anim_skew.js

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** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
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** This file is part of the Qt WebKit module of the Qt Toolkit.
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var app = new Function();

app.init = function() {
    app.elements = document.querySelectorAll('.items > div');
    app.navs = document.querySelectorAll('nav > div');

    // elements
    for ( var i = 0, ln = app.elements.length ; i < ln ; i++ ) {
        app.elements[i].className = 'row' + (i + 1);
        app.elements[i].addEventListener('click', app.remove);
    }

    // navigation
    for ( var i = 0, ln = app.navs.length ; i < ln ; i++ ) {
        app.navs[i].addEventListener('click', app.filter );
    }
};

app.filter = function(event) {
    var type = event.target.className;

    var hiddenCount = 0;

    if (! type ) {
        app.init();
        return false;
    }

    for ( var i = 0, ln = app.elements.length ; i < ln ; i++ ) {
        if ( app.elements[i].title == type ) {
            app.elements[i].className = 'row' + ((i + 1) - hiddenCount);