org.pentaho.di.ui.trans.step.common

Class CommonStepDialog<StepMetaType extends CommonStepMeta>

java.lang.Object

org.eclipse.swt.widgets.Dialog

org.pentaho.di.ui.trans.step.BaseStepDialog

org.pentaho.di.ui.trans.step.common.CommonStepDialog<StepMetaType>

Type Parameters:

StepMetaType -

All Implemented Interfaces:

StepDialogInterface

public abstract class CommonStepDialog<StepMetaType extends CommonStepMeta>
extends BaseStepDialog
implements StepDialogInterface

A common implementation of the BaseStepDialog that creates many of the common UI components.

Nested Class Summary

Nested classes/interfaces inherited from class org.pentaho.di.ui.trans.step.BaseStepDialog

BaseStepDialog.FieldsChoiceDialogProvider

Field Summary

Fields

Modifier and Type	Field and Description
protected static int	ELEMENT_SPACING
protected org.eclipse.swt.widgets.Label	footerSpacer
protected org.eclipse.swt.widgets.Label	headerSpacer
protected static int	LABEL_SPACING
protected org.eclipse.swt.events.ModifyListener	lsMod
protected org.eclipse.swt.custom.CTabFolder	m_wTabFolder
protected static int	MARGIN_SIZE
protected static int	MEDIUM_FIELD
protected static int	MEDIUM_SMALL_FIELD
protected StepMetaType	meta
protected static int	SHELL_WIDTH_OFFSET
protected static int	SMALL_FIELD
protected static int	VAR_ICON_HEIGHT
protected static int	VAR_ICON_WIDTH

Fields inherited from class org.pentaho.di.ui.trans.step.BaseStepDialog

backupChanged, baseStepMeta, BUTTON_ALIGNMENT_CENTER, BUTTON_ALIGNMENT_LEFT, BUTTON_ALIGNMENT_RIGHT, buttonAlignment, changed, databaseDialog, fdCancel, fdCreate, fdGet, fdlStepname, fdOK, fdPreview, fdSQL, fdStepname, log, loggingObject, lsCancel, lsCreate, lsDef, lsGet, lsOK, lsPreview, lsResize, lsSQL, metaStore, props, repository, shell, stepMeta, stepname, transMeta, variables, wCancel, wCreate, wGet, wlStepname, wOK, wPreview, wSQL, wStepname

Constructor Summary

Constructors

Constructor and Description
CommonStepDialog(org.eclipse.swt.widgets.Shell parent, Object meta, TransMeta tr, String sname)

Method Summary

Modifier and Type	Method and Description
protected abstract void	buildBody()
protected org.eclipse.swt.widgets.Button	buildCancelButton()
protected org.eclipse.swt.widgets.Button	buildGetFieldsButton(org.eclipse.swt.widgets.Composite parent, org.eclipse.swt.events.SelectionAdapter listener)
protected org.eclipse.swt.widgets.Button	buildOkButton()
protected void	buildPostFooter() Called at the bottom of buildFooter(), can be overridden to build additional "footer" elements.
protected void	buildPostHeader() Called at the bottom of buildHeader(), can be overridden to build additional "header" elements.
protected void	buildPreFooter() Called at the top of buildFooter(), can be overridden to build additional "footer" elements.
protected void	buildPreHeader() Called at the top of buildHeader(), can be overridden to build additional "header" elements.
protected org.eclipse.swt.widgets.Button	buildPreviewButton()
protected org.eclipse.swt.custom.CTabFolder	buildTabFolder()
protected void	cancel()
protected boolean	fieldsExist() To be overridden by a preview-capable dialog, returns true by default.
abstract void	getData(StepMetaType meta) Copy information from the StepMetaType meta to the dialog fields.
protected org.eclipse.swt.graphics.Image	getImage()
protected abstract StepMetaType	getPopulatedMeta() Returns a new instance of StepMetaType that is populated according to dialog selection.
protected abstract String	getTitle()
protected void	initListenersImpl() Can be overridden to initialize additional listeners.
protected void	layoutTabFolder()
protected void	ok()
String	open()
protected void	openDialog(String title, String message, int dialogType)
protected void	openFieldsErrorDialog()
protected void	openNoFieldsDialog()
protected void	openNoRowsToPreviewError()
protected void	openPreviewError()
protected abstract void	populateMeta(StepMetaType meta) Creates a new instance of StepMetaType and populates it with provided data from the dialog.
protected void	updateGetFieldsButtonStatus() Can be overridden by the implementing class, if the "Get fields" button is to be enabled only under certain conditions.
protected void	updatePreviewButtonStatus() To be overridden by a preview-capable step dialog.

