diff options
Diffstat (limited to 'src/com/android/browser/BrowserSearchpagePreference.java')
-rw-r--r-- | src/com/android/browser/BrowserSearchpagePreference.java | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/com/android/browser/BrowserSearchpagePreference.java b/src/com/android/browser/BrowserSearchpagePreference.java new file mode 100644 index 00000000..09e89933 --- /dev/null +++ b/src/com/android/browser/BrowserSearchpagePreference.java @@ -0,0 +1,68 @@ +/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.browser; + +import android.app.AlertDialog; +import android.content.Context; +import android.content.DialogInterface; +import android.preference.EditTextPreference; +import android.text.Editable; +import android.text.TextWatcher; +import android.text.util.Regex; +import android.util.AttributeSet; + +public class BrowserSearchpagePreference extends EditTextPreference implements + TextWatcher { + + public BrowserSearchpagePreference(Context context, AttributeSet attrs, + int defStyle) { + super(context, attrs, defStyle); + getEditText().addTextChangedListener(this); + } + + public BrowserSearchpagePreference(Context context, AttributeSet attrs) { + super(context, attrs); + getEditText().addTextChangedListener(this); + } + + public BrowserSearchpagePreference(Context context) { + super(context); + getEditText().addTextChangedListener(this); + } + + public void afterTextChanged(Editable s) { + AlertDialog dialog = (AlertDialog) getDialog(); + // This callback is called before the dialog has been fully constructed + if (dialog != null) { + String string = s.toString(); + int length = string.length(); + int first = length > 0 ? string + .indexOf(BrowserActivity.QUERY_PLACE_HOLDER) : -1; + int last = length > 0 ? string + .lastIndexOf(BrowserActivity.QUERY_PLACE_HOLDER) : -1; + dialog.getButton(DialogInterface.BUTTON_POSITIVE).setEnabled( + length == 0 || (first > 0 && first == last)); + } + } + + public void beforeTextChanged(CharSequence s, int start, int count, + int after) { + } + + public void onTextChanged(CharSequence s, int start, int before, int count) { + } +} |