From 7ec87a86a24d0f0d96d7df417e2f1c46ddc6fbfa Mon Sep 17 00:00:00 2001
From: Christopher Lenz <cmlenz@apache.org>
Date: Mon, 12 Jan 2009 21:40:59 +0000
Subject: Move `browse.js` code into the `futon` namespace, and restore the
 selected tab based on the hash in the URL. Applies a small part of the patch
 to COUCHDB-200.

git-svn-id: https://svn.apache.org/repos/asf/couchdb/trunk@733912 13f79535-47bb-0310-9956-ffa450edef68
---
 share/Makefile.am                |   2 +-
 share/www/database.html          |   4 +-
 share/www/document.html          |  22 +-
 share/www/index.html             |   4 +-
 share/www/script/browse.js       | 942 --------------------------------------
 share/www/script/futon.browse.js | 962 +++++++++++++++++++++++++++++++++++++++
 6 files changed, 971 insertions(+), 965 deletions(-)
 delete mode 100644 share/www/script/browse.js
 create mode 100644 share/www/script/futon.browse.js

diff --git a/share/Makefile.am b/share/Makefile.am
index b78fbb7a..5ed70007 100644
--- a/share/Makefile.am
+++ b/share/Makefile.am
@@ -54,11 +54,11 @@ nobase_dist_localdata_DATA = \
     www/database.html \
     www/document.html \
     www/replicator.html \
-    www/script/browse.js \
     www/script/couch.js \
     www/script/couch_tests.js \
     www/script/couch_test_runner.js \
     www/script/futon.js \
+    www/script/futon.browse.js \
     www/script/futon.format.js \
     www/script/jquery.js \
     www/script/jquery.cookies.js \
diff --git a/share/www/database.html b/share/www/database.html
index 02886ef4..c540972f 100644
--- a/share/www/database.html
+++ b/share/www/database.html
@@ -26,10 +26,10 @@ specific language governing permissions and limitations under the License.
     <script src="script/jquery.resizer.js?0.9.0"></script>
     <script src="script/jquery.suggest.js?0.9.0"></script>
     <script src="script/futon.js?0.9.0"></script>
-    <script src="script/browse.js?0.9.0"></script>
+    <script src="script/futon.browse.js?0.9.0"></script>
     <script src="script/futon.format.js?0.9.0"></script>
     <script>
-      var page = new CouchDatabasePage();
+      var page = new $.futon.CouchDatabasePage();
 
       $.futon.navigation.ready(function() {
         this.addDatabase(page.db.name);
diff --git a/share/www/document.html b/share/www/document.html
index a6a4821c..5e8831ce 100644
--- a/share/www/document.html
+++ b/share/www/document.html
@@ -26,10 +26,10 @@ specific language governing permissions and limitations under the License.
     <script src="script/jquery.form.js?0.9.0"></script>
     <script src="script/jquery.resizer.js?0.9.0"></script>
     <script src="script/futon.js?0.9.0"></script>
-    <script src="script/browse.js?0.9.0"></script>
+    <script src="script/futon.browse.js?0.9.0"></script>
     <script src="script/futon.format.js?0.9.0"></script>
     <script>
-      var page = new CouchDocumentPage();
+      var page = new $.futon.CouchDocumentPage();
 
       $.futon.navigation.ready(function() {
         this.addDatabase(page.db.name);
@@ -46,22 +46,8 @@ specific language governing permissions and limitations under the License.
           +'/'+encodeURIComponent(page.docId)+'>'+page.docId+'</a>');
         page.updateFieldListing();
 
-        $("#tabs li.tabular a").click(function() {
-          $("#tabs li").removeClass("active");
-          $(this).parent().addClass("active");
-          $("#fields thead th:first").text("Field").attr("colspan", 1).next().show();
-          $("#fields tbody.content").show();
-          $("#fields tbody.source").hide();
-        });
-        $("#tabs li.source a").click(function() {
-          $("#tabs li").removeClass("active");
-          $(this).parent().addClass("active");
-          $("#fields thead th:first").text("Source").attr("colspan", 2).next().hide();
-          $("#fields tbody.content").hide();
-          $("#fields tbody.source").find("td").each(function() {
-            $(this).html($("<pre></pre>").html($.futon.formatJSON(page.doc, {html: true})));
-          }).end().show();
-        });
+        $("#tabs li.tabular a").click(page.activateTabularView);
+        $("#tabs li.source a").click(page.activateSourceView);
 
         $("#toolbar button.save").click(page.saveDocument);
         $("#toolbar button.add").click(page.addField);
diff --git a/share/www/index.html b/share/www/index.html
index 22f2892c..44fb6885 100644
--- a/share/www/index.html
+++ b/share/www/index.html
@@ -24,10 +24,10 @@ specific language governing permissions and limitations under the License.
     <script src="script/jquery.couch.js?0.9.0"></script>
     <script src="script/jquery.dialog.js?0.9.0"></script>
     <script src="script/futon.js?0.9.0"></script>
-    <script src="script/browse.js?0.9.0"></script>
+    <script src="script/futon.browse.js?0.9.0"></script>
     <script src="script/futon.format.js?0.9.0"></script>
     <script>
-      var page = new CouchIndexPage();
+      var page = new $.futon.CouchIndexPage();
       $(document).ready(function() {
         if (!/index\.html$/.test(location.pathname)) {
           $.futon.navigation.ready(function() {
diff --git a/share/www/script/browse.js b/share/www/script/browse.js
deleted file mode 100644
index c27f48ef..00000000
--- a/share/www/script/browse.js
+++ /dev/null
@@ -1,942 +0,0 @@
-// Licensed under the Apache License, Version 2.0 (the "License"); you may not
-// use this file except in compliance with the License.  You may obtain a copy
-// of the License at
-//
-//   http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
-// License for the specific language governing permissions and limitations under
-// the License.
-
-/*
- * Page class for browse/index.html
- */
-function CouchIndexPage() {
-  page = this;
-
-  this.addDatabase = function() {
-    $.showDialog("dialog/_create_database.html", {
-      submit: function(data, callback) {
-        if (!data.name || data.name.length == 0) {
-          callback({name: "Please enter a name."});
-          return;
-        }
-        $.couch.db(data.name).create({
-          error: function(status, id, reason) { callback({name: reason}) },
-          success: function(resp) {
-            location.href = "database.html?" + encodeURIComponent(data.name);
-            callback();
-          }
-        });
-      }
-    });
-    return false;
-  }
-
-  this.updateDatabaseListing = function(offset) {
-    offset |= 0;
-    $(document.body).addClass("loading");
-    var maxPerPage = parseInt($("#perpage").val(), 10);
-
-    $.couch.allDbs({
-      success: function(dbs) {
-        $("#paging a").unbind();
-        $("#databases tbody.content").empty();
-
-        if (dbs.length == 0) {
-          $(document.body).removeClass("loading");
-        }
-        var dbsOnPage = dbs.slice(offset, offset + maxPerPage);
-
-        $.each(dbsOnPage, function(idx, dbName) {
-          $("#databases tbody.content").append("<tr>" + 
-            "<th><a href='database.html?" + encodeURIComponent(dbName) + "'>" +
-              dbName + "</a></th>" +
-            "<td class='size'></td><td class='count'></td>" +
-            "<td class='seq'></td></tr>");
-          $.couch.db(dbName).info({
-            success: function(info) {
-              $("#databases tbody.content tr:eq(" + idx + ")")
-                .find("td.size").text($.futon.formatSize(info.disk_size)).end()
-                .find("td.count").text(info.doc_count).end()
-                .find("td.seq").text(info.update_seq);
-              if (idx == dbsOnPage.length - 1) {
-                $(document.body).removeClass("loading");
-              }
-            }
-          });
-        });
-        $("#databases tbody tr:odd").addClass("odd");
-
-        if (offset > 0) {
-          $("#paging a.prev").attr("href", "#" + (offset - maxPerPage)).click(function() {
-            page.updateDatabaseListing(offset - maxPerPage);
-          });
-        } else {
-          $("#paging a.prev").removeAttr("href");
-        }
-        if (offset + maxPerPage < dbs.length) {
-          $("#paging a.next").attr("href", "#" + (offset + maxPerPage)).click(function() {
-            page.updateDatabaseListing(offset + maxPerPage);
-          });
-        } else {
-          $("#paging a.next").removeAttr("href");
-        }
-
-        var firstNum = offset + 1;
-        var lastNum = firstNum + dbsOnPage.length - 1;
-        $("#databases tbody.footer tr td span").text(
-          "Showing " + firstNum + "-" + lastNum + " of " + dbs.length +
-          " databases");
-      }
-    });
-  }
-
-}
-
-/*
- * Page class for browse/database.html
- */
-function CouchDatabasePage() {
-  var urlParts = location.search.substr(1).split("/");
-  var dbName = decodeURIComponent(urlParts.shift());
-  var viewName = (urlParts.length > 0) ? urlParts.join("/") : null;
-  if (viewName) {
-    viewName = decodeURIComponent(viewName);
-    $.cookies.set(dbName + ".view", viewName);
-  } else {
-    viewName = $.cookies.get(dbName + ".view", "");
-    if (viewName) {
-      location.href = "database.html?" + dbName + "/" + viewName;
-    }
-  }
-  var db = $.couch.db(dbName);
-
-  this.dbName = dbName;
-  this.viewName = viewName;
-  this.db = db;
-  this.isDirty = false;
-  this.isTempView = viewName == "_slow_view";
-  page = this;
-
-  this.addDocument = function() {
-    $.showDialog("dialog/_create_document.html", {
-      submit: function(data, callback) {
-        db.saveDoc(data.docid ? {_id: data.docid} : {}, {
-          error: function(status, error, reason) {
-            callback({docid: reason});
-          },
-          success: function(resp) {
-            location.href = "document.html?" + encodeURIComponent(dbName) +
-                            "/" + encodeDocId(resp.id);
-          }
-        });
-      }
-    });
-  }
-
-  this.compactDatabase = function() {
-    $.showDialog("dialog/_compact_database.html", {
-      submit: function(data, callback) {
-        db.compact({
-          success: function(resp) {
-            callback();
-          }
