package org.auie.ui;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.auie.image.UEImage;
import org.auie.image.UEImageManager.Image;
import org.auie.utils.UEException.UEImageNotByteException;
import org.auie.utils.UEMethod;
import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.view.Gravity;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.widget.ImageView;
import android.widget.ImageView.ScaleType;
import android.widget.LinearLayout;
import android.widget.PopupWindow;
import android.widget.RelativeLayout;
import android.widget.RelativeLayout.LayoutParams;
@SuppressWarnings("deprecation")
public class UIImagePager extends PopupWindow {
public static final int MATCH_PARENT = RelativeLayout.LayoutParams.MATCH_PARENT;
public static final int WRAP_CONTENT = RelativeLayout.LayoutParams.WRAP_CONTENT;
public Drawable NO_SELECTED_DRAWABLE;
public Drawable SELECTED_DRAWABLE;
private Context context;
private RelativeLayout rootContainer;
private ViewPager contentContainer;
private LinearLayout indexContainer;
private UIButton actionButton;
private List<View> indexViews = new ArrayList<View>();
private List<View> imageViews = new ArrayList<View>();
private ImageAdapter imageAdapter = new ImageAdapter();
private OnDismissListener onDismissListener;
private OnActionClickListener onActionClickListener;
private List<?> datas;
private List<Bitmap> bitmaps = new ArrayList<Bitmap>();
private int WIDTH = 0;
private int HEIGHT = 0;
private int DP = 1;
private boolean saveFullScreen = true;
private int currentIndex = 0;
/**
* 初始化
* @param context
* @param images
* @throws IOException
* @throws UEImageNotByteException
*/
public UIImagePager(Context context, List<Image> images) throws IOException, UEImageNotByteException{
init(context);
this.datas = images;
transformBitmap(images);
}
public UIImagePager(Context context, ArrayList<Bitmap> bitmaps, boolean noScreen){
init(context);
this.saveFullScreen = noScreen;
this.datas = bitmaps;
this.bitmaps = bitmaps;
if (bitmaps.size() > 0) {
createIndexs();
}
}
/**
* Image转Bitmap方法
* @param images
* @throws IOException
* @throws UEImageNotByteException
*/
private void transformBitmap(List<Image> images) throws IOException, UEImageNotByteException{
bitmaps.clear();
for (Image image : images) {
bitmaps.add(new UEImage(image.path, true).toBitmap());
}
if (bitmaps.size() > 0) {
//判断图片数量，如果大于0生成索引
createIndexs();
}
}
/**
* 外部调用根据position删除视图
* @param position
*/
public void romoveView(int position){
bitmaps.remove(position);
if (bitmaps.size() == 0) {
dismiss();
}
if (currentIndex >= bitmaps.size()) {
currentIndex = bitmaps.size() - 1;
}
contentContainer.removeAllViews();
createIndexs();
}
/**
* 根据图片数量生成索引项且将当前索引置为0
*/
private void createIndexs() {
if (indexContainer == null) {
return;
}
indexViews.clear();
imageViews.clear();
indexContainer.removeAllViews();
LinearLayout.LayoutParams params1 = new LinearLayout.LayoutParams(6 * DP, 6 * DP);
params1.setMargins(6 * DP, 0, 0, 0);
LinearLayout.LayoutParams params2 = new LinearLayout.LayoutParams(WIDTH, LinearLayout.LayoutParams.WRAP_CONTENT);
for (int i = 0; i < bitmaps.size(); i++) {
View view = new View(context);
view.setLayoutParams(params1);
if (i == currentIndex) {
view.setBackgroundDrawable(SELECTED_DRAWABLE);
}else {
view.setBackgroundDrawable(NO_SELECTED_DRAWABLE);
}
indexViews.add(view);
indexContainer.addView(view);
ImageView imageView = new ImageView(context);
imageView.setLayoutParams(params2);
imageView.setScaleType(ScaleType.FIT_CENTER);
imageView.setImageBitmap(bitmaps.get(i));
imageViews.add(imageView);
imageAdapter.notifyDataSetChanged();
}
contentContainer.setAdapter(imageAdapter);
contentContainer.setCurrentItem(currentIndex);
}
/**
* 初始化数据
* @param context
*/
private void init(Context context){
((Activity) context).getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
WindowManager manager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
this.context = context;
this.DP = UEMethod.dp2px(context, 1);
this.NO_SELECTED_DRAWABLE = UEImage.createBackground(Color.parseColor("#FFFFFF"), 50, 6 * DP);
this.SELECTED_DRAWABLE = UEImage.createBackground(Color.parseColor("#EEEEEE"), 255, 6 * DP);
this.HEIGHT = manager.getDefaultDisplay().getHeight();
this.WIDTH = manager.getDefaultDisplay().getWidth();
