| /* |
| * Copyright 2000-2011 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.codeInsight.daemon.impl.tagTreeHighlighting; |
| |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.xml.XmlTag; |
| import com.intellij.xml.breadcrumbs.BreadcrumbsPresentationProvider; |
| import com.intellij.xml.breadcrumbs.CrumbPresentation; |
| import com.intellij.xml.breadcrumbs.DefaultCrumbsPresentation; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.awt.*; |
| |
| /** |
| * @author Eugene.Kudelevsky |
| */ |
| public class XmlTagTreeBreadcrumbsPresentationProvider extends BreadcrumbsPresentationProvider { |
| private static boolean isMyContext(@NotNull PsiElement deepestElement) { |
| final PsiFile file = deepestElement.getContainingFile(); |
| if (file == null || !XmlTagTreeHighlightingUtil.isTagTreeHighlightingActive(file)) { |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public CrumbPresentation[] getCrumbPresentations(@NotNull PsiElement[] elements) { |
| if (elements.length == 0 || !isMyContext(elements[elements.length - 1])) { |
| return null; |
| } |
| |
| if (!XmlTagTreeHighlightingUtil.containsTagsWithSameName(elements)) { |
| return null; |
| } |
| |
| final CrumbPresentation[] result = new CrumbPresentation[elements.length]; |
| final Color[] baseColors = XmlTagTreeHighlightingUtil.getBaseColors(); |
| int index = 0; |
| |
| for (int i = result.length - 1; i >= 0; i--) { |
| if (elements[i] instanceof XmlTag) { |
| final Color color = baseColors[index % baseColors.length]; |
| result[i] = new MyCrumbPresentation(color); |
| index++; |
| } |
| } |
| return result; |
| } |
| |
| private static class MyCrumbPresentation extends DefaultCrumbsPresentation { |
| private final Color myColor; |
| |
| private MyCrumbPresentation(@Nullable Color color) { |
| myColor = color; |
| } |
| |
| @Override |
| public Color getBackgroundColor(boolean selected, boolean hovered, boolean light) { |
| final Color baseColor = super.getBackgroundColor(selected, hovered, light); |
| return myColor != null |
| ? XmlTagTreeHighlightingUtil.makeTransparent(myColor, baseColor, 0.1) |
| : baseColor; |
| } |
| } |
| } |