ListModelAdaptor

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org.scopemvc.model.collection
Class ListModelAdaptor

java.lang.Object
  org.scopemvc.model.basic.BasicModel
      org.scopemvc.model.collection.ListModelAdaptor

All Implemented Interfaces:: org.scopemvc.core.ModelChangeEventSource, org.scopemvc.core.ModelChangeListener, org.scopemvc.core.ModelChangeTypes

public class ListModelAdaptor
extends org.scopemvc.model.basic.BasicModel
implements org.scopemvc.core.ModelChangeListener

Used to present a list of ListModelSources as an active BasicModel. Useful when initialising org.scopemvc.view.swing.SComboBox or org.scopemvc.view.swing.SList with a static list of data.

This will propogate ModelChangeEvents from sublists that are ModelChangeEventSources. Note that this adaptor registers as a listener with such sublists: it may be necessary to manually unregister with removeModelChangeListeners() 55 if an adaptor is no longer needed.

The adaptor can present its ListModelSources as a sorted list if a Comparator is passed to setComparator(java.util.Comparator) 55 or all list elements implement Comparable and setSorted(boolean) 55 is called.

Version:: $Revision: 1.4 $ $Date: 2002/01/12 09:35:40 $

Field Summary

private java.util.Comparator comparator


private java.util.List list


static org.scopemvc.core.Selector LIST_SELECTOR


static org.scopemvc.core.Selector LIST_SIZE_SELECTOR


private ListModelSource[] listSources


private boolean sorted


Fields inherited from class org.scopemvc.model.basic.BasicModel

Fields inherited from interface org.scopemvc.core.ModelChangeTypes

ACCESS_CHANGED, VALUE_ADDED, VALUE_CHANGED, VALUE_REMOVED

Constructor Summary

ListModelAdaptor(ListModelSource listSource)


ListModelAdaptor(ListModelSource[] listSources)


Method Summary

java.lang.Object getElementAt(int inIndex)


java.util.List getList()


int getSize()


private boolean isListChangeEvent(org.scopemvc.core.ModelChangeEvent inEvent)


boolean isSorted()


protected void loadList()


void modelChanged(org.scopemvc.core.ModelChangeEvent inEvent)
           Invoked to notify listeners of a change in the state of a ModelChangeEventSource.

void removeModelChangeListeners()


void setComparator(java.util.Comparator inComparator)


void setSorted(boolean inSorted)


Methods inherited from class org.scopemvc.model.basic.BasicModel

addModelChangeListener, fireModelChange, listenNewSubmodel, makeActive, removeModelChangeListener, unlistenOldSubmodel

Methods inherited from class java.lang.Object

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

Field Detail

LIST_SELECTOR

public static final org.scopemvc.core.Selector LIST_SELECTOR

LIST_SIZE_SELECTOR

public static final org.scopemvc.core.Selector LIST_SIZE_SELECTOR

list

private java.util.List list

listSources

private ListModelSource[] listSources

sorted

private boolean sorted

comparator

private java.util.Comparator comparator

Constructor Detail