Initial support for configurable columns

refs #51

ng2-components/ng2-alfresco-documentlist/src/components/content-column-list.ts

@@ -0,0 +1,37 @@
+/**
+ * @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.
+ */
+
+import {Component} from 'angular2/core';
+import {DocumentList} from './document-list';
+import {ContentColumnModel} from './../models/content-column.model';
+
+@Component({
+    selector: 'content-columns',
+    template: ''
+})
+export class ContentColumnList {
+    constructor(private documentList: DocumentList) {
+        // saves reference to parent container
+        // so that content children can access it
+    }
+
+    registerColumn(column: ContentColumnModel) {
+        if (column) {
+            this.documentList.columns.push(column);
+        }
+    }
+}