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흑묘 2017.04.27 10:31 read.71

http://codepen.io/terryyounghk/pen/JxGLh

http://terryyoung.blogspot.kr/2012/10/custom-file-upload-input-using-jquery.html


Screen Shot 2013-12-13 at 1.53.44 AM.png




html

 <!DOCTYPE html>

<html>

    <head>

        <meta http-equiv="content-type" content="text/html; charset=utf-8" />

        <title>File Uploader</title>        

        <style>

            /* Style for demo, not required */

            body { font-size: 62.5%; margin: 50px; }

            fieldset { padding: .6em 0;border:0;border-top: 1px dotted #ddd; }

            legend { font-size: 1.5em; font-weight: bold; color: #555; padding: .5em 1em .5em 0; background: #fff;  }

            label { font-size: 1.4em; display: block; margin: .5em 10px .5em 0;  }

            input#upload { background: #aaa url(http://dl.dropbox.com/u/20165443/jsFiddle/images/jquery.fileinput.bg-btn.png) bottom repeat-x; padding: .4em 1.2em;border: 1px solid #aaa; color: #222; font-size: 1.2em; font-weight: bold; -moz-border-radius: 5px; -webkit-border-radius: 5px; border-radius: 5px; cursor: pointer; margin: 2em 0; }

            input#upload:hover { background: #eee; color: #111; border-color:#777; }


        </style>

    </head>

    <body>    

    

    <!-- realistic form attributes: <form action="#" method="post" enctype="multipart/form-data"> -->

    <form action="#" onsubmit="return false;">

      <p>jQuery Custom File Upload Input (Enhancements)</p>

      <p>This modification is a derived from the original work by Filament Group: http://filamentgroup.com/lab/jquery_custom_file_input_book_designing_with_progressive_enhancement/ </p>

            <p>File Input Examples</p>


            <label for="file_A">Default Style</label>

            <input type="file" name="file" id="file_A"/>


            <label for="file_B">Percentage Width</label>

            <input type="file" name="file" id="file_B"/>


            <label for="file_C">Custom Text</label>

            <input type="file" name="file" id="file_C"/>


            <label for="file_D">Test Auto-truncated file name (Try selecting a file with a long name and see what happens)</label>

            <input type="file" name="file" id="file_D"/>


            <label for="file_E">Button Only (I actually used this once to mashup with another jQuery plugin which enables multiple file uploads using a single button)</label>

            <input type="file" name="file" id="file_E"/>


            <label for="file_F">onChange event handler (This example writes the function arguments to the JavaScript Console, e.g. Firebug)</label>

            <input type="file" name="file" id="file_F"/>


            <input type="submit" name="upload" id="upload" value="Upload photo" />

    </form>



    </body>

</html>



css

/**

 * ##1: Removed fixed with of .customfile

 * ##2: Added white-space: nowrap for text

 */

html, body {

    background-color:#222222;

    color:white;

}


*, p {

    font-family: Consolas;

}


/*custom upload elements*/

.customfile-input {

    position:     absolute;

    height:       100px;

    cursor:       pointer;

    background:   transparent;

    border:       0;

    opacity:      0;

    -moz-opacity: 0;

    filter:       progid:DXImageTransform.Microsoft.Alpha(opacity = 0);

    z-index:      999;

}


.customfile {

    /*width: 400px;*/     /* ##1 -- */

    background:            #666;

    cursor:                pointer;

    overflow:              hidden;

    padding:               2px;

    border:                1px solid #444;

    -moz-border-radius:    7px;

    -webkit-border-radius: 7px;

    border-radius:         7px;

    position:              relative;


    /* ##2 ++ */

    white-space: nowrap;

}


.customfile-disabled {

    opacity: .5;

    filter:  progid:DXImageTransform.Microsoft.Alpha(opacity = 0);

    cursor:  default;

}


.customfile-feedback {

    /*display:    block;*/

    margin:     1px 1px 1px 5px;

    font-size:  1.2em;

    color:      #fff;

    font-style: italic;

    padding:    .3em .6em;

}


.customfile-feedback-populated {

    color:        #fff;

    font-style:   normal;

    font-weight:  bold;

    padding-left: 20px;

    background:   url(http://dl.dropbox.com/u/20165443/jsFiddle/images/jquery.fileinput.icon-generic.gif) left 4px no-repeat;

