|
- /*
- ### jQuery Multiple File Selection Plugin v2.2.2 - 2016-06-16 ###
- * Home: http://www.fyneworks.com/jquery/multifile/
- * Code: https://github.com/fyneworks/multifile
- *
- * Licensed under http://en.wikipedia.org/wiki/MIT_License
- */
- /*# AVOID COLLISIONS #*/
- ;
- if (window.jQuery)(function ($) {
- "use strict";
- /*# AVOID COLLISIONS #*/
-
- // size label function (shows kb and mb where accordingly)
- function sl(x) {
- return x > 1048576 ? (x / 1048576).toFixed(1) + 'Mb' : (x==1024?'1Mb': (x / 1024).toFixed(1) + 'Kb' )
- };
- // utility function to return an array of
- function FILE_LIST(x){
- return ((x.files&&x.files.length) ? x.files : null) || [{
- name: x.value,
- size: 0,
- type: ((x.value || '').match(/[^\.]+$/i) || [''])[0]
- }];
- };
-
- // plugin initialization
- $.fn.MultiFile = function (options) {
- if (this.length == 0) return this; // quick fail
-
- // Handle API methods
- if (typeof arguments[0] == 'string') {
- // Perform API methods on individual elements
- if (this.length > 1) {
- var args = arguments;
- return this.each(function () {
- $.fn.MultiFile.apply($(this), args);
- });
- };
- // Invoke API method handler (and return whatever it wants to return)
- return $.fn.MultiFile[arguments[0]].apply(this, $.makeArray(arguments).slice(1) || []);
- };
-
- // Accept number
- if (typeof options == 'number') {
- options = {max: options};
- };
-
- // Initialize options for this call
- var options = $.extend({} /* new object */ ,
- $.fn.MultiFile.options /* default options */ ,
- options || {} /* just-in-time options */
- );
-
- // Empty Element Fix!!!
- // this code will automatically intercept native form submissions
- // and disable empty file elements
- $('form')
- .not('MultiFile-intercepted')
- .addClass('MultiFile-intercepted')
- .submit($.fn.MultiFile.disableEmpty);
-
- //### http://plugins.jquery.com/node/1363
- // utility method to integrate this plugin with others...
- if ($.fn.MultiFile.options.autoIntercept) {
- $.fn.MultiFile.intercept($.fn.MultiFile.options.autoIntercept /* array of methods to intercept */ );
- $.fn.MultiFile.options.autoIntercept = null; /* only run this once */
- };
-
- // loop through each matched element
- this
- .not('.MultiFile-applied')
- .addClass('MultiFile-applied')
- .each(function () {
- //#####################################################################
- // MAIN PLUGIN FUNCTIONALITY - START
- //#####################################################################
-
- // BUG 1251 FIX: http://plugins.jquery.com/project/comments/add/1251
- // variable group_count would repeat itself on multiple calls to the plugin.
- // this would cause a conflict with multiple elements
- // changes scope of variable to global so id will be unique over n calls
- window.MultiFile = (window.MultiFile || 0) + 1;
- var group_count = window.MultiFile;
-
- // Copy parent attributes - Thanks to Jonas Wagner
- // we will use this one to create new input elements
- var MultiFile = {
- e: this,
- E: $(this),
- clone: $(this).clone()
- };
-
- //===
-
- //# USE CONFIGURATION
- var o = $.extend({},
- $.fn.MultiFile.options,
- options || {}, ($.metadata ? MultiFile.E.metadata() : ($.meta ? MultiFile.E.data() : null)) || {}, /* metadata options */ {} /* internals */
- );
- // limit number of files that can be selected?
- if (!(o.max > 0) /*IsNull(MultiFile.max)*/ ) {
- o.max = MultiFile.E.attr('maxlength');
- };
- if (!(o.max > 0) /*IsNull(MultiFile.max)*/ ) {
- o.max = (String(MultiFile.e.className.match(/\b(max|limit)\-([0-9]+)\b/gi) || ['']).match(/[0-9]+/gi) || [''])[0];
- if (!(o.max > 0)) o.max = -1;
- else o.max = String(o.max).match(/[0-9]+/gi)[0];
- };
- o.max = new Number(o.max);
- // limit extensions?
