[1097] | 1 | package org.expeditee.gio.input;
|
---|
| 2 |
|
---|
| 3 | import java.util.HashSet;
|
---|
| 4 | import java.util.List;
|
---|
| 5 | import java.util.Set;
|
---|
| 6 |
|
---|
| 7 | import org.expeditee.Util;
|
---|
| 8 | import org.expeditee.gio.gesture.Gesture;
|
---|
| 9 | import org.expeditee.gio.input.InputEvent.InputType;
|
---|
| 10 |
|
---|
| 11 | public abstract class InputEventToGestureTranslator
|
---|
| 12 | {
|
---|
| 13 | /** The set of monitored input types. */
|
---|
| 14 | protected HashSet<InputType> _monitoredInputTypes = new HashSet<InputType>();
|
---|
| 15 |
|
---|
| 16 | /** Default constructor. */
|
---|
| 17 | protected InputEventToGestureTranslator()
|
---|
| 18 | {
|
---|
| 19 | }
|
---|
| 20 |
|
---|
| 21 | /** Constructor tells which input type this translator monitors. */
|
---|
| 22 | public InputEventToGestureTranslator(InputType monitoredInputType)
|
---|
| 23 | {
|
---|
| 24 | if (monitoredInputType != null) _monitoredInputTypes.add(monitoredInputType);
|
---|
| 25 | }
|
---|
| 26 |
|
---|
| 27 | /** Constructor tells which input types this translator monitors. */
|
---|
| 28 | public InputEventToGestureTranslator(InputType[] monitoredInputTypes)
|
---|
| 29 | {
|
---|
| 30 | _monitoredInputTypes = Util.hashSetFromArray(monitoredInputTypes);
|
---|
| 31 | }
|
---|
| 32 |
|
---|
| 33 | /** Returns a string describing this gesture. */
|
---|
| 34 | public abstract String details();
|
---|
| 35 |
|
---|
| 36 | /** Method which receives input events and translates them into Expeditee gestures. */
|
---|
| 37 | public abstract List<Gesture> onInputEvent(InputEvent event);
|
---|
| 38 |
|
---|
| 39 | /** Gets the set of all input types that this translator monitors. */
|
---|
| 40 | public Set<InputType> getMonitoredInputTypes()
|
---|
| 41 | {
|
---|
| 42 | return new HashSet<InputType>(_monitoredInputTypes);
|
---|
| 43 | }
|
---|
| 44 |
|
---|
| 45 | /** Finds out if the given input type is monitored by this translator. */
|
---|
| 46 | public boolean isMonitoredType(InputType type)
|
---|
| 47 | {
|
---|
| 48 | if (_monitoredInputTypes == null) return false;
|
---|
| 49 | return _monitoredInputTypes.contains(type);
|
---|
| 50 | }
|
---|
| 51 |
|
---|
| 52 | }
|
---|