add icons for Character groups

www/analytics/plugins/ExampleRssWidget/Controller.php

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+<?php
+/**
+ * Piwik - Open source web analytics
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ *
+ */
+
+namespace Piwik\Plugins\ExampleRssWidget;
+
+use Exception;
+use Piwik\Piwik;
+
+/**
+ *
+ */
+class Controller extends \Piwik\Plugin\Controller
+{
+    public function rssPiwik()
+    {
+        try {
+            $rss = new RssRenderer('http://feeds.feedburner.com/Piwik');
+            $rss->showDescription(true);
+            return $rss->get();
+        } catch (Exception $e) {
+            return $this->error($e);
+        }
+    }
+
+    public function rssChangelog()
+    {
+        try {
+            $rss = new RssRenderer('http://feeds.feedburner.com/PiwikReleases');
+            $rss->setCountPosts(1);
+            $rss->showDescription(true);
+            $rss->showContent(false);
+            return $rss->get();
+        } catch (Exception $e) {
+            return $this->error($e);
+        }
+    }
+
+    /**
+     * @param \Exception $e
+     */
+    protected function error($e)
+    {
+        return '<div class="pk-emptyDataTable">'
+            . Piwik::translate('General_ErrorRequest')
+            . ' - ' . $e->getMessage() . '</div>';
+    }
+}

www/analytics/plugins/ExampleRssWidget/ExampleRssWidget.php

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+<?php
+/**
+ * Piwik - Open source web analytics
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ *
+ */
+namespace Piwik\Plugins\ExampleRssWidget;
+
+use Piwik\WidgetsList;
+
+/**
+ *
+ */
+class ExampleRssWidget extends \Piwik\Plugin
+{
+    /**
+     * @see Piwik\Plugin::getListHooksRegistered
+     */
+    public function getListHooksRegistered()
+    {
+        return array(
+            'AssetManager.getStylesheetFiles' => 'getStylesheetFiles',
+            'WidgetsList.addWidgets'          => 'addWidgets'
+        );
+    }
+
+    public function getStylesheetFiles(&$stylesheets)
+    {
+        $stylesheets[] = "plugins/ExampleRssWidget/stylesheets/rss.less";
+    }
+
+    public function addWidgets()
+    {
+        WidgetsList::add('Example Widgets', 'Piwik.org Blog', 'ExampleRssWidget', 'rssPiwik');
+        WidgetsList::add('Example Widgets', 'Piwik Changelog', 'ExampleRssWidget', 'rssChangelog');
+    }
+}

www/analytics/plugins/ExampleRssWidget/RssRenderer.php

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+<?php
+/**
+ * Piwik - Open source web analytics
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ *
+ */
+
+namespace Piwik\Plugins\ExampleRssWidget;
+use Piwik\Http;
+
+/**
+ *
+ */
+class RssRenderer
+{
+    protected $url = null;
+    protected $count = 3;
+    protected $showDescription = false;
+    protected $showContent = false;
+
+    public function __construct($url)
+    {
+        $this->url = $url;
+    }
+
+    public function showDescription($bool)
+    {
+        $this->showDescription = $bool;
+    }
+
+    public function showContent($bool)
+    {
+        $this->showContent = $bool;
+    }
+
+    public function setCountPosts($count)
+    {
+        $this->count = $count;
+    }
+
+    public function get()
+    {
+        try {
+            $content = Http::fetchRemoteFile($this->url);
+            $rss = simplexml_load_string($content);
+        } catch (\Exception $e) {
+            echo "Error while importing feed: {$e->getMessage()}\n";
+            exit;
+        }
+
+        $output = '<div style="padding:10px 15px;"><ul class="rss">';
+        $i = 0;
+
+        $items = array();
+        if(!empty($rss->channel->item)) {
+            $items = $rss->channel->item;
+        }
+        foreach ($items as $post) {
+            $title = $post->title;
+            $date = @strftime("%B %e, %Y", strtotime($post->pubDate));
+            $link = $post->link;
+
+            $output .= '<li><a class="rss-title" title="" target="_blank" href="?module=Proxy&action=redirect&url=' . $link . '">' . $title . '</a>' .
+                '<span class="rss-date">' . $date . '</span>';
+            if ($this->showDescription) {
+                $output .= '<div class="rss-description">' . $post->description . '</div>';
+            }
+
+            if ($this->showContent) {
+                $output .= '<div class="rss-content">' . $post->content . '</div>';
+            }
+            $output .= '</li>';
+
+            if (++$i == $this->count) {
+                break;
+            }
+        }
+
+        $output .= '</ul></div>';
+        return $output;
+    }
+}

www/analytics/plugins/ExampleRssWidget/plugin.json

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+{
+    "name": "ExampleRssWidget",
+    "description": "Example Plugin: This plugin showcases how to create a new widget that displays a user submitted RSS feed.",
+    "version": "1.0",
+    "keywords": ["example", "feed", "widget"],
+    "homepage": "http://piwik.org",
+    "license": "GPL v3+",
+    "authors": [
+        {
+            "name": "Piwik",
+            "email": "hello@piwik.org",
+            "homepage": "http://piwik.org"
+        }
+    ]
+}

www/analytics/plugins/ExampleRssWidget/stylesheets/rss.less

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+.rss ul {
+    list-style: none outside none;
+    padding: 0;
+}
+
+.rss li {
+    line-height: 140%;
+    margin: 0.5em 0 1em;
+}
+
+.rss-title, .rss-date {
+    float: left;
+    font-size: 14px;
+    line-height: 140%;
+}
+
+.rss-title {
+    color: #2583AD;
+    margin: 0 0.5em 0.2em 0;
+    font-weight: bold;
+}
+
+.rss-date {
+    color: #999999;
+    margin: 0;
+}
+
+.rss-content, .rss-description {
+    clear: both;
+    line-height: 1.5em;
+    font-size: 11px;
+    color: #333333;
+}