-        });
-      }
-    });
-  }
-
-  this.deleteDatabase = function() {
-    $.showDialog("dialog/_delete_database.html", {
-      submit: function(data, callback) {
-        db.drop({
-          success: function(resp) {
-            callback();
-            location.href = "index.html";
-            if (window !== null) {
-              $("#dbs li").filter(function(index) {
-                return $("a", this).text() == dbName;
-              }).remove();
-              $.futon.navigation.removeDatabase(dbName);
-            }
-          }
-        });
-      }
-    });
-  }
-
-  this.populateViewEditor = function() {
-    if (viewName.match(/^_design\//)) {
-      page.revertViewChanges(function() {
-        var dirtyTimeout = null;
-        function updateDirtyState() {
-          clearTimeout(dirtyTimeout);
-          dirtyTimeout = setTimeout(function() {
-            var buttons = $("#viewcode button.save, #viewcode button.revert");
-            page.isDirty = ($("#viewcode_map").val() != page.storedViewCode.map)
-              || ($("#viewcode_reduce").val() != (page.storedViewCode.reduce || ""));
-            if (page.isDirty) {
-              buttons.removeAttr("disabled");
-            } else {
-              buttons.attr("disabled", "disabled");
-            }
-          }, 100);
-        }
-        $("#viewcode textarea").bind("input", updateDirtyState);
-        if ($.browser.msie || $.browser.safari) {
-          $("#viewcode textarea").bind("paste", updateDirtyState)
-                                 .bind("change", updateDirtyState)
-                                 .bind("keydown", updateDirtyState)
-                                 .bind("keypress", updateDirtyState)
-                                 .bind("keyup", updateDirtyState)
-                                 .bind("textInput", updateDirtyState);
-        }
-      });
-    } else if (viewName == "_slow_view") {
-      page.updateViewEditor(
-        $.cookies.get(db.name + ".map"),
-        $.cookies.get(db.name + ".reduce", "")
-      );
-    }
-  }
-
-  this.populateViewsMenu = function() {
-    var select = $("#switch select");
-    db.allDocs({startkey: "_design/", endkey: "_design0",
-      success: function(resp) {
-        select[0].options.length = 3;
-        for (var i = 0; i < resp.rows.length; i++) {
-          db.openDoc(resp.rows[i].id, {
-            success: function(doc) {
-              var optGroup = $("<optgroup></optgroup>").attr("label", doc._id.substr(8));
-              var optGroup = $(document.createElement("optgroup"))
-                .attr("label", doc._id.substr(8));
-              for (var name in doc.views) {
-                if (!doc.views.hasOwnProperty(name)) continue;
-                var option = $(document.createElement("option"))
-                  .attr("value", doc._id + "/" + name).text(name)
-                  .appendTo(optGroup);
-                if (doc._id + "/" + name == viewName) {
-                  option[0].selected = true;
-                }
-              }
-              optGroup.appendTo(select);
-            }
-          });
-        }
-      }
-    });
-    if (!viewName.match(/^_design\//)) {
-      $.each(["_all_docs", "_design_docs", "_slow_view"], function(idx, name) {
-        if (viewName == name) {
-          select[0].options[idx].selected = true;
-        }
-      });
-    }
-  }
-
-  this.revertViewChanges = function(callback) {
-    if (!page.storedViewCode) {
-      var viewNameParts = viewName.split("/");
-      var designDocId = viewNameParts[1];
-      var localViewName = viewNameParts[2];
-      db.openDoc(["_design", designDocId].join("/"), {
-        error: function(status, error, reason) {
-          if (status == 404) {
-            $.cookies.remove(dbName + ".view");
-            location.reload();
-          }
-        },
-        success: function(resp) {
-          var viewCode = resp.views[localViewName];
-          page.updateViewEditor(viewCode.map, viewCode.reduce || "");
-          $("#viewcode button.revert, #viewcode button.save").attr("disabled", "disabled");
-          page.storedViewCode = viewCode;
-          if (callback) callback();
-        }
-      });
-    } else {
-      $("#viewcode_map").val(page.storedViewCode.map);
-      $("#viewcode_reduce").val(page.storedViewCode.reduce || "");
-      page.isDirty = false;
-      $("#viewcode button.revert, #viewcode button.save").attr("disabled", "disabled");
-      if (callback) callback();
-    }
-  }
-
-  this.updateViewEditor = function(mapFun, reduceFun) {
-    if (!mapFun) return;
-    $("#viewcode_map").val(mapFun);
-    $("#viewcode_reduce").val(reduceFun);
-    var lines = Math.max(
-      mapFun.split("\n").length,
-      reduceFun.split("\n").length
-    );
-    $("#viewcode textarea").attr("rows", Math.min(15, Math.max(3, lines)));
-  }
-
-  this.saveViewAs = function() {
-    if (viewName && /^_design/.test(viewName)) {
-      var viewNameParts = viewName.split("/");
-      var designDocId = viewNameParts[1];
-      var localViewName = viewNameParts[2];
-    } else {
-      var designDocId = "", localViewName = "";
-    }
-    $.showDialog("dialog/_save_view_as.html", {
-      load: function(elem) {
-        $("#input_docid", elem).val(designDocId).suggest(function(text, callback) {
-          db.allDocs({
-            limit: 10, startkey: "_design/" + text,
-            endkey: "_design/" + text + "ZZZZ",
-            success: function(docs) {
-              var matches = [];
-              for (var i = 0; i < docs.rows.length; i++) {
-                matches[i] = docs.rows[i].id.substr(8);
-              }
-              callback(matches);
-            }
-          });
-        });
-        $("#input_name", elem).val(localViewName).suggest(function(text, callback) {
-          db.openDoc("_design/" + $("#input_docid").val(), {
-            error: function() {}, // ignore
-            success: function(doc) {
-              var matches = [];
-              if (!doc.views) return;
-              for (var viewName in doc.views) {
-                if (!doc.views.hasOwnProperty(viewName) || !viewName.match("^" + text)) {
-                  continue;
-                }
-                matches.push(viewName);
-              }
-              callback(matches);
-            }
-          });
-        });
-      },
-      submit: function(data, callback) {
-        if (!data.docid || !data.name) {
-          var errors = {};
-          if (!data.docid) errors.docid = "Please enter a document ID";
-          if (!data.name) errors.name = "Please enter a view name";
-          callback(errors);
-        } else {
-          var viewCode = {
-            map: $("#viewcode_map").val(),
-            reduce: $("#viewcode_reduce").val() || undefined
-          };
-          var docId = ["_design", data.docid].join("/");
-          function save(doc) {
-            if (!doc) doc = {_id: docId, language: "javascript"};
-            if (doc.views === undefined) doc.views = {};
-            doc.views[data.name] = viewCode;
-            db.saveDoc(doc, {
-              success: function(resp) {
-                callback();
-                page.isDirty = false;
-                location.href = "database.html?" + encodeURIComponent(dbName) +
-                  "/" + encodeDocId(doc._id) +
-                  "/" + encodeURIComponent(data.name);
-              }
-            });
-          }
-          db.openDoc(docId, {
-            error: function(status, error, reason) {
-              if (status == 404) save(null);
-              else alert(reason);
-            },
-            success: function(doc) {
-              save(doc);
-            }
-          });
-        }
-      }
-    });
-  }
-
-  this.saveViewChanges = function() {
-    var viewNameParts = viewName.split("/");
-    var designDocId = viewNameParts[1];
-    var localViewName = viewNameParts[2];
-    $(document.body).addClass("loading");
-    db.openDoc(["_design", designDocId].join("/"), {
-      success: function(doc) {
-        var viewDef = doc.views[localViewName];
-        viewDef.map = $("#viewcode_map").val();
-        viewDef.reduce = $("#viewcode_reduce").val() || undefined;
-        db.saveDoc(doc, {
-          success: function(resp) {
-            page.isDirty = false;
-            $("#viewcode button.revert, #viewcode button.save")
-              .attr("disabled", "disabled");
-            $(document.body).removeClass("loading");
-          }
-        });
-      }
-    });
-  }
-
-  this.updateDesignDocLink = function() {
-    if (viewName && /^_design/.test(viewName)) {
-      var docId = "_design/" + viewName.split("/")[1];
-      $("#designdoc-link").attr("href", "document.html?" +
-        encodeURIComponent(dbName) + "/" + encodeDocId(docId)).text(docId);
-    } else {
-      $("#designdoc-link").removeAttr("href").text("");
-    }
-  }
-
-  this.updateDocumentListing = function(options) {
-    $(document.body).addClass("loading");
-    if (options === undefined) options = {};
-    if (options.limit === undefined) {
-      options.limit = parseInt($("#perpage").val(), 10);
-    }
-    if (options.group === undefined) {
-      options.group = true;
-    }
-    if ($("#documents thead th.key").is(".desc")) {
-      if (typeof options.descending == 'undefined') options.descending = true;
-      var descend = true;
-      $.cookies.set(dbName + ".desc", "1");
-    } else {
-      var descend = false;
-      $.cookies.remove(dbName + ".desc");
-    }
-    $("#paging a").unbind();
-    $("#documents").find("tbody.content").empty().end().show();
-    this.updateDesignDocLink();
-
-    options.success = function(resp) {
-      if (resp.offset === undefined) {
-        resp.offset = 0;
-      }
-      var decending_reverse = ((options.descending && !descend) || (descend && (options.descending === false)));
-      if (decending_reverse && resp.rows) {
-        resp.rows = resp.rows.reverse();
-      }
-      if (resp.rows !== null && (decending_reverse ? 
