info.magnolia.ui.mediaeditor.field.image
Class ImageMediaField

java.lang.Object
  com.vaadin.server.AbstractClientConnector
      com.vaadin.ui.AbstractComponent
          com.vaadin.ui.AbstractField<T>
              com.vaadin.ui.CustomField<byte[]>
                  info.magnolia.ui.mediaeditor.field.image.ImageMediaField

All Implemented Interfaces:

com.vaadin.data.Buffered, com.vaadin.data.BufferedValidatable, com.vaadin.data.Property<byte[]>, com.vaadin.data.Property.Editor, com.vaadin.data.Property.ReadOnlyStatusChangeListener, com.vaadin.data.Property.ReadOnlyStatusChangeNotifier, com.vaadin.data.Property.ValueChangeListener, com.vaadin.data.Property.ValueChangeNotifier, com.vaadin.data.Property.Viewer, com.vaadin.data.Validatable, com.vaadin.event.Action.ShortcutNotifier, com.vaadin.event.MethodEventSource, com.vaadin.server.ClientConnector, com.vaadin.server.Sizeable, com.vaadin.shared.Connector, com.vaadin.ui.Component, com.vaadin.ui.Component.Focusable, com.vaadin.ui.Field<byte[]>, com.vaadin.ui.HasComponents, Scalable, MediaField, Serializable, Iterable<com.vaadin.ui.Component>

Direct Known Subclasses:

CropField, ViewImageField

public abstract class ImageMediaField
extends com.vaadin.ui.CustomField<byte[]>
implements MediaField, Scalable

Base class for image-editing fields.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class com.vaadin.ui.AbstractField

com.vaadin.ui.AbstractField.FocusShortcut, com.vaadin.ui.AbstractField.ReadOnlyStatusChangeEvent

Nested classes/interfaces inherited from interface com.vaadin.ui.Field

com.vaadin.ui.Field.ValueChangeEvent

Nested classes/interfaces inherited from interface com.vaadin.data.Buffered

com.vaadin.data.Buffered.SourceException

Nested classes/interfaces inherited from interface com.vaadin.data.Property

com.vaadin.data.Property.Editor, com.vaadin.data.Property.ReadOnlyException, com.vaadin.data.Property.ReadOnlyStatusChangeEvent, com.vaadin.data.Property.ReadOnlyStatusChangeListener, com.vaadin.data.Property.ReadOnlyStatusChangeNotifier, com.vaadin.data.Property.Transactional<T>, com.vaadin.data.Property.ValueChangeListener, com.vaadin.data.Property.ValueChangeNotifier, com.vaadin.data.Property.Viewer

Nested classes/interfaces inherited from interface com.vaadin.ui.Component

com.vaadin.ui.Component.ErrorEvent, com.vaadin.ui.Component.Event, com.vaadin.ui.Component.Focusable, com.vaadin.ui.Component.Listener

Nested classes/interfaces inherited from interface com.vaadin.server.ClientConnector

com.vaadin.server.ClientConnector.AttachEvent, com.vaadin.server.ClientConnector.AttachListener, com.vaadin.server.ClientConnector.ConnectorErrorEvent, com.vaadin.server.ClientConnector.DetachEvent, com.vaadin.server.ClientConnector.DetachListener

Nested classes/interfaces inherited from interface com.vaadin.server.Sizeable

com.vaadin.server.Sizeable.Unit

Nested classes/interfaces inherited from interface com.vaadin.ui.HasComponents

com.vaadin.ui.HasComponents.ComponentAttachDetachNotifier, com.vaadin.ui.HasComponents.ComponentAttachEvent, com.vaadin.ui.HasComponents.ComponentAttachListener, com.vaadin.ui.HasComponents.ComponentDetachEvent, com.vaadin.ui.HasComponents.ComponentDetachListener

Field Summary

protected static String	DEFAULT_FORMAT
protected org.apache.log4j.Logger	log
protected static String	TEMP_FILE_NAME_BASE

