WordPress Pre Fill content in Posts

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I have an admin plugin that has a list of articles in it with a button “Add to Posts” along side. On the click of that button, I want to redirect to “/wp-admin/post-new.php” with the form pre filled.

I can set the title in the url like wp-admin/post-new.php?post_type=post&post_title=My Titlle. But, how can I pre fill the content?

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I read some articles like this, but its not what I am looking for.

Also, the content is going to be different each time, so I don’t want to set it as default.

What I am doing right now :

My jQuery on button click : 

function add_to_post(id) {

    var data = {
        'action'    : 'add_to_post',
        'id'    : id
    };

    $.ajax({
        type    : 'POST',
        url     : ajaxurl,
        data    : data
    })
    .done(function(){

        var title   = $(document.getElementById('title_'+id)).text(); 
        var link    = host+"/wp-admin/post-new.php?post_type=post&post_title="+title;
        window.open(link,"_blank");
    })
    ;
}

My Plugin code for Action 

add_action('wp_ajax_add_to_post','add_to_post_callback');

function add_to_post_callback() {

    add_filter( 'default_content', 'my_editor_content', 10 , 2 );

    wp_die();
}

function my_editor_content( $content ) {

    $content = "This is some custom content I'm adding to the post editor because I hate re-typing it.";

    return $content;
}

But when I click on “Add to post” button, the content is still empty
I would appreciate any help.

Aman.

Post Views: 1

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2 comments

  1. WordPress has a filter for default content:

    add_filter( 'default_content', 'set_default_content', 10, 2 );
function set_default_content( $content, $post ) {
    $content = ...your content...;
    return $content;
}

    You can just use a variable for the content and change it whenever you like.

  2. This is what I ended up doing :

    in jQuery :

    function add_to_post(feed_id) {

    var title   = $(document.getElementById('title_'+feed_id)).text(); 
    var content = $(document.getElementById('summary_'+feed_id)).text(); 
    var link    = host+"/wp-admin/post-new.php";

    var data = {
        'post_title'    : title,
        'pre_content'   : content,
        'post_type'     : 'post'
    };

    $.extend({
        redirectPost: function(location, args) {
            var form = '';
            $.each( args, function( key, value ) {
                form += '<input type="hidden" name="'+key+'" value="'+value+'">';
            });
            $('<form target = "_blank" action="'+location+'" method="POST">'+form+'</form>').appendTo('body').submit();
        }
    });
    // sending content as post because Get request has character limit of 2048. Just taking no chances.
    $.redirectPost(link,data);
}

    In PHP

    //To add content to your post.
add_filter( 'default_content', 'my_editor_content', 10 , 2 );

function my_editor_content( $content , $post ) {

    if(isset($_POST['pre_content'])) {
        $content = $_POST['pre_content'];
    }

    return $content;
}