}


.customfile-button {

    border:                1px solid #999;

    background:            #333 url(http://dl.dropbox.com/u/20165443/jsFiddle/images/jquery.fileinput.bg-submit.gif) bottom repeat-x;

    color:                 #fff;

    font-weight:           bold;

    float:                 right;

    /*width:                 50px;*/ /* ##1 -- */

    padding:               .3em .6em;

    text-align:            center;

    text-decoration:       none;

    font-size:             1.2em;

    -moz-border-radius:    5px;

    -webkit-border-radius: 5px;

    border-radius:         5px;

}


.customfile-hover .customfile-button, .customfile-focus .customfile-button {

    color:        #111;

    background:   #aaa url(http://dl.dropbox.com/u/20165443/jsFiddle/images/jquery.fileinput.bg-btn.png) bottom repeat-x;

    border-color: #aaa;

    padding:      .3em .6em;

}


.customfile-focus .customfile-button {

    outline: 1px dotted #ccc;

}


/*file type icons*/

.customfile-ext-jpg, .customfile-ext-gif, .customfile-ext-png, .customfile-ext-jpeg, .customfile-ext-bmp {

    background-image: url(http://dl.dropbox.com/u/20165443/jsFiddle/images/jquery.fileinput.icon-image.gif);

}


.customfile-ext-mp3, .customfile-ext-mp4, .customfile-ext-mov, .customfile-ext-swf, .customfile-ext-wav, .customfile-ext-m4v {

    background-image: url(http://dl.dropbox.com/u/20165443/jsFiddle/images/jquery.fileinput.icon-media.gif);

}


.customfile-ext-zip, .customfile-ext-tar, .customfile-ext-sit {

    background-image: url(http://dl.dropbox.com/u/20165443/jsFiddle/images/jquery.fileinput.icon-zip.gif);


js

 /**

 * --------------------------------------------------------------------

 * jQuery customfileinput plugin

 * Author: Scott Jehl, scott@filamentgroup.com

 * Copyright (c) 2009 Filament Group 

 * licensed under MIT (filamentgroup.com/examples/mit-license.txt)

 * --------------------------------------------------------------------

 */



/**

 * Modifications: Terry Young (terryyounghk at gmail dot com)

 *

 * ##1: Added 'option' parameter. Initially for optionally specifying a width. Default is 'inherit' (i.e. not specified)

 * ##2: Added options 'buttonText', 'inputText' and 'changeText'

 * ##3: Added option 'maxFileSize'. For this technique, @see: http://www.tizag.com/htmlT/htmlupload.php

 * ##4: Added auto-truncating the file name if text exceeds the available width (Uses the window.onresize event)

 * ##5: Added option 'showInputText'. Default is true

 * ##6: Added event handler 'onChange'

 */

$.fn.customFileInput = function(options){


    // ##1 ++

    var defaults = {

        width: 'inherit',

        buttonText: 'Browse',

        changeText: 'Change',

        inputText: 'No file selected',

        showInputText: true,

        maxFileSize: 0, // ##3 ++


        onChange: $.noop

    };


    // ##1 ++

    var opts = $.extend(true, {}, defaults, options);


    //apply events and styles for file input element

    var fileInput = $(this)

        .addClass('customfile-input') //add class for CSS

        .mouseover(function(){ upload.addClass('customfile-hover'); })

        .mouseout(function(){ upload.removeClass('customfile-hover'); })

        .focus(function(){

            upload.addClass('customfile-focus'); 

            fileInput.data('val', fileInput.val());

        })

        .blur(function(){ 

            upload.removeClass('customfile-focus');

            $(this).trigger('checkChange');

         })

         .bind('disable',function(){

             fileInput.attr('disabled',true);

            upload.addClass('customfile-disabled');

        })

        .bind('enable',function(){

            fileInput.removeAttr('disabled');

            upload.removeClass('customfile-disabled');

        })

        .bind('checkChange', function(){

            if(fileInput.val() && fileInput.val() != fileInput.data('val')){

                fileInput.trigger('change');

            }

        })

        .bind('change', function() {

            // ##5 ++

            if (opts.showInputText) {


                //get file name

                var fileName = $(this).val().split(/\\/).pop();


                $(this).data('text', fileName);


                //get file extension

                var fileExt = 'customfile-ext-' + fileName.split('.').pop().toLowerCase();