-        (resp.total_rows - resp.offset > options.limit) :
-        (resp.offset > 0))) {
-        $("#paging a.prev").attr("href", "#" + (resp.offset - options.limit)).click(function() {
-          var firstDoc = resp.rows[0];
-          page.updateDocumentListing({
-            startkey: firstDoc.key !== undefined ? firstDoc.key : null,
-            startkey_docid: firstDoc.id,
-            skip: 1,
-            descending: !descend,
-            limit: options.limit
-          });
-          return false;
-        });
-      } else {
-        $("#paging a.prev").removeAttr("href");
-      }
-      if (resp.rows !== null && (decending_reverse ? 
-        (resp.offset - resp.total_rows < options.limit) : 
-        (resp.total_rows - resp.offset > options.limit))) {
-        $("#paging a.next").attr("href", "#" + (resp.offset + options.limit)).click(function() {
-          var lastDoc = resp.rows[resp.rows.length - 1];
-          page.updateDocumentListing({
-            startkey: lastDoc.key !== undefined ? lastDoc.key : null,
-            startkey_docid: lastDoc.id,
-            skip: 1,
-            descending: descend,
-            limit: options.limit
-          });
-          return false;
-        });
-      } else {
-        $("#paging a.next").removeAttr("href");
-      }
-
-      for (var i = 0; i < resp.rows.length; i++) {
-        var row = resp.rows[i];
-        var tr = $("<tr></tr>");
-        var key = "null";
-        if (row.key !== null) {
-          key = $.futon.formatJSON(row.key, {indent: 0, linesep: ""});
-        }
-        if (row.id) {
-          $("<td class='key'><a href='document.html?" + encodeURIComponent(db.name) +
-            "/" + encodeDocId(row.id) + "'><strong></strong><br>" +
-            "<span class='docid'>ID:&nbsp;" + row.id + "</span></a></td>")
-            .find("strong").text(key).end()
-            .appendTo(tr);
-        } else {
-          $("<td class='key'><strong></strong></td>")
-            .find("strong").text(key).end()
-            .appendTo(tr);
-        }
-        var value = "null";
-        if (row.value !== null) {
-          value = $.futon.formatJSON(row.value, {
-            html: true, indent: 0, linesep: "", quoteKeys: false
-          });
-        }
-        $("<td class='value'><div></div></td>").find("div").html(value).end().appendTo(tr).dblclick(function() {
-          location.href = this.previousSibling.firstChild.href;
-        });
-        tr.appendTo("#documents tbody.content");
-      }
-      var firstNum = 1;
-      var lastNum = totalNum = resp.rows.length;
-      if (resp.total_rows != null) {
-        if (decending_reverse) {
-          lastNum = Math.min(resp.total_rows, resp.total_rows - resp.offset);
-          firstNum = lastNum - resp.rows.length + 1;          
-        } else {
-          firstNum = Math.min(resp.total_rows, resp.offset + 1);
-          lastNum = firstNum + resp.rows.length - 1;
-        }
-        totalNum = resp.total_rows;
-        $("#paging").show();
-      } else {
-        $("#paging").hide();
-      }
-      $("#documents tbody.footer td span").text(
-        "Showing " + firstNum + "-" + lastNum + " of " + totalNum +
-        " row" + (firstNum != lastNum ? "s" : ""));
-      $("#documents tbody tr:odd").addClass("odd");
-      $(document.body).removeClass("loading");
-    }
-    options.error = function(status, error, reason) {
-      alert("Error: " + error + "\n\n" + reason);
-      $(document.body).removeClass("loading");
-    }
-
-    if (!viewName || viewName == "_all_docs") {
-      $("#switch select")[0].selectedIndex = 0;
-      db.allDocs(options);
-    } else {
-      if (viewName == "_slow_view") {
-        $("#viewcode").show().removeClass("collapsed");
-        var mapFun = $("#viewcode_map").val();
-        $.cookies.set(db.name + ".map", mapFun);
-        var reduceFun = $("#viewcode_reduce").val() || null;
-        if (reduceFun != null) {
-          $.cookies.set(db.name + ".reduce", reduceFun);
-        } else {
-          $.cookies.remove(db.name + ".reduce");
-        }
-        db.query(mapFun, reduceFun, null, options);
-      } else if (viewName == "_design_docs") {
-        options.startkey = options.descending ? "_design0" : "_design";
-        options.endkey = options.descending ? "_design" : "_design0";
-        db.allDocs(options);
-      } else {
-        $("#viewcode").show();
-        var currentMapCode = $("#viewcode_map").val();
-        var currentReduceCode = $("#viewcode_reduce").val() || null;
-        if (page.isDirty) {
-          db.query(currentMapCode, currentReduceCode, null, options);
-        } else {
-          db.view(viewName.substr(8), options);
-        }
-      }
-    }
-  }
-
-  window.onbeforeunload = function() {
-    $("#switch select").val(viewName);
-    if (page.isDirty) {
-      return "You've made changes to the view code that have not been " +
-             "saved yet.";
-    }
-  }
-
-}
-
-/*
- * Page class for browse/database.html
- */
-function CouchDocumentPage() {
-  var urlParts = location.search.substr(1).split("/");
-  var dbName = decodeURIComponent(urlParts.shift());
-  var idParts = urlParts.join("/").split("@", 2);
-  var docId = decodeURIComponent(idParts[0]);
-  var docRev = (idParts.length > 1) ? idParts[1] : null;
-  var db = $.couch.db(dbName);
-
-  this.dbName = dbName;
-  this.db = db;
-  this.docId = docId;
-  this.doc = null;
-  this.isDirty = false;
-  page = this;
-
-  this.addField = function() {
-    if (!$("#fields tbody.content:visible").length) {
-      $("#tabs li.tabular a").click(); // switch to tabular view
-    }
-    var fieldName = "unnamed";
-    var fieldIdx = 1;
-    while (page.doc.hasOwnProperty(fieldName)) {
-      fieldName = "unnamed " + fieldIdx++;
-    }
-    page.doc[fieldName] = null;
-    var row = _addRowForField(page.doc, fieldName);
-    page.isDirty = true;
-    _editKey(page.doc, row.find("th"), fieldName);
-  }
-
-  var _sortFields = function(a, b) {
-    var a0 = a.charAt(0), b0 = b.charAt(0);
-    if (a0 == "_" && b0 != "_") {
-      return -1;
-    } else if (a0 != "_" && b0 == "_") {
-      return 1;
-    } else if (a == "_attachments" || b == "_attachments") {
-      return a0 == "_attachments" ? 1 : -1;
-    } else {
-      return a < b ? -1 : a != b ? 1 : 0;
-    }
-  }
-
-  this.updateFieldListing = function() {
-    $(document.body).addClass("loading");
-    $("#fields tbody.content").empty();
-
-    function handleResult(doc, revs) {
-      page.doc = doc;
-      var propNames = [];
-      for (var prop in doc) {
-        if (!doc.hasOwnProperty(prop)) continue;
-        propNames.push(prop);
-      }
-      // Order properties alphabetically, but put internal fields first
-      propNames.sort(_sortFields);
-      for (var pi = 0; pi < propNames.length; pi++) {
-        _addRowForField(doc, propNames[pi]);
-      }
-      if (revs.length > 1) {
-        var currentIndex = 0;
-        for (var i = 0; i < revs.length; i++) {
-          if (revs[i].rev == doc._rev) {
-            currentIndex = i;
-            break;
-          }
-        }
-        if (currentIndex < revs.length - 1) {
-          var prevRev = revs[currentIndex + 1].rev;
-          $("#paging a.prev").attr("href", "?" + encodeURIComponent(dbName) +
-            "/" + encodeDocId(docId) + "@" + prevRev);
-        }
-        if (currentIndex > 0) {
-          var nextRev = revs[currentIndex - 1].rev;
-          $("#paging a.next").attr("href", "?" + encodeURIComponent(dbName) +
-            "/" + encodeDocId(docId) + "@" + nextRev);
-        }
-        $("#fields tbody.footer td span").text("Showing revision " +
-          (revs.length - currentIndex) + " of " + revs.length);
-      }
-      $(document.body).removeClass("loading");
-    }
-
-    db.openDoc(docId, {revs_info: true,
-      success: function(doc) {
-        var revs = doc._revs_info;
-        delete doc._revs_info;
-        if (docRev != null) {
-          db.openDoc(docId, {rev: docRev,
-            error: function(status, error, reason) {
-              alert("The requested revision was not found. " +
-                    "You will be redirected back to the latest revision.");
-              location.href = "?" + encodeURIComponent(dbName) +
-                "/" + encodeDocId(docId);
-            },
-            success: function(doc) {
-              handleResult(doc, revs);
-            }
-          });
-        } else {
-          handleResult(doc, revs);
-        }
-      }
-    });
-  }
-
