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package com.sun.javafx.runtime.location; |
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import java.util.ArrayList; |
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import java.util.List; |
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import com.sun.javafx.runtime.AssignToBoundException; |
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import com.sun.javafx.runtime.ErrorHandler; |
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14 | 1022 | public class BooleanVariable |
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extends AbstractVariable<Boolean, BooleanLocation, BooleanBindingExpression> |
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implements BooleanLocation { |
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|
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public static final boolean DEFAULT = false; |
19 | 672 | protected boolean $value = DEFAULT; |
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private List<BooleanChangeListener> replaceListeners; |
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|
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public static BooleanVariable make() { |
23 | 197 | return new BooleanVariable(); |
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} |
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|
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public static BooleanVariable make(boolean value) { |
27 | 15 | return new BooleanVariable(value); |
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} |
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public static BooleanVariable make(boolean lazy, BooleanBindingExpression binding, Location... dependencies) { |
31 | 6 | return new BooleanVariable(lazy, binding, dependencies); |
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} |
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public static BooleanVariable make(BooleanBindingExpression binding, Location... dependencies) { |
35 | 447 | return new BooleanVariable(false, binding, dependencies); |
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} |
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public static BooleanVariable makeBijective(ObjectVariable<Boolean> other) { |
40 | 0 | BooleanVariable me = BooleanVariable.make(); |
41 | 0 | me.bijectiveBind(other); |
42 | 0 | return me; |
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} |
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|
45 | 1344 | protected BooleanVariable() { } |
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protected BooleanVariable(boolean value) { |
48 | 15 | this(); |
49 | 15 | $value = value; |
50 | 15 | setValid(); |
51 | 15 | } |
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protected BooleanVariable(boolean lazy, BooleanBindingExpression binding, Location... dependencies) { |
54 | 453 | this(); |
55 | 453 | bind(lazy, binding); |
56 | 453 | addDependencies(dependencies); |
57 | 453 | } |
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protected boolean replaceValue(boolean newValue) { |
60 | 1330 | boolean oldValue = $value; |
61 | 1330 | if (oldValue != newValue || !isInitialized() || !isEverValid()) { |
62 | 1012 | boolean notifyDependencies = isValid() || !isInitialized() || !isEverValid(); |
63 | 1012 | $value = newValue; |
64 | 1012 | setValid(); |
65 | 1012 | notifyListeners(oldValue, newValue, notifyDependencies); |
66 | 1012 | } |
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else |
68 | 318 | setValid(); |
69 | 1330 | return newValue; |
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} |
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|
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public boolean getAsBoolean() { |
73 | 2310 | if (isBound() && !isValid()) |
74 | 541 | update(); |
75 | 2310 | return $value; |
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} |
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|
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protected BooleanBindingExpression makeBindingExpression(final BooleanLocation otherLocation) { |
79 | 15 | return new BooleanBindingExpression() { |
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public boolean computeValue() { |
81 | 34 | return otherLocation.getAsBoolean(); |
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} |
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}; |
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} |
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|
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public boolean setAsBoolean(boolean value) { |
87 | 294 | if (isBound() && $value != value) |
88 | 2 | throw new AssignToBoundException("Cannot assign to bound variable"); |
89 | 292 | return replaceValue(value); |
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} |
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|
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public boolean setAsBooleanFromLiteral(final boolean value) { |
93 | 11 | deferredLiteral = new DeferredInitializer() { |
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public void apply() { |
95 | 11 | setAsBoolean(value); |
96 | 11 | } |
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}; |
98 | 11 | return value; |
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} |
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public void setDefault() { |
102 | 0 | setAsBoolean(DEFAULT); |
103 | 0 | } |
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|
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public Boolean set(Boolean value) { |
106 | 8 | if (value == null) { |
107 | 0 | ErrorHandler.nullToPrimitiveCoercion("Boolean"); |
108 | 0 | setDefault(); |
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} |
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else |
111 | 8 | setAsBoolean(value); |
112 | 7 | return value; |
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} |
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|
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@Override |
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public void update() { |
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try { |
118 | 1587 | if (isBound() && !isValid()) |
119 | 1038 | replaceValue(binding.computeValue()); |
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} |
121 | 0 | catch (RuntimeException e) { |
122 | 0 | ErrorHandler.bindException(e); |
123 | 0 | if (isInitialized()) |
124 | 0 | replaceValue(DEFAULT); |
125 | 1587 | } |
126 | 1587 | } |
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|
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public Boolean get() { |
129 | 999 | return getAsBoolean(); |
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} |
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public boolean isNull() { |
133 | 0 | return false; |
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} |
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public void addChangeListener(BooleanChangeListener listener) { |
137 | 67 | if (replaceListeners == null) |
138 | 67 | replaceListeners = new ArrayList<BooleanChangeListener>(); |
139 | 67 | replaceListeners.add(listener); |
140 | 67 | } |
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public void addChangeListener(final ObjectChangeListener<Boolean> listener) { |
143 | 1 | addChangeListener(new BooleanChangeListener() { |
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public void onChange(boolean oldValue, boolean newValue) { |
145 | 0 | listener.onChange(oldValue, newValue); |
146 | 0 | } |
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}); |
148 | 1 | } |
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private void notifyListeners(boolean oldValue, boolean newValue, boolean notifyDependencies) { |
151 | 1012 | if (notifyDependencies) |
152 | 720 | invalidateDependencies(); |
153 | 1012 | if (replaceListeners != null) { |
154 | 81 | for (BooleanChangeListener listener : replaceListeners) |
155 | 81 | listener.onChange(oldValue, newValue); |
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} |
157 | 1012 | } |
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|
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} |