                //change text of button

                // uploadButton.text('Change'); // ##2 --

                uploadButton.text(opts.changeText); // ##2 ++


                //update the feedback

                uploadFeedback

                    .text(fileName) //set feedback text to filename

                    .removeClass(uploadFeedback.data('fileExt') || '') //remove any existing file extension class

                    .addClass(fileExt) //add file extension class

                    .data('fileExt', fileExt) //store file extension for class removal on next change

                    .addClass('customfile-feedback-populated'); //add class to show populated state



                autoTruncateFileName();

            }


            if ($.isFunction(opts.onChange)) {

                opts.onChange.apply(this, arguments);

            }

        })

        .click(function(){ //for IE and Opera, make sure change fires after choosing a file, using an async callback

            fileInput.data('val', fileInput.val());

            setTimeout(function(){

                fileInput.trigger('checkChange');

            },100);

        });


    //create custom control container

    var upload = $('<div class="customfile"></div>');


    // ##1 ++

    upload.css({

        width: opts.width

    });


    //create custom control button

    // ##2

    var uploadButton = $('<span class="customfile-button" aria-hidden="true"></span>').html(opts.buttonText).appendTo(upload);

    //create custom control feedback

    // ##2

    var uploadFeedback = $('<span class="customfile-feedback" aria-hidden="true"></span>').html(opts.inputText).appendTo(upload);


    // ##3

    if (opts.maxFileSize > 0 && $('input[type="hidden"][name="MAX_FILE_SIZE"]').length == 0) {

        $('<input type="hidden" name="MAX_FILE_SIZE">').val(opts.maxFileSize).appendTo(upload);

    }



    // ##4 ++

    var autoTruncateFileName = function () {

        //get file name

        var fileName = fileInput.val() || opts.inputText;


        if (fileName.length) {

            var limit = 0, // ensuring we're not going into an infinite loop

                trimmedFileName = fileName;

            uploadFeedback

                .text(fileName)

                .css({ display: 'inline' });

            while (limit < 1024 && trimmedFileName.length > 0 && uploadButton.outerWidth() + uploadFeedback.outerWidth() + 5 >= uploadButton.parent().innerWidth()) {

                trimmedFileName = trimmedFileName.substr(0, trimmedFileName.length - 1);

                uploadFeedback.text(trimmedFileName + '...');

                limit++;

            }

            uploadFeedback.css({ display: 'block' }); // ##4

        }

    };


    //match disabled state

    if(fileInput.is('[disabled]')){

        fileInput.trigger('disable');

    }


    uploadFeedback.data('text', opts.inputText);


    // ##5 ++

    if (! opts.showInputText ) {

        uploadFeedback.hide();

        uploadButton

            .css({

                float: 'inherit',

                display: 'block' // take up the full width of the parent container

            })

            .parent()

            .css({

                padding: 0

            });

    } else {

        uploadFeedback.css({

            display: 'block'

        });


        $(window).bind('resize', autoTruncateFileName);


    }



    //on mousemove, keep file input under the cursor to steal click

    upload

        .mousemove(function(e){

            fileInput.css({

                'left': e.pageX - upload.offset().left - fileInput.outerWidth() + 20, //position right side 20px right of cursor X)

                'top': e.pageY - upload.offset().top - $(window).scrollTop() - 3

            });    

        })

        .insertAfter(fileInput); //insert after the input

    

    fileInput.appendTo(upload);

        

    //return jQuery

    return $(this);

};









/**

 * ----------------------------------------------------------

 * EXAMPLE

 */

$(function(){


    // default

        $('#file_A').customFileInput();


    // percentage width

        $('#file_B').customFileInput({

            width: '50%'

        });


    // Custom Text

        $('#file_C').customFileInput({

            width: '30%',

            buttonText: 'Select File',

            changeText: 'Change File',

            inputText: 'Please select a file'

        });


    // Very short field (to test auto-truncated file name)

        $('#file_D').customFileInput({

            width: 150,

            inputText: ''

        });


    // button only

        $('#file_E').customFileInput({

            width: 90,

            buttonText: 'Upload File',

            changeText: 'Change',

            inputText: '',

            showInputText: false

        });


    // Event Handlers

        $('#file_F').customFileInput({

            width: 250,

            onChange: function () {

                console.info(arguments);

            }

        });


});


http://www.jasny.net/bootstrap/customize/?id=a8894c1ac98bc0225de507671594d2fb


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