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