"use strict";

function invoke_dblclick_event() {
    var ev = null;
    var event_params = null;

    event_params = {
        bubbles: true,
        cancelable: false
    };

    //ev = document.createEvent("MouseEvent");
    //ev = new Event("MouseEvent", event_params);
    ev = new MouseEvent("dblclick");

    window.dispatchEvent(ev);

}


//experimenting with invoking a synthetic event
//2024-07-12: 
//this script has been updated. The function ''
function invoke_entire_mouse_event(elem_id) {
    var elem = null;
    var m_enter = null;
    var m_over = null;
    var m_move = null;
    var m_down = null;
    var m_up = null;
    var m_click = null;
    var m_out = null;

    elem = document.getElementById(elem_id);
    if (elem !== null) {
        m_enter = new Event("mouseenter");
        m_over = new Event("mouseover");
        m_move = new Event("mousemove");

        m_down = new Event("mousedown");
        m_up = new Event("mouseup");
        m_click = new Event("mouseclick");

        m_out = new Event("mouseout");

        elem.dispatchEvent(m_enter);
        elem.dispatchEvent(m_over);
        elem.dispatchEvent(m_move);  
        
        elem.dispatchEvent(m_down);    
        elem.dispatchEvent(m_up);
        elem.dispatchEvent(m_click);

        elem.dispatchEvent(m_out);
    }
}


function invoke_mousedown_event(elem_id) {
    var w = null;
    var m_enter = null;
    var m_over = null;
    var m_move = null;
    var m_down = null;
    var m_up = null;
    var m_click = null;

    w = document.getElementById(elem_id);
    ////w = window;
    if (w !== null) {
        //deactivate_global_active_window();
        //m_enter = new Event("mouseenter");
        //m_over = new Event("mouseover");
        //m_move = new Event("mousemove");
        m_down = new Event("mousedown");
        ////m_up = new Event("mouseup");
        ////m_click = new Event("mouseclick");

        //w.dispatchEvent(m_enter);
        //w.dispatchEvent(m_over);
        //w.dispatchEvent(m_move);
        w.dispatchEvent(m_down);
        ////w.dispatchEvent(m_up);
        ////w.dispatchEvent(m_click);
    }
}


//2023-09-23:
//A function to invoke a custom event on a specific object
function invoke_event(elem_id, event_type) {
    var new_event = null;
    var elem = null;

    elem = document.getElementById(elem_id);
    if (elem !== null) {
        new_event = new Event(event_type);
        elem.dispatchEvent(new_event);
    }
}


//2023-09-23:
//A function to invoke a custom synthetic event on a specific object
//where the input to the function passes the HTML element itself
//into the function. the similar function: 'invoke_event' recieves
//only the HTML element's id attribute; not the HTML element
//itself. This is useful when invoking a synthetic event for the
//browser window object. the window cannot have an id attribute, so
//the window element is passed into the function as an element.
function invoke_element_event(elem, event_type) {
    var new_event = null;
    var elem_obj = null;

    elem_obj = elem;
    if (elem_obj !== null) {
        new_event = new Event(event_type);
        elem_obj.dispatchEvent(new_event);
    }
}

function invoke_mouse_event(elem_id, event_type, ev) {
    var elem = null;
    var event_object = null;
    var e = null;
    var clientX = null;
    var clientY = null;
    var target = null;

    e = ev;
    clientX = e.clientX;
    clientY = e.clientY;
    elem = document.getElementById(elem_id);
    if (elem !== null) {
        event_object = new Event(event_type);
        event_object.clientX = clientX;
        event_object.clientY = clientY;
        elem.dispatchEvent(event_object);
    }
}


//2023-11-18:
//The function name may imply a "window load" event, but
//it actually invokes the body "load" event. Same thing...
function invoke_window_load_event() {
    var ev = null;
    var event_params = null;

    event_params = {
        bubbles: true,
        cancelable: false
    };

    ev = new Event("load");

    window.dispatchEvent(ev);
}