jquery.do.js

$(function(){
            	
	$("body").append(
        '<div id="jqueryDo" title="jQuery Do">' +
    		'<div>jQuery-do: <input id="jqDoIn" type="text" /></div>' +
        '</div>'
    );
        	
	$( "#jqueryDo" ).dialog({
    	autoOpen:false,
		height: 200,
		width: 350
	});
    var loaded = false;
    function doAction(el){
        if(el.nodeName=='A' || el.nodeName=='a'){ 
		    var r = true;
		    try{
		   	    var r = $(el).triggerHandler('click');
		       	if(r == undefined){
		           	r = true;
		        }
		    }catch(e){}
		    if(r !== false){// se o click nao retornou false, acessamos o href
			    document.location.href = el.href;
			}
        }else if(el.nodeName == 'LABEL'){
            console.log('label for='+$(el).attr('for'));
            $('#' + $(el).attr('for')).focus();
            $("#jqueryDo").dialog('close');
        }else{
            $(el).click();
        }
    }
    function ctrlSpaceHandler(){
    	// start jQuery do inspirado no gnome-do
    	if(loaded==false){
        	loaded = true;
        	var ls = $.cookie('jqDoClickedLs');
	        if(ls == null){
		        ls = new Array();
		    }else{
			    ls = ls.split(',');
			}
		    console.log(ls);
        	var txt = new Array();
        	$("a").each(function(){
	        	var lbl = $.trim($(this).text());
	        	var item = {label: lbl, value: this};
        		txt.push(item);
	        });
            $(":button").each(function(){
                var lbl = $.trim($(this).val());
                var item = {label: lbl, value: this};
                txt.push(item);
            });
            $("input[type='submit']").each(function(){
                var lbl = $.trim($(this).val());
                var item = {label: lbl, value: this};
                txt.push(item);
            });
            $("label").each(function(){
                var lbl = $.trim($(this).text());
                var item = {label: lbl, value: this};
                txt.push(item);
            });
            txt = txt.sort(function(a, b){
                var pa = ls.indexOf(a.label);
                var pb = ls.indexOf(b.label);
                return pb - pa;
            });
            $("#jqDoIn").keyup(function(event){
                if(event.keyCode=='13'){
                    var t = $('.ui-autocomplete > li:first').text();
                    for(var i=0;i < txt.length;i++){
                        if(txt[i].label==t){
                            doAction(txt[i].value);
                        }
                    }
                }
            });
        	$("#jqDoIn").autocomplete({
		        source: txt,
		        focus: function( event, ui ) {
					return false; // nao troca o texto do input
		        },
		        select: function(event, ui) {
                    var tmp = new Array();
			        var lbl = ui.item.label;
                    for(var i = 0; i<ls.length; i++){
                        if(ls[i]!=lbl){
                            tmp.push(ls[i]);
                        }
                    }
                    ls = tmp;
			        ls.push(lbl);
			        $.cookie('jqDoClickedLs', ls, {expires: 15});
			        var el = ui.item.value;
			        doAction(el);
                    return false;
			    }
        	})
        	.data( "autocomplete" )._renderItem = function( ul, item ) {
				return $( "<li></li>" )
					.data( "item.autocomplete", item )
					.append( "<a>" + item.label + "</a>" )
					.appendTo( ul );
			};
        }
		$("#jqueryDo").dialog('open');
    }
	$(window).bind('keydown', 'ctrl+space', ctrlSpaceHandler);
	$("input[type=text]").bind('keydown', 'ctrl+space', ctrlSpaceHandler);
});