Custom UI component implemented using remote module

Level: intermediate

In Creatio, you can expand the out-of-the-box set of Freedom UI page components with custom UI components.

Creatio lets you implement the following custom UI component types:

• Custom UI component based on a classic Creatio page element. Learn more: Custom UI component based on a classic Creatio page element.
• Custom UI component implemented using remote module.

The development of custom UI component using remote module is based on the Module Federation plugin. The purpose of the Module Federation plugin is to divide the app into multiple smaller modules (components, remote modules) built independently. The plugin lets you develop custom UI components using various frameworks and library versions. Learn more in the official webpack documentation.

note

When using the Module Federation plugin, you might experience difficulties with managing libraries that register themselves as global variables, for example, lodash.

The project of a remote module has a modular structure. I. e., the business logic and view elements are aggregated into modules, which, in turn, can be aggregated into higher-level modules.

View an example of the CrtCdkModule root project module that contains the CrtInputModule and CrtButtonModule nested modules that have their own view elements on the chart below.

To implement a custom UI component using remote module:

1. Create an Angular project to develop a custom UI component using remote module.
2. Create a custom UI component using remote module.
3. Implement the business logic of the custom UI component using remote module.
4. Add the custom UI component implemented using remote module to the library of the Freedom UI Designer (optional).
5. Add the custom UI component implemented using remote module to the Freedom UI page.

1. Create an Angular project to develop a custom UI component using remote module

Develop a custom UI component in a dedicated npm package using an external IDE. This example covers the custom UI component development in Microsoft Visual Studio Code. We recommend utilizing components created using the Angular framework. The framework requires a globally installed interface of the @angular/cli command line. To set up the environment for component development using Angular CLI, run the npm install -g @angular/cli command at the command line terminal of Microsoft Visual Studio Code.

A custom Freedom UI component lets you include an external JS library. To do this, install the release version of the library using npm.

You can create an Angular project to develop a custom UI component using remote module in the following ways:

• Use a *.zip archive of the Angular project that contains the template of a remote module. View a detailed example that creates an Angular project to develop a remote module: Implement a custom UI component using remote module.
• Use the Clio utility.

Create an Angular project to develop a custom UI component using remote module via a *.zip archive

1. Download and unpack the *.zip archive.

2. Open the project in Microsoft Visual Studio Code.

3. Change the <%projectName%> macro of the Angular project name to the name of the package to transfer the remote module. Enter the package name in snake case, for example, process_designer. Change the macro in every project file.

4. Change the <%vendorPrefix%> prefix macro to the object name prefix, for example, usr. The prefix can contain up to 50 lowercase Latin characters. Change the macro in every project file.

5. Install the npm modules. To do this, run the npm i command at the command line terminal of Microsoft Visual Studio Code. The installation might take some time.

6. Install or update the @creatio-devkit/common library (optional).

   • Run the npm install @creatio-devkit/common command at the command line terminal of Microsoft Visual Studio Code to install the release version of the library.
   • Run the npm update @creatio-devkit/common command at the command line terminal of Microsoft Visual Studio Code to update the library version.

As a result, Microsoft Visual Studio Code will create an Angular project to develop a custom UI component using remote module.

View a detailed example that creates an Angular project to develop a custom UI component using remote module: Implement a custom UI component using remote module.

Create an Angular project to develop a custom UI component using remote module via the Clio utility

1. Install the Clio utility (performed once). To do this, run the dotnet tool install clio -g command at the terminal of Microsoft Visual Studio Code.

2. Register a new Creatio instance in Clio. To do this, run the clio reg-web-app some_application_name -u https://mycreatio.com/ -l SomeLogin -p SomePassword command at the Microsoft Visual Studio Code terminal.

   some_application_name is the Creatio instance name.

   https://mycreatio.com/ is the Creatio instance URL.

   SomeLogin is the user login to the Creatio instance.

   SomePassword is the user password to the Creatio instance.

3. Install the cliogate system package into your development environment. To do this, run the clio install-gate some_application_name command at the Microsoft Visual Studio Code terminal.

4. Restart your Creatio instance. To do this, run the clio restart some_application_name command at the Microsoft Visual Studio Code terminal.

5. Create a new workspace. To do this, run the clio createw command at the Microsoft Visual Studio Code terminal.

6. Create a project for the remote module. To do this, run the clio ui some_application_name -v usr --package SomePackageName --empty true command at the Microsoft Visual Studio Code terminal. If the workspace does not contain a package that has the specified name, Microsoft Visual Studio Code creates a new package that has the specified name.

   SomePackageName is the name of the package to implement the remote module.

7. Move to the project directory. To do this, run the cd some_directory/some_application_name command at the command line terminal of Microsoft Visual Studio Code.

8. Install the npm modules. To do this, run the npm i command at the command line terminal of Microsoft Visual Studio Code.

9. Build the project. To do this, run the npm run build command at the command line terminal of Microsoft Visual Studio Code.

10. Upload the changes from the workspace into Creatio. To do this, run the clio pushw -e some_application_name command at the command line terminal of Microsoft Visual Studio Code.

As a result, Microsoft Visual Studio Code will create an Angular project to develop a custom UI component using remote module.

