SpringBoot (18) Components for selecting elements (3/3). Nested Combos (Nation-Province-City-Street...)

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Spring Boot (5) Bootstrap 5 multilevel dropdown menu

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 0. Introduction This post is based on  Frontend Paathshala bootstrap-menu.com ByteGrad These components are used  2 classes for defining menus (including the configuration file for reading the YAML file) A YAML file for storing the menu definition A controller of the URL used by the menu A ThymeLeaf file and 2 fragments CSS file 1. The Menu classes (and the configuration class) The menu class has the component of a menu, indicating the name, the href and so on package ximo . menus ; import java . util . ArrayList ; import java . util . List ; import lombok . AllArgsConstructor ; import lombok . Getter ; import lombok . NoArgsConstructor ; import lombok . Setter ; @Getter @Setter @AllArgsConstructor @NoArgsConstructor public class Menu { private String id ; private String name ; private List < String > idFills ; private String href = "#" ; private List < Menu > fills = new ArrayList < Menu > ( ) ...
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Spring Boot (2) Websockets. Subscriptions of only one member

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 1. Introduction WebSockets are useful for informing a user of the progress of a heavy process. There are a lot of blogs and videos about this question.  Spring boot uses the STOMP protocol 2. Creating the project Use Spring boot initializer  for creating the project, use these dependencies: Spring boot dev tools Lombok Spring Web Thymeleaf Websocket And use gradle format Then import it from Eclipse as File > Import > Gradle > Existing Gradle Project The final project structure after adding all the needed classes, html and js file is: 3. Add the needed dependencies to the build.gradle file Add javascript dependencies to the build.gradle implementation ' org.webjars:webjars-locator-core ' implementation ' org.webjars:sockjs-client:1.5.1 ' implementation ' org.webjars:stomp-websocket:2.3.4 ' implementation ' org.webjars:bootstrap:3.3.7 ' implementation ' org.webjars:jquery:3.6.4 ' Add also the Gson dependencies, and the build.xml file ...
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SpringBoot (15) Let's start (4/10). Defining a CRUD form from scratch with one simple table/class.

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  0. Introduction In a previous post, we could see how to define CRUD form in the YAML file  src/main/resources/config/menus/menus.yml Let's define a CRUD form that counts from one number to another and displays the counting process to the form. These steps should be followed: Define the menu item in the YAML file and also update the field idFills from the parent menu item As no special form is needed the field  url  should be assigned " /crud " Create a Java class PRGrade in the package ximo.xotherapps.model.proves  that extends AuditIdLong  class and implements Base interface Create the database and schema Create i18n elements 1. Updating the menus.yml file Here is the menus.yml file. Notice the yellow elements. 1 2 3 4 5 6 7 menus: items: - { id : 8 , name : Informatica , idFills : [ 8-1 , 8-2 , 8-3 , 8-4 ] } - { id : 8-4 , name : Creating Grades, url : '/crud' , modelClassName : PRGrade , pkg : ximo.xotherapps.model.proves , ...
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