5a4d6f7277
git-svn-id: file:///home/shish/svn/shimmie2/trunk@265 7f39781d-f577-437e-ae19-be835c7a54ca
100 lines
3.7 KiB
PHP
100 lines
3.7 KiB
PHP
<?php
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/*
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* This file may not be distributed without its readme.txt
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**/
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class LinkImage extends Extension {
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//event handler
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public function receive_event($event) {
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if(is_a($event, 'DisplayingImageEvent')) {
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global $page;
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global $config;
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$data_href = $config->get_string("data_href");
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$page->add_header("<link rel='stylesheet' href='$data_href/ext/link_image/_style.css' type='text/css'>",0);
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$page->add_block(new Block("Link to Image", $this->get_html($event->image)));
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}
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if(is_a($event, 'SetupBuildingEvent')) {
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$sb = new SetupBlock("Link to Image");
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$sb->add_text_option("ext_link-img_text-link_format","Text Link Format:");
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$event->panel->add_block($sb);
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}
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if(is_a($event, 'InitExtEvent')) {
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global $config;
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//just set default if empty.
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if ($config->get_string("ext_link-img_text-link_format") == "") {
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$config->set_string("ext_link-img_text-link_format", '$title - $id ($ext $size $filesize)');
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}
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}
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}
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private function get_html($image) {
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global $config;
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$thumb_src = $image->get_thumb_link();
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$image_src = $image->get_image_link();
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$post_link = $image->get_short_link();
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$text_link = $this->parse_link_template($config->get_string("ext_link-img_text-link_format"),$image);
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$html = "";
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if($this->get_HTML_PHP()) {
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$html_gen = new LinkImageHTML($post_link, $image_src, $thumb_src, $text_link);
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$html = $html_gen->getHTML();
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}
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return $html;
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}
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/* This function would do better generalized in the Extension class instead *
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* of repeated in every extension. And probaly renamed, too... *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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private function get_HTML_PHP() {
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global $config;
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$theme = $config->get_string("theme");
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if(file_exists("themes/$theme/link_image.html.php")) {
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//$html .= "Using theme version";
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include "themes/$theme/link_image.html.php";
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} else if(file_exists("ext/link_image/link_image.html.php")) {
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include "ext/link_image/link_image.html.php";
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//$html .= "Using default generation in absense of themed generation.";
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} else {
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echo "<b>[Link to Image]<b> Error: <b>link_image.html.php</b> not found at either <b>ext/link_image/link_image.html.php</b> nor <b>themes/$theme/link_image.html.php</b>.<br/>".
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"Please restore the default file to the former location, and copy it over to the latter if you wish to edit the html output of this extension.";
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return false;
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}
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return true;
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}
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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private function parse_link_template($tmpl, $img) { //shamelessly copied from image.class.php
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global $config;
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// don't bother hitting the database if it won't be used...
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$safe_tags = "";
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if(strpos($tmpl, '$tags') !== false) { // * stabs dynamically typed languages with a rusty spoon *
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$safe_tags = preg_replace(
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"/[^a-zA-Z0-9_\- ]/",
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"", $img->get_tag_list());
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}
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$base_href = $config->get_string('base_href');
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$fname = $img->get_filename();
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$base_fname = strpos($fname, '.') ? substr($fname, 0, strrpos($fname, '.')) : $fname;
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$tmpl = str_replace('$id', $img->id, $tmpl);
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$tmpl = str_replace('$hash', $img->hash, $tmpl);
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$tmpl = str_replace('$tags', $safe_tags, $tmpl);
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$tmpl = str_replace('$base', $base_href, $tmpl);
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$tmpl = str_replace('$ext', $img->ext, $tmpl);
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$tmpl = str_replace('$size', "{$img->width}x{$img->height}", $tmpl);
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$tmpl = str_replace('$filesize', to_shorthand_int($img->filesize), $tmpl);
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$tmpl = str_replace('$filename', $base_fname, $tmpl);
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$tmpl = str_replace('$title', $config->get_string("title"), $tmpl);
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return $tmpl;
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}
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}
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add_event_listener(new LinkImage());
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?>
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