-  this.deleteDocument = function() {
-    $.showDialog("dialog/_delete_document.html", {
-      submit: function(data, callback) {
-        db.removeDoc(page.doc, {
-          success: function(resp) {
-            callback();
-            location.href = "database.html?" + encodeURIComponent(dbName);
-          }
-        });
-      }
-    });
-  }
-
-  this.saveDocument = function() {
-    $(document.body).addClass("loading");
-    db.saveDoc(page.doc, {
-      success: function(resp) {
-        page.isDirty = false;
-        location.href = "?" + encodeURIComponent(dbName) +
-          "/" + encodeDocId(docId);
-      }
-    });
-  }
-
-  this.uploadAttachment = function() {
-    if (page.isDirty) {
-      alert("You need to save or revert any changes you have made to the " +
-            "document before you can attach a new file.");
-      return false;
-    }
-    $.showDialog("dialog/_upload_attachment.html", {
-      load: function(elem) {
-        $("input[name='_rev']", elem).val(page.doc._rev);
-      },
-      submit: function(data, callback) {
-        if (!data._attachments || data._attachments.length == 0) {
-          callback({_attachments: "Please select a file to upload."});
-          return;
-        }
-        var form = $("#upload-form");
-        form.find("#progress").css("visibility", "visible");
-        form.ajaxSubmit({
-          url: db.uri + encodeDocId(page.docId),
-          success: function(resp) {
-            form.find("#progress").css("visibility", "hidden");
-            page.isDirty = false;
-            location.href = "?" + encodeURIComponent(dbName) +
-              "/" + encodeDocId(docId);
-          }
-        });
-      }
-    });
-  }
-
-  window.onbeforeunload = function() {
-    if (page.isDirty) {
-      return "You've made changes to this document that have not been " +
-             "saved yet.";
-    }
-  }
-
-  function _addRowForField(doc, fieldName) {
-    var row = $("<tr><th></th><td></td></tr>").find("th").append($("<b></b>")
-      .text(fieldName)).end().appendTo("#fields tbody.content");
-    if (fieldName == "_attachments") {
-      row
-        .find("td").append(_renderAttachmentList(doc[fieldName]));
-    } else {
-      var value = _renderValue(doc[fieldName]);
-      row
-        .find("th b").dblclick(function() {
-          _editKey(doc, this, $(this).text());
-        }).end()
-        .find("td").append(value).dblclick(function() {
-          _editValue(doc, this, $(this).prev("th").text());
-        }).end();
-      if (fieldName != "_id" && fieldName != "_rev") {
-        row.find("th, td").attr("title", "Double click to edit");
-        _initKey(doc, row, fieldName);
-        _initValue(value);
-      }
-    }
-    $("#fields tbody.content tr").removeClass("odd").filter(":odd").addClass("odd");
-    return row;
-  }
-
-  function _editKey(doc, cell, fieldName) {
-    if (fieldName == "_id" || fieldName == "_rev") return;
-    var th = $(cell);
-    th.empty();
-    var input = $("<input type='text' spellcheck='false'>");
-    input.dblclick(function() { return false; }).keydown(function(evt) {
-      switch (evt.keyCode) {
-        case 13: applyChange(); break;
-        case 27: cancelChange(); break;
-      }
-    });
-    var tools = $("<div class='tools'></div>");
-    function applyChange() {
-      input.nextAll().remove();
-      var newName = input.val();
-      if (!newName.length || newName == fieldName) {
-        cancelChange();
-        return;
-      }
-      doc[newName] = doc[fieldName];
-      delete doc[fieldName];
-      th.children().remove();
-      th.append($("<b></b>").text(newName));
-      _initKey(doc, th.parent("tr"), fieldName);
-      page.isDirty = true;
-    }
-    function cancelChange() {
-      th.children().remove();
-      th.append($("<b></b>").text(fieldName));
-      _initKey(doc, th.parent("tr"), fieldName);
-    }
-
-    $("<button type='button' class='apply'></button>").click(function() {
-      applyChange();
-    }).appendTo(tools);
-    $("<button type='button' class='cancel'></button>").click(function() {
-      cancelChange();
-    }).appendTo(tools);
-    tools.appendTo(th);
-    input.val(fieldName).appendTo(th);
-    input.each(function() { this.focus(); this.select(); });
-  }
-
-  function _editValue(doc, cell, fieldName) {
-    if (!fieldName || fieldName == "_id" || fieldName == "_rev") return;
-    var td = $(cell);
-    var value = doc[fieldName];
-    var needsTextarea = $("dl", td).length > 0 || $("code", td).text().length > 60;
-    td.empty();
-    if (needsTextarea) {
-      var input = $("<textarea rows='8' cols='40' spellcheck='false'></textarea>");
-    } else {
-      var input = $("<input type='text' spellcheck='false'>");
-    }
-    input.dblclick(function() { return false; }).keydown(function(evt) {
-      switch (evt.keyCode) {
-        case 13: if (!needsTextarea) applyChange(); break;
-        case 27: cancelChange(); break;
-      }
-    });
-    var tools = $("<div class='tools'></div>");
-    function applyChange() {
-      input.nextAll().remove();
-      try {
-        var newValue = input.val() || "null";
-        if (newValue == doc[fieldName]) {
-          cancelChange();
-          return;
-        }
-        doc[fieldName] = JSON.parse(newValue);
-        td.children().remove();
-        page.isDirty = true;
-        var value = _renderValue(doc[fieldName]);
-        td.append(value);
-        _initValue(value);
-      } catch (err) {
-        input.addClass("invalid");
-        var msg = err.message;
-        if (msg == "parseJSON") {
-          msg = "Please enter a valid JSON value (for example, \"string\").";
-        }
-        $("<div class='error'></div>").text(msg).insertAfter(input);
-      }
-    }
-    function cancelChange() {
-      td.children().remove();
-      var value = _renderValue(doc[fieldName]);
-      td.append(value);
-      _initValue(value);
-    }
-
-    $("<button type='button' class='apply' title='Apply change'></button>").click(function() {
-      applyChange();
-    }).appendTo(tools);
-    $("<button type='button' class='cancel' title='Revert change'></button>").click(function() {
-      cancelChange();
-    }).appendTo(tools);
-    tools.appendTo(td);
-    input.val($.futon.formatJSON(value)).appendTo(td);
-    input.each(function() { this.focus(); this.select(); });
-    if (needsTextarea) input.makeResizable({vertical: true});
-  }
-
-  function _initKey(doc, row, fieldName) {
-    if (fieldName != "_id" && fieldName != "_rev") {
-      $("<button type='button' class='delete' title='Delete field'></button>").click(function() {
-        delete doc[fieldName];
-        row.remove();
-        page.isDirty = true;
-        $("#fields tbody.content tr").removeClass("odd").filter(":odd").addClass("odd");
-      }).prependTo(row.find("th"));
-    }
-  }
-
-  function _initValue(value) {
-    value.find("dd:has(dl)").hide().prev("dt").addClass("collapsed");
-    value.find("dd:not(:has(dl))").addClass("inline").prev().addClass("inline");
-    value.find("dt.collapsed").click(function() {
-      $(this).toggleClass("collapsed").next().toggle();
-    });
-  }
-
-  function _renderValue(value) {
-    var type = typeof(value);
-    if (type == "object" && value !== null) {
-      var list = $("<dl></dl>");
-      for (var i in value) {
-        if (!value.hasOwnProperty(i)) continue;
-        $("<dt></dt>").text(i).appendTo(list);
-        $("<dd></dd>").append(_renderValue(value[i])).appendTo(list);
-      }
-      return list;
-    } else {
-      return $("<code></code>").addClass(type).text(
-        value !== null ? JSON.stringify(value) : "null"
-      );
-    }
-  }
-
-  function _renderAttachmentList(attachments) {
-    var ul = $("<ul></ul>").addClass("attachments");
-    $.each(attachments, function(idx, attachment) {
-      _renderAttachmentItem(idx, attachment).appendTo(ul);
-    });
-    return ul;
-  }
-
-  function _renderAttachmentItem(name, attachment) {
-    var attachmentHref = db.uri + encodeDocId(docId) 
-      + "/" + encodeAttachment(name);
-    var li = $("<li></li>");
-    $("<a href='' title='Download file' target='_top'></a>").text(name)
-      .attr("href", attachmentHref)
-      .wrapInner("<tt></tt>").appendTo(li);
-    $("<span>()</span>").text("" + $.futon.formatSize(attachment.length) + 
-      ", " + attachment.content_type).addClass("info").appendTo(li);
-    if (name == "tests.js") {
-      li.find('span.info').append(', <a href="/_utils/couch_tests.html?' 
-        + attachmentHref + '">open in test runner</a>');
-    }
-    _initAttachmentItem(name, attachment, li);
-    return li;
-  }
-
-  function _initAttachmentItem(name, attachment, li) {
-    $("<button type='button' class='delete' title='Delete attachment'></button>").click(function() {
-      delete page.doc._attachments[name];
-      li.remove();
-      page.isDirty = true;
-      return false;
-    }).prependTo($("a", li));
-  }
-}
-
-// Ideally these would be module-private. Maybe there's a helper they can go on.
-
-function encodeDocId(docid) {
-  var encoded, parts = docid.split('/');
-  if (parts[0] == '_design') {
-    parts.shift();
-    encoded = encodeURIComponent(parts.join('/'));
-    return '_design/'+encoded;
-  } else {
-    return encodeURIComponent(docid);
-  }
-};
-
-function encodeAttachment(name) {
-  var encoded = [], parts = name.split('/');
-  for (var i=0; i < parts.length; i++) {
-    encoded.push(encodeURIComponent(parts[i]));
-  };
-  return encoded.join('/');
-}
diff --git a/share/www/script/futon.browse.js b/share/www/script/futon.browse.js
new file mode 100644
index 00000000..ddc56187
--- /dev/null
+++ b/share/www/script/futon.browse.js
@@ -0,0 +1,962 @@
+// Licensed under the Apache License, Version 2.0 (the "License"); you may not
+// use this file except in compliance with the License.  You may obtain a copy
+// of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+// License for the specific language governing permissions and limitations under
+// the License.
+
+(function($) {
+  $.futon = $.futon || {};
+  $.extend($.futon, {
+
+    // Page class for browse/index.html
+    CouchIndexPage: function() {
+      page = this;
+
+      this.addDatabase = function() {
+        $.showDialog("dialog/_create_database.html", {
+          submit: function(data, callback) {
+            if (!data.name || data.name.length == 0) {
+              callback({name: "Please enter a name."});
+              return;
+            }
+            $.couch.db(data.name).create({
+              error: function(status, id, reason) { callback({name: reason}) },
+              success: function(resp) {
+                location.href = "database.html?" + encodeURIComponent(data.name);
+                callback();
+              }
+            });
+          }
+        });
+        return false;
+      }
+
+      this.updateDatabaseListing = function(offset) {
+        offset |= 0;
+        $(document.body).addClass("loading");
+        var maxPerPage = parseInt($("#perpage").val(), 10);
+
+        $.couch.allDbs({
+          success: function(dbs) {
+            $("#paging a").unbind();
+            $("#databases tbody.content").empty();
+
+            if (dbs.length == 0) {
+              $(document.body).removeClass("loading");
+            }
+            var dbsOnPage = dbs.slice(offset, offset + maxPerPage);
+
+            $.each(dbsOnPage, function(idx, dbName) {
+              $("#databases tbody.content").append("<tr>" + 
+                "<th><a href='database.html?" + encodeURIComponent(dbName) + "'>" +
+                  dbName + "</a></th>" +
+                "<td class='size'></td><td class='count'></td>" +
+                "<td class='seq'></td></tr>");
+              $.couch.db(dbName).info({
+                success: function(info) {
+                  $("#databases tbody.content tr:eq(" + idx + ")")
+                    .find("td.size").text($.futon.formatSize(info.disk_size)).end()
+                    .find("td.count").text(info.doc_count).end()
+                    .find("td.seq").text(info.update_seq);
+                  if (idx == dbsOnPage.length - 1) {
+                    $(document.body).removeClass("loading");
+                  }
+                }
+              });
+            });
+            $("#databases tbody tr:odd").addClass("odd");
+
+            if (offset > 0) {
+              $("#paging a.prev").attr("href", "#" + (offset - maxPerPage)).click(function() {
+                page.updateDatabaseListing(offset - maxPerPage);
+              });
+            } else {
+              $("#paging a.prev").removeAttr("href");
+            }
+            if (offset + maxPerPage < dbs.length) {
+              $("#paging a.next").attr("href", "#" + (offset + maxPerPage)).click(function() {
+                page.updateDatabaseListing(offset + maxPerPage);
+              });
+            } else {
+              $("#paging a.next").removeAttr("href");
+            }
+
+            var firstNum = offset + 1;
+            var lastNum = firstNum + dbsOnPage.length - 1;
+            $("#databases tbody.footer tr td span").text(
+              "Showing " + firstNum + "-" + lastNum + " of " + dbs.length +
+              " databases");
+          }
+        });
+      }
+
+    },
+
+    // Page class for browse/database.html
+    CouchDatabasePage: function() {
+      var urlParts = location.search.substr(1).split("/");
+      var dbName = decodeURIComponent(urlParts.shift());
+      var viewName = (urlParts.length > 0) ? urlParts.join("/") : null;
+      if (viewName) {
+        viewName = decodeURIComponent(viewName);
+        $.cookies.set(dbName + ".view", viewName);
+      } else {
+        viewName = $.cookies.get(dbName + ".view", "");
+        if (viewName) {
+          location.href = "database.html?" + dbName + "/" + viewName;
+        }
+      }
+      var db = $.couch.db(dbName);
+
+      this.dbName = dbName;
+      this.viewName = viewName;
+      this.db = db;
+      this.isDirty = false;
+      this.isTempView = viewName == "_slow_view";
+      page = this;
+
+      this.addDocument = function() {
+        $.showDialog("dialog/_create_document.html", {
+          submit: function(data, callback) {
+            db.saveDoc(data.docid ? {_id: data.docid} : {}, {
+              error: function(status, error, reason) {
+                callback({docid: reason});
+              },
+              success: function(resp) {
+                location.href = "document.html?" + encodeURIComponent(dbName) +
+                                "/" + encodeDocId(resp.id);
+              }
+            });
+          }
+        });
+      }
+
+      this.compactDatabase = function() {
+        $.showDialog("dialog/_compact_database.html", {
+          submit: function(data, callback) {
+            db.compact({
+              success: function(resp) {
+                callback();
+              }
+            });
+          }
+        });
+      }
+
+      this.deleteDatabase = function() {
+        $.showDialog("dialog/_delete_database.html", {
+          submit: function(data, callback) {
+            db.drop({
+              success: function(resp) {
+                callback();
+                location.href = "index.html";
+                if (window !== null) {
+                  $("#dbs li").filter(function(index) {
+                    return $("a", this).text() == dbName;
+                  }).remove();
+                  $.futon.navigation.removeDatabase(dbName);
+                }
+              }
+            });
+          }
+        });
+      }
+
+      this.populateViewEditor = function() {
+        if (viewName.match(/^_design\//)) {
+          page.revertViewChanges(function() {
+            var dirtyTimeout = null;
+            function updateDirtyState() {
+              clearTimeout(dirtyTimeout);
+              dirtyTimeout = setTimeout(function() {
+                var buttons = $("#viewcode button.save, #viewcode button.revert");
+                page.isDirty = ($("#viewcode_map").val() != page.storedViewCode.map)
+                  || ($("#viewcode_reduce").val() != (page.storedViewCode.reduce || ""));
+                if (page.isDirty) {
+                  buttons.removeAttr("disabled");
+                } else {
+                  buttons.attr("disabled", "disabled");
+                }
+              }, 100);
+            }
+            $("#viewcode textarea").bind("input", updateDirtyState);
+            if ($.browser.msie || $.browser.safari) {
+              $("#viewcode textarea").bind("paste", updateDirtyState)
+                                     .bind("change", updateDirtyState)
+                                     .bind("keydown", updateDirtyState)
+                                     .bind("keypress", updateDirtyState)
+                                     .bind("keyup", updateDirtyState)
+                                     .bind("textInput", updateDirtyState);
+            }
+          });
+        } else if (viewName == "_slow_view") {
+          page.updateViewEditor(
+            $.cookies.get(db.name + ".map"),
+            $.cookies.get(db.name + ".reduce", "")
+          );
+        }
+      }
+
+      this.populateViewsMenu = function() {
+        var select = $("#switch select");
+        db.allDocs({startkey: "_design/", endkey: "_design0",
+          success: function(resp) {
+            select[0].options.length = 3;
+            for (var i = 0; i < resp.rows.length; i++) {
+              db.openDoc(resp.rows[i].id, {
+                success: function(doc) {
