com.vaadin.ui

Class Link

java.lang.Object

com.vaadin.server.AbstractClientConnector

com.vaadin.ui.AbstractComponent

com.vaadin.ui.Link

All Implemented Interfaces:

ContextClickEvent.ContextClickNotifier, MethodEventSource, ClientConnector, Sizeable, Connector, Component, Serializable

public class Link
extends AbstractComponent

Link is used to create external or internal URL links.

Since:

3.0

Author:

Vaadin Ltd.

See Also:

Serialized Form

Nested Class Summary

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

Component.ErrorEvent, Component.Event, Component.Focusable, Component.Listener

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

ClientConnector.AttachEvent, ClientConnector.AttachListener, ClientConnector.ConnectorErrorEvent, ClientConnector.DetachEvent, ClientConnector.DetachListener

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

Sizeable.Unit

Field Summary

Fields

Modifier and Type	Field and Description
static BorderStyle	TARGET_BORDER_DEFAULT Deprecated. As of 7.0, use BorderStyle.DEFAULT instead
static BorderStyle	TARGET_BORDER_MINIMAL Deprecated. As of 7.0, use BorderStyle.MINIMAL instead
static BorderStyle	TARGET_BORDER_NONE Deprecated. As of 7.0, use BorderStyle.NONE instead

Fields inherited from class com.vaadin.ui.AbstractComponent

DESIGN_ATTR_PLAIN_TEXT

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

Constructors

Constructor and Description
Link() Creates a new link.
Link(String caption, Resource resource) Creates a new instance of Link.
Link(String caption, Resource resource, String targetName, int width, int height, BorderStyle border) Creates a new instance of Link that opens a new window.

Method Summary

Modifier and Type	Method and Description
protected Collection<String>	getCustomAttributes() Returns a collection of attributes that should not be handled by the basic implementation of the readDesign and writeDesign methods.
Resource	getResource() Returns the resource this link opens.
protected LinkState	getState() Returns the shared state bean with information to be sent from the server to the client.
protected LinkState	getState(boolean markAsDirty) Returns the shared state for this connector.
BorderStyle	getTargetBorder() Returns the target window border.
int	getTargetHeight() Returns the target window height or -1 if not set.
String	getTargetName() Returns the target window name.
int	getTargetWidth() Returns the target window width or -1 if not set.
void	readDesign(org.jsoup.nodes.Element design, DesignContext designContext) Reads the component state from the given design.
void	setResource(Resource resource) Sets the resource this link opens.
void	setTargetBorder(BorderStyle targetBorder) Sets the border of the target window.
void	setTargetHeight(int targetHeight) Sets the target window height.
void	setTargetName(String targetName) Sets the target window name.
void	setTargetWidth(int targetWidth) Sets the target window width.
void	writeDesign(org.jsoup.nodes.Element design, DesignContext designContext) Writes the component state to the given design.

Methods inherited from class com.vaadin.ui.AbstractComponent

addContextClickListener, addListener, addShortcutListener, addStyleName, attach, beforeClientResponse, detach, findAncestor, fireComponentErrorEvent, fireComponentEvent, focus, getActionManager, getCaption, getComponentError, getData, getDebugId, getDescription, getErrorMessage, getExplicitImmediateValue, getHeight, getHeightUnits, getIcon, getId, getLocale, getParent, getPrimaryStyleName, getStyleName, getWidth, getWidthUnits, isCaptionAsHtml, isConnectorEnabled, isEnabled, isImmediate, isOrHasAncestor, isReadOnly, isResponsive, isVisible, removeContextClickListener, removeListener, removeShortcutListener, removeStyleName, setCaption, setCaptionAsHtml, setComponentError, setData, setDebugId, setDescription, setEnabled, setHeight, setHeight, setHeightUndefined, setIcon, setId, setImmediate, setLocale, setParent, setPrimaryStyleName, setReadOnly, setResponsive, setSizeFull, setSizeUndefined, setStyleName, setStyleName, setVisible, setWidth, setWidth, setWidthUndefined

Methods inherited from class com.vaadin.server.AbstractClientConnector

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

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.vaadin.ui.Component

getUI

Methods inherited from interface com.vaadin.server.ClientConnector

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

Methods inherited from interface com.vaadin.shared.Connector

getConnectorId

Field Detail

TARGET_BORDER_NONE

@Deprecated
public static final BorderStyle TARGET_BORDER_NONE

Deprecated. As of 7.0, use BorderStyle.NONE instead

TARGET_BORDER_MINIMAL

@Deprecated
public static final BorderStyle TARGET_BORDER_MINIMAL

Deprecated. As of 7.0, use BorderStyle.MINIMAL instead

TARGET_BORDER_DEFAULT

@Deprecated
public static final BorderStyle TARGET_BORDER_DEFAULT

Deprecated. As of 7.0, use BorderStyle.DEFAULT instead

Constructor Detail

Link

public Link()

Creates a new link.

