com.extjs.gxt.ui.client.widget.form
Class HiddenField<D>

java.lang.Object
  extended by com.google.gwt.user.client.ui.UIObject
      extended by com.google.gwt.user.client.ui.Widget
          extended by com.extjs.gxt.ui.client.widget.Component
              extended by com.extjs.gxt.ui.client.widget.BoxComponent
                  extended by com.extjs.gxt.ui.client.widget.form.Field<D>
                      extended by com.extjs.gxt.ui.client.widget.form.HiddenField<D>
Type Parameters:
D - the data type
All Implemented Interfaces:
Observable, 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.IsWidget

public class HiddenField<D>
extends Field<D>

A basic hidden field for storing hidden values in forms that need to be passed in the form submit.


Nested Class Summary
 
Nested classes/interfaces inherited from class com.extjs.gxt.ui.client.widget.form.Field
Field.FieldImages, Field.FieldMessages
 
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 inherited from class com.extjs.gxt.ui.client.widget.form.Field
autoValidate, emptyText, errorIcon, fieldStyle, focusStyle, focusValue, forceInvalidText, hasFocus, images, invalidStyle, messages, name, originalValue, preventMark, propertyEditor, readOnly, readOnlyFieldStyle, validationDelay, validationTask, value
 
Fields inherited from class com.extjs.gxt.ui.client.widget.BoxComponent
adjustSize, cacheSizes, ensureVisibilityOnSizing, height, lastSize, layer, shim, width
 
Fields inherited from class com.extjs.gxt.ui.client.widget.Component
afterRender, attachables, baseStyle, disabled, disabledStyle, disableTextSelection, dummy, focusable, hidden, mask, maskMessage, maskMessageStyleName, monitorWindowResize, rendered, resizeHandler, setElementRender, stateId, swallowEvents, toolTip, windowResizeDelay, windowResizeTask
 
Fields inherited from class com.google.gwt.user.client.ui.UIObject
DEBUG_ID_PREFIX
 
Constructor Summary
HiddenField()
           
 
Method Summary
 void clearInvalid()
          Clear any invalid styles / messages for this field.
 void markInvalid(java.lang.String msg)
          Marks this field as invalid.
protected  void onRender(com.google.gwt.user.client.Element parent, int index)
          Subclasses must override and ensure setElement is called for lazy rendered components.
 boolean validate(boolean silent)
          Validates the field value.
protected  boolean validateValue(java.lang.String value)
          Subclasses should provide the validation implementation by overriding this.
 
Methods inherited from class com.extjs.gxt.ui.client.widget.form.Field
addInputStyleName, addKeyListener, afterRender, alignErrorIcon, clear, createComponentEvent, doDetachChildren, findLabelElement, fireChangeEvent, fireKey, focus, forceInvalid, getAutoValidate, getEmptyText, getErrorMessage, getFieldLabel, getImages, getInputEl, getLabelSeparator, getLabelStyle, getMessages, getMessageTarget, getName, getOriginalValue, getPropertyEditor, getRawValue, getStyleEl, getValidateOnBlur, getValidationDelay, getValue, initValue, isDirty, isFireChangeEventOnSetValue, isHideLabel, isInEditor, isReadOnly, isValid, isValid, onBlur, onClick, onComponentEvent, onDetach, onDisable, onEnable, onFocus, onHide, onKeyDown, onKeyPress, onKeyUp, onResize, onShow, removeInputStyleName, removeKeyListener, reset, setAutoValidate, setEmptyText, setFieldLabel, setFireChangeEventOnSetValue, setHideLabel, setImages, setInEditor, setInputStyleAttribute, setLabelSeparator, setLabelStyle, setMessages, setMessageTarget, setName, setOriginalValue, setPropertyEditor, setRawValue, setReadOnly, setTabIndex, setValidateOnBlur, setValidationDelay, setValue, updateOriginalValue, validate
 
Methods inherited from class com.extjs.gxt.ui.client.widget.BoxComponent
adjustPosition, adjustSize, getBounds, getHeight, getHeight, getPosition, getPositionEl, getResizeEl, getShadow, getShadowOffset, getShadowPosition, getSize, getWidth, getWidth, hideShadow, hideShim, hideUnders, isAutoHeight, isAutoWidth, isDeferHeight, isShim, onPosition, onUnload, setAutoHeight, setAutoWidth, setBounds, setBounds, setDeferHeight, setHeight, setHeight, setPagePosition, setPagePosition, setPixelSize, setPosition, setShadow, setShadowOffset, setShadowPosition, setShim, setSize, setSize, setWidth, setWidth, sync, syncSize
 
