function.php
//投稿ボックスギャラリー用
/*管理画面が開いたときに実行*/
add_action( 'admin_init', 'my_admin_init2' );
/*更新ボタンが押されたときに実行*/
add_action('save_post', 'save_custom_field_postdata');
/* カスタムフィールドを投稿画面に追加 */
function my_admin_init2() {
add_meta_box( 'my_meta_box_post2', '添付写真', 'my_meta_box_gallery', gallery );
}
/* 投稿画面に表示するフォームのHTMLソース */
function my_meta_box_gallery() {
//既に値がある場合は値をフォームに反映して出力
$uploaded_image = get_post_meta( $_GET['post'], 'upload_image' );
?>
<div id="meta_div">
<?php print_r ($uploaded_image);?>
<ul id="meta_ul">
<div class="uploadedImageView"></div>
<?php
if($uploaded_image == ""){ $num = 1 ; }else{ $num = 0 ; }
$com = $num + count($uploaded_image[0]);
for($i = 1; $i <= $com; $i++):
?>
<li class='inbox'>
<input type='text' class="upload_image" name='upload_image[]' value='<?php echo esc_html($uploaded_image[0][$i-1]);?>'> <span class="upload_image_button">IMAGE</span>｜<span class='deth'>Delete</span>
</li>
<?php endfor;?>
</ul>
<span id="animate">テキストエリアを追加</span>
<div id="mydialog" class="cf">
<div id="drop-files" ondragover="return false">
Drop Images Here
</div>
<div id="uploaded-holder" >
<div id="dropped-files">
<div id="upload-button">
<a href="#" class="upload">Upload!</a>
<a href="#" class="delete">delete</a>
<span>0 Files</span>
</div>
</div>
<div id="extra-files">
<div class="number">
0
</div>
<div id="file-list">
<ul></ul>
</div>
</div>
</div>
<div id="loading">
<div id="loading-bar">
<div class="loading-color"> </div>
</div>
<div id="loading-content">Uploading file.jpg</div>
</div>
</div>
</div>
<script>
jQuery(document).ready(function () {
function app(){
var bts = jQuery('.deth').size();
if(bts == 1){
jQuery('.deth').hide();
}else{
jQuery('.deth').show();
}
}
app();
jQuery("#animate").click(function(){
jQuery("#meta_ul li:first").clone().appendTo("#meta_ul");
jQuery("#meta_ul li:last input").val("");
app();
});
jQuery("span.deth").live("click",
function(){
jQuery(this).fadeOut("slow" , function (){
jQuery(this).closest('li').remove('.inbox');
app();
});
});
});
</script>
<?php
}
/* 設定したカスタムフィールドの値をDBに書き込む記述 */
function save_custom_field_postdata( $post_id ) {
$mydata = $_POST['upload_image'];
if ( "" == get_post_meta( $post_id, 'upload_image' )) {
/* upload_imageというキーでデータが保存されていなかった場合、新しく保存 */
add_post_meta( $post_id, 'upload_image', $mydata, true ) ;
} else if ( $mydata != get_post_meta( $post_id, 'upload_image' )) {
/* upload_imageというキーのデータと、現在のデータが不一致の場合、更新 */
update_post_meta( $post_id, 'upload_image', $mydata ) ;
} else if ( "" == $mydata ) {
/* 現在のデータが無い場合、page_layoutというキーの値を削除 */
delete_post_meta( $post_id, 'upload_image' ) ;
}
}
//管理画面にアップローダー用のJSを追加
function admin_js() {
global $post_type;
if( 'gallery' == $post_type ) {
wp_enqueue_script('admin', get_bloginfo('template_url').'/js/my_admin_scripts.js', null, true);
}
}
add_action( 'admin_print_scripts-post-new.php', 'admin_js', 1000 );
add_action( 'admin_print_scripts-post.php', 'admin_js', 1000 );
JS
jQuery(document).ready(function() {
// Makes sure the dataTransfer information is sent when we
// Drop the item in the drop box.