+                  var optGroup = $("<optgroup></optgroup>").attr("label", doc._id.substr(8));
+                  var optGroup = $(document.createElement("optgroup"))
+                    .attr("label", doc._id.substr(8));
+                  for (var name in doc.views) {
+                    if (!doc.views.hasOwnProperty(name)) continue;
+                    var option = $(document.createElement("option"))
+                      .attr("value", doc._id + "/" + name).text(name)
+                      .appendTo(optGroup);
+                    if (doc._id + "/" + name == viewName) {
+                      option[0].selected = true;
+                    }
+                  }
+                  optGroup.appendTo(select);
+                }
+              });
+            }
+          }
+        });
+        if (!viewName.match(/^_design\//)) {
+          $.each(["_all_docs", "_design_docs", "_slow_view"], function(idx, name) {
+            if (viewName == name) {
+              select[0].options[idx].selected = true;
+            }
+          });
+        }
+      }
+
+      this.revertViewChanges = function(callback) {
+        if (!page.storedViewCode) {
+          var viewNameParts = viewName.split("/");
+          var designDocId = viewNameParts[1];
+          var localViewName = viewNameParts[2];
+          db.openDoc(["_design", designDocId].join("/"), {
+            error: function(status, error, reason) {
+              if (status == 404) {
+                $.cookies.remove(dbName + ".view");
+                location.reload();
+              }
+            },
+            success: function(resp) {
+              var viewCode = resp.views[localViewName];
+              page.updateViewEditor(viewCode.map, viewCode.reduce || "");
+              $("#viewcode button.revert, #viewcode button.save").attr("disabled", "disabled");
+              page.storedViewCode = viewCode;
+              if (callback) callback();
+            }
+          });
+        } else {
+          $("#viewcode_map").val(page.storedViewCode.map);
+          $("#viewcode_reduce").val(page.storedViewCode.reduce || "");
+          page.isDirty = false;
+          $("#viewcode button.revert, #viewcode button.save").attr("disabled", "disabled");
+          if (callback) callback();
+        }
+      }
+
+      this.updateViewEditor = function(mapFun, reduceFun) {
+        if (!mapFun) return;
+        $("#viewcode_map").val(mapFun);
+        $("#viewcode_reduce").val(reduceFun);
+        var lines = Math.max(
+          mapFun.split("\n").length,
+          reduceFun.split("\n").length
+        );
+        $("#viewcode textarea").attr("rows", Math.min(15, Math.max(3, lines)));
+      }
+
+      this.saveViewAs = function() {
+        if (viewName && /^_design/.test(viewName)) {
+          var viewNameParts = viewName.split("/");
+          var designDocId = viewNameParts[1];
+          var localViewName = viewNameParts[2];
+        } else {
+          var designDocId = "", localViewName = "";
+        }
+        $.showDialog("dialog/_save_view_as.html", {
+          load: function(elem) {
+            $("#input_docid", elem).val(designDocId).suggest(function(text, callback) {
+              db.allDocs({
+                limit: 10, startkey: "_design/" + text,
+                endkey: "_design/" + text + "ZZZZ",
+                success: function(docs) {
+                  var matches = [];
+                  for (var i = 0; i < docs.rows.length; i++) {
+                    matches[i] = docs.rows[i].id.substr(8);
+                  }
+                  callback(matches);
+                }
+              });
+            });
+            $("#input_name", elem).val(localViewName).suggest(function(text, callback) {
+              db.openDoc("_design/" + $("#input_docid").val(), {
+                error: function() {}, // ignore
+                success: function(doc) {
+                  var matches = [];
+                  if (!doc.views) return;
+                  for (var viewName in doc.views) {
+                    if (!doc.views.hasOwnProperty(viewName) || !viewName.match("^" + text)) {
+                      continue;
+                    }
+                    matches.push(viewName);
+                  }
+                  callback(matches);
+                }
+              });
+            });
+          },
+          submit: function(data, callback) {
+            if (!data.docid || !data.name) {
+              var errors = {};
+              if (!data.docid) errors.docid = "Please enter a document ID";
+              if (!data.name) errors.name = "Please enter a view name";
+              callback(errors);
+            } else {
+              var viewCode = {
+                map: $("#viewcode_map").val(),
+                reduce: $("#viewcode_reduce").val() || undefined
+              };
+              var docId = ["_design", data.docid].join("/");
+              function save(doc) {
+                if (!doc) doc = {_id: docId, language: "javascript"};
+                if (doc.views === undefined) doc.views = {};
+                doc.views[data.name] = viewCode;
+                db.saveDoc(doc, {
+                  success: function(resp) {
+                    callback();
+                    page.isDirty = false;
+                    location.href = "database.html?" + encodeURIComponent(dbName) +
+                      "/" + encodeDocId(doc._id) +
+                      "/" + encodeURIComponent(data.name);
+                  }
+                });
+              }
+              db.openDoc(docId, {
+                error: function(status, error, reason) {
+                  if (status == 404) save(null);
+                  else alert(reason);
+                },
+                success: function(doc) {
+                  save(doc);
+                }
+              });
+            }
+          }
+        });
+      }
+
+      this.saveViewChanges = function() {
+        var viewNameParts = viewName.split("/");
+        var designDocId = viewNameParts[1];
+        var localViewName = viewNameParts[2];
+        $(document.body).addClass("loading");
+        db.openDoc(["_design", designDocId].join("/"), {
+          success: function(doc) {
+            var viewDef = doc.views[localViewName];
+            viewDef.map = $("#viewcode_map").val();
+            viewDef.reduce = $("#viewcode_reduce").val() || undefined;
+            db.saveDoc(doc, {
+              success: function(resp) {
+                page.isDirty = false;
+                $("#viewcode button.revert, #viewcode button.save")
+                  .attr("disabled", "disabled");
+                $(document.body).removeClass("loading");
+              }
+            });
+          }
+        });
+      }
+
+      this.updateDesignDocLink = function() {
+        if (viewName && /^_design/.test(viewName)) {
+          var docId = "_design/" + viewName.split("/")[1];
+          $("#designdoc-link").attr("href", "document.html?" +
+            encodeURIComponent(dbName) + "/" + encodeDocId(docId)).text(docId);
+        } else {
+          $("#designdoc-link").removeAttr("href").text("");
+        }
+      }
+
+      this.updateDocumentListing = function(options) {
+        $(document.body).addClass("loading");
+        if (options === undefined) options = {};
+        if (options.limit === undefined) {
+          options.limit = parseInt($("#perpage").val(), 10);
+        }
+        if (options.group === undefined) {
+          options.group = true;
+        }
+        if ($("#documents thead th.key").is(".desc")) {
+          if (typeof options.descending == 'undefined') options.descending = true;
+          var descend = true;
+          $.cookies.set(dbName + ".desc", "1");
+        } else {
+          var descend = false;
+          $.cookies.remove(dbName + ".desc");
+        }
+        $("#paging a").unbind();
+        $("#documents").find("tbody.content").empty().end().show();
+        this.updateDesignDocLink();
+
+        options.success = function(resp) {
+          if (resp.offset === undefined) {
+            resp.offset = 0;
+          }
+          var decending_reverse = ((options.descending && !descend) || (descend && (options.descending === false)));
+          if (decending_reverse && resp.rows) {
+            resp.rows = resp.rows.reverse();
+          }
+          if (resp.rows !== null && (decending_reverse ? 
+            (resp.total_rows - resp.offset > options.limit) :
+            (resp.offset > 0))) {
+            $("#paging a.prev").attr("href", "#" + (resp.offset - options.limit)).click(function() {
+              var firstDoc = resp.rows[0];
+              page.updateDocumentListing({
+                startkey: firstDoc.key !== undefined ? firstDoc.key : null,
+                startkey_docid: firstDoc.id,
+                skip: 1,
+                descending: !descend,
+                limit: options.limit
+              });
+              return false;
+            });
+          } else {
+            $("#paging a.prev").removeAttr("href");
+          }
+          if (resp.rows !== null && (decending_reverse ? 
