/*********************
    VOTES FUNCTIONS
    BASIC FUNCTIONS
**********************/

function menealo(user, id, htmlid, md5){
    var url = base_url + "backend/menealo.php";
    var content = "id=" + id + "&user=" + user + "&md5=" + md5;
    url = url + "?" + content;
    disable_vote_link(id, "...", 'none');
    $.getJSON(url,
        function(data) {
            parseLinkAnswer(htmlid, data);
        });
}

function carga_mensaje(userid, md5){
    var url = base_url + "backend/mezuak.php";
    var content = "id=" + userid + "&md5=" +md5;
    url = url + "?" + content;
	
    $.getJSON(url,
        function(data) {
            ErantzunaProzesatu(userid, data);
        }
        );
    setTimeout('carga_mensaje("'+userid+'", "'+md5+'")', 5000);
}

function idatzi_mezuak(zer){
    $('#mezuak').html('<span>'+zer+'</span>');
}

function ErantzunaProzesatu(id, link){
    if (link.error || id != link.id) {
        idatzi_mezuak(".. error al actualizar los datos ..");
        alert("Error: "+link.error);
        return false;
    }
    idatzi_mezuak(link.mezuberri);
    return false;
}

/*********************
 * Leer los mensajes *
 *********************/
function irakurri_mezua(mezuid, userid, md5, mota, eg)
{
    var url = base_url + "backend/mezuak_ikusi.php";
    var content = "id=" + userid + "&md5=" +md5 + "&mid=" +mezuid+"&mota=" +mota+"&eg=" +eg;
    url = url + "?" + content;

    $.ajax({
        url: url,
        dataType: "html",
        success: function(html) {
            idatzi_mezuguztia(html, mezuid);
        }
    });
}
 
function ezabatu_mezua(mezuid, userid, md5, mota){
    var url = base_url + "backend/ezabatu_mezua.php";
    var content = "id=" + userid + "&md5=" +md5 + "&mid=" +mezuid+"&mota=" +mota;
    url = url + "?" + content;
	
    // Ocultamos
    document.getElementById('mezuak'+mezuid).style.display = 'none';
	
    $.ajax({
        url: url,
        dataType: "html",
        success: function(html) {
            $('#mezuak'+mezuid).html('no data');
        }
    });
}

function idatzi_mezuguztia(zer, id) {
    $('#mezuak'+id).html(zer);
}

function ProzesatuMezua(id, link, mezuid){
    if (link.error || id != link.id) {
        idatzi_mezuguztia(".. error al actualizar los datos ..", mezuid);
        alert("Error: "+link.error);
        return false;
    }
    idatzi_mezuguztia(link.mezuberri, mezuid);
    return false;
}

function menealo_comment(user, id, value){
    var url = base_url + "backend/menealo_comment.php";
    var content = "id=" + id + "&user=" + user + "&value=" + value;
    var myid = 'comment-'+id;
    url = url + "?" + content;
    $.getJSON(url,
        function(data) {
            if (data.error) {
                alert("Error: "+data.error);
                return false;
            } else {
                $('#vc-'+id).html(data.votes+"");
                $('#vk-'+id).html(data.karma+"");
                if (data.image.length > 0) {
                    $('#c-votes-'+id).html('<img src="'+data.image+'"/>');
                }
            }
        });
}

function menealo_post(user, id, value){
    var url = base_url + "backend/menealo_post.php";
    var content = "id=" + id + "&user=" + user + "&value=" + value;
    var myid = 'comment-'+id;
    url = url + "?" + content;
    $.getJSON(url,
        function(data) {
            if (data.error) {
                alert("Error: "+data.error);
                return false;
            } else {
                $('#vc-'+id).html(data.votes+"");
                $('#vk-'+id).html(data.karma+"");
                if (data.image.length > 0) {
                    $('#c-votes-'+id).html('<img src="'+data.image+'"/>');
                }
            }
        });
}

function disable_vote_link(id, mess, background) {
    $('#a-va-' + id).html('<span id="a-shake-2">'+mess+'</span>');
    $('#a-va-' + id).css('background', background);
}

