Bug 132652 Click other property will cause the previous revised value lost in Properties sheet.
Description: Click other property will cause the previous revised value lost in Properties sheet. Steps to reproduce: 1. Insert a label 2. Open Properties sheet, select the label. 3. Input 10pt in Margin left, then click Margin right. Expected result: 10pt is saved. Actual result: 10pt was lost.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/swt/custom/CCombo.java
Point comboSize = getSize ();
	Rectangle displayRect = getMonitor().getClientArea();
	int width = Math.max (comboSize.x, listRect.width + 2);
	int height = listRect.height + 2;
	int x = parentRect.x;
	int y = parentRect.y + comboSize.y;
	if (y + height > displayRect.y + displayRect.height) y = parentRect.y - height;
	popup.setBounds (x, y, width, height);
	popup.setVisible (true);
	list.setFocus();
}
public Control [] getChildren () {
	checkWidget();
	return new Control [0];
}
/**
 * Gets the editable state.
 * 
 * @return true if the contents can be edited
 *
 * @exception SWTException <ul>
 *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
 *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
 * </ul>
 *
 * @since 3.0
 *
 */
public boolean getEditable () {
	checkWidget ();