diff options
Diffstat (limited to 'org_apg/src/org/apg/ui/widget/IntegerListPreference.java')
-rw-r--r-- | org_apg/src/org/apg/ui/widget/IntegerListPreference.java | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/org_apg/src/org/apg/ui/widget/IntegerListPreference.java b/org_apg/src/org/apg/ui/widget/IntegerListPreference.java deleted file mode 100644 index fa411a786..000000000 --- a/org_apg/src/org/apg/ui/widget/IntegerListPreference.java +++ /dev/null @@ -1,95 +0,0 @@ -/* - * Copyright 2010 Google Inc. - * - * 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 org.apg.ui.widget; - -import android.content.Context; -import android.preference.ListPreference; -import android.util.AttributeSet; - -/** - * A list preference which persists its values as integers instead of strings. - * Code reading the values should use - * {@link android.content.SharedPreferences#getInt}. - * When using XML-declared arrays for entry values, the arrays should be regular - * string arrays containing valid integer values. - * - * @author Rodrigo Damazio - */ -public class IntegerListPreference extends ListPreference { - - public IntegerListPreference(Context context) { - super(context); - - verifyEntryValues(null); - } - - public IntegerListPreference(Context context, AttributeSet attrs) { - super(context, attrs); - - verifyEntryValues(null); - } - - @Override - public void setEntryValues(CharSequence[] entryValues) { - CharSequence[] oldValues = getEntryValues(); - super.setEntryValues(entryValues); - verifyEntryValues(oldValues); - } - - @Override - public void setEntryValues(int entryValuesResId) { - CharSequence[] oldValues = getEntryValues(); - super.setEntryValues(entryValuesResId); - verifyEntryValues(oldValues); - } - - @Override - protected String getPersistedString(String defaultReturnValue) { - // During initial load, there's no known default value - int defaultIntegerValue = Integer.MIN_VALUE; - if (defaultReturnValue != null) { - defaultIntegerValue = Integer.parseInt(defaultReturnValue); - } - - // When the list preference asks us to read a string, instead read an - // integer. - int value = getPersistedInt(defaultIntegerValue); - return Integer.toString(value); - } - - @Override - protected boolean persistString(String value) { - // When asked to save a string, instead save an integer - return persistInt(Integer.parseInt(value)); - } - - private void verifyEntryValues(CharSequence[] oldValues) { - CharSequence[] entryValues = getEntryValues(); - if (entryValues == null) { - return; - } - - for (CharSequence entryValue : entryValues) { - try { - Integer.parseInt(entryValue.toString()); - } catch (NumberFormatException nfe) { - super.setEntryValues(oldValues); - throw nfe; - } - } - } -} |