- o.accept = o.accept || MultiFile.E.attr('accept') || '';
- if (!o.accept) {
- o.accept = (MultiFile.e.className.match(/\b(accept\-[\w\|]+)\b/gi)) || '';
- o.accept = new String(o.accept).replace(/^(accept|ext)\-/i, '');
- };
- // limit total pay load size
- o.maxsize = o.maxsize>0?o.maxsize:null || MultiFile.E.data('maxsize') || 0;
- if (!(o.maxsize > 0) /*IsNull(MultiFile.maxsize)*/ ) {
- o.maxsize = (String(MultiFile.e.className.match(/\b(maxsize|maxload|size)\-([0-9]+)\b/gi) || ['']).match(/[0-9]+/gi) || [''])[0];
- if (!(o.maxsize > 0)) o.maxsize = -1;
- else o.maxsize = String(o.maxsize).match(/[0-9]+/gi)[0];
- };
- // limit individual file size
- o.maxfile = o.maxfile>0?o.maxfile:null || MultiFile.E.data('maxfile') || 0;
- if (!(o.maxfile > 0) /*IsNull(MultiFile.maxfile)*/ ) {
- o.maxfile = (String(MultiFile.e.className.match(/\b(maxfile|filemax)\-([0-9]+)\b/gi) || ['']).match(/[0-9]+/gi) || [''])[0];
- if (!(o.maxfile > 0)) o.maxfile = -1;
- else o.maxfile = String(o.maxfile).match(/[0-9]+/gi)[0];
- };
-
- //===
-
- // size options are accepted in kylobytes, so multiple them by 1024
- if(o.maxfile>1) o.maxfile = o.maxfile * 1024;
- if(o.maxsize>1) o.maxsize = o.maxsize * 1024;
-
- //===
-
- // HTML5: enforce multiple selection to be enabled, except when explicitly disabled
- if (o.multiple !== false) {
- if (o.max > 1) MultiFile.E.attr('multiple', 'multiple').prop('multiple', true);
- }
-
- //===
-
- // APPLY CONFIGURATION
- $.extend(MultiFile, o || {});
- MultiFile.STRING = $.extend({}, $.fn.MultiFile.options.STRING, MultiFile.STRING);
-
- //===
-
- //#########################################
- // PRIVATE PROPERTIES/METHODS
- $.extend(MultiFile, {
- n: 0, // How many elements are currently selected?
- slaves: [],
- files: [],
- instanceKey: MultiFile.e.id || 'MultiFile' + String(group_count), // Instance Key?
- generateID: function (z) {
- return MultiFile.instanceKey + (z > 0 ? '_F' + String(z) : '');
- },
- trigger: function (event, element, MultiFile, files) {
- var rv, handler = MultiFile[event] || MultiFile['on'+event] ;
- if (handler){
- files = files || MultiFile.files || FILE_LIST(this);
- ;
- $.each(files,function(i, file){
- // execute function in element's context, so 'this' variable is current element
- rv = handler.apply(MultiFile.wrapper, [element, file.name, MultiFile, file]);
- });
- return rv;
- };
- }
- });
-
- //===
-
- // Setup dynamic regular expression for extension validation
- // - thanks to John-Paul Bader: http://smyck.de/2006/08/11/javascript-dynamic-regular-expresions/
- if (String(MultiFile.accept).length > 1) {
- MultiFile.accept = MultiFile.accept.replace(/\W+/g, '|').replace(/^\W|\W$/g, '');
- MultiFile.rxAccept = new RegExp('\\.(' + (MultiFile.accept ? MultiFile.accept : '') + ')$', 'gi');
- };
-
- //===
-
- // Create wrapper to hold our file list
- MultiFile.wrapID = MultiFile.instanceKey;// + '_wrap'; // Wrapper ID?