Link

public Link(String caption,
            Resource resource)

Creates a new instance of Link.

Parameters:

caption -

resource -

Link

public Link(String caption,
            Resource resource,
            String targetName,
            int width,
            int height,
            BorderStyle border)

Creates a new instance of Link that opens a new window.

Parameters:

caption - the Link text.

targetName - the name of the target window where the link opens to. Empty name of null implies that the target is opened to the window containing the link.

width - the Width of the target window.

height - the Height of the target window.

border - the Border style of the target window.

Method Detail

getState

protected LinkState getState()

Description copied from class: AbstractComponent

Returns the shared state bean with information to be sent from the server to the client. Subclasses should override this method and set any relevant fields of the state returned by super.getState().

Overrides:

getState in class AbstractComponent

Returns:

updated component shared state

getState

protected LinkState getState(boolean markAsDirty)

Description copied from class: AbstractClientConnector

Returns the shared state for this connector.

Overrides:

getState in class AbstractComponent

Parameters:

markAsDirty - true if the connector should automatically be marked dirty, false otherwise

Returns:

The shared state for this connector. Never null.

See Also:

AbstractClientConnector.getState()

getTargetBorder

public BorderStyle getTargetBorder()

Returns the target window border.

Returns:

the target window border.

getTargetHeight

public int getTargetHeight()

Returns the target window height or -1 if not set.

Returns:

the target window height.

getTargetName

public String getTargetName()

Returns the target window name. Empty name of null implies that the target is opened to the window containing the link.

Returns:

the target window name.

getTargetWidth

public int getTargetWidth()

Returns the target window width or -1 if not set.

Returns:

the target window width.

setTargetBorder

public void setTargetBorder(BorderStyle targetBorder)

Sets the border of the target window.

Parameters:

targetBorder - the targetBorder to set.

setTargetHeight

public void setTargetHeight(int targetHeight)

Sets the target window height.

Parameters:

targetHeight - the targetHeight to set.

setTargetName

public void setTargetName(String targetName)

Sets the target window name.

Parameters:

targetName - the targetName to set.

setTargetWidth

public void setTargetWidth(int targetWidth)

Sets the target window width.

Parameters:

targetWidth - the targetWidth to set.

getResource

public Resource getResource()

Returns the resource this link opens.

Returns:

the Resource.

setResource

public void setResource(Resource resource)

Sets the resource this link opens.

Parameters:

resource - the resource to set.

readDesign

public void readDesign(org.jsoup.nodes.Element design,
                       DesignContext designContext)

Description copied from interface: Component

Reads the component state from the given design.

The component is responsible not only for updating its own state but also for ensuring that its children update their state based on the design.

It is assumed that the component is in its default state when this method is called. Reading should only take into consideration attributes specified in the design and not reset any unspecified attributes to their defaults.

This method must not modify the design.

Specified by:

readDesign in interface Component

Overrides:

readDesign in class AbstractComponent

Parameters:

design - The element to obtain the state from

designContext - The DesignContext instance used for parsing the design

writeDesign

public void writeDesign(org.jsoup.nodes.Element design,
                        DesignContext designContext)

Description copied from interface: Component

Writes the component state to the given design.

The component is responsible not only for writing its own state but also for ensuring that its children write their state to the design.

This method must not modify the component state.

Specified by:

writeDesign in interface Component

Overrides:

writeDesign in class AbstractComponent

Parameters:

design - The element to write the component state to. Any previous attributes or child nodes are not cleared.

designContext - The DesignContext instance used for writing the design

getCustomAttributes

protected Collection<String> getCustomAttributes()

Description copied from class: AbstractComponent

Returns a collection of attributes that should not be handled by the basic implementation of the readDesign and writeDesign methods. Typically these are handled in a custom way in the overridden versions of the above methods

Overrides:

getCustomAttributes in class AbstractComponent

Returns:

the collection of attributes that are not handled by the basic implementation