Attachment #163972 for bug #305739

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	 *            the widget
	 */
	protected void createChildren(final Widget widget) {
		createChildren(widget, true);
	}
	
	/**
	 * Creates all children for the given widget.
	 * <p>
	 * The default implementation of this framework method assumes that
	 * <code>widget.getData()</code> returns the element corresponding to the
	 * node. Note: the node is not visually expanded! You may have to call
	 * <code>parent.setExpanded(true)</code>.
	 * </p>
	 *
	 * @param widget
	 *            the widget
	 * @param materialize 
	 * 			  true if children are expected to be fully materialized
	 */
	void createChildren(final Widget widget, boolean materialize) {
		boolean oldBusy = isBusy();
		setBusy(true);
		try {

					&& !isExpandable((Item) widget, null, widget.getData())) {
				return;
			}
			createChildren(widget, false);
			if (widget instanceof Item) {
				setExpanded((Item) widget, true);
			}




		}
	}

	void createChildren(Widget widget, boolean materialize) {
		if (contentProviderIsLazy) {
			Object element = widget.getData();
			if (element == null && widget instanceof TreeItem) {

			// touch all children to make sure they are materialized
			for (int i = 0; i < children.length; i++) {
				if (children[i].getData() == null) {
					if (materialize) {
						virtualLazyUpdateWidget(widget, i);
					} else {
						((TreeItem)children[i]).clearAll(true);
					}
				}
			}
			return;
		}
		super.createChildren(widget, materialize);
	}

	protected void internalAdd(Widget widget, Object parentElement,

Return to bug 305739

Lines 761-766 Link Here

(-)src/org/eclipse/jface/viewers/AbstractTreeViewer.java (-1 / +19 lines)
761	* the widget	761	* the widget
762	*/	762	*/
763	protected void createChildren(final Widget widget) {	763	protected void createChildren(final Widget widget) {
		764	createChildren(widget, true);
		765	}
		766
		767	/**
		768	* Creates all children for the given widget.
		769	* <p>
		770	* The default implementation of this framework method assumes that
		771	* <code>widget.getData()</code> returns the element corresponding to the
		772	* node. Note: the node is not visually expanded! You may have to call
		773	* <code>parent.setExpanded(true)</code>.
		774	* </p>
		775	*
		776	* @param widget
		777	* the widget
		778	* @param materialize
		779	* true if children are expected to be fully materialized
		780	*/
		781	void createChildren(final Widget widget, boolean materialize) {
764	boolean oldBusy = isBusy();	782	boolean oldBusy = isBusy();
765	setBusy(true);	783	setBusy(true);
766	try {	784	try {
Lines 1708-1714 Link Here
1708	&& !isExpandable((Item) widget, null, widget.getData())) {	1726	&& !isExpandable((Item) widget, null, widget.getData())) {
1709	return;	1727	return;
1710	}	1728	}
1711	createChildren(widget);	1729	createChildren(widget, false);
1712	if (widget instanceof Item) {	1730	if (widget instanceof Item) {
1713	setExpanded((Item) widget, true);	1731	setExpanded((Item) widget, true);
1714	}	1732	}

Lines 610-616 Link Here

(-)src/org/eclipse/jface/viewers/TreeViewer.java (-3 / +7 lines)
610	}	610	}
611	}	611	}
612		612
613	protected void createChildren(Widget widget) {	613	void createChildren(Widget widget, boolean materialize) {
614	if (contentProviderIsLazy) {	614	if (contentProviderIsLazy) {
615	Object element = widget.getData();	615	Object element = widget.getData();
616	if (element == null && widget instanceof TreeItem) {	616	if (element == null && widget instanceof TreeItem) {
Lines 632-643 Link Here
632	// touch all children to make sure they are materialized	632	// touch all children to make sure they are materialized
633	for (int i = 0; i < children.length; i++) {	633	for (int i = 0; i < children.length; i++) {
634	if (children[i].getData() == null) {	634	if (children[i].getData() == null) {
635	virtualLazyUpdateWidget(widget, i);	635	if (materialize) {
		636	virtualLazyUpdateWidget(widget, i);
		637	} else {
		638	((TreeItem)children[i]).clearAll(true);
		639	}
636	}	640	}
637	}	641	}
638	return;	642	return;
639	}	643	}
640	super.createChildren(widget);	644	super.createChildren(widget, materialize);
641	}	645	}
642		646
643	protected void internalAdd(Widget widget, Object parentElement,	647	protected void internalAdd(Widget widget, Object parentElement,