NewFolderDialog.java

package com.fruit.launcher;

import java.io.UnsupportedEncodingException;

import com.fruit.launcher.LauncherSettings.Applications;
import com.fruit.launcher.LauncherSettings.BaseLauncherColumns;
import com.fruit.launcher.LauncherSettings.Favorites;
import android.app.Activity;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.provider.BaseColumns;
import android.text.InputFilter;
import android.text.Spanned;
import android.util.Log;
import android.view.View;
import android.view.Window;
import android.view.inputmethod.InputMethodManager;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

public class NewFolderDialog extends Activity {

	private static final int MAX_LENGTH = 24;

	private int mCurrentScreen;
	private int mPerCount;
	private int style;
	private long mContainer;
	private String mTitle;
	private int mID;
	private int mPosition;
	private EditText mFolderNameEditText;
	private InputFilter mInputFilter;

	static final String TAG = "NewFolderDialog";
	public static final String STYLE = "style";
	public static final String CONTAINER = "container";
	public static final String PAGE = "page";
	public static final String PERPAGECOUNT = "perpagecount";
	public static final String TITLE = "title";
	public static final String ID = "id";
	public static final String POSITION = "position";

	public static final int RENAME = 1;
	public static final int NEW = 2;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		// TODO Auto-generated method stub
		super.onCreate(savedInstanceState);

		Intent intent = this.getIntent();
		style = intent.getIntExtra(STYLE, NEW);
		mContainer = intent
				.getLongExtra(CONTAINER, Favorites.CONTAINER_DESKTOP);

		if (style == NEW) {
			mCurrentScreen = intent.getIntExtra(PAGE, 0);
			mPerCount = intent.getIntExtra(PERPAGECOUNT, 0);
		} else {
			mTitle = intent.getStringExtra(TITLE);
			mID = intent.getIntExtra(ID, -1);
			mPosition = intent.getIntExtra(POSITION, -1);
		}

		requestWindowFeature(Window.FEATURE_NO_TITLE);
		// setTitle(R.string.new_folder_title);
		setContentView(R.layout.newfolderdialog);
		getWindow().setBackgroundDrawableResource(R.drawable.dialog_folder_bg);

		TextView tvTitle = (TextView) findViewById(R.id.folder_dialog_title);
		mFolderNameEditText = (EditText) findViewById(R.id.folder_dialog_name);
		mInputFilter = new InputFilter() {

			@Override
			public CharSequence filter(CharSequence source, int start, int end,
					Spanned dest, int dstart, int dend) {
				// TODO Auto-generated method stub
				try {
					// int destLen = dest.toString().getBytes("GB18030").length;
					// int sourceLen =
					// source.toString().getBytes("GB18030").length;

					int destLen = dest.toString().getBytes("UTF-8").length;
					int sourceLen = source.toString().getBytes("UTF-8").length;
					Log.d("inputfilter", String.valueOf(destLen + sourceLen));

					if ((sourceLen + destLen) > MAX_LENGTH) {
						Toast.makeText(getBaseContext(),
								R.string.folder_name_is_full,
								Toast.LENGTH_SHORT).show();
						return "";
					}

					return source;
				} catch (UnsupportedEncodingException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
					return "";
				}
			}

		};
		mFolderNameEditText.setFilters(new InputFilter[] { mInputFilter });

		if (style != NEW) {
			tvTitle.setText(R.string.rename_folder_title);
			mFolderNameEditText.setText(mTitle);
		}

		((Button) findViewById(R.id.btnYes))
				.setOnClickListener(new View.OnClickListener() {

					@Override
					public void onClick(View v) {
						// TODO Auto-generated method stub
						int nStart = mCurrentScreen * mPerCount;

						if (!mFolderNameEditText.getText().toString()
								.equals("")) {
							final ContentResolver cr = getContentResolver();
							if (style == NEW) {
								Intent createFolder = new Intent();

								if (mContainer == Applications.CONTAINER_APPS) {
									final Uri updateUri = Applications
											.getCustomUri("/addfolder");

									if (getResources().getBoolean(
											R.bool.config_lock_apps)) {
										final int lockappNum = getResources()
												.getInteger(
														R.integer.config_lock_apps_num);
										nStart = nStart == 0 ? lockappNum
												: nStart;
									}
									// update position from POSITION >= nStart
									cr.update(updateUri, null, null,
											new String[] { String
													.valueOf(nStart) });

									// insert new folder
									ContentValues values = new ContentValues();
									values.put(BaseLauncherColumns.TITLE,
											mFolderNameEditText.getText()
													.toString());
									values.put(Applications.CONTAINER,
											mContainer);
									values.put(Applications.POSITION, nStart);
									values.put(BaseLauncherColumns.ORDERID, 0);
									values.put(BaseLauncherColumns.ITEM_TYPE,
											Applications.APPS_TYPE_FOLDER);

									Uri uri = cr.insert(
											Applications.CONTENT_URI, values);
									String folderId = uri.getPathSegments()
											.get(1);
									createFolder.putExtra(POSITION, nStart);
									createFolder.putExtra(ID,
											Integer.parseInt(folderId));
								}

								createFolder.putExtra(STYLE,
										NewFolderDialog.NEW);
								createFolder.putExtra(CONTAINER, mContainer);
								createFolder.putExtra(TITLE,
										mFolderNameEditText.getText()
												.toString());

								setResult(RESULT_OK, createFolder);
							} else {
								if (mContainer == Applications.CONTAINER_APPS) {
									ContentValues values = new ContentValues();

									values.put(BaseLauncherColumns.TITLE,
											mFolderNameEditText.getText()
													.toString());
									cr.update(
											Applications.CONTENT_URI,
											values,
											BaseColumns._ID + "=?",
											new String[] { String.valueOf(mID) });
								}

								Intent renameFolder = new Intent();
								renameFolder.putExtra(STYLE,
										NewFolderDialog.RENAME);
								renameFolder.putExtra(CONTAINER, mContainer);
								renameFolder.putExtra(TITLE,
										mFolderNameEditText.getText()
												.toString());
								if (mPosition != -1) {
									renameFolder.putExtra(POSITION, mPosition);
								}

								setResult(RESULT_OK, renameFolder);
							}
						} else {
							Toast.makeText(getBaseContext(),
									R.string.folder_name_is_empty,
									Toast.LENGTH_SHORT).show();
							return;
						}

						Log.d(TAG, "set result RESULT_OK");
						finish();
					}
				});

		((Button) findViewById(R.id.btnNo))
				.setOnClickListener(new View.OnClickListener() {

					@Override
					public void onClick(View v) {
						// TODO Auto-generated method stub
						setResult(RESULT_CANCELED, null);
						finish();
					}
				});

		// Delayed 100ms to display soft keyboard
		mFolderNameEditText.postDelayed(new Runnable() {

			@Override
			public void run() {
				// TODO Auto-generated method stub
				InputMethodManager im = (InputMethodManager) mFolderNameEditText
						.getContext().getSystemService(
								Context.INPUT_METHOD_SERVICE);
				im.toggleSoftInput(0, InputMethodManager.HIDE_NOT_ALWAYS);
			}
		}, 100);
	}
}