# ButtonGroup

The ButtonGroup class manages an array of Button objects, only 1 button can be selected at any time. The variable: activeButton provides the index of the currently selected Button object.

## Example Usage

```java
//main tab 
//create buttons by specifying x, y, w, h and 2 colors for each Button.

Button[] buttons = new Button[3]; //declare button array
   buttons[0] = new Button( 10, 10, 100, 100, color1, color2, "P1");
   buttons[1] = new Button( 10, 120, 100, 100, color1, color2, "P2");
   ButtonGroup buttonGroup = new ButtonGroup( buttons);
}

buttonGroup.display();  //displays each button

buttonGroup.clicked( mouseX, mouseY); //manages button selection logic
```

## ButtonGroup Class Definition

```java
//add comments
class ButtonGroup{

  //PROPERTIES

  Button[] buttons;
  int activeBtnIndex;

  //CONSTRUCTORS

  //add comments
  ButtonGroup(Button[] buttons){
    this.buttons = buttons;
    activeBtnIndex = 0;  //start with no button selected 
  }

  //METHODS

  //add comments
  void display(){
    for( int i=0; i< buttons.length; i++){
      buttons[i].display();
    }
  }

  //add comments
  boolean clicked(int mx, int my){
    boolean isChanged = false; //has a new button been selected
     for( int i=0; i< buttons.length; i++){
        if( buttons[i].selected == false){  //if buttons[i] was not previously selected
             buttons[i].clicked(mx, my); //check to see if it's been clicked
             if( buttons[i].selected == true){  // if it's now selected
                 isChanged = true;
                 activeBtnIndex = i;
               for( int j=0; j< buttons.length; j++){  //for all other buttons
                 if( i != j){    
                   buttons[j].reset() ;  //turn the buttons off
                 }
               } 
             }
        }

     }  
     return isChanged;
  }//end clicked method 

} // end class ButtonGroup
```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://kdoore.gitbook.io/cs1335/project-3/project-3-class-definitions/buttongroup.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.