qt5base-lts/examples/webkit/webkit-guide/js/anim_skew.js

/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the Qt WebKit module of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
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** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
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**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
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**     products derived from this software without specific prior written
**     permission.
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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);
        }
        else {
            app.elements[i].className = 'hide';
            hiddenCount++;
        }
    }
};

app.remove = function() {
    event.currentTarget.className = 'hide';
    app.rearrange();
};

app.rearrange = function() {
    var hiddenCount = 0;
    for ( var i = 0, ln = app.elements.length ; i < ln ; i++ ) {
        if ( app.elements[i].className.match(/hide/) ) {
            hiddenCount++;
        }
    else {
            app.elements[i].className = 'row' + ((i + 1) - hiddenCount);
        }
    }
};

window.onload = function() { app.init() };