- MultiFile.E.wrap('<div class="MultiFile-wrap" id="' + MultiFile.wrapID + '"></div>');
- MultiFile.wrapper = $('#' + MultiFile.wrapID + '');
-
- //===
-
- // MultiFile MUST have a name - default: file1[], file2[], file3[]
- MultiFile.e.name = MultiFile.e.name || 'file' + group_count + '[]';
-
- //===
-
- if (!MultiFile.list) {
- // Create a wrapper for the list
- // * OPERA BUG: NO_MODIFICATION_ALLOWED_ERR ('list' is a read-only property)
- // this change allows us to keep the files in the order they were selected
- MultiFile.wrapper.append('<div class="MultiFile-list" id="' + MultiFile.wrapID + '_list"></div>');
- MultiFile.list = $('#' + MultiFile.wrapID + '_list');
- };
- MultiFile.list = $(MultiFile.list);
-
- //===
-
- // Bind a new element
- MultiFile.addSlave = function (slave, slave_count) {
- //if(window.console) console.log('MultiFile.addSlave',slave_count);
-
- // Keep track of how many elements have been displayed
- MultiFile.n++;
- // Add reference to master element
- slave.MultiFile = MultiFile;
-
- // BUG FIX: http://plugins.jquery.com/node/1495
- // Clear identifying properties from clones
- slave.id = slave.name = '';
-
- // Define element's ID and name (upload components need this!)
- //slave.id = slave.id || MultiFile.generateID(slave_count);
- slave.id = MultiFile.generateID(slave_count);
- //FIX for: http://code.google.com/p/jquery-multifile-plugin/issues/detail?id=23
- //CHANGE v2.2.1 - change ID of all file elements, keep original ID in wrapper
-
- // 2008-Apr-29: New customizable naming convention (see url below)
- // http://groups.google.com/group/jquery-dev/browse_frm/thread/765c73e41b34f924#
- slave.name = String(MultiFile.namePattern
- /*master name*/
- .replace(/\$name/gi, $(MultiFile.clone).attr('name'))
- /*master id */
- .replace(/\$id/gi, $(MultiFile.clone).attr('id'))
- /*group count*/
- .replace(/\$g/gi, group_count) //(group_count>0?group_count:''))
- /*slave count*/
- .replace(/\$i/gi, slave_count) //(slave_count>0?slave_count:''))
- );
-
- // If we've reached maximum number, disable input slave
- var disable_slave;
- if ((MultiFile.max > 0) && ((MultiFile.files.length) > (MultiFile.max))) {
- slave.disabled = true;
- disable_slave = true;
- };
-
- // Remember most recent slave
- MultiFile.current = slave;
-
- // We'll use jQuery from now on
- slave = $(slave);
-
- // Clear value
- slave.val('').attr('value', '')[0].value = '';
-
- // Stop plugin initializing on slaves
- slave.addClass('MultiFile-applied');
-
- // Triggered when a file is selected
- slave.change(function (a, b, c) {
- //if(window.console) console.log('MultiFile.slave.change',slave_count);
- //if(window.console) console.log('MultiFile.slave.change',this.files);
-
- // Lose focus to stop IE7 firing onchange again
- $(this).blur();
-
- //# NEW 2014-04-14 - accept multiple file selection, HTML5
- var e = this,
- prevs = MultiFile.files || [],
- files = this.files || [{
- name: this.value,
- size: 0,
- type: ((this.value || '').match(/[^\.]+$/i) || [''])[0]
- }],
- newfs = [],
- newfs_size = 0,
- total_size = MultiFile.total_size || 0/*,
- html5_multi_mode = this.files && $(this).attr('multiple')*/
- ;
-
- // recap
- //console.log('START '+ prevs.length + ' files @ '+ sl(total_size) +'.', prevs);
-
- //# Retrive value of selected file from element
- var ERROR = []; //, v = String(this.value || '');
-
- // make a normal array
- $.each(files, function (i, file) {
- newfs[newfs.length] = file;
- });
-
- //# Trigger Event! onFileSelect
- MultiFile.trigger('FileSelect', this, MultiFile, newfs);
- //# End Event!
