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