jQuery.event.props.push('dataTransfer');
var z = -40;
// The number of images to display
var maxFiles = 5;
var errMessage = 0;
// Get all of the data URIs and put them in an array
var dataArray = [];
// Bind the drop event to the dropzone.
jQuery('#drop-files').bind('drop', function(e) {
// Stop the default action, which is to redirect the page
// To the dropped file
var files = e.dataTransfer.files;
// Show the upload holder
jQuery('#uploaded-holder').show();
// For each file
jQuery.each(files, function(index, file) {
// Some error messaging
if (!files[index].type.match('image.*')) {
if(errMessage == 0) {
jQuery('#drop-files').html('Hey! Images only');
++errMessage
}
else if(errMessage == 1) {
jQuery('#drop-files').html('Stop it! Images only!');
++errMessage
}
else if(errMessage == 2) {
jQuery('#drop-files').html("Can't you read?! Images only!");
++errMessage
}
else if(errMessage == 3) {
jQuery('#drop-files').html("Fine! Keep dropping non-images.");
errMessage = 0;
}
return false;
}
// Check length of the total image elements
if(jQuery('#dropped-files > .image').length < maxFiles) {
// Change position of the upload button so it is centered
var imageWidths = ((220 + (40 * jQuery('#dropped-files > .image').length)) / 2) - 20;
jQuery('#upload-button').css({'left' : imageWidths+'px', 'display' : 'block'});
}
// Start a new instance of FileReader
var fileReader = new FileReader();
// When the filereader loads initiate a function
fileReader.onload = (function(file) {
return function(e) {
// Push the data URI into an array
dataArray.push({name : file.name, value : this.result});
// Move each image 40 more pixels across
z = z+40;
var image = this.result;
// Just some grammatical adjustments
if(dataArray.length == 1) {
jQuery('#upload-button span').html("1 file to be uploaded");
} else {
jQuery('#upload-button span').html(dataArray.length+" files to be uploaded");
}
// Place extra files in a list
if(jQuery('#dropped-files > .image').length < maxFiles) {
// Place the image inside the dropzone
jQuery('#dropped-files').append('<div class="image" style="left: '+z+'px; background: url('+image+'); background-size: cover;"> </div>');
}
else {
jQuery('#extra-files .number').html('+'+(jQuery('#file-list li').length + 1));
// Show the extra files dialogue
jQuery('#extra-files').show();
// Start adding the file name to the file list
jQuery('#extra-files #file-list ul').append('<li>'+file.name+'</li>');
}
};
})(files[index]);
// For data URI purposes
fileReader.readAsDataURL(file);
});
});
function restartFiles() {
// This is to set the loading bar back to its default state
jQuery('#loading-bar .loading-color').css({'width' : '0%'});
jQuery('#loading').css({'display' : 'none'});
jQuery('#loading-content').html(' ');
// --------------------------------------------------------
// We need to remove all the images and li elements as
// appropriate. We'll also make the upload button disappear
jQuery('#upload-button').hide();
jQuery('#dropped-files > .image').remove();
jQuery('#extra-files #file-list li').remove();
jQuery('#extra-files').hide();
jQuery('#uploaded-holder').hide();
// And finally, empty the array/set z to -40
dataArray.length = 0;
z = -40;
return false;
}
jQuery('#upload-button .upload').click(function() {
jQuery("#loading").show();
var totalPercent = 100 / dataArray.length;
var x = 0;
var y = 0;
jQuery('#loading-content').html('Uploading '+dataArray[0].name);
jQuery.each(dataArray, function(index, file) {
jQuery.post('/date/wp_fileuploads.php', dataArray[index], function(data) {
var fileName = dataArray[index].name;
++x;
// Change the bar to represent how much has loaded
jQuery('#loading-bar .loading-color').css({'width' : totalPercent*(x)+'%'});
if(totalPercent*(x) == 100) {
// Show the upload is complete
jQuery('#loading-content').html('Uploading Complete!');
// Reset everything when the loading is completed
setTimeout(restartFiles, 500);
} else if(totalPercent*(x) < 100) {
// Show that the files are uploading
jQuery('#loading-content').html('Uploading '+fileName);
}
// Show a message showing the file URL.
