From 21cda6136548a46670ca84fae76a046f57927115 Mon Sep 17 00:00:00 2001
From: cash <cash.costello@gmail.com>
Date: Sat, 2 Jul 2011 19:51:22 -0400
Subject: Fixes #3152 adds wrapping of views with comments

---
 mod/developers/actions/developers/settings.php     |  2 +-
 mod/developers/languages/en.php                    |  2 ++
 mod/developers/start.php                           | 42 ++++++++++++++++++++--
 .../views/default/admin/developers/settings.php    |  6 ++++
 4 files changed, 49 insertions(+), 3 deletions(-)

diff --git a/mod/developers/actions/developers/settings.php b/mod/developers/actions/developers/settings.php
index 5a7f97cd3..f7caf859d 100644
--- a/mod/developers/actions/developers/settings.php
+++ b/mod/developers/actions/developers/settings.php
@@ -24,7 +24,7 @@ if ($debug) {
 	unset_config('debug', $site->getGUID());
 }
 
-$simple_settings = array('display_errors', 'screen_log', 'show_strings');
+$simple_settings = array('display_errors', 'screen_log', 'show_strings', 'wrap_views');
 foreach ($simple_settings as $setting) {
 	elgg_set_plugin_setting($setting, get_input($setting), 'developers');
 }
diff --git a/mod/developers/languages/en.php b/mod/developers/languages/en.php
index 827eb6ba3..a20241eff 100644
--- a/mod/developers/languages/en.php
+++ b/mod/developers/languages/en.php
@@ -25,6 +25,8 @@ $english = array(
 	'developers:help:screen_log' => "This displays elgg_log() and elgg_dump() output on the web page.",
 	'developers:label:show_strings' => "Show raw translation strings",
 	'developers:help:show_strings' => "This displays the translation strings used by elgg_echo().",
+	'developers:label:wrap_views' => "Wrap views",
+	'developers:help:wrap_views' => "This wraps almost every view with HTML comments. Useful for finding the view creating particular HTML.",
 
 	'developers:debug:off' => 'Off',
 	'developers:debug:error' => 'Error',
diff --git a/mod/developers/start.php b/mod/developers/start.php
index b864bca1e..27a14b336 100644
--- a/mod/developers/start.php
+++ b/mod/developers/start.php
@@ -43,8 +43,12 @@ function developers_process_settings() {
 
 	if (elgg_get_plugin_setting('show_strings', 'developers') == 1) {
 		// first and last in case a plugin registers a translation in an init method
-		register_elgg_event_handler('init', 'system', 'developers_clear_strings', 1000);
-		register_elgg_event_handler('init', 'system', 'developers_clear_strings', 1);
+		elgg_register_event_handler('init', 'system', 'developers_clear_strings', 1000);
+		elgg_register_event_handler('init', 'system', 'developers_clear_strings', 1);
+	}
+
+	if (elgg_get_plugin_setting('wrap_views', 'developers') == 1) {
+		register_plugin_hook('view', 'all', 'developers_wrap_views');
 	}
 }
 
@@ -67,6 +71,40 @@ function developers_clear_strings() {
 	$CONFIG->translations['en'] = array();
 }
 
+/**
+ * Post-process a view to add wrapper comments to it
+ */
+function developers_wrap_views($hook, $type, $result, $params) {
+	if (elgg_get_viewtype() != "default") {
+		return;
+	}
+
+	$excluded_bases = array('css', 'js', 'input', 'output', 'embed', 'icon',);
+
+	$excluded_views = array(
+		'page/default',
+		'page/admin',
+		'page/elements/head',
+	);
+
+	$view = $params['view'];
+
+	$view_hierarchy = explode('/',$view);
+	if (in_array($view_hierarchy[0], $excluded_bases)) {
+		return;
+	}
+
+	if (in_array($view, $excluded_views)) {
+		return;
+	}
+
+	if ($result) {
+		$result = "<!-- developers:begin $view -->$result<!-- developers:end $view -->";
+	}
+
+	return $result;
+}
+
 /**
  * Serve the theme preview pages
  *
diff --git a/mod/developers/views/default/admin/developers/settings.php b/mod/developers/views/default/admin/developers/settings.php
index a1ae6c186..d463955b6 100644
--- a/mod/developers/views/default/admin/developers/settings.php
+++ b/mod/developers/views/default/admin/developers/settings.php
@@ -44,6 +44,12 @@ $data = array(
 		'value' => 1,
 		'checked' => elgg_get_plugin_setting('show_strings', 'developers') == 1,
 	),
+
+	'wrap_views' => array(
+		'type' => 'checkbox',
+		'value' => 1,
+		'checked' => elgg_get_plugin_setting('wrap_views', 'developers') == 1,
+	),
 );
 
 $form_vars = array('id' => 'developer-settings-form');
-- 
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