bundles/org.simantics.debug.browser/src/org/simantics/debug/browser/utils/ResourceInfo.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2016 Association for Decentralized Information Management\r
   3  * in Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     THTH ry - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.debug.browser.utils;\r
  13 \r
  14 import org.simantics.databoard.Bindings;\r
  15 import org.simantics.databoard.binding.Binding;\r
  16 import org.simantics.databoard.binding.error.BindingException;\r
  17 import org.simantics.databoard.type.Datatype;\r
  18 import org.simantics.db.ReadGraph;\r
  19 import org.simantics.db.Resource;\r
  20 import org.simantics.db.exception.DatabaseException;\r
  21 import org.simantics.layer0.Layer0;\r
  22 import org.simantics.utils.strings.AlphanumComparator;\r
  23 \r
  24 public class ResourceInfo implements Comparable<ResourceInfo> {\r
  25     public final String label;\r
  26     public final String uri;\r
  27     public final long resourceId;\r
  28     public final Resource resource;\r
  29     \r
  30     public ResourceInfo(ReadGraph graph, Resource resource) throws DatabaseException {\r
  31         this.label = getLabel(graph, resource);\r
  32         this.uri = graph.getPossibleURI(resource);\r
  33         this.resourceId = resource.getResourceId();\r
  34         this.resource = resource;\r
  35     }\r
  36     \r
  37     @Override\r
  38     public String toString() {\r
  39         StringBuilder sb = new StringBuilder(80);\r
  40         sb.append("<a href=\"")\r
  41           .append(resourceId)\r
  42           .append("\"");\r
  43         \r
  44         if (uri != null)\r
  45             sb.append(" title=\"").append(uri).append("\"");\r
  46         \r
  47         sb.append(">")\r
  48           .append(Escapes.html(label))\r
  49           .append("</a>");\r
  50         \r
  51         return sb.toString();\r
  52     }\r
  53     \r
  54     public static String getLabel(ReadGraph graph, Resource resource) throws DatabaseException {\r
  55         Layer0 L0 = Layer0.getInstance(graph);\r
  56         String name = graph.getPossibleRelatedValue(resource, L0.HasName);\r
  57         if(name != null) {\r
  58             if(name.equals("Inverse")) {\r
  59                 Resource inverse = graph.getPossibleInverse(resource);\r
  60                 Resource parent = graph.getPossibleObject(resource, L0.PartOf);\r
  61                 if(inverse != null && inverse.equals(parent)) {\r
  62                     String parentName = graph.getPossibleRelatedValue(parent, L0.HasName);\r
  63                     if(parentName != null)\r
  64                         return parentName + "/Inverse";\r
  65                 }\r
  66             }\r
  67             return name;\r
  68         }\r
  69         \r
  70         if(graph.hasValue(resource)) {\r
  71             Datatype datatype = graph.getDataType(resource);\r
  72             Binding binding = Bindings.getBinding(datatype);\r
  73             Object value = graph.getValue(resource, binding);\r
  74             try {\r
  75                 String valueString = binding.toString(value, true);\r
  76                 if(valueString.length() < 100)\r
  77                     return valueString;\r
  78                 else\r
  79                     return valueString.substring(0, 100) + "...";\r
  80             } catch (BindingException e) {\r
  81                 e.printStackTrace();\r
  82             }\r
  83         }\r
  84         \r
  85         return "$" + resource.getResourceId();\r
  86     }\r
  87 \r
  88     @Override\r
  89     public int compareTo(ResourceInfo o) {\r
  90         return AlphanumComparator.CASE_INSENSITIVE_COMPARATOR.compare(label, o.label);\r
  91     }\r
  92 }\r