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
public void setBackground (Color color) {
	super.setBackground(color);
	background = color;
	if (text != null) text.setBackground(color);
	if (list != null) list.setBackground(color);
	if (arrow != null) arrow.setBackground(color);
}
/**
 * Sets the editable state.
 *
 * @param editable the new editable state
 *
 * @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 void setEditable (boolean editable) {
	checkWidget ();
	text.setEditable(editable);
}
public void setEnabled (boolean enabled) {
	super.setEnabled(enabled);
	if (popup != null) popup.setVisible (false);
	if (text != null) text.setEnabled(enabled);
	if (arrow != null) arrow.setEnabled(enabled);
}