How to use

FieldScreenManager

in

com.atlassian.jira.issue.fields.screen

private FieldScreen getFieldScreen()
{
  if (fieldScreen == null && fieldScreenId != null)
  {
    fieldScreen = fieldScreenManager.getFieldScreen(fieldScreenId);
  }
  return fieldScreen;
}

private List<FieldScreenTab> getInternalTabs()
{
  if (tabs == null)
  {
    tabs = fieldScreenManager.getFieldScreenTabs(this);
  }
  return tabs;
}

public Collection getFieldScreens()
{
  if (fieldScreens == null)
  {
    fieldScreens = fieldScreenManager.getFieldScreens();
  }
  return fieldScreens;
}

public void remove()
{
  for (FieldScreenTab fieldScreenTab : getInternalTabs())
  {
    fieldScreenManager.removeFieldScreenLayoutItems(fieldScreenTab);
  }
  fieldScreenManager.removeFieldScreenTabs(this);
  fieldScreenManager.removeFieldScreen(id);
}

@Override
public void removeScreen(Long screenId)
{
  fieldScreenManager.removeFieldScreen(screenId);
}

public void store()
{
  if (isModified())
  {
    if (id == null)
    {
      getFieldScreenManager().createFieldScreenLayoutItem(this);
    }
    else
    {
      getFieldScreenManager().updateFieldScreenLayoutItem(this);
      setModified(false);
    }
  }
}

public void store()
{
  if (isModified())
  {
    if (getGenericValue() == null)
    {
      fieldScreenManager.createFieldScreen(this);
    }
    else
    {
      fieldScreenManager.updateFieldScreen(this);
      setModified(false);
    }
  }
  // See if the tabs collection has been initialised, and if so if we neew to persist any of the tabs
  // If the collection has not been initialised the tabs have not been modified
  if (tabs != null)
  {
    for (FieldScreenTab fieldScreenTab : getInternalTabs())
    {
      fieldScreenTab.store();
    }
  }
}

public void addFieldScreenLayoutItem(String orderableFieldId, int position)
{
  FieldScreenLayoutItem fieldScreenLayoutItem = fieldScreenManager.buildNewFieldScreenLayoutItem(orderableFieldId);
  fieldScreenLayoutItem.setFieldScreenTab(this);
  getInternalLayoutItems().add(position, fieldScreenLayoutItem);
  getInternalLayoutItemsMap().put(fieldScreenLayoutItem.getFieldId(), fieldScreenLayoutItem);
  resequence(position);
  store();
}

public FieldScreen getFieldScreen()
{
  return fieldScreenManager.getFieldScreen(fieldScreