From d0da85c27c2a97173dd997f7f2a29f09556698ed Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@bah.spb.su>
Date: Sat, 13 Dec 2008 12:57:53 +0100
Subject: [PATCH] preliminary UI work on date checking filter (refs #225)

---
 functions.js             | 82 ++++++++++++++++++++++++++++++++++++++++
 modules/backend-rpc.php  | 18 +++++++++
 modules/popup-dialog.php | 17 ++++++++-
 sanity_check.php         |  2 +-
 4 files changed, 116 insertions(+), 3 deletions(-)

diff --git a/functions.js b/functions.js
index 77c5c13b1..9456a6a25 100644
--- a/functions.js
+++ b/functions.js
@@ -1523,6 +1523,39 @@ function getFeedName(id, is_cat) {
 	}
 }
 
+function filterDlgCheckType(sender) {
+
+	try {
+
+		var ftype = sender[sender.selectedIndex].value;
+
+		var form = document.forms["filter_add_form"];
+	
+		if (!form) {
+			form = document.forms["filter_edit_form"];
+		}
+
+		if (!form) {
+			debug("filterDlgCheckType: can't find form!");
+			return;
+		}
+
+		// if selected filter type is 5 (Date) enable the modifier dropbox
+		if (ftype == 5) {
+			Element.show("filter_dlg_date_mod_box");
+			Element.show("filter_dlg_date_chk_box");
+		} else {
+			Element.hide("filter_dlg_date_mod_box");
+			Element.hide("filter_dlg_date_chk_box");
+
+		}
+
+	} catch (e) {
+		exception_error("filterDlgCheckType", e);
+	}
+
+}
+
 function filterDlgCheckAction(sender) {
 
 	try {
@@ -1560,6 +1593,55 @@ function filterDlgCheckAction(sender) {
 
 }
 
+function filterDlgCheckDate() {
+	try {
+		var form = document.forms["filter_add_form"];
+	
+		if (!form) {
+			form = document.forms["filter_edit_form"];
+		}
+
+		if (!form) {
+			debug("filterDlgCheckAction: can't find form!");
+			return;
+		}
+
+		var reg_exp = form.reg_exp.value;
+
+		var query = "backend.php?op=rpc&subop=checkDate&date=" + reg_exp;
+
+		new Ajax.Request(query, {
+			onComplete: function(transport) { 
+
+				var form = document.forms["filter_add_form"];
+	
+				if (!form) {
+					form = document.forms["filter_edit_form"];
+				}
+
+				if (transport.responseXML) {
+					var result = transport.responseXML.getElementsByTagName("result")[0];
+
+					if (result && result.firstChild) {
+						if (result.firstChild.nodeValue == "1") {
+
+							new Effect.Highlight(form.reg_exp, {startcolor : '#00ff00'});
+
+							return;
+						}
+					}
+				}
+
+				new Effect.Highlight(form.reg_exp, {startcolor : '#ff0000'});
+
+			} });
+
+
+	} catch (e) {
+		exception_error("filterDlgCheckDate", e);
+	}
+}
+
 function explainError(code) {
 	return displayDlg("explainError", code);
 }
diff --git a/modules/backend-rpc.php b/modules/backend-rpc.php
index 2b3fe8726..75e4f946e 100644
--- a/modules/backend-rpc.php
+++ b/modules/backend-rpc.php
@@ -429,6 +429,24 @@
 			return;
 		}
 
+		if ($subop == "checkDate") {
+
+			$date = db_escape_string($_REQUEST["date"]);
+			$date_parsed = strtotime($date);
+
+			print "<rpc-reply>";
+
+			if ($date_parsed) {
+				print "<result>1</result>";
+			} else {
+				print "<result>0</result>";
+			}
+
+			print "</rpc-reply>";
+
+			return;
+		}
+
 		print "<rpc-reply><error>Unknown method: $subop</error></rpc-reply>";
 	}
 ?>
diff --git a/modules/popup-dialog.php b/modules/popup-dialog.php
index f86dd3db0..ea74eb583 100644
--- a/modules/popup-dialog.php
+++ b/modules/popup-dialog.php
@@ -358,13 +358,26 @@
 
 			print "<div class=\"dlgSecCont\">";
 
+			print "<span id=\"filter_dlg_date_mod_box\" style=\"display : none\">";
+			print "<select name=\"filter_date_modifier\">";
+			print "<option name=\"before\">".__('Before')."</option>";
+			print "<option name=\"after\">".__('After')."</option>";
+			print "</select>&nbsp;</span>";
+
 			print "<input onkeypress=\"return filterCR(event, createFilter)\"
 					 onkeyup=\"toggleSubmitNotEmpty(this, 'infobox_submit')\"
 					 onchange=\"toggleSubmitNotEmpty(this, 'infobox_submit')\"
 					 name=\"reg_exp\" size=\"30\" value=\"$reg_exp\">";
 
-			print " " . __("on field") . " ";
-			print_select_hash("filter_type", 1, $filter_types);
+			print "<span id=\"filter_dlg_date_chk_box\" style=\"display : none\">";			
+			print "&nbsp;<input class=\"button\"
+				type=\"submit\" onclick=\"return filterDlgCheckDate()\" 
+				value=\"".__('Check Date')."\">";
+			print "</span>";
+
+			print "<br/> " . __("on field") . " ";
+			print_select_hash("filter_type", 1, $filter_types,
+				'onchange="filterDlgCheckType(this)"');
 
 			print "<br/>";
 
diff --git a/sanity_check.php b/sanity_check.php
index e84fb9f86..16819fa6a 100644
--- a/sanity_check.php
+++ b/sanity_check.php
@@ -2,7 +2,7 @@
 	require_once "functions.php";
 
 	define('EXPECTED_CONFIG_VERSION', 17);
-	define('SCHEMA_VERSION', 45);
+	define('SCHEMA_VERSION', 46);
 
 	if (!file_exists("config.php")) {
 		print __("<b>Fatal Error</b>: You forgot to copy