Package org.zkoss.zkmax.zul

Class Dropupload

java.lang.Object
org.zkoss.zk.ui.AbstractComponent
org.zkoss.zk.ui.HtmlBasedComponent
org.zkoss.zul.impl.XulElement
org.zkoss.zkmax.zul.Dropupload
All Implemented Interfaces:
Serializable, Cloneable, org.zkoss.zk.ui.Component, org.zkoss.zk.ui.ext.Scope, org.zkoss.zk.ui.sys.ComponentCtrl
public class Dropupload extends org.zkoss.zul.impl.XulElement
A component can handle drag files into it, and upload files to server.

Default HtmlBasedComponent.getZclass(): z-dropupload.

known supported browser :

  • Chrome (v.19+)
  • Firefox (v.13+)
  • Safari (5.1+)
  • Opera (12.1+)
  • IE (10+)

    • known unsupported browser :

  • IE9
  • Opera (11.x)
    • Since:
    6.5.0
    See Also:

    • Nested Class Summary

      Nested classes/interfaces inherited from class org.zkoss.zk.ui.HtmlBasedComponent

      org.zkoss.zk.ui.HtmlBasedComponent.ExtraCtrl

      Nested classes/interfaces inherited from class org.zkoss.zk.ui.AbstractComponent

      org.zkoss.zk.ui.AbstractComponent.Children, org.zkoss.zk.ui.AbstractComponent.ForwardInfo, org.zkoss.zk.ui.AbstractComponent.TargetInfo

    • Field Summary

      Fields inherited from class org.zkoss.zk.ui.HtmlBasedComponent

      _zclass

      Fields inherited from interface org.zkoss.zk.ui.Component

      APPLICATION_SCOPE, COMPONENT_SCOPE, DESKTOP_SCOPE, PAGE_SCOPE, REQUEST_SCOPE, SESSION_SCOPE, SPACE_SCOPE

      Fields inherited from interface org.zkoss.zk.ui.sys.ComponentCtrl

      AFTER_CHILD_ADDED, AFTER_CHILD_REMOVED, AFTER_CLONED, AFTER_PAGE_ATTACHED, AFTER_PAGE_DETACHED, AFTER_PARENT_CHANGED, CE_BUSY_IGNORE, CE_DUPLICATE_IGNORE, CE_IMPORTANT, CE_NON_DEFERRABLE, CE_REPEAT_IGNORE

    • Constructor Summary

      Constructors
      Constructor
      Description
      Dropupload()
       

    • Method Summary

      Modifier and Type
      Method
      Description
      String
      getAccept()
      Return acceptable file types.
      org.zkoss.zk.ui.Component
      getAnchor()
      Return the anchor of dropupload.
      String
      getContent()
       
      String
      getDetection()
      Return the detection area setting.
      int
      getMaxFileCount()
      Get the maximum number of files user can upload at once, when number of upload files exceed the maxFileCount, nothing will be uploaded and onMaxFileCountExceed event will be triggered, developer can listen to onMaxFileCountExceed and get the number of upload files by calling Event.getData() Default: -1
      int
      getMaxsize()
      Get the max size setting of upload file, unit is "KB".
      String
      getSuppressedErrors()
      Return the suppressed errors setting.
      String
      getViewerClass()
       
      boolean
      isNative()
      Return the setting that treat the upload file as binary or not.
      protected void
      renderProperties(org.zkoss.zk.ui.sys.ContentRenderer renderer)
       
      void
      service(org.zkoss.zk.au.AuRequest request, boolean everError)
      Process an AU request.
      void
      setAccept(String accept)
      Set acceptable file types.
      void
      setAnchor(org.zkoss.zk.ui.Component anchor)
      Set the anchor of dropupload, it allows the dropupload component to anchor to another component and overlay that component when the user drag & drops files to the browser.
      void
      setContent(String value)
      Set the content of component, it will be shown depend on detection setting.
      void
      setDetection(String value)
      Set drag detection area.
      void
      setMaxFileCount(int maxFileCount)
      Set the maximum number of files user can upload at once, when number of upload files exceed the maxFileCount, nothing will be uploaded and onMaxFileCountExceed event will be triggered, developer can listen to onMaxFileCountExceed and get the number of upload files by calling Event.getData()
      void
      setMaxsize(int value)
      Set the max size of upload file, unit is "KB".
      void
      setNative(boolean value)
      Set the setting that treat the upload file as binary or not.
      void
      setSuppressedErrors(String suppressedErrors)
      Set the suppressed errors setting.
      void
      setSuppressedErrors(Collection<org.zkoss.zk.ui.ext.Uploadable.Error> suppressedErrors)
      Set the suppressed errors setting.
      void
      setViewerClass(String value)
      Set the custom upload viewer class name, if was not specified, will use ZK default upload viewer.

