awsmug/torro-forms

( function( torro, _, wp ) {
    'use strict';

    var Toolbar = wp.media.view.Toolbar;
    var InsertElementToolbar;

    InsertElementToolbar = Toolbar.extend({
        initialize: function() {
            wp.media.view.Toolbar.prototype.initialize.apply( this, arguments );

            this.controller.state().on( 'change:selected', this.refresh, this );
        },

        refresh: function() {
            var selected = this.controller.state().get( 'selected' );

            _.each( this._views, function( button ) {
                var disabled = false;

                if ( ! button.model || ! button.options || ! button.options.requires ) {
                    return;
                }

                if ( button.options.requires && button.options.requires.selected && ( ! selected || ! selected.length ) ) {
                    disabled = true;
                }

                button.model.set( 'disabled', disabled );
            });
        }
    });

    torro.Builder.AddElement.View.InsertElementToolbar = InsertElementToolbar;

})( window.torro, window._, window.wp );