add a close article panel plugin (refs #538)

plugins/close_button/init.php

+<?php
+class Close_Button extends Plugin {
+	private $link;
+	private $host;
+
+	function init($host) {
+		$this->link = $host->get_link();
+		$this->host = $host;
+
+		$host->add_hook($host::HOOK_ARTICLE_BUTTON, $this);
+	}
+
+	function about() {
+		return array(1.0,
+			"Adds a button to close article panel",
+			"fox");
+	}
+
+	function hook_article_button($line) {
+		if (!get_pref($this->link, "COMBINED_DISPLAY_MODE")) {
+			$rv = "<img src=\"".theme_image($this->link, 'plugins/close_button/button.png')."\"
+				class='tagsPic' style=\"cursor : pointer\"
+				onclick=\"closeArticlePanel()\"
+				title='".__('Close article')."'>";
+		}
+
+		return $rv;
+	}
+
+	function getInfo() {
+		$id = db_escape_string($_REQUEST['id']);
+
+		$result = db_query($this->link, "SELECT title, link
+				FROM ttrss_entries, ttrss_user_entries
+				WHERE id = '$id' AND ref_id = id AND owner_uid = " .$_SESSION['uid']);
+
+		if (db_num_rows($result) != 0) {
+			$title = truncate_string(strip_tags(db_fetch_result($result, 0, 'title')),
+				100, '...');
+			$article_link = db_fetch_result($result, 0, 'link');
+		}
+
+		print json_encode(array("title" => $title, "link" => $article_link,
+				"id" => $id));
+	}
+
+
+}
+?>