Runtime: Added PostStart methot to PLCObject, called after PLC is started, with all libraries and python object already created, and python extensions "Start" methods being called.
This is called before python thread processing py_eval blocks starts. Example purpose: attach additional ressource to web services
// widget_back.ysl2
template "widget[@type='Back']", mode="widget_class"
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class BackWidget extends Widget{
on_click(evt) {
if(jump_history.length > 1){
jump_history.pop();
let [page_name, index] = jump_history.pop();
switch_page(page_name, index);
}
}
init() {
this.element.setAttribute("onclick", "hmi_widgets['"+this.element_id+"'].on_click(evt)");
}
}
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