Simple File Input - Customise your input files

Simple File Input is a free jquery plugin to customise your file inputs ( upload fields ).

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Source: github.com

1. INCLUDE CSS AND JS FILES

<link rel="stylesheet" href="../src/css/jquery.simplefileinput.css">
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script type="text/javascript" src="../src/js/jquery.simplefileinput.min.js"></script>

2. HTML

<input type="file" class="custom-input-class">

3. JAVASCRIPT

$(document).ready(function(){
    $('.custom-input-class').simpleFileInput();
});

4. OPTIONS

placeholder: default:Pick your file

Basically it's like a placeholder, a text that shows up when there is no selected file yet (default).

wrapperClass : default : sfi-container

This is the class used for the wrapper that wraps the customised file input. Warning: if wrapperClass: is not sfi-container then you'll need to write your own css code, or at least change the one provided and get it adapted to your new class.

validClass : default : .sfi-valid

If everything goas right, this class gets added to the wrapper and you can use it for CSS'ying.

errorClass : default : .sfi-error

If a file with a wrong extension has been picked, this class gonna be added to the wrapper, so you can use it for CSS'ying.

disabledClass : default : .sfi-disabled

If the input file is disabled on the html, you may need to give it a different style, that's why .sfi-disabled is there.

buttonText : default : Pick your file

Used for the button as a visual text, in our CSS we've used text-indent which makes it invisible, that depends on your case, if it happens and you needed it, it's there :).

allowedExts : default : false

Used to limit the accepted file types of the input, if you wanted to set some allowed extensions you'll need to add it as an array (Ex : ['png', 'jpg', 'jpeg', 'gif'])

width : default : 300

This parameter can be false, this way the plugin would not set a width for the element, but if you do need a specific dimension you can use it.

5. CALLBACKS

onInit : Gets called during the initialisation of the plugin ( on each input );

onError : Gets called if the choosen file has a non-accepted extention / file type.

onFileSelect : Gets called when a file gets selected ( if the file doesn't respect the allowed extensions this callback won't be fired )

6. CSS Classes

.sfi-js : This class gets added to the html tag, and it's used on css for targeting the plugin's dom elements 

.sfi-wrapper : This class is used to wrap 

.sfi-filename : Set to the element that contains the file name. 

.sfi-trigger : Set to file input button, we've separated those to give much more freedom to stylise each part of the input. 

.sfi-error : Set to the wrapper when the choosen file has a wrong file type. 

.sfi-valid : Set to the wrapper when the a valid file gets selected. 

.sfi-disabled : Set to the wrapper when input file has the attribute disabled on it.