gridLayout.numColumns = 2;
shell.setLayout( gridLayout);
factory.setComposite(shell);
factory.createLabel("nodeName");
txtName = factory.createText();
txtName.setEditable(false);
GridData gridData = new GridData();
gridData.grabExcessHorizontalSpace = true;
gridData.widthHint = 200;
txtName.setLayoutData(gridData);