-
- // validate individual files
- $.each(files, function (i, file) {
-
- // pop local variables out of array/file object
- var v = file.name.replace(/^C:\\fakepath\\/gi,''),
- s = file.size,
- p = function(z){
- return z
- .replace('$ext', String(v.match(/[^\.]+$/i) || ''))
- .replace('$file', v.match(/[^\/\\]+$/gi))
- .replace('$size', sl(s) + ' > ' + sl(MultiFile.maxfile))
- }
- ;
-
- // check extension
- if (MultiFile.accept && v && !v.match(MultiFile.rxAccept)) {
- ERROR[ERROR.length] = p(MultiFile.STRING.denied);
- MultiFile.trigger('FileInvalid', this, MultiFile, [file]);
- };
-
- // Disallow duplicates
- $(MultiFile.wrapper).find('input[type=file]').not(e).each(function(){
- // go through each file in each slave
- $.each(FILE_LIST(this), function (i, file) {
- if(file.name){
- //console.log('MultiFile.debug> Duplicate?', file.name, v);
- var x = (file.name || '').replace(/^C:\\fakepath\\/gi,'');
- if ( v == x || v == x.substr(x.length - v.length)) {
- ERROR[ERROR.length] = p(MultiFile.STRING.duplicate);
- MultiFile.trigger('FileDuplicate', e, MultiFile, [file]);
- };
- };
- });
- });
-
- // limit the max size of individual files selected
- if (MultiFile.maxfile>0 && s>0 && s>MultiFile.maxfile) {
- ERROR[ERROR.length] = p(MultiFile.STRING.toobig);
- MultiFile.trigger('FileTooBig', this, MultiFile, [file]);
- };
-
- // check extension
- var customError = MultiFile.trigger('FileValidate', this, MultiFile, [file]);
- if(customError && customError!=''){
- ERROR[ERROR.length] = p(customError);
- };
-
- // add up size of files selected
- newfs_size += file.size;
-
- });
-
- // add up total for all files selected (existing and new)
- total_size += newfs_size;
-
- // put some useful information in the file array
- newfs.size = newfs_size;
- newfs.total = total_size;
- newfs.total_length = newfs.length + prevs.length;
-
- // limit the number of files selected
- if (MultiFile.max>0 && prevs.length + files.length > MultiFile.max) {
- ERROR[ERROR.length] = MultiFile.STRING.toomany.replace('$max', MultiFile.max);
- MultiFile.trigger('FileTooMany', this, MultiFile, newfs);
- };
-
- // limit the max size of files selected
- if (MultiFile.maxsize > 0 && total_size > MultiFile.maxsize) {
- ERROR[ERROR.length] = MultiFile.STRING.toomuch.replace('$size', sl(total_size) + ' > ' + sl(MultiFile.maxsize));
- MultiFile.trigger('FileTooMuch', this, MultiFile, newfs);
- };
-
- // Create a new file input element
- var newEle = $(MultiFile.clone).clone(); // Copy parent attributes - Thanks to Jonas Wagner
- //# Let's remember which input we've generated so
- // we can disable the empty ones before submission
- // See: http://plugins.jquery.com/node/1495
- newEle.addClass('MultiFile');
-
- // Handle error
- if (ERROR.length > 0) {
-
- // Handle error
- MultiFile.error(ERROR.join('\n\n'));
-
- // 2007-06-24: BUG FIX - Thanks to Adrian Wróbel <adrian [dot] wrobel [at] gmail.com>
- // Ditch the trouble maker and add a fresh new element
- MultiFile.n--;
- MultiFile.addSlave(newEle[0], slave_count);
- slave.parent().prepend(newEle);
- slave.remove();
- return false;
-
- }
- else { // if no errors have been found
-
- // remember total size
- MultiFile.total_size = total_size;
-
- // merge arrays
- files = prevs.concat(newfs);
-
- // put some useful information in the file array
- files.size = total_size;
- files.size_label = sl(total_size);
-
- // recap
- //console.log('NOW '+ files.length + ' files @ '+ sl(total_size) +'.', files);
-
- // remember files
- MultiFile.files = files;
-
- // Hide this element (NB: display:none is evil!)
