WordPress自定义插入到发布按钮中



对于使用WordPress的媒体上传器上传的图像,有一个"插入到post"按钮,该按钮将短代码发送到该图像的编辑器。

我有一个文本输入,当专注时,我希望媒体上传器出现,以便用户可以选择图像并将文件URL发送到文本输入。

我遇到的主要问题是创建将文件URL发送到适当的文本字段的其他"插入到帖子"按钮。

我要使用哪个挂钩,如何将文件URL数据返回到输入字段?

您的指导非常感谢!

您所描述的是旧的WordPress做到的方法...如果要在WordPress 3.5 中使用新的uploader,则可以创建wp.media对象上传,类似于WP-Admin/js/custom-background.js中的代码:

           // Create the media frame.
            frame = wp.media.frames.customBackground = wp.media({
                // Set the title of the modal.
                title: $el.data('choose'),
                // Tell the modal to show only images.
                library: {
                    type: 'image'
                },
                // Customize the submit button.
                button: {
                    // Set the text of the button.
                    text: $el.data('update'),
                    // Tell the button not to close the modal, since we're
                    // going to refresh the page when the image is selected.
                    close: false
                }
            });
            // When an image is selected, run a callback.
            frame.on( 'select', function() {
                // Grab the selected attachment.
                var attachment = frame.state().get('selection').first();
                // Run an AJAX request to set the background image.
                $.post( ajaxurl, {
                    action: 'set-background-image',
                    attachment_id: attachment.id,
                    size: 'full'
                }).done( function() {
                    // When the request completes, reload the window.
                    window.location.reload();
                });
            });
            // Finally, open the modal.
            frame.open();

选择文件时运行frame.on('select' function(){代码。

垃圾进一步搜索,我能够找到一些很好的来源,解释了如何做到这一点。我去了一个JavaScript,PHP Mix:

javascript

$j('input').live('focusin',function(){
    var target = '#'+$j(this).attr('id');
    tb_show('','media-upload.php?post_id=[post_id]&tab=gallery&context=choose&TB_iframe=1');
    window.send_to_editor = function(html) {            
        fileurl = $j(html).attr('href');
        $j(target).val(fileurl);
        tb_remove();
    };
});

来源:http://jaspreetchahal.org/wordpress-using-media-uploader-in-your-plugin/

php

/* Customize button */
function media_uploader_btn($form_fields, $post) {
    $send = "<input type='submit' class='button' name='send[$post->ID]' value='" . esc_attr__( 'Choose This File' ) . "' />";
    $form_fields['buttons'] = array('tr' => "tt<tr class='submit'><td></td><td class='savesend'>$send</td></tr>n");
    $form_fields['context'] = array( 'input' => 'hidden', 'value' => 'choose' );
    return $form_fields;
}
/* Check for button context */
function check_upload_image_context($context){
    if(isset($_REQUEST['context']) && $_REQUEST['context'] == $context){
        return true;
    } elseif(isset($_POST['attachments']) && is_array($_POST['attachments'])){
        /* check for context in attachment objects */
        $image_data = current($_POST['attachments']);
        if (isset($image_data['context']) && $image_data['context'] == $context ){
            return true;
        }
    }
    return false;
}

if(check_upload_image_context('choose')){
    add_filter('attachment_fields_to_edit', 'media_uploader_btn', 20, 2);
}

来源:http://shibashake.com/wordpress-theme/how-to-hook-into-the-media-upload-popup-interface

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