Methods inherited from class com.extjs.gxt.ui.client.widget.Component
addAttachable, addListener, addPlugin, addStyleName, addStyleOnOver, addWidgetListener, applyState, assertAfterRender, assertPreRender, beforeRender, blur, clearState, createObservable, createStyles, disable, disableContextMenu, disableEvents, disableTextSelection, doAttachChildren, el, enable, enableEvents, fireEvent, fireEvent, fireEvent, fly, frame, getAriaSupport, getBaseStyle, getBorders, getContextMenu, getData, getElement, getFocusEl, getFocusSupport, getHideMode, getId, getItemId, getListeners, getModel, getObservable, getPlugins, getState, getStateId, getTabIndex, getTitle, getToolTip, getWindowResizeDelay, hasListeners, hasListeners, hide, hideToolTip, initState, isDisabledEvents, isDisableTextSelection, isEnabled, isMasked, isMonitorWindowResize, isRendered, isStateful, isVisible, isVisible, mask, mask, mask, notifyHide, notifyShow, onAttach, onBrowserEvent, onDetachHelper, onEnsureDebugId, onHideContextMenu, onLoad, onRightClick, onShowContextMenu, onWindowResize, previewEvent, recalculate, removeAllListeners, removeAttachagle, removeFromParent, removeListener, removeStyleName, removeStyleOnOver, removeSwallow, removeToolTip, removeWidgetListener, render, render, repaint, saveState, setAriaRole, setAriaState, setAriaSupport, setBorders, setContextMenu, setData, setEl, setElement, setElement, setEnabled, setFiresEvents, setHideMode, setId, setIntStyleAttribute, setItemId, setModel, setMonitorWindowResize, setParent, setStateful, setStateId, setStyleAttribute, setStyleName, setTitle, setToolTip, setToolTip, setVisible, setWindowResizeDelay, setZIndex, show, sinkEvents, swallowEvent, swallowEvent, toString, unframe, unmask
 
Methods inherited from class com.google.gwt.user.client.ui.Widget
addAttachHandler, addBitlessDomHandler, addDomHandler, addHandler, asWidget, asWidgetOrNull, createHandlerManager, delegateEvent, fireEvent, getHandlerCount, getLayoutData, getParent, isAttached, isOrWasAttached, setLayoutData
 
Methods inherited from class com.google.gwt.user.client.ui.UIObject
addStyleDependentName, ensureDebugId, ensureDebugId, ensureDebugId, getAbsoluteLeft, getAbsoluteTop, getOffsetHeight, getOffsetWidth, getStyleElement, getStyleName, getStyleName, getStylePrimaryName, getStylePrimaryName, isVisible, removeStyleDependentName, setElement, setStyleDependentName, setStyleName, setStyleName, setStyleName, setStylePrimaryName, setStylePrimaryName, setVisible, sinkBitlessEvent, unsinkEvents
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

HiddenField

public HiddenField()
Method Detail

clearInvalid

public void clearInvalid()
Description copied from class: Field
Clear any invalid styles / messages for this field.

Overrides:
clearInvalid in class Field<D>

markInvalid

public void markInvalid(java.lang.String msg)
Description copied from class: Field
Marks this field as invalid. Validation will still run if called again, and the error message will be changed or cleared based on validation. To set a error message that will not be cleared until manually cleared see Field.forceInvalid(String)

Overrides:
markInvalid in class Field<D>
Parameters:
msg - the validation message

validate

public boolean validate(boolean silent)
Description copied from class: Field
Validates the field value.

Overrides:
validate in class Field<D>
Parameters:
silent - true to not mark the field valid and fire invalid event when invalid
Returns:
true if valid, otherwise false

onRender

protected void onRender(com.google.gwt.user.client.Element parent,
                        int index)
Description copied from class: Component
Subclasses must override and ensure setElement is called for lazy rendered components.

Overrides:
onRender in class Field<D>
Parameters:
parent - the target element
index - the insert location

validateValue

protected boolean validateValue(java.lang.String value)
Description copied from class: Field
Subclasses should provide the validation implementation by overriding this.

Overrides:
validateValue in class Field<D>
Parameters:
value - the value to validate
Returns:
true for valid