Methods inherited from class org.pentaho.di.ui.trans.step.BaseStepDialog

addConnectionLine, addConnectionLine, addConnectionLine, addConnectionLine, addDatabases, addDatabases, centerButtons, createHelpButton, dispose, generateFieldMapping, getButtonAlignment, getDatabaseDialog, getFieldsFromPrevious, getFieldsFromPrevious, getFieldsFromPrevious, getFieldsFromPrevious, getFieldsFromPrevious, getMetaStore, getModifyListenerTooltipText, getPathOf, getRepository, isBasic, isDebug, isDetailed, isRowLevel, leftAlignButtons, logBasic, logBasic, logDebug, logDebug, logDetailed, logDetailed, logError, logError, logError, logMinimal, logMinimal, logRowlevel, logRowlevel, positionBottomButtons, positionBottomButtons, positionBottomRightButtons, rightAlignButtons, selectDatabase, setButtonPositions, setMetaStore, setMinimalShellHeight, setRepository, setShellImage, setSize, setSize, setSize, setSize, setTraverseOrder, storeScreenSize, toString

Methods inherited from class org.eclipse.swt.widgets.Dialog

checkSubclass, getParent, getStyle, getText, setText

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.pentaho.di.trans.step.StepDialogInterface

setMetaStore, setRepository

Field Detail

MARGIN_SIZE

protected static final int MARGIN_SIZE

See Also:

Constant Field Values

LABEL_SPACING

protected static final int LABEL_SPACING

See Also:

Constant Field Values

ELEMENT_SPACING

protected static final int ELEMENT_SPACING

See Also:

Constant Field Values

MEDIUM_FIELD

protected static final int MEDIUM_FIELD

See Also:

Constant Field Values

MEDIUM_SMALL_FIELD

protected static final int MEDIUM_SMALL_FIELD

See Also:

Constant Field Values

SMALL_FIELD

protected static final int SMALL_FIELD

See Also:

Constant Field Values

SHELL_WIDTH_OFFSET

protected static final int SHELL_WIDTH_OFFSET

See Also:

Constant Field Values

VAR_ICON_WIDTH

protected static final int VAR_ICON_WIDTH

VAR_ICON_HEIGHT

protected static final int VAR_ICON_HEIGHT

meta

protected final StepMetaType extends CommonStepMeta meta

footerSpacer

protected org.eclipse.swt.widgets.Label footerSpacer

headerSpacer

protected org.eclipse.swt.widgets.Label headerSpacer

lsMod

protected org.eclipse.swt.events.ModifyListener lsMod

m_wTabFolder

protected org.eclipse.swt.custom.CTabFolder m_wTabFolder

Constructor Detail

CommonStepDialog

public CommonStepDialog(org.eclipse.swt.widgets.Shell parent,
                        Object meta,
                        TransMeta tr,
                        String sname)

Method Detail

initListenersImpl

protected void initListenersImpl()

Can be overridden to initialize additional listeners.

open

public String open()

Specified by:

open in interface StepDialogInterface

buildPreHeader

protected void buildPreHeader()

Called at the top of buildHeader(), can be overridden to build additional "header" elements.

buildPostHeader

protected void buildPostHeader()

Called at the bottom of buildHeader(), can be overridden to build additional "header" elements.

buildBody

protected abstract void buildBody()

buildPreFooter

protected void buildPreFooter()

Called at the top of buildFooter(), can be overridden to build additional "footer" elements.

buildPostFooter

protected void buildPostFooter()

Called at the bottom of buildFooter(), can be overridden to build additional "footer" elements.

buildPreviewButton

protected org.eclipse.swt.widgets.Button buildPreviewButton()

buildGetFieldsButton

protected org.eclipse.swt.widgets.Button buildGetFieldsButton(org.eclipse.swt.widgets.Composite parent,
                                                              org.eclipse.swt.events.SelectionAdapter listener)

buildCancelButton

protected org.eclipse.swt.widgets.Button buildCancelButton()

buildOkButton

protected org.eclipse.swt.widgets.Button buildOkButton()

fieldsExist

protected boolean fieldsExist()

To be overridden by a preview-capable dialog, returns true by default.

Returns:

true by default

updatePreviewButtonStatus

protected void updatePreviewButtonStatus()

To be overridden by a preview-capable step dialog.

updateGetFieldsButtonStatus

protected void updateGetFieldsButtonStatus()

Can be overridden by the implementing class, if the "Get fields" button is to be enabled only under certain conditions.

ok

protected void ok()

cancel

protected void cancel()

getImage

protected org.eclipse.swt.graphics.Image getImage()

getPopulatedMeta

protected abstract StepMetaType getPopulatedMeta()

Returns a new instance of StepMetaType that is populated according to dialog selection.

Returns:

a new instance of StepMetaType that is populated according to dialog selection

populateMeta

protected abstract void populateMeta(StepMetaType meta)

Creates a new instance of StepMetaType and populates it with provided data from the dialog.

Parameters:

meta - a new instance of StepMetaType

getTitle

protected abstract String getTitle()

getData

public abstract void getData(StepMetaType meta)

Copy information from the StepMetaType meta to the dialog fields.

buildTabFolder

protected org.eclipse.swt.custom.CTabFolder buildTabFolder()

layoutTabFolder

protected void layoutTabFolder()

openDialog

protected void openDialog(String title,
                          String message,
                          int dialogType)

openPreviewError

protected void openPreviewError()

openNoRowsToPreviewError

protected void openNoRowsToPreviewError()

openNoFieldsDialog

protected void openNoFieldsDialog()

openFieldsErrorDialog

protected void openFieldsErrorDialog()