Java CreateRequest.setLocation方法代码示例

import org.eclipse.gef.requests.CreateRequest; //导入方法依赖的package包/类
private void setComponentRequestParams(CreateRequest componentRequest) {
	componentRequest.setSize(genericComponent.getSize());

	Point newCompDefaultLocation = getLocationForNewComponent();
	defaultComponentLocation.setLocation(newCompDefaultLocation.x, newCompDefaultLocation.y);
	
	componentRequest.setLocation(defaultComponentLocation);
}
 

import org.eclipse.gef.requests.CreateRequest; //导入方法依赖的package包/类
public Command createCommand(List<?> objects) {
	if (objects.isEmpty())
		return null;
	if (!(objects.get(0) instanceof EditPart))
		return null;

	CreateRequest createReq = new CreateRequest(RequestConstants.REQ_CREATE);
	createReq.setLocation(location);
	createReq.setFactory(creationFactory);
	Map<Object, Object> map = new HashMap<Object, Object>();
	if (!setExtendedData(map, objects))
		return null;
	createReq.setExtendedData(map);

	JSSCompoundCommand jssCcmd = new JSSCompoundCommand(null);		
	for (int i = 0; i < objects.size(); i++) {
		Object obj = objects.get(i);
		if (obj instanceof EditPart) {
			EditPart object = (EditPart) obj;
			//Set the node if necessary to disable the refresh
			jssCcmd.setReferenceNodeIfNull(object.getModel());	
			Command cmd = object.getCommand(createReq);
			if (cmd != null) {
				jssCcmd.add(cmd);
			}
		}
	}
	if(!jssCcmd.isEmpty()) {
		//Append the command to refresh the column names
		ANode tableNode = getTableNode(objects);
		jssCcmd.addFirst(new RefreshColumnNamesCommand(tableNode, false, true));
		jssCcmd.add(new RefreshColumnNamesCommand(tableNode, true, false));
		return jssCcmd;
	}
	else {
		return null;
	}
}
 

import org.eclipse.gef.requests.CreateRequest; //导入方法依赖的package包/类
/**
 * Create a command to create the selected objects.
 * 
 * @param objects
 *          The objects to be deleted.
 * @return The command to remove the selected objects.
 */
@Override
public Command createCommand() {
	List<Object> objects = getSelectedObjects();
	if (objects.isEmpty())
		return null;
	if (!(objects.get(0) instanceof EditPart))
		return null;

	CreateRequest createReq = new CreateRequest(RequestConstants.REQ_CREATE);
	createReq.setLocation(location);
	createReq.setFactory(creationFactory);
	Map<Object, Object> map = new HashMap<Object, Object>();
	if (!setExtendedData(map, objects))
		return null;
	createReq.setExtendedData(map);

	JSSCompoundCommand jssCcmd = new JSSCompoundCommand(null);		
	for (int i = 0; i < objects.size(); i++) {
		Object obj = objects.get(i);
		if (obj instanceof EditPart) {
			EditPart object = (EditPart) obj;
			//Set the node if necessary to disable the refresh
			jssCcmd.setReferenceNodeIfNull(object.getModel());	
			Command cmd = object.getCommand(createReq);
			if (cmd != null) {
				jssCcmd.add(cmd);
			}
		}
	}
	if(!jssCcmd.isEmpty()) {
		return jssCcmd;
	}
	else {
		return null;
	}
}
 

