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Improve output: distinguish between failed assertions (failures) and unexpected exceptions (errors), and print a filtered stack trace for any exception.

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jeb228 2010-01-29 22:13:57 +00:00
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/*
### jQuery Multiple File Upload Plugin v1.28 - 2008-05-02 ###
By Diego A., http://www.fyneworks.com, diego@fyneworks.com
Project: http://jquery.com/plugins/project/MultiFile/
Website: http://www.fyneworks.com/jquery/multiple-file-upload/
Forums: http://www.nabble.com/jQuery-Multiple-File-Upload-f20931.html
*/
/*
CHANGE LOG:
12-April-2007: v1.1
Added events and file extension validation
See website for details.
06-June-2007: v1.2
Now works in Opera.
12-June-2007: v1.21
Preserves name of file input so all current server-side
functions don't need to be changed on new installations.
24-June-2007: v1.22
Now works perfectly in Opera, thanks to Adrian Wróbel <adrian [dot] wrobel [at] gmail.com>
10-Jan-2008: v1.24
Fixed bug in event trigger - sending incorrect parameters to event handlers
14-Jan-2008: v1.24
Fixed bug 1251: http://plugins.jquery.com/project/comments/add/1251
25-Jan-2008: v1.24
Implemented feature request: http://plugins.jquery.com/node/1363
The plugin now automatically intercepts ajaxSubmit function (form plugin)
and disbales empty file input elements for submission
08-Feb-2008: v1.25
Fixed bug: http://plugins.jquery.com/node/1495
The last change caused the plugin to disabled input files that shouldn't have been ignored
Now, every newly created input file (by this plugin) is marked by the MultiFile class.
11-Feb-2008: v1.25
Fixed bug: http://plugins.jquery.com/node/1495
Plugin would override element ID everytime.
11-Feb-2008: v1.26
Modified plugin structure. After selecting and removing a file, the plugin would
remove the original element from DOM. Now the plugin works back on its own tracks
and removes the last generated element.
This will resolve compatibility issues with validation plugins and custom code.
12-Feb-2008: v1.26
Try to clear elements using the browser's native behaviour: .reset()
This works around security policies in IE6 and Opera.
17-Mar-2008: v1.27
Added properties/methods for easier form integration
$.MultiFile.autoIntercept - array of known jQuery plugins to intercept (default: 'submit', 'ajaxSubmit', 'validate');
$.MultiFile.intercept - intercepts a jQuery plugin / anonymous function
$.MultiFile.disableEmpty - disable empty inputs (required for some upload scripts)
$.MultiFile.reEnableEmpty - re-enables empty inputs
17-Mar-2008: v1.28
MAJOR FIX - OPERA BUG
MASTER.labels was a readyonly property and cause the script to fail.
Renamed to MASTER.eLBL. Problem solved!
29-Apr-2008: v1.28
Added validation to stop duplicate selections
Extracted default configuration to $.MultiFile.options
Improved code organization / performance
Default name is now files[] - square brackets indicate an array is being submitted
Added namePattern options - allows user to configure name of slave elements
- $name = master name, $id = master id, $g = group count, $i = slave count
- eg.: $name$i will result in file1, file2, file3 and so on...
