/*! LAB.js (LABjs :: Loading And Blocking JavaScript)

    v2.0.3 (c) Kyle Simpson

    MIT License

*/

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/* 

 *

  __  __      _            _       _              _                       

 |  \/  | ___| |_ __ _  __| | __ _| |_ __ _ _ __ | | __ _ _   _  ___ _ __ 

 | |\/| |/ _ \ __/ _` |/ _` |/ _` | __/ _` | '_ \| |/ _` | | | |/ _ \ '__|

 | |  | |  __/ || (_| | (_| | (_| | || (_| | |_) | | (_| | |_| |  __/ |   

 |_|  |_|\___|\__\__,_|\__,_|\__,_|\__\__,_| .__/|_|\__,_|\__, |\___|_|   

                                           |_|            |___/         

 *  Copyright 2010-2012 Institut de recherche et d'innovation 

 *	 

 *	contact@iri.centrepompidou.fr

 *	http://www.iri.centrepompidou.fr 

 *	 

 *	This software is a computer program whose purpose is to show and add annotations on a video .

 *	This software is governed by the CeCILL-C license under French law and

 *	abiding by the rules of distribution of free software. You can  use, 

 *	modify and/ or redistribute the software under the terms of the CeCILL-C

 *	license as circulated by CEA, CNRS and INRIA at the following URL

 *	"http://www.cecill.info". 

 *	

 *	The fact that you are presently reading this means that you have had

 *	knowledge of the CeCILL-C license and that you accept its terms.

*/

/* Initialization of the namespace */

if (typeof window.IriSP === "undefined") {

    window.IriSP = {

        VERSION: "0.3.2"

    };

}

if (typeof IriSP.jQuery === "undefined" && typeof window.jQuery !== "undefined") {

    var jvp = window.jQuery().jquery.split("."),

        jv = 100 * parseInt(jvp[0]) + parseInt(jvp[1]);

    if (jv > 170) {

        IriSP.jQuery = window.jQuery;

    }

}

if (typeof IriSP._ === "undefined" && typeof window._ !== "undefined" && parseFloat(window._.VERSION) >= 1.4) {

    IriSP._ = window._;

}

/* utils.js - various utils that don't belong anywhere else */

IriSP.jqEscape = function(_text) {

    return _text.replace(/(:|\.)/g,'\\$1');

};

IriSP.getLib = function(lib) {

    if (IriSP.libFiles.useCdn && typeof IriSP.libFiles.cdn[lib] == "string") {

        return IriSP.libFiles.cdn[lib];

    }

    if (typeof IriSP.libFiles.locations[lib] == "string") {

        return IriSP.libFiles.locations[lib];

    }

    if (typeof IriSP.libFiles.inDefaultDir[lib] == "string") {

        return IriSP.libFiles.defaultDir + '/' + IriSP.libFiles.inDefaultDir[lib];

    }

};

IriSP._cssCache = [];

IriSP.loadCss = function(_cssFile) {

    if (IriSP._(IriSP._cssCache).indexOf(_cssFile) === -1) {

        IriSP.jQuery("<link>", {

            rel : "stylesheet",

            type : "text/css",

            href : _cssFile

        }).appendTo('head');

        IriSP._cssCache.push(_cssFile);

    }

};

IriSP.textFieldHtml = function(_text, _regexp, _extend) {

    var list = [],

        positions = [],

        text = _text.replace(/(^\s+|\s+$)/g,'');

    function addToList(_rx, _startHtml, _endHtml) {

        while(true) {

            var result = _rx.exec(text);

            if (!result) {

                break;

            }

            var end = _rx.lastIndex,

                start = result.index;

            list.push({

                start: start,

                end: end,

                startHtml: (typeof _startHtml === "function" ? _startHtml(result) : _startHtml),

                endHtml: (typeof _endHtml === "function" ? _endHtml(result) : _endHtml)

            });

            positions.push(start);

            positions.push(end);

        }

    }

    if (_regexp) {

        addToList(_regexp, '<span class="Ldt-Highlight">', '</span>');

    }

    addToList(/(https?:\/\/)?[\w\d\-]+\.[\w\d\-]+\S+/gm, function(matches) {

        return '<a href="' + (matches[1] ? '' : 'http://') + matches[0] + '" target="_blank">';

    }, '</a>');

    addToList(/@([\d\w]{1,15})/gm, function(matches) {

        return '<a href="http://twitter.com/' + matches[1] + '" target="_blank">';

    }, '</a>');

    addToList(/\*[^*]+\*/gm, '<b>', '</b>');

    addToList(/[\n\r]+/gm, '', '<br />');

    IriSP._(_extend).each(function(x) {

        addToList.apply(null, x);

    });

    positions = IriSP._(positions)

        .chain()

        .uniq()

        .sortBy(function(p) { return parseInt(p); })

        .value();

    var res = "", lastIndex = 0;

    for (var i = 0; i < positions.length; i++) {

        var pos = positions[i];

        res += text.substring(lastIndex, pos);

        for (var j = list.length - 1; j >= 0; j--) {

            var item = list[j];

            if (item.start < pos && item.end >= pos) {

                res += item.endHtml;

            }

        }

        for (var j = 0; j < list.length; j++) {

            var item = list[j];

            if (item.start <= pos && item.end > pos) {

                res += item.startHtml;

            }

        }

        lastIndex = pos;

    }

    res += text.substring(lastIndex);

    return res;

};

IriSP.log = function() {

    if (typeof console !== "undefined" && typeof IriSP.logging !== "undefined" && IriSP.logging) {

        console.log.apply(console, arguments);

    }

};

IriSP.attachDndData = function(jqSel, data) {

	jqSel.attr("draggable", "true").on("dragstart", function(_event) {

		var d = (typeof data === "function" ? data.call(this) : data);

		try {

			IriSP._(d).each(function(v, k) {

					_event.originalEvent.dataTransfer.setData("text/x-iri-" + k, v);

				}

			});

		} catch(err) {

			_event.originalEvent.dataTransfer.setData("Text", JSON.stringify(d));

		}

	});

};

IriSP.FakeClass = function(properties) {

    var _this = this,

        noop = (function() {});

    IriSP._(properties).each(function(p) {

        _this[p] = noop;

    });

};