| /* |
| * 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.expressions.integer; |
| |
| import com.android.tools.idea.ui.properties.ObservableValue; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| |
| /** |
| * An expression which returns a sum of all {@link ObservableValue} arguments. |
| */ |
| public final class SumExpression extends IntExpression { |
| private final List<ObservableValue<Integer>> myValues; |
| |
| public SumExpression(ObservableValue<Integer>... values) { |
| super(values); |
| myValues = Arrays.asList(values); |
| } |
| |
| @NotNull |
| @Override |
| public Integer get() { |
| int sum = 0; |
| for (ObservableValue<Integer> value : myValues) { |
| sum += value.get(); |
| } |
| return sum; |
| } |
| } |