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<?php
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// $Id: aggregator2_logo.module,v 1.4 2006/07/20 10:15:14 ahwayakchih Exp $
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/*
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* Aggregator2 Logo filter
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*
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* @file
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* Adds Aggregator2 logo link to feed and it's items body.
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* @author ahwayakchih <ahwayakchih@gmail.com>
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*/
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/**
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* Implementation of hook_help().
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*/
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function aggregator2_logo_help($section) {
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switch ($section) {
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case 'admin/modules#description':
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return t('Adds logo image to feed and its items body.');
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case 'admin/settings/aggregator2_logo':
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return '<p>' . t('If the %url include %image or %logo tag information,
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then this module will automatically add link with image (generated by aggregator2 module)
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to text content of feed and/or it\'s items.<br />Image link will be shown only if "Show full article/source site link" option of feed allows that.', array('%url' => l('RSS feeds you are aggregating', 'admin/aggregator2'), '%image' => theme('placeholder', '<image>'), '%logo' => theme('placeholder', '<logo>'))). '</p>';
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}
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}
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/**
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* Implementation of hook_nodeapi().
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*/
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function aggregator2_logo_nodeapi(&$node, $op, $teaser = NULL, $page = NULL) {
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if ($node->type == 'aggregator2_item' && $op == 'load' && !$node->image) {
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// 'Cache' logos, so we don't run SQL query for each item when they have are from the same feed
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global $aggregator2_feed_logos;
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if (!$aggregator2_feed_logos[$node->fid]) {
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$aggregator2_feed_logos[$node->fid] = db_result(db_query('SELECT image FROM {aggregator2_feed} WHERE nid = %d', $node->fid));
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}
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$node->image = $aggregator2_feed_logos[$node->fid];
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}
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if (($node->type != 'aggregator2_item' && $node->type != 'aggregator2-feed') || $op != 'view' || !$node->image) {
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return;
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}
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if (($node->type == 'aggregator2_item' && !variable_get('aggregator2_logo_items', 0))
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|| ($node->type == 'aggregator2_feed' && !variable_get('aggregator2_logo_feed', 0))) {
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return;
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}
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if (($node->item_show_link == AGGREGATOR2_SHOW_LINK_ALWAYS) ||
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($teaser && $node->item_show_link == AGGREGATOR2_SHOW_LINK_TEASER_ONLY) ||
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(!$teaser && $node->item_show_link == AGGREGATOR2_SHOW_LINK_PAGE_ONLY)) {
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if ($teaser) {
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$node->teaser = theme('feed_logo', $node->image).$node->teaser;
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}
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else {
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$node->body = theme('feed_logo', $node->image).$node->body;
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}
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}
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}
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/**
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* Implementation of hook_settings().
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*/
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function aggregator2_logo_settings() {
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$form['aggregator2_logo_feed'] = array(
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'#type' => 'checkbox',
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'#title' => t('Add image to feed description'),
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'#default_value' => variable_get('aggregator2_logo_feed', 0),
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'#description' => t('If enabled, feed nodes will be shown with feed logo link added to their description.'),
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);
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$form['aggregator2_logo_items'] = array(
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'#type' => 'checkbox',
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'#title' => t('Add image to feed items description'),
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'#default_value' => variable_get('aggregator2_logo_items', 0),
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'#description' => t('If enabled, feed items will be shown with feed logo link added to their description.'),
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);
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return $form;
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}
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/**
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* Theme feed logo/link.
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*/
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function theme_feed_logo(&$image) {
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return '<div class="feed_logo">'.$image.'</div>';
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}
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