From 949f9da6a6548704786d809be76a3a2d47d6fabe Mon Sep 17 00:00:00 2001
From: Adam Kocoloski <adam@cloudant.com>
Date: Thu, 26 Aug 2010 12:21:37 -0400
Subject: move futon to share/www

---
 rel/overlay/share/www/script/jquery.suggest.js | 163 +++++++++++++++++++++++++
 1 file changed, 163 insertions(+)
 create mode 100644 rel/overlay/share/www/script/jquery.suggest.js

(limited to 'rel/overlay/share/www/script/jquery.suggest.js')

diff --git a/rel/overlay/share/www/script/jquery.suggest.js b/rel/overlay/share/www/script/jquery.suggest.js
new file mode 100644
index 00000000..fd94375a
--- /dev/null
+++ b/rel/overlay/share/www/script/jquery.suggest.js
@@ -0,0 +1,163 @@
+// http://svn.apache.org/repos/asf/couchdb/trunk/share/www/script/jquery.suggest.js
+
+// 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($) {
+
+  function suggest(elem, options) {
+    var timer = null;
+    var prevVal = null;
+    var cache = {};
+    var cacheKeys = [];
+
+    var input = $(elem).attr("autocomplete", "off");
+    var dropdown = $('<ul style="display: none; position: absolute; z-index: 10000"></ul>')
+      .addClass(options.dropdownClass).appendTo(document.body);
+
+    input
+      .blur(function() {
+        if (timer) clearTimeout(timer);
+        setTimeout(function() { dropdown.hide() }, 200);
+      })
+      .keydown(function(e) {
+        if ($.inArray(e.keyCode, [16, 17, 18, 20, 144, 91, 93, 224]) != -1) {
+          return; // ignore modifier keys
+        }
+        if (timer) clearTimeout(timer);
+        if ($.inArray(e.keyCode, [38, 40]) != -1 ||
+            (dropdown.is(":visible") && (e.keyCode == 27 ||
+             ($.inArray(e.keyCode, [9, 13]) != -1 && getSelection())))) {
+          switch(e.keyCode) {
+            case 38: // up
+              moveUp();
+              break;
+            case 40: // down
+              moveDown();
+              break;
+            case 9:  // tab
+            case 13: // return
+              commit();
+              if (e.keyCode == 9) return true;
+              break;
+            case 27: // escape
+              dropdown.hide();
+              break;
+          }
+          e.preventDefault(); e.stopPropagation();
+          return false;
+        } else {
+          timer = setTimeout(function() { suggest() }, options.delay);
+        }
+      });
+
+    function suggest(force) {
+      var newVal = $.trim(input.val());
+      if (force || newVal != prevVal) {
+        if (force || newVal.length >= options.minChars) {
+          if (options.cache && cache.hasOwnProperty(newVal)) {
+            show(cache[newVal].items, cache[newVal].render);
+          } else {
+            options.callback.apply(elem, [newVal, function(items, render) {
+              if (options.cache) {
+                if (cacheKeys.length >= options.cacheLimit) {
+                  delete cache[cacheKeys.shift()];
+                }
+                cache[newVal] = {items: items, render: render};
+                cacheKeys.push(newVal);
+              }
+              show(items, render);
+            }]);
+          }
+        } else {
+          dropdown.hide();
+        }
+        prevVal = newVal;
+      }
+    }
+
+    function show(items, render) {
+      if (!items) return;
+      if (!items.length) { dropdown.hide(); return; }
+      var offset = input.offset();
+      dropdown.empty().css({
+        top: (offset.top + input.outerHeight()) + "px", left: offset.left + "px",
+        minWidth: input.css("width")
+      });
+      render = render || function(idx, value) { return value; }
+      for (var i = 0; i < items.length; i++) {
+        var item = $("<li></li>").data("value", items[i]);
+        var rendered = render(i, items[i]);
+        if (typeof(rendered) == "string") {
+          item.text(rendered);
+        } else {
+          item.append(rendered);
+        }
+        item.appendTo(dropdown);
+      }
+      dropdown.slideDown("fast");
+      dropdown.children("li").click(function(e) {
+        $(this).addClass("selected");
+        commit();
+      });
+    }
+
+    function commit() {
+      var sel = getSelection();
+      if (sel) {
+        prevVal = sel.data("value");
+        input.val(prevVal);
+        if (options.select) {
+          options.select.apply(elem, [prevVal]);
+        }
+        dropdown.hide();
+      }
+      if (timer) clearTimeout(timer)
+    }
+
+    function getSelection() {
+      if (!dropdown.is(":visible")) return null;
+      var sel = dropdown.children("li.selected");
+      return sel.length ? sel : null;
+    }
+
+    function moveDown() {
+      if (!dropdown.is(":visible")) suggest(true);
+      var sel = getSelection();
+      if (sel) sel.removeClass("selected").next().addClass("selected");
+      else dropdown.children("li:first-child").addClass("selected");
+    }
+
+    function moveUp() {
+      if (!dropdown.is(":visible")) suggest(true);
+      var sel = getSelection();
+      if (sel) sel.removeClass("selected").prev().addClass("selected");
+      else dropdown.children("li:last-child").addClass("selected");
+    }
+  }
+
+  $.fn.suggest = function(callback, options) {
+    options = $.extend({
+      cache: true,
+      cacheLimit: 10,
+      callback: callback,
+      delay: 250,
+      dropdownClass: "suggest-dropdown",
+      minChars: 1,
+      select: null
+    }, options || {});
+    return this.each(function() {
+      suggest(this, options);
+    });
+  };
+
+})(jQuery);
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