- $(this).css({
- position: 'absolute',
- top: '-3000px'
- });
-
- // Add new element to the form
- slave.after(newEle);
-
- // Bind functionality
- MultiFile.addSlave(newEle[0], slave_count + 1);
-
- // Update list
- MultiFile.addToList(this, slave_count, newfs);
-
- //# Trigger Event! afterFileSelect
- MultiFile.trigger('afterFileSelect', this, MultiFile, newfs);
- //# End Event!
-
- }; // no errors detected
-
- }); // slave.change()
-
- // point to wrapper
- $(slave).data('MultiFile-wrap', MultiFile.wrapper);
-
- // store contorl's settings and file info in wrapper
- $(MultiFile.wrapper).data('MultiFile',MultiFile);
-
- // disable?
- if(disable_slave) $(slave).attr('disabled','disabled').prop('disabled',true);
-
- }; // MultiFile.addSlave
- // Bind a new element
-
-
- // Add a new file to the list
- MultiFile.addToList = function (slave, slave_count, files) {
- //if(window.console) console.log('MultiFile.addToList',slave_count);
-
- //# Trigger Event! onFileAppend
- MultiFile.trigger('FileAppend', slave, MultiFile, files);
- //# End Event!
-
- var names = $('<span/>');
- $.each(files, function (i, file) {
- var v = String(file.name || '' ).replace(/[&<>'"]/g, function(c) { return '&#'+c.charCodeAt()+';'; }),
- S = MultiFile.STRING,
- n = S.label || S.file || S.name,
- t = S.title || S.tooltip || S.selected,
- p = file.type.substr(0,6) == 'image/' ? '<img class="MultiFile-preview" style="'+ MultiFile.previewCss+'"/>' : '',
- label = $(
- (
- '<span class="MultiFile-label" title="' + t + '">'+
- '<span class="MultiFile-title">'+ n +'</span>'+
- (MultiFile.preview || $(slave).is('.with-preview') ? p : '' )+
- '</span>'
- )
- .replace(/\$(file|name)/gi, (v.match(/[^\/\\]+$/gi)||[v])[0])
- .replace(/\$(ext|extension|type)/gi, (v.match(/[^\.]+$/gi)||[''])[0])
- .replace(/\$(size)/gi, sl(file.size || 0))
- .replace(/\$(preview)/gi, p)
- .replace(/\$(i)/gi, i)
- );
-
- // now supports preview via locale string.
- // just add an <img class='MultiFile-preview'/> anywhere within the "file" string
- label.find('img.MultiFile-preview').each(function(){
- var t = this;
- var oFReader = new FileReader();
- oFReader.readAsDataURL(file);
- oFReader.onload = function (oFREvent) {
- t.src = oFREvent.target.result;
- };
- });
-
- // append file label to list
- if(i>0) names.append(', ');
- names.append(label);
-
- var v = String(file.name || '' );
- names[names.length] =
- (
- '<span class="MultiFile-title" title="' + MultiFile.STRING.selected + '">'
- + MultiFile.STRING.file +
- '</span>'
- )
- .replace(/\$(file|name)/gi, (v.match(/[^\/\\]+$/gi)||[v])[0])
- .replace(/\$(ext|extension|type)/gi, (v.match(/[^\.]+$/gi)||[''])[0])
- .replace(/\$(size)/gi, sl(file.size || 0))
- .replace(/\$(i)/gi, i)
- ;
- });
-
- //$.each(files, function (i, file) {
- // Create label elements
- var
- r = $('<div class="MultiFile-label"></div>'),
- b = $('<a class="MultiFile-remove" href="#' + MultiFile.wrapID + '">' + MultiFile.STRING.remove + '</a>')
-
- // ********
- // TODO:
- // refactor this as a single event listener on the control's
- // wrapper for better performance and cleaner code
- // ********
- .click(function () {
-
- // get list of files being removed
- var files_being_removed = FILE_LIST(slave);
-
- //# Trigger Event! onFileRemove
- MultiFile.trigger('FileRemove', slave, MultiFile, files_being_removed);
- //# End Event!
