cavepaintingsFork/core/basethemelet.php

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2020-01-26 13:19:35 +00:00
<?php declare(strict_types=1);
/**
* Class BaseThemelet
*
* A collection of common functions for theme parts
*/
class BaseThemelet
{
/**
* Generic error message display
*/
public function display_error(int $code, string $title, string $message): void
{
global $page;
$page->set_code($code);
$page->set_title($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(): void
{
$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): string
{
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());
$h_tags = html_escape(strtolower($image->get_tag_list()));
$extArr = array_flip(['swf', 'svg', 'mp3']); //List of thumbless filetypes
if (!isset($extArr[$image->ext])) {
$tsize = get_thumbnail_size($image->width, $image->height);
} else {
//Use max thumbnail size if using thumbless filetype
$tsize = get_thumbnail_size($config->get_int(ImageConfig::THUMB_WIDTH), $config->get_int(ImageConfig::THUMB_WIDTH));
}
$custom_classes = "";
if (class_exists("Relationships")) {
if (property_exists($image, 'parent_id') && $image->parent_id !== null) {
$custom_classes .= "shm-thumb-has_parent ";
}
if (property_exists($image, 'has_children') && bool_escape($image->has_children)) {
$custom_classes .= "shm-thumb-has_child ";
}
}
return "<a href='$h_view_link' class='thumb shm-thumb shm-thumb-link {$custom_classes}' data-tags='$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";
}
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public function display_paginator(Page $page, string $base, ?string $query, int $page_number, int $total_pages, bool $show_random = false)
{
if ($total_pages == 0) {
$total_pages = 1;
}
$body = $this->build_paginator($page_number, $total_pages, $base, $query, $show_random);
$page->add_block(new Block(null, $body, "main", 90, "paginator"));
}
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private function gen_page_link(string $base_url, ?string $query, int $page, string $name): string
{
$link = make_link($base_url.'/'.$page, $query);
return '<a href="'.$link.'">'.$name.'</a>';
}
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private function gen_page_link_block(string $base_url, ?string $query, int $page, int $current_page, string $name): string
{
$paginator = "";
if ($page == $current_page) {
$paginator .= "<b>";
}
$paginator .= $this->gen_page_link($base_url, $query, $page, $name);
if ($page == $current_page) {
$paginator .= "</b>";
}
return $paginator;
}
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private function build_paginator(int $current_page, int $total_pages, string $base_url, ?string $query, bool $show_random): string
{
$next = $current_page + 1;
$prev = $current_page - 1;
$at_start = ($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");
$random_html = "-";
if ($show_random) {
$rand = mt_rand(1, $total_pages);
$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;
$pages = [];
foreach (range($start, $end) as $i) {
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$pages[] = $this->gen_page_link_block($base_url, $query, $i, $current_page, (string)$i);
}
$pages_html = implode(" | ", $pages);
return $first_html.' | '.$prev_html.' | '.$random_html.' | '.$next_html.' | '.$last_html
.'<br>&lt;&lt; '.$pages_html.' &gt;&gt;';
}
}