import org.eclipse.ui.part.MultiPageEditorSite; //导入依赖的package包/类
private void finishNotCompiledReport() {
	UIUtils.getDisplay().asyncExec(new Runnable() {

		public void run() {
			pcontainer.setNotRunning(true);
			if (pcontainer.getSite() instanceof MultiPageEditorSite) {
				MultiPageEditorPart mpe = ((MultiPageEditorSite) pcontainer.getSite()).getMultiPageEditor();
				IEditorPart[] editors = mpe.findEditors(mpe.getEditorInput());
				if (editors != null && editors.length > 0) {
					// Dialog, if not ..., it's not clear for the user that error happened
					UIUtils.showInformation(Messages.ReportControler_compilationerrors);

					mpe.setActiveEditor(editors[0]);
				}
			}
		}
	});
}
 

import org.eclipse.ui.part.MultiPageEditorSite; //导入依赖的package包/类
/**
 * This function takes a workbench part site, which might be from a top-level view,
 * or from a top-level editor, or from a page-level editor in a multipage editor 
 * site.  The function finds the corresponding part for this site and activates it.
 * @param site
 */
public static void activate(IWorkbenchPartSite site) {
	try {
		IWorkbenchPart part;
		if (site instanceof MultiPageEditorSite) {
			part = ((MultiPageEditorSite)site).getMultiPageEditor();
		} else {
			part = site.getPart();
		}
		if (part == null) {
			return;
		}
		IWorkbenchPage page = site.getPage();
		if (page == null) {
			return;
		}
		page.activate(part);
	} catch (ThreadDeath td) {
		throw td;
	} catch (Throwable t) {
		Logger.getLogger(WorkbenchUtils.class).error("throwable in activate", t);
	}
}
 

import org.eclipse.ui.part.MultiPageEditorSite; //导入依赖的package包/类
/**
 * disposes all color objects
 */
public void dispose( )
{
	// colorManager.dispose( );

	// remove the mediator listener
	// SessionHandleAdapter.getInstance( )
	// .getMediator( root )
	// .removeColleague( this );
	selectionMap.clear( );
	editingDomainEditor = null;

	if ( scriptEditor != null )
	{
		scriptEditor.dispose( );
		scriptEditor = null;
	}

	super.dispose( );
	// ( (ReportMultiPageEditorSite) getSite( ) ).dispose( );
	( (MultiPageEditorSite) getSite( ) ).dispose( );
}
 

import org.eclipse.ui.part.MultiPageEditorSite; //导入依赖的package包/类
public static void openEditor(final Object val, IEditorPart editor, ANode node) {
	if (editor.getEditorSite() instanceof MultiPageEditorSite) {
		final MultiPageEditorPart mpep = ((MultiPageEditorSite) editor.getEditorSite()).getMultiPageEditor();
		if (mpep instanceof IJROBjectEditor)
			doOpenEditor(val, (IJROBjectEditor) mpep, node);
	} else {
		editor = Workbench.getInstance().getActiveWorkbenchWindow().getActivePage().getActiveEditor();
		if (editor instanceof IJROBjectEditor)
			doOpenEditor(val, (IJROBjectEditor) editor, node);
	}
}
 

import org.eclipse.ui.part.MultiPageEditorSite; //导入依赖的package包/类
@Override
protected IEditorSite createSite(IEditorPart editor) {
    // Due to an eclipse bug/misfeature, the Id of a multipart editor is always "", so you can't contribute
    // to the editor without doing this in code.  This workaround allows the debugger plugin to add a RulerDoubleClick
    // event to make breakpoints work again.
    return new MultiPageEditorSite(this, editor) {
        @Override
        public String getId() {
            return EditorConstants.APEX_EDITOR_ID;
        }
    };
}
 

import org.eclipse.ui.part.MultiPageEditorSite; //导入依赖的package包/类
public void dispose( )
{
	super.dispose( );
	( (MultiPageEditorSite) getSite( ) ).dispose( );

	reportXMLEditor.dispose( );
	reportXMLEditor = null;

	unhookModelEventManager( getModel( ) );

	SessionHandleAdapter.getInstance( )
			.getMediator( getModel( ) )
			.removeColleague( this );
}
 

import org.eclipse.ui.part.MultiPageEditorSite; //导入依赖的package包/类
public void init( IEditorSite site, IEditorInput input )
		throws PartInitException
{
	super.init( site, input );
	initialize( (FormEditor) ( (MultiPageEditorSite) site ).getMultiPageEditor( ) );
	// Initializes command stack
	// WrapperCommandStack stack = (WrapperCommandStack) getCommandStack( );
	// if ( stack != null )
	// {
	// stack.addCommandStackListener( getCommandStackListener( ) );
	// }
}
 

import org.eclipse.ui.part.MultiPageEditorSite; //导入依赖的package包/类
public void dispose( )
{
	if (fSourceViewerDecorationSupport != null) {
		fSourceViewerDecorationSupport.dispose();
		fSourceViewerDecorationSupport= null;
	}

