IFrame SDK for widget.

backend/src/Squidex/wwwroot/scripts/editor-context.html

@@ -11,7 +11,8 @@
         textarea {
             box-sizing: border-box; 
             resize: none;
-            overflow: hidden;
+            overflow-x: hidden;
+            overflow-y: hidden;
             width: 100%;
         }
     </style>
@@ -25,7 +26,7 @@
         }
     </script>
 
-    <textarea  oninput="grow(this)" name="content" id="editor"></textarea>
+    <textarea oninput="grow(this)" name="content" id="editor"></textarea>
 
     <script>
         var element = document.getElementById('editor');

backend/src/Squidex/wwwroot/scripts/editor-sdk.d.ts

@@ -1,4 +1,4 @@
-declare class EditorPlugin {
+declare class SquidexSidebar {
     /**
      * Get the current context.
      */
@@ -29,6 +29,25 @@ declare class EditorPlugin {
     clean(): void; 
 }
 
+declare class SquidexWidget {
+    /**
+     * Get the current context.
+     */
+    getContext(): any;
+
+    /**
+     * Register an function that is called when the sidebar is initialized.
+     *
+     * @param {function} callback: The callback to invoke.
+     */
+    onInit(callback: () => void): void;
+    /**
+     * Clean the editor SDK.
+     */
+    clean(): void; 
+}
+
+
 declare class SquidexFormField {
     /**
      * Get the current value.

backend/src/Squidex/wwwroot/scripts/editor-sdk.js

@@ -53,7 +53,7 @@ function isArrayOfStrings(value) {
     return true;
 }
 
-function SquidexPlugin() {
+function SquidexSidebar() {
     var initHandler;
     var initCalled = false;
     var contentHandler;
@@ -94,7 +94,7 @@ function SquidexPlugin() {
 
     timer = measureAndNotifyParent();
 
-    var editor = {
+    var plugin = {
         /**
          * Get the current context.
          */
@@ -153,7 +153,70 @@ function SquidexPlugin() {
         }
     };
 
-    return editor;
+    return plugin;
+}
+
+function SquidexWidget() {
+    var initHandler;
+    var initCalled = false;
+    var context;
+
+    document.body.style.margin = '0';
+    document.body.style.padding = '0';
+
+    function raiseInit() {
+        if (initHandler && !initCalled && context) {
+            initHandler(context);
+            initCalled = true;
+        }
+    }
+
+    function eventListener(event) {
+        if (event.source !== window) {
+            var type = event.data.type;
+            
+            if (type === 'init') {
+                context = event.data.context;
+
+                raiseInit();
+            }
+        }
+    }
+
+    window.addEventListener('message', eventListener, false);
+
+    var plugin = {
+        /**
+         * Get the current context.
+         */
+        getContext: function () {
+            return context;
+        },
+
+        /**
+         * Register an function that is called when the sidebar is initialized.
+         *
+         * @param {function} callback: The callback to invoke.
+         */
+        onInit: function (callback) {
+            if (!isFunction(callback)) {
+                return;
+            }
+
+            initHandler = callback;
+
+            raiseInit();
+        },
+
+        /**
+         * Clean the editor SDK.
+         */
+        clean: function () {
+            window.removeEventListener('message', eventListener);
+        }
+    };
+
+    return plugin;
 }
 
 function SquidexFormField() {
@@ -310,7 +373,7 @@ function SquidexFormField() {
 
     timer = measureAndNotifyParent();
 
-    var editor = {
+    var plugin = {
         /**
          * Get the current value.
          */
@@ -634,13 +697,13 @@ function SquidexFormField() {
          * Clean the editor SDK.
          */
         clean: function () {
-            if (timer) {
+            window.removeEventListener('message', eventListener);
-                window.removeEventListener('message', eventListener);
 
+            if (timer) {
                 timer();
             }
         }
     };
 
-    return editor;
+    return plugin;
 };

backend/src/Squidex/wwwroot/scripts/sidebar-content.html

@@ -27,7 +27,7 @@
         }
     </script>
 
-    <textarea  oninput="grow(this)" name="content" id="editor"></textarea>
+    <textarea oninput="grow(this)" name="content" id="editor"></textarea>
 
     <script>
         var element = document.getElementById('editor');

backend/src/Squidex/wwwroot/scripts/sidebar-context.html

@@ -13,7 +13,8 @@
             border: 0;
             border-radius: 0;
             resize: none;
-            overflow: hidden;
+            overflow-x: hidden;
+            overflow-y: hidden;
             width: 100%;
         }
     </style>
@@ -27,7 +28,7 @@
         }
     </script>
 
-    <textarea  oninput="grow(this)" name="content" id="editor"></textarea>
+    <textarea oninput="grow(this)" name="content" id="editor"></textarea>
 
