bundles/org.simantics.selectionview/src/org/simantics/selectionview/StandardSelectionInput.java

   1 package org.simantics.selectionview;\r
   2 \r
   3 import java.util.ArrayList;\r
   4 import java.util.Collection;\r
   5 import java.util.Collections;\r
   6 import java.util.HashMap;\r
   7 import java.util.Map;\r
   8 \r
   9 import org.simantics.ui.selection.WorkbenchSelectionElement;\r
  10 \r
  11 final public class StandardSelectionInput implements SelectionInput {\r
  12         \r
  13         private final Collection<WorkbenchSelectionElement> elements;\r
  14         private final Map<String, Object> parameters;\r
  15         \r
  16         public StandardSelectionInput(Collection<WorkbenchSelectionElement> elements, Map<String, Object> parameters) {\r
  17                 this.parameters = new HashMap<String, Object>(parameters);\r
  18                 this.elements = new ArrayList<WorkbenchSelectionElement>(elements);\r
  19         }\r
  20         \r
  21         public StandardSelectionInput(WorkbenchSelectionElement element, Map<String, Object> parameters) {\r
  22                 this.parameters = new HashMap<String, Object>(parameters);\r
  23                 this.elements = Collections.singletonList(element);\r
  24         }\r
  25 \r
  26         public StandardSelectionInput(WorkbenchSelectionElement element) {\r
  27                 this.parameters = Collections.emptyMap();\r
  28                 this.elements = Collections.singletonList(element);\r
  29         }\r
  30 \r
  31         public Collection<WorkbenchSelectionElement> getElements() {\r
  32                 return elements;\r
  33         }\r
  34         \r
  35         public <T> T getParameter(String key) {\r
  36                 return (T)parameters.get(key);\r
  37         }\r
  38         \r
  39         @Override\r
  40         public int hashCode() {\r
  41                 return elements.hashCode() + 31 * parameters.hashCode();\r
  42         }\r
  43         \r
  44         @Override\r
  45         public boolean equals(Object object) {\r
  46         if (this == object)\r
  47             return true;\r
  48         else if (object == null)\r
  49             return false;\r
  50         else if (!(object instanceof StandardSelectionInput))\r
  51             return false;\r
  52         StandardSelectionInput ssi = (StandardSelectionInput)object;\r
  53         if(!elements.equals(ssi.elements)) return false;\r
  54         return parameters.equals(ssi.parameters);\r
  55         }\r
  56 \r
  57         @Override\r
  58         public String toString() {\r
  59                 return "StandardSelectionInput[es=" + elements + ", par=" + parameters + "]";\r
  60         }\r
  61         \r
  62 }\r