MediaWiki:Common.js

/* Размещённый здесь код JavaScript будет загружаться пользователям при обращении к каждой странице */

// Добавляет кнопку для очистки кэша
if (!$('#ca-purge').length) {
    $('#p-cactions').find('ul').append(
        $('<li>').attr({'id': 'ca-purge', 'class': 'mw-list-item'}).append(
            $('<a>').attr({'href': mw.util.getUrl(null, { action: 'purge' }), 'title': 'Очистить серверный кэш страницы'}).append(
                $('<span>').text('Очистить кэш')
            )
        )
    );
}

// Меняем обычную ссылку очистки кэша на API-запрос, чтобы избежать окна подтверждения
mw.loader.using('mediawiki.api').then(function() {
    $('#ca-purge a').on('click', function(e) {
        e.preventDefault(); // Предотвращаем стандартное действие ссылки

        new mw.Api().post({
            action: 'purge',
            titles: mw.config.get('wgPageName')
        }).done(function() {
            location.reload();
        }).fail(function(xhr, status, error) {
            mw.notify('Purge failed: ' + (xhr.responseText || status || error), { type: 'error' });
        });
    });
});

/* Fired whenever wiki content is added. (#mw-content-text, live preview, load page, etc.) */
mw.hook('wikipage.content').add(function($wikipageContent) {
    $(function() {
        $("footer#footer").append($("<span></span>")
            .attr({
                "id": "scroll-top",
                "title": "Наверх"
            })
        );

        $("#scroll-top").click(function(e) {
            $('body,html').animate({scrollTop: 0}, 300);
        });
    });

    /**
     * Page loader
     *
     * Allows a page to be downloaded and displayed on demand.
     * Use with Template:LoadPage and Template:LoadBox
     */
    (function() {
        var $loadPage = $wikipageContent.find('.load-page');
        if (!$loadPage.length) {
            return;
        }

        // We need the spinner to show loading is happening, but we don't want
        // to have a delay while the module downloads, so we'll load this now,
        // regardless of if something is clicked
        mw.loader.load('jquery.spinner');

        // Create button starting with hide text
        // Will be changed to the show text while calculating the maximum button size
        var $buttonTemplate = $('<span>').addClass('mw-editsection-like load-page-button')
            .append('[ ', $('<span>').addClass('jslink').text(i18n.hideText), ' ]');

        var extractList = function($contentContainer, listClass) {
            var $content = $contentContainer.find('.mw-parser-output > ul > li > ul').children(':not(.nbttree-inherited)');
            if (listClass) {
                $content.addClass(listClass);
            }

            return $content;
        };

        $loadPage.each(function() {
            var $body = $(this);
            var page = $body.data('page');
            if (!page) {
                return;
            }

            var template = $body.data('template');
            var treeview = $body.data('treeview');
            var treeviewClass = $body.data('treeviewclass');
            var $heading;
            var $contentContainer;
            var $content;
            var $button = $buttonTemplate.clone();
            var $buttonLink = $button.find('.jslink');
            if (treeview) {
                $heading = $body;
                $contentContainer = $('<div>');
            } else {
                $heading = $body.children().first();
                $contentContainer = $body.find('.load-page-content');
            }

            // Add the button
            $heading.append($button);

            // Move the edit button to the right spot
            $contentContainer.find('.mw-editsection, .mw-editsection-like').insertAfter($button);

            // Find max button width, and set its min-width to it
            var hideWidth = $button.width();
            $buttonLink.text(i18n.showText);
            var showWidth = $button.width();

            if (hideWidth !== showWidth) {
                $button.css('min-width', hideWidth > showWidth ? hideWidth : showWidth);
            }

            $buttonLink.click(function() {
                if ($body.hasClass('pageloader-contentloaded')) {
                    if ($buttonLink.text() === i18n.showText) {
                        if (treeview) {
                            $content.insertAfter($body);
                        } else {
                            $contentContainer.show();
                        }
                        $buttonLink.text(i18n.hideText);
                    } else {
                        if (treeview) {
                            $content.detach();
                        } else {
                            $contentContainer.hide();
                        }
                        $buttonLink.text(i18n.showText);
                    }
                    return;
                }

                // See if this was loaded elsewhere before making a request
                var gotContent;
                $('.pageloader-contentloaded').each(function() {
                    var $fLoader = $(this);
                    if ($fLoader.data('page') === page && $fLoader.data('pageloader-content')) {
                        $contentContainer.html($fLoader.data('pageloader-content')).removeClass('noscript');
                        mw.hook('wikipage.content').fire($contentContainer);

                        if (treeview) {
                            $body.find('.noscript').remove();
                            $content = extractList($contentContainer, treeviewClass);
                            $content.insertAfter($body);
                        }

                        $buttonLink.text(i18n.hideText);
                        $body.addClass('pageloader-contentloaded');
                        gotContent = true;
                        return false;
                    }
                });
                if (gotContent) {
                    return;
                }

                // Just in-case the spinner module is still not ready yet
                var $spinner = $();
                mw.loader.using('jquery.spinner', function() {
                    // $spinner will be false if the content somehow loaded before the module did
                    if ($spinner) {
                        $spinner = $.createSpinner().addClass('mw-editsection-like')
                            .css('min-width', $button.css('min-width'));
                        $button.hide().after($spinner);
                    }
                });

                var requestData = {
                    action: 'parse',
                    prop: 'text'
                };
                if (template) {
                    requestData.page = page;
                } else {
                    requestData.title = mw.config.get('wgPageName');
                    requestData.text = '{{:' + page + '}}';
                }
                new mw.Api().get(requestData).done(function(data) {
                    var html = data.parse.text['*'];
                    $contentContainer.html(html).removeClass('noscript');

                    // Resolve self-links
                    if (template) {
                        var curPage = '/' + mw.config.get('wgPageName');
                        $contentContainer.find('a').each(function() {
                            var $link = $(this);
                            if ($link.attr('href') === curPage) {
                                $link.replaceWith($('<strong>').addClass('selflink').append($link.contents()));
                            }
                        });
                        html = $contentContainer.html();
                    }

                    $body.data('pageloader-content', html);

                    // Fire content hook on the new content, running all this stuff again and more :)
                    mw.hook('wikipage.content').fire($contentContainer);

                    if (treeview) {
                        $body.find('.noscript').remove();
                        $content = extractList($contentContainer, treeviewClass);
                        $content.insertAfter($body);
                    }

                    $spinner.remove();
                    $spinner = false;
                    $buttonLink.text(i18n.hideText);
                    $button.show();
                    $body.addClass('pageloader-contentloaded');
                }).fail(function(_, error) {
                    $spinner.remove();
                    $spinner = false;
                    $button.show();

                    var errorText = '';
                    if (error.textStatus) {
                        errorText = error.textStatus;
                    } else if (error.error) {
                        errorText = error.error.info;
                    }

                    mw.notify(errorText, { title: i18n.loadErrorTitle, autoHide: false });
                });
            });
        });
    }());
});