org.apertereports
Class AbstractLazyLoaderComponent

java.lang.Object
  com.vaadin.ui.AbstractComponent
      com.vaadin.ui.AbstractComponentContainer
          com.vaadin.ui.CustomComponent
              org.apertereports.AbstractLazyLoaderComponent

All Implemented Interfaces:

com.vaadin.event.MethodEventSource, com.vaadin.terminal.Paintable, com.vaadin.terminal.Sizeable, com.vaadin.terminal.VariableOwner, com.vaadin.ui.Component, com.vaadin.ui.ComponentContainer, eu.livotov.tpt.gui.widgets.TPTLazyLoadingLayout.LazyLoader, Serializable, EventListener

Direct Known Subclasses:

CyclicReportBrowserComponent, ReportParametersComponent, ReportViewComponent

public abstract class AbstractLazyLoaderComponent
extends com.vaadin.ui.CustomComponent
implements eu.livotov.tpt.gui.widgets.TPTLazyLoadingLayout.LazyLoader

A Vaadin component wrapper with lazy loading. Extending class should provide its heavy logic (i.e. fetching data from db) in lazyLoad() method.

See Also:

Serialized Form

Nested Class Summary

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

com.vaadin.ui.AbstractComponent.ComponentErrorEvent, com.vaadin.ui.AbstractComponent.ComponentErrorHandler

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

com.vaadin.ui.ComponentContainer.ComponentAttachEvent, com.vaadin.ui.ComponentContainer.ComponentAttachListener, com.vaadin.ui.ComponentContainer.ComponentDetachEvent, com.vaadin.ui.ComponentContainer.ComponentDetachListener

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

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

Nested classes/interfaces inherited from interface com.vaadin.terminal.Paintable

com.vaadin.terminal.Paintable.RepaintRequestEvent, com.vaadin.terminal.Paintable.RepaintRequestListener

Field Summary

Fields inherited from interface com.vaadin.terminal.Sizeable

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

Constructor Summary

AbstractLazyLoaderComponent()

Method Summary

String	getLazyLoadingMessage() Returns the message shown on lazy load (i.e.
abstract void	lazyLoad()
com.vaadin.ui.Component	lazyLoad(eu.livotov.tpt.gui.widgets.TPTLazyLoadingLayout tptLazyLoadingLayout) Executes the lazy loading of the component.

Methods inherited from class com.vaadin.ui.CustomComponent

addComponent, getComponentCount, getComponentIterator, getComponentType, getCompositionRoot, moveComponentsFrom, paintContent, removeAllComponents, removeComponent, replaceComponent, setComponentType, setCompositionRoot

Methods inherited from class com.vaadin.ui.AbstractComponentContainer

addListener, addListener, attach, detach, fireComponentAttachEvent, fireComponentDetachEvent, removeListener, removeListener, requestRepaintAll, setEnabled, setHeight, setWidth

Methods inherited from class com.vaadin.ui.AbstractComponent

addListener, addListener, addListener, addListener, addListener, addStyleName, changeVariables, childRequestedRepaint, fireComponentErrorEvent, fireComponentEvent, fireEvent, focus, getApplication, getCaption, getComponentError, getData, getDebugId, getDescription, getErrorHandler, getErrorMessage, getHeight, getHeightUnits, getIcon, getListeners, getLocale, getParent, getStyle, getStyleName, getWidth, getWidthUnits, getWindow, handleError, hasListeners, isEnabled, isImmediate, isReadOnly, isVisible, paint, removeListener, removeListener, removeListener, removeListener, removeListener, removeListener, removeStyleName, requestRepaint, requestRepaintRequests, setCaption, setComponentError, setData, setDebugId, setDescription, setErrorHandler, setHeight, setHeight, setHeightUnits, setIcon, setImmediate, setLocale, setParent, setReadOnly, setSizeFull, setSizeUndefined, setStyle, setStyleName, setVisible, setWidth, setWidth, setWidthUnits

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.vaadin.ui.Component

addListener, addStyleName, childRequestedRepaint, getApplication, getCaption, getIcon, getLocale, getParent, getStyleName, getWindow, isEnabled, isReadOnly, isVisible, removeListener, removeStyleName, setCaption, setIcon, setParent, setReadOnly, setStyleName, setVisible

Methods inherited from interface com.vaadin.terminal.Paintable

addListener, getDebugId, paint, removeListener, requestRepaint, requestRepaintRequests, setDebugId

Methods inherited from interface com.vaadin.terminal.VariableOwner

changeVariables, isImmediate

Methods inherited from interface com.vaadin.terminal.Sizeable

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

Constructor Detail

AbstractLazyLoaderComponent

public AbstractLazyLoaderComponent()

Method Detail

lazyLoad

public abstract void lazyLoad()
                       throws Exception

Throws:

Exception

lazyLoad

public com.vaadin.ui.Component lazyLoad(eu.livotov.tpt.gui.widgets.TPTLazyLoadingLayout tptLazyLoadingLayout)

Executes the lazy loading of the component.

Specified by:

lazyLoad in interface eu.livotov.tpt.gui.widgets.TPTLazyLoadingLayout.LazyLoader

Parameters:

tptLazyLoadingLayout - The TPT wrapper for lazy loading.

Returns:

Returns the proper lazy loaded component.

getLazyLoadingMessage

public String getLazyLoadingMessage()

Returns the message shown on lazy load (i.e. "The data is still loading...").

Specified by:

getLazyLoadingMessage in interface eu.livotov.tpt.gui.widgets.TPTLazyLoadingLayout.LazyLoader

Returns:

The message