function parseLinkAnswer (id, link) {
    $('#problem-' + id).hide();
    if (link.error || id != link.id) {
        disable_vote_link(id, "grr...", 'none');
        alert("Error: "+link.error);
        return false;
    }
    votes = parseInt(link.votes)+parseInt(link.anonymous);
    if ($('#a-votes-' + link.id).html() != votes) {
        $('#a-votes-' + link.id).hide();
        $('#a-votes-' + link.id).html(votes+"<br/><span>votos</span>");
        $('#a-votes-' + link.id).fadeIn('slow');
    }
    $('#a-neg-' + link.id).html(link.negatives+"");
    $('#a-usu-' + link.id).html(link.votes+"");
    $('#a-ano-' + link.id).html(link.anonymous+"");
    $('#a-karma-' + link.id).html(link.karma+"");
    if (link.value > 0) {
        disable_vote_link(link.id, "&#161; Genial !", 'none');
    } else if (link.value < 0) {
        disable_vote_link(link.id, ":-(", 'none');
    }
    return false;
}

function securePasswordCheck(field) {
    /*La función comprueba si la clave contiene al menos
	 *ocho caracteres e incluye mayúsculas, minúsculas y números.
	 *
	 * Function checks if the password provided contains at least
	 * eight chars, including upper, lower and numbers.
	 *
	 * jotape - jplopez.net */

    if (field.value.length > 5 && field.value.match("^(?=.{6,})(?=(.*[a-z].*))(?=(.*[A-Z0-9].*)).*$", "g")) {
        if (field.value.match("^(?=.{8,})(?=(.*[a-z].*))(?=(.*[A-Z].*))(?=(.*[0-9].*)).*$", "g")) {
            field.style.backgroundColor = "#8FFF00";
        } else {
            field.style.backgroundColor = "#F2ED54";
        }
    } else {
        field.style.backgroundColor = "#F56874";
    }
    return false;
}

function checkEqualFields(field, against) {
    if(field.value == against.value) {
        field.style.backgroundColor = '#8FFF00';
    } else {
        field.style.backgroundColor = "#F56874";
    }
    return false;
}

function enablebutton (button, button2, target){
    var string = target.value;
    if (button2 != null) {
        button2.disabled = false;
    }
    if (string.length > 0) {
        button.disabled = false;
    } else {
        button.disabled = true;
    }
}

function checkfield (type, form, field){
    var url = base_url + 'backend/checkfield.php?type='+type+'&name=' + encodeURIComponent(field.value);
    $.get(url,
        function(html) {
            if (html == 'OK') {
                $('#'+type+'checkitvalue').html('<span style="color:green">"' + encodeURI(field.value) + '" ' + html + '</span>');
                form.submit.disabled = '';
            } else {
                $('#'+type+'checkitvalue').html('<span style="color:red">&laquo;' + encodeURI(field.value) + '&raquo; ' + html + '</span>');
                form.submit.disabled = 'disabled';
            }
        }
        );
    return false;
}

function check_checkfield(fieldname, mess) {
    field = document.getElementById(fieldname);
    if (field && !field.checked) {
        alert(mess);
        // box is not checked
        return false;
    }
}

function report_problem(frm, user, id, md5 /*id, code*/) {
    if (frm.ratings.value == 0)
        return;
    if (! confirm("¿Seguro que desea votar '" + frm.ratings.options[frm.ratings.selectedIndex].text +"'?") ) {
        frm.ratings.selectedIndex=0;
        return false;
    }
    var content = "id=" + id + "&user=" + user + "&md5=" + md5 + '&value=' +frm.ratings.value;
    var url=base_url + "backend/problem.php?" + content;
    $.getJSON(url,
        function(data) {
            parseLinkAnswer(id, data);
        });
    return false;
}

// Get voters by Beldar <beldar.cat at gmail dot com>
// Generalized for other uses (gallir at gmail dot com)
function get_votes(program,type,container,page,id) {
    var url = base_url + 'backend/'+program+'?id='+id+'&p='+page+'&type='+type;
    $('#'+container).load(url);
}

function modal_from_ajax(url, title) {
    if (typeof(title) == "undefined") title = '&nbsp';
    $.modal('<div class="header" id="modalHeader" style="z-index: 10;display: block;" ><div id="modalTitle">'+title+'</div><a href="#" title="Close" class="modalCloseX modalClose">x</a></div><div style="z-index: 10;display: block;" class="content" id="modalContent">Loading...</div>', {
        overlay: "50"
    });
    $.get(url, function(data){
        // create a modal dialog with the data
        $('#modalContent').html(data);
    });
}

// See http://www.shiningstar.net/articles/articles/javascript/dynamictextareacounter.asp?ID=AW
function textCounter(field,cntfield,maxlimit) {
    if (field.value.length > maxlimit)
        // if too long...trim it!
        field.value = field.value.substring(0, maxlimit);
    // otherwise, update 'characters left' counter
    else
        cntfield.value = maxlimit - field.value.length;
}


