de.must.markup

Class DataComboBox

java.lang.Object

de.must.markup.MustInputField

de.must.markup.HalfDataComboBox

de.must.markup.DataComboBox

All Implemented Interfaces:

Markupable, Storable, ValueFetcher, Exemptible

public class DataComboBox
extends HalfDataComboBox
implements Storable

A database connected combo box. By assigning a key column name, entries are selected automaticly and key values are modified, if a different user user selection occurred.

Field Summary

Fields

Modifier and Type	Field and Description
protected java.lang.String	editBeginSelected
protected Identifier	editBeginValue

Fields inherited from class de.must.markup.HalfDataComboBox

additionalTagFragments, contentDataObject, enabled, identifierTable, label, required, selected, visibleColumnName, whereCondition

Fields inherited from class de.must.markup.MustInputField

comment, focus, name, placeholder, toolTipText

Constructor Summary

Constructors

Constructor and Description
DataComboBox(SessionData sessionData, DataObject assignedDataObject, java.lang.String name, DataObject contentDataObject, java.lang.String visibleColumnName) Creates a database connected and dynamically data filled combo box.
DataComboBox(SessionData sessionData, DataObject assignedDataObject, java.lang.String name, DataObject contentDataObject, java.lang.String visibleColumnName, java.lang.String label, java.lang.String orderByColumnName, java.lang.String nameForNoChoice) Creates a database connected and dynamically data filled combo box.

Method Summary

Modifier and Type	Method and Description
boolean	isModified() Indicates whether the component's value differs from its initial value.
void	loadValue() Loads the component's database stored value.
void	saveValue() Stores the component's value.

Methods inherited from class de.must.markup.HalfDataComboBox

addItem, dataChangePerformed, destroy, fetchYourValueFromRequest, finalize, free, getCreationTag, getLabel, getSelectedIdentifier, getSelectedItem, isFilled, isRequirementUnfulfilled, isSpecialChoice, isValid, reduceContent, setAdditionalTagFragments, setDefaultAdditionalTagFragments, setEnabled, setRequired, setSelected, setSelectedIdentifier

Methods inherited from class de.must.markup.MustInputField

getName, setComment, setFocus, setPlaceHolder, setToolTipText, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.must.markup.Storable

isFilled, isRequirementUnfulfilled, isValid, setRequired

Methods inherited from interface de.must.markup.Markupable

destroy, getCreationTag, setComment, setToolTipText

Field Detail

editBeginValue

protected Identifier editBeginValue

editBeginSelected

protected java.lang.String editBeginSelected

Constructor Detail

DataComboBox

public DataComboBox(SessionData sessionData,
                    DataObject assignedDataObject,
                    java.lang.String name,
                    DataObject contentDataObject,
                    java.lang.String visibleColumnName)

Creates a database connected and dynamically data filled combo box.

Parameters:

sessionData - the session's public data

assignedDataObject - the data object to trigger the selection

name - the name of the combo box

contentDataObject - the data object to fill the content

visibleColumnName - the name of the column to be displayed

DataComboBox

public DataComboBox(SessionData sessionData,
                    DataObject assignedDataObject,
                    java.lang.String name,
                    DataObject contentDataObject,
                    java.lang.String visibleColumnName,
                    java.lang.String label,
                    java.lang.String orderByColumnName,
                    java.lang.String nameForNoChoice)

Creates a database connected and dynamically data filled combo box.

Parameters:

sessionData - the session's public data

assignedDataObject - the data object to trigger the selection

name - the name of the combo box

contentDataObject - the data object to fill the content

visibleColumnName - the name of the column to be displayed

label - the label of the combo box

orderByColumnName - the sorting column name of the content data object

nameForNoChoice - the expression to be used to indicate "no choice"

Method Detail

loadValue

public void loadValue()

Loads the component's database stored value.

Specified by:

loadValue in interface Storable

isModified

public boolean isModified()

Indicates whether the component's value differs from its initial value.

Specified by:

isModified in interface Storable

Returns:

true if the component's value differs from its initial value

saveValue

public void saveValue()

Stores the component's value.

Specified by:

saveValue in interface Storable