Add existing module Code

youtuberotate.info

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+; $Id$
+name = "YouTube Movie Rotator"
+description = "Creates a block displaying a single random YouTube video from a user-provided list."
+core = 6.x

youtuberotate.install

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+<?php
+// $Id$ 
+
+/**
+ * @file
+ * Implement CCK's install/uninstall hooks.
+ */
+
+/**
+ * Implementation of hook_install().
+ */
+function youtuberotate_install() {
+	variable_set('youtuberotate_height', "238");
+	variable_set('youtuberotate_width', "296");
+	drupal_load('module', 'content');
+	content_notify('install', 'youtuberotate');
+}
+
+/**
+ * Implementation of hook_uninstall().
+ */
+function youtuberotate_uninstall() {
+	db_query("DELETE FROM {variable} WHERE name LIKE 'youtuberotate_%'");
+	drupal_load('module', 'content');
+	content_notify('uninstall', 'youtuberotate');
+}
+
+/**
+ * Implementation of hook_enable().
+ *
+ * Notify content module when this module is enabled.
+ */
+function youtuberotate_enable() {
+	drupal_load('module', 'content');
+	content_notify('enable', 'youtuberotate');
+}
+
+/**
+ * Implementation of hook_disable().
+ *
+ * Notify content module when this module is disabled.
+ */
+function youtuberotate_disable() {
+	drupal_load('module', 'content');
+	content_notify('disable', 'youtuberotate');
+}

youtuberotate.module

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+<?php
+// $Id$ 
+
+/**
+ * @file
+ * Creates block selecting a random YouTube video from a given list
+ */
+
+/**
+ * Valid permissions for this module
+  * @return array An array of valid permissions for the youtuberotate module
+ */
+function youtuberotate_perm() {
+	return array('access youtube rotator content', 'administer youtube rotator');
+}
+
+/**
+ *Create the admin form
+ */
+function youtuberotate_admin() {
+	$form = array();
+
+  	$form['settings']['youtuberotate_account'] = array(
+    	'#type' => 'textfield',
+	    '#title' => t('YouTube UserName'),
+    	'#default_value' => variable_get('youtuberotate_account'),
+	    '#size' => 20,
+	    '#description' => t("Enter the YouTube username for a link back to the YouTube page. This is used only for the url and will not be displayed to the user."),
+    	'#required' => FALSE,
+	);
+
+	$form['settings']['youtuberotate_displayname'] = array(
+    	'#type' => 'textfield',
+	    '#title' => t('YouTube Display Name'),
+    	'#default_value' => variable_get('youtuberotate_displayname'),
+	    '#size' => 20,
+	    '#description' => t("Enter the name of the YouTube account you would like it displayed to the user."),
+    	'#required' => FALSE,
+	);
+
+  	$form['settings']['youtuberotate_height'] = array(
+    	'#type' => 'textfield',
+	    '#title' => t('Video Height'),
+    	'#default_value' => variable_get('youtuberotate_height'),
+	    '#size' => 4,
+	    '#description' => t("Enter the height of the video in pixels."),
+    	'#required' => TRUE,
+	);
+
+	$form['settings']['youtuberotate_width'] = array(
+    	'#type' => 'textfield',
+	    '#title' => t('Video Width'),
+    	'#default_value' => variable_get('youtuberotate_width'),
+	    '#size' => 4,
+	    '#description' => t("Enter the width of the video in pixels."),
+    	'#required' => TRUE,
+	);
+
+  	$form['youtuberotate_movieids'] = array(
+    	'#type' => 'textarea',
+	    '#title' => t('List of YouTube Movie URLs'),
+    	'#default_value' => variable_get('youtuberotate_movieids'),
+	    '#cols' => 60,
+	    '#rows' => 10,
+    	'#resizable' => TRUE,
+	    '#description' => t("Enter the list of YouTube movie URLs (1 per line)."),
+    	'#required' => TRUE,
+	);
+
+  	return system_settings_form($form);
+}
+
+/**
+ *Create the menu item for the menu page
+ */
+function youtuberotate_menu() {
+
+  	$items = array();
+
+  	$items['admin/settings/youtuberotate'] = array(
+    	'title' => 'YouTube Rotator Settings',
+	    'description' => 'Administer YouTube Rotator Settings',
+    	'page callback' => 'drupal_get_form',
+	    'page arguments' => array('youtuberotate_admin'),
+    	'access arguments' => array('administer youtube rotator'),
+	    'type' => MENU_NORMAL_ITEM,
+   	);
+
+  	return $items;
+}
+
+/**
+ *Validate user input
+ */
+function youtuberotate_admin_validate($form, &$form_state) {
+	$movieStr = explode("\n",$form_state['values']['youtuberotate_movieids']);
+	$ct = 1;
+	foreach ($movieStr as &$value) {
+		$value = substr($value,0,strlen($value)-1);
+  		if (!valid_url($value,TRUE) || !strstr($value,'youtube.com')) {
+    		form_set_error('youtuberotate_movieids', t('The Movie <em>' . $value . '</em> on line ' . $ct . ' does not appear to be a valid YouTube movie.'));
+  		}
+  		$ct++;
+  	}
+}
+
+/**
+ *Create a block for displaying the videos
+ */
+function youtuberotate_block($op='list', $delta=0, $edit=array()) {
+	switch ($op) {
+		case 'list':
+			$blocks[0]['info'] = t('YouTube Rotator');
+			return $blocks;
+			break;
+		case 'view':
+			$blocks['subject'] = t('YouTube Video Rotator');
+			$blocks['content'] = youtuberotate_content();
+			return $blocks;
+			break;
+	}
+}
+
+/**
+ *Display the video in the block
+ */
+function youtuberotate_content() {
+
+	$movieStr = explode("\n",variable_get('youtuberotate_movieids',0));
+	$chosen = array_rand($movieStr,1);
+	$movieUrl = $movieStr[$chosen];
+	if (strstr($movieUrl, "watch")) {
+		$eSign = strpos($movieUrl,"=") + 1;
+		$movieUrl = substr($movieUrl,$eSign,strlen($movieUrl));
+	} else {
+		$eSign = strrpos($movieUrl,"/") + 1;
+		$movieUrl = substr($movieUrl,$eSign,strlen($movieUrl));
+	}
+
+	if (strlen(variable_get('youtuberotate_account',0)) > 1) {	
+		$ytMoreLink = '<a href="http://www.youtube.com/thesiucaviation" target="_blank">View all ' . variable_get('youtuberotate_displayname',"our") . ' videos</a>';
+	}
+
+	return '<object data="http://www.youtube.com/v/' . $movieUrl . '?rel=0" style="width: ' . variable_get('youtuberotate_width',0) . 'px; height: ' . variable_get('youtuberotate_height',0) . 'px;" type="application/x-shockwave-flash"><param name="movie" value="http://www.youtube.com/v/' . $movieUrl . '?rel=0" />
+	<span>It appears you do not have the <a href="http://www.adobe.com/products/flashplayer/" title="Flash Plugin" rel="external">Flash</a> plugin installed. Flash is required to view this SIUC Aviation video.</span> </object>' . $ytMoreLink;
+
+
+}