| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * 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.intellij.lang.ant.config.impl.configuration; |
| |
| import com.intellij.util.config.AbstractProperty; |
| import com.intellij.util.containers.HashMap; |
| import org.jetbrains.annotations.Nullable; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.Map; |
| |
| public class EditPropertyContainer extends AbstractProperty.AbstractPropertyContainer { |
| private final AbstractProperty.AbstractPropertyContainer[] myOriginals; |
| private final Map<AbstractProperty, Object> myModifications = new HashMap<AbstractProperty, Object>(); |
| private final AbstractProperty.AbstractPropertyContainer myParent; |
| |
| public EditPropertyContainer(AbstractProperty.AbstractPropertyContainer original) { |
| this(new AbstractProperty.AbstractPropertyContainer[]{original}); |
| } |
| |
| public EditPropertyContainer(AbstractProperty.AbstractPropertyContainer[] originals) { |
| this(AbstractProperty.AbstractPropertyContainer.EMPTY, originals); |
| } |
| |
| private EditPropertyContainer(@NotNull AbstractProperty.AbstractPropertyContainer parentEditor, AbstractProperty.AbstractPropertyContainer[] originals) { |
| myOriginals = originals; |
| myParent = parentEditor; |
| } |
| |
| public EditPropertyContainer(EditPropertyContainer parentEditor, AbstractProperty.AbstractPropertyContainer original) { |
| this(parentEditor, new AbstractProperty.AbstractPropertyContainer[]{original}); |
| } |
| |
| protected Object getValueOf(AbstractProperty property) { |
| if (myModifications.containsKey(property)) return myModifications.get(property); |
| AbstractProperty.AbstractPropertyContainer container = findContainerOf(property); |
| if (container == null) return property.getDefault(this); |
| Object originalValue = delegateGet(container, property); |
| property.copy(originalValue); |
| return originalValue; |
| } |
| |
| public boolean hasProperty(AbstractProperty property) { |
| return findContainerOf(property) != null; |
| } |
| |
| protected void setValueOf(AbstractProperty property, Object value) { |
| if (myParent.hasProperty(property)) delegateSet(myParent, property, value); |
| else myModifications.put(property, value); |
| } |
| |
| public void apply() { |
| for (AbstractProperty property : myModifications.keySet()) { |
| AbstractProperty.AbstractPropertyContainer container = findContainerOf(property); |
| if (container != null) delegateSet(container, property, myModifications.get(property)); |
| } |
| myModifications.clear(); |
| } |
| |
| @Nullable |
| private AbstractProperty.AbstractPropertyContainer findContainerOf(AbstractProperty property) { |
| if (myParent.hasProperty(property)) return myParent; |
| for (AbstractProperty.AbstractPropertyContainer original : myOriginals) { |
| if (original.hasProperty(property)) return original; |
| } |
| return null; |
| } |
| } |