-
- MultiFile.n--;
- MultiFile.current.disabled = false;
-
- // remove the relevant <input type="file"/> element
- $(slave).remove();
-
- // remove the relevant label
- $(this).parent().remove();
-
- // Show most current element again (move into view) and clear selection
- $(MultiFile.current).css({
- position: '',
- top: ''
- });
- $(MultiFile.current).reset().val('').attr('value', '')[0].value = '';
-
- // point to currently visible element (always true, not necessary)
- //MultiFile.current = MultiFile.wrapper.find('[type=file]:visible');
-
- // rebuild array with the files that are left.
- var files_remaining = [], remain_size = 0;
- // go through each slave
- $(MultiFile.wrapper).find('input[type=file]').each(function(){
- // go through each file in each slave
- $.each(FILE_LIST(this), function (i, file) {
- if(file.name){
- //console.log('MultiFile.debug> FileRemove> remaining file', file.size, file);
- // fresh file array
- files_remaining[files_remaining.length] = file;
- // fresh size count
- remain_size += file.size;
- };
- });
- });
-
- // update MultiFile object
- MultiFile.files = files_remaining;
- MultiFile.total_size = remain_size;
- MultiFile.size_label = sl(remain_size);
-
- // update current control's reference to MultiFile object
- $(MultiFile.wrapper).data('MultiFile', MultiFile);
-
- //# Trigger Event! afterFileRemove
- MultiFile.trigger('afterFileRemove', slave, MultiFile, files_being_removed);
- //# End Event!
-
- //# Trigger Event! onFileChange
- MultiFile.trigger('FileChange', MultiFile.current, MultiFile, files_remaining);
- //# End Event!
-
- return false;
- });
-
- // Insert label
- MultiFile.list.append(
- r.append(b, ' ', names)
- );
-
- //}); // each file?
-
- //# Trigger Event! afterFileAppend
- MultiFile.trigger('afterFileAppend', slave, MultiFile, files);
- //# End Event!
-
- //# Trigger Event! onFileChange
- MultiFile.trigger('FileChange', slave, MultiFile, MultiFile.files);
- //# End Event!
-
- }; // MultiFile.addToList
- // Add element to selected files list
-
-
- // Bind functionality to the first element
- if (!MultiFile.MultiFile) MultiFile.addSlave(MultiFile.e, 0);
-
- // Increment control count
- //MultiFile.I++; // using window.MultiFile
- MultiFile.n++;
-
- // deprecated: contorl's data now stored in wrapper because it is never removed.
- // improved performance and lower memory comsumption
- // Save control to element
- //MultiFile.E.data('MultiFile', MultiFile);
-
-
- //#####################################################################
- // MAIN PLUGIN FUNCTIONALITY - END
- //#####################################################################
- }); // each element
- };
-
- /*--------------------------------------------------------*/
-
- /*
- ### Core functionality and API ###
- */
- $.extend($.fn.MultiFile, {
-
-
- /**
- * This method exposes the all the control's data
- *
- * Returns an object with various settings and properties of the selected files
- * for this particular instance of the control. stored in the control's wrapper
- *
- * @name data
- * @type Object
- * @cat Plugins/MultiFile
- * @author Diego A. (http://www.fyneworks.com/)
- *
- * @example $('#selector').MultiFile('data');
- */
- data: function () {
-
- // analyse this element
- var e = $(this), b = e.is('.MultiFile-wrap');
-
- // get control wrapper
- var wp = b ? e : e.data('MultiFile-wrap');
- if(!wp || !wp.length)
- return !console.error('Could not find MultiFile control wrapper');
-
- // get control data from wrapper
- var mf = wp.data('MultiFile');
- if(!mf)
- return !console.error('Could not find MultiFile data in wrapper');
-
- // return data
- return mf || {};
- },
-
-
- /**
- * This method removes all selected files
- *
- * Returns a jQuery collection of all affected elements.
