org.apache.tapestry.components
Class Conditional
java.lang.Object
org.apache.hivemind.impl.BaseLocatable
org.apache.tapestry.AbstractComponent
org.apache.tapestry.components.Conditional
- All Implemented Interfaces:
- IComponent, IRender, org.apache.hivemind.Locatable, org.apache.hivemind.LocationHolder
- public abstract class Conditional
- extends AbstractComponent
A conditional element on a page which will render its wrapped elements zero or one times. [ Component Reference ]
- Author:
- Howard Lewis Ship, David Solis
Methods inherited from class org.apache.tapestry.AbstractComponent |
addAsset, addBody, addComponent, checkActiveLock, cleanupAfterRender, enterActiveState, finishLoad, finishLoad, format, format, format, format, getAsset, getAssets, getBeans, getBinding, getBindingNames, getBindings, getBody, getBodyCount, getComponent, getComponents, getContainedComponent, getContainer, getExtendedId, getId, getIdPath, getListeners, getMessage, getMessages, getNamespace, getPage, getProperty, getSpecification, isInActiveState, isParameterBound, isRendering, pageEndRender, prepareForRender, render, renderBody, renderInformalParameters, setBinding, setContainedComponent, setContainer, setId, setNamespace, setPage, setProperty, toString |
Methods inherited from class org.apache.hivemind.impl.BaseLocatable |
getLocation, setLocation |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Methods inherited from interface org.apache.hivemind.LocationHolder |
setLocation |
Methods inherited from interface org.apache.hivemind.Locatable |
getLocation |
Conditional
public Conditional()
renderComponent
protected void renderComponent(IMarkupWriter writer,
IRequestCycle cycle)
- Renders its wrapped components only if the condition is true (technically, if condition
matches invert). Additionally, if element is specified, can emulate that HTML element if
condition is met
- Specified by:
renderComponent
in class AbstractComponent
evaluateCondition
protected boolean evaluateCondition()
getCondition
public abstract boolean getCondition()
getInvert
public abstract boolean getInvert()
getElement
public abstract java.lang.String getElement()