import org.eclipse.gef.requests.CreateRequest; //导入方法依赖的package包/类
/**
 * Sets the location (and size if the user is performing size-on-drop) of
 * the request.
 * 
 * @see org.eclipse.gef.tools.TargetingTool#updateTargetRequest()
 */
protected void updateTargetRequest() {
	CreateRequest createRequest = getCreateRequest();
	if (isInState(STATE_DRAG_IN_PROGRESS)) {
		Point loq = getStartLocation();
		Rectangle bounds = new Rectangle(loq, loq);
		bounds.union(loq.getTranslated(getDragMoveDelta()));
		createRequest.setSize(bounds.getSize());
		createRequest.setLocation(bounds.getLocation());
		createRequest.getExtendedData().clear();
		createRequest.setSnapToEnabled(!getCurrentInput().isModKeyDown(
				MODIFIER_NO_SNAPPING));
		if (helper != null && createRequest.isSnapToEnabled()) {
			PrecisionRectangle baseRect = new PrecisionRectangle(bounds);
			PrecisionRectangle result = baseRect.getPreciseCopy();
			helper.snapRectangle(createRequest, PositionConstants.NSEW,
					baseRect, result);
			createRequest.setLocation(result.getLocation());
			createRequest.setSize(result.getSize());
		}
		enforceConstraintsForSizeOnDropCreate(createRequest);
	} else {
		createRequest.setSize(null);
		createRequest.setLocation(getLocation());
		createRequest.setSnapToEnabled(false);
	}
}
 

import org.eclipse.gef.requests.CreateRequest; //导入方法依赖的package包/类
/**
 * Assumes that the target request is a {@link CreateRequest}.
 */
protected void updateTargetRequest() {
	CreateRequest request = getCreateRequest();
	request.setLocation(getDropLocation());
}
 

import org.eclipse.gef.requests.CreateRequest; //导入方法依赖的package包/类
public boolean performDrop( Object transfer, Object target, int operation,
		DNDLocation location )
{
	if ( target instanceof EditPart )// drop on layout
	{
		EditPart editPart = (EditPart) target;

		if ( editPart != null )
		{
			CreateRequest request = new CreateRequest( );
			if ( transfer instanceof Object[] )
			{
				Object[] newObjs = (Object[]) transfer;
				transfer = UIUtil.getInsertPamaterElements( newObjs );
			}
			try
			{
				if ( transfer instanceof ScalarParameterHandle )
				{
					transfer = InsertInLayoutUtil.performInsertParameter( (ScalarParameterHandle) transfer );
				}
				else if ( transfer instanceof Object[] )
				{
					Object[] objs = (Object[])transfer;
					Object[] copys = new Object[objs.length];
					for (int i=0; i<objs.length; i++)
					{
						if (objs[i] instanceof ScalarParameterHandle)
						{
							copys[i] = InsertInLayoutUtil.performInsertParameter( (ScalarParameterHandle) objs[i] );
						}
						else
						{
							// Return now , don't support the other type
							return false;
						}
						
					}
					
					transfer = copys;
				}

			}
			catch ( SemanticException e )
			{
				// do nothing
				return false;
			}
			request.getExtendedData( )
					.put( DesignerConstants.KEY_NEWOBJECT, transfer );
			request.setLocation( location.getPoint( ) );
			Command command = editPart.getCommand( request );
			if ( command != null && command.canExecute( ) )
			{
				CommandStack stack = SessionHandleAdapter.getInstance( )
						.getCommandStack( );
				stack.startTrans( Messages.getString( "LevelHandleDropAdapter.ActionText" ) ); //$NON-NLS-1$

				editPart.getViewer( )
						.getEditDomain( )
						.getCommandStack( )
						.execute( command );
				stack.commit( );
				return true;
			}
			else
				return false;
		}
	}
	return false;
}
 

import org.eclipse.gef.requests.CreateRequest; //导入方法依赖的package包/类
public boolean performDrop( Object transfer, Object target, int operation,
		DNDLocation location )
{
	if (transfer instanceof IAdaptable)
	{
		if (((IAdaptable)transfer).getAdapter( StructureHandle.class ) instanceof LevelAttributeHandle)
		{
			transfer = ((IAdaptable)transfer).getAdapter( StructureHandle.class );
		}
	}
	if ( target instanceof EditPart )// drop on layout
	{
		EditPart editPart = (EditPart) target;

		if ( editPart != null )
		{
			CreateRequest request = new CreateRequest( );

