/*
 * One Click Upload - jQuery Plugin
 * Copyright (c) 2008 Michael Mitchell - http://www.michaelmitchell.co.nz
 * Patched/fixed by Andrey Gayvoronsky - http://www.gayvoronsky.com
 */
(function($){
    $.fn.upload = function(options) {
        // Merge the users options with our defaults
        options = $.extend({
            name: 'application_upload',
            enctype: 'multipart/form-data',
            action: '',
            autoSubmit: true,
            onSubmit: function() {},
            onComplete: function() {},
            onSelect: function() {},
            params: {}
        }, options);

        return new $.ocupload(this, options);
    },

    $.ocupload = function(element, options) {
        // Fix scope problems
        var self = this;

        // A unique id so we can find our elements later
        var id = new Date().getTime().toString().substr(8);

        // Upload Iframe
        var iframe = $(
            '<iframe '+
                'id="iframe'+id+'" '+
                'name="iframe'+id+'"'+
                'src="#"'+
            '></iframe>'
        ).css({
            display: 'none'
        });

        // Form
        var form = $(
            '<form '+
                'method="post" '+
                'enctype="'+options.enctype+'" '+
                'action="'+options.action+'" '+
                'target="iframe'+id+'"'+
            '></form>'
        ).css({
            margin: 0,
            padding: 0
        });

        // File Input
        var input = $(
            '<input '+
                'name="'+options.name+'" '+
                'type="file" '+
            '/>'
        ).css({
            'width': 'auto',
            'position': 'absolute',
            'right': 0,
            'top': 0,
            'opacity': 0,
            'zoom': 1,
            'filter': 'alpha(opacity=0)',
            'border': 0,
            'font-size': '10em'
        });

        // Put everything together
        element.wrap('<div></div>'); //container

        element.wrap(form);
        element.wrap('<span></span>');

        // Find the container and make it nice and snug
        element.parent().css({
            'float': 'left',
            'white-space': 'nowrap',
            'position': 'relative',
            'z-index': 1,
            'left': 0,
            'top': 0,
            'overflow': 'hidden',
            'display': 'inline',
            'border': 0
        });

        element.after(input);
        element.parent().parent().after(iframe);
        form = input.parent().parent(); //FIX for correct submiting

        // Watch for file selection
        input.change(function() {
            // Do something when a file is selected.
            self.onSelect();

            // Submit the form automaticly after selecting the file
            if(self.autoSubmit) {
                self.submit();
            }
        });

        // Methods
        $.extend(this, {
            autoSubmit: options.autoSubmit,
            onSubmit: options.onSubmit,
            onComplete: options.onComplete,
            onSelect: options.onSelect,

            // get filename
            filename: function() {
                return input.attr('value');
            },

            // get/set params
            params: function(params) {
                var params = params ? params : false;

                if(params) {
                    options.params = $.extend(options.params, params);
                }
                else {
                    return options.params;
                }
            },

            // get/set name
            name: function(name) {
                var name = name ? name : false;

                if(name) {
                    input.attr('name', value);
                }
                else {
                    return input.attr('name');
                }
            },

            // get/set action
            action: function(action) {
                var action = action ? action : false;

                if(action) {
                    form.attr('action', action);
                }
                else {
                    return form.attr('action');
                }
            },

            // get/set enctype
            enctype: function(enctype) {
                var enctype = enctype ? enctype : false;

                if(enctype) {
                    form.attr('enctype', enctype);
                }
                else {
                    return form.attr('enctype');
                }
            },

            // set options
            set: function(obj, value) {
                var value = value ? value : false;

                function option(action, value) {
                    switch(action) {
                        default:
                            throw new Error('[jQuery.ocupload.set] \''+action+'\' is an invalid option.');
                            break;
                        case 'name':
                            self.name(value);
                            break;
                        case 'action':
                            self.action(value);
                            break;
                        case 'enctype':
                            self.enctype(value);
                            break;
                        case 'params':
                            self.params(value);
                            break;
                        case 'autoSubmit':
                            self.autoSubmit = value;
                            break;
                        case 'onSubmit':
                            self.onSubmit = value;
                            break;
                        case 'onComplete':
                            self.onComplete = value;
                            break;
                        case 'onSelect':
                            self.onSelect = value;
                            break;
                    }
                }

                if(value) {
                    option(obj, value);
                }
                else {
                    $.each(obj, function(key, value) {
                        option(key, value);
                    });
                }
            },

            // Submit the form
            submit: function() {
                // Do something before we upload
                this.onSubmit();
                // add additional paramters before sending
                $.each(options.params, function(key, value) {
                    form.append($(
                        '<input '+
                            'type="hidden" '+
                            'name="'+key+'" '+
                            'value="'+value+'" '+
                        '/>'
                    ));
                });

                // Submit the actual form.
                // In that way, because we don't want jquery events (it fires submit event for other parent form)
                form.get(0).submit();

                // Do something after we are finished uploading
                iframe.unbind().load(function() {
                    // Get a response from the server in plain text
                    var myFrame = document.getElementById(iframe.attr('name'));
                    var response = $(myFrame.contentWindow.document.body).text();
                    //var response = iframe.contents().find('body').html();
                    //alert(response);

                    // Do something on complete
                    self.onComplete(response); //done :D
                });
            }
        });
    }
})(jQuery);

if(typeof(myBar) != 'undefined') setTimeout("myBar.loaded('http://static.wsapps.net/j/engine/core/engine.rte.upload.js')", 500);