From 630d57aa4d017cca3d12f234497e9832005c3ded Mon Sep 17 00:00:00 2001
From: Egil Moeller <egil.moller@freecode.no>
Date: Sat, 17 Apr 2010 00:16:58 +0200
Subject: Fixed so that parts of a URL query can be modified w/o affecting the
 rest of the query

---
 etherpad/src/etherpad/helpers.js                   | 26 ++++++++++++++++++++++
 .../twitterStyleTags/controllers/tagBrowser.js     |  2 +-
 .../twitterStyleTags/templates/tagBrowser.ejs      | 12 +++++-----
 .../plugins/urlIndexer/controllers/urlBrowser.js   |  4 ++--
 .../plugins/urlIndexer/templates/urlBrowser.ejs    |  4 ++--
 5 files changed, 37 insertions(+), 11 deletions(-)

diff --git a/etherpad/src/etherpad/helpers.js b/etherpad/src/etherpad/helpers.js
index aec3bc3..54bee2d 100644
--- a/etherpad/src/etherpad/helpers.js
+++ b/etherpad/src/etherpad/helpers.js
@@ -278,3 +278,29 @@ function rafterTerminationDate() {
   return "March 31, 2010";
 }
 
+function updateToUrl(setParams, deleteParams, setPath) {
+  var params = {};
+
+  for (param in request.params)
+    if (deleteParams === undefined || deleteParams.indexOf(param) == -1)
+      params[param] = request.params[param];
+
+  if (setParams !== undefined)
+    for (param in setParams)
+      params[param] = setParams[param];
+
+  var path = request.path;
+  if (setPath !== undefined)
+    path = setPath;
+
+  var paramStr = '';
+  for (param in params) {
+    if (paramStr == '')
+      paramStr += '?';
+    else
+      paramStr += '&';
+    paramStr += param + '=' + params[param];
+  }
+
+  return path + paramStr;
+}
\ No newline at end of file
diff --git a/etherpad/src/plugins/twitterStyleTags/controllers/tagBrowser.js b/etherpad/src/plugins/twitterStyleTags/controllers/tagBrowser.js
index f0b7470..5335ab7 100644
--- a/etherpad/src/plugins/twitterStyleTags/controllers/tagBrowser.js
+++ b/etherpad/src/plugins/twitterStyleTags/controllers/tagBrowser.js
@@ -34,7 +34,7 @@ import("sqlbase.sqlobj");
 import("etherpad.pad.padutils");
 
 
-function onRequest() {  
+function onRequest() {
   var tags = tagQuery.queryToTags(request.params.query);
 
   /* Create the pad filter sql */
diff --git a/etherpad/src/plugins/twitterStyleTags/templates/tagBrowser.ejs b/etherpad/src/plugins/twitterStyleTags/templates/tagBrowser.ejs
index c5b6215..ea1076e 100644
--- a/etherpad/src/plugins/twitterStyleTags/templates/tagBrowser.ejs
+++ b/etherpad/src/plugins/twitterStyleTags/templates/tagBrowser.ejs
@@ -18,7 +18,7 @@ limitations under the License. */ %>
  helpers.setHtmlTitle("EtherPad: Browse tags");
  helpers.includeCss("plugins/twitterStyleTags/tagBrowser.css");
  helpers.includeCss("plugins/twitterStyleTags/pad.css");
- helpers.addToHead('\n<link rel="alternate" href="/ep/tag/?query=' + tagQuery.tagsToQuery(tags, antiTags) + '&format=rss" type="application/rss+xml" title="Query results as RSS" />\n');
+ helpers.addToHead('\n<link rel="alternate" href="' + helpers.updateToUrl({format:'rss'}) + '" type="application/rss+xml" title="Query results as RSS" />\n');
 
  function inArray(item, arr) {
    for (var i = 0; i < arr.length; i++)
@@ -59,10 +59,10 @@ limitations under the License. */ %>
       Latest changed pads
     <% } else { %>
       <% for (i = 0; i < tags.length; i++) { %>
-	<a href="/ep/tag/?query=<%= tagQuery.tagsToQuery(tags.filter(function (tag) { return tag != tags[i]}), antiTags) %>" class="padtag" title="<%= tags[i] %> matches">#<%= tags[i] %></a>
+	<a href="<%= helpers.updateToUrl({query:tagQuery.tagsToQuery(tags.filter(function (tag) { return tag != tags[i]}), antiTags)}) %>" class="padtag" title="<%= tags[i] %> matches">#<%= tags[i] %></a>
       <% } %>
       <% for (i = 0; i < antiTags.length; i++) { %>
-	<a href="/ep/tag/?query=<%= tagQuery.tagsToQuery(tags, antiTags.filter(function (tag) { return tag != antiTags[i]})) %>" class="anti_padtag" title="<%= antiTags[i] %> matches">!#<%= antiTags[i] %></a>
+	<a href="<%= helpers.updateToUrl({query:tagQuery.tagsToQuery(tags, antiTags.filter(function (tag) { return tag != antiTags[i]}))}) %>" class="anti_padtag" title="<%= antiTags[i] %> matches">!#<%= antiTags[i] %></a>
       <% } %>
     <% } %>
   </td>
@@ -74,12 +74,12 @@ limitations under the License. */ %>
     <%: template.use('queryRefiner', function() { var ejs_data=''; %>
      <h1>Search for pads that have the tag</h1>
      <% for (i = 0; i < newTags.length; i++) { %>
-      <a href="/ep/tag/?query=<%= tagQuery.tagsToQuery(tags.concat([newTags[i].tagname]),antiTags) %>" class="padtag" title="<%= newTags[i].matches %> matches">#<%= newTags[i].tagname %></a>
+      <a href="<%= helpers.updateToUrl({query:tagQuery.tagsToQuery(tags.concat([newTags[i].tagname]),antiTags)}) %>" class="padtag" title="<%= newTags[i].matches %> matches">#<%= newTags[i].tagname %></a>
      <% } %>
 
