Ukrywaczka do ogłoszeń na Roksie

// ==UserScript==
// @name           roksahidden
// @namespace      roksahdn
// @description    filtr ukrywający nieinteresujące nas ogłoszenia z listy ulubionych
// @version        1
// @include        http://*.roksa.pl/*/logowanie*
// ==/UserScript==

(function (){

var frazyDoUkrycia = [
    'nie, nie, nie',
    'nie!',
    'omijać',
    'leniwa',
    'naciągara',
    'nie polecana',
    'szału ni ma',
    'dupy nie urywa',
    'roksahidden'
];

var tylkoWybraneMiasta = [
];

var cssUkryj = '.roksahidden { display: none; } ';
var cssWyszarz =
    '.roksahidden .favourites_box_content p, .roksahidden .favourites_box_date, .roksahidden .favourites_box_date h4 , .roksahidden .favourites_box_date > span { color:#999; } ' +
    '.roksahidden img { opacity:0.2; filter:alpha(opacity=20); }' +
    '.roksahidden .favourites_box_content h5, .roksahidden .favourites_box_date .favourites_prices span { opacity:0.2; filter:alpha(opacity=20); }';

var doDebug = false;

//-----------------------------------------------------------

function createElem(tag, attr, text) {
    var el = document.createElement(tag);
    if (typeof text != 'undefined')
        el.textContent = text;
    for (k in attr)
        el.setAttribute(k, attr[k]);
    return el;
}

function getCssMode()
{
    var mode = parseInt(localStorage.getItem('roksahiddencss_mode'));
    if (mode == null) {
        mode = 1;
    }
    return mode;
}

function setCssUi(ev)
{
    event = event || ev;
    setCss(event.target.value);
}

function setCss(mode)
{
    if (typeof mode == 'undefined'){
        mode = getCssMode();
    }
    mode = parseInt(mode);
    if (doDebug) console.log('Set CSS: ' + mode);
    var elem = document.getElementById('roksahiddencss');
    if (elem == null){
        var head = document.getElementsByTagName('head')[0];
        elem = createElem('style', { 'type':'text/css', 'id':'roksahiddencss' } );
        head.appendChild(elem);
    }
    var cssContent = '';
    switch(mode){
        case 0:
            cssContent = cssUkryj;
            break;
        case 1:
            cssContent = cssWyszarz;
            break;
    }
    elem.textContent = cssContent;
    if (getCssMode() != mode){
        localStorage.setItem('roksahiddencss_mode',mode);
        if (doDebug) console.log('Save CSS: ' + mode);
    }
}

function createSwitcher()
{
    var elem = document.getElementById('roksahiddenswitcher');
    if (elem == null){
        var head = document.getElementById('favourites_content_header');
        if (head == null){
            return;
        }
        elem = createElem('select', {'id':'roksahiddenswitcher', 'style':'margin-left: 0.7em'});
        elem.addEventListener('change', setCssUi);
        var mode = getCssMode();
        var opts = ['Ukryj niechciane', 'Wyszarz niechciane', 'Pokaż wszystkie'];
        for (var i=0; i<opts.length; i++){
            var item = createElem('option', {'value':i}, opts[i]);
            if (i === mode)
                item.setAttribute('selected', 'selected');
            elem.appendChild(item);
        }
        head.appendChild(elem);
    }
}

function doIt(){
    if (!String.prototype.trim) {
        String.prototype.trim = function () {
            return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
        };
    }
    setCss();
    createSwitcher();
    var xp = document.evaluate("//div[@id='user_content']/div", document, null,
        XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
    if (doDebug) console.log('roksafilter, start: ' + xp.snapshotLength);

    for (var k=0; k<tylkoWybraneMiasta.length; k++)
        tylkoWybraneMiasta[k] = tylkoWybraneMiasta[k].toLowerCase();
    for (var k=0; k<frazyDoUkrycia.length; k++)
        frazyDoUkrycia[k] = frazyDoUkrycia[k].toLowerCase();

    for (var i=0; i<xp.snapshotLength; i++){
        var elem = xp.snapshotItem(i);
        if (doDebug) console.log('przetwarzam ' + elem.getAttribute('id') + ' ' +
            document.evaluate(".//div[@class='favourites_box_date']/a/h4", elem, null,
                XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue.textContent);
        var doHide = false;
        if (tylkoWybraneMiasta.length > 0){
            doHide = true;
            var xp2 = document.evaluate(".//div[@class='favourites_box_date']", elem, null,
                XPathResult.FIRST_ORDERED_NODE_TYPE, null);
            if (xp2.singleNodeValue != null){
                var elem2 = xp2.singleNodeValue;
                var txt = '';
                for (var l = 0; l < elem2.childNodes.length; ++l)
                    if (elem2.childNodes[l].nodeType === Node.TEXT_NODE)
                        txt += elem2.childNodes[l].textContent + ' ';
                txt = txt.trim().toLowerCase();
                if (doDebug) console.log('miasto: ' + txt);
                for (var k=0; k<tylkoWybraneMiasta.length; k++){
                    if (txt.indexOf(tylkoWybraneMiasta[k]) > -1){
                        doHide = false;
                        break;
                    }
                }
            }
        }
        if (doHide == false && frazyDoUkrycia.length > 0){
            var xp2 = document.evaluate(".//div[@class='favourites_box_content']/p", elem, null,
                XPathResult.FIRST_ORDERED_NODE_TYPE, null);
            if (xp2.singleNodeValue != null){
                var elem2 = xp2.singleNodeValue;
                var txt = elem2.textContent.trim().toLowerCase();
                if (doDebug) console.log('opis: ' + txt);
                for (var k=0; k<frazyDoUkrycia.length; k++){
                    if (txt.indexOf(frazyDoUkrycia[k]) > -1){
                        doHide = true;
                        break;
                    }
                }
            }
        }
        if (doDebug) console.log(elem.getAttribute('id') + ' --> ' + doHide);
        if (doHide){
            elem.setAttribute('class', elem.getAttribute('class') + ' roksahidden');
        } else {
            //elem.setAttribute('class', elem.getAttribute('class').replace('roksahidden', ''));
        }
    }
}
doIt();
})();