com.klg.jclass.field.db.datasource
Class DataBinding

java.lang.Object
  |
  +--com.klg.jclass.datasource.util.DataBinding
        |
        +--com.klg.jclass.datasource.util.ColumnDataBinding
              |
              +--com.klg.jclass.datasource.util.FieldDataBinding
                    |
                    +--com.klg.jclass.field.db.datasource.DataBinding

All Implemented Interfaces:

DataModelListener, EventListener, ReadOnlyBindingListener, Serializable

public class DataBinding

extends FieldDataBinding

The DataBinding class.

See Also:

Serialized Form

Field Summary

protected boolean	dataSourceUpdating
protected com.klg.jclass.field.JCFieldComponent	fieldComponent

Fields inherited from class com.klg.jclass.datasource.util.ColumnDataBinding

column_name, column_type

Fields inherited from class com.klg.jclass.datasource.util.DataBinding

binding, component, dataBinding, PATH_DELIMITER, SOURCE_DELIMITER

Constructor Summary

DataBinding(com.klg.jclass.field.JCFieldComponent c, com.klg.jclass.util.value.JCValueModel model)
Constructs a data binding object.

Method Summary

protected String	convertMetaColumnTypeToClassName(int meta_column_type) Converts a Meta column Type to a Class name.
com.klg.jclass.datasource.ColumnModel	getColumnModel() Retrieves the column model.
Class	getValueClass() Retrieves the value class for the column.
String	getValueClassName() Retrieves the value class name.
boolean	isCurrency() Tests to see if the column stores currency values.
boolean	isDataSourceUpdating() Tests to see if the data source is updating.
protected void	refreshCell(Object item) Implementation of an abstract superclass method that updates the component's data contents when the current row changes or the record is modified.
protected boolean	saveCell() Implementation of an abstract superclasses method that saves the component's data to the datasource.
void	setDataBinding(com.klg.jclass.datasource.BindingModel binding, String column_name) Binds using a Binding
void	setDataBinding(com.klg.jclass.datasource.DataModel data_model, com.klg.jclass.datasource.MetaDataModel meta_data_model, String column_name) Sets up parameters to bind the JCDataSource to a MetaDataModel in the given DataModel.

Methods inherited from class com.klg.jclass.datasource.util.FieldDataBinding

beforeCurrentRowChange, cellDataChanged, convertAndSaveItem, currentRowChanged, readCurrentCell, rowDataChanged, rowDeleted, rowInserted, saveItem, setDataAvailable, setDataAvailableState, tableChanged, toggleDataAvailableState

Methods inherited from class com.klg.jclass.datasource.util.ColumnDataBinding

getDataBinding, isColumnEditable, setDataBinding

Methods inherited from class com.klg.jclass.datasource.util.DataBinding

afterChangeOfRowData, afterDeleteRow, afterInsertRow, afterMoveToCurrentRow, afterRequeryRowAndDetails, afterRequeryTable, afterReset, beforeCancelAll, beforeCancelRowChanges, beforeCommitAll, beforeCommitConditional, beforeCommitRow, beforeDeleteRow, beforeDeleteTable, beforeEditCell, beforeInsertRow, beforeMoveToCurrentRow, beforeRequery, beforeReset, beginEvents, checkDataTableChanged, checkDataTableChanged, dispose, endEvents, finalize, getBinding, getComponent, getCurrentRowIndex, getJavaColumnType, getNativeMetaData, getNumColumns, getNumRows, getTableColumnLabel, handleCancellingBeforeEvents, handleCheckingAfterEvents, initialize, isColumnEditable, isDataAvailable, moveToBestRowAfterDelete, moveToRowIndex, originatorNavigateRow, processException, setDataBinding, setDataBinding, setDataBinding, setDataBindingInternalBegin, setDataBindingInternalEnd

Methods inherited from class java.lang.Object

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

Field Detail

fieldComponent

protected com.klg.jclass.field.JCFieldComponent fieldComponent

dataSourceUpdating

protected boolean dataSourceUpdating

Constructor Detail

DataBinding

public DataBinding(com.klg.jclass.field.JCFieldComponent c,
                   com.klg.jclass.util.value.JCValueModel model)

Constructs a data binding object.

Method Detail

isDataSourceUpdating

public boolean isDataSourceUpdating()

Tests to see if the data source is updating.

getColumnModel

public com.klg.jclass.datasource.ColumnModel getColumnModel()

Retrieves the column model.

isCurrency

public boolean isCurrency()

Tests to see if the column stores currency values.

getValueClass

public Class getValueClass()

Retrieves the value class for the column.

getValueClassName

public String getValueClassName()

Retrieves the value class name.

convertMetaColumnTypeToClassName

protected String convertMetaColumnTypeToClassName(int meta_column_type)

Converts a Meta column Type to a Class name.

setDataBinding

public void setDataBinding(com.klg.jclass.datasource.DataModel data_model,
                           com.klg.jclass.datasource.MetaDataModel meta_data_model,
                           String column_name)

Sets up parameters to bind the JCDataSource to a MetaDataModel in the given DataModel.

Overrides:

setDataBinding in class ColumnDataBinding

setDataBinding

public void setDataBinding(com.klg.jclass.datasource.BindingModel binding,
                           String column_name)

Binds using a Binding

Overrides:

setDataBinding in class ColumnDataBinding

Parameters:

binding - the binding level.

refreshCell

protected void refreshCell(Object item)

Implementation of an abstract superclass method that updates the component's data contents when the current row changes or the record is modified.

Specified by:

refreshCell in class FieldDataBinding

saveCell

protected boolean saveCell()

Implementation of an abstract superclasses method that saves the component's data to the datasource.

Specified by:

saveCell in class FieldDataBinding