package com.SalmanDev.FocusTools;

import android.content.Context;
import android.util.Log;
import android.view.View;
import android.view.View.OnFocusChangeListener;
import android.widget.ScrollView;
import android.widget.HorizontalScrollView;
import com.google.appinventor.components.annotations.*;
import com.google.appinventor.components.runtime.*;
import com.google.appinventor.components.annotations.DesignerComponent;
import com.google.appinventor.components.annotations.DesignerProperty;
import com.google.appinventor.components.annotations.PropertyCategory;
import com.google.appinventor.components.annotations.SimpleObject;
import com.google.appinventor.components.annotations.SimpleFunction;
import com.google.appinventor.components.annotations.SimpleEvent;
import com.google.appinventor.components.annotations.SimpleProperty;
import com.google.appinventor.components.runtime.AndroidNonvisibleComponent;
import com.google.appinventor.components.runtime.AndroidViewComponent;
import com.google.appinventor.components.runtime.EventDispatcher;
import com.google.appinventor.components.common.ComponentCategory;
import com.google.appinventor.components.annotations.SimpleProperty;
import com.google.appinventor.components.common.PropertyTypeConstants;

@DesignerComponent(version = 1,  description = "Created by Salman Developer",
        category = ComponentCategory.EXTENSION,
        nonVisible = true,   iconName = "https://img.icons8.com/fluent/16/000000/source-code.png")

@SimpleObject(external = true)
public class FocusTools extends AndroidNonvisibleComponent {
    private ComponentContainer container;
  
    public FocusTools(ComponentContainer container) {
        super(container.$form());
        this.container = container;
    }

  
   @SimpleFunction(description = "Method for RequestFocus")
   public void RequestFocus(final AndroidViewComponent component) {  
       View view = component.getView(); 
       view.setOnFocusChangeListener(new View.OnFocusChangeListener() { 
             @Override
             public void onFocusChange(View v, boolean hasFocus){ 
                if (hasFocus) { 
                   GotFocus (component);
                } else {
                   LostFocus (component);
                }
             }
       });
     view.requestFocus();
  }
  
   @SimpleFunction(description = "Method for RequestFocus Vertical Scroll Arrangement")
   public void RequestFocusVScroll(VerticalScrollArrangement arrangement, int focus) {
       ScrollView sv = (ScrollView) arrangement.getView();
       sv.fullScroll(focus);
   }
  
  @SimpleFunction(description = "Method for RequestFocus Horizontal Scroll Arrangement")
  public void RequestFocusHScroll(HorizontalScrollArrangement arrangement, int focus) {
       HorizontalScrollView sv = (HorizontalScrollView) arrangement.getView();
       sv.fullScroll(focus);
   }
  
  
  @SimpleEvent(description = "Event raised when the %type% is selected for input, such as by "
      + "the user touching it.")
  public void GotFocus(AndroidViewComponent component) {
    EventDispatcher.dispatchEvent(this, "GotFocus", component);
  }
   
  @SimpleEvent(description = "Event raised when the %type% is no longer selected for input, such "
      + "as if the user touches a different text box.")
  public void LostFocus(AndroidViewComponent component) {
    EventDispatcher.dispatchEvent(this, "LostFocus", component);
  }
  
  
}