Next, we need to add some new methods to our service which will be attached to our drag and drop event handlers provided by Gridster and HTML5: We need to define some additional parameters as shown above:Ĭomponents is an array of components ( as we defined as an interface above) which will be matched to the layout items by id.ĭropId is the id of the layout item the user is currently hovered over ( we will see how this works shortly). ![]() public layout: GridsterItem = public components: IComponent = dropId: string which component should be placed inside the layout item matching this id. Here we are defining id which should match the id of the enclosing layout item and componentRef which will be a string reference to our example component i.e. This is a custom interface definition which should go above our layout service definition. Gridster requires some default options to run so let’s add them to src/app/components/layout/.Īdd this import line to the beginning of the file, then add options and layout values inside the class definition as shown below: import ). how the component looks src/app/components/layout/ # Unit test spec src/app/components/layout/ # TypeScript file with logic, methods available to the component When we asked the Angular CLI to create our layout component, it generated 4 files as shown below: src/app/components/layout/ # Template used for rendering HTML src/app/components/layout/ # Styling i.e. Next up, let us create placeholders for a layout service and a layout component.īefore we create them, let me distinguish between the two: Now, let’s change into the project directory and install our dependencies:Ĭd ng-dashboard-builder npm i angular-gridster2 angular2-uuid -saveĪt this stage you can boot up Angular’s development server and preview your project by running ng serve and open your browser at 2. We won’t need routing for this project so feel free not to include it, and select SCSS for stylesheet format: Would you like to add Angular routing? No Which stylesheet format would you like to use? SCSS Npm install -g step is to create and configure an Angular workspace, let’s create one using Angular’s amazing CLI: If you’ve never used Angular before then you will need to install it globally on your machine before we begin: ![]() Now without further ado, let’s roll up our sleeves and get stuck in! 1. Be careful to distinguish between AngularJS ( old version unrelated to this post) and Angular ( latest version is 7 with 8 on the horizon). ![]() We’ll cover the basics of Angular in this post, but there’s plenty of resources out there on Angular if you want to know more. By following Angular’s patterns and conventions you can save yourself a lot of time and effort allowing the framework to take care of the difficult parts like data binding and component composition. What tools will we be using?Īngular is a JavaScript framework ( made by the Google team) which is highly opinionated describing “how” you should structure JavaScript code. analysts) to create fully bespoke dashboards. This kind of functionality is really cool for anything related to data analytics and can act as a pretty cool way to enable your users (e.g. ![]() I want to create a drag and drop dashboard builder enabling users to configure dashboard layouts then drag and drop components onto them.
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