| Clover coverage report - DrJava Test Coverage (drjava-20120304-r5456) |
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| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| AndGUIAvailabilityListener.java | 100% | 100% | 100% | 100% |
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| 1 | /*BEGIN_COPYRIGHT_BLOCK | |
| 2 | * | |
| 3 | * Copyright (c) 2001-2010, JavaPLT group at Rice University (drjava@rice.edu) | |
| 4 | * All rights reserved. | |
| 5 | * | |
| 6 | * Redistribution and use in source and binary forms, with or without | |
| 7 | * modification, are permitted provided that the following conditions are met: | |
| 8 | * * Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * * Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * * Neither the names of DrJava, the JavaPLT group, Rice University, nor the | |
| 14 | * names of its contributors may be used to endorse or promote products | |
| 15 | * derived from this software without specific prior written permission. | |
| 16 | * | |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 18 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 19 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 20 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR | |
| 21 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 22 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 23 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 24 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
| 25 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
| 26 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| 27 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 28 | * | |
| 29 | * This software is Open Source Initiative approved Open Source Software. | |
| 30 | * Open Source Initative Approved is a trademark of the Open Source Initiative. | |
| 31 | * | |
| 32 | * This file is part of DrJava. Download the current version of this project | |
| 33 | * from http://www.drjava.org/ or http://sourceforge.net/projects/drjava/ | |
| 34 | * | |
| 35 | * END_COPYRIGHT_BLOCK*/ | |
| 36 | ||
| 37 | package edu.rice.cs.drjava.ui.avail; | |
| 38 | ||
| 39 | import edu.rice.cs.drjava.model.EventNotifier; | |
| 40 | import java.util.HashSet; | |
| 41 | ||
| 42 | /** | |
| 43 | * Listener responding to the availability of several GUI components. | |
| 44 | * | |
| 45 | * @version $Id: AndGUIAvailabilityListener.java 5355 2010-08-11 21:20:32Z mgricken $ | |
| 46 | */ | |
| 47 | public abstract class AndGUIAvailabilityListener implements GUIAvailabilityListener { | |
| 48 | protected final HashSet<ComponentType> _components = new HashSet<ComponentType>(); | |
| 49 | protected final GUIAvailabilityNotifier _notifier; | |
| 50 | protected volatile boolean _lastValue = true; | |
| 51 | ||
| 52 | /** Create a listener that responds to changes in availability of several GUI components. | |
| 53 | * @param components components that must be available */ | |
| 54 | 1292 | public AndGUIAvailabilityListener(GUIAvailabilityNotifier notifier, ComponentType... components) { |
| 55 | 1292 | _notifier = notifier; |
| 56 | 1292 | for(ComponentType c: components) { |
| 57 | 2546 | _components.add(c); |
| 58 | 2546 | _lastValue &= _notifier.isAvailable(c); |
| 59 | } | |
| 60 | } | |
| 61 | ||
| 62 | /** @return true if all required components are available */ | |
| 63 | 1467 | public boolean isAvailable() { |
| 64 | 1467 | for(ComponentType c: _components) { |
| 65 | 1409 | if (!_notifier.isAvailable(c)) return false; |
| 66 | } | |
| 67 | 58 | return true; |
| 68 | } | |
| 69 | ||
| 70 | /** Called when a component's availability changes. | |
| 71 | * @param component the component whose availability changed | |
| 72 | * @param available true if component is available */ | |
| 73 | 6996 | public void availabilityChanged(ComponentType component, boolean available) { |
| 74 | 6996 | if (_components.contains(component)) { |
| 75 | 1467 | boolean newValue = isAvailable(); |
| 76 | 1467 | if (_lastValue != newValue) { |
| 77 | 943 | _lastValue = newValue; |
| 78 | 943 | availabilityChanged(newValue); |
| 79 | } | |
| 80 | } | |
| 81 | } | |
| 82 | ||
| 83 | /** Called when the combined availability of all components changes. | |
| 84 | * @param available true if all components are available */ | |
| 85 | public abstract void availabilityChanged(boolean available); | |
| 86 | } |
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