115 lines
4.1 KiB
PHP
115 lines
4.1 KiB
PHP
<?php
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/**
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* A collection of common functions for theme parts
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*/
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class BaseThemelet {
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/**
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* Generic error message display
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*/
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public function display_error(/*int*/ $code, /*string*/ $title, /*string*/ $message) {
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global $page;
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$page->add_http_header("HTTP/1.0 $code $title");
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$page->set_title($title);
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$page->set_heading($title);
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$has_nav = false;
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foreach($page->blocks as $block) {
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if($block->header == "Navigation") {
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$has_nav = true;
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break;
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}
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}
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if(!$has_nav) {
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$page->add_block(new NavBlock());
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}
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$page->add_block(new Block("Error", $message));
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}
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/**
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* A specific, common error message
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*/
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public function display_permission_denied() {
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$this->display_error(403, "Permission Denied", "You do not have permission to access this page");
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}
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/**
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* Generic thumbnail code; returns HTML rather than adding
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* a block since thumbs tend to go inside blocks...
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*/
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public function build_thumb_html(Image $image) {
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global $config;
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$i_id = (int) $image->id;
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$h_view_link = make_link('post/view/'.$i_id);
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$h_thumb_link = $image->get_thumb_link();
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$h_tip = html_escape($image->get_tooltip());
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$h_tags = strtolower($image->get_tag_list());
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$base = get_base_href();
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$ext = strtolower($image->ext);
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// If the file doesn't support thumbnail generation, show it at max size.
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if($ext === 'swf' || $ext === 'svg' || $ext === 'mp4' || $ext === 'ogv' || $ext === 'webm' || $ext === 'flv'){
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$tsize = get_thumbnail_size($config->get_int('thumb_width'), $config->get_int('thumb_height'));
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}
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else{
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$tsize = get_thumbnail_size($image->width, $image->height);
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}
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return "<a href='$h_view_link' class='thumb shm-thumb shm-thumb-link' data-tags='$h_tags' data-post-id='$i_id'>".
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"<img id='thumb_$i_id' title='$h_tip' alt='$h_tip' height='{$tsize[1]}' width='{$tsize[0]}' class='lazy' data-original='$h_thumb_link' src='$base/lib/static/grey.gif'>".
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"<noscript><img id='thumb_$i_id' title='$h_tip' alt='$h_tip' height='{$tsize[1]}' width='{$tsize[0]}' src='$h_thumb_link'></noscript>".
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"</a>\n";
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}
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/**
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* Add a generic paginator
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*/
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public function display_paginator(Page $page, $base, $query, $page_number, $total_pages) {
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if($total_pages == 0) $total_pages = 1;
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$body = $this->build_paginator($page_number, $total_pages, $base, $query);
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$page->add_block(new Block(null, $body, "main", 90, "paginator"));
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}
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private function gen_page_link($base_url, $query, $page, $name) {
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$link = make_link($base_url.'/'.$page, $query);
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return '<a href="'.$link.'">'.$name.'</a>';
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}
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private function gen_page_link_block($base_url, $query, $page, $current_page, $name) {
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$paginator = "";
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if($page == $current_page) $paginator .= "<b>";
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$paginator .= $this->gen_page_link($base_url, $query, $page, $name);
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if($page == $current_page) $paginator .= "</b>";
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return $paginator;
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}
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private function build_paginator($current_page, $total_pages, $base_url, $query) {
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$next = $current_page + 1;
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$prev = $current_page - 1;
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$rand = rand(1, $total_pages);
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$at_start = ($current_page <= 1 || $total_pages <= 1);
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$at_end = ($current_page >= $total_pages);
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$first_html = $at_start ? "First" : $this->gen_page_link($base_url, $query, 1, "First");
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$prev_html = $at_start ? "Prev" : $this->gen_page_link($base_url, $query, $prev, "Prev");
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$random_html = $this->gen_page_link($base_url, $query, $rand, "Random");
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$next_html = $at_end ? "Next" : $this->gen_page_link($base_url, $query, $next, "Next");
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$last_html = $at_end ? "Last" : $this->gen_page_link($base_url, $query, $total_pages, "Last");
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$start = $current_page-5 > 1 ? $current_page-5 : 1;
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$end = $start+10 < $total_pages ? $start+10 : $total_pages;
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$pages = array();
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foreach(range($start, $end) as $i) {
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$pages[] = $this->gen_page_link_block($base_url, $query, $i, $current_page, $i);
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}
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$pages_html = implode(" | ", $pages);
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return $first_html.' | '.$prev_html.' | '.$random_html.' | '.$next_html.' | '.$last_html
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.'<br><< '.$pages_html.' >>';
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}
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}
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?>
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