2. Create a custom UI component using remote module

1. Create an Angular component in the project. To do this, run the ng g c view-elements/some_component_name --view-encapsulation=ShadowDom command at the command line terminal of Microsoft Visual Studio Code.

   view-elements specifies that the Angular component is a view element.

   some_component_name is the custom component name.

   As a result, Microsoft Visual Studio Code will add the component files to the src/app/view-elements/some_component_name directory.

2. Specify that the SomeComponentNameComponent component is a view element.

   1. Open the some_component_name.component.ts file.
   2. Flag the component using the CrtViewElement decorator.
   3. Import the functionality of the CrtViewElement decorator from the @creatio-devkit/common library to the component.
   4. Save the file.
   some_component_name.component.ts file

   /* Import the required functionality from the libraries. */
   import { Component, OnInit, ViewEncapsulation } from '@angular/core';
   import { CrtViewElement } from '@creatio-devkit/common';
   
   @Component({
     selector: 'usr-some_component_name',
     templateUrl: './some_component_name.component.html',
     styleUrls: ['./some_component_name.component.scss'],
     encapsulation: ViewEncapsulation.ShadowDom
   })
   
   /* Add the CrtViewElement decorator to the SomeComponentNameComponent component. */
   @CrtViewElement({
     selector: 'usr-some_component_name',
     type: 'usr.SomeComponentName'
   })
   
   export class SomeComponentNameComponent implements OnInit {
     constructor() { }
   
     ngOnInit(): void {
     }
   }

3. Register the SomeComponentNameComponent view element as a component.

   1. Open the app.module.ts file.
   2. Add the SomeComponentNameComponent view element to the CrtModule decorator.
   3. Register the SomeComponentNameComponent view element as a component, i. e., Angular Element, in the ngDoBootstrap() method of the AppModule root module. Learn more in the Angular documentation.
   4. Save the file.
   app.module.ts file

   /* Import the required functionality from the libraries. */
   import { DoBootstrap, Injector, NgModule, ProviderToken } from '@angular/core';
   import { createCustomElement } from '@angular/elements';
   import { BrowserModule } from '@angular/platform-browser';
   import { bootstrapCrtModule, CrtModule } from '@creatio-devkit/common';
   import { SomeComponentNameComponent } from './view-elements/some_component_name/some_component_name.component';
   
   @CrtModule({
     /* Specify that SomeComponentNameComponent is a view element. */
     viewElements: [SomeComponentNameComponent]
   })
   @NgModule({
     declarations: [
       SomeComponentNameComponent
     ],
     imports: [BrowserModule],
     providers: [],
   })
   export class AppModule implements DoBootstrap {
     constructor(private _injector: Injector) {}
   
     ngDoBootstrap(): void {
       /* Register SomeComponentNameComponent as an Angular Element. */
       const element = createCustomElement(SomeComponentNameComponent, {
         injector: this._injector,
       });
       customElements.define('usr-some_component_name', element);
       
       /* Bootstrap CrtModule definitions. */
       bootstrapCrtModule('<%projectName%>', AppModule, {
         resolveDependency: (token) => this._injector.get(<ProviderToken<unknown>>token)
       });
     }
   }

4. Build the project. To do this, run the npm run build command at the command line terminal of Microsoft Visual Studio Code.

As a result, Microsoft Visual Studio Code will add the build to the dist directory of the Angular project. The build will have the <%projectName%> name specified on step 1.

View a detailed example that creates a custom UI component using remote module: Implement a custom UI component using remote module.

3. Implement the business logic of the custom UI component using remote module

1. Implement the required business logic in the component.

   1. Open the some_component_name.component.ts file.
   2. Add the value property to the SomeComponentNameComponent component class. The property manages the component value.
   3. Flag the value property using the Input and CrtInput decorators.
   4. Import the functionality of the Input decorator from the @angular/core library into the component.
   5. Import the functionality of the CrtInput decorator from the @creatio-devkit/common library into the component.
   6. Save the file.
   some_component_name.component.ts file

   /* Import the required functionality from the libraries. */
   import { Component, Input, OnInit } from '@angular/core';
   import { CrtInput, CrtViewElement } from '@creatio-devkit/common';
   ...
   export class SomeComponentNameComponent implements OnInit {
     constructor() { }
       
     /* Add decorators to the value property. */
     @Input()
     @CrtInput()
     /* The component value. */
     public value: some_value_type;
       
     ngOnInit(): void {
     }
   }

2. Add the markup of the custom component to the some_component_name.component.html file.

3. Add the styles of the custom component to the some_component_name.component.scss file.

4. Build the project. To do this, run the npm run build command at the command line terminal of Microsoft Visual Studio Code.

As a result, Microsoft Visual Studio Code will add the build to the dist directory of the Angular project. The build will have the <%projectName%> name specified on step 1.

You can create a custom converter within custom UI component implemented using remote module. Learn more: Custom converter implemented using remote module.

View detailed examples that implement the business logic of the custom UI component using remote module: Implement the business logic of the custom UI component using remote module, Implement the validation in the custom UI component using remote module, Implement a custom converter using remote module.

