void OTMLNode::addChild(const OTMLNodePtr& newChild)
{
// replace is needed when the tag is marked as unique
if(newChild->hasTag()) {
for(const OTMLNodePtr& node : m_children) {
if(node->tag() == newChild->tag() && (node->isUnique() || newChild->isUnique())) {
newChild->setUnique(true);
if(node->hasChildren() && newChild->hasChildren()) {
OTMLNodePtr tmpNode = node->clone();
tmpNode->merge(newChild);
newChild->copy(tmpNode);
}
replaceChild(node, newChild);
// remove any other child with the same tag
auto it = m_children.begin();
while(it != m_children.end()) {
OTMLNodePtr node = (*it);
if(node != newChild && node->tag() == newChild->tag()) {
it = m_children.erase(it);
} else
++it;
}
return;
}
}
}
m_children.push_back(newChild);
}
UIWidgetPtr UIManager::createWidgetFromOTML(const OTMLNodePtr& widgetNode, const UIWidgetPtr& parent)
{
OTMLNodePtr originalStyleNode = getStyle(widgetNode->tag());
if(!originalStyleNode)
stdext::throw_exception(stdext::format("'%s' is not a defined style", widgetNode->tag()));
OTMLNodePtr styleNode = originalStyleNode->clone();
styleNode->merge(widgetNode);
std::string widgetType = styleNode->valueAt("__class");
// call widget creation from lua
UIWidgetPtr widget = g_lua.callGlobalField<UIWidgetPtr>(widgetType, "create");
if(parent)
parent->addChild(widget);
if(widget) {
widget->callLuaField("onCreate");
widget->setStyleFromNode(styleNode);
for(const OTMLNodePtr& childNode : styleNode->children()) {
if(!childNode->isUnique()) {
createWidgetFromOTML(childNode, widget);
styleNode->removeChild(childNode);
}
}
} else
stdext::throw_exception(stdext::format("unable to create widget of type '%s'", widgetType));
widget->callLuaField("onSetup");
return widget;
}
void UIWidget::updateStyle()
{
if(m_destroyed)
return;
if(m_loadingStyle && !m_updateStyleScheduled) {
UIWidgetPtr self = static_self_cast<UIWidget>();
g_dispatcher.addEvent([self] {
self->m_updateStyleScheduled = false;
self->updateStyle();
});
m_updateStyleScheduled = true;
return;
}
if(!m_style)
return;
OTMLNodePtr newStateStyle = OTMLNode::create();
// copy only the changed styles from default style
if(m_stateStyle) {
for(OTMLNodePtr node : m_stateStyle->children()) {
if(OTMLNodePtr otherNode = m_style->get(node->tag()))
newStateStyle->addChild(otherNode->clone());
}
}
// checks for states combination
for(const OTMLNodePtr& style : m_style->children()) {
if(stdext::starts_with(style->tag(), "$")) {
std::string statesStr = style->tag().substr(1);
std::vector<std::string> statesSplit = stdext::split(statesStr, " ");
bool match = true;
for(std::string stateStr : statesSplit) {
if(stateStr.length() == 0)
continue;
bool notstate = (stateStr[0] == '!');
if(notstate)
stateStr = stateStr.substr(1);
bool stateOn = hasState(Fw::translateState(stateStr));
if((!notstate && !stateOn) || (notstate && stateOn))
match = false;
}
// merge states styles
if(match) {
newStateStyle->merge(style);
}
}
}
//TODO: prevent setting already set proprieties
applyStyle(newStateStyle);
m_stateStyle = newStateStyle;
}
void UIManager::importStyleFromOTML(const OTMLNodePtr& styleNode)
{
std::string tag = styleNode->tag();
std::vector<std::string> split = stdext::split(tag, "<");
if(split.size() != 2)
throw OTMLException(styleNode, "not a valid style declaration");
std::string name = split[0];
std::string base = split[1];
bool unique = false;
stdext::trim(name);
stdext::trim(base);
if(name[0] == '#') {
name = name.substr(1);
unique = true;
styleNode->setTag(name);
styleNode->writeAt("__unique", true);
}
OTMLNodePtr oldStyle = m_styles[name];
// Warn about redefined styles
/*
if(!g_app.isRunning() && (oldStyle && !oldStyle->valueAt("__unique", false))) {
auto it = m_styles.find(name);
if(it != m_styles.end())
g_logger.warning(stdext::format("style '%s' is being redefined", name));
}
*/
if(!oldStyle || !oldStyle->valueAt("__unique", false) || unique) {
OTMLNodePtr originalStyle = getStyle(base);
if(!originalStyle)
stdext::throw_exception(stdext::format("base style '%s', is not defined", base));
OTMLNodePtr style = originalStyle->clone();
style->merge(styleNode);
style->setTag(name);
m_styles[name] = style;
}
}