118 lines
3.8 KiB
PHP
118 lines
3.8 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 Themelet {
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/**
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* Generic error message display
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*/
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public function display_error(Page $page, $title, $message) {
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$page->set_title($title);
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$page->set_heading($title);
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$page->add_block(new NavBlock());
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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(Page $page) {
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header("HTTP/1.0 403 Permission Denied");
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$this->display_error($page, "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, $query=null) {
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global $config;
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$i_id = int_escape($image->id);
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$h_view_link = make_link("post/view/$i_id", $query);
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$h_tip = html_escape($image->get_tooltip());
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$h_image_link = $image->get_image_link();
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$h_thumb_link = $image->get_thumb_link();
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$tsize = get_thumbnail_size($image->width, $image->height);
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return "
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<div class='thumbblock'>
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<div class='rr thumb'>
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<div class='rrtop'><div></div></div>
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<div class='rrcontent'>
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<a href='$h_view_link' style='position: relative; display: block; height: {$tsize[1]}px; width: {$tsize[0]}px;'>
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<img id='thumb_$i_id' title='$h_tip' alt='$h_tip' style='height: {$tsize[1]}px; width: {$tsize[0]}px;' src='$h_thumb_link'>
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</a>
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</div>
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<div class='rrbot'><div></div></div>
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</div>
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</div>
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";
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}
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/**
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* Put something in a box; specific to the default theme
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*/
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public function box($html) {
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return "
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<div class='rr'>
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<div class='rrtop'><div></div></div>
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<div class='rrcontent'>$html</div>
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<div class='rrbot'><div></div></div>
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</div>
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";
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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, $body, "main", 90));
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}
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private function gen_page_link($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(" | ", $pages);
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return "<p class='paginator'>$first_html | $prev_html | $random_html | $next_html | $last_html".
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"<br><< $pages_html >></p><!-- rrcontent -->";
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}
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}
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?>
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