io.apiman.manager.ui.client.local.widgets

Class DropZone

java.lang.Object

com.google.gwt.user.client.ui.UIObject

com.google.gwt.user.client.ui.Widget

com.google.gwt.user.client.ui.LabelBase<String>

com.google.gwt.user.client.ui.Label

io.apiman.manager.ui.client.local.widgets.DropZone

All Implemented Interfaces:

com.google.gwt.editor.client.IsEditor<com.google.gwt.editor.client.LeafValueEditor<String>>, com.google.gwt.event.dom.client.HasAllDragAndDropHandlers, com.google.gwt.event.dom.client.HasAllGestureHandlers, com.google.gwt.event.dom.client.HasAllMouseHandlers, com.google.gwt.event.dom.client.HasAllTouchHandlers, com.google.gwt.event.dom.client.HasClickHandlers, com.google.gwt.event.dom.client.HasDoubleClickHandlers, com.google.gwt.event.dom.client.HasDragEndHandlers, com.google.gwt.event.dom.client.HasDragEnterHandlers, com.google.gwt.event.dom.client.HasDragHandlers, com.google.gwt.event.dom.client.HasDragLeaveHandlers, com.google.gwt.event.dom.client.HasDragOverHandlers, com.google.gwt.event.dom.client.HasDragStartHandlers, com.google.gwt.event.dom.client.HasDropHandlers, com.google.gwt.event.dom.client.HasGestureChangeHandlers, com.google.gwt.event.dom.client.HasGestureEndHandlers, com.google.gwt.event.dom.client.HasGestureStartHandlers, com.google.gwt.event.dom.client.HasMouseDownHandlers, com.google.gwt.event.dom.client.HasMouseMoveHandlers, com.google.gwt.event.dom.client.HasMouseOutHandlers, com.google.gwt.event.dom.client.HasMouseOverHandlers, com.google.gwt.event.dom.client.HasMouseUpHandlers, com.google.gwt.event.dom.client.HasMouseWheelHandlers, com.google.gwt.event.dom.client.HasTouchCancelHandlers, com.google.gwt.event.dom.client.HasTouchEndHandlers, com.google.gwt.event.dom.client.HasTouchMoveHandlers, com.google.gwt.event.dom.client.HasTouchStartHandlers, com.google.gwt.event.logical.shared.HasAttachHandlers, com.google.gwt.event.logical.shared.HasValueChangeHandlers<List<JavaScriptFile>>, com.google.gwt.event.shared.HasHandlers, com.google.gwt.i18n.client.HasDirection, com.google.gwt.i18n.shared.HasDirectionEstimator, com.google.gwt.user.client.EventListener, com.google.gwt.user.client.TakesValue<List<JavaScriptFile>>, com.google.gwt.user.client.ui.HasAutoHorizontalAlignment, com.google.gwt.user.client.ui.HasDirectionalText, com.google.gwt.user.client.ui.HasHorizontalAlignment, com.google.gwt.user.client.ui.HasText, com.google.gwt.user.client.ui.HasValue<List<JavaScriptFile>>, com.google.gwt.user.client.ui.HasVisibility, com.google.gwt.user.client.ui.HasWordWrap, com.google.gwt.user.client.ui.IsWidget, com.google.gwt.user.client.ui.SourcesClickEvents, com.google.gwt.user.client.ui.SourcesMouseEvents

public class DropZone
extends com.google.gwt.user.client.ui.Label
implements com.google.gwt.user.client.ui.HasValue<List<JavaScriptFile>>

A simple div drop-zone. This allows users to drag and drop files form their computer onto this widget.

Author:

eric.wittmann@redhat.com

Nested Class Summary

Nested classes/interfaces inherited from class com.google.gwt.user.client.ui.UIObject

com.google.gwt.user.client.ui.UIObject.DebugIdImpl, com.google.gwt.user.client.ui.UIObject.DebugIdImplEnabled

Nested classes/interfaces inherited from interface com.google.gwt.i18n.client.HasDirection

com.google.gwt.i18n.client.HasDirection.Direction

Nested classes/interfaces inherited from interface com.google.gwt.user.client.ui.HasHorizontalAlignment

com.google.gwt.user.client.ui.HasHorizontalAlignment.AutoHorizontalAlignmentConstant, com.google.gwt.user.client.ui.HasHorizontalAlignment.HorizontalAlignmentConstant

Field Summary

Fields inherited from class com.google.gwt.user.client.ui.Label

DEFAULT_DIRECTION_ESTIMATOR

Fields inherited from class com.google.gwt.user.client.ui.UIObject

DEBUG_ID_PREFIX

Fields inherited from interface com.google.gwt.user.client.ui.HasAutoHorizontalAlignment

ALIGN_CONTENT_END, ALIGN_CONTENT_START

Fields inherited from interface com.google.gwt.user.client.ui.HasHorizontalAlignment

