added logging to the web page footer

7 files changed, 88 insertions, 0 deletions

diff --git a/mod/developers/actions/developers/settings.php b/mod/developers/actions/developers/settings.php
index d8be34866..9fa96fa91 100644
--- a/mod/developers/actions/developers/settings.php
+++ b/mod/developers/actions/developers/settings.php
@@ -18,6 +18,7 @@ if (get_input('view_path_cache')) {
 }
 
 elgg_set_plugin_setting('display_errors', get_input('display_errors'), 'developers');
+elgg_set_plugin_setting('screen_log', get_input('screen_log'), 'developers');
 
 $debug = get_input('debug_level');
 if ($debug) {
@@ -26,4 +27,6 @@ if ($debug) {
 	unset_config('debug', $site->getGUID());
 }
 
+system_message(elgg_echo('developers:settings:success'));
+
 forward(REFERER);
diff --git a/mod/developers/classes/ElggLogCache.php b/mod/developers/classes/ElggLogCache.php
new file mode 100644
index 000000000..19df598d7
--- /dev/null
+++ b/mod/developers/classes/ElggLogCache.php
@@ -0,0 +1,43 @@
+<?php
+/**
+ * Cache logging information for later display
+ *
+ */
+
+class ElggLogCache {
+	protected $cache;
+
+	public function __construct() {
+		$this->cache = array();
+	}
+
+	/**
+	 * Insert into cache
+	 * 
+	 * @param mixed $data The log data to cache
+	 */
+	public function insert($data) {
+		$this->cache[] = $data;
+	}
+
+	/**
+	 * Insert into cache from plugin hook
+	 * 
+	 * @param string $hook
+	 * @param string $type
+	 * @param bool   $result 
+	 * @param array  $params Must have the data at $params['msg']
+	 */
+	public function insertDump($hook, $type, $result, $params) {
+		$this->insert($params['msg']);
+	}
+
+	/**
+	 * Get the cache
+	 *
+	 * @return array
+	 */
+	public function get() {
+		return $this->cache;
+	}
+}
diff --git a/mod/developers/languages/en.php b/mod/developers/languages/en.php
index dc763765c..053eed04f 100644
--- a/mod/developers/languages/en.php
+++ b/mod/developers/languages/en.php
@@ -21,6 +21,8 @@ $english = array(
 	'developers:help:debug_level' => "This controls the amount of information logged. See elgg_log() for more information.",
 	'developers:label:display_errors' => 'Display fatal PHP errors',
 	'developers:help:display_errors' => "By default, Elgg's .htaccess file supresses the display of fatal errors.",
+	'developers:label:screen_log' => "Log to the screen",
+	'developers:help:screen_log' => "This displays elgg_log() and elgg_dump() output on the web page.",
 
 	'developers:debug:off' => 'Off',
 	'developers:debug:error' => 'Error',
@@ -41,6 +43,9 @@ $english = array(
 	'theme_preview:modules' => 'Modules',
 	'theme_preview:navigation' => 'Navigation',
 	'theme_preview:typography' => 'Typography',
+
+	// status messages
+	'developers:settings:success' => 'Settings saved',
 );
 
 add_translation('en', $english);
diff --git a/mod/developers/start.php b/mod/developers/start.php
index a53b7eec4..23b82d9db 100644
--- a/mod/developers/start.php
+++ b/mod/developers/start.php
@@ -12,6 +12,7 @@ function developers_init() {
 	elgg_register_event_handler('pagesetup', 'system', 'developers_setup_menu');
 
 	elgg_extend_view('css/admin', 'developers/css');
+	elgg_extend_view('css/elgg', 'developers/css');
 
 	elgg_register_page_handler('theme_preview', 'developers_theme_preview_controller');
 
@@ -32,6 +33,13 @@ function developers_process_settings() {
 	} else {
 		ini_set('display_errors', 0);
 	}
+
+	if (elgg_get_plugin_setting('screen_log', 'developers') == 1) {
+		$cache = new ElggLogCache();
+		elgg_set_config('log_cache', $cache);
+		elgg_register_plugin_hook_handler('debug', 'log', array($cache, 'insertDump'));
+		elgg_extend_view('page/elements/foot', 'developers/log');
+	}
 }
 
 function developers_setup_menu() {
diff --git a/mod/developers/views/default/admin/developers/settings.php b/mod/developers/views/default/admin/developers/settings.php
index 705ad00c6..3843c2c30 100644
--- a/mod/developers/views/default/admin/developers/settings.php
+++ b/mod/developers/views/default/admin/developers/settings.php
@@ -8,6 +8,7 @@ $sections = array(
 	'view_path_cache' => 'checkbox',
 	'display_errors' => 'checkbox',
 	'debug_level' => 'pulldown',
+	'screen_log' => 'checkbox',
 );
 
 $data = array(
@@ -39,6 +40,12 @@ $data = array(
 			'NOTICE' => elgg_echo('developers:debug:notice'),
 		),
 	),
+
+	'screen_log' => array(
+		'type' => 'checkbox',
+		'value' => 1,
+		'checked' => elgg_get_plugin_setting('screen_log', 'developers') == 1,
+	),
 );
 
 $form_vars = array('id' => 'developer-settings-form');
diff --git a/mod/developers/views/default/developers/css.php b/mod/developers/views/default/developers/css.php
index 3aa226d0a..4690945a9 100644
--- a/mod/developers/views/default/developers/css.php
+++ b/mod/developers/views/default/developers/css.php
@@ -15,3 +15,9 @@
 .elgg-page .jstree-default.jstree-focused {
 	background-color: transparent;
 }
+.developers-log {
+	background-color: #EBF5FF;
+	border: 1px solid #999;
+	color: #666;
+	padding: 20px;
+}
diff --git a/mod/developers/views/default/developers/log.php b/mod/developers/views/default/developers/log.php
new file mode 100644
index 000000000..eca2b4b67
--- /dev/null
+++ b/mod/developers/views/default/developers/log.php
@@ -0,0 +1,16 @@
+<?php
+/**
+ * Logging information
+ */
+
+$cache = elgg_get_config('log_cache');
+$items = $cache->get();
+
+echo '<div class="developers-log">';
+foreach ($items as $item) {
+	echo '<pre>';
+	print_r($item);
+	echo '</pre>';
+}
+
+echo '</div>';
\ No newline at end of file