Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.document.linking.ui / src / org / simantics / document / linking / report / templates / PathComparator.java

diff --git a/bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/report/templates/PathComparator.java b/bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/report/templates/PathComparator.java
new file mode 100644 (file)
index 0000000..edebfa9
--- /dev/null
+++ b/bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/report/templates/PathComparator.java
@@ -0,0 +1,54 @@
+package org.simantics.document.linking.report.templates;\r
+\r
+import java.util.Comparator;\r
+import java.util.List;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.utils.NameUtils;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.utils.strings.AlphanumComparator;\r
+\r
+public class PathComparator implements Comparator<List<Resource>>{\r
+       \r
+       private ReadGraph graph;\r
+       \r
+       public PathComparator(ReadGraph graph) {\r
+               this.graph = graph;\r
+       }\r
+       \r
+       @Override\r
+       public int compare(List<Resource> o1, List<Resource> o2) {\r
+               int common = Math.min(o1.size(), o2.size());\r
+               for (int i = 0; i < common; i++) {\r
+                       if (o1.get(i).equals(o2.get(i)))\r
+                               continue;\r
+                       try {\r
+                               Resource r1 = o1.get(i);\r
+                               Resource r2 = o2.get(i);\r
+                               String l1 = getText(r1);\r
+                               String l2 = getText(r2);\r
+                               int c = AlphanumComparator.COMPARATOR.compare(l1, l2);\r
+                               if (c == 0) {\r
+                                       if (r1.getResourceId() > r2.getResourceId())\r
+                                               return 1;\r
+                                       if (r1.getResourceId() < r2.getResourceId())\r
+                                               return -1;\r
+                                       return 0;\r
+                               }\r
+                               return c;\r
+                       } catch (DatabaseException e) {\r
+                               return 0;\r
+                       }\r
+               }\r
+               return o1.size() - o2.size();\r
+       }\r
+       \r
+       public String getText(Resource r) throws DatabaseException {\r
+               String l1 = NameUtils.getSafeLabel(graph, r);\r
+               if (l1.length() == 0)\r
+                       l1 = NameUtils.getSafeName(graph, r);\r
+               return l1;\r
+       }\r
+\r
+}\r