feat(list-editor): insert a child node at a specific position (DSP-1301)

package.json

@@ -31,7 +31,7 @@
     "@angular/platform-browser-dynamic": "~9.1.12",
     "@angular/router": "~9.1.12",
     "@ckeditor/ckeditor5-angular": "^1.2.3",
-    "@dasch-swiss/dsp-js": "^2.0.2",
+    "@dasch-swiss/dsp-js": "^2.1.0",
     "@dasch-swiss/dsp-ui": "^1.2.2",
     "@ngx-translate/core": "^13.0.0",
     "@ngx-translate/http-loader": "^6.0.0",

src/app/main/dialog/dialog.component.html

@@ -145,6 +145,13 @@
             (updateParent)="replaceTitle($event)"></app-list-info-form>
     </div>
 
+    <!-- Insert list child node -->
+    <div *ngSwitchCase="'insertListNode'">
+        <app-dialog-header [title]="data.title" [subtitle]="'Insert new child node'">
+        </app-dialog-header>
+        <app-edit-list-item [iri]="data.id" [projectIri]="data.project" mode="insert" [projectCode]="data.projectCode" [parentIri]="data.parentIri" [position]="data.position" (closeDialog)="dialogRef.close($event)"></app-edit-list-item>
+    </div>
+
     <!-- Update list info -->
     <div *ngSwitchCase="'editListInfo'">
         <app-dialog-header [title]="data.title" [subtitle]="'Edit list info'">
@@ -157,7 +164,7 @@
     <div *ngSwitchCase="'editListNode'">
         <app-dialog-header [title]="data.title" [subtitle]="'Edit child node'">
         </app-dialog-header>
-        <app-edit-list-item [iri]="data.id" [projectIri]="data.project" (closeDialog)="dialogRef.close($event)"></app-edit-list-item>
+        <app-edit-list-item [iri]="data.id" [projectIri]="data.project" mode="update" (closeDialog)="dialogRef.close($event)"></app-edit-list-item>
     </div>
 
     <!-- Delete list node-->

src/app/project/list/list-item-form/edit-list-item/edit-list-item.component.html

@@ -37,8 +37,8 @@
                 type="submit"
                 color="primary"
                 [disabled]="saveButtonDisabled"
-                (click)="updateChildNode()">
-                {{ 'appLabels.form.action.update' | translate }}
+                (click)=" mode === 'editListNode' ? updateChildNode() : insertChildNode()">
+                {{ mode === 'editListNode' ? 'appLabels.form.action.update' : 'appLabels.form.action.submit' | translate }}
             </button>
         </span>
     </div>

src/app/project/list/list-item-form/edit-list-item/edit-list-item.component.ts

@@ -1,5 +1,5 @@
 import { Component, EventEmitter, Inject, Input, OnInit, Output } from '@angular/core';
-import { ApiResponseData, ApiResponseError, ChildNodeInfoResponse, KnoraApiConnection, List, ListNodeInfo, ListNodeInfoResponse, StringLiteral, UpdateChildNodeRequest } from '@dasch-swiss/dsp-js';
+import { ApiResponseData, ApiResponseError, ChildNodeInfoResponse, CreateChildNodeRequest, KnoraApiConnection, List, ListNodeInfo, ListNodeInfoResponse, StringLiteral, UpdateChildNodeRequest } from '@dasch-swiss/dsp-js';
 import { DspApiConnectionToken } from '@dasch-swiss/dsp-ui';
 
 @Component({
@@ -12,6 +12,14 @@ export class EditListItemComponent implements OnInit {
 
     @Input() iri: string;
 
+    @Input() mode: 'insert' | 'update';
+
+    @Input() parentIri?: string;
+
+    @Input() position?: number;
+
+    @Input() projectCode?: string;
+
     @Input() projectIri: string;
 
     @Output() closeDialog: EventEmitter<List | ListNodeInfo> = new EventEmitter<List>();
@@ -46,16 +54,23 @@ export class EditListItemComponent implements OnInit {
     ngOnInit(): void {
         this.loading = true;
 
-        // get list
-        this._dspApiConnection.admin.listsEndpoint.getListNodeInfo(this.iri).subscribe(
-            (response: ApiResponseData<ListNodeInfoResponse>) => {
-                this.listNode = response.body.nodeinfo;
-                this.buildForm(response.body.nodeinfo);
-            },
-            (error: ApiResponseError) => {
-                console.error(error);
-            }
-        );
+        // if updating a node, get the existing node info
+        if (this.mode === 'update') {
+            this._dspApiConnection.admin.listsEndpoint.getListNodeInfo(this.iri).subscribe(
+                (response: ApiResponseData<ListNodeInfoResponse>) => {
+                    this.listNode = response.body.nodeinfo;
+                    this.buildForm(response.body.nodeinfo);
+                },
+                (error: ApiResponseError) => {
+                    console.error(error);
+                }
+            );
+        } else {
+            this.labels = [];
+            this.comments = [];
+
+            this.loading = false;
+        }
     }
 
