@Override
public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
// TODO Auto-generated method stub
System.out.println(">>>>>>onItemLongClick->position:" + position + " id:" + id);
final int location = position;
MyFile myFile = mData.get(location);
// 如果是路径 暂时先不处理
File file = new File(myFile.getPath());
if (file.isDirectory() || "返回".equals(myFile.getName())) {
Toast.makeText(this, "当前是文件夹或返回", Toast.LENGTH_SHORT).show();
return false;
}
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("提示");
builder.setMessage("确定要删除" + myFile.getName() + (file.isDirectory() ? "文件夹" : "文件"));
builder.setPositiveButton(
"确定",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
mData.remove(location);
fileListAdapter.notifyDataSetChanged();
}
});
builder.setNegativeButton(
"取消",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
dialog.dismiss();
}
});
builder.show();
return false;
}
@Override
public void onClick(View view, int position, long id) {
// TODO Auto-generated method stub
MyFile myFile = mData.get(position);
File file = new File(myFile.getPath());
if (file.isDirectory()) {
// 如果是文件夹节点，则进入下一层，并初始化数据
initFileData(myFile.getPath());
} else {
// Toast.makeText(MainActivity.this, "阅读器待开发", Toast.LENGTH_SHORT).show();
LayoutInflater layoutInflater = LayoutInflater.from(this);
View v = layoutInflater.inflate(R.layout.popup_item, null);
PopupWindow pw = new PopupWindow(v, LayoutParams.MATCH_PARENT, 400, true);
pw.setBackgroundDrawable(getResources().getDrawable(R.drawable.local_popup_bg));
TextView tv_fileName = (TextView) v.findViewById(R.id.tv_fileName);
tv_fileName.setText(myFile.getName());
TextView tv_filePath = (TextView) v.findViewById(R.id.tv_filePath);
tv_filePath.setText(myFile.getPath());
TextView tv_modifyTime = (TextView) v.findViewById(R.id.tv_modifyTime);
tv_modifyTime.setText(myFile.getModifyTime());
// 获得Item在屏蔽上的坐标位置
int[] location = new int[2];
view.getLocationInWindow(location);
int windowWidth = FunctionHelper.getWindowWidth(this);
pw.showAtLocation(
view, Gravity.TOP | Gravity.LEFT, location[0] + windowWidth / 8, location[1] - 100);
}
}
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
// TODO Auto-generated method stub
System.out.println(">>>>>>onItemClick->position:" + position + " id:" + id);
MyFile myFile = mData.get(position);
File file = new File(myFile.getPath());
if (file.isDirectory()) {
// 如果是文件夹节点，则进入下一层，并初始化数据
initFileData(myFile.getPath());
} else if (file.getParentFile() == null) {
Toast.makeText(MainActivity.this, "无上级目录", Toast.LENGTH_SHORT).show();
return;
} else {
// Toast.makeText(MainActivity.this, "阅读器待开发", Toast.LENGTH_SHORT).show();
// Intent intent = new
// Intent(Intent.ACTION_PICK,android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
// startActivityForResult(intent, 1);
// 如果是图片则读取图片
if (myFile.isImg()) {
Intent intent = new Intent();
intent.setAction("ACTION_PICK");
intent.putExtra("path", myFile.getPath());
intent.putExtra("type", FILE_TYPE_IMG);
startActivity(intent);
} else {
// 如果是txt/html/xml 类型的文件则打开
String path = myFile.getPath().toLowerCase();
if (path.endsWith(".txt")
|| path.endsWith(".html")
|| path.endsWith(".xml")
|| path.endsWith(".cfg")) {
Intent intent = new Intent();
intent.setAction("ACTION_PICK");
intent.putExtra("path", myFile.getPath());
intent.putExtra("type", FILE_TYPE_TXT);
startActivity(intent);
} else {
Toast.makeText(MainActivity.this, "未知文件", Toast.LENGTH_SHORT).show();
}
}
}
}
/**
* 初始化数据 传入的必须是文件夹节点
*
* @param fileNode
*/
private void initFileData(String fileNode) {
// 清理数据列表
clearData();
try {
// 文件 节点
File pfile = new File(fileNode);
// 将节点下面的文件及文件夹（不包含子目录下面的）生成数组
File[] listFiles = pfile.listFiles();
// 添加返回目录
mData.add(
0,
new MyFile(
"返回",
BitmapFactory.decodeResource(getResources(), R.drawable.back),
// 获取 当前节点 的上级节点绝对路径
pfile.getParentFile().getAbsolutePath(),
false));
MyFile myFile = null;
for (File file : listFiles) {
myFile = new MyFile();
// 文件名
myFile.setName(file.getName());
// 文件绝对路径
myFile.setPath(file.getAbsolutePath());
// 文件最后修改时间
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
myFile.setModifyTime(sdf.format(new Date(file.lastModified())));
// 如果是文件夹
if (file.isDirectory()) {
// 设置为文件夹的图片
myFile.setIcon(BitmapFactory.decodeResource(getResources(), R.drawable.folder));
// 设置为非图片
myFile.setIsImg(false);
} else {
if (file.getName() != null
&& (file.getName().toLowerCase().endsWith(".jpg")
|| file.getName().toLowerCase().endsWith(".jpeg")
|| file.getName().toLowerCase().endsWith(".png"))) {
// 使用缓存技术,这里不加载图片
// myFile.setIcon(BitmapFactory.decodeFile(file.getAbsolutePath()));
myFile.setIcon(null);
// 设置为图片
myFile.setIsImg(true);
} else {
myFile.setIcon(BitmapFactory.decodeResource(getResources(), R.drawable.file));
// 设置为非图片
myFile.setIsImg(false);
}
}
mData.add(myFile);
}
} catch (Exception e) {
// TODO: handle exception
}
// 创建文件列表适配器adapter
fileListAdapter = new FileExplorerAdapter(this, mData);
// 适配器加载视图
lv.setAdapter(fileListAdapter);
// 设置条目单击监听
lv.setOnItemClickListener(this);
// 设置条目长按监听
lv.setOnItemLongClickListener(this);
// 设置条目长按监听
fileListAdapter.setOnItemButtonClickListener(this);
}