			request.getExtendedData( )
					.put( DesignerConstants.KEY_NEWOBJECT, transfer );
			request.setLocation( location.getPoint( ) );
			Command command = editPart.getCommand( request );
			if ( command != null && command.canExecute( ) )
			{
				CommandStack stack = SessionHandleAdapter.getInstance( )
						.getCommandStack( );
				stack.startTrans( Messages.getString( "LevelHandleDropAdapter.ActionText" ) ); //$NON-NLS-1$

				editPart.getViewer( )
						.getEditDomain( )
						.getCommandStack( )
						.execute( command );
				CrosstabReportItemHandle crosstab = getCrosstab( editPart );
				if ( crosstab != null )
				{
					AggregationCellProviderWrapper providerWrapper = new AggregationCellProviderWrapper( crosstab );
					providerWrapper.updateAllAggregationCells( AggregationCellViewAdapter.SWITCH_VIEW_TYPE );
				}
				stack.commit( );
				return true;
			}
			else
				return false;
		}
	}
	return false;
}
 

import org.eclipse.gef.requests.CreateRequest; //导入方法依赖的package包/类
public boolean performDrop( Object transfer, Object target, int operation,
		DNDLocation location )
{

	if ( target instanceof EditPart )//drop on layout
	{
		EditPart editPart = (EditPart) target;

		if ( editPart != null )
		{
			CreateRequest request = new CreateRequest( );

			request.getExtendedData( )
					.put( DesignerConstants.KEY_NEWOBJECT, transfer );
			request.setLocation( location.getPoint( ) );
			Command command = editPart.getCommand( request );
			if ( command != null && command.canExecute( ) )
			{
				CommandStack stack = SessionHandleAdapter.getInstance( )
				.getCommandStack( );
				stack.startTrans( Messages.getString( "LevelHandleDropAdapter.ActionText" ) ); //$NON-NLS-1$
		
				editPart.getViewer( )
						.getEditDomain( )
						.getCommandStack( )
						.execute( command );
				CrosstabReportItemHandle crosstab = getCrosstab( editPart );
				if ( crosstab != null )
				{
					AggregationCellProviderWrapper providerWrapper = new AggregationCellProviderWrapper( crosstab );
					providerWrapper.updateAllAggregationCells( AggregationCellViewAdapter.SWITCH_VIEW_TYPE );
				}
				stack.commit( );
				return true;
			}
			else
				return false;
		}
	}
	return false;
}
 

import org.eclipse.gef.requests.CreateRequest; //导入方法依赖的package包/类
public boolean performDrop( Object transfer, Object target, int operation,
		DNDLocation location )
{

	EditPart editPart = (EditPart) target;

	VariableElementHandle variable = (VariableElementHandle) transfer;

	DataItemHandle dataHandle = DesignElementFactory.getInstance( )
			.newDataItem( null );

	try
	{
		ComputedColumn bindingColumn = StructureFactory.newComputedColumn( dataHandle,
				variable.getName( ) );
		// FIXME currently variable does not support data type, so just set
		// string
		bindingColumn.setDataType( "string" );
		ExpressionUtility.setBindingColumnExpression( variable,
				bindingColumn,
				true );
		bindingColumn.setDisplayName( variable.getDisplayLabel( ) );
		dataHandle.addColumnBinding( bindingColumn, false );
		dataHandle.setResultSetColumn( bindingColumn.getName( ) );
	}
	catch ( Exception e )
	{
		ExceptionHandler.handle( e );
	}

	CreateRequest request = new CreateRequest( );
	request.getExtendedData( ).put( DesignerConstants.KEY_NEWOBJECT,
			dataHandle );
	request.setLocation( location.getPoint( ) );
	Command command = editPart.getCommand( request );
	if ( command != null && command.canExecute( ) )
	{
		CommandStack stack = SessionHandleAdapter.getInstance( )
				.getCommandStack( );
		stack.startTrans( TRANS_NAME ); //$NON-NLS-1$

		editPart.getViewer( )
				.getEditDomain( )
				.getCommandStack( )
				.execute( command );
		stack.commit( );
		return true;
	}
	else
		return false;
}