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Ability to use ids with the selected items. #4

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Ability to use ids with the selected items. #4

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36 changes: 36 additions & 0 deletions src/com/multiselectspinner/widget/MultiSelectSpinner.java
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,7 @@
*/
public class MultiSelectSpinner extends Spinner implements OnMultiChoiceClickListener {
String[] _items = null;
Long[] _ids = null;
boolean[] _selection = null;

ArrayAdapter<String> _proxyAdapter;
Expand Down Expand Up @@ -121,6 +122,22 @@ public void setItems(List<String> items) {
Arrays.fill(_selection, false);
}

/**
* Sets the id foreach item in the spinner.
* @param ids
*/
public void settIds(Long[] ids){
_ids = ids;
}

/**
* Sets the id foreach item in the spinner.
* @param ids
*/
public void setIds(List<Long> ids) {
_ids = ids.toArray(new Long[ids.size()]);
}

/**
* Sets the selected options based on an array of string.
* @param selection
Expand Down Expand Up @@ -192,6 +209,25 @@ public List<Integer> getSelectedIndicies() {
return selection;
}

/**
* Returns a list of ids, one for each selected item.
*
* @return
*/
public List<Long> getSelectedIds() {
if(_ids == null)
throw new IllegalStateException("This method should only be called if setIds is called");
if(_ids.length != _items.length)
throw new IllegalStateException("The number of ids should match the number of items");
List<Long> selection = new LinkedList<Long>();
for (int i = 0; i < _items.length; ++i) {
if (_selection[i]) {
selection.add(_ids[i]);
}
}
return selection;
}

/**
* Builds the string for display in the spinner.
* @return comma-separated list of selected items
Expand Down