package com.anthony.imagepicker.imagepicker.ui;
import android.content.Intent;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.view.ViewPager;
import android.text.format.Formatter;
import android.view.View;
import android.view.animation.AnimationUtils;
import android.widget.Button;
import android.widget.CompoundButton;
import android.widget.Toast;
import com.anthony.imagepicker.R;
import com.anthony.imagepicker.imagepicker.ImagePicker;
import com.anthony.imagepicker.imagepicker.bean.ImageItem;
import com.anthony.imagepicker.imagepicker.view.SuperCheckBox;
/**
* ================================================
* 作 者：jeasonlzy（廖子尧 Github地址：https://github.com/jeasonlzy0216
* 版 本：1.0
* 创建日期：2016/5/19
* 描 述：
* 修订历史：
* ================================================
*/
public class ImagePreviewActivity extends ImagePreviewBaseActivity implements ImagePicker.OnImageSelectedListener, View.OnClickListener, CompoundButton.OnCheckedChangeListener {
public static final String ISORIGIN = "isOrigin";
private boolean isOrigin; //是否选中原图
private SuperCheckBox mCbCheck; //是否选中当前图片的CheckBox
private SuperCheckBox mCbOrigin; //原图
private Button mBtnOk; //确认图片的选择
private View bottomBar;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
isOrigin = getIntent().getBooleanExtra(ImagePreviewActivity.ISORIGIN, false);
imagePicker.addOnImageSelectedListener(this);
mBtnOk = (Button) topBar.findViewById(R.id.btn_ok);
mBtnOk.setVisibility(View.VISIBLE);
mBtnOk.setOnClickListener(this);
bottomBar = findViewById(R.id.bottom_bar);
bottomBar.setVisibility(View.VISIBLE);
mCbCheck = (SuperCheckBox) findViewById(R.id.cb_check);
mCbOrigin = (SuperCheckBox) findViewById(R.id.cb_origin);
mCbOrigin.setText(getString(R.string.origin));
mCbOrigin.setOnCheckedChangeListener(this);
mCbOrigin.setChecked(isOrigin);
//初始化当前页面的状态
onImageSelected(0, null, false);
ImageItem item = mImageItems.get(mCurrentPosition);
boolean isSelected = imagePicker.isSelect(item);
mTitleCount.setText(getString(R.string.preview_image_count, mCurrentPosition + 1, mImageItems.size()));
mCbCheck.setChecked(isSelected);
//滑动ViewPager的时候，根据外界的数据改变当前的选中状态和当前的图片的位置描述文本
mViewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
@Override
public void onPageSelected(int position) {
mCurrentPosition = position;
ImageItem item = mImageItems.get(mCurrentPosition);
boolean isSelected = imagePicker.isSelect(item);
mCbCheck.setChecked(isSelected);
mTitleCount.setText(getString(R.string.preview_image_count, mCurrentPosition + 1, mImageItems.size()));
}
});
//当点击当前选中按钮的时候，需要根据当前的选中状态添加和移除图片
mCbCheck.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
ImageItem imageItem = mImageItems.get(mCurrentPosition);
int selectLimit = imagePicker.getSelectLimit();
if (mCbCheck.isChecked() && selectedImages.size() >= selectLimit) {
Toast.makeText(ImagePreviewActivity.this, ImagePreviewActivity.this.getString(R.string.select_limit, selectLimit), Toast.LENGTH_SHORT).show();
mCbCheck.setChecked(false);
} else {
imagePicker.addSelectedImageItem(mCurrentPosition, imageItem, mCbCheck.isChecked());
}
}
});
}
/**
* 图片添加成功后，修改当前图片的选中数量
* 当调用 addSelectedImageItem 或 deleteSelectedImageItem 都会触发当前回调
*/
@Override
public void onImageSelected(int position, ImageItem item, boolean isAdd) {
if (imagePicker.getSelectImageCount() > 0) {
mBtnOk.setText(getString(R.string.select_complete, imagePicker.getSelectImageCount(), imagePicker.getSelectLimit()));
mBtnOk.setEnabled(true);
} else {
mBtnOk.setText(getString(R.string.complete));
mBtnOk.setEnabled(false);
}
if (mCbOrigin.isChecked()) {
long size = 0;
for (ImageItem imageItem : selectedImages)
size += imageItem.size;
String fileSize = Formatter.formatFileSize(this, size);
mCbOrigin.setText(getString(R.string.origin_size, fileSize));
}
}
@Override
public void onClick(View v) {
int id = v.getId();
if (id == R.id.btn_ok) {
Intent intent = new Intent();
intent.putExtra(ImagePicker.EXTRA_RESULT_ITEMS, imagePicker.getSelectedImages());
setResult(ImagePicker.RESULT_CODE_ITEMS, intent);
finish();
} else if (id == R.id.btn_back) {
Intent intent = new Intent();
intent.putExtra(ImagePreviewActivity.ISORIGIN, isOrigin);
setResult(ImagePicker.RESULT_CODE_BACK, intent);
finish();
}
}
@Override
public void onBackPressed() {
Intent intent = new Intent();
intent.putExtra(ImagePreviewActivity.ISORIGIN, isOrigin);
setResult(ImagePicker.RESULT_CODE_BACK, intent);
finish();
super.onBackPressed();
}
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
int id = buttonView.getId();
if (id == R.id.cb_origin) {
if (isChecked) {
long size = 0;
for (ImageItem item : selectedImages)
size += item.size;
String fileSize = Formatter.formatFileSize(this, size);
isOrigin = true;
mCbOrigin.setText(getString(R.string.origin_size, fileSize));
} else {
isOrigin = false;
mCbOrigin.setText(getString(R.string.origin));
}
}
}
@Override
protected void onDestroy() {
imagePicker.removeOnImageSelectedListener(this);
super.onDestroy();
}
/** 单击时，隐藏头和尾 */
@Override
public void onImageSingleTap() {
if (topBar.getVisibility() == View.VISIBLE) {
topBar.setAnimation(AnimationUtils.loadAnimation(this, R.anim.top_out));
bottomBar.setAnimation(AnimationUtils.loadAnimation(this, R.anim.fade_out));
topBar.setVisibility(View.GONE);
bottomBar.setVisibility(View.GONE);
tintManager.setStatusBarTintResource(R.color.transparent);//通知栏所需颜色
//给最外层布局加上这个属性表示，Activity全屏显示，且状态栏被隐藏覆盖掉。
if (Build.VERSION.SDK_INT >= 16) content.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN);
} else {
topBar.setAnimation(AnimationUtils.loadAnimation(this, R.anim.top_in));
bottomBar.setAnimation(AnimationUtils.loadAnimation(this, R.anim.fade_in));
topBar.setVisibility(View.VISIBLE);
bottomBar.setVisibility(View.VISIBLE);
tintManager.setStatusBarTintResource(R.color.status_bar);//通知栏所需颜色
//Activity全屏显示，但状态栏不会被隐藏覆盖，状态栏依然可见，Activity顶端布局部分会被状态遮住
if (Build.VERSION.SDK_INT >= 16) content.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
}
}
}