ALIGN_CENTER, ALIGN_DEFAULT, ALIGN_JUSTIFY, ALIGN_LEFT, ALIGN_LOCALE_END, ALIGN_LOCALE_START, ALIGN_RIGHT

Constructor Summary

Constructors

Constructor and Description
DropZone() Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
protected boolean	accept(String fileName, int fileSize, String fileType) Returns true if the drop zone accepts the dropped file.
protected void	addFile(com.google.gwt.core.client.JavaScriptObject jsFile) Adds a file to the list of files.
com.google.gwt.event.shared.HandlerRegistration	addValueChangeHandler(com.google.gwt.event.logical.shared.ValueChangeHandler<List<JavaScriptFile>> handler)
protected void	doDrop(com.google.gwt.event.dom.client.DropEvent event) Called when the user drops a file.
List<JavaScriptFile>	getValue()
void	handleFiles(com.google.gwt.dom.client.DataTransfer dt) Called to handle the list of files that were dropped.
protected void	postConstruct()
void	setValue(List<JavaScriptFile> value)
void	setValue(List<JavaScriptFile> value, boolean fireEvents)

Methods inherited from class com.google.gwt.user.client.ui.Label

addClickHandler, addClickListener, addDoubleClickHandler, addDragEndHandler, addDragEnterHandler, addDragHandler, addDragLeaveHandler, addDragOverHandler, addDragStartHandler, addDropHandler, addGestureChangeHandler, addGestureEndHandler, addGestureStartHandler, addMouseDownHandler, addMouseListener, addMouseMoveHandler, addMouseOutHandler, addMouseOverHandler, addMouseUpHandler, addMouseWheelHandler, addMouseWheelListener, addTouchCancelHandler, addTouchEndHandler, addTouchMoveHandler, addTouchStartHandler, asEditor, getDirection, getText, getTextDirection, removeClickListener, removeMouseListener, removeMouseWheelListener, setDirection, setText, setText, wrap

Methods inherited from class com.google.gwt.user.client.ui.LabelBase

getAutoHorizontalAlignment, getDirectionEstimator, getHorizontalAlignment, getWordWrap, setAutoHorizontalAlignment, setDirectionEstimator, setDirectionEstimator, setHorizontalAlignment, setWordWrap, updateHorizontalAlignment

Methods inherited from class com.google.gwt.user.client.ui.Widget

addAttachHandler, addBitlessDomHandler, addDomHandler, addHandler, asWidget, asWidgetOrNull, createHandlerManager, delegateEvent, doAttachChildren, doDetachChildren, fireEvent, getHandlerCount, getLayoutData, getParent, isAttached, isOrWasAttached, onAttach, onBrowserEvent, onDetach, onLoad, onUnload, removeFromParent, setLayoutData, sinkEvents

Methods inherited from class com.google.gwt.user.client.ui.UIObject

addStyleDependentName, addStyleName, ensureDebugId, ensureDebugId, ensureDebugId, getAbsoluteLeft, getAbsoluteTop, getElement, getOffsetHeight, getOffsetWidth, getStyleElement, getStyleName, getStyleName, getStylePrimaryName, getStylePrimaryName, getTitle, isVisible, isVisible, onEnsureDebugId, removeStyleDependentName, removeStyleName, resolvePotentialElement, setElement, setElement, setHeight, setPixelSize, setSize, setStyleDependentName, setStyleName, setStyleName, setStyleName, setStyleName, setStylePrimaryName, setStylePrimaryName, setTitle, setVisible, setVisible, setWidth, sinkBitlessEvent, toString, unsinkEvents

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.google.gwt.event.shared.HasHandlers

fireEvent

Constructor Detail

DropZone

public DropZone()

Constructor.

Method Detail

postConstruct

@PostConstruct
protected void postConstruct()

doDrop

protected void doDrop(com.google.gwt.event.dom.client.DropEvent event)

Called when the user drops a file.

Parameters:

event -

handleFiles

public final void handleFiles(com.google.gwt.dom.client.DataTransfer dt)

Called to handle the list of files that were dropped.

Parameters:

dt -

addFile

protected void addFile(com.google.gwt.core.client.JavaScriptObject jsFile)

Adds a file to the list of files.

Parameters:

jsFile -

accept

protected boolean accept(String fileName,
             int fileSize,
             String fileType)

Returns true if the drop zone accepts the dropped file.

Parameters:

fileName -

fileSize -

fileType -

addValueChangeHandler

public com.google.gwt.event.shared.HandlerRegistration addValueChangeHandler(com.google.gwt.event.logical.shared.ValueChangeHandler<List<JavaScriptFile>> handler)

Specified by:

addValueChangeHandler in interface com.google.gwt.event.logical.shared.HasValueChangeHandlers<List<JavaScriptFile>>

See Also:

HasValueChangeHandlers.addValueChangeHandler(com.google.gwt.event.logical.shared.ValueChangeHandler)

getValue

public List<JavaScriptFile> getValue()

Specified by:

getValue in interface com.google.gwt.user.client.TakesValue<List<JavaScriptFile>>

Specified by:

getValue in interface com.google.gwt.user.client.ui.HasValue<List<JavaScriptFile>>

See Also:

HasValue.getValue()

setValue

public void setValue(List<JavaScriptFile> value)

Specified by:

setValue in interface com.google.gwt.user.client.TakesValue<List<JavaScriptFile>>

Specified by:

setValue in interface com.google.gwt.user.client.ui.HasValue<List<JavaScriptFile>>

See Also:

HasValue.setValue(java.lang.Object)

setValue

public void setValue(List<JavaScriptFile> value,
            boolean fireEvents)

Specified by:

setValue in interface com.google.gwt.user.client.ui.HasValue<List<JavaScriptFile>>

See Also:

HasValue.setValue(java.lang.Object, boolean)