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package javax.faces.model;
import java.io.Serializable;
import javax.faces.component.UISelectMany;
import javax.faces.component.UISelectOne;
/**
* SelectItem represents a single
* item in the list of supported items associated with
* a {@link UISelectMany} or {@link UISelectOne} component.
*/
public class SelectItem implements Serializable {
private static final long serialVersionUID = 876782311414654999L;
// ------------------------------------------------------------ Constructors
/**
* Construct a SelectItem with no initialized property
* values.
*/
public SelectItem() {
super();
}
/**
* 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.
*
* @param value Value to be delivered to the model if this
* item is selected by the user
*/
public SelectItem(Object value) {
this(value, value == null ? null : value.toString(), null, false, true, false);
}
/**
* 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.
*
* @param value Value to be delivered to the model if this
* item is selected by the user
* @param label Label to be rendered for this item in the response
*/
public SelectItem(Object value, String label) {
this(value, label, null, false, true, false);
}
/**
* 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.
*
* @param value Value to be delivered to the model if this
* item is selected by the user
* @param label Label to be rendered for this item in the response
* @param description Description of this item, for use in tools
*/
public SelectItem(Object value, String label, String description) {
this(value, label, description, false, true, false);
}
/**
* Construct a SelectItem instance with the specified
* property values. The escape property will be set
* to true.
*
* @param value Value to be delivered to the model if this
* item is selected by the user
* @param label Label to be rendered for this item in the response
* @param description Description of this item, for use in tools
* @param disabled Flag indicating that this option is disabled
*/
public SelectItem(Object value, String label, String description,
boolean disabled) {
this(value, label, description, disabled, true, false);
}
/**
* Construct a SelectItem instance with the specified
* property values.
*
* @param value Value to be delivered to the model if this
* item is selected by the user
* @param label Label to be rendered for this item in the response
* @param description Description of this item, for use in tools
* @param disabled Flag indicating that this option is disabled
* @param escape Flag indicating that the text of this option should be
* escaped when rendered.
* @since 1.2
*/
public SelectItem(Object value, String label, String description,
boolean disabled, boolean escape) {
this(value, label, description, disabled, escape, false);
}
/**
* Construct a SelectItem instance with the specified
* property values.
*
* @param value Value to be delivered to the model if this
* item is selected by the user
* @param label Label to be rendered for this item in the response
* @param description Description of this item, for use in tools
* @param disabled Flag indicating that this option is disabled
* @param escape Flag indicating that the text of this option should be
* escaped when rendered.
* @param noSelectionOption Flag indicating that the current option is a "no selection" option
* @since 1.2
*/
public SelectItem(Object value, String label, String description,
boolean disabled, boolean escape, boolean noSelectionOption) {
super();
setValue(value);
setLabel(label);
setDescription(description);
setDisabled(disabled);
setEscape(escape);
setNoSelectionOption(noSelectionOption);
}
// ------------------------------------------------------ Instance Variables
private String description = null;
private boolean disabled = false;
private String label = null;
@SuppressWarnings({"NonSerializableFieldInSerializableClass"})
private Object value = null;
// -------------------------------------------------------------- Properties
/**
* Return a description of this item, for use in development tools.
*
* @return a description of this item, for use in development tools
*/
public String getDescription() {
return (this.description);
}
/**
*
Set the description of this item, for use in development tools.
*
* @param description The new description
*/
public void setDescription(String description) {
this.description = description;
}
/**
* 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.
*
* @return the disabled flag for this item
*/
public boolean isDisabled() {
return (this.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.
*
* @param disabled The new disabled flag
*/
public void setDisabled(boolean disabled) {
this.disabled = disabled;
}
/**
* Return the label of this item, to be rendered visibly for the user.
*
* @return the label of this item
*/
public String getLabel() {
return (this.label);
}
/**
*
Set the label of this item, to be rendered visibly for the user.
*
* @param label The new label
*/
public void setLabel(String label) {
this.label = label;
}
/**
*
Return the value of this item, to be delivered to the model
* if this item is selected by the user.
*
* @return the value of this item
*/
public Object getValue() {
return (this.value);
}
/**
*
Set the value of this item, to be delivered to the model
* if this item is selected by this user.
*
* @param value The new value
*
*/
public void setValue(Object value) {
this.value = value;
}
private boolean escape;
/**
*
If and only if this returns
* true, the code that renders this select item must
* escape the label using escaping syntax appropriate to the content
* type being rendered.
*
* @return the escape value.
* @since 2.0
*/
public boolean isEscape() {
return this.escape;
}
/**
* Set the value of the escape
* property. See {@link #isEscape}.
*
* @param escape the new value of the escape property
*
* @since 2.0
*/
public void setEscape(boolean escape) {
this.escape = escape;
}
private boolean noSelectionOption = false;
/** Return the value of the
* noSelectionOption property. If the value of this
* property is true, the system interprets the option
* represented by this SelectItem instance as
* representing a "no selection" option. See {@link
* UISelectOne#validateValue} and {@link UISelectMany#validateValue}
* for usage.
*
* @return the value of the noSelectionOption property
*
* @since 2.0
*/
public boolean isNoSelectionOption() {
return noSelectionOption;
}
/**
* Set the value of the
* noSelectionOption property.
*
* @param noSelectionOption the new value of the {@code noSelectionOption} property
*
* @since 2.0
*/
public void setNoSelectionOption(boolean noSelectionOption) {
this.noSelectionOption = noSelectionOption;
}
}