     /**
@@ -105,8 +120,8 @@ export class EditListItemComponent implements OnInit {
     }
 
     /**
-     * Called from the template when the 'update' button is clicked.
-     * Sends a request to DSP-API to update the list node with the data inside the two local arrays.
+     * Called from the template when the 'submit' button is clicked in update mode.
+     * Sends a request to DSP-API to update the list child node with the data inside the two local arrays.
      */
     updateChildNode() {
         const childNodeUpdateData: UpdateChildNodeRequest = new UpdateChildNodeRequest();
@@ -127,4 +142,30 @@ export class EditListItemComponent implements OnInit {
         );
     }
 
+    /**
+     * Called from the template when the 'submit' button is clicked in insert mode.
+     * Sends a request to DSP-API to insert a new list child node in the provided position.
+     */
+    insertChildNode() {
+        const createChildNodeRequest: CreateChildNodeRequest = new CreateChildNodeRequest();
+
+        createChildNodeRequest.name = this.projectCode + '-' + Math.random().toString(36).substr(2) + Math.random().toString(36).substr(2);
+        createChildNodeRequest.parentNodeIri = this.parentIri;
+        createChildNodeRequest.labels = this.labels;
+        createChildNodeRequest.comments = this.comments.length > 0 ? this.comments : [];
+        createChildNodeRequest.projectIri = this.projectIri;
+        createChildNodeRequest.position = this.position;
+
+        this._dspApiConnection.admin.listsEndpoint.createChildNode(createChildNodeRequest).subscribe(
+            (response: ApiResponseData<ListNodeInfoResponse>) => {
+                this.loading = false;
+                this.closeDialog.emit(response.body.nodeinfo);
+            },
+            (error: ApiResponseError) => {
+                this.errorMessage = error;
+                this.loading = false;
+            }
+        );
+    }
+
 }

src/app/project/list/list-item-form/list-item-form.component.html

@@ -1,5 +1,5 @@
 <!-- add new node item -->
-<div class="new-list-item medium-field" *ngIf="parentIri && projectIri">
+<div class="new-list-item medium-field" *ngIf="newNode">
     <dsp-string-literal-input class="list-item-label" [placeholder]="placeholder" [value]="[]"
         (dataChanged)="handleData($event)" [language]="language" (enter)="createChildNode()">
     </dsp-string-literal-input>
@@ -14,7 +14,7 @@
 
 <!-- node item -->
 <div class="list-item medium-field"
-    *ngIf="!(parentIri && projectIri) && labels"
+    *ngIf="!newNode"
     (mouseenter)="mouseEnter()"
     (mouseleave)="mouseLeave()">
     <dsp-string-literal-input class="list-item-label"
@@ -37,6 +37,12 @@
                     class="reposition down">
                 <mat-icon>arrow_downward</mat-icon>
             </button>
+            <button mat-button
+                    title="insert new child node above"
+                    (click)="$event.stopPropagation(); openDialog('insertListNode', labels[0].value, iri)"
+                    class="insert">
+                <mat-icon>vertical_align_top</mat-icon>
+            </button>
             <button mat-button
                     class="edit"
                     title="edit"

src/app/project/list/list-item-form/list-item-form.component.ts

@@ -11,15 +11,14 @@ import {
     ListInfoResponse,
     ListNode,
     ListNodeInfoResponse,
-    RepositionChildNodeRequest,
     StringLiteral
 } from '@dasch-swiss/dsp-js';
 import { DspApiConnectionToken } from '@dasch-swiss/dsp-ui';
 import { DialogComponent } from 'src/app/main/dialog/dialog.component';
 import { ErrorHandlerService } from 'src/app/main/error/error-handler.service';
 
 export class ListNodeOperation {
-    operation: 'create' | 'update' | 'delete' | 'reposition';
+    operation: 'create' | 'insert' | 'update' | 'delete' | 'reposition';
     listNode: ListNode;
 }
 
@@ -82,6 +81,8 @@ export class ListItemFormComponent implements OnInit {
     // is this node in the last position of the list
     @Input() lastPosition: boolean = false;
 