var dataSplit = data.split(':');
if(dataSplit[1] == 'uploaded successfully') {
jQuery('#meta_ul').append('<li><a href="/date/images/'+dataSplit[0]+'">'+fileName+'</a> '+dataSplit[1]+'</li>');
} else {
jQuery('#meta_ul').append('<li><a href="/date/images/'+data+'. File Name: '+dataArray[index].name+'</li>');
}
});
});
return false;
});
// Just some styling for the drop file container.
jQuery('#drop-files').bind('dragenter', function() {
jQuery(this).css({'box-shadow' : 'inset 0px 0px 20px rgba(0, 0, 0, 0.1)', 'border' : '4px dashed #bb2b2b'});
return false;
});
jQuery('#drop-files').bind('drop', function() {
jQuery(this).css({'box-shadow' : 'none', 'border' : '4px dashed rgba(0,0,0,0.2)'});
return false;
});
// For the file list
jQuery('#extra-files .number').toggle(function() {
jQuery('#file-list').show();
}, function() {
jQuery('#file-list').hide();
});
jQuery('#dropped-files #upload-button .delete').click(restartFiles);
// Append the localstorage the the uploaded files section
/*if(window.localStorage.length > 0) {
jQuery('#uploaded-files').show();
for (var t = 0; t < window.localStorage.length; t++) {
var key = window.localStorage.key(t);
var value = window.localStorage[key];
// Append the list items
if(value != undefined || value != '') {
jQuery('#uploaded-files').append(value);
}
}
} else {
jQuery('#uploaded-files').hide();
}*/
});
wp_fileuploads.php
<?php
// We're putting all our files in a directory called images.
$uploaddir = 'images/';
// The posted data, for reference
$file = $_POST['value'];
$name = $_POST['name'];
// Get the mime
$getMime = explode('.', $name);
$mime = end($getMime);
// Separate out the data
$data = explode(',', $file);
// Encode it correctly
$encodedData = str_replace(' ','+',$data[1]);
$decodedData = base64_decode($encodedData);
// You can use the name given, or create a random name.
// We will create a random name!
$randomName = substr_replace(sha1(microtime(true)), '', 12).'.'.$mime;
if(file_put_contents($uploaddir.$randomName, $decodedData)) {
echo $randomName.":uploaded successfully";
}
else {
// Show an error message should something go wrong.
echo "Something went wrong. Check that the file isn't corrupted";
}
?>
CSSの設定
#drop-files {
width: 100px;
height: 55px;
background: rgba(0,0,0,0.1);
border-radius: 10px;
border: 4px dashed rgba(0,0,0,0.2);
padding: 75px 0 0 0;
text-align: center;
font-size: 2em;
float: left;
font-weight: bold;
margin: 0 20px 20px 0;
}
#dropped-files {
float: left;
position: relative;
width: 560px;
height: 125px;
}
#upload-button {
position: absolute;
top: 87px;
z-index: 9999;
width: 210px;
display: none;
}
#dropped-files .image {
height: 100px;
width: 200px;
border: 4px solid #fff;
position: absolute;
box-shadow: 0px 0px 10px rgba(0,0,0,0.1);
background: #fff;
border-radius: 4px;
overflow: hidden;
}
#upload-button .ss-upload {
font-size: 0.7em;
}
#upload-button a {
text-decoration: none;
color: #fff;
font-weight: bold;
box-shadow: 0 0 1000px 62px rgba(255, 255, 255, 1), inset 0 -35px 40px -10px #0A9FCA;
font-size: 20px;
padding: 10px 20px;
background-color: #4bc1e3;
border-radius: 10px;
}
#upload-button span {
display: block;
width: 160px;
text-align: center;
