1 /*
   2  * Copyright (c) 2012, 2014, Oracle and/or its affiliates.
   3  * All rights reserved. Use is subject to license terms.
   4  *
   5  * This file is available and licensed under the following license:
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  *  - Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  *  - Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in
  15  *    the documentation and/or other materials provided with the distribution.
  16  *  - Neither the name of Oracle Corporation nor the names of its
  17  *    contributors may be used to endorse or promote products derived
  18  *    from this software without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32 package com.oracle.javafx.scenebuilder.kit.metadata.util;
  33 
  34 import java.util.Comparator;
  35 import java.util.List;
  36 import java.util.Map;
  37 
  38 /**
  39  *
  40  */
  41 public class InspectorPathComparator implements Comparator<InspectorPath> {
  42 
  43     private final List<String> sectionNames;
  44     private final Map<String, List<String>> subSectionMap;
  45 
  46     /*
  47      * Public
  48      */
  49 
  50     public InspectorPathComparator(List<String> sectionNames, Map<String, List<String>> subSectionMap) {
  51         this.sectionNames = sectionNames;
  52         this.subSectionMap = subSectionMap;
  53     }
  54 
  55     /*
  56      * Comparator
  57      */
  58 
  59     @Override
  60     public int compare(InspectorPath p1, InspectorPath p2) {
  61         assert p1 != null;
  62         assert p2 != null;
  63 
  64         final int result;
  65 
  66         if (p1 == p2) {
  67             result = 0;
  68         } else {
  69             final int sectionIndex1 = sectionNames.indexOf(p1.getSectionTag());
  70             final int sectionIndex2 = sectionNames.indexOf(p2.getSectionTag());
  71 
  72             assert sectionIndex1 != -1 : "sectionTag=" + p1.getSectionTag();
  73             assert sectionIndex2 != -1 : "sectionTag=" + p2.getSectionTag();
  74 
  75             if (sectionIndex1 < sectionIndex2) {
  76                 result = -1;
  77             } else if (sectionIndex1 > sectionIndex2) {
  78                 result = +1;
  79             } else {
  80                 assert sectionIndex1 == sectionIndex2;
  81                 assert p1.getSectionTag().equals(p2.getSectionTag());
  82                 final List<String> subSections = subSectionMap.get(p1.getSectionTag());
  83 
  84                 assert subSections != null : "sectionTag=" + p1.getSectionTag();
  85 
  86                 final int subSectionIndex1 = subSections.indexOf(p1.getSubSectionTag());
  87                 final int subSectionIndex2 = subSections.indexOf(p2.getSubSectionTag());
  88 
  89                 assert subSectionIndex1 != -1 : "subSectionTag=" + p1.getSubSectionTag();
  90                 assert subSectionIndex2 != -1 : "subSectionTag=" + p2.getSubSectionTag();
  91 
  92                 if (subSectionIndex1 < subSectionIndex2) {
  93                     result = -1;
  94                 } else if (subSectionIndex1 > subSectionIndex2) {
  95                     result = +1;
  96                 } else {
  97                     assert subSectionIndex1 == subSectionIndex2;
  98                     final int propertyIndex1 = p1.getSubSectionIndex();
  99                     final int propertyIndex2 = p2.getSubSectionIndex();
 100                     if (propertyIndex1 < propertyIndex2) {
 101                         result = -1;
 102                     } else if (propertyIndex1 > propertyIndex2) {
 103                         result = +1;
 104                     } else {
 105                         result = 0;
 106                     }
 107                 }
 108             }
 109         }
 110 
 111         return result;
 112     }
 113 }