From 0491f5070c2e1c0931aeb74d06cd47101e9fdcd9 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Wed, 10 Aug 2016 12:24:01 +0200
Subject: [baseconfig] Make shadow definition a json (sub)object; fix some
 display errors

---
 .../baseconfig/inc/baseconfigutil.inc.php          | 22 ++++++++++++
 modules-available/baseconfig/page.inc.php          | 41 ++++++++++++----------
 modules-available/baseconfig/templates/_page.html  | 36 +++++++++----------
 3 files changed, 63 insertions(+), 36 deletions(-)

(limited to 'modules-available/baseconfig')

diff --git a/modules-available/baseconfig/inc/baseconfigutil.inc.php b/modules-available/baseconfig/inc/baseconfigutil.inc.php
index ebaefbcf..75173ee6 100644
--- a/modules-available/baseconfig/inc/baseconfigutil.inc.php
+++ b/modules-available/baseconfig/inc/baseconfigutil.inc.php
@@ -47,4 +47,26 @@ class BaseConfigUtil
 		return $categories;
 	}
 
+	/**
+	 * Mark variables that would be shadowed according to the given values.
+	 *
+	 * @param $vars list of vars as obtained from BaseConfigUtil::getVariables()
+	 * @param $values key-value-pairs of variable assignments to work with
+	 */
+	public static function markShadowedVars(&$vars, $values) {
+		foreach ($vars as $key => &$var) {
+			if (!isset($var['shadows']))
+				continue;
+			foreach ($var['shadows'] as $triggerVal => $destSettings) {
+				if (isset($values[$key]) && $values[$key] !== $triggerVal)
+					continue;
+				foreach ($destSettings as $destSetting) {
+					if (isset($vars[$destSetting])) {
+						$vars[$destSetting]['shadowed'] = true;
+					}
+				}
+			}
+		}
+	}
+
 }
diff --git a/modules-available/baseconfig/page.inc.php b/modules-available/baseconfig/page.inc.php
index 9ff8c086..5e99f2a0 100644
--- a/modules-available/baseconfig/page.inc.php
+++ b/modules-available/baseconfig/page.inc.php
@@ -49,14 +49,16 @@ class Page_BaseConfig extends Page
 					Util::redirect('?do=BaseConfig');
 				}
 			}
-			//echo "<pre>";
-			//var_dump($_POST);
-			//echo "</pre>";
 			// Honor override/enabled checkbox
 			$override = Request::post('override', array());
 			// Load all existing config options to validate input
 			$vars = BaseConfigUtil::getVariables();
+			// First, handle shadowing so we don't create warnings for empty fields
+			BaseConfigUtil::markShadowedVars($vars, $newValues);
+			// Validate input
 			foreach ($vars as $key => $var) {
+				if (isset($var['shadowed']))
+					continue;
 				if ($this->targetModule === false) {
 					// Global mode
 					$params['enabled'] = (is_array($override) && isset($override[$key]) && $override[$key] === 'on') ? 1 : 0;
@@ -180,12 +182,13 @@ class Page_BaseConfig extends Page
 			//echo "</pre>";
 			$settings[$var['catid']]['settings'][$key] += array(
 				'item' => $this->makeInput(
-										$var['validator'],
-										$key,
-										$settings[$var['catid']]['settings'][$key]['displayvalue'],
-									   	$settings[$var['catid']]['settings'][$key]['shadows']
-			),
-				'description' => Util::markup(Dictionary::translateFileModule($var['module'], 'config-variables', $key))
+					$var['validator'],
+					$key,
+					$settings[$var['catid']]['settings'][$key]['displayvalue'],
+					$settings[$var['catid']]['settings'][$key]['shadows']
+				),
+				'description' => Util::markup(Dictionary::translateFileModule($var['module'], 'config-variables', $key)),
+				'setting' => $key,
 			);
 		}
 		//die();
@@ -264,10 +267,9 @@ class Page_BaseConfig extends Page
 	private function makeInput($validator, $setting, $current, $shadows)
 	{
 		/* for the html snippet we need: */
-		$tag = 'input';
-		$args = array('type' => 'text', 'class' => 'form-control', 'name' => "setting[$setting]", 'id' => $setting);
+		$args = array('class' => 'form-control', 'name' => "setting[$setting]", 'id' => $setting);
 		if (!empty($shadows)) {
-			$args['data-shadows'] = $shadows;
+			$args['data-shadows'] = json_encode($shadows);
 		}
 		$inner = "";
 		/* -- */
@@ -308,17 +310,20 @@ class Page_BaseConfig extends Page
 			$tag = 'select';
 			unset($args['type']);
 			$current = '';
+		} else {
+			// Everything else is a text input for now
+			$tag = 'input';
+			$args['value'] = $current;
+			$args['type'] = 'text';
+			/* Password field guessing */
+			if (stripos($validator, 'password') !== false) {
+				$args['type'] = Property::getPasswordFieldType();
+			}
 		}
 
 		/* multiinput: enter multiple free-form strings*/
 		if ($validator === 'multiinput') {
 			$args['class'] .= " multiinput";
-			$args['value'] = $current;
-		}
-
-		/* Password field guessing */
-		if (stripos($validator, 'password') !== false) {
-			$args['type'] = Property::getPasswordFieldType();
 		}
 
 		$output = "<$tag ";
diff --git a/modules-available/baseconfig/templates/_page.html b/modules-available/baseconfig/templates/_page.html
index 7bd5f6c9..11b8d8ee 100644
--- a/modules-available/baseconfig/templates/_page.html
+++ b/modules-available/baseconfig/templates/_page.html
@@ -70,27 +70,27 @@
 <script type="text/javascript">
 
 function updateShadows(e) {
-	var shadowStr = $(e).data('shadows');
+	var rules = $(e).data('shadows');
+	if (!rules) return;
 	var currentValue = $(e).val();
-	var rules = shadowStr.split(',');
-	rules.forEach(function(rule) {
-		var rule_parts = rule.split('->');
-		var triggerVal = rule_parts[0].trim();
-		var target = rule_parts[1].trim();
-		var inp = $('#' + target);
-		var selitem = inp.data('selitem');
-
-		if (currentValue === triggerVal) {
-			inp.prop('disabled', true);
-			if (selitem) selitem.disable();
-			$('#' + target + '.multilist').multiselect('disable');
-		} else {
-			inp.prop('disabled', false);
-			if (selitem) selitem.enable();
-			$('#' + target + '.multilist').multiselect('enable');
+	for (var triggerVal in rules) {
+		var targets = rules[triggerVal];
+		for (var i = 0; i < targets.length; ++i) {
+			var target = targets[i];
+			var inp = $('#' + target);
+			var selitem = inp.data('selitem');
 
+			if (currentValue === triggerVal) {
+				inp.prop('disabled', true);
+				if (selitem) selitem.disable();
+				$('#' + target + '.multilist').multiselect('disable');
+			} else {
+				inp.prop('disabled', false);
+				if (selitem) selitem.enable();
+				$('#' + target + '.multilist').multiselect('enable');
+			}
 		}
-	});
+	}
 }
 
 
-- 
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