/*
* Select.java
*
* Version: $Revision: 3705 $
*
* Date: $Date: 2009-04-11 17:02:24 +0000 (Sat, 11 Apr 2009) $
*
* Copyright (c) 2002, Hewlett-Packard Company and Massachusetts
* Institute of Technology. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Hewlett-Packard Company nor the name of the
* Massachusetts Institute of Technology nor the names of their
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*/
package org.dspace.app.xmlui.wing.element;
/**
*
* A class representing a select input control. The select input control allows
* the user to select from a list of available options.
*
* @author Scott Phillips
*/
import org.dspace.app.xmlui.wing.Message;
import org.dspace.app.xmlui.wing.WingContext;
import org.dspace.app.xmlui.wing.WingException;
public class Select extends Field
{
/**
* Construct a new field.
*
* @param context
* (Required) The context this element is contained in, such as
* where to route SAX events and what i18n catalogue to use.
*
* @param name
* (Required) a non-unique local identifier used to differentiate
* the element from its siblings within an interactive division.
* This is the name of the field use when data is submitted back
* to the server.
* @param rend
* (May be null) a rendering hint used to override the default
* display of the element.
*/
protected Select(WingContext context, String name, String rend)
throws WingException
{
super(context, name, Field.TYPE_SELECT, rend);
this.params = new Params(context);
}
/**
* Enable the user to select multiple options.
*
*/
public void setMultiple()
{
this.params.setMultiple(true);
}
/**
* Set whether the user is able to select multiple options.
*
* @param multiple
* (Required) The multiple state.
*/
public void setMultiple(boolean multiple)
{
this.params.setMultiple(multiple);
}
/**
* Set the number of options visible at any one time.
*
* @param size
* (Required) The number of options to display.
*/
public void setSize(int size)
{
this.params.setSize(size);
}
/**
* Enable the add operation for this field. When this is enabled the
* front end will add a button to add more items to the field.
*
*/
public void enableAddOperation() throws WingException
{
this.params.enableAddOperation();
}
/**
* Enable the delete operation for this field. When this is enabled then
* the front end will provide a way for the user to select fields (probably
* checkboxes) along with a submit button to delete the selected fields.
*
*/
public void enableDeleteOperation()throws WingException
{
this.params.enableDeleteOperation();
}
/**
* Add a select option.
*
* @param returnValue
* (Required) The value to be passed back if this option is
* selected.
*/
public Option addOption(String returnValue)
throws WingException
{
Option option = new Option(context, returnValue);
options.add(option);
return option;
}
/**
* Add a select option.
*
* @param selected
* (Required) Set the field as selected.
* @param returnValue
* (Required) The value to be passed back if this option is
* selected.
*/
public Option addOption(boolean selected, String returnValue)
throws WingException
{
if (selected)
setOptionSelected(returnValue);
return addOption(returnValue);
}
/**
* Add a select option.
*
* @param returnValue
* (Required) The value to be passed back if this option is
* selected.
* @param characters
* (Required) The text to set as the visible option.
*/
public void addOption(String returnValue, String characters) throws WingException
{
Option option = this.addOption(returnValue);
option.addContent(characters);
}
/**
* Add a select option.
*
* @param selected
* (Required) Set the field as selected.
* @param returnValue
* (Required) The value to be passed back if this option is
* selected.
* @param characters
* (Required) The text to set as the visible option.
*/
public void addOption(boolean selected,String returnValue, String characters) throws WingException
{
if (selected)
setOptionSelected(returnValue);
addOption(returnValue,characters);
}
/**
* Add a select option.
*
* @param returnValue
* (Required) The value to be passed back if this option is
* selected.
* @param characters
* (Required) The text to set as the visible option.
*/
public void addOption(int returnValue, String characters) throws WingException
{
Option option = this.addOption(String.valueOf(returnValue));
option.addContent(characters);
}
/**
* Add a select option.
*
* @param selected
* (Required) Set the field as selected.
* @param returnValue
* (Required) The value to be passed back if this option is
* selected.
* @param characters
* (Required) The text to set as the visible option.
*/
public void addOption(boolean selected, int returnValue, String characters) throws WingException
{
if (selected)
setOptionSelected(returnValue);
addOption(returnValue,characters);
}
/**
* Add a select option.
*
* @param returnValue
* (Required) The value to be passed back if this option is
* selected.
* @param message
* (Required) The transalted text to set as the visible option.
*/
public void addOption(String returnValue, Message message) throws WingException
{
Option option = this.addOption(returnValue);
option.addContent(message);
}
/**
* Add a select option.
*
* @param selected
* (Required) Set the field as selected.
* @param returnValue
* (Required) The value to be passed back if this option is
* selected.
* @param message
* (Required) The transalted text to set as the visible option.
*/
public void addOption(boolean selected, String returnValue, Message message) throws WingException
{
if (selected)
setOptionSelected(returnValue);
addOption(returnValue,message);
}
/**
* Add a select option.
*
* @param returnValue
* (Required) The value to be passed back if this option is
* selected.
* @param message
* (Required) The transalted text to set as the visible option.
*/
public void addOption(int returnValue, Message message) throws WingException
{
Option option = this.addOption(String.valueOf(returnValue));
option.addContent(message);
}
/**
* Add a select option.
*
* @param selected
* (Required) Set the field as selected.
* @param returnValue
* (Required) The value to be passed back if this option is
* selected.
* @param message
* (Required) The transalted text to set as the visible option.
*/
public void addOption(boolean selected, int returnValue, Message message) throws WingException
{
if (selected)
setOptionSelected(returnValue);
addOption(returnValue,message);
}
/**
* Set the given option as selected.
*
* @param returnValue
* (Required) The return value of the option to be selected.
*/
public void setOptionSelected(String returnValue) throws WingException
{
Value value = new Value(context,Value.TYPE_OPTION,returnValue);
values.add(value);
}
/**
* Set the given option as selected.
*
* @param returnValue
* (Required) The return value of the option to be selected.
*/
public void setOptionSelected(int returnValue) throws WingException
{
Value value = new Value(context,Value.TYPE_OPTION,String.valueOf(returnValue));
values.add(value);
}
/**
* Add a field instance
* @return instance
*/
public Instance addInstance() throws WingException
{
Instance instance = new Instance(context);
instances.add(instance);
return instance;
}
}