Runtime/PLCObject : move call to PreStartPLC right after call to the "start" method of all python extensions, and then just before the start of the python loop executing python_* blocks.
// widget_tooglebutton.ysl2
template "widget[@type='ToggleButton']", mode="widget_class"{
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class ToggleButtonWidget extends Widget{
frequency = 5;
state = 0;
active_style = undefined;
inactive_style = undefined;
dispatch(value) {
this.state = value;
if (this.state) {
this.active_elt.setAttribute("style", this.active_style);
this.inactive_elt.setAttribute("style", "display:none");
this.state = 0;
} else {
this.inactive_elt.setAttribute("style", this.inactive_style);
this.active_elt.setAttribute("style", "display:none");
this.state = 1;
}
}
on_click(evt) {
this.apply_hmi_value(0, this.state);
}
init() {
this.active_style = this.active_elt.style.cssText;
this.inactive_style = this.inactive_elt.style.cssText;
this.element.setAttribute("onclick", "hmi_widgets['"+this.element_id+"'].on_click(evt)");
}
}
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}
template "widget[@type='ToggleButton']", mode="widget_defs" {
param "hmi_element";
labels("active inactive");
|,
}