Class Dropupload

  • All Implemented Interfaces:
    java.io.Serializable, java.lang.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:
    Serialized Form
    • 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

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.lang.String getAccept()
      Return acceptable file types.
      org.zkoss.zk.ui.Component getAnchor()
      Return the anchor of dropupload.
      java.lang.String getContent()  
      java.lang.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".
      java.lang.String getSuppressedErrors()
      Return the suppressed errors setting.
      java.lang.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​(java.lang.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​(java.lang.String value)
      Set the content of component, it will be shown depend on detection setting.
      void setDetection​(java.lang.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​(java.lang.String suppressedErrors)
      Set the suppressed errors setting.
      void setSuppressedErrors​(java.util.Collection<org.zkoss.zk.ui.ext.Uploadable.Error> suppressedErrors)
      Set the suppressed errors setting.
      void setViewerClass​(java.lang.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, 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, 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, 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, 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 Detail

      • Dropupload

        public Dropupload()
    • Method Detail

      • 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​(java.lang.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 java.lang.String getDetection()
        Return the detection area setting. Refer to setDetection(String) for more details.
      • setViewerClass

        public void setViewerClass​(java.lang.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 java.lang.String getViewerClass()
        Returns:
        custom upload viewer class name.
      • setContent

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

        public java.lang.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 java.lang.String getSuppressedErrors()
        Return the suppressed errors setting.

        Default: null

        Returns:
        the suppressed errors setting
        Since:
        9.5.1
      • setSuppressedErrors

        public void setSuppressedErrors​(java.lang.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​(java.util.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​(java.lang.String accept)
        Set acceptable file types.
        Parameters:
        accept - acceptable file types
        Since:
        10.0.0
      • getAccept

        public java.lang.String getAccept()
        Return acceptable file types.
        Since:
        10.0.0
      • renderProperties

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