/**
 * A utility object for quickly and conveniently generating dialog boxes.
 * Unfortunately, this doesn't dynamically create new boxes; it reuses the same one
 * over and over again. It turns out dynamically generating new dialog boxes
 * is a pain! So we can't stack them.
 *
 * @constructor
 * @this {BlockPyDialog}
 * @param {Object} main - The main BlockPy instance
 * @param {HTMLElement} tag - The HTML object this is attached to.
 */
function BlockPyDialog(main, tag) {
    this.main = main;
    this.tag = tag;
    
    this.titleTag = tag.find('.modal-title');
    this.bodyTag = tag.find('.modal-body');
}

/**
 * A simple externally available function for popping up a dialog
 * message. This menu will be draggable by its title.
 * 
 * @param {String} title - The title of the message dialog. Can have HTML.
 * @param {String} body - The body of the message dialog. Can have HTML.
 * @param {function} onclose - A function to be run when the user closes the dialog.
 */
BlockPyDialog.prototype.show = function(title, body, onclose) {
    this.titleTag.html(title);
    this.bodyTag.html(body);
    this.tag.modal('open');
    // this.tag.draggable({
    //     'handle': '.modal-title'
    // });
    
    this.tag.on('hidden.bs.modal', function (e) {
        if (onclose !== undefined) {
            onclose();
        }
    });
}