Fields inherited from interface com.vaadin.server.Sizeable

SIZE_UNDEFINED, UNITS_CM, UNITS_EM, UNITS_EX, UNITS_INCH, UNITS_MM, UNITS_PERCENTAGE, UNITS_PICAS, UNITS_PIXELS, UNITS_POINTS

Constructor Summary

ImageMediaField()

Method Summary

void	applyChanges()
protected abstract com.vaadin.ui.Component	createImage()
protected com.vaadin.server.StreamResource	createResourceFromValue()
protected InputStream	createStreamSource(BufferedImage img, String formatName)
void	execute()
protected BufferedImage	executeImageModification()
protected String	generateTempFileName()
Class<byte[]>	getType()
protected com.vaadin.ui.Component	initContent()
abstract void	refreshImageSource()
void	revertChanges()
void	scaleToActualSize()
void	scaleToFit()
protected void	setInternalValue(byte[] newValue)

Methods inherited from class com.vaadin.ui.CustomField

attach, getContent, iterator, setHeight, setWidth

Methods inherited from class com.vaadin.ui.AbstractField

addListener, addListener, addReadOnlyStatusChangeListener, addValidator, addValueChangeListener, beforeClientResponse, commit, detach, discard, fireReadOnlyStatusChange, fireValueChange, focus, getConversionError, getConversionError, getConvertedValue, getConverter, getCurrentBufferedSourceException, getErrorMessage, getInternalValue, getModelType, getPropertyDataSource, getRequiredError, getState, getState, getTabIndex, getValidators, getValue, isBuffered, isEmpty, isInvalidAllowed, isInvalidCommitted, isModified, isReadOnly, isRequired, isValid, isValidationVisible, readOnlyStatusChange, removeAllValidators, removeListener, removeListener, removeReadOnlyStatusChangeListener, removeValidator, removeValueChangeListener, setBuffered, setConversionError, setConvertedValue, setConverter, setConverter, setCurrentBufferedSourceException, setInvalidAllowed, setInvalidCommitted, setLocale, setPropertyDataSource, setReadOnly, setRequired, setRequiredError, setTabIndex, setValidationVisible, setValue, setValue, shouldHideErrors, toString, validate, validate, valueChange

Methods inherited from class com.vaadin.ui.AbstractComponent

addListener, addShortcutListener, addStyleName, findAncestor, fireComponentErrorEvent, fireComponentEvent, getActionManager, getCaption, getComponentError, getData, getDebugId, getDescription, getHeight, getHeightUnits, getIcon, getId, getLocale, getParent, getPrimaryStyleName, getStyleName, getWidth, getWidthUnits, isConnectorEnabled, isEnabled, isImmediate, isVisible, removeListener, removeShortcutListener, removeStyleName, setCaption, setComponentError, setData, setDebugId, setDescription, setEnabled, setHeight, setIcon, setId, setImmediate, setParent, setPrimaryStyleName, setSizeFull, setSizeUndefined, setStyleName, setVisible, setWidth

Methods inherited from class com.vaadin.server.AbstractClientConnector

addAttachListener, addDetachListener, addExtension, addListener, addListener, addListener, addMethodInvocationToQueue, createState, encodeState, fireEvent, getAllChildrenIterable, getConnectorId, getErrorHandler, getExtensions, getListeners, getResource, getRpcManager, getRpcProxy, getSession, getStateType, getUI, handleConnectorRequest, hasListeners, isAttached, markAsDirty, markAsDirtyRecursive, registerRpc, registerRpc, removeAttachListener, removeDetachListener, removeExtension, removeListener, removeListener, removeListener, removeListener, requestRepaint, requestRepaintAll, retrievePendingRpcCalls, setErrorHandler, setResource

