main application

src/app/components/page.component.ts

@@ -0,0 +1,124 @@
+/*!
+ * @license
+ * Copyright 2017 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 { MinimalNodeEntity, MinimalNodeEntryEntity, NodePaging, Pagination } from 'alfresco-js-api';
+
+export abstract class PageComponent {
+
+    title: string = 'Page';
+
+    isLoading: boolean = false;
+    isEmpty: boolean = true;
+
+    paging: NodePaging;
+    pagination: Pagination;
+
+    node: MinimalNodeEntryEntity;
+
+    abstract fetchNodes(parentNodeId?: string, options?: any): void;
+
+    onFetchError(error: any) {
+        this.isLoading = false;
+    }
+
+    getParentNodeId(): string {
+        return this.node ? this.node.id : null;
+    }
+
+    onPaginationChange(pagination: any) {
+        this.fetchNodes(this.getParentNodeId(), pagination);
+    }
+
+    onPageLoaded(page: NodePaging) {
+        this.isLoading = false;
+        this.paging = page;
+        this.pagination = page.list.pagination;
+        this.isEmpty = !(page.list.entries && page.list.entries.length > 0);
+    }
+
+    hasSelection(selection: Array<MinimalNodeEntity>): boolean {
+        return selection && selection.length > 0;
+    }
+
+    filesOnlySelected(selection: Array<MinimalNodeEntity>): boolean {
+        if (this.hasSelection(selection)) {
+            return selection.every(entity => entity.entry && entity.entry.isFile);
+        }
+        return false;
+    }
+
+    foldersOnlySelected(selection: Array<MinimalNodeEntity>): boolean {
+        if (this.hasSelection(selection)) {
+            return selection.every(entity => entity.entry && entity.entry.isFolder);
+        }
+        return false;
+    }
+
+    isFileSelected(selection: Array<MinimalNodeEntity>): boolean {
+        if (selection && selection.length === 1) {
+            let entry = selection[0].entry;
+
+            if (entry && entry.isFile) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    canEditFolder(selection: Array<MinimalNodeEntity>): boolean {
+        if (selection && selection.length === 1) {
+            let entry = selection[0].entry;
+
+            if (entry && entry.isFolder) {
+                return this.nodeHasPermission(entry, 'update');
+            }
+        }
+        return false;
+    }
+
+    canDelete(selection: Array<MinimalNodeEntity> = []): boolean {
+        return selection.every(node => node.entry && this.nodeHasPermission(node.entry, 'delete'));
+    }
+
+    canMove(selection: Array<MinimalNodeEntity>): boolean {
+        return this.canDelete(selection);
+    }
+
+    canPreviewFile(selection: Array<MinimalNodeEntity>): boolean {
+        return this.isFileSelected(selection);
+    }
+
+    canShareFile(selection: Array<MinimalNodeEntity>): boolean {
+        return this.isFileSelected(selection);
+    }
+
+    canDownloadFile(selection: Array<MinimalNodeEntity>): boolean {
+        return this.isFileSelected(selection);
+    }
+
+    nodeHasPermission(node: MinimalNodeEntryEntity, permission: string) {
+        if (node && permission) {
+            const { allowableOperations = [] } = <any>(node || {});
+
+            if (allowableOperations.indexOf(permission) > -1) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+}