+            (resp.offset - resp.total_rows < options.limit) : 
+            (resp.total_rows - resp.offset > options.limit))) {
+            $("#paging a.next").attr("href", "#" + (resp.offset + options.limit)).click(function() {
+              var lastDoc = resp.rows[resp.rows.length - 1];
+              page.updateDocumentListing({
+                startkey: lastDoc.key !== undefined ? lastDoc.key : null,
+                startkey_docid: lastDoc.id,
+                skip: 1,
+                descending: descend,
+                limit: options.limit
+              });
+              return false;
+            });
+          } else {
+            $("#paging a.next").removeAttr("href");
+          }
+
+          for (var i = 0; i < resp.rows.length; i++) {
+            var row = resp.rows[i];
+            var tr = $("<tr></tr>");
+            var key = "null";
+            if (row.key !== null) {
+              key = $.futon.formatJSON(row.key, {indent: 0, linesep: ""});
+            }
+            if (row.id) {
+              $("<td class='key'><a href='document.html?" + encodeURIComponent(db.name) +
+                "/" + encodeDocId(row.id) + "'><strong></strong><br>" +
+                "<span class='docid'>ID:&nbsp;" + row.id + "</span></a></td>")
+                .find("strong").text(key).end()
+                .appendTo(tr);
+            } else {
+              $("<td class='key'><strong></strong></td>")
+                .find("strong").text(key).end()
+                .appendTo(tr);
+            }
+            var value = "null";
+            if (row.value !== null) {
+              value = $.futon.formatJSON(row.value, {
+                html: true, indent: 0, linesep: "", quoteKeys: false
+              });
+            }
+            $("<td class='value'><div></div></td>").find("div").html(value).end().appendTo(tr).dblclick(function() {
+              location.href = this.previousSibling.firstChild.href;
+            });
+            tr.appendTo("#documents tbody.content");
+          }
+          var firstNum = 1;
+          var lastNum = totalNum = resp.rows.length;
+          if (resp.total_rows != null) {
+            if (decending_reverse) {
+              lastNum = Math.min(resp.total_rows, resp.total_rows - resp.offset);
+              firstNum = lastNum - resp.rows.length + 1;          
+            } else {
+              firstNum = Math.min(resp.total_rows, resp.offset + 1);
+              lastNum = firstNum + resp.rows.length - 1;
+            }
+            totalNum = resp.total_rows;
+            $("#paging").show();
+          } else {
+            $("#paging").hide();
+          }
+          $("#documents tbody.footer td span").text(
+            "Showing " + firstNum + "-" + lastNum + " of " + totalNum +
+            " row" + (firstNum != lastNum ? "s" : ""));
+          $("#documents tbody tr:odd").addClass("odd");
+          $(document.body).removeClass("loading");
+        }
+        options.error = function(status, error, reason) {
+          alert("Error: " + error + "\n\n" + reason);
+          $(document.body).removeClass("loading");
+        }
+
+        if (!viewName || viewName == "_all_docs") {
+          $("#switch select")[0].selectedIndex = 0;
+          db.allDocs(options);
+        } else {
+          if (viewName == "_slow_view") {
+            $("#viewcode").show().removeClass("collapsed");
+            var mapFun = $("#viewcode_map").val();
+            $.cookies.set(db.name + ".map", mapFun);
+            var reduceFun = $("#viewcode_reduce").val() || null;
+            if (reduceFun != null) {
+              $.cookies.set(db.name + ".reduce", reduceFun);
+            } else {
+              $.cookies.remove(db.name + ".reduce");
+            }
+            db.query(mapFun, reduceFun, null, options);
+          } else if (viewName == "_design_docs") {
+            options.startkey = options.descending ? "_design0" : "_design";
+            options.endkey = options.descending ? "_design" : "_design0";
+            db.allDocs(options);
+          } else {
+            $("#viewcode").show();
+            var currentMapCode = $("#viewcode_map").val();
+            var currentReduceCode = $("#viewcode_reduce").val() || null;
+            if (page.isDirty) {
+              db.query(currentMapCode, currentReduceCode, null, options);
+            } else {
+              db.view(viewName.substr(8), options);
+            }
+          }
+        }
+      }
+
+      window.onbeforeunload = function() {
+        $("#switch select").val(viewName);
+        if (page.isDirty) {
+          return "You've made changes to the view code that have not been " +
+                 "saved yet.";
+        }
+      }
+
+    },
+
+    // Page class for browse/database.html
+    CouchDocumentPage: function() {
+      var urlParts = location.search.substr(1).split("/");
+      var dbName = decodeURIComponent(urlParts.shift());
+      var idParts = urlParts.join("/").split("@", 2);
+      var docId = decodeURIComponent(idParts[0]);
+      var docRev = (idParts.length > 1) ? idParts[1] : null;
+      var db = $.couch.db(dbName);
+
+      this.dbName = dbName;
+      this.db = db;
+      this.docId = docId;
+      this.doc = null;
+      this.isDirty = false;
+      page = this;
+
+      this.activateTabularView = function() {
+        $("#tabs li").removeClass("active").filter(".tabular").addClass("active");
+        $("#fields thead th:first").text("Field").attr("colspan", 1).next().show();
+        $("#fields tbody.content").show();
+        $("#fields tbody.source").hide();
+      }
+
+      this.activateSourceView = function() {
+        $("#tabs li").removeClass("active").filter(".source").addClass("active");
+        $("#fields thead th:first").text("Source").attr("colspan", 2).next().hide();
+        $("#fields tbody.content").hide();
+        $("#fields tbody.source").find("td").each(function() {
+          $(this).html($("<pre></pre>").html($.futon.formatJSON(page.doc, {html: true})));
+        }).end().show();
+      }
+
+      this.addField = function() {
+        if (!$("#fields tbody.content:visible").length) {
+          location.hash = "#tabular";
+          page.activateTabularView();
+        }
+        var fieldName = "unnamed";
+        var fieldIdx = 1;
+        while (page.doc.hasOwnProperty(fieldName)) {
+          fieldName = "unnamed " + fieldIdx++;
+        }
+        page.doc[fieldName] = null;
+        var row = _addRowForField(page.doc, fieldName);
+        page.isDirty = true;
+        _editKey(page.doc, row.find("th"), fieldName);
+      }
+
+      var _sortFields = function(a, b) {
+        var a0 = a.charAt(0), b0 = b.charAt(0);
+        if (a0 == "_" && b0 != "_") {
+          return -1;
+        } else if (a0 != "_" && b0 == "_") {
+          return 1;
+        } else if (a == "_attachments" || b == "_attachments") {
+          return a0 == "_attachments" ? 1 : -1;
+        } else {
+          return a < b ? -1 : a != b ? 1 : 0;
+        }
+      }
+
+      this.updateFieldListing = function() {
+        $(document.body).addClass("loading");
+        $("#fields tbody.content").empty();
+
+        function handleResult(doc, revs) {
+          page.doc = doc;
+          var propNames = [];
+          for (var prop in doc) {
+            if (!doc.hasOwnProperty(prop)) continue;
+            propNames.push(prop);
+          }
+          // Order properties alphabetically, but put internal fields first
+          propNames.sort(_sortFields);
+          for (var pi = 0; pi < propNames.length; pi++) {
+            _addRowForField(doc, propNames[pi]);
+          }
+          if (revs.length > 1) {
+            var currentIndex = 0;
+            for (var i = 0; i < revs.length; i++) {
+              if (revs[i].rev == doc._rev) {
+                currentIndex = i;
+                break;
+              }
+            }
+            if (currentIndex < revs.length - 1) {
+              var prevRev = revs[currentIndex + 1].rev;
+              $("#paging a.prev").attr("href", "?" + encodeURIComponent(dbName) +
+                "/" + encodeDocId(docId) + "@" + prevRev);
+            }
+            if (currentIndex > 0) {
+              var nextRev = revs[currentIndex - 1].rev;
+              $("#paging a.next").attr("href", "?" + encodeURIComponent(dbName) +
+                "/" + encodeDocId(docId) + "@" + nextRev);
+            }
+            $("#fields tbody.footer td span").text("Showing revision " +
+              (revs.length - currentIndex) + " of " + revs.length);
+          }
+          if (location.hash == "#source") {
+            page.activateSourceView();
+          }
+          $(document.body).removeClass("loading");
+        }
+
+        db.openDoc(docId, {revs_info: true,
+          success: function(doc) {
+            var revs = doc._revs_info;
+            delete doc._revs_info;
+            if (docRev != null) {
+              db.openDoc(docId, {rev: docRev,
+                error: function(status, error, reason) {
+                  alert("The requested revision was not found. " +
+                        "You will be redirected back to the latest revision.");
+                  location.href = "?" + encodeURIComponent(dbName) +
+                    "/" + encodeDocId(docId);
+                },
+                success: function(doc) {
+                  handleResult(doc, revs);
+                }
+              });
+            } else {
+              handleResult(doc, revs);
+            }
+          }
+        });
+      }
+
+      this.deleteDocument = function() {
+        $.showDialog("dialog/_delete_document.html", {
+          submit: function(data, callback) {
+            db.removeDoc(page.doc, {
+              success: function(resp) {
+                callback();
+                location.href = "database.html?" + encodeURIComponent(dbName);
+              }
+            });
+          }
+        });
+      }
+
+      this.saveDocument = function() {
+        $(document.body).addClass("loading");
