AbstractContainer (wcomponents-core 1.5.24 API)

java.lang.Object
- com.github.bordertech.wcomponents.AbstractWComponent
- - com.github.bordertech.wcomponents.AbstractContainer

All Implemented Interfaces:

Container, WComponent, WebComponent, Serializable

Direct Known Subclasses:

AbstractNamingContextContainer, WContentLink, WField, WMenuItem, WMenuItemGroup, WTabGroup, WTableColumn
```
public abstract class AbstractContainer
extends AbstractWComponent
implements Container
```
This abstract implements the Container interface to expose methods for retrieving the contents of the container. This class is extended by most WComponents which may contain other components.

Since:

1.0.0

Author:

Yiannis Paschalidis

See Also:

Serialized Form

Nested Class Summary
- Nested classes/interfaces inherited from class com.github.bordertech.wcomponents.AbstractWComponent
  AbstractWComponent.WComponentRef

Field Summary
- Fields inherited from interface com.github.bordertech.wcomponents.WComponent
  DEFAULT_APPLICATION_ID, DEFAULT_INTERNAL_ID, DEFAULT_NO_ID, ID_CONTEXT_SEPERATOR, ID_FRAMEWORK_ASSIGNED_SEPERATOR, ID_VALIDATION_PATTERN

Constructor Summary

Constructors
Constructor Description

AbstractContainer()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`WComponent`	`getChildAt(int index)`	Retrieves a child component by its index.
`int`	`getChildCount()`
`List<WComponent>`	`getChildren()`	Retrieves a list of this Container's.
`int`	`getIndexOfChild(WComponent childComponent)`	Retrieves the index of the given child.

Methods inherited from class com.github.bordertech.wcomponents.AbstractWComponent
addHtmlClass, addHtmlClass, addNotify, afterPaint, assertAddSupported, beforePaint, createErrorDiagnostic, createErrorDiagnostic, forward, getAccessibleText, getAttribute, getBaseUrl, getComponentModel, getDefaultModel, getEnvironment, getHeaders, getHtmlClass, getHtmlClasses, getId, getIdName, getInternalId, getLabel, getName, getOrCreateComponentModel, getParent, getScratchMap, getTabIndex, getTag, getTemplate, getTemplateMarkUp, getToolTip, handleRequest, hasNoComponentModel, hasTabIndex, initialiseComponentModel, invokeLater, invokeLaters, isDebugStructure, isDefaultState, isFlagSet, isHidden, isInitialised, isLocked, isTracking, isTrackingEnabled, isValidate, isVisible, newComponentModel, paint, paintComponent, preparePaint, preparePaintComponent, removeAttribute, removeComponentModel, removeHtmlClass, removeHtmlClass, removeNotify, replaceWComponent, reset, serviceRequest, setAccessibleText, setAttribute, setEnvironment, setFlag, setFocussed, setHidden, setHtmlClass, setHtmlClass, setIdName, setInitialised, setLocked, setTag, setToolTip, setTrackingEnabled, setValidate, setVisible, showErrorIndicators, showErrorIndicatorsForComponent, showWarningIndicators, showWarningIndicatorsForComponent, tidyUpUIContext, tidyUpUIContextForTree, toString, validate, validateComponent, writeReplace

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.github.bordertech.wcomponents.WComponent
addHtmlClass, addHtmlClass, forward, getAccessibleText, getAttribute, getBaseUrl, getEnvironment, getHeaders, getHtmlClass, getHtmlClasses, getId, getIdName, getInternalId, getLabel, getName, getParent, getTabIndex, getTag, getToolTip, handleRequest, hasTabIndex, invokeLater, isDefaultState, isHidden, isInitialised, isLocked, isTracking, isTrackingEnabled, isValidate, isVisible, paint, preparePaint, removeAttribute, removeHtmlClass, removeHtmlClass, reset, serviceRequest, setAccessibleText, setAttribute, setEnvironment, setFocussed, setHtmlClass, setHtmlClass, setIdName, setInitialised, setLocked, setTag, setToolTip, setTrackingEnabled, setValidate, setVisible, showErrorIndicators, showWarningIndicators, tidyUpUIContextForTree, validate

- Constructor Detail
  - AbstractContainer
```
public AbstractContainer()
```
- Method Detail
  - getChildCount
```
public int getChildCount()
```
    Specified by:
    
    getChildCount in interface Container
    
    Returns:
    
    the number of child components currently contained within this component.
  - getChildAt
```
public WComponent getChildAt(int index)
```
    Retrieves a child component by its index.
    
    Specified by:
    
    getChildAt in interface Container
    
    Parameters:
    
    index - the index of the child component to be retrieved.
    
    Returns:
    
    the child component at the given index.
  - getIndexOfChild
```
public int getIndexOfChild(WComponent childComponent)
```
    Retrieves the index of the given child.
    
    Specified by:
    
    getIndexOfChild in interface Container
    
    Parameters:
    
    childComponent - the child component to retrieve the index for.
    
    Returns:
    
    the index of the given child component, or -1 if the component is not a child of this component.
  - getChildren
```
public List<WComponent> getChildren()
```
    Description copied from interface: Container
    
    Retrieves a list of this Container's.
    
    Specified by:
    
    getChildren in interface Container
    
    Returns:
    
    an immutable list of this Container.