com.silverpeas.form.displayers
Class SequenceFieldDisplayer

java.lang.Object
  com.silverpeas.form.displayers.AbstractFieldDisplayer<SequenceField>
      com.silverpeas.form.displayers.SequenceFieldDisplayer

All Implemented Interfaces:

FieldDisplayer<SequenceField>

public class SequenceFieldDisplayer
extends AbstractFieldDisplayer<SequenceField>

A SequenceFieldDisplayer is an object which can display a value corresponding to the setting of a sequence. A such value is only readable to guaranty validity of each value belonging to the sequence (unicity for instance).

See Also:

Field, FieldTemplate, Form, FieldDisplayer

Constructor Summary

SequenceFieldDisplayer()

Method Summary

void	display(PrintWriter out, SequenceField field, FieldTemplate template, PagesContext pagesContext) Prints the HTML value of the field.
void	displayScripts(PrintWriter out, FieldTemplate template, PagesContext pagesContext) Since the field is always in readonly state, no javascripts are needed to control the value given to the field.
int	getNbHtmlObjectsDisplayed(FieldTemplate template, PagesContext pagesContext) Returns the number of returned html objects.
boolean	isDisplayedMandatory() Returns true if the field can be set as mandatory.
List<String>	update(String value, SequenceField field, FieldTemplate template, PagesContext pagesContext) Updates the value of the field.

Methods inherited from class com.silverpeas.form.displayers.AbstractFieldDisplayer

index, update

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SequenceFieldDisplayer

public SequenceFieldDisplayer()

Method Detail

display

public void display(PrintWriter out,
                    SequenceField field,
                    FieldTemplate template,
                    PagesContext pagesContext)
             throws FormException

Prints the HTML value of the field. The displayed value must be readable for the end user. The value format follows the field's setting. The field's name is used to name the html form input.

Throws:

FormException

displayScripts

public void displayScripts(PrintWriter out,
                           FieldTemplate template,
                           PagesContext pagesContext)
                    throws IOException

Since the field is always in readonly state, no javascripts are needed to control the value given to the field.

Throws:

IOException

getNbHtmlObjectsDisplayed

public int getNbHtmlObjectsDisplayed(FieldTemplate template,
                                     PagesContext pagesContext)

Returns the number of returned html objects.

Returns:

the number of HTML Objects displayed by the displayer.

isDisplayedMandatory

public boolean isDisplayedMandatory()

Returns true if the field can be set as mandatory.

update

public List<String> update(String value,
                           SequenceField field,
                           FieldTemplate template,
                           PagesContext pagesContext)
                    throws FormException

Updates the value of the field. The field's name is used to retrieve the HTTP parameter from the request.

Returns:

Throws:

FormException