*/
/*# AVOID COLLISIONS #*/
;if(jQuery) (function($){
/*# AVOID COLLISIONS #*/
// extend jQuery - $.MultiFile hook
$.extend($, {
MultiFile: function( o /* Object */ ){
//return $("INPUT[@type='file'].multi").MultiFile(o);
return $("input:file.multi").MultiFile(o);
}
});
//===
// extend $.MultiFile - default options
$.extend($.MultiFile, {
options: {
accept: '', max: -1,
// error handling function
error: function(s){
if($.blockUI){
$.blockUI({
message: s.replace(/\n/gi,'<br/>'),
css: {
border:'none', padding:'15px', size:'12.0pt',
backgroundColor:'#900', color:'#fff',
opacity:'.8','-webkit-border-radius': '10px','-moz-border-radius': '10px'
}
});
window.setTimeout($.unblockUI, 2000);
}
else{
alert(s);
}
},
// namePattern: $name/$id (from master element), $i (slave count), $g (group count)
namePattern: '$name',
// STRING: collection lets you show messages in different languages
STRING: {
remove:'remove',
denied:'You cannot select a $ext file.\nTry again...',
selected:'File selected: $file',
duplicate:'This file has already been selected:\n$file'
}
}
});
//===
// extend $.MultiFile - global methods
$.extend($.MultiFile, {
disableEmpty: function(){
$('input:file'/*.multi'*/).each(function(){
var $this = $(this);
if($this.val()=='') $this.addClass('mfD').each(function(){ this.disabled = true });
});
},
reEnableEmpty: function(){
$('input:file.mfD').removeClass('mfD').each(function(){ this.disabled = false });
},
autoIntercept: [ 'submit', 'ajaxSubmit', 'validate' /* array of methods to intercept */ ],
intercepted: {},
intercept: function(methods, context, args){
var method, value; args = args || [];
if(args.constructor.toString().indexOf("Array")<0) args = [ args ];
if(typeof(methods)=='function'){
$.MultiFile.disableEmpty();
value = methods.apply(context || window, args);
$.MultiFile.reEnableEmpty();
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
$.MultiFile.intercepted[method] = $.fn[method] || function(){};
$.fn[method] = function(){
$.MultiFile.disableEmpty();
//if(console) console.log(['$.MultiFile.intercepted', method, this, arguments]);
value = $.MultiFile.intercepted[method].apply(this, arguments);
$.MultiFile.reEnableEmpty();
return value;
}; // interception
})(method); // MAKE SURE THAT method IS ISOLATED for the interception
};// for each method
}
});
//===
// extend jQuery function library
$.extend($.fn, {
// Use this function to clear values of file inputs
// This doesn't always work: $(element).val('').attr('value', '')[0].value = '';
reset: function(){ return this.each(function(){ try{ this.reset(); }catch(e){} }); },
// MultiFile function
MultiFile: function( o /* Object */ ){
//### http://plugins.jquery.com/node/1363
// utility method to integrate this plugin with others...
if($.MultiFile.autoIntercept){
$.MultiFile.intercept( $.MultiFile.autoIntercept /* array of methods to intercept */ );
$.MultiFile.autoIntercept = null; /* only run this once */
};
//===
// Bind to each element in current jQuery object
return $(this).each(function(group_count){
if(this._MultiFile) return; this._MultiFile = true;
// 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;
group_count = window.MultiFile;
// Copy parent attributes - Thanks to Jonas Wagner
// we will use this one to create new input elements
var MASTER = this, xCLONE = $(MASTER).clone();
//===
//# USE CONFIGURATION
if(typeof o=='number') o = {max:o};
if(typeof o=='string') o = {accept:o};
o = $.extend({},
$.MultiFile.options,
($.metadata ? $(MASTER).metadata()/*NEW metadata plugin*/ :
($.meta ? $(MASTER).data()/*OLD metadata plugin*/ :
null/*metadata plugin not available*/)) || {},
o || {}
);
// limit number of files that can be selected?
if(!(o.max>0) /*IsNull(MASTER.max)*/){
o.max = $(MASTER).attr('maxlength');
if(!(o.max>0) /*IsNull(MASTER.max)*/){
o.max = (String(MASTER.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 || $(MASTER).attr('accept') || '';
if(!o.accept){
o.accept = (MASTER.className.match(/\b(accept\-[\w\|]+)\b/gi)) || '';
o.accept = new String(o.accept).replace(/^(accept|ext)\-/i,'');
};
//===
// APPLY CONFIGURATION
$.extend(MASTER, o || {});
MASTER.STRING = $.extend({},$.MultiFile.options.STRING,MASTER.STRING);
//===
//#########################################
// PRIVATE PROPERTIES/METHODS
$.extend(MASTER, {
n: 0, // How many elements are currently selected?