      <h1>Search for pads that <em>don't</em> have the tag</h1>
      <% for (i = 0; i < newTags.length; i++) { %>
-      <a href="/ep/tag/?query=<%= tagQuery.tagsToQuery(tags,antiTags.concat([newTags[i].tagname])) %>" class="anti_padtag" title="<%= newTags[i].antimatches %> matches">!#<%= newTags[i].tagname %></a>
+      <a href="<%= helpers.updateToUrl({query:tagQuery.tagsToQuery(tags,antiTags.concat([newTags[i].tagname]))}) %>" class="anti_padtag" title="<%= newTags[i].antimatches %> matches">!#<%= newTags[i].tagname %></a>
      <% } %>
     <% return ejs_data; }); %>
    </div>
@@ -98,7 +98,7 @@ limitations under the License. */ %>
       <dt><a href="/<%= matchingPadUrl %>"><%= matchingPadId %></a><dt>
       <dd>
        <% for (j = 0; j < matchingPads[i].TAGS.length; j++) { %>
-	<a href="/ep/tag/?query=<%= tagQuery.tagsToQuery(tags.concat([matchingPads[i].TAGS[j]]), antiTags) %>" class="padtag" title="<%= matchingPads[i].TAGS[j] %> matches">#<%= matchingPads[i].TAGS[j] %></a>
+	<a href="<%= helpers.updateToUrl({query:tagQuery.tagsToQuery(tags.concat([matchingPads[i].TAGS[j]]), antiTags)}) %>" class="padtag" title="<%= matchingPads[i].TAGS[j] %> matches">#<%= matchingPads[i].TAGS[j] %></a>
        <% } %>
       </dd>
      <% } %>
diff --git a/etherpad/src/plugins/urlIndexer/controllers/urlBrowser.js b/etherpad/src/plugins/urlIndexer/controllers/urlBrowser.js
index ebd39bd..cdb9602 100644
--- a/etherpad/src/plugins/urlIndexer/controllers/urlBrowser.js
+++ b/etherpad/src/plugins/urlIndexer/controllers/urlBrowser.js
@@ -72,8 +72,8 @@ function onRequest() {
   var queryNewTagsSql = tagQuery.newTagsSql(querySql);
   var newTags = sqlobj.executeRaw(queryNewTagsSql.sql, queryNewTagsSql.params);
 
-  urlSql = urlSql(querySql, 10);
-  var matchingUrls = sqlobj.executeRaw(urlSql.sql, urlSql.params);
+  url = urlSql(querySql, 10);
+  var matchingUrls = sqlobj.executeRaw(url.sql, url.params);
 
   for (i = 0; i < matchingUrls.length; i++) {
     matchingUrls[i].TAGS = matchingUrls[i].TAGS.split('#');
diff --git a/etherpad/src/plugins/urlIndexer/templates/urlBrowser.ejs b/etherpad/src/plugins/urlIndexer/templates/urlBrowser.ejs
index a254dc1..1996dc5 100644
--- a/etherpad/src/plugins/urlIndexer/templates/urlBrowser.ejs
+++ b/etherpad/src/plugins/urlIndexer/templates/urlBrowser.ejs
@@ -18,7 +18,7 @@ limitations under the License. */ %>
  helpers.setHtmlTitle("EtherPad: Browse URLs by tags");
  helpers.includeCss("plugins/twitterStyleTags/tagBrowser.css");
  helpers.includeCss("plugins/twitterStyleTags/pad.css");
- helpers.addToHead('\n<link rel="alternate" href="/ep/url/?query=' + tagQuery.tagsToQuery(tags, antiTags) + '&format=rss" type="application/rss+xml" title="Query results as RSS" />\n');
+ helpers.addToHead('\n<link rel="alternate" href="' + helpers.updateToUrl({format:'rss'}) + '" type="application/rss+xml" title="Query results as RSS" />\n');
 
  function inArray(item, arr) {
    for (var i = 0; i < arr.length; i++)
@@ -46,7 +46,7 @@ limitations under the License. */ %>
   <dd>
    <a href="<%= matchingPadUrl %>"><%= matchingPadId %></a>:
    <% for (j = 0; j < matchingUrls[i].TAGS.length; j++) { %>
-    <a href="/ep/url/?query=<%= tagQuery.tagsToQuery(tags.concat([matchingUrls[i].TAGS[j]]), antiTags) %>" class="padtag" title="<%= matchingUrls[i].TAGS[j] %> matches">#<%= matchingUrls[i].TAGS[j] %></a>
+    <a href="<%= helpers.updateToUrl({query:tagQuery.tagsToQuery(tags.concat([matchingUrls[i].TAGS[j]]), antiTags)}) %>" class="padtag" title="<%= matchingUrls[i].TAGS[j] %> matches">#<%= matchingUrls[i].TAGS[j] %></a>
    <% } %>
   </dd>
  <% } %>
-- 
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