package com.example.customhorizontalscrollviewexample;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;

import java.util.ArrayList;

public class MainActivity extends AppCompatActivity implements View.OnClickListener
{

    private static final int ITEM_ID = 4500;
    private LinearLayout rootLayout;
    private ArrayList<DataModel> dataModels;
    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        setUIRef();
        bindHZSWLayoutData();

    }

    private void setUIRef()
    {
        rootLayout = (LinearLayout) findViewById(R.id.Layout_Root);
    }

    private void bindHZSWLayoutData()
    {
        dataModels = new ArrayList<>();

        dataModels.add(new DataModel("Apple", R.drawable.apple));
        dataModels.add(new DataModel("Banana", R.drawable.banana));
        dataModels.add(new DataModel("Cherry", R.drawable.cherry));
        dataModels.add(new DataModel("Kiwi", R.drawable.kiwi));
        dataModels.add(new DataModel("Mango", R.drawable.mango));
        dataModels.add(new DataModel("Orange", R.drawable.orange));
        dataModels.add(new DataModel("Pineapple", R.drawable.pineapple));
        dataModels.add(new DataModel("Strawberry", R.drawable.strawberry));

        for (int i = 0; i < dataModels.size(); i++)
        {
            LinearLayout itemLayout = new LinearLayout(MainActivity.this);
            itemLayout.setId(ITEM_ID+i);
            itemLayout.setOrientation(LinearLayout.VERTICAL);

            LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
            params.gravity = Gravity.CENTER;
            params.setMargins(10, 10, 10, 10);

            itemLayout.setLayoutParams(params);

            ImageView imageView = new ImageView(MainActivity.this);
            imageView.setLayoutParams(params);
            imageView.setImageResource(dataModels.get(i).getResId());

            TextView textView = new TextView(MainActivity.this);
            textView.setLayoutParams(params);
            textView.setText(dataModels.get(i).getName());

            itemLayout.addView(imageView);
            itemLayout.addView(textView);

            itemLayout.setOnClickListener(this);

            rootLayout.addView(itemLayout);
        }

    }

    @Override
    public void onClick(View view)
    {
        if (!checkRootLayoutItemClick(view))
        {
            // other view clicked
        }
    }

    private boolean checkRootLayoutItemClick(View view)
    {
        boolean flag = false;

        for (int i = 0; i < rootLayout.getChildCount(); i++)
        {
            View viewChild = rootLayout.getChildAt(i);

            if (viewChild instanceof LinearLayout)
            {
                if (viewChild == view)
                {
                    flag = true;
                    Toast.makeText(this, "item "+i+" clicked", Toast.LENGTH_LONG).show();
                }
            }
        }

        return flag;
    }
}