Mega Code Archive
File open dialog
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//package com.FileBrowser;
import java.io.File;
import java.util.ArrayList;
import java.util.Collections;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.content.Context;
import android.content.DialogInterface;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;
class OpenDialogLayout extends LinearLayout {
public OpenDialogLayout(Context context) {
super(context);
init(context);
}
public OpenDialogLayout(Context context, AttributeSet attrs) {
super(context, attrs);
init(context);
}
private void setItemLayout(View view) {
view.setLayoutParams(new LinearLayout.LayoutParams(
ViewGroup.LayoutParams.FILL_PARENT,
ViewGroup.LayoutParams.WRAP_CONTENT, 0.0F));
}
private void setListLayout(View view) {
view.setLayoutParams(new LinearLayout.LayoutParams(
ViewGroup.LayoutParams.FILL_PARENT,
ViewGroup.LayoutParams.FILL_PARENT, 0.0F));
}
private void init(Context context) {
setOrientation(LinearLayout.VERTICAL);
setListLayout(this);
_tvPath = new TextView(context);
setItemLayout(_tvPath);
_tvPath.setText("Path: ");
_etFile = new EditText(context);
setItemLayout(_etFile);
_etFile.setEnabled(false);
_etFile.setFocusable(false);
_FileList = new FileList(context);
setListLayout(_FileList);
_FileList.setPath("/");
_FileList.setFocusable(true);
_FileList.setOnPathChangedListener(_OnPathChanged);
_FileList.setOnFileSelected(_OnFileSelected);
addView(_tvPath);
addView(_etFile);
addView(_FileList);
setFocusable(true);
setFocusableInTouchMode(true);
}
private TextView _tvPath = null;
private EditText _etFile = null;
private FileList _FileList = null;
public String getPath() {
return _tvPath.getText().toString();
}
public String getFileName() {
return _etFile.getText().toString();
}
private OnPathChangedListener _OnPathChanged = new OnPathChangedListener() {
public void onChanged(String path) {
_tvPath.setText("Path: " + path);
_etFile.setText("");
}
};
private OnFileSelectedListener _OnFileSelected = new OnFileSelectedListener() {
public void onSelected(String path, String fileName) {
_etFile.setText(fileName);
}
};
}
public class OpenDialog {
public OpenDialog(Context context) {
_OpenDialogLayout = new OpenDialogLayout(context);
_Dialog = new AlertDialog.Builder(context);
_Dialog.setTitle("Open Dialog");
_Dialog.setView(_OpenDialogLayout);
_Dialog.setPositiveButton("Ok", _OnPositiveClick);
_Dialog.setNegativeButton("Cancel", _OnNegativeClick);
}
private Builder _Dialog = null;
private OpenDialogLayout _OpenDialogLayout = null;
// Event
private OnFileSelectedListener _OnFileSelected = null;
private OnNotifyEventListener _OnCanceled = null;
public void Show() {
_Dialog.show();
}
public void setOnFileSelected(OnFileSelectedListener value) {
_OnFileSelected = value;
}
public OnFileSelectedListener getOnFileSelected() {
return _OnFileSelected;
}
public void setOnCanceled(OnNotifyEventListener value) {
_OnCanceled = value;
}
public OnNotifyEventListener getOnCanceled() {
return _OnCanceled;
}
private DialogInterface.OnClickListener _OnPositiveClick = new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
if (_OnFileSelected != null) {
_OnFileSelected.onSelected(_OpenDialogLayout.getPath(),
_OpenDialogLayout.getFileName());
}
}
};
private DialogInterface.OnClickListener _OnNegativeClick = new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
if (_OnCanceled != null) {
_OnCanceled.onNotify(OpenDialog.this);
}
}
};
}
interface OnFileSelectedListener {
public void onSelected(String path, String fileName);
}
interface OnNotifyEventListener {
public void onNotify(Object sender);
}
interface OnPathChangedListener {
public void onChanged(String path);
}
class FileList extends ListView {
public FileList(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
init(context);
}
public FileList(Context context, AttributeSet attrs) {
super(context, attrs);
init(context);
}
public FileList(Context context) {
super(context);
init(context);
}
private void init(Context context) {
_Context = context;
setOnItemClickListener(_OnItemClick);
}
private Context _Context = null;
private ArrayList<String> _List = new ArrayList<String>();
private ArrayList<String> _FolderList = new ArrayList<String>();
private ArrayList<String> _FileList = new ArrayList<String>();
private ArrayAdapter<String> _Adapter = null;
// Property
private String _Path = "";
// Event
private OnPathChangedListener _OnPathChangedListener = null;
private OnFileSelectedListener _OnFileSelectedListener = null;
private boolean openPath(String path) {
_FolderList.clear();
_FileList.clear();
File file = new File(path);
File[] files = file.listFiles();
if (files == null)
return false;
for (int i = 0; i < files.length; i++) {
if (files[i].isDirectory()) {
_FolderList.add("<" + files[i].getName() + ">");
} else {
_FileList.add(files[i].getName());
}
}
Collections.sort(_FolderList);
Collections.sort(_FileList);
_FolderList.add(0, "<..>");
return true;
}
private void updateAdapter() {
_List.clear();
_List.addAll(_FolderList);
_List.addAll(_FileList);
_Adapter = new ArrayAdapter<String>(_Context,
android.R.layout.simple_list_item_1, _List);
setAdapter(_Adapter);
}
public void setPath(String value) {
if (value.length() == 0) {
value = "/";
} else {
String lastChar = value.substring(value.length() - 1,
value.length());
if (lastChar.matches("/") == false)
value = value + "/";
}
if (openPath(value)) {
_Path = value;
updateAdapter();
if (_OnPathChangedListener != null)
_OnPathChangedListener.onChanged(value);
}
}
public String getPath() {
return _Path;
}
public void setOnPathChangedListener(OnPathChangedListener value) {
_OnPathChangedListener = value;
}
public OnPathChangedListener getOnPathChangedListener() {
return _OnPathChangedListener;
}
public void setOnFileSelected(OnFileSelectedListener value) {
_OnFileSelectedListener = value;
}
public OnFileSelectedListener getOnFileSelected() {
return _OnFileSelectedListener;
}
public String DelteRight(String value, String border) {
String list[] = value.split(border);
String result = "";
for (int i = 0; i < list.length; i++) {
result = result + list[i] + border;
}
return result;
}
private String delteLastFolder(String value) {
String list[] = value.split("/");
String result = "";
for (int i = 0; i < list.length - 1; i++) {
result = result + list[i] + "/";
}
return result;
}
private String getRealPathName(String newPath) {
String path = newPath.substring(1, newPath.length() - 1);
if (path.matches("..")) {
return delteLastFolder(_Path);
} else {
return _Path + path + "/";
}
}
private AdapterView.OnItemClickListener _OnItemClick = new AdapterView.OnItemClickListener() {
public void onItemClick(AdapterView<?> arg0, View arg1, int position,
long id) {
String fileName = getItemAtPosition(position).toString();
if (fileName.matches("<.*>")) {
setPath(getRealPathName(fileName));
} else {
if (_OnFileSelectedListener != null)
_OnFileSelectedListener.onSelected(_Path, fileName);
}
}
};
}
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