| /* |
| * Copyright (C) 2015 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.tools.idea.ui.properties.core; |
| |
| import com.android.tools.idea.ui.properties.ObservableValue; |
| import com.android.tools.idea.ui.properties.ObservableProperty; |
| import com.android.tools.idea.ui.properties.expressions.bool.AndExpression; |
| import com.android.tools.idea.ui.properties.expressions.bool.NotExpression; |
| import com.android.tools.idea.ui.properties.expressions.bool.OrExpression; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * Base class that every boolean-type property should inherit from, as it provides useful methods |
| * that enable chaining. |
| */ |
| public abstract class BoolProperty extends ObservableProperty<Boolean> implements ObservableBool { |
| |
| public void invert() { |
| set(!get()); |
| } |
| |
| @NotNull |
| @Override |
| public ObservableBool not() { |
| return new NotExpression(this); |
| } |
| |
| @NotNull |
| @Override |
| public ObservableBool or(@NotNull ObservableValue<Boolean> other) { |
| return new OrExpression(this, other); |
| } |
| |
| @NotNull |
| @Override |
| public ObservableBool and(@NotNull ObservableValue<Boolean> other) { |
| return new AndExpression(this, other); |
| } |
| |
| } |