/**************************************
Tooltips functions
***************************************/
/**
 * Stronglky modified, only works with DOM2 compatible browsers.
 * Ricardo Galli
 * From http://ljouanneau.com/softs/javascript/tooltip.php
 */

// Creating the tooltip object
function tooltip(){}

// Setting up properties of tooltip object
tooltip.id="tooltip";
tooltip.main=null;
tooltip.offsetx = 10;
tooltip.offsety = 10;
tooltip.shoffsetx = 8;
tooltip.shoffsety = 8;
tooltip.x = 0;
tooltip.y = 0;
tooltip.tooltipShadow=null;
tooltip.tooltipText=null;
tooltip.title_saved='';
tooltip.saveonmouseover=null;
tooltip.timeout = null;
tooltip.active = false;

tooltip.cache = new JSOC();

tooltip.ie = (document.all)? true:false;		// check if ie
if(tooltip.ie) tooltip.ie5 = (navigator.userAgent.indexOf('MSIE 5')>0);
else tooltip.ie5 = false;
tooltip.dom2 = ((document.getElementById) && !(tooltip.ie5))? true:false; // check the W3C DOM level2 compliance. ie4, ie5, ns4 are not dom level2 compliance !! grrrr >:-(


/**
 * Open tooltip. The title attribute of the htmlelement is the text of the tooltip
 * Call this method on the mouseover event on your htmlelement
 * e.g.:  <div id="myHtmlElement" onmouseover="tooltip.show(this)"...></div>
 */
tooltip.show = function (event, text) {
    // we save text of title attribute to avoid the showing of tooltip generated by browser
    if (this.dom2  == false) return false;
    /*if (this.tooltipShadow == null) {
        this.tooltipShadow = document.createElement("div");
        this.tooltipShadow.setAttribute("id", "tooltip-shadow");
        document.body.appendChild(tooltip.tooltipShadow);

        this.tooltipText = document.createElement("div");
        this.tooltipText.setAttribute("id", "tooltip-text");
        document.body.appendChild(this.tooltipText);
    }*/
    if (this.tooltip == null) {
        this.tooltipText = document.createElement("div");
        this.tooltipText.setAttribute("id", "tooltip-text");
        document.body.appendChild(this.tooltipText);
    }
    this.saveonmouseover=document.onmousemove;
    document.onmousemove = this.mouseMove;
    this.mouseMove(event); // This already moves the div to the right position
    this.setText(text);
    this.tooltipText.style.visibility ="visible";
    //this.tooltipShadow.style.visibility ="visible";
    this.active = true;
    return false;
}

tooltip.setText = function (text) {
    //tooltip.tooltipShadow.style.width = 0+"px";
    //tooltip.tooltipShadow.style.height = 0+"px";
    this.tooltipText.innerHTML=text;
    //setTimeout('tooltip.setShadow()', 1);
    return false;
}

tooltip.setShadow = function () {
    tooltip.tooltipShadow.style.width = tooltip.tooltipText.clientWidth+"px";
    tooltip.tooltipShadow.style.height = tooltip.tooltipText.clientHeight+"px";
}

/**
 * Hide tooltip
 * call this method on the mouseout event of the html element
 * e.g.: <div id="myHtmlElement" ... onmouseout="tooltip.hide(this)"></div>
 */
tooltip.hide = function (event) {
    if (this.dom2 == false) return false
    document.onmousemove=this.saveonmouseover
    this.saveonmouseover=null
//    if (this.tooltipShadow != null ) {
//        this.tooltipText.style.visibility = "hidden";
//        this.tooltipShadow.style.visibility = "hidden";
//        this.tooltipText.innerHTML='';
//    }
    if (this.tooltipText != null ) {
        this.tooltipText.style.visibility = "hidden"
        this.tooltipText.innerHTML=''
    }
    this.active = false
}

// Moves the tooltip element
tooltip.mouseMove = function (e) {
    // we don't use "this", but tooltip because this method is assign to an event of document
    // and so is dreferenced

    if (tooltip.ie) {
        tooltip.x = event.clientX;
        tooltip.y = event.clientY;
    } else {
        tooltip.x = e.pageX;
        tooltip.y = e.pageY;
    }
    tooltip.moveTo( tooltip.x +tooltip.offsetx , tooltip.y + tooltip.offsety);
}