4. Add the custom UI component implemented using remote module to the library of the Freedom UI Designer (optional)

We recommend adding the custom UI component implemented using remote module to the library of the Freedom UI Designer if you are going to use the component as part of no-code development.

To add the custom UI component implemented using remote module to the library of the Freedom UI Designer:

1. Set up the component layout in the library of the Freedom UI Designer.

   1. Open the some_component_name.component.ts file.
   2. Flag the component using the CrtInterfaceDesignerItem decorator that has the toolbarConfig property. The property manages the element layout in the library of the Freedom UI Designer.
   3. Import the functionality of the CrtInterfaceDesignerItem decorator from the @creatio-devkit/common library into the component.
   4. Localize the custom UI component. Instructions: Localize custom UI component implemented using remote module.
   5. Upload the icon to display in the library of the Freedom UI Designer and specify the path to the icon in the icon property. Make sure the icon meets the Requirements for icons of custom Freedom UI page components.
   6. Save the file.
   some_component_name.component.scss file

   ...
   /* Import the required functionality from the libraries. */
   import { CrtInput, CrtInterfaceDesignerItem, CrtOutput, CrtValidationInfo, CrtValidationInput, CrtViewElement } from '@creatio-devkit/common';
   ...
   /* Add the CrtInterfaceDesignerItem decorator to the SomeComponentNameComponent component. */
   @CrtInterfaceDesignerItem({
     /* Manages the element layout in the library of the Freedom UI Designer. */
     toolbarConfig: {
       /* The localizable name of the component. */
       caption: localize('SomeComponentName.Caption'),
       name: 'usr_some_component_name',
       /* The path to the component image. */
       icon: require('!!raw-loader?{esModule:false}!./some_picture_name.svg'),
       defaultPropertyValues: {
         /* The localizable name of the component in the library of the Freedom UI Designer. */
         label: 'Some component name'
       }
     }
   })
   ...

2. Build the project. To do this, run the npm run build command at the command line terminal of Microsoft Visual Studio Code.

As a result, Microsoft Visual Studio Code will add the build to the dist directory of the Angular project. The build will have the <%projectName%> name specified on step 1.

View a detailed example that adds the custom UI component implemented using remote module to the library of the Freedom UI Designer: Add the custom UI component implemented using remote module to the library of the Freedom UI Designer.

5. Add the custom UI component implemented using remote module to the Freedom UI page

1. Create a custom app. To do this, follow the instruction in the user documentation: Create an app manually.

2. Set up Creatio for file system development. Instructions: Set up Creatio to work with the file system.

3. Download the packages to the file system.

   You can download the packages to the file system in the following ways:

   • using the Creatio IDE. To do this, follow the instructions in different section: Download the packages to the file system using the Creatio IDE.
   • using the Clio utility. To do this, follow the instructions in different section: Download the packages to the file system using the Clio utility.

4. Open the needed page in the Freedom UI Designer.

5. Add the custom UI component to the Freedom UI page.

6. Click the button in the action panel of the Freedom UI Designer. After you save the page settings, Creatio opens the source code of the Freedom UI page.

7. Bind the value property of the custom UI component to the corresponding model attribute in the viewConfigDiff schema section.

   viewConfigDiff schema section

   viewConfigDiff: /**SCHEMA_VIEW_CONFIG_DIFF*/[
       ...,
       {
           "operation": "insert",
           "name": "Input",
           "values": {
               ...,
               /* The property that defines the element type. */
               "type": "usr.Input",
               /* The property that defines the component value. Bound to the SomeAttributeName attribute. */
               "value": "$SomeAttributeName"
           },
           ...
       }
   ]/**SCHEMA_VIEW_CONFIG_DIFF*/,

8. Save the changes

As a result, Creatio will add the custom UI component implemented using remote module to the Freedom UI page.

View a detailed example that adds the custom UI component implemented using remote module to the Freedom UI page: Implement a custom UI component using remote module.

Download the packages to the file system using the Creatio IDE

1. Select Download packages to the file system in the File system development mode action group on the toolbar of the Creatio IDE.

   

2. Create a Files/src/js directory in the file system’s app package directory.

3. Copy the build from the dist project directory to the Files/src/js directory. The path to the project build is as follows: Files/src/js/<%projectName%>. The <%projectName%> parameter must match the value specified on step 1.

4. Compile the configuration. Instructions: Compile the configuration.

As a result, Creatio will display the custom UI component in the Custom components library group of the Freedom UI Designer.

Download the packages to the file system using the Clio utility

1. Copy the build from the dist project directory to the Files/src/js directory. The path to the project build is as follows: Files/src/js/<%projectName%>. The <%projectName%> parameter must match the value specified on step 1.
2. Install the package into the app. To do this, run the clio install SomePackageName -e some_application_name command at the Microsoft Visual Studio Code terminal.

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See also

Custom UI component based on a classic Creatio page element

Custom converter implemented using remote module

Packages file content basics

External IDEs basics

Creatio IDE overview

Requirements for icons of custom Freedom UI page components

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Resources

Remote module template

Angular Element (official Angular documentation)

webpack_public_path global variable (official webpack documentation)