Bug 148747 Design become invalid when I extend a masterpage from Library
The attachment contains a report file and a library file. Reproduce: 1. Deploy the library("lib"), and open the report. 2. Drag Masterpage("page1") from "lib" to report. 3. Reopen the report, it become invalid.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/writer/ModuleWriter.java
import org.eclipse.birt.report.model.api.core.IStructure;
import org.eclipse.birt.report.model.api.core.UserPropertyDefn;
import org.eclipse.birt.report.model.api.elements.DesignChoiceConstants;
import org.eclipse.birt.report.model.api.elements.structures.Action;
import org.eclipse.birt.report.model.api.elements.structures.CachedMetaData;
import org.eclipse.birt.report.model.api.elements.structures.CustomColor;
import org.eclipse.birt.report.model.api.elements.structures.EmbeddedImage;
import org.eclipse.birt.report.model.api.elements.structures.ExtendedProperty;
import org.eclipse.birt.report.model.api.elements.structures.HighlightRule;
import org.eclipse.birt.report.model.api.elements.structures.MapRule;
import org.eclipse.birt.report.model.api.elements.structures.OdaDesignerState;
import org.eclipse.birt.report.model.api.extension.IEncryptionHelper;
import org.eclipse.birt.report.model.api.metadata.IChoice;
import org.eclipse.birt.report.model.api.metadata.IChoiceSet;
import org.eclipse.birt.report.model.api.metadata.IElementDefn;
import org.eclipse.birt.report.model.api.metadata.IStructureDefn;
import org.eclipse.birt.report.model.api.metadata.UserChoice;
import org.eclipse.birt.report.model.api.util.StringUtil;
import org.eclipse.birt.report.model.core.DesignElement;
import org.eclipse.birt.report.model.core.Module;
import org.eclipse.birt.report.model.core.StyledElement;
import org.eclipse.birt.report.model.elements.AutoText;
import org.eclipse.birt.report.model.elements.CascadingParameterGroup;
import org.eclipse.birt.report.model.elements.Cell;
import org.eclipse.birt.report.model.elements.DataItem;
import org.eclipse.birt.report.model.elements.DataSet;
import org.eclipse.birt.report.model.elements.DataSource;
import org.eclipse.birt.report.model.elements.ElementVisitor;
import org.eclipse.birt.report.model.elements.ExtendedItem;
import org.eclipse.birt.report.model.elements.FreeForm;