// Move the tooltip element
tooltip.moveTo = function (xL,yL) {
    if (this.ie) {
        xL +=  document.documentElement.scrollLeft;
        yL +=  document.documentElement.scrollTop;
    }
    if (this.tooltipText.clientWidth > 0  && document.documentElement.clientWidth > 0 && xL > document.documentElement.clientWidth * 0.55) {
        xL = xL - this.tooltipText.clientWidth - 2*this.offsetx;
    }
    this.tooltipText.style.left = xL +"px";
    this.tooltipText.style.top = yL +"px";
    xLS = xL + this.shoffsetx;
    yLS = yL + this.shoffsety;
    //this.tooltipShadow.style.left = xLS +"px";
    //this.tooltipShadow.style.top = yLS +"px";
}

// Show the content of a given comment
tooltip.c_show = function (event, type, element, link) {
    // we save text of title attribute to avoid the showing of tooltip generated by browser
    if (this.dom2  == false ) return false;
    if (element == 0 && link > 0) { // It's a #0  from a comment
        this.ajax_delayed(event,'get_link.php',link);
        return;
    }
    if (type == 'id') {
        target_text = 'comment-' + element;
        target_author = 'cauthor-'+element;
        target = document.getElementById(target_text);
        author_target = document.getElementById(target_author);
        if (! target || ! author_target)  {
            this.ajax_delayed(event,'get_comment_tooltip.php',element+"&link="+link);
            return;
        }
        text = '<strong>'+author_target.innerHTML+'</strong><br/>'+target.innerHTML;
    } else if (type == 'order') {
        this.ajax_delayed(event,'get_comment_tooltip.php',element+"&link="+link);
        return;
    } else {
        text = element;
    }
    return this.show(event, text);
}

tooltip.clear = function (event) {
    if (this.timeout != null) {
        clearTimeout(this.timeout);
        this.timeout = null;
    }
    this.hide(event);
}

tooltip.ajax_delayed = function (event, script, id, maxcache) {
    maxcache = maxcache || 600000; // 10 minutes in cache
    if (this.active) return false;
    if ((object = this.cache.get(script+id)) != undefined) {
        tooltip.show(event, object[script+id]);
    } else {
        this.show(event, 'cargando...'); // Translate this to your language: it's "loading..." ;-)
        this.timeout = setTimeout("tooltip.ajax_request('"+script+"', '"+id+"', "+maxcache+")", 100);
    }
}

tooltip.ajax_request = function(script, id, maxcache) {
    var url = base_url + 'backend/'+script+'?id='+id;
    tooltip.timeout = null;
    $.ajax({
        url: url,
        dataType: "html",
        success: function(html) {
            tooltip.cache.set(script+id, html, {
                'ttl':maxcache
            });
            tooltip.setText(html);
        }
    });
}

/***************************
 * Simple format functions *
 ***************************/
/*
  Code from http://www.gamedev.net/community/forums/topic.asp?topic_id=400585
  strongly improved by Juan Pedro López for http://meneame.net
  2006/10/01, jotape @ http://jplopez.net
*/

function applyTag(id, tag) {
    obj = document.getElementById(id);
    if (obj) wrapText(obj, tag, tag);
}

function wrapText(obj, tag) {
    if(typeof obj.selectionStart == 'number') {
        // Mozilla, Opera and any other true browser
        var start = obj.selectionStart;
        var end   = obj.selectionEnd;

        if (start == end || end < start) return false;
        obj.value = obj.value.substring(0, start) +  replaceText(obj.value.substring(start, end), tag) + obj.value.substring(end, obj.value.length);
    } else if(document.selection) {
        // Damn Explorer
        // Checking we are processing textarea value
        obj.focus();
        var range = document.selection.createRange();
        if(range.parentElement() != obj) return false;
        if (range.text == "") return false;
        if(typeof range.text == 'string')
            document.selection.createRange().text =  replaceText(range.text, tag);
    } else
        obj.value += text;
}

function replaceText(text, tag) {
    text = text.replace(/(^|\s)[\*_]([^\s]+)[\*_]/gm, '$1$2')
    text = text.replace(/([^\s]+)/gm, tag+"$1"+tag)
    return text;
}

// This function reports the ajax request to stats trackers.
// Only known how to do it with urchin/Google Analytics.
// See http://www.google.com/support/analytics/bin/answer.py?answer=33985&topic=7292
function reportAjaxStats(page) {
    return; // Slow down
    if (window.urchinTracker) {
        urchinTracker(page+'.ajax');
    }
}

function bindTogglePlusMinus(img_id, link_id, container_id) {
    $(document).ready(function (){
        $('#'+link_id).bind('click',
            function() {
                if ($('#'+img_id).attr("src") == plus){
                    $('#'+img_id).attr("src", minus);
                }else{
                    $('#'+img_id).attr("src", plus);
                }
                $('#'+container_id).slideToggle("fast");
                return false;
            }
            );
    });
}