      Methods inherited from class org.zkoss.zul.impl.XulElement

      clone, getContext, getCtrlKeys, getPopup, getPropertyAccess, getTooltip, setContext, setContext, setContextAttributes, setCtrlKeys, setPopup, setPopup, setPopupAttributes, setTooltip, setTooltip, setTooltipAttributes

      Methods inherited from class org.zkoss.zk.ui.HtmlBasedComponent

      addSclass, evalCSSFlex, focus, getAction, getClientAction, getDraggable, getDroppable, getExtraCtrl, getHeight, getHflex, getLeft, getRenderdefer, getSclass, getSkeleton, getStyle, getTabindex, getTabindexInteger, getTooltiptext, getTop, getVflex, getWidth, getZclass, getZindex, getZIndex, removeSclass, removeSclass, setAction, setClass, setClientAction, setDraggable, setDroppable, setFocus, setHeight, setHeight0, setHeightDirectly, setHflex, setHflex0, setHflexDirectly, setLeft, setLeftDirectly, setRenderdefer, setSclass, setSkeleton, setStyle, setTabindex, setTabindex, setTooltiptext, setTop, setTopDirectly, setVflex, setVflex0, setVflexDirectly, setWidth, setWidth0, setWidthDirectly, setZclass, setZindex, setZIndex, setZIndexDirectly

      Methods inherited from class org.zkoss.zk.ui.AbstractComponent

      addAnnotation, addCallback, addClientEvent, addEventHandler, addEventListener, addEventListener, addForward, addForward, addForward, addForward, addMoved, addRedrawCallback, addScopeListener, addShadowRoot, addShadowRootBefore, addSharedEventHandlerMap, appendChild, applyProperties, beforeChildAdded, beforeChildRemoved, beforeParentChanged, destroyIndexCacheMap, detach, didActivate, didActivate, didDeserialize, didDeserialize, disableBindingAnnotation, disableClientUpdate, disableHostChanged, enableBindingAnnotation, enableHostChanged, getAnnotatedProperties, getAnnotatedPropertiesBy, getAnnotation, getAnnotations, getAnnotations, getAttribute, getAttribute, getAttribute, getAttributeOrFellow, getAttributes, getAttributes, getAuService, getAutag, getCallback, getChildren, getClientAttribute, getClientDataAttribute, getClientEvents, getDefaultMold, getDefinition, getDesktop, getEventHandler, getEventHandlerNames, getEventListenerMap, getEventListeners, getFellow, getFellow, getFellowIfAny, getFellowIfAny, getFellows, getFirstChild, getForwards, getId, getIndexCacheMap, getLastChild, getMold, getNextSibling, getPage, getParent, getPreviousSibling, getRedrawCallback, getRoot, getShadowFellowIfAny, getShadowRoots, getShadowVariable, getShadowVariable, getShadowVariable0, getSpaceOwner, getSpecialRendererOutput, getStubonly, getStubonlyDescendants, getSubBindingAnnotationCount, getTemplate, getTemplateNames, getUuid, getWidgetAttributeNames, getWidgetClass, getWidgetListener, getWidgetListenerNames, getWidgetOverride, getWidgetOverrideNames, hasAttribute, hasAttribute, hasAttribute, hasAttributeOrFellow, hasBindingAnnotation, hasFellow, hasFellow, hasSubBindingAnnotation, initIndexCacheMap, insertBefore, invalidate, isChildable, isDisabledHostChanged, isInitialized, isInvalidated, isListenerAvailable, isVisible, onChildAdded, onChildRemoved, onPageAttached, onPageDetached, onParentChanged, onWrongValue, query, queryAll, redraw, redrawChildren, removeAttribute, removeAttribute, removeAttribute, removeCallback, removeChild, removeEventListener, removeForward, removeForward, removeRedrawCallback, removeScopeListener, removeShadowRoot, render, render, render, renderPropertiesOnly, replace, response, response, response, service, sessionDidActivate, sessionWillPassivate, setAttribute, setAttribute, setAttribute, setAuService, setAutag, setClientAttribute, setClientDataAttribute, setDefinition, setDefinition, setId, setMold, setPage, setPageBefore, setParent, setStubonly, setStubonly, setStubonlyDescendants, setSubBindingAnnotationCount, setTemplate, setVisible, setVisibleDirectly, setWidgetClass, setWidgetListener, setWidgetOverride, smartUpdate, smartUpdate, smartUpdate, smartUpdate, smartUpdate, smartUpdate, smartUpdate, smartUpdate, smartUpdate, smartUpdateWidgetListener, smartUpdateWidgetOverride, toString, updateByClient, updateSubBindingAnnotationCount, willPassivate, willPassivate, willSerialize, willSerialize

      Methods inherited from class java.lang.Object

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

    • Constructor Details

      • Dropupload

        public Dropupload()

    • Method Details

      • setMaxsize

        public void setMaxsize(int value)
        Set the max size of upload file, unit is "KB". Notice: All the files in one drag-and-drop action must smaller than max size, or nothing will upload.
        Parameters:
        value - negative value is unlimited, 0 will use Configuration.getMaxUploadSize()

      • getMaxsize

        public int getMaxsize()
        Get the max size setting of upload file, unit is "KB". Refer to setMaxsize(int) for more details.

