From b14ccf027f714200870dcc3e8271cc19b27c9590 Mon Sep 17 00:00:00 2001
From: Jason Skomorowski <jason@indexdata.com>
Date: Tue, 16 Nov 2010 06:30:18 +0100
Subject: [PATCH] Towards facets.

---
 mkdru-page.tpl.php |    2 +-
 mkdru.client.js    |   36 ++++++++++++++++++++++++++++++++++--
 2 files changed, 35 insertions(+), 3 deletions(-)

diff --git a/mkdru-page.tpl.php b/mkdru-page.tpl.php
index 0595341..23e0630 100644
--- a/mkdru-page.tpl.php
+++ b/mkdru-page.tpl.php
@@ -5,7 +5,7 @@
      <td>
       <form class="mkdru-search">
        <input type="text" size="50"/>
-       <input id="button" type="button" value="Search"/>
+       <input type="submit" value="Search"/>
       </form>
      </td>
      <td>
diff --git a/mkdru.client.js b/mkdru.client.js
index 0ca107f..ae1ccca 100644
--- a/mkdru.client.js
+++ b/mkdru.client.js
@@ -65,6 +65,21 @@ mkdru.pz2Term = function (data) {
                            'mkdru-facet-link-author', data.author[i].id);
     }
     $('#mkdru-authors').html(html);
+
+    $('.mkdru-facet-link-source').bind('click', function (e) {
+      mkdru.limitTarget(this.getAttribute('target_id'), this.firstChild.nodeValue);
+      return false;
+    });
+
+    $('.mkdru-facet-link-subject').bind('click', function (e) {
+      mkdru.limitQuery('su', this.firstChild.nodeValue);
+      return false;
+    });
+
+    $('.mkdru-facet-link-author').bind('click', function (e) {
+      mkdru.limitQuery('au', this.firstChild.nodeValue);
+      return false;
+    });
 };
 
 mkdru.pz2ByTarget = function (data) {
@@ -79,6 +94,7 @@ mkdru.submitQuery = function () {
 //   mkdru.resetPage();
 //   mkdru.pollDropDowns();
   mkdru.search();
+  return false;
 };
 
 mkdru.search = function () {
@@ -95,7 +111,23 @@ mkdru.pollDropDowns = function () {
 };
 
 mkdru.limitQuery = function (field, value) {
-  
+  $('.mkdru-search input:text').attr('value', function () {
+    return this.value += ' and ' + field + '="' + value + '"';
+  });
+  mkdru.submitQuery();
+};
+
+mkdru.limitTarget = function (id, name) {    
+  var navi = document.getElementById('mkdru-navi');
+  navi.innerHTML = 
+        'Source: <a class="crossout" href="#" onclick="delimitTarget();return false;">'
+        + name + '</a>';
+  navi.innerHTML += '<hr/>';
+  mkdru.curFilter = 'pz:id=' + id;
+  mkdru.resetPage();
+  mkdru.pollDropDowns();
+  mkdru.search();
+  return false;
 };
 
 mkdru.resetPage = function () {
@@ -125,7 +157,7 @@ mkdru.prevPage = function () {
 // wait until the DOM is ready, bind events
 // and instantiate pz2 library
 $(document).ready(function () {
-  $('.mkdru-search input:button').bind('click', mkdru.submitQuery);
+  $('.mkdru-search').bind('submit', mkdru.submitQuery);
   $('.mkdru-search input:text').attr('value', '');
   $('#mkdru-perpage').bind('change', function () { mkdru.pollDropDowns() });
   $('#mkdru-sort').bind('change', function () { mkdru.pollDropDowns() });
-- 
1.7.10.4