slaves: [], files: [],
instanceKey: MASTER.id || 'MultiFile'+String(group_count), // Instance Key?
generateID: function(z){ return MASTER.instanceKey + (z>0 ?'_F'+String(z):''); },
trigger: function(event, element){
var handler = MASTER[event], value = $(element).attr('value');
if(handler){
var returnValue = handler(element, value, MASTER);
if( returnValue!=null ) return returnValue;
}
return true;
}
});
//===
// Setup dynamic regular expression for extension validation
// - thanks to John-Paul Bader: http://smyck.de/2006/08/11/javascript-dynamic-regular-expresions/
if(String(MASTER.accept).length>1){
MASTER.rxAccept = new RegExp('\\.('+(MASTER.accept?MASTER.accept:'')+')$','gi');
};
//===
// Create wrapper to hold our file list
MASTER.wrapID = MASTER.instanceKey+'_wrap'; // Wrapper ID?
$(MASTER).wrap('<div id="'+MASTER.wrapID+'"></div>');
MASTER.eWRP = $('#'+MASTER.wrapID+'');
//===
// MASTER MUST have a name
MASTER.name = MASTER.name || 'file[]';
//===
// Create a wrapper for the labels
// * OPERA BUG: NO_MODIFICATION_ALLOWED_ERR ('labels' is a read-only property)
// this changes allows us to keep the files in the order they were selected
MASTER.eWRP.append( '<span id="'+MASTER.wrapID+'_labels"></span>' );
MASTER.eLBL = $('#'+MASTER.wrapID+'_labels');
//===
// Bind a new element
MASTER.addSlave = function( slave, slave_count ){
// Keep track of how many elements have been displayed
MASTER.n++;
// Add reference to master element
slave.MASTER = MASTER;
// Count slaves
slave.i = slave_count;
// BUG FIX: http://plugins.jquery.com/node/1495
// Clear identifying properties from clones
if(slave.i>0) slave.id = slave.name = null;
// Define element's ID and name (upload components need this!)
slave.id = slave.id || MASTER.generateID(slave.i);
//slave.name = (slave.name || $(MASTER).attr('name') || 'file');// + (slave.i>0?slave.i:''); // same name as master element
// 2008-Apr-29: New customizable naming convention (see url below)
// http://groups.google.com/group/jquery-dev/browse_frm/thread/765c73e41b34f924#
slave.name = String(MASTER.namePattern
/*master name*/.replace(/\$name/gi,$(MASTER).attr('name'))
/*master id */.replace(/\$id/gi, $(MASTER).attr('id'))
/*group count*/.replace(/\$g/gi, (group_count>0?group_count:''))
/*slave count*/.replace(/\$i/gi, (slave_count>0?slave_count:''))
);
// Clear value
$(slave).val('').attr('value','')[0].value = '';
// If we've reached maximum number, disable input slave
if( (MASTER.max > 0) && ((MASTER.n-1) > (MASTER.max)) )//{ // MASTER.n Starts at 1, so subtract 1 to find true count
slave.disabled = true;
//};
// Remember most recent slave
MASTER.eCur = MASTER.slaves[slave.i] = slave;
/// now let's use jQuery
slave = $(slave);
// Triggered when a file is selected
$(slave).change(function(){
//# Trigger Event! onFileSelect
if(!MASTER.trigger('onFileSelect', this, MASTER)) return false;
//# End Event!
