Package org.zkoss.zk.ui.util
Class ConditionImpl
- java.lang.Object
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- org.zkoss.zk.ui.util.ConditionImpl
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- All Implemented Interfaces:
java.io.Serializable
public class ConditionImpl extends java.lang.Object implements java.io.Serializable
- Author:
- tomyeh
- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description ConditionImpl(java.lang.String ifc, java.lang.String unless)
Construct.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description ExValue
getIf()
Returns If expression.static ConditionImpl
getInstance(java.lang.String ifc, java.lang.String unless)
Returns an instance of Condition, or null if both ifc and unless are empty.ExValue
getUnless()
Returns Unless expression.boolean
isEffective(Evaluator eval, Component comp)
Used to evaluate whether it is effective.boolean
isEffective(Evaluator eval, Page page)
Used to evaluate whether it is effective.boolean
isIf()
Returns whether it's If condition.boolean
isUnless()
Returns whether it's Unless condition.void
setIf(java.lang.String cond)
Sets the if condition.void
setUnless(java.lang.String cond)
Sets the unless condition.
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Constructor Detail
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ConditionImpl
public ConditionImpl(java.lang.String ifc, java.lang.String unless)
Construct. In most cases, usegetInstance(java.lang.String, java.lang.String)
instead of this constructor.
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Method Detail
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getInstance
public static ConditionImpl getInstance(java.lang.String ifc, java.lang.String unless)
Returns an instance of Condition, or null if both ifc and unless are empty. In other words, it is useful if you use null or empty to denote true.
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setIf
public void setIf(java.lang.String cond)
Sets the if condition.- Parameters:
cond
- the condition. Note: If null (not specified), it is considered effective.- See Also:
isEffective(org.zkoss.zk.xel.Evaluator, org.zkoss.zk.ui.Component)
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setUnless
public void setUnless(java.lang.String cond)
Sets the unless condition.- Parameters:
cond
- the condition. Note: If null (not specified), it is considered ineffective.- See Also:
isEffective(org.zkoss.zk.xel.Evaluator, org.zkoss.zk.ui.Component)
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isEffective
public boolean isEffective(Evaluator eval, Component comp)
Used to evaluate whether it is effective.- Parameters:
eval
- the evaluator to evaluate this conditioncomp
- used as the self variable. Ignored if null.- Since:
- 3.0.0
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isEffective
public boolean isEffective(Evaluator eval, Page page)
Used to evaluate whether it is effective.- Parameters:
eval
- the evaluator to evaluate this conditionpage
- used as the self variable. Ignored if null.- Since:
- 3.0.0
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isIf
public boolean isIf()
Returns whether it's If condition.- Since:
- 10.0.0
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getIf
public ExValue getIf()
Returns If expression.- Since:
- 10.0.0
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getUnless
public ExValue getUnless()
Returns Unless expression.- Since:
- 10.0.0
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isUnless
public boolean isUnless()
Returns whether it's Unless condition.- Since:
- 10.0.0
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