111 lines
4.2 KiB
PHP
111 lines
4.2 KiB
PHP
<?php
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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_main_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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$sb->add_label("Text link format: ");
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$sb->add_text_option("ext_link-img_text-link_format");
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$event->panel->add_main_block($sb);
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}
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if(is_a($event, 'ConfigSaveEvent')) {
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$event->config->set_string_from_post("ext_link-img_text-link_format");
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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 = "<div id='link_to_image'>";
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$html .= "<fieldset><legend><a href='http://en.wikipedia.org/wiki/Bbcode' target='_blank'>BBCode</a></legend>";
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$html .= $this->link_code("Text Link", $this->ubb_url($post_link, $text_link), "ubb_text-link");
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$html .= $this->link_code("Thumbnail Link", $this->ubb_url($post_link, $this->ubb_img($thumb_src)), "ubb_thumb-link");
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$html .= $this->link_code("Inline Image", $this->ubb_img($image_src), "ubb_full-img");
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$html .= "</fieldset>";
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$html .= "<fieldset><legend>HTML</legend>";
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$html .= $this->link_code("Text Link", $this->html_url($post_link, $text_link), "html_text-link");
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$html .= $this->link_code("Thumbnail Link", $this->html_url($post_link,$this->html_img($thumb_src)), "html_thumb-link");
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$html .= $this->link_code("Inline Image", $this->html_img($image_src), "html_full-image");
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$html .= "</fieldset>";
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$html .= "</div>";
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return $html;
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}
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private function ubb_url($link,$content) {
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if ($content == NULL) { $content=$link; }
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return "[url=".$link."]".$content."[/url]";
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}
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private function ubb_img($src) {
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return "[img]".$src."[/img]";
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}
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private function html_url($link,$content) {
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if ($content == NULL) { $content=$link; }
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return "<a href=\"".$link."\">".$content."</a>";
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}
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private function html_img($src) {
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return "<img src=\"".$src."\" />";
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}
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private function link_code($label,$content,$id=NULL) {
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$control = "<label for='".$id."'>$label</label>\n";
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$control .= "<input type='text' readonly='readonly' id='".$id."' name='".$id."' value='".$content."' onfocus='this.select();'></input>\n";
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$control .= "<br/>\n\n";
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return $control;
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}
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private function parse_link_template($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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