Re: Alert on ajax activity

[robert.mcguinness]

this snippet was handed to me long ago and I've slightly modified over time.



$().ready(function() {
    $(document).click(clickFunc);
    
    hideBusysign();
    
    if (typeof Wicket == 'object' && typeof Wicket.Ajax == 'object') {
        Wicket.Ajax.registerPreCallHandler(showBusysign);
        Wicket.Ajax.registerPostCallHandler(hideBusysign);
        Wicket.Ajax.registerFailureHandler(hideBusysign);
    }

    function hideBusysign() {
        $("#ajaxLoader").hide();
    }

    function showBusysign() {
        var ajaxLoader = $("#ajaxLoader");
        var scrollPosition = $(window).scrollTop();
        ajaxLoader.css('top', scrollPosition);
        ajaxLoader.css('left', 20);
        ajaxLoader.show();
    }

    function clickFunc(eventData) {
        
        // IGNORE RIGHT CLICKS
        if (window.event && event.button == 2) {            
            return;
        }else if (eventData.which == 3) {            
            return;            
        }
                
        var clickedElement = (window.event) ? event.srcElement :
eventData.target;
        if ((clickedElement.tagName.toUpperCase() == 'A' &&
((clickedElement.target == null) || (clickedElement.target.length <= 0))
                && (clickedElement.href.lastIndexOf('#') !=
(clickedElement.href.length - 1)) && (!('nobusy' in clickedElement))
                && (clickedElement.href.indexOf('mailto') < 0)
                && (clickedElement.href.indexOf('WicketAjaxDebug') < 0) &&
(clickedElement.href.lastIndexOf('.doc') != (clickedElement.href.length -
4))
                && (clickedElement.href.lastIndexOf('.csv') !=
(clickedElement.href.length - 4))
                && (clickedElement.href.lastIndexOf('.xls') !=
(clickedElement.href.length - 4)) && ((clickedElement.onclick == null) ||
(clickedElement.onclick
                .toString().indexOf('window.open') <= 0))
                || (clickedElement.parentNode != 'undefined' &&
clickedElement.parentNode.tagName != null &&
clickedElement.parentNode.tagName.toUpperCase() == 'A'
                        && ((clickedElement.parentNode.target == null) ||
(clickedElement.parentNode.target.length <= 0))
                        && (clickedElement.parentNode.href.indexOf('mailto')
< 0)
                        && (clickedElement.parentNode.href.lastIndexOf('#')
!= (clickedElement.parentNode.href.length - 1))
                        &&
(clickedElement.parentNode.href.lastIndexOf('.doc') !=
(clickedElement.parentNode.href.length - 4))
                        &&
(clickedElement.parentNode.href.lastIndexOf('.csv') !=
(clickedElement.parentNode.href.length - 4))
                        &&
(clickedElement.parentNode.href.lastIndexOf('.xls') !=
(clickedElement.parentNode.href.length - 4)) &&
((clickedElement.parentNode.onclick == null) ||
(clickedElement.parentNode.onclick
                        .toString().indexOf('window.open') <= 0)))
                || (((clickedElement.onclick == null) ||
((clickedElement.onclick.toString().indexOf('confirm') <= 0)
                        &&
(clickedElement.onclick.toString().indexOf('alert') <= 0) &&
(clickedElement.onclick.toString().indexOf('Wicket.Palette') <= 0) &&
clickedElement.onclick.toString().indexOf("window.print") <= 0) )) &&
(clickedElement.tagName
                        .toUpperCase() == 'INPUT' &&
(clickedElement.type.toUpperCase() == 'BUTTON' ||
clickedElement.type.toUpperCase() == 'SUBMIT' || clickedElement.type
                        .toUpperCase() == 'IMAGE')))) {
            showBusysign();
        }
    }

});


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