silverstripe-blog/js/cms.js

(function ($) {

    $.entwine('ss', function ($) {

        /**
         * The page success/error message sits outside of the html block
         * containing the sidebar and cms fields. This means it overflows
         * underneath the sidebar.
         *
         * @see https://github.com/silverstripe/silverstripe-blog/issues/210
         */
        $('.cms-content-fields > #Form_EditForm_error').entwine({
            'onadd': function () {
                var $target = $('.blog-admin-outer');
                if ($target.length == 1) {
                    $target.prepend(this);
                }
            }
        });

        /**
         * Register expandable help text functions with fields.
         */
        $('.toggle-description').entwine({
            'onadd': function () {
                var $this = $(this);

                /**
                 * Prevent multiple events being added.
                 */
                if ($this.hasClass('toggle-description-enabled')) {
                    return;
                }

                $this.addClass('toggle-description-enabled');

                /**
                 * Toggle next description when button is clicked.
                 */
                var shown = false;
                var $helpInfo = $this.closest('.field').find('.form-text');

                $this.on('click', function () {
                    $helpInfo[shown ? 'hide' : 'show']();
                    $this.toggleClass('toggle-description-shown');
                    shown = !shown;
                });

                /**
                 * Hide next description by default.
                 */
                $helpInfo.hide();

                /**
                 * Add classes to correct inherited layout issues in a small context.
                 */
                $this.parent().addClass('toggle-description-correct-right');
                $this.parent().prev('.middleColumn').addClass('toggle-description-correct-middle');
                $this.parent().next('.description').addClass('toggle-description-correct-description');
            }
        });

        /**
         * Custom merge actions for tags and categories
         */
        $('.MergeAction').entwine({
            'onadd': function () {
                var $this = $(this);

                $this.on('click', 'select', function () {
                    return false;
                });

                $this.children('button').each(function (i, button) {
                    var $button = $(button);
                    var $select = $button.prev('select');

                    $button.before('<input type="hidden" name="' + $button.attr('data-target') + '" value="' + $select.val() + '" />');
                });

                $this.on('change', 'select', function (e) {
                    var $target = $(e.target);

                    $target.next('input').val($target.val());
                });

                $this.children('button, select').hide();

                $this.on('click', '.MergeActionReveal', function (e) {
                    var $target = $(e.target);

                    $target.parent().children('button, select').show();
                    $target.hide();

                    return false;
                });
            }
        });

        /**
         * Customise the cms-panel behaviour for blog sidebar
         *
         * see LeftAndMain.Panel.js for base behaviour
         */
        $('.blog-admin-sidebar.cms-panel').entwine({
            MinInnerWidth: 620,
            onadd: function () {
                this._super();
                this.updateLayout();

                // If this panel is open and the left hand column is smaller than the minimum, contract it instead
                if (!this.hasClass('collapsed') && ($(".blog-admin-outer").width() < this.getMinInnerWidth())) {
                    this.collapsePanel();
                }

                window.onresize = function () {
                    this.updateLayout();
                }.bind(this);
            },
            togglePanel: function (bool, silent) {
                this._super(bool, silent);
                this.updateLayout();
            },
            /**
             * Adjust minimum width of content to account for extra panel
             *
             * @returns {undefined}
             */
            updateLayout: function () {
                $(this).css('height', '100%');
                var currentHeight = $(this).outerHeight();
                var bottomHeight = $('.cms-content-actions').eq(0).outerHeight();
                $(this).css('height', (currentHeight - bottomHeight) +  "px");
                $(this).css('bottom', bottomHeight + "px");

                $('.cms-container').updateLayoutOptions({
                    minContentWidth: 820 + this.width()
                });

            }
        });

    });
})(jQuery);