/**
 * jqUploader (http://www.pixeline.be/experiments/jqUploader/)
 * A jQuery plugin to replace html-based file upload input fields with richer flash-based upload progress bar UI.
 *
 * Version 1.0.2.2
 * September 2007
 *
 * Copyright (c) 2007 Alexandre Plennevaux (http://www.pixeline.be)
 * Dual licensed under the MIT and GPL licenses.
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.opensource.org/licenses/gpl-license.php
 *
 * using plugin "Flash" by Luke Lutman (http://jquery.lukelutman.com/plugins/flash)
 *
 * IMPORTANT:
 * The packed version of jQuery breaks ActiveX control
 * activation in Internet Explorer. Use JSMin to minifiy
 * jQuery (see: http://jquery.lukelutman.com/plugins/flash#activex).
 *
 **/
 jQuery.fn.jqUploader = function(options) {
    return this.each(function(index) {
        var $this = jQuery(this);
        // fetch label value if any, otherwise set a default one
        var $thisForm =  $this.parents("form");
        var $thisInput = $("input[@type='file']",$this);
        var $thisLabel = $("label",$this);
        var containerId = $this.attr("id") || 'jqUploader-'+index;
        var startMessage = ($thisLabel.text() =='') ? 'Wybierz plik' : $thisLabel.text();
        // get form action attribute value as upload script, appending to it a variable telling the script that this is an upload only functionality
        //var actionURL = $thisForm.attr("action");
        var actionURL = "upload.php";
        // adds a var setting jqUploader to 1, so you can use it for serverside processing
        var prepender = (actionURL.lastIndexOf("?") != -1) ? "&": "?";
        var maxFilename = $("input[@name='maxFilename']", $(this.form)).val();
        var maxfiledir = $("input[@name='maxfiledir']", $(this.form)).val();
        //actionURL = actionURL+prepender+'jqUploader=1&maxFilename='+maxFilename+'&maxfiledir=1';
        actionURL = actionURL+prepender+'jqUploader=1&maxFilename='+maxFilename+'&maxfiledir='+maxfiledir ;
        // check if max file size is set in html form
        var maxFileSize = $("input[@name='MAX_FILE_SIZE']", $(this.form)).val();
        var opts = jQuery.extend({
                width:400,
                height:85,
                version: 8, // version 8+ of flash player required to run jqUploader
                background: 'FFFFFF', // background color of flash file
                src:    'jquploader.swf',
                uploadScript:     actionURL,
                afterScript:      null, // if this is empty, jqUploader will replace the upload swf by a hidden input element
                varName:            $thisInput.attr("name"),  //this holds the variable name of the file input field in your html form
                allowedExt:          '*.jpg; *.jpeg; *.png; *.flv; *.wmv', // allowed extensions
                allowedExtDescr:  'Images (*.jpg; *.jpeg; *.png; *.flv; *.wmv)',
                params:           {menu:false},
                flashvars:        {},
                hideSubmit:       true,
                barColor:              '0000CC',
                maxFileSize:      maxFileSize,
                startMessage:     startMessage,
                errorSizeMessage: 'Plik jest za duzy',
                validFileMessage: 'Zalacz wybrany plik',
                progressMessage: 'Prosze czekac',
                endMessage:    'You\'re all done'
        }, options || {}
        );
        // disable form submit button
        if (opts.hideSubmit==true) {
            $("*[@type='submit']",this.form).hide();
        }
        // THIS WILL BE EXECUTED IN THE USECASE THAT THERE IS NO REDIRECTION TO BE DONE AFTER UPLOAD
        TerminateJQUploader = function(containerId,filename,varname){
            $this= $('#'+containerId).empty();
            $this.text('').append('<span style="color:#00CC00">Plik <strong>'+filename+'</strong> dodany poprawnie.</span><input name="'+varname+'" type="hidden" id="'+varname+'" value="'+filename+'"/>');
            var myForm = $this.parents("form");
            myForm.submit(function(){return true});
            $("*[@type='submit']",myForm).show();
        }
        var myParams = '';
        for (var p in opts.params){
                myParams += p+'='+opts.params[p]+',';
        }
        myParams = myParams.substring(0, myParams.length-1);
        // this function interfaces with the jquery flash plugin
        jQuery(this).flash(
        {
            src: opts.src,
            width: opts.width,
            height: opts.height,
            id:'movie_player-'+index,
            bgcolor:'#'+opts.background,
            flashvars: {
                containerId: containerId,
                uploadScript: opts.uploadScript,
                afterScript: opts.afterScript,
                allowedExt: opts.allowedExt,
                allowedExtDescr: opts.allowedExtDescr,
                varName :  opts.varName,
                barColor : opts.barColor,
                maxFileSize :opts.maxFileSize,
                startMessage : opts.startMessage,
                errorSizeMessage : opts.errorSizeMessage,
                validFileMessage : opts.validFileMessage,
                progressMessage : opts.progressMessage,
                endMessage: opts.endMessage
            },
            params: myParams
        },
        {
            version: opts.version,
            update: false
        },
            function(htmlOptions){
                var $el = $('<div id="'+containerId+'" class="flash-replaced"><div class="alt">'+this.innerHTML+'</div></div>');
                     $el.prepend($.fn.flash.transform(htmlOptions));
                     $('div.alt',$el).remove();
                     $(this).after($el).remove();
            }
        );
    });
};