	fAnnotationAccess= null;
	
	colorManager.dispose( );
	super.dispose( );
	( (MultiPageEditorSite) getSite( ) ).dispose( );		
}
 

import org.eclipse.ui.part.MultiPageEditorSite; //导入依赖的package包/类
/**
 * Get the next position off the global mark ring and move to that file and location
 *
 * @param editor
 * @param document
 * @param currentSelection
 * @param norotate - if true, pop else rotate and pop
 * @return NO_OFFSET
 * @throws BadLocationException
 */
protected int doTransform(ITextEditor editor, IDocument document, ITextSelection currentSelection, boolean norotate, boolean isTags)
throws BadLocationException {
	// get editor and offset
	IBufferLocation location = (isTags ? MarkUtils.popTagMark() : MarkUtils.popGlobalMark(norotate));
	if (location != null) {
		if (currentSelection != null &&
				location.getEditor() == editor && location.getOffset() == currentSelection.getOffset()) {
			// if we're already at the global mark location, move to next location
			// recurse with no selection to avoid infinite loop if only one global location
			return doTransform(editor,document,null,norotate, isTags);
		}
		ITextEditor jumpTo = location.getEditor();
		int offset = location.getOffset();
		IWorkbenchPage page = getWorkbenchPage();
		IEditorPart part = jumpTo;
		if (part != null) {
			// move to the correct page
			IEditorPart apart = part;
			IEditorSite esite = part.getEditorSite();
			if (esite instanceof MultiPageEditorSite) {
				apart = ((MultiPageEditorSite)esite).getMultiPageEditor();
				// handle multi page by activating the correct part within the parent
				if (apart instanceof MultiPageEditorPart) {
					((MultiPageEditorPart)apart).setActiveEditor(part);
				}
			}
			// check to make sure the editor is still valid
			if (page.findEditor(apart.getEditorInput()) != null)  {
				// then activate
				page.activate(apart);
				page.bringToTop(apart);
				if (part instanceof ITextEditor) {
					selectAndReveal((ITextEditor) part,offset,offset);
					EmacsPlusUtils.clearMessage(part);
				}
			} else {
				EmacsPlusUtils.showMessage(editor, String.format(BAD_MARK, apart.getTitle()), true);
			}
		}
	} else {
		beep();
	}
	return NO_OFFSET;
}
 

import org.eclipse.ui.part.MultiPageEditorSite; //导入依赖的package包/类
/**
 * @see com.mulgasoft.emacsplus.minibuffer.IMinibufferExecutable#executeResult(org.eclipse.ui.texteditor.ITextEditor, java.lang.Object)
 */
public boolean doExecuteResult(ITextEditor editor, Object minibufferResult) {

	if (minibufferResult != null) {
		String key = (String)minibufferResult;
		IRegisterLocation location = TecoRegister.getInstance().getLocation(key);
		if (location != null) {
			IWorkbenchPage page = getWorkbenchPage();
			IEditorPart part = location.getEditor(); 
			int offset = location.getOffset();
			if (part != null) {
				// move to the correct page
				IEditorPart apart = part;
				IEditorSite esite = part.getEditorSite();
				if (esite instanceof MultiPageEditorSite) {
					apart = ((MultiPageEditorSite)esite).getMultiPageEditor();
					// handle multi page by activating the correct part within the parent
					if (apart instanceof MultiPageEditorPart) {
						((MultiPageEditorPart)apart).setActiveEditor(part);
					}
				}
				// now activate
				page.activate(apart);
				page.bringToTop(apart);
			} else {
				// restore the resource from the file system
				if (location.getPath() != null) {
					try {
						// loads and activates
						part = IDE.openEditor(page, location.getPath(), true);
						if (part instanceof IEditorPart) {
							if (part instanceof MultiPageEditorPart) {
								IEditorPart[] parts = ((MultiPageEditorPart)part).findEditors(part.getEditorInput());
								//  TODO this will only work on the first load of a multi page
								// There is no supported way to determine the correct sub part in this case
								// Investigate org.eclipse.ui.PageSwitcher (used in org.eclipse.ui.part.MultiPageEditorPart)
								// as a means for locating the correct sub page at this level
								for (int i = 0; i < parts.length; i++) {
									if (parts[i] instanceof ITextEditor) {
										((MultiPageEditorPart)part).setActiveEditor(parts[i]);
										part = parts[i];
										break;
									}
								}
							}
							location.setEditor((ITextEditor)part);
						}
					} catch (PartInitException e) {
						showResultMessage(editor, String.format(BAD_LOCATION,key + ' ' + e.getLocalizedMessage()), true);				
					}
				} else {
					showResultMessage(editor, String.format(NO_LOCATION,key), true);				
				}
			}
			if (part instanceof ITextEditor) {
				((ITextEditor) part).selectAndReveal(offset, 0);
				showResultMessage(editor, String.format(LOCATED, key), false);
			} else {
			
			}
		} else {
			showResultMessage(editor, NO_REGISTER, true);
		}
	}
	return true;
}