Package cn.mapway.ui.client.widget

Class ImageUploader

java.lang.Object

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

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

com.google.gwt.user.client.ui.Composite

cn.mapway.ui.client.widget.CommonEventComposite

cn.mapway.ui.client.widget.ImageUploader

All Implemented Interfaces:

IEventHandler, HasAttributeStateChangeHandler, IAttributesProvider, IAttributeValuesUpdator, IAttributeInit, IPageTip, IEnabled, IErrorMessage, IProvideSize, ISelectable, Id, HasCommonHandlers, com.google.gwt.event.logical.shared.HasAttachHandlers, com.google.gwt.event.shared.HasHandlers, com.google.gwt.user.client.EventListener, com.google.gwt.user.client.ui.HasVisibility, com.google.gwt.user.client.ui.IsRenderable, com.google.gwt.user.client.ui.IsWidget

public class ImageUploader
extends CommonEventComposite

图像上传组件,上传后自动展示该图片, 上传开始 报告 SUBMIT事件 上传完成 报告OK事件.

Author:

zhangjianshe

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

Field Summary

Fields

Modifier and Type	Field	Description
static String	DEFAULT_ACTION	The Constant DEFAULT_ACTION.
static String	EMPTY_PICTURE	The Constant EMPTY_PICTURE.

Fields inherited from class cn.mapway.ui.client.widget.CommonEventComposite

TRUE

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

DEBUG_ID_PREFIX

Fields inherited from interface cn.mapway.ui.client.mvc.window.IEnabled

ENABLED_ATTRIBUTE

Fields inherited from interface cn.mapway.ui.client.mvc.window.ISelectable

SELECT_ATTRIBUTE

Constructor Summary

Constructors

Constructor	Description
ImageUploader()	Instantiates a new image uploader.

Method Summary

Modifier and Type	Method	Description
void	addAcceptFileExtension(String ext)	添加可以接受的上传文件格式.
void	addAcceptFileExtensions(String... exts)	添加可以接受的上传文件格式.
void	btnClearClick(com.google.gwt.event.dom.client.ClickEvent event)
void	clearAcceptFileExtension()	清楚可接受的文件格式.
String	getImageTitle()	Gets image title.
String	getUrl()	Gets url.
protected String	isFileAcceptable(String filename)	判断文件是否可以被接受.
static boolean	isPicture(String url)	是否是图片
String	removeHTMLTag(String input)
void	setAction(String action, String relative)	设置上传的参数.
void	setBasePath(String path)	设置图片的相对路径前缀
void	setExtra(String value)	Sets the extra.
void	setImageTitle(String string)	Sets the image title.
void	setUploaderIconUnicode(String unicode)
void	setUrl(com.google.gwt.safehtml.shared.SafeUri url)	Sets url.
void	setUrl(String url)	Sets the url.

Methods inherited from class cn.mapway.ui.client.widget.CommonEventComposite

addAttributeReadyCallback, addAttributeStateChangeHandler, addCommonHandler, addTipDataHtml, addTipDataUrl, addTipDataWidget, clearBusEvent, clearTipData, commit, findAttributeByName, fireMessage, flatten, getAttributes, getAttributeSummary, getAttributeTitle, getComponentName, getEnabled, getId, getTipDataList, getTipVersion, getTitle, initAttributes, isAssign, isElementSelect, isSelected, isValidate, message, notifyAttributeReady, onEvent, onLoad, onUnload, processResult, processServiceCode, registerBusEvent, removeAttributeReadyCallback, removeHandler, requireDefaultSize, setAllResource, setAllRole, setAttr, setComponentName, setElementSelect, setEnabled, setErrorMessage, setId, setReadonly, setResource, setRole, setSelect, setTipVersion, setTitle, setUserRoleProvider, showPageTip, unregisterBusEvent, updateAttributeValues

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

claimElement, getWidget, initializeClaimedElement, initWidget, isAttached, onAttach, onBrowserEvent, onDetach, render, render, resolvePotentialElement, setWidget

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, isOrWasAttached, removeFromParent, setLayoutData, sinkEvents, unsinkEvents

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, isVisible, isVisible, onEnsureDebugId, removeStyleDependentName, removeStyleName, setElement, setElement, setHeight, setPixelSize, setSize, setStyleDependentName, setStyleName, setStyleName, setStyleName, setStyleName, setStylePrimaryName, setStylePrimaryName, setVisible, setVisible, setWidth, sinkBitlessEvent, toString

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

Methods inherited from interface cn.mapway.ui.client.mvc.attribute.IAttributesProvider

isGroupInitExpand

Field Detail

EMPTY_PICTURE

public static final String EMPTY_PICTURE

The Constant EMPTY_PICTURE.

DEFAULT_ACTION

public static final String DEFAULT_ACTION

The Constant DEFAULT_ACTION.

Constructor Detail

ImageUploader

public ImageUploader()

Instantiates a new image uploader.

Method Detail

isPicture

public static boolean isPicture(String url)

是否是图片

Parameters:

url - the url

Returns:

boolean

setUploaderIconUnicode

public void setUploaderIconUnicode(String unicode)

isFileAcceptable

protected String isFileAcceptable(String filename)

判断文件是否可以被接受.

Parameters:

filename - the filename

Returns:

the string

clearAcceptFileExtension

public void clearAcceptFileExtension()

清楚可接受的文件格式.

addAcceptFileExtension

public void addAcceptFileExtension(String ext)

添加可以接受的上传文件格式.

Parameters:

ext - 可以接受的上传文件后缀 不需要添加 . 如 pdf png apk etc..

addAcceptFileExtensions

public void addAcceptFileExtensions(String... exts)

添加可以接受的上传文件格式.

Parameters:

exts - 可以接受的上传文件后缀 不需要添加 . 如 pdf png apk etc..

removeHTMLTag

public String removeHTMLTag(String input)

setBasePath

public void setBasePath(String path)

设置图片的相对路径前缀

Parameters:

path -

setAction

public void setAction(String action,
                      String relative)

设置上传的参数.

Parameters:

action - 远程接受文件的URL

relative - 服务器保存的相对路径

getUrl

public String getUrl()

Gets url.

Returns:

the url

setUrl

public void setUrl(String url)

Sets the url.

Parameters:

url - the new url

setUrl

public void setUrl(com.google.gwt.safehtml.shared.SafeUri url)

Sets url.

Parameters:

url - the url

getImageTitle

public String getImageTitle()

Gets image title.

Returns:

the image title

setImageTitle

public void setImageTitle(String string)

Sets the image title.

Parameters:

string - the new image title

setExtra

public void setExtra(String value)

Sets the extra.

Parameters:

value - the new extra

btnClearClick

@UiHandler("btnClear")
public void btnClearClick(com.google.gwt.event.dom.client.ClickEvent event)