+        db.saveDoc(page.doc, {
+          success: function(resp) {
+            page.isDirty = false;
+            location.href = "?" + encodeURIComponent(dbName) +
+              "/" + encodeDocId(docId);
+          }
+        });
+      }
+
+      this.uploadAttachment = function() {
+        if (page.isDirty) {
+          alert("You need to save or revert any changes you have made to the " +
+                "document before you can attach a new file.");
+          return false;
+        }
+        $.showDialog("dialog/_upload_attachment.html", {
+          load: function(elem) {
+            $("input[name='_rev']", elem).val(page.doc._rev);
+          },
+          submit: function(data, callback) {
+            if (!data._attachments || data._attachments.length == 0) {
+              callback({_attachments: "Please select a file to upload."});
+              return;
+            }
+            var form = $("#upload-form");
+            form.find("#progress").css("visibility", "visible");
+            form.ajaxSubmit({
+              url: db.uri + encodeDocId(page.docId),
+              success: function(resp) {
+                form.find("#progress").css("visibility", "hidden");
+                page.isDirty = false;
+                location.href = "?" + encodeURIComponent(dbName) +
+                  "/" + encodeDocId(docId);
+              }
+            });
+          }
+        });
+      }
+
+      window.onbeforeunload = function() {
+        if (page.isDirty) {
+          return "You've made changes to this document that have not been " +
+                 "saved yet.";
+        }
+      }
+
+      function _addRowForField(doc, fieldName) {
+        var row = $("<tr><th></th><td></td></tr>").find("th").append($("<b></b>")
+          .text(fieldName)).end().appendTo("#fields tbody.content");
+        if (fieldName == "_attachments") {
+          row
+            .find("td").append(_renderAttachmentList(doc[fieldName]));
+        } else {
+          var value = _renderValue(doc[fieldName]);
+          row
+            .find("th b").dblclick(function() {
+              _editKey(doc, this, $(this).text());
+            }).end()
+            .find("td").append(value).dblclick(function() {
+              _editValue(doc, this, $(this).prev("th").text());
+            }).end();
+          if (fieldName != "_id" && fieldName != "_rev") {
+            row.find("th, td").attr("title", "Double click to edit");
+            _initKey(doc, row, fieldName);
+            _initValue(value);
+          }
+        }
+        $("#fields tbody.content tr").removeClass("odd").filter(":odd").addClass("odd");
+        return row;
+      }
+
+      function _editKey(doc, cell, fieldName) {
+        if (fieldName == "_id" || fieldName == "_rev") return;
+        var th = $(cell);
+        th.empty();
+        var input = $("<input type='text' spellcheck='false'>");
+        input.dblclick(function() { return false; }).keydown(function(evt) {
+          switch (evt.keyCode) {
+            case 13: applyChange(); break;
+            case 27: cancelChange(); break;
+          }
+        });
+        var tools = $("<div class='tools'></div>");
+        function applyChange() {
+          input.nextAll().remove();
+          var newName = input.val();
+          if (!newName.length || newName == fieldName) {
+            cancelChange();
+            return;
+          }
+          doc[newName] = doc[fieldName];
+          delete doc[fieldName];
+          th.children().remove();
+          th.append($("<b></b>").text(newName));
+          _initKey(doc, th.parent("tr"), fieldName);
+          page.isDirty = true;
+        }
+        function cancelChange() {
+          th.children().remove();
+          th.append($("<b></b>").text(fieldName));
+          _initKey(doc, th.parent("tr"), fieldName);
+        }
+
+        $("<button type='button' class='apply'></button>").click(function() {
+          applyChange();
+        }).appendTo(tools);
+        $("<button type='button' class='cancel'></button>").click(function() {
+          cancelChange();
+        }).appendTo(tools);
+        tools.appendTo(th);
+        input.val(fieldName).appendTo(th);
+        input.each(function() { this.focus(); this.select(); });
+      }
+
+      function _editValue(doc, cell, fieldName) {
+        if (!fieldName || fieldName == "_id" || fieldName == "_rev") return;
+        var td = $(cell);
+        var value = doc[fieldName];
+        var needsTextarea = $("dl", td).length > 0 || $("code", td).text().length > 60;
+        td.empty();
+        if (needsTextarea) {
+          var input = $("<textarea rows='8' cols='40' spellcheck='false'></textarea>");
+        } else {
+          var input = $("<input type='text' spellcheck='false'>");
+        }
+        input.dblclick(function() { return false; }).keydown(function(evt) {
+          switch (evt.keyCode) {
+            case 13: if (!needsTextarea) applyChange(); break;
+            case 27: cancelChange(); break;
+          }
+        });
+        var tools = $("<div class='tools'></div>");
+        function applyChange() {
+          input.nextAll().remove();
+          try {
+            var newValue = input.val() || "null";
+            if (newValue == doc[fieldName]) {
+              cancelChange();
+              return;
+            }
+            doc[fieldName] = JSON.parse(newValue);
+            td.children().remove();
+            page.isDirty = true;
+            var value = _renderValue(doc[fieldName]);
+            td.append(value);
+            _initValue(value);
+          } catch (err) {
+            input.addClass("invalid");
+            var msg = err.message;
+            if (msg == "parseJSON") {
+              msg = "Please enter a valid JSON value (for example, \"string\").";
+            }
+            $("<div class='error'></div>").text(msg).insertAfter(input);
+          }
+        }
+        function cancelChange() {
+          td.children().remove();
+          var value = _renderValue(doc[fieldName]);
+          td.append(value);
+          _initValue(value);
+        }
+
+        $("<button type='button' class='apply' title='Apply change'></button>").click(function() {
+          applyChange();
+        }).appendTo(tools);
+        $("<button type='button' class='cancel' title='Revert change'></button>").click(function() {
+          cancelChange();
+        }).appendTo(tools);
+        tools.appendTo(td);
+        input.val($.futon.formatJSON(value)).appendTo(td);
+        input.each(function() { this.focus(); this.select(); });
+        if (needsTextarea) input.makeResizable({vertical: true});
+      }
+
+      function _initKey(doc, row, fieldName) {
+        if (fieldName != "_id" && fieldName != "_rev") {
+          $("<button type='button' class='delete' title='Delete field'></button>").click(function() {
+            delete doc[fieldName];
+            row.remove();
+            page.isDirty = true;
+            $("#fields tbody.content tr").removeClass("odd").filter(":odd").addClass("odd");
+          }).prependTo(row.find("th"));
+        }
+      }
+
+      function _initValue(value) {
+        value.find("dd:has(dl)").hide().prev("dt").addClass("collapsed");
+        value.find("dd:not(:has(dl))").addClass("inline").prev().addClass("inline");
+        value.find("dt.collapsed").click(function() {
+          $(this).toggleClass("collapsed").next().toggle();
+        });
+      }
+
+      function _renderValue(value) {
+        var type = typeof(value);
+        if (type == "object" && value !== null) {
+          var list = $("<dl></dl>");
+          for (var i in value) {
+            if (!value.hasOwnProperty(i)) continue;
+            $("<dt></dt>").text(i).appendTo(list);
+            $("<dd></dd>").append(_renderValue(value[i])).appendTo(list);
+          }
+          return list;
+        } else {
+          return $("<code></code>").addClass(type).text(
+            value !== null ? JSON.stringify(value) : "null"
+          );
+        }
+      }
+
+      function _renderAttachmentList(attachments) {
+        var ul = $("<ul></ul>").addClass("attachments");
+        $.each(attachments, function(idx, attachment) {
+          _renderAttachmentItem(idx, attachment).appendTo(ul);
+        });
+        return ul;
+      }
+
+      function _renderAttachmentItem(name, attachment) {
+        var attachmentHref = db.uri + encodeDocId(docId) 
+          + "/" + encodeAttachment(name);
+        var li = $("<li></li>");
+        $("<a href='' title='Download file' target='_top'></a>").text(name)
+          .attr("href", attachmentHref)
+          .wrapInner("<tt></tt>").appendTo(li);
+        $("<span>()</span>").text("" + $.futon.formatSize(attachment.length) + 
+          ", " + attachment.content_type).addClass("info").appendTo(li);
+        if (name == "tests.js") {
+          li.find('span.info').append(', <a href="/_utils/couch_tests.html?' 
+            + attachmentHref + '">open in test runner</a>');
+        }
+        _initAttachmentItem(name, attachment, li);
+        return li;
+      }
+
+      function _initAttachmentItem(name, attachment, li) {
+        $("<button type='button' class='delete' title='Delete attachment'></button>").click(function() {
+          delete page.doc._attachments[name];
+          li.remove();
+          page.isDirty = true;
+          return false;
+        }).prependTo($("a", li));
+      }
+    }
+
+  });
+
+  function encodeDocId(docid) {
+    var encoded, parts = docid.split('/');
+    if (parts[0] == '_design') {
+      parts.shift();
+      encoded = encodeURIComponent(parts.join('/'));
+      return '_design/'+encoded;
+    } else {
+      return encodeURIComponent(docid);
+    }
+  };
+
+  function encodeAttachment(name) {
+    var encoded = [], parts = name.split('/');
+    for (var i=0; i < parts.length; i++) {
+      encoded.push(encodeURIComponent(parts[i]));
+    };
+    return encoded.join('/');
+  }
+
+})(jQuery);
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