- *
- * @name reset
- * @type jQuery
- * @cat Plugins/MultiFile
- * @author Diego A. (http://www.fyneworks.com/)
- *
- * @example $.fn.MultiFile.reset();
- */
- reset: function () {
- var mf = this.MultiFile('data');
- if (mf) $(mf.list).find('a.MultiFile-remove').click();
- return $(this);
- },
-
-
- /**
- * This method exposes the array of selected files
- *
- * Returns an array of file objects
- *
- * @name files
- * @type Array
- * @cat Plugins/MultiFile
- * @author Diego A. (http://www.fyneworks.com/)
- *
- * @example $('#selector').MultiFile('files');
- */
- files: function () {
- var mf = this.MultiFile('data');
- if(!mf) return !console.log('MultiFile plugin not initialized');
- return mf.files || [];
- },
-
-
- /**
- * This method exposes the plugin's sum of the sizes of all files selected
- *
- * Returns size (in bytes) of files selected
- *
- * @name size
- * @type Number
- * @cat Plugins/MultiFile
- * @author Diego A. (http://www.fyneworks.com/)
- *
- * @example $('#selector').MultiFile('size');
- */
- size: function () {
- var mf = this.MultiFile('data');
- if(!mf) return !console.log('MultiFile plugin not initialized');
- return mf.total_size || 0;
- },
-
-
- /**
- * This method exposes the plugin's tally of how many files have been selected
- *
- * Returns number (a count) of files selected
- *
- * @name count
- * @type Number
- * @cat Plugins/MultiFile
- * @author Diego A. (http://www.fyneworks.com/)
- *
- * @example $('#selector').MultiFile('size');
- */
- count: function () {
- var mf = this.MultiFile('data');
- if(!mf) return !console.log('MultiFile plugin not initialized');
- return mf.files ? mf.files.length || 0 : 0;
- },
-
-
- /**
- * This utility makes it easy to disable all 'empty' file elements in the document before submitting a form.
- * It marks the affected elements so they can be easily re-enabled after the form submission or validation.
- *
- * Returns a jQuery collection of all affected elements.
- *
- * @name disableEmpty
- * @type jQuery
- * @cat Plugins/MultiFile
- * @author Diego A. (http://www.fyneworks.com/)
- *
- * @example $.fn.MultiFile.disableEmpty();
- * @param String class (optional) A string specifying a class to be applied to all affected elements - Default: 'mfD'.
- */
- disableEmpty: function (klass) {
- klass = (typeof (klass) == 'string' ? klass : '') || 'mfD';
- var o = [];
- $('input:file.MultiFile').each(function () {
- if ($(this).val() == '') o[o.length] = this;
- });
-
- // automatically re-enable for novice users
- window.clearTimeout($.fn.MultiFile.reEnableTimeout);
- $.fn.MultiFile.reEnableTimeout = window.setTimeout($.fn.MultiFile.reEnableEmpty, 500);
-
- return $(o).each(function () {
- this.disabled = true
- }).addClass(klass);
- },
-
-
- /**
- * This method re-enables 'empty' file elements that were disabled (and marked) with the $.fn.MultiFile.disableEmpty method.
- *
- * Returns a jQuery collection of all affected elements.
- *
- * @name reEnableEmpty
- * @type jQuery
- * @cat Plugins/MultiFile
- * @author Diego A. (http://www.fyneworks.com/)
- *
- * @example $.fn.MultiFile.reEnableEmpty();
- * @param String klass (optional) A string specifying the class that was used to mark affected elements - Default: 'mfD'.
