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

  • Field Details

    • 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 Details

    • ImageUploader

      public ImageUploader()
      Instantiates a new image uploader.

  • Method Details

    • 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)