com.silverpeas.form.displayers
Class ImageFieldDisplayer

java.lang.Object
  com.silverpeas.form.displayers.AbstractFieldDisplayer<FileField>
      com.silverpeas.form.displayers.AbstractFileFieldDisplayer
          com.silverpeas.form.displayers.ImageFieldDisplayer

All Implemented Interfaces:

FieldDisplayer<FileField>

public class ImageFieldDisplayer
extends AbstractFileFieldDisplayer

A ImageFieldDisplayer is an object which can display an image in HTML and can retrieve via HTTP any file.

See Also:

Field, FieldTemplate, Form, FieldDisplayer

Nested Class Summary

Nested classes/interfaces inherited from class com.silverpeas.form.displayers.AbstractFileFieldDisplayer

AbstractFileFieldDisplayer.Operation

Field Summary

Fields inherited from class com.silverpeas.form.displayers.AbstractFileFieldDisplayer

OPERATION_KEY

Constructor Summary

ImageFieldDisplayer()

Method Summary

void	display(PrintWriter out, FileField field, FieldTemplate template, PagesContext pageContext) Prints the HTML value of the field.
int	getNbHtmlObjectsDisplayed(FieldTemplate template, PagesContext pagesContext) Method declaration

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

checkFieldType, createSimpleDocument, deleteAttachment, displayScripts, getManagedTypes, isDeletion, isDisplayedMandatory, isUpdate, processInput, processUploadedFile, update, update

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

index

Methods inherited from class java.lang.Object

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

Constructor Detail

ImageFieldDisplayer

public ImageFieldDisplayer()

Method Detail

display

public void display(PrintWriter out,
                    FileField field,
                    FieldTemplate template,
                    PagesContext pageContext)
             throws FormException

Prints the HTML value of the field. The displayed value must be updatable by the end user. The value format may be adapted to a local language. The fieldName must be used to name the html form input. Never throws an Exception but log a silvertrace and writes an empty string when :

• the field type is not a managed type.

Parameters:

out -

field -

template -

pageContext -

Throws:

FormException

getNbHtmlObjectsDisplayed

public int getNbHtmlObjectsDisplayed(FieldTemplate template,
                                     PagesContext pagesContext)

Method declaration

Returns: