From 4b6a22f6a390c19168e1b53c68b324c736d433d4 Mon Sep 17 00:00:00 2001
From: Sean Harvey <sean@silverstripe.com>
Date: Wed, 10 Dec 2008 06:49:06 +0000
Subject: [PATCH] ENHANCEMENT Added SubscribeRSSWidget for linking directly to
 blog RSS from the BlogHolder

---
 code/SubscribeRSSWidget.php     | 56 +++++++++++++++++++++++++++++++++
 css/subscribersswidget.css      |  4 +++
 templates/SubscribeRSSWidget.ss |  5 +++
 3 files changed, 65 insertions(+)
 create mode 100644 code/SubscribeRSSWidget.php
 create mode 100644 css/subscribersswidget.css
 create mode 100644 templates/SubscribeRSSWidget.ss

diff --git a/code/SubscribeRSSWidget.php b/code/SubscribeRSSWidget.php
new file mode 100644
index 0000000..72dc229
--- /dev/null
+++ b/code/SubscribeRSSWidget.php
@@ -0,0 +1,56 @@
+<?php
+
+/**
+ * A simple widget that just shows a link
+ * to this website's blog RSS, with an RSS
+ * icon.
+ * 
+ * @package blog
+ */
+class SubscribeRSSWidget extends Widget {
+	
+	static $db = array(
+		'Title' => 'Varchar'
+	);
+	
+	static $title = 'Subscribe via RSS';
+	
+	static $cmsTitle = 'Subscribe via RSS widget';
+	
+	static $description = 'Shows a link allowing a user to subscribe to this blog via RSS.';
+
+	/**
+	 * Get the BlogHolder instance that this widget
+	 * is located on.
+	 *
+	 * @return BlogHolder
+	 */
+	function getBlogHolder() {
+		$page = Director::currentPage();
+		
+		if($page instanceof BlogHolder) {
+			return $page;
+		} elseif(($page instanceof BlogEntry) && ($page->getParent() instanceof BlogHolder)) {
+			return $page->getParent();
+		} else {
+			return DataObject::get_one('BlogHolder');
+		}
+	}
+	
+	/**
+	 * Return an absolute URL based on the BlogHolder
+	 * that this widget is located on.
+	 * 
+	 * @return string
+	 */
+	function RSSLink() {
+		Requirements::themedCSS('subscribersswidget');
+		$blogHolder = $this->getBlogHolder();
+		if($blogHolder) {
+			return $blogHolder->Link() . 'rss';
+		}
+	}
+	
+}
+
+?>
\ No newline at end of file
diff --git a/css/subscribersswidget.css b/css/subscribersswidget.css
new file mode 100644
index 0000000..9613397
--- /dev/null
+++ b/css/subscribersswidget.css
@@ -0,0 +1,4 @@
+.subscribeLink {
+	background: url(../images/feed-icon-14x14.png) no-repeat left center;
+	padding-left: 20px;
+}
\ No newline at end of file
diff --git a/templates/SubscribeRSSWidget.ss b/templates/SubscribeRSSWidget.ss
new file mode 100644
index 0000000..cc29b1e
--- /dev/null
+++ b/templates/SubscribeRSSWidget.ss
@@ -0,0 +1,5 @@
+<p>
+	<a href="$RSSLink" class="subscribeLink" title="<% _t('SUBSCRIBETITLE', 'Subscribe to this blog via RSS') %>">
+	 	<% _t('SUBSCRIBETEXT', 'Subscribe') %>
+	</a>
+</p>
\ No newline at end of file