Add undo button for drag and drop reordering

1 files changed, 21 insertions, 2 deletions

diff --git a/usr/local/www/firewall_rules.php b/usr/local/www/firewall_rules.php
index cd358da..704f394 100755
--- a/usr/local/www/firewall_rules.php
+++ b/usr/local/www/firewall_rules.php
@@ -126,7 +126,17 @@ if($_REQUEST['dragdroporder']) {
 	$config = write_config("Drag and drop firewall rules ordering update.");
 	// Redirect back to page
 	mark_subsystem_dirty('filter');
-	Header("Location: firewall_rules.php?if=" . $_REQUEST['if']);
+	$undo = array();
+	foreach($_REQUEST['dragtable'] as $dt) 
+		$undo[] = "";
+	$counter = 0;
+	foreach($_REQUEST['dragtable'] as $dt) {
+		$undo[$dt] = $counter;
+		$counter++;
+	}
+	foreach($undo as $dt) 
+		$undotxt .= "&dragtable[]={$dt}";
+	Header("Location: firewall_rules.php?if=" . $_REQUEST['if'] . "&undodrag=true" . $undotxt);
 	exit;
 }
 
@@ -286,7 +296,16 @@ echo "<script type=\"text/javascript\" language=\"javascript\" src=\"/javascript
 </script>
 <?php if ($savemsg) print_info_box($savemsg); ?>
 <?php if (is_subsystem_dirty('filter')): ?><p>
-<?php print_info_box_np("The firewall rule configuration has been changed.<br>You must apply the changes in order for them to take effect.");?><br>
+<?php
+if($_REQUEST['undodrag']) {
+	foreach($_REQUEST['dragtable'] as $dt) 
+		$dragtable .= "&dragtable[]={$dt}";
+	print_info_box_np_undo("The firewall rule configuration has been changed.<br>You must apply the changes in order for them to take effect.", "apply" , "Apply changes" , "firewall_rules.php?if={$_REQUEST['if']}&dragdroporder=true&{$dragtable}");
+} else {
+	print_info_box_np("The firewall rule configuration has been changed.<br>You must apply the changes in order for them to take effect.");
+}
+?>
+<br>
 <?php endif; ?>
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