File View-editor component

Added file manager code for editor component. User can select the file
to be viewed through this file manager

Issue-ID: CCSDK-1098
Change-Id: I1063069f8d6f982b0667210673aa3369465e1c3f
Signed-off-by: Arundathi Patil <arundpil@in.ibm.com>

3 files changed, 123 insertions, 3 deletions

diff --git a/cds-ui/client/src/app/feature-modules/blueprint/modify-template/editor/editor.component.html b/cds-ui/client/src/app/feature-modules/blueprint/modify-template/editor/editor.component.html
index 9d698bd0a..9dbaf6728 100644
--- a/cds-ui/client/src/app/feature-modules/blueprint/modify-template/editor/editor.component.html
+++ b/cds-ui/client/src/app/feature-modules/blueprint/modify-template/editor/editor.component.html
@@ -1,4 +1,4 @@
-
+<!--
 ============LICENSE_START==========================================
 ===================================================================
 Copyright (C) 2018-19 IBM Intellectual Property. All rights reserved.
@@ -18,3 +18,28 @@ See the License for the specific language governing permissions and
 limitations under the License.
 ============LICENSE_END============================================ -->
 
+<div class="container">
+        <div class="fileViewContainer">
+          <mat-tree [dataSource]="dataSource" [treeControl]="treeControl">
+            <!-- This is the tree node template for leaf nodes -->
+            <mat-tree-node *matTreeNodeDef="let node" matTreeNodePadding>
+              <!-- use a disabled button to provide padding for tree leaf -->
+              <button mat-icon-button disabled></button>
+              <span (click)="fileClicked(node.name)">{{node.name}}</span>
+            </mat-tree-node>
+            <!-- This is the tree node template for expandable nodes -->
+            <mat-tree-node *matTreeNodeDef="let node;when: hasChild" matTreeNodePadding>
+              <button mat-icon-button matTreeNodeToggle
+                      [attr.aria-label]="'toggle ' + node.name">
+                <mat-icon class="mat-icon-rtl-mirror">
+                  {{treeControl.isExpanded(node) ? 'expand_more' : 'chevron_right'}}
+                </mat-icon>
+              </button>
+              <span (click)="fileClicked(node.name)">{{node.name}}</span>
+            </mat-tree-node>
+          </mat-tree>
+        </div>
+        <div class="editorConatiner">
+          <p>Here comes the actual editor</p>
+        </div>
+</div>
\ No newline at end of file
diff --git a/cds-ui/client/src/app/feature-modules/blueprint/modify-template/editor/editor.component.scss b/cds-ui/client/src/app/feature-modules/blueprint/modify-template/editor/editor.component.scss
index ed77e232b..f7e6f493c 100644
--- a/cds-ui/client/src/app/feature-modules/blueprint/modify-template/editor/editor.component.scss
+++ b/cds-ui/client/src/app/feature-modules/blueprint/modify-template/editor/editor.component.scss
@@ -17,4 +17,21 @@ 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.
 ============LICENSE_END============================================
-*/
\ No newline at end of file
+*/
+.container {
+    display: flex;
+    flex-direction: row;
+
+    .fileViewContainer {
+        width: 20%;
+        margin: 2px
+    }
+
+    .editorConatiner {
+        width: 80%;
+        background-color: gainsboro;
+        height: 533px;
+        margin-left: 5em;
+    }
+
+}
\ No newline at end of file
diff --git a/cds-ui/client/src/app/feature-modules/blueprint/modify-template/editor/editor.component.ts b/cds-ui/client/src/app/feature-modules/blueprint/modify-template/editor/editor.component.ts
index 18b4563fa..bf135bba2 100644
--- a/cds-ui/client/src/app/feature-modules/blueprint/modify-template/editor/editor.component.ts
+++ b/cds-ui/client/src/app/feature-modules/blueprint/modify-template/editor/editor.component.ts
@@ -20,6 +20,60 @@ limitations under the License.
 */
 
 import { Component, OnInit } from '@angular/core';
+import {FlatTreeControl} from '@angular/cdk/tree';
+import {MatTreeFlatDataSource, MatTreeFlattener} from '@angular/material/tree';
+
+interface FoodNode {
+  name: string;
+  children?: FoodNode[];
+}
+
+const TREE_DATA: FoodNode[] = [
+  {
+    name: 'Definitions',
+    children: [
+      {name: 'activation-blueprint.json'},
+      {name: 'artifacts_types.json'},
+      {name: 'data_types.json'},
+    ]
+  }, 
+  {
+    name: 'Scripts',
+    children: [
+      {
+        name: 'kotlin',
+        children: [
+          {name: 'ScriptComponent.cba.kts'},
+          {name: 'ResourceAssignmentProcessor.cba.kts'},
+        ]
+      }
+    ]
+  },
+  {
+    name: 'Templates',
+    children: [
+      {
+        name: 'baseconfig-template'
+      }
+    ]
+  },
+  {
+    name: 'TOSCA-Metada',
+    children: [
+      {
+        name: 'TOSCA.meta'
+      }
+    ]
+  },
+];
+
+/** Flat node with expandable and level information */
+interface ExampleFlatNode {
+  expandable: boolean;
+  name: string;
+  level: number;
+}
+
 
 @Component({
   selector: 'app-editor',
@@ -28,9 +82,33 @@ import { Component, OnInit } from '@angular/core';
 })
 export class EditorComponent implements OnInit {
 
-  constructor() { }
+  private transformer = (node: FoodNode, level: number) => {
+    return {
+      expandable: !!node.children && node.children.length > 0,
+      name: node.name,
+      level: level,
+    };
+  }
+
+  treeControl = new FlatTreeControl<ExampleFlatNode>(
+      node => node.level, node => node.expandable);
+
+  treeFlattener = new MatTreeFlattener(
+      this.transformer, node => node.level, node => node.expandable, node => node.children);
+
+  dataSource = new MatTreeFlatDataSource(this.treeControl, this.treeFlattener);
+
+  constructor() { 
+    this.dataSource.data = TREE_DATA;
+  }
+
+  hasChild = (_: number, node: ExampleFlatNode) => node.expandable;
 
   ngOnInit() {
   }
 
+  fileClicked(file) {
+    console.log('selected file:' + file);
+  }
+
 }