From cc4fc79f79c7984dcd46367a677cce664cb9d9b7 Mon Sep 17 00:00:00 2001
From: Jeff Godin <jgodin@tadl.org>
Date: Tue, 21 May 2013 12:21:33 -0400
Subject: [PATCH] Add Video Games as an item type

This makes use of a genre facet / search index on "game".

We're abusing the fi:format of mVG- to distinguish between
video games and other m- selections.

Our approach may change in the future. This is a little bit of a
hack.

Signed-off-by: Jeff Godin <jgodin@tadl.org>
---
 .../opac/parts/item_format_selector.tt2            |  1 +
 templates_tadlskin/opac/parts/js.tt2               | 32 ++++++++++++++++++++++
 2 files changed, 33 insertions(+)

diff --git a/templates_tadlskin/opac/parts/item_format_selector.tt2 b/templates_tadlskin/opac/parts/item_format_selector.tt2
index a1e67c3117..af7ff8a1ac 100644
--- a/templates_tadlskin/opac/parts/item_format_selector.tt2
+++ b/templates_tadlskin/opac/parts/item_format_selector.tt2
@@ -9,6 +9,7 @@ item_formats = [
     { 'code' => 'g', 'value' => 'Video Recordings' },
     { 'code' => 'j', 'value' => 'Music' },
     { 'code' => 'm', 'value' => 'Streaming Video and Online Books' },
+    { 'code' => 'mVG-', 'value' => 'Video Games' },
 ];
 %]
 
diff --git a/templates_tadlskin/opac/parts/js.tt2 b/templates_tadlskin/opac/parts/js.tt2
index df50a03559..880a4c85a4 100644
--- a/templates_tadlskin/opac/parts/js.tt2
+++ b/templates_tadlskin/opac/parts/js.tt2
@@ -77,4 +77,36 @@
 </script>
 [% END; # use_autosuggest %]
 
+[%- # Add an event handler to append a facet for subject|genre[game] if Video Games is chosen %]
+
+<script type="text/javascript">
+// handle the instance where Video Games is selected on page load
+dojo.addOnLoad(function() {
+	var item_format_selector = dojo.byId('item_format_selector');
+	var search_form = document.forms[0];
+	if (item_format_selector.value == 'mVG-') {
+		dojo.create('input', {id:"search_facet_field", name:"facet", type:"hidden", value: 'subject|genre[game]'}, search_form);
+	} else {
+		if (dojo.byId('search_facet_field')) {
+			dojo.destroy(dojo.byId('search_facet_field'));
+		}
+	}
+});
+
+// add an event handler for when Video Games is selected/de-selected
+dojo.addOnLoad(function() {
+	var item_format_selector = dojo.byId('item_format_selector');
+	item_format_selector.onchange=function () {
+		var search_form = document.forms[0];
+		if (this.value == 'mVG-') {
+			dojo.create('input', {id:"search_facet_field", name:"facet", type:"hidden", value: 'subject|genre[game]'}, search_form);
+		} else {
+			if (dojo.byId('search_facet_field')) {
+				dojo.destroy(dojo.byId('search_facet_field'));
+			}
+		}
+	}
+});
+</script>
+
 [%- END; # want_dojo -%]
-- 
2.11.0