::string& _data = "");
public:
DECLARE_WIDGET_FACTORY(Composer, "Composer");
/**
@ -58,6 +58,7 @@ namespace ewol {
*/
bool loadFromString(const std::string& _composerXmlString);
};
std::shared_ptr<ewol::Widget> composerGenerate(enum ewol::widget::Composer::composerMode _mode = ewol::widget::Composer::None, const std::string& _data = "");
};
};