| /* |
| * Copyright 2000-2014 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.util.xml.structure; |
| |
| import com.intellij.ide.structureView.StructureViewTreeElement; |
| import com.intellij.ide.util.treeView.smartTree.TreeElement; |
| import com.intellij.navigation.ItemPresentation; |
| import com.intellij.util.Function; |
| import com.intellij.util.xml.*; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import javax.swing.*; |
| import java.util.ArrayList; |
| |
| /** |
| * @author Gregory.Shrago |
| */ |
| public class DomStructureTreeElement implements StructureViewTreeElement, ItemPresentation { |
| private final DomElement myElement; |
| private final Function<DomElement, DomService.StructureViewMode> myDescriptor; |
| private final DomElementNavigationProvider myNavigationProvider; |
| |
| public DomStructureTreeElement(@NotNull final DomElement element, |
| @NotNull final Function<DomElement,DomService.StructureViewMode> descriptor, |
| @Nullable final DomElementNavigationProvider navigationProvider) { |
| myElement = element; |
| myDescriptor = descriptor; |
| myNavigationProvider = navigationProvider; |
| } |
| |
| public DomElement getElement() { |
| return myElement; |
| } |
| |
| @Override |
| @Nullable |
| public Object getValue() { |
| return myElement.isValid() ? myElement.getXmlElement() : null; |
| } |
| |
| @Override |
| @NotNull |
| public ItemPresentation getPresentation() { |
| return this; |
| } |
| |
| @Override |
| @NotNull |
| public TreeElement[] getChildren() { |
| if (!myElement.isValid()) return EMPTY_ARRAY; |
| final ArrayList<TreeElement> result = new ArrayList<TreeElement>(); |
| final DomElementVisitor elementVisitor = new DomElementVisitor() { |
| @Override |
| public void visitDomElement(final DomElement element) { |
| if (element instanceof GenericDomValue) return; |
| final DomService.StructureViewMode viewMode = myDescriptor.fun(element); |
| switch (viewMode) { |
| case SHOW: |
| result.add(createChildElement(element)); |
| break; |
| case SHOW_CHILDREN: |
| DomUtil.acceptAvailableChildren(element, this); |
| break; |
| case SKIP: |
| break; |
| } |
| } |
| }; |
| DomUtil.acceptAvailableChildren(myElement, elementVisitor); |
| return result.toArray(new TreeElement[result.size()]); |
| } |
| |
| protected StructureViewTreeElement createChildElement(final DomElement element) { |
| return new DomStructureTreeElement(element, myDescriptor, myNavigationProvider); |
| } |
| |
| @Override |
| public void navigate(boolean requestFocus) { |
| if (myNavigationProvider != null) myNavigationProvider.navigate(myElement, true); |
| } |
| |
| @Override |
| public boolean canNavigate() { |
| return myNavigationProvider != null && myNavigationProvider.canNavigate(myElement); |
| } |
| |
| @Override |
| public boolean canNavigateToSource() { |
| return myNavigationProvider != null && myNavigationProvider.canNavigate(myElement); |
| } |
| |
| @Override |
| public String getPresentableText() { |
| if (!myElement.isValid()) return "<unknown>"; |
| final ElementPresentation presentation = myElement.getPresentation(); |
| final String name = presentation.getElementName(); |
| return name != null? name : presentation.getTypeName(); |
| } |
| |
| @Override |
| @Nullable |
| public String getLocationString() { |
| return null; |
| } |
| |
| @Override |
| @Nullable |
| public Icon getIcon(boolean open) { |
| if (!myElement.isValid()) return null; |
| return myElement.getPresentation().getIcon(); |
| } |
| } |