Bug 156642 [Regression]Script of onPrepare is no effect
Details: Script of onPrepare is no effect Set any function on onPrepare, but it is no effect. For example: this.getStyle().color="red" Excepted: it is effect
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/impl/RunAndRenderTask.java
import java.util.Iterator;
import java.util.logging.Level;
import org.eclipse.birt.report.engine.api.EngineConfig;
import org.eclipse.birt.report.engine.api.EngineException;
import org.eclipse.birt.report.engine.api.HTMLRenderOption;
import org.eclipse.birt.report.engine.api.IReportEngine;
import org.eclipse.birt.report.engine.api.IReportRunnable;
import org.eclipse.birt.report.engine.api.IRunAndRenderTask;
import org.eclipse.birt.report.engine.api.UnsupportedFormatException;
import org.eclipse.birt.report.engine.emitter.CompositeContentEmitter;
import org.eclipse.birt.report.engine.emitter.EngineEmitterServices;
import org.eclipse.birt.report.engine.emitter.IContentEmitter;
import org.eclipse.birt.report.engine.executor.IReportExecutor;
import org.eclipse.birt.report.engine.executor.OnPageBreakLayoutPageHandle;
import org.eclipse.birt.report.engine.executor.ReportExecutor;
import org.eclipse.birt.report.engine.extension.internal.ExtensionManager;
import org.eclipse.birt.report.engine.i18n.MessageConstants;
import org.eclipse.birt.report.engine.internal.executor.l18n.LocalizedReportExecutor;
import org.eclipse.birt.report.engine.ir.Report;
import org.eclipse.birt.report.engine.layout.IReportLayoutEngine;
import org.eclipse.birt.report.engine.layout.LayoutEngineFactory;
/**
 * an engine task that runs a report and renders it to one of the output formats
 * supported by the engine.
 */
public class RunAndRenderTask extends EngineTask implements IRunAndRenderTask
{
	/**
	 * specifies the emitter ID used for rendering the report
	 */