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.vaadin.ui.Field

getRequiredError, isRequired, setRequired, setRequiredError

Methods inherited from interface com.vaadin.data.BufferedValidatable

isInvalidCommitted, setInvalidCommitted

Methods inherited from interface com.vaadin.data.Buffered

commit, discard, isBuffered, isModified, setBuffered

Methods inherited from interface com.vaadin.data.Validatable

addValidator, getValidators, isInvalidAllowed, isValid, removeAllValidators, removeValidator, setInvalidAllowed, validate

Methods inherited from interface com.vaadin.data.Property

getValue, isReadOnly, setReadOnly, setValue

Methods inherited from interface com.vaadin.data.Property.ValueChangeNotifier

addListener, addValueChangeListener, removeListener, removeValueChangeListener

Methods inherited from interface com.vaadin.data.Property.ValueChangeListener

valueChange

Methods inherited from interface com.vaadin.data.Property.Viewer

getPropertyDataSource, setPropertyDataSource

Methods inherited from interface com.vaadin.ui.Component.Focusable

focus, getTabIndex, setTabIndex

Methods inherited from interface com.vaadin.ui.Component

addListener, addStyleName, attach, getCaption, getDescription, getIcon, getId, getLocale, getParent, getPrimaryStyleName, getStyleName, getUI, isEnabled, isReadOnly, isVisible, removeListener, removeStyleName, setCaption, setEnabled, setIcon, setId, setParent, setPrimaryStyleName, setReadOnly, setStyleName, setVisible

Methods inherited from interface com.vaadin.server.ClientConnector

addAttachListener, addDetachListener, beforeClientResponse, detach, encodeState, getErrorHandler, getExtensions, getRpcManager, getStateType, handleConnectorRequest, isAttached, isConnectorEnabled, markAsDirty, markAsDirtyRecursive, removeAttachListener, removeDetachListener, removeExtension, requestRepaint, requestRepaintAll, retrievePendingRpcCalls, setErrorHandler

Methods inherited from interface com.vaadin.shared.Connector

getConnectorId

Methods inherited from interface com.vaadin.server.Sizeable

getHeight, getHeightUnits, getWidth, getWidthUnits, setHeight, setHeight, setSizeFull, setSizeUndefined, setWidth, setWidth

Methods inherited from interface com.vaadin.event.Action.ShortcutNotifier

addShortcutListener, removeShortcutListener

Field Detail

DEFAULT_FORMAT

protected static final String DEFAULT_FORMAT

See Also:

Constant Field Values

TEMP_FILE_NAME_BASE

protected static final String TEMP_FILE_NAME_BASE

See Also:

Constant Field Values

log

protected org.apache.log4j.Logger log

Constructor Detail

ImageMediaField

public ImageMediaField()

Method Detail

initContent

protected com.vaadin.ui.Component initContent()

Specified by:

initContent in class com.vaadin.ui.CustomField<byte[]>

createImage

protected abstract com.vaadin.ui.Component createImage()

setInternalValue

protected void setInternalValue(byte[] newValue)

Overrides:

setInternalValue in class com.vaadin.ui.AbstractField<byte[]>

scaleToActualSize

public void scaleToActualSize()

Specified by:

scaleToActualSize in interface Scalable

scaleToFit

public void scaleToFit()

Specified by:

scaleToFit in interface Scalable

getType

public Class<byte[]> getType()

Specified by:

getType in interface com.vaadin.data.Property<byte[]>

Specified by:

getType in class com.vaadin.ui.AbstractField<byte[]>

applyChanges

public void applyChanges()

Specified by:

applyChanges in interface MediaField

revertChanges

public void revertChanges()

Specified by:

revertChanges in interface MediaField

execute

public void execute()

executeImageModification

protected BufferedImage executeImageModification()
                                          throws IOException

Throws:

IOException

refreshImageSource

public abstract void refreshImageSource()

generateTempFileName

protected String generateTempFileName()

createResourceFromValue

protected com.vaadin.server.StreamResource createResourceFromValue()

createStreamSource

protected InputStream createStreamSource(BufferedImage img,
                                         String formatName)
                                  throws IOException

Throws:

IOException