//# Retrive value of selected file from element
var ERROR = '', v = String(this.value || ''/*.attr('value)*/);
// check extension
if(MASTER.accept){
if(v!=''){
if(!v.match(MASTER.rxAccept)){
ERROR = MASTER.STRING.denied.replace('$ext', String(v.match(/\.\w{1,4}$/gi)));
}
}
};
// Disallow duplicates
for(var f=0;f<MASTER.slaves.length;f++){
if(MASTER.slaves[f]!=this){
if(MASTER.slaves[f].value==v){
ERROR = MASTER.STRING.duplicate.replace('$file', v.match(/[^\/\\]+$/gi));
}
}
};
// Create a new file input element
//var newEle = $('<input name="'+($(MASTER).attr('name') || '')+'" type="file"/>');
var newEle = xCLONE.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!=''){
// Handle error
MASTER.error(ERROR);
// Clear element value (DOES NOT WORK in some browsers)
//slave.reset().val('').attr('value', '')[0].value = '';
// 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
MASTER.n--;
MASTER.addSlave(newEle[0], this.i);
slave.parent().prepend(newEle);
slave.remove();
return false;
};
// Hide this element (NB: display:none is evil!)
$(this).css({ position:'absolute', top: '-3000px' });
// Add new element to the form
MASTER.eLBL.before(newEle);//.append(newEle);
// Update list
MASTER.addToList( this );
// Bind functionality
MASTER.addSlave( newEle[0], this.i+1 );
//# Trigger Event! afterFileSelect
if(!MASTER.trigger('afterFileSelect', this, MASTER)) return false;
//# End Event!
}); // slave.change()
};// MASTER.addSlave
// Bind a new element
// Add a new file to the list
MASTER.addToList = function( slave ){
//# Trigger Event! onFileAppend
if(!MASTER.trigger('onFileAppend', slave, MASTER)) return false;
//# End Event!
// Create label elements
var
r = $('<div></div>'),
v = String(slave.value || ''/*.attr('value)*/),
a = $('<span class="file" title="'+MASTER.STRING.selected.replace('$file', v)+'">'+v.match(/[^\/\\]+$/gi)[0]+'</span>'),
b = $('<a href="#'+MASTER.wrapID+'">'+MASTER.STRING.remove+'</a>');
// Insert label
MASTER.eLBL.append(
r.append('[', b, ']&nbsp;', a)//.prepend(slave.i+': ')
);
b.click(function(){
//# Trigger Event! onFileRemove
if(!MASTER.trigger('onFileRemove', slave, MASTER)) return false;
//# End Event!
MASTER.n--;
MASTER.eCur.disabled = false;
// Remove element, remove label, point to current
if(slave.i==0){
$(MASTER.eCur).remove();
MASTER.eCur = slave;
}
else{
$(slave).remove();
};
$(this).parent().remove();
// Show most current element again (move into view) and clear selection
$(MASTER.eCur).css({ position:'', top: '' }).reset().val('').attr('value', '')[0].value = '';
//# Trigger Event! afterFileRemove
if(!MASTER.trigger('afterFileRemove', slave, MASTER)) return false;
//# End Event!
return false;
});
//# Trigger Event! afterFileAppend
if(!MASTER.trigger('afterFileAppend', slave, MASTER)) return false;
//# End Event!
}; // MASTER.addToList
// Add element to selected files list
// Bind functionality to the first element
if(!MASTER.MASTER) MASTER.addSlave(MASTER, 0);
// Increment control count
//MASTER.I++; // using window.MultiFile
MASTER.n++;
});
// each element
}
// MultiFile function
});
// extend jQuery function library
/*
### Default implementation ###
The plugin will attach itself to file inputs
with the class 'multi' when the page loads
Use the jQuery start plugin to
*/
/*
if($.start){ $.start('MultiFile', $.MultiFile) }
else $(function(){ $.MultiFile() });
*/
if($.start)
$.start('MultiFile', function(context){ context = context || this; // attach to start-up
$("INPUT[@type='file'].multi", context).MultiFile();
});
// $.start
else
$(function(){ $.MultiFile() });
// $()
/*# AVOID COLLISIONS #*/
})(jQuery);
/*# AVOID COLLISIONS #*/