- */
- reEnableEmpty: function (klass) {
- klass = (typeof (klass) == 'string' ? klass : '') || 'mfD';
- return $('input:file.' + klass).removeClass(klass).each(function () {
- this.disabled = false
- });
- },
-
-
- /**
- * This method will intercept other jQuery plugins and disable empty file input elements prior to form submission
- *
-
- * @name intercept
- * @cat Plugins/MultiFile
- * @author Diego A. (http://www.fyneworks.com/)
- *
- * @example $.fn.MultiFile.intercept();
- * @param Array methods (optional) Array of method names to be intercepted
- */
- intercepted: {},
- intercept: function (methods, context, args) {
- var method, value;
- args = args || [];
- if (args.constructor.toString().indexOf("Array") < 0) args = [args];
- if (typeof (methods) == 'function') {
- $.fn.MultiFile.disableEmpty();
- value = methods.apply(context || window, args);
- //SEE-http://code.google.com/p/jquery-multifile-plugin/issues/detail?id=27
- setTimeout(function () {
- $.fn.MultiFile.reEnableEmpty()
- }, 1000);
- return value;
- };
- if (methods.constructor.toString().indexOf("Array") < 0) methods = [methods];
- for (var i = 0; i < methods.length; i++) {
- method = methods[i] + ''; // make sure that we have a STRING
- if (method)(function (method) { // make sure that method is ISOLATED for the interception
- $.fn.MultiFile.intercepted[method] = $.fn[method] || function () {};
- $.fn[method] = function () {
- $.fn.MultiFile.disableEmpty();
- value = $.fn.MultiFile.intercepted[method].apply(this, arguments);
- //SEE http://code.google.com/p/jquery-multifile-plugin/issues/detail?id=27
- setTimeout(function () {
- $.fn.MultiFile.reEnableEmpty()
- }, 1000);
- return value;
- }; // interception
- })(method); // MAKE SURE THAT method IS ISOLATED for the interception
- }; // for each method
- } // $.fn.MultiFile.intercept
-
- });
-
- /*--------------------------------------------------------*/
-
- /*
- ### Default Settings ###
- eg.: You can override default control like this:
- $.fn.MultiFile.options.accept = 'gif|jpg';
- */
- $.fn.MultiFile.options = { //$.extend($.fn.MultiFile, { options: {
- accept: '', // accepted file extensions
- max: -1, // maximum number of selectable files
- maxfile: -1, // maximum size of a single file
- maxsize: -1, // maximum size of entire payload
-
- // name to use for newly created elements
- namePattern: '$name', // same name by default (which creates an array)
- /*master name*/ // use $name
- /*master id */ // use $id
- /*group count*/ // use $g
- /*slave count*/ // use $i
- /*other */ // use any combination of he above, eg.: $name_file$i
-
- // previews
- preview: false,
- previewCss: 'max-height:100px; max-width:100px;',
-
- // STRING: collection lets you show messages in different languages
- STRING: {
- remove: 'x',
- denied: 'You cannot select a $ext file.\nTry again...',
- file: '$file',
- selected: 'File selected: $file',
- duplicate: 'This file has already been selected:\n$file',
- toomuch: 'The files selected exceed the maximum size permited ($size)',
- toomany: 'Too many files selected (max: $max)',
- toobig: '$file is too big (max $size)'
- },
-
- // name of methods that should be automcatically intercepted so the plugin can disable
- // extra file elements that are empty before execution and automatically re-enable them afterwards
- autoIntercept: ['submit', 'ajaxSubmit', 'ajaxForm', 'validate', 'valid' /* array of methods to intercept */ ],
-
- // error handling function
- error: function (s) {
-
- if(typeof console != 'undefined') console.log(s);
-
- // TODO: add various dialog handlers here?
- alert(s);
- }
- }; //} });
-
- /*--------------------------------------------------------*/
-
- /*
- ### Additional Methods ###
- Required functionality outside the plugin's scope
- */
-
- // Native input reset method - because this alone doesn't always work: $(element).val('').attr('value', '')[0].value = '';
- $.fn.reset = $.fn.reset || function () {
- return this.each(function () {
- try {
- this.reset();
- } catch (e) {}
- });
- };
-
- /*--------------------------------------------------------*/
-
- /*
- ### Default implementation ###
- The plugin will attach itself to file inputs
- with the class 'multi' when the page loads
- */
- $(function () {
- //$("input:file.multi").MultiFile();
- $("input[type=file].multi").MultiFile();
- });
-
-
- /*# AVOID COLLISIONS #*/
- })(jQuery);
- /*# AVOID COLLISIONS #*/
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