     <script>
         var element = document.getElementById('editor');

backend/src/Squidex/wwwroot/scripts/widget-context.html

@@ -0,0 +1,45 @@
+<!DOCTYPE html>
+<html>
+
+<head>
+    <meta charset="utf-8">
+
+    <!-- Load the editor sdk from the local folder or https://cloud.squidex.io/scripts/editor-sdk.js -->
+    <script src="editor-sdk.js"></script>
+
+    <style>
+        textarea {
+            border-radius: 0;
+            border: 0;
+            bottom: 0;
+            box-sizing: border-box; 
+            left: 0;
+            position: fixed;
+            resize: none;
+            right: 0;
+            top: 0;
+        }
+    </style>
+</head>
+
+<body>
+    <textarea name="content" id="editor"></textarea>
+
+    <script>
+        var element = document.getElementById('editor');
+
+        // When the field is instantiated it notifies the UI that it has been loaded.
+        // 
+        // Furthermore it sends the current size to the parent.
+        var field = new SquidexFormField();
+
+        // Init is called once with a context that contains the app name, schema name and authentication information.
+        field.onInit(function (context) {
+            element.innerHTML = JSON.stringify(context, null, 2);
+
+            grow(element);
+        });
+    </script>
+</body>
+
+</html>

frontend/src/app/features/dashboard/pages/dashboard-config.component.ts

@@ -60,7 +60,7 @@ export class DashboardConfigComponent {
         }
 
         if (changes.app) {
-            this.uiState.getAppUser('dashboard.grid', this.configDefaults).pipe(take(1))
+            this.uiState.getAppShared('dashboard.grid', this.configDefaults).pipe(take(1))
                 .subscribe(dto => {
                     this.setConfig(dto);
                 });
@@ -91,7 +91,6 @@ export class DashboardConfigComponent {
 
     public resetConfig() {
         this.setConfig(Types.clone(this.configDefaults));
-
         this.saveConfig();
     }
 

frontend/src/app/features/dashboard/pages/dashboard-page.component.html

@@ -68,7 +68,7 @@
                         <sqx-content-summary-card [app]="app" [options]="item"></sqx-content-summary-card>
                     </ng-container>
                     <ng-container *ngSwitchCase="'iframe'">
-                        <sqx-iframe-card [options]="item"></sqx-iframe-card>
+                        <sqx-iframe-card [app]="app" [options]="item"></sqx-iframe-card>
                     </ng-container>
                 </ng-container>
             </gridster-item>

frontend/src/app/features/teams/pages/dashboard/dashboard-page.component.html

@@ -56,7 +56,7 @@
                         <sqx-support-card></sqx-support-card>
                     </ng-container>
                     <ng-container *ngSwitchCase="'iframe'">
-                        <sqx-iframe-card [options]="item"></sqx-iframe-card>
+                        <sqx-iframe-card [team]="team" [options]="item"></sqx-iframe-card>
                     </ng-container>
                 </ng-container>
             </gridster-item>

frontend/src/app/shared/components/cards/iframe-card.component.ts

@@ -5,7 +5,9 @@
  * Copyright (c) Squidex UG (haftungsbeschränkt). All rights reserved.
  */
 
-import { AfterViewInit, ChangeDetectionStrategy, Component, ElementRef, Input, ViewChild } from '@angular/core';
+import { AfterViewInit, ChangeDetectionStrategy, Component, ElementRef, HostListener, Input, ViewChild } from '@angular/core';
+import { ApiUrlConfig, Types } from '@app/framework';
+import { AppDto, AuthService, TeamDto } from '@app/shared/internal';
 
 @Component({
     selector: 'sqx-iframe-card',
@@ -14,13 +16,67 @@ import { AfterViewInit, ChangeDetectionStrategy, Component, ElementRef, Input, V
     changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class IFrameCardComponent implements AfterViewInit {
+    private readonly context: any;
+    private isInitialized = false;
+
     @Input()
     public options: any;
 
     @ViewChild('iframe', { static: false })
     public iframe!: ElementRef<HTMLIFrameElement>;
 
+    @Input()
+    public set team(value: TeamDto | undefined | null) {
+        if (value) {
+            this.context.teamId = value.id;
+            this.context.teamName = value.name;
+        }
+    }
+
+    @Input()
+    public set app(value: AppDto | undefined | null) {
+        if (value) {
+            this.context.appId = value.id;
+            this.context.appName = value.name;
+        }
+    }
+
+    constructor(apiUrl: ApiUrlConfig, authService: AuthService) {
+        this.context = { apiUrl: apiUrl.buildUrl('api'), user: authService.user };
+    }
+
     public ngAfterViewInit() {
         this.iframe.nativeElement.src = this.options?.src;
     }
+
+    @HostListener('window:message', ['$event'])
+    public onWindowMessage(event: MessageEvent) {
+        if (event.source === this.iframe.nativeElement.contentWindow) {
+            const { type } = event.data;
+
+            if (type === 'started') {
+                this.isInitialized = true;
+
+                this.sendInit();
+            }
+        }
+    }
+
+    private sendInit() {
+        this.sendMessage('init', { context: this.context });
+    }
+
+    private sendMessage(type: string, payload: any) {
+        if (!this.iframe) {
+            return;
+        }
+
+        const iframe = this.iframe.nativeElement;
+
+        if (this.isInitialized && iframe.contentWindow && Types.isFunction(iframe.contentWindow.postMessage)) {
+            const message = { type, ...payload };
+
+            iframe.contentWindow.postMessage(message, '*');
+        }
+    }
 }