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package com.yaming.titlepup;
import java.util.ArrayList;
import android.content.Context;
import android.graphics.Rect;
import android.graphics.drawable.BitmapDrawable;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.ListView;
import android.widget.PopupWindow;
import android.widget.TextView;
public class TitlePopup extends PopupWindow {
public static final int TITLE_LEFT = 0;
public static final int TITLE_RIGHT = 1;
protected final int LIST_PADDING = 10;
private Context mContext;
private Rect mRect = new Rect();
private final int[] mLocation = new int[2];
private int mScreenWidth;
private int mScreenHeight;
private boolean mIsDirty;
private int popupGravity = Gravity.NO_GRAVITY;
private int mDirection = TITLE_RIGHT;
private OnItemOnClickListener mItemOnClickListener;
private ListView mListView;
private ArrayList<ActionItem> mActionItems = new ArrayList<ActionItem>();
public static interface OnItemOnClickListener{
public void onItemClick(ActionItem item , int position);
}
public TitlePopup(Context context){
this(context, LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
}
public TitlePopup(Context context, int width, int height){
this.mContext = context;
setFocusable(true);
setTouchable(true);
setOutsideTouchable(true);
mScreenWidth = Util.getScreenWidth(mContext);
mScreenHeight = Util.getScreenHeight(mContext);
setWidth(width);
setHeight(height);
setBackgroundDrawable(new BitmapDrawable());
setContentView(LayoutInflater.from(mContext).inflate(R.layout.title_popup, null));
initUI();
}
private void initUI(){
mListView = (ListView) getContentView().findViewById(R.id.title_list);
mListView.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int index,
long arg3) {
dismiss();
if(mItemOnClickListener != null)
mItemOnClickListener.onItemClick(mActionItems.get(index), index);
}
});
}
public void addAction(ActionItem action){
if(action != null){
mActionItems.add(action);
mIsDirty = true;
}
}
public void cleanAction(){
if(mActionItems.isEmpty()){
mActionItems.clear();
mIsDirty = true;
}
}
public ActionItem getAction(int position){
if(position < 0 || position > mActionItems.size())
return null;
return mActionItems.get(position);
}
public void setDirection(int direction){
this.mDirection = direction;
}
public void setItemOnClickListener(OnItemOnClickListener onItemOnClickListener){
this.mItemOnClickListener = onItemOnClickListener;
}
private void populateActions(){
mIsDirty = false;
mListView.setAdapter(new BaseAdapter() {
@Override
public View getView(int position, View convertView, ViewGroup parent) {
TextView textView = null;
if(convertView == null){
textView = new TextView(mContext);
textView.setTextColor(mContext.getResources().getColor(android.R.color.white));
textView.setTextSize(18);
textView.setPadding(0, 10, 0, 10);
textView.setSingleLine(true);
}else{
textView = (TextView) convertView;
}
ActionItem item = mActionItems.get(position);
textView.setText(item.mTitle);
textView.setCompoundDrawablePadding(10);
textView.setCompoundDrawablesWithIntrinsicBounds(item.mDrawable, null , null, null);
return textView;
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public Object getItem(int position) {
return mActionItems.get(position);
}
@Override
public int getCount() {
return mActionItems.size();
}
}) ;
}
public void show(View view){
view.getLocationOnScreen(mLocation);
mRect.set(mLocation[0], mLocation[1], mLocation[0] + view.getWidth(),
mLocation[1] + view.getHeight());
if(mIsDirty){
populateActions();
}
showAtLocation(view, popupGravity, mScreenWidth - LIST_PADDING - (getWidth()/2), mRect.bottom);
}
}
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