+    @Input() newNode: boolean = false;
+
     @Output() refreshParent: EventEmitter<ListNodeOperation> = new EventEmitter<ListNodeOperation>();
 
     loading: boolean;
@@ -107,7 +108,7 @@ export class ListItemFormComponent implements OnInit {
         }
 
         // it can be used in the input placeholder
-        if (this.parentIri) {
+        if (this.newNode) {
             this._dspApiConnection.admin.listsEndpoint.getListNodeInfo(this.parentIri).subscribe(
                 (response: ApiResponseData<ListNodeInfoResponse | ListInfoResponse>) => {
                     if (response.body instanceof ListInfoResponse) { // root node
@@ -211,12 +212,21 @@ export class ListItemFormComponent implements OnInit {
      * @param iri iri of the node.
      */
     openDialog(mode: string, name: string, iri?: string): void {
+
         const dialogConfig: MatDialogConfig = {
             width: '640px',
             position: {
                 top: '112px'
             },
-            data: { mode: mode, title: name, id: iri, project: this.projectIri }
+            data: {
+                mode: mode,
+                title: mode === 'editListNode' ? name : 'Insert new child node',
+                id: iri,
+                project: this.projectIri,
+                projectCode: this.projectcode,
+                parentIri: this.parentIri,
+                position: this.position
+            }
         };
 
         // open the dialog box
@@ -226,19 +236,24 @@ export class ListItemFormComponent implements OnInit {
         );
 
         dialogRef.afterClosed().subscribe((data: ChildNodeInfo | boolean) => {
-
             // init data to emit to parent
             const listNodeOperation = new ListNodeOperation();
 
-            if (data instanceof ChildNodeInfo) { // update
+            if (mode === 'insertListNode' && data) {
+                // the call to DSP-API to insert the new node is done in the child component
+                listNodeOperation.listNode = (data as ListNode);
+                listNodeOperation.operation = 'insert';
+
+                this.refreshParent.emit(listNodeOperation);
+            } else if (mode === 'editListNode' && data) { // update
                 // the call to DSP-API to update the node is done in the child component
                 listNodeOperation.listNode = (data as ListNode);
                 listNodeOperation.operation = 'update';
 
                 // emit data to parent to update the view
                 this.refreshParent.emit(listNodeOperation);
-                this.labels = data.labels;
-            } else if (typeof(data) === 'boolean' && data === true) { // delete
+                this.labels = (data as ChildNodeInfo).labels;
+            } else if (mode === 'deleteListNode' && typeof(data) === 'boolean' && data === true) { // delete
                 // delete the node
                 this._dspApiConnection.admin.listsEndpoint.deleteListNode(iri).subscribe(
                     (response: ApiResponseData<DeleteListNodeResponse>) => {
@@ -272,6 +287,10 @@ export class ListItemFormComponent implements OnInit {
         });
     }
 
+    /**
+     * Called from the template when either of the two reposition buttons is clicked
+     * @param direction in which direction the node should move
+     */
     repositionNode(direction: 'up' | 'down') {
         const listNodeOperation = new ListNodeOperation();
 

src/app/project/list/list-item/list-item.component.html

@@ -11,7 +11,7 @@
         <!-- existing node: show label in form; value is e.g. {{node.labels[0].value}} -->
         <app-list-item-form [iri]="node.id" [language]="language" (refreshParent)="updateView($event, true)"
                             [projectIri]="projectIri" [projectcode]="projectcode" [labels]="node.labels"
-                            [position]="node.position" [lastPosition]="last">
+                            [position]="node.position" [lastPosition]="last" [parentIri]="parentIri">
         </app-list-item-form>
 
 
@@ -26,15 +26,15 @@
         <div *ngIf="node.id === expandedNode && node.children.length === 0" class="child-node">
             <!-- first child should have an empty list? yes -->
             <app-list-item-form class="append-child-node" [parentIri]="node.id" [projectIri]="projectIri"
-                                [projectcode]="projectcode" [language]="language"
+                                [projectcode]="projectcode" [language]="language" [newNode]="true"
                                 (refreshParent)="updateView($event, true)">
             </app-list-item-form>
         </div>
 
         <!-- form to append new item to parent node -->
         <app-list-item-form class="list-node append-child-node" *ngIf="last" [parentIri]="parentIri"
                             [projectIri]="projectIri" [projectcode]="projectcode" [language]="language"
-                            (refreshParent)="updateView($event)">
+                            [newNode]="true" (refreshParent)="updateView($event)">
         </app-list-item-form>
 
     </div>