SelectItem (Java EE 5 SDK)

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Java EE 5 SDK

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javax.faces.model Class SelectItem

java.lang.Object
  javax.faces.model.SelectItem

所有已实现的接口:: Serializable

直接已知子类:: SelectItemGroup

public class SelectItem
extends Object
implements Serializable

SelectItem represents a single item in the list of supported items associated with a UISelectMany or UISelectOne component.

另请参见:: Serialized Form

构造器摘要
`SelectItem()` Construct a `SelectItem` with no initialized property values.
`SelectItem(Object value)` Construct a `SelectItem` with the specified value.
`SelectItem(Object value, String label)` Construct a `SelectItem` with the specified value and label.
`SelectItem(Object value, String label, String description)` Construct a `SelectItem` instance with the specified value, label and description.
`SelectItem(Object value, String label, String description, boolean disabled)` Construct a `SelectItem` instance with the specified property values.
`SelectItem(Object value, String label, String description, boolean disabled, boolean escape)` Construct a `SelectItem` instance with the specified property values.

方法摘要
`String`	`getDescription()` Return a description of this item, for use in development tools.
`String`	`getLabel()` Return the label of this item, to be rendered visibly for the user.
`Object`	`getValue()` Return the value of this item, to be delivered to the model if this item is selected by the user.
`boolean`	`isDisabled()` Return the disabled flag for this item, which should modify the rendered output to make this item unavailable for selection by the user if set to `true`.
`boolean`	`isEscape()` Getter for property escape.
`void`	`setDescription(String description)` Set the description of this item, for use in development tools.
`void`	`setDisabled(boolean disabled)` Set the disabled flag for this item, which should modify the rendered output to make this item unavailable for selection by the user if set to `true`.
`void`	`setEscape(boolean escape)` Setter for property escape.
`void`	`setLabel(String label)` Set the label of this item, to be rendered visibly for the user.
`void`	`setValue(Object value)` Set the value of this item, to be delivered to the model if this item is selected by this user.

类方法继承 java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

构造器详细信息

SelectItem

public SelectItem()

Construct a SelectItem with no initialized property values.

SelectItem

public SelectItem(Object value)

Construct a SelectItem with the specified value. The label property will be set to the value (converted to a String, if necessary), the description property will be set to null, the disabled property will be set to false, and the escape property will be set to ( true.

参数:: value - Value to be delivered to the model if this item is selected by the user

SelectItem

public SelectItem(Object value,
                  String label)

Construct a SelectItem with the specified value and label. The description property will be set to null, the disabled property will be set to false, and the escape property will be set to true.

参数:: value - Value to be delivered to the model if this item is selected by the user; label - Label to be rendered for this item in the response

SelectItem

public SelectItem(Object value,
                  String label,
                  String description)

Construct a SelectItem instance with the specified value, label and description. This disabled property will be set to false, and the escape property will be set to true.

参数:: value - Value to be delivered to the model if this item is selected by the user; label - Label to be rendered for this item in the response; description - Description of this item, for use in tools

SelectItem

public SelectItem(Object value,
                  String label,
                  String description,
                  boolean disabled)

Construct a SelectItem instance with the specified property values. The escape property will be set to true.

参数:: value - Value to be delivered to the model if this item is selected by the user; label - Label to be rendered for this item in the response; description - Description of this item, for use in tools; disabled - Flag indicating that this option is disabled

SelectItem

public SelectItem(Object value,
                  String label,
                  String description,
                  boolean disabled,
                  boolean escape)

Construct a SelectItem instance with the specified property values.

参数:: value - Value to be delivered to the model if this item is selected by the user; label - Label to be rendered for this item in the response; description - Description of this item, for use in tools; disabled - Flag indicating that this option is disabled; escape - Flag indicating that the text of this option should be escaped when rendered.
从以下版本开始:: 1.2

方法详细信息

getDescription

public String getDescription()

Return a description of this item, for use in development tools.

setDescription

public void setDescription(String description)

Set the description of this item, for use in development tools.

参数:: description - The new description

isDisabled

public boolean isDisabled()

Return the disabled flag for this item, which should modify the rendered output to make this item unavailable for selection by the user if set to true.

setDisabled

public void setDisabled(boolean disabled)

Set the disabled flag for this item, which should modify the rendered output to make this item unavailable for selection by the user if set to true.