package cn.alphabets.light.ui;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.CheckBox;
import android.widget.GridView;
import org.json.JSONObject;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import cn.alphabets.light.R;
import cn.alphabets.light.application.ABActivity;
import cn.alphabets.light.application.ABSwipeBackActivity;
import cn.alphabets.light.model.GsonParser;
import cn.alphabets.light.model.ModelFile;
import cn.alphabets.light.network.Parameter;
import cn.alphabets.light.setting.Default;
import cn.alphabets.light.util.FileUtil;
public class ImageActivity extends ABSwipeBackActivity {
public static final String INTENT_IMAGES = "images";
public static final String VALUE = "value";
public static final String VALUE_TITLE = "value_title";
public static final String TITLE = "title";
public static final String READONLY = "readonly";
public static final String SCALED_WIDTH = "scaled_width";
public static final String THEME = "theme";
public static final int PICK_PHOTO = 1;
private int mScaledWidth;
/**
* 图像一览
*/
private ImageAdapter mAdapter;
private GridView mGridView;
private Menu mMenu;
@Override
protected void onCreate(Bundle savedInstanceState) {
// 设定Theme，需要在setContentView之前调用
Bundle extras = getIntent().getExtras();
if (extras != null) {
int resourceId = extras.getInt(THEME, 0);
if (resourceId != 0) {
setTheme(resourceId);
}
}
super.onCreate(savedInstanceState);
Helper.setNoIconBackActionBar(this, "ImageList");
setContentView(R.layout.activity_image);
List<ImageAdapter.ImageItem> images = new ArrayList<>();
boolean isReadOnly = false;
if (extras != null) {
// 设置自定义标题
String title = extras.getString(TITLE);
if (title != null) {
setTitle(title);
}
// 获取传入的图片一览
String[] files = extras.getStringArray(INTENT_IMAGES);
if (files != null) {
for (String fid : files) {
images.add(new ImageAdapter.ImageItem(fid));
}
}
// 获取图片缩放宽度大小
mScaledWidth = extras.getInt(SCALED_WIDTH);
isReadOnly = extras.getBoolean(READONLY);
}
mAdapter = new ImageAdapter(getApplicationContext(), R.layout.activity_image_item);
mAdapter.addAll(images);
// 点击预览
mGridView = (GridView) findViewById(R.id.gridView);
mGridView.setAdapter(mAdapter);
mGridView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
if (mMenu.findItem(android.R.id.empty) == null || !mMenu.findItem(android.R.id.empty).isVisible()) {
ArrayList<String> photoUriList = new ArrayList<>();
for (int i = 0; i < mAdapter.getCount(); i++) {
ImageAdapter.ImageItem item = mAdapter.getItem(i);
photoUriList.add(item.imageUrl);
}
Intent intent = new Intent(ImageActivity.this, PreviewActivity.class);
intent.putExtra(PreviewActivity.INDEX, position);
intent.putStringArrayListExtra(PreviewActivity.IMAGES, photoUriList);
startActivity(intent);
} else {
CheckBox cb = (CheckBox) view.findViewById(R.id.check);
if (cb.isChecked()) {
cb.setChecked(false);
} else {
cb.setChecked(true);
}
}
}
});
if (!isReadOnly) {
mGridView.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
@Override
public boolean onItemLongClick(AdapterView<?> adapterView, View view, int i, long l) {
if (mMenu.findItem(android.R.id.edit).isVisible()) {
for (int j = 0; j < mAdapter.getCount(); j++) {
View v = mGridView.getChildAt(j);
CheckBox cb = (CheckBox) v.findViewById(R.id.check);
cb.setVisibility(View.VISIBLE);
}
MenuItem addItem = mMenu.findItem(android.R.id.edit);
addItem.setVisible(false);
MenuItem removeItem = mMenu.findItem(android.R.id.empty);
if (removeItem == null) {
removeItem = mMenu.add(Menu.NONE, android.R.id.empty, 1, getResources().getString(R.string.remove));
removeItem.setTitle(getResources().getString(R.string.remove));
removeItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
} else {
removeItem.setVisible(true);
}
MenuItem cancelItem = mMenu.findItem(android.R.id.closeButton);
if (cancelItem == null) {
cancelItem = mMenu.add(Menu.NONE, android.R.id.closeButton, 1, getResources().getString(R.string.cancel));
cancelItem.setTitle(getResources().getString(R.string.cancel));
cancelItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
} else {
cancelItem.setVisible(true);
}
}
return true;
}
});
} else {
mGridView.setOnLongClickListener(null);
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
boolean isReadOnly = getIntent().getExtras().getBoolean(READONLY);
if (!isReadOnly) {
MenuItem item = menu.add(Menu.NONE, android.R.id.edit, 1, R.string.save);
item.setIcon(R.drawable.tool_plus_white);
item.setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
}
this.mMenu = menu;
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
// 返回
if (id == android.R.id.home) {
ArrayList<String> images = new ArrayList<>();
ArrayList<String> titles = new ArrayList<>();
for (int i = 0; i < mAdapter.getCount(); i++) {
images.add(mAdapter.getItem(i).imageUrl);
titles.add(mAdapter.getItem(i).imageName);
}
Intent data = new Intent();
data.putStringArrayListExtra(VALUE, images);
data.putStringArrayListExtra(VALUE_TITLE, titles);
setResult(RESULT_OK, data);
onBackPressed();
return true;
}
// 添加
if (id == android.R.id.edit) {
Dialog.takePhoto(this, PICK_PHOTO);
return true;
}
// 删除
if (id == android.R.id.empty) {
List<ImageAdapter.ImageItem> removeItems = new ArrayList<>();
for (int j = 0, count = mAdapter.getCount(); j < count; j++) {
View v = mGridView.getChildAt(j);
CheckBox checkBox = (CheckBox) v.findViewById(R.id.check);
if (checkBox.isChecked()) {
removeItems.add(mAdapter.getItem(j));
}
checkBox.setVisibility(View.GONE);
}
for (ImageAdapter.ImageItem imageObj : removeItems) {
mAdapter.remove(imageObj);
}
mAdapter.notifyDataSetChanged();
MenuItem addItem = mMenu.findItem(android.R.id.edit);
addItem.setVisible(true);
MenuItem cancelItem = mMenu.findItem(android.R.id.closeButton);
cancelItem.setVisible(false);
item.setVisible(false);
}
// 取消删除模式
if (id == android.R.id.closeButton) {
for (int j = 0, count = mAdapter.getCount(); j < count; j++) {
View v = mGridView.getChildAt(j);
CheckBox cb = (CheckBox) v.findViewById(R.id.check);
if (cb.isChecked()) {
cb.setChecked(false);
}
cb.setVisibility(View.GONE);
}
MenuItem addItem = mMenu.findItem(android.R.id.edit);
addItem.setVisible(true);
MenuItem removeItem = mMenu.findItem(android.R.id.empty);
removeItem.setVisible(false);
item.setVisible(false);
}
return super.onOptionsItemSelected(item);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (resultCode == Activity.RESULT_OK) {
String photo = Dialog.parsePhoto(requestCode, resultCode, data);
if (photo == null) {
Dialog.toast(getResources().getString(R.string.fetch_photo_error));
} else {
boolean isFromCamera = (data == null);
int scaledWidth = mScaledWidth > 0 ? mScaledWidth : Default.ScaledWidth;
final String fileName = new File(photo).getName();
final String bitmap = FileUtil.scaledBitmap(photo, scaledWidth, isFromCamera);
UPLOAD(Default.UrlSendFile, new Parameter().put(bitmap, new File(bitmap)), new ABActivity.Success() {
@Override
public void onResponse(JSONObject response) {
GsonParser<ModelFile> files = GsonParser.fromJson(response, ModelFile.getListTypeToken());
String url = files.getData().getItems().get(0).get_id();
ImageAdapter.ImageItem item = new ImageAdapter.ImageItem(fileName, url, FileUtil.loadBitmap(bitmap));
mAdapter.add(item);
mAdapter.notifyDataSetChanged();
}
});
}
}
}
}