createView();
}
/**
* 初始化视图
*/
private void createView() {
setBackgroundDrawable(new BitmapDrawable());
setContentView(createContentView());
setWidth(WIDTH);
setHeight(HEIGHT);
setFocusable(true);
super.setOnDismissListener(dismissListener);
}
/**
* 内部销毁监听器
*/
private OnDismissListener dismissListener = new OnDismissListener() {
@Override
public void onDismiss() {
if (!saveFullScreen) {
((Activity) context).getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
}
if (onDismissListener != null) {
//传递至外部
onDismissListener.onDismiss();
}
}
};
/**
* 设置dismiss监听器，供外部调用
*/
public void setOnDismissListener(OnDismissListener listener){
this.onDismissListener = listener;
}
/**
* 初始化控件
*/
private View createContentView() {
rootContainer = new RelativeLayout(context);
rootContainer.setBackgroundColor(Color.parseColor("#000000"));
rootContainer.setLayoutParams(new LayoutParams(MATCH_PARENT, MATCH_PARENT));
LayoutParams contentParams = new LayoutParams(MATCH_PARENT, WRAP_CONTENT);
contentParams.addRule(RelativeLayout.CENTER_IN_PARENT, RelativeLayout.TRUE);
contentContainer = new ViewPager(context);
contentContainer.setAdapter(imageAdapter);
contentContainer.setLayoutParams(contentParams);
contentContainer.setOnPageChangeListener(onPageChangeListener);
LayoutParams params = new LayoutParams(MATCH_PARENT, WRAP_CONTENT);
params.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM, RelativeLayout.TRUE);
indexContainer = new LinearLayout(context);
indexContainer.setLayoutParams(params);
indexContainer.setPadding(0, 0, 0, DP * 20);
indexContainer.setGravity(Gravity.CENTER);
indexContainer.setOrientation(LinearLayout.HORIZONTAL);
LayoutParams params2 = new LayoutParams(60 * DP, 32 * DP);
params2.addRule(RelativeLayout.ALIGN_PARENT_LEFT, RelativeLayout.TRUE);
params2.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM, RelativeLayout.TRUE);
params2.setMargins(10 * DP, 0, 0, 10 * DP);
actionButton = new UIButton(context);
actionButton.setLayoutParams(params2);
actionButton.setText("删除");
actionButton.setTextSize(14);
actionButton.setVisibility(View.GONE);
actionButton.setTextColor(Color.WHITE);
actionButton.setBackgroundColor(Color.RED);
actionButton.setOnClickListener(onClickListener);
rootContainer.addView(contentContainer);
rootContainer.addView(indexContainer);
rootContainer.addView(actionButton);
return rootContainer;
}
/**
* 视图切换监听器
*/
private OnPageChangeListener onPageChangeListener = new OnPageChangeListener() {
@Override
public void onPageSelected(int index) {
indexViews.get(currentIndex).setBackgroundDrawable(NO_SELECTED_DRAWABLE);
indexViews.get(index).setBackgroundDrawable(SELECTED_DRAWABLE);
currentIndex = index;
}
@Override
public void onPageScrolled(int arg0, float arg1, int arg2) {
}
@Override
public void onPageScrollStateChanged(int index) {
}
};
/**
* 操作按钮点击事件
*/
private OnClickListener onClickListener = new OnClickListener() {
@Override
public void onClick(View v) {
if (onActionClickListener != null) {
//回传给外部使用
onActionClickListener.onActionClicked(currentIndex, datas.get(currentIndex));
}
}
};
/**
* 控件默认展示
* @return
*/
public UIImagePager show(){
showAtLocation(((ViewGroup)(((Activity) context).findViewById(android.R.id.content))).getChildAt(0), Gravity.BOTTOM, 0, 0);
return this;
}
/**
* 显示按钮且添加按钮点击事件处理
* @param onActionClickListener
*/
public void showAction(OnActionClickListener onActionClickListener){
actionButton.setVisibility(View.VISIBLE);
this.onActionClickListener = onActionClickListener;
}
/**
* 隐藏操作按钮
*/
public void hideAction(){
actionButton.setVisibility(View.GONE);
this.onActionClickListener = null;
}
/**
* 操作按钮点击监听器
*/
public interface OnActionClickListener{
public void onActionClicked(int position, Object object);
}
class ImageAdapter extends PagerAdapter{
@Override
public boolean isViewFromObject(View arg0, Object arg1) {
return arg0 == arg1;
}
@Override
public int getCount() {
return imageViews.size();
}
@Override
public void destroyItem(View container, int position, Object object) {
if (position < imageViews.size()) {
((ViewGroup) container).removeView(imageViews.get(position));
}
}
@Override
public Object instantiateItem(View container, int position) {
((ViewGroup) container).addView(imageViews.get(position));
return imageViews.get(position);
}
}
}
