bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/SpreadsheetEngine.java

   1 package org.simantics.spreadsheet.graph;\r
   2 \r
   3 import java.util.Collections;\r
   4 import java.util.HashMap;\r
   5 import java.util.List;\r
   6 import java.util.Map;\r
   7 import java.util.Optional;\r
   8 \r
   9 import org.simantics.spreadsheet.Range;\r
  10 import org.simantics.spreadsheet.graph.parser.ast.AstRange;\r
  11 \r
  12 public class SpreadsheetEngine implements SpreadsheetElement, SheetNode {\r
  13 \r
  14         private static final long serialVersionUID = -5246063647558595642L;\r
  15         \r
  16         private static final String LINES = "Lines";\r
  17         \r
  18         private final SpreadsheetBook book;\r
  19         private final String name;\r
  20         private final int id;\r
  21 \r
  22         public SpreadsheetLines lines;\r
  23         \r
  24         transient public Map<String,Object> rangeCache;\r
  25 \r
  26         public Map<String,Object> getRangeCache() {\r
  27                 if(rangeCache == null) rangeCache = new HashMap<String,Object>();\r
  28                 return rangeCache;\r
  29         }\r
  30         \r
  31         public Object getCachedRange(AstRange range) {\r
  32                 if(range.sheetName != null) return null;\r
  33                 return getRangeCache().get(range.first + ":" + range.second); \r
  34         }\r
  35         \r
  36         public void cacheRange(AstRange range, Object value) {\r
  37                 if(range.sheetName != null) return;\r
  38                 getRangeCache().put(range.first + ":" + range.second, value);\r
  39         }\r
  40 \r
  41         public SpreadsheetEngine(SpreadsheetBook book, String name) {\r
  42                 this.book = book;\r
  43                 this.name = name;\r
  44                 this.id = book.getNewId(this);\r
  45                 this.lines = new SpreadsheetLines(this, LINES);\r
  46         }\r
  47         \r
  48         public SpreadsheetBook getBook() {\r
  49                 return book;\r
  50         }\r
  51         \r
  52         public int getId() {\r
  53                 return id;\r
  54         }\r
  55         \r
  56         Object resolve(String[] parts, int index) {\r
  57                 \r
  58                 String part = parts[index];\r
  59                 if(!part.equals(LINES)) return null;\r
  60                 \r
  61                 if(index == parts.length-1) return lines;\r
  62                 \r
  63                 return lines.resolve(parts, index+1);\r
  64 \r
  65         }\r
  66         \r
  67         @Override\r
  68         public String getName() {\r
  69                 return name;\r
  70         }\r
  71         \r
  72         @Override\r
  73         public Map<String, SheetNode> getChildren() {\r
  74                 return Collections.singletonMap(LINES, lines);\r
  75         }\r
  76         \r
  77         @Override\r
  78         public Map<String, SheetNode> getProperties() {\r
  79                 return Collections.emptyMap();\r
  80         } \r
  81         \r
  82         public Object ensureSubprocess(String[] path, int index) {\r
  83                 \r
  84                 String name = path[index];\r
  85                 if(!LINES.equals(name)) throw new IllegalStateException();\r
  86                 if(index == path.length - 1) return lines;\r
  87                 return lines.ensureSubprocess(path, index+1);\r
  88                 \r
  89         }\r
  90         \r
  91         public SpreadsheetLine getLine(int row) {\r
  92                 assert(lines.nodes.size() == 1);\r
  93                 SpreadsheetLines root = lines.nodes.values().iterator().next();\r
  94                 return root.getLine(row);\r
  95         }\r
  96 \r
  97         @Override\r
  98         public void accept(SpreadsheetVisitor v) {\r
  99                 v.visit(this);\r
 100         }\r
 101         \r
 102         public Range actualRange(Range r) {\r
 103                 if(r.isFullRows()) {\r
 104                         SpreadsheetLines root = lines.nodes.values().iterator().next();\r
 105                         Range result = new Range(r);\r
 106                         result.startRow = 0;\r
 107                         result.endRow = root.getMaxRow(); \r
 108                         return result;\r
 109                 } else {\r
 110                         return r;\r
 111                 }\r
 112         }\r
 113 \r
 114     @Override\r
 115     public Optional<SpreadsheetElement> getParent() {\r
 116         return Optional.of(book);\r
 117     }\r
 118 \r
 119     @Override\r
 120     public List<SpreadsheetElement> getSpreadsheetChildren() {\r
 121         return Collections.singletonList(lines);\r
 122     }\r
 123 \r
 124     @Override\r
 125     public void remove(SpreadsheetElement child) {\r
 126         \r
 127     }\r
 128 \r
 129     @Override\r
 130     public int hashCode() {\r
 131         final int prime = 31;\r
 132         int result = 1;\r
 133         result = prime * result + ((book == null) ? 0 : book.hashCode());\r
 134         result = prime * result + ((name == null) ? 0 : name.hashCode());\r
 135         return result;\r
 136     }\r
 137 \r
 138     @Override\r
 139     public boolean equals(Object obj) {\r
 140         if (this == obj)\r
 141             return true;\r
 142         if (obj == null)\r
 143             return false;\r
 144         if (getClass() != obj.getClass())\r
 145             return false;\r
 146         SpreadsheetEngine other = (SpreadsheetEngine) obj;\r
 147         if (book == null) {\r
 148             if (other.book != null)\r
 149                 return false;\r
 150         } else if (!book.equals(other.book))\r
 151             return false;\r
 152         if (name == null) {\r
 153             if (other.name != null)\r
 154                 return false;\r
 155         } else if (!name.equals(other.name))\r
 156             return false;\r
 157         return true;\r
 158     }\r
 159         \r
 160         \r
 161 }