Implement basic text search

MessageList.js

@@ -198,6 +198,14 @@ var MessageList = React.createClass({
                 a[i] = null;
         return a;
     },
+    onSearchTextChange: function(event)
+    {
+        var s = event.target.value;
+        this.setState({ searchText: s });
+        if (this._searchTimeout)
+            clearTimeout(this._searchTimeout);
+        this._searchTimeout = setTimeout(function() { Store.search(s) }, 300);
+    },
     render: function()
     {
         var self = this;
@@ -208,7 +216,7 @@ var MessageList = React.createClass({
             <div className="bottom-border-gradient"></div>
             <div className="actions">
                 <div className="searchbox">
-                    <input type="text" placeholder="Search mail" />
+                    <input type="text" placeholder="Search mail" value={this.state.searchText} onChange={this.onSearchTextChange} />
                 </div>
                 <DropDownButton dropdownId="threads" className="threads"
                     title="Show Message Thread" checkedTitle="Hide Message Thread" icon="thread" checkedIcon="thread_selected" checkable="1" />

Store.js

@@ -156,6 +156,11 @@ var Store = module.exports = {
         });
     },
 
+    search: function(text)
+    {
+        Store.loadFolder({ ...Store.get('folderParams'), search: text });
+    },
+
     loadMessages: function(start, count)
     {
         var p = { ...Store.get('folderParams') };