package com.zzw.popupwindow.activity;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.PopupWindow;

import com.zzw.popupwindow.R;
import com.zzw.popupwindow.view.CommonPopupWindow;

import java.util.ArrayList;
import java.util.List;

public class PopupActivity extends AppCompatActivity implements View.OnClickListener {
    private View activityPopup;
    private Button translateBt;
    private Button alphaBt;
    private Button scaleBt;
    private Button rotateBt;

    private CommonPopupWindow window;
    private ListView dataList;
    private List<String> datas;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_popup);

        initData();
        initPopupWindow();
        initView();
    }

    private void initData() {
        datas=new ArrayList<>();
        for(int i=1; i<=20; i++)
            datas.add("Item "+i);
    }

    private void initPopupWindow() {
        // get the height of screen
        DisplayMetrics metrics=new DisplayMetrics();
        getWindowManager().getDefaultDisplay().getMetrics(metrics);
        int screenHeight=metrics.heightPixels;
        // create popup window
        window=new CommonPopupWindow(this, R.layout.popup_list, ViewGroup.LayoutParams.MATCH_PARENT, (int) (screenHeight*0.7)) {
            @Override
            protected void initView() {
                View view=getContentView();
                dataList=(ListView) view.findViewById(R.id.data_list);
                dataList.setAdapter(new ArrayAdapter<String>(PopupActivity.this, R.layout.item_popup_list, datas));
            }

            @Override
            protected void initEvent() {
                dataList.setOnItemClickListener(new AdapterView.OnItemClickListener() {
                    @Override
                    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                        window.getPopupWindow().dismiss();
                    }
                });
            }

            @Override
            protected void initWindow() {
                super.initWindow();
                PopupWindow instance=getPopupWindow();
                instance.setOnDismissListener(new PopupWindow.OnDismissListener() {
                    @Override
                    public void onDismiss() {
                        WindowManager.LayoutParams lp=getWindow().getAttributes();
                        lp.alpha=1.0f;
                        getWindow().clearFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND);
                        getWindow().setAttributes(lp);
                    }
                });
            }
        };
    }

    private void initView() {
        activityPopup=findViewById(R.id.activity_popup);
        translateBt=(Button) findViewById(R.id.translate_bt);
        translateBt.setOnClickListener(this);
        alphaBt=(Button) findViewById(R.id.alpha_bt);
        alphaBt.setOnClickListener(this);
        scaleBt=(Button) findViewById(R.id.scale_bt);
        scaleBt.setOnClickListener(this);
        rotateBt=(Button) findViewById(R.id.rotate_bt);
        rotateBt.setOnClickListener(this);
    }

    @Override
    public void onClick(View v) {
        PopupWindow win=window.getPopupWindow();
        switch (v.getId()) {
            case R.id.translate_bt:
                win.setAnimationStyle(R.style.animTranslate);
                break;
            case R.id.alpha_bt:
                win.setAnimationStyle(R.style.animAlpha);
                break;
            case R.id.scale_bt:
                win.setAnimationStyle(R.style.animScale);
                break;
            case R.id.rotate_bt:
                win.setAnimationStyle(R.style.animRotate);
                break;
            default:break;
        }
        window.showAtLocation(activityPopup, Gravity.BOTTOM, 0, 0);
        WindowManager.LayoutParams lp=getWindow().getAttributes();
        lp.alpha=0.3f;
        getWindow().addFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND);
        getWindow().setAttributes(lp);
    }
}