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simple-yewu/frontend/web/assets/js/plugins/prettyfile/bootstrap-prettyfile.js

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/*
* jQuery and Bootsrap3 Plugin prettyFile
*
* version 2.0, Jan 20th, 2014
* by episage, sujin2f
* Git repository : https://github.com/episage/bootstrap-3-pretty-file-upload
*/
( function( $ ) {
$.fn.extend({
prettyFile: function( options ) {
var defaults = {
text : "选择文件"
};
var options = $.extend(defaults, options);
var plugin = this;
function make_form( $el, text ) {
$el.wrap('<div></div>');
$el.hide();
$el.after( '\
<div class="input-append input-group"">\
<span class="input-group-btn">\
<button class="btn btn-white" type="button">' + text + '</button>\
</span>\
<input class="input-large form-control" type="text">\
</div>\
' );
return $el.parent();
};
function bind_change( $wrap, multiple ) {
$wrap.find( 'input[type="file"]' ).change(function () {
// When original file input changes, get its value, show it in the fake input
var files = $( this )[0].files,
info = '';
if ( files.length == 0 )
return false;
if ( !multiple || files.length == 1 ) {
var path = $( this ).val().split('\\');
info = path[path.length - 1];
} else if ( files.length > 1 ) {
// Display number of selected files instead of filenames
info = "已选择了" + files.length + ' 个文件';
}
$wrap.find('.input-append input').val( info );
});
};
function bind_button( $wrap, multiple ) {
$wrap.find( '.input-append' ).click( function( e ) {
e.preventDefault();
$wrap.find( 'input[type="file"]' ).click();
});
};
return plugin.each( function() {
$this = $( this );
if ( $this ) {
var multiple = $this.attr( 'multiple' );
$wrap = make_form( $this, options.text );
bind_change( $wrap, multiple );
bind_button( $wrap );
}
});
}
});
}( jQuery ));