#82 datatable project cleanup

basic implementation of main features:

- custom data sources
- column types
- sorting by columns
- click events

ng2-components/ng2-alfresco-datatable/src/data/datatable-adapter.ts

@@ -0,0 +1,47 @@
+/*!
+ * @license
+ * Copyright 2016 Alfresco Software, Ltd.
+ *
+ * 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.
+ */
+
+export interface DataTableAdapter {
+
+    rows: DataRow[];
+    columns: DataColumn[];
+
+    getValue(row: DataRow, col: DataColumn): any;
+    getSorting(): DataSorting;
+    setSorting(sorting: DataSorting): void;
+}
+
+export interface DataRow {
+    hasValue(key: string): boolean;
+    getValue(key: string): any;
+}
+
+export interface DataColumn {
+    key: string;
+    type: string; // text|image
+    sortable: boolean;
+    title: string;
+    srTitle: string;
+    cssClass: string;
+}
+
+export class DataSorting {
+    constructor(
+        public key: string,
+        public direction: string) {
+    }
+}