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

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