From 25199ab4c29057d7c0a73812fc8f2ac3605c1d86 Mon Sep 17 00:00:00 2001
From: Paul Duncan <pabs@pablotron.org>
Date: Wed, 10 Aug 2016 21:04:41 -0400
Subject: add documentation

---
 js/doc.js | 89 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 js/doc.js

(limited to 'js/doc.js')

diff --git a/js/doc.js b/js/doc.js
new file mode 100644
index 0000000..8846c54
--- /dev/null
+++ b/js/doc.js
@@ -0,0 +1,89 @@
+document.addEventListener('DOMContentLoaded', function() {
+  var sessionStorage = window.sessionStorage;
+  if(!sessionStorage) {
+    sessionStorage = {
+      setItem: function() {},
+      getItem: function() {},
+      removeItem: function() {}
+    };
+  }
+
+  var repositoryName = document.getElementById('repository-name').getAttribute('content');
+  var typesList = document.getElementById('types-list');
+  var searchInput = document.getElementById('search-input');
+  var parents = document.querySelectorAll('#types-list li.parent');
+
+  for(var i = 0; i < parents.length; i++) {
+    var _parent = parents[i];
+    _parent.addEventListener('click', function(e) {
+      e.stopPropagation();
+
+      if(e.target.tagName.toLowerCase() == 'li') {
+        if(e.target.className.match(/open/)) {
+          sessionStorage.removeItem(e.target.getAttribute('data-id'));
+          e.target.className = e.target.className.replace(/ +open/g, '');
+        } else {
+          sessionStorage.setItem(e.target.getAttribute('data-id'), '1');
+          if(e.target.className.indexOf('open') == -1) {
+            e.target.className += ' open';
+          }
+        }
+      }
+    });
+
+    if(sessionStorage.getItem(_parent.getAttribute('data-id')) == '1') {
+      _parent.className += ' open';
+    }
+  };
+
+  var childMatch = function(type, regexp){
+    var types = type.querySelectorAll("ul li");
+    for (var j = 0; j < types.length; j ++) {
+      var t = types[j];
+      if(regexp.exec(t.getAttribute('data-name'))){ return true; };
+    };
+    return false;
+  };
+
+  var searchTimeout;
+  searchInput.addEventListener('keyup', function() {
+    clearTimeout(searchTimeout);
+    searchTimeout = setTimeout(function() {
+      var text = searchInput.value;
+      var types = document.querySelectorAll('#types-list li');
+      var words = text.toLowerCase().split(/\s+/).filter(function(word) {
+        return word.length > 0;
+      });
+      var regexp = new RegExp(words.join('|'));
+
+      for(var i = 0; i < types.length; i++) {
+        var type = types[i];
+        if(words.length == 0 || regexp.exec(type.getAttribute('data-name')) || childMatch(type, regexp)) {
+          type.className = type.className.replace(/ +hide/g, '');
+          var is_parent     =   new RegExp("parent").exec(type.className);
+          var is_not_opened = !(new RegExp("open").exec(type.className));
+          if(childMatch(type,regexp) && is_parent && is_not_opened){
+            type.className += " open";
+          };
+        } else {
+          if(type.className.indexOf('hide') == -1) {
+            type.className += ' hide';
+          };
+        };
+        if(words.length == 0){
+          type.className = type.className.replace(/ +open/g, '');
+        };
+      }
+    }, 200);
+  });
+
+  typesList.onscroll = function() {
+    var y = typesList.scrollTop;
+    sessionStorage.setItem(repositoryName + '::types-list:scrollTop', y);
+  };
+
+  var initialY = parseInt(sessionStorage.getItem(repositoryName + '::types-list:scrollTop') + "", 10);
+  if(initialY > 0) {
+    typesList.scrollTop = initialY;
+  }
+});
-- 
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