      • setDetection

        public void setDetection(String value)
        Set drag detection area. When mouse drag over the detection area, it will show content. There are four accept value :
        1. browser : whole browser, default value.
        2. none : disable detection.
        3. self : the Dropupload itself.
        4. $id : the id value of specified widget. If specified widget is not exist, will use default setting.
        Notice : The Dropupload with detection="browser" setting can't put together with other Dropupload that detection is not browser. If do so, the user can't drop file on it.
        Parameters:
        value -

      • getDetection

        public String getDetection()
        Return the detection area setting. Refer to setDetection(String) for more details.

      • setViewerClass

        public void setViewerClass(String value)
        Set the custom upload viewer class name, if was not specified, will use ZK default upload viewer.
        Parameters:
        value - custom upload viewer class name.

      • getViewerClass

        public String getViewerClass()
        Returns:
        custom upload viewer class name.

      • setContent

        public void setContent(String value)
        Set the content of component, it will be shown depend on detection setting.
        Parameters:
        value - HTML string.
        See Also:

      • getContent

        public String getContent()
        Returns:
        content of component.

      • setNative

        public void setNative(boolean value)
        Set the setting that treat the upload file as binary or not. If true, treat file(s) as binary, i.e., not to convert it to image, audio or text files.

      • isNative

        public boolean isNative()
        Return the setting that treat the upload file as binary or not.
        Returns:
        boolean

      • setAnchor

        public void setAnchor(org.zkoss.zk.ui.Component anchor)
        Set the anchor of dropupload, it allows the dropupload component to anchor to another component and overlay that component when the user drag & drops files to the browser.
        Parameters:
        anchor - of dropupload

      • getAnchor

        public org.zkoss.zk.ui.Component getAnchor()
        Return the anchor of dropupload.
        Returns:
        Component

      • setMaxFileCount

        public void setMaxFileCount(int maxFileCount)
        Set the maximum number of files user can upload at once, when number of upload files exceed the maxFileCount, nothing will be uploaded and onMaxFileCountExceed event will be triggered, developer can listen to onMaxFileCountExceed and get the number of upload files by calling Event.getData()
        Parameters:
        maxFileCount - the maximum number of files user can upload at once, -1 means no limitation
        Since:
        8.5.2

      • getMaxFileCount

        public int getMaxFileCount()
        Get the maximum number of files user can upload at once, when number of upload files exceed the maxFileCount, nothing will be uploaded and onMaxFileCountExceed event will be triggered, developer can listen to onMaxFileCountExceed and get the number of upload files by calling Event.getData() Default: -1
        Returns:
        the maximum number of files user can upload at once, -1 means no limitation
        Since:
        8.5.2

      • getSuppressedErrors

        public String getSuppressedErrors()
        Return the suppressed errors setting.

        Default: null

        Returns:
        the suppressed errors setting
        Since:
        9.5.1

      • setSuppressedErrors

        public void setSuppressedErrors(String suppressedErrors)
        Set the suppressed errors setting. Specifies the suppressed uploading errors, separated by | (e.g. missing-required-component|illegal-upload).
        Parameters:
        suppressedErrors - the suppressed errors setting
        Since:
        9.5.1
        See Also:
        • Uploadable.Error

      • setSuppressedErrors

        public void setSuppressedErrors(Collection<org.zkoss.zk.ui.ext.Uploadable.Error> suppressedErrors)
        Set the suppressed errors setting. Specifies the suppressed uploading errors.
        Parameters:
        suppressedErrors - the suppressed errors setting
        Since:
        9.5.1
        See Also:
        • Uploadable.Error

      • setAccept

        public void setAccept(String accept)
        Set acceptable file types.
        Parameters:
        accept - acceptable file types
        Since:
        10.0.0

      • getAccept

        public String getAccept()
        Return acceptable file types.
        Since:
        10.0.0

      • renderProperties

        protected void renderProperties(org.zkoss.zk.ui.sys.ContentRenderer renderer) throws IOException
        Overrides:
        renderProperties in class org.zkoss.zul.impl.XulElement
        Throws:
        IOException

      • service

        public void service(org.zkoss.zk.au.AuRequest request, boolean everError)
        Process an AU request. It will handle Events.ON_UPLOAD and post UploadEvent.
        Specified by:
        service in interface org.zkoss.zk.ui.sys.ComponentCtrl
        Overrides:
        service in class org.zkoss.zk.ui.HtmlBasedComponent
        See Also:
        • HtmlBasedComponent.service(org.zkoss.zk.au.AuRequest, boolean)