Bug 305200 [EditorMgmt] FileEditorMappingContentProvider could just be replaced by ArrayContentProvider
This class doesn't seem to be very useful.
bundles/org.eclipse.ui.ide/extensions/org/eclipse/ui/dialogs/WizardExportPage.java
* Set the resource whos name we will display.
     * @param resource
     */
    protected void setResourceToDisplay(IResource resource) {
        setResourceFieldValue(resource.getFullPath().makeRelative().toString());
    }
    /**
     * Sets the value of this page's "Types to export" field, or stores
     * it for future use if this visual component does not exist yet.
     *
     * @param value new value
     */
    public void setTypesFieldValue(String value) {
        if (typesToExportField == null) {
			initialTypesFieldValue = value;
		} else {
			typesToExportField.setText(value);
		}
    }
    /**
     * Sets the value of this page's "Types to export" field based upon the
     * collection of extensions.
     *
     * @param typeStrings the collection of extensions to populate the "Types to
     *   export" field with (element type: <code>String</code>)
     */
    protected void setTypesToExport(List typeStrings) {
        StringBuffer result = new StringBuffer();
        Iterator typesEnum = typeStrings.iterator();
        while (typesEnum.hasNext()) {