springcome

public class EmailValidatorSample {

    private Canvas drawForm() {
        TextItem email = new TextItem("email");
        email.setWidth("*");
        email.setValidators(emailValidator());
    }

    private RegExpValidator emailValidator() {
        return new RegExpValidator("^([a-zA-Z0-9_.\\-+])+@(([a-zA-Z0-9\\-])+\\.)+[a-zA-Z0-9]{2,4}$");

springcome

BigDecimal one = BigDecimal.ONE;
BigDecimal zero = BigDecimal.ZERO;


// 같으면 참
if (one.compareTo(zero) == 0) {
  // one이랑 zero가 같음
}

// 크면 참

springcome

Date a, b;   // assume these are set to something
Date d;      // the date in question

return a.compareTo(d) * d.compareTo(b) > 0;

springcome

// ListGrid의 Record checkbox에 대한 설정을 변경한다.
// setAttribute("canSelect", false or true);
// 레코드의 checkbox를 보이거나 보이지 않게 설정한다.
Record [] records = ListGrid.getRecords();
for (Record record : records) {
  record.setAttribute("canSelect", false);
}

springcome

UPDATE table_name SET clob_column = clob_column || CHR(10) || 'append' WHERE id_column = 1

springcome

UPDATE table_name SET clob_column = clob_column + 'append' WHERE id_column = 1

springcome

tree.addRecordClickHandler(new RecordClickHandler() {
  
  @Override
  public void onRecordClick(RecordClickEvent event) {
    TreeNode node = tree.getSelectRecord();
    if (tree.getTree().isFolder(node)) {
      // 폴더
    } else {
      // 폴더아님
    }

springcome

btnClear.addClickHandler(new ClickHandler() {

	@Override
	public void onClick(ClickEvent event) {
		listGrid.setData(new Record[]{});
	}
});

springcome

treeGrid.setContextMenu(menu);

springcome

MenuItem addItem = new MenuItem("ADD");
MenuItem delItem = new MenuItem("Delete");
Menu menu = new Menu();
menu.setItems(addItem, delItem);

// ContextMenu에 구분선 넣기 (참고사항)
MenuItemSeparator separator = new MenuItemSeparator();
menu.addItem(separator);