beremiz

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.
svghmi
2020-09-10, Edouard Tisserant
bff50b7e50ee
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_button.ysl2
template "widget[@type='Button']", mode="widget_class"{
||
class ButtonWidget extends Widget{
frequency = 5;
state = 0;
active_style = undefined;
inactive_style = undefined;
// TODO decouple update of DOM from event (i.e use animate())
// TODO State of the button should distinguish UI feedbak from current PLC value
on_mouse_down(evt) {
if (this.active_style && this.inactive_style) {
this.active_elt.setAttribute("style", this.active_style);
this.inactive_elt.setAttribute("style", "display:none");
}
this.apply_hmi_value(0, 1);
// TODO inhibit all mouse/touch events except mouse up (in other word grab cursor)
}
on_mouse_up(evt) {
if (this.active_style && this.inactive_style) {
this.active_elt.setAttribute("style", "display:none");
this.inactive_elt.setAttribute("style", this.inactive_style);
}
this.apply_hmi_value(0, 0);
// TODO release inhibited events
}
init() {
// TODO : move to widget_defs so that we can have generated string literals directly
this.active_style = this.active_elt ? this.active_elt.style.cssText : undefined;
this.inactive_style = this.inactive_elt ? this.inactive_elt.style.cssText : undefined;
if (this.active_style && this.inactive_style) {
this.active_elt.setAttribute("style", "display:none");
this.inactive_elt.setAttribute("style", this.inactive_style);
}
this.element.setAttribute("onmousedown", "hmi_widgets[\""+this.element_id+"\"].on_mouse_down(evt)");
this.element.setAttribute("onmouseup", "hmi_widgets[\""+this.element_id+"\"].on_mouse_up(evt)");
}
}
||
}
template "widget[@type='Button']", mode="widget_defs" {
param "hmi_element";
optional_labels("active inactive");
|,
}