New packages org (#2639)

New packages org

lib/core/viewer/directives/viewer-extension.directive.ts

@@ -0,0 +1,77 @@
+/*!
+ * @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 { AfterContentInit, ContentChild, Directive, Input, TemplateRef } from '@angular/core';
+import { ViewerComponent } from '../components/viewer.component';
+
+@Directive({
+    selector: 'adf-viewer-extension'
+})
+export class ViewerExtensionDirective implements AfterContentInit {
+
+    @ContentChild(TemplateRef)
+    template: any;
+
+    @Input()
+    urlFileContent: string;
+
+    @Input()
+    extension: string;
+
+    @Input()
+    supportedExtensions: string[];
+
+    templateModel: any;
+
+    constructor(private viewerComponent: ViewerComponent) {
+    }
+
+    ngAfterContentInit() {
+        this.templateModel = {template: this.template, isVisible: false};
+
+        this.viewerComponent.extensionTemplates.push(this.templateModel);
+
+        this.viewerComponent.extensionChange.subscribe((fileExtension) => {
+            this.templateModel.isVisible = this.isVisible(fileExtension);
+        });
+
+        if (this.supportedExtensions instanceof Array) {
+            this.supportedExtensions.forEach((extension) => {
+                this.viewerComponent.externalExtensions.push(extension);
+            });
+        }
+    }
+
+    /**
+     * check if the current extension in the viewer is compatible with this extension checking against supportedExtensions
+     *
+     * @returns {boolean}
+     */
+    isVisible(fileExtension) {
+        let supportedExtension: string;
+
+        if (this.supportedExtensions && (this.supportedExtensions instanceof Array)) {
+            supportedExtension = this.supportedExtensions.find((extension) => {
+                return extension.toLowerCase() === fileExtension;
+
+            });
+        }
+
+        return !!supportedExtension;
+    }
+
+}