margin: 20px 0 0 0;
background: white;
border-radius: 10px;
font-size: 1.1em;
padding: 4px 0;
position: relative;
left: -14px;
}
#upload-button a:hover {
box-shadow: 0 0 1000px 62px rgba(255, 255, 255, 1), inset 0 -5px 40px 0px #0A9FCA;
}
#extra-files {
display: none;
float: left;
position: relative;
}
#extra-files .number {
background: rgba(0,0,0,0.6);
border-radius: 4px;
display: inline-block;
position: relative;
font-weight: bold;
color: #fff;
padding: 20px 30px;
margin: 60px 0 0 0;
cursor: pointer;
font-size: 30px;
}
#dropped-files #upload-button .delete {
padding: 7px 6px 4px 6px;
border-radius: 100px;
background: rgba(0,0,0,0.6);
box-shadow: none;
font-size: 1em;
margin-left: 8px;
}
#dropped-files #upload-button .delete:hover {
background: rgba(0,0,0,0.8);
}
#extra-files .number:after {
position: absolute;
content: " ";
top: 18px;
left: -40px;
display: block;
border: 20px solid;
border-color: transparent rgba(0, 0, 0, 0.6) transparent transparent;
}
#extra-files #file-list {
display: none;
background: white;
padding: 20px 0;
border-radius: 5px;
box-shadow: 0 0 15px rgba(0,0,0,0.1);
width: 250px;
top: 100px;
border: 1px solid #dadada;
left: -10px;
left: -16px;
max-height: 220px;
top: 150px;
position: absolute;
color: #545454;
}
#file-list ul {
overflow: scroll;
padding: 0;
border-top: 1px solid #dadada;
max-height: 200px;
width: 250px;
list-style: none;
border-bottom: 1px solid #dadada !important;
}
#file-list ul li:last-of-type {
border-bottom: 0 !important;
}
#uploaded-holder {
width: 700px;
height: 250px;
display: none;
float: left;
}
#extra-files #file-list:after, #extra-files #file-list:before {
position: absolute;
content: " ";
top: -40px;
left: 40px;
display: block;
border: 20px solid;
border-color: transparent transparent #ffffff transparent;
}
#extra-files #file-list:before {
border-color: transparent transparent #dadada transparent;
top: -41px;
}
#extra-files #file-list li {
border-bottom: 1px solid #eee;
font-weight: bold;
font-size: 1.5em;
padding: 10px;
}
#loading {
display: none;
float: left;
width: 100%;
position: relative;
}
#loading-bar {
width: 404px;
height: 40px;
background: #fff;
box-shadow: 0 0 15px rgba(0,0,0,0.1);
border-radius: 5px;
padding: 2px;
}
.loading-color {
width: 0%;
height: 100%;
-webkit-transition: all 0.1s ease-in;
-moz-transition: all 0.1s ease-in;
-ms-transition: all 0.1s ease-in;
-o-transition: all 0.1s ease-in;
transition: all 0.1s ease-in;
border-radius: inherit;
background-color: #4edbf1;
}
#loading-content {
position: absolute;
top: 15px;
font-size: 1.2em;
font-weight: bold;
text-align: center;
width: 405px;
}
#file-name-holder {
width: 100%;
float: left;
}
#file-name-holder h1 {
text-align: center;
border-bottom: 1px solid #dadada;
padding: 20px 0;
font-size: 3em;
margin: 0;
}
#uploaded-files {
background: white;
border-radius: 5px;
box-shadow: 0 0 15px rgba(0,0,0,0.1);
width: 407px;
top: 100px;
padding: 0;
border: 1px solid #dadada;
max-height: 320px;
overflow: scroll;
color: #545454;
}
#uploaded-files li {
padding: 10px;
border-bottom: 1px solid #eee;
font-size: 1.5em;
font-weight: bold;
line-height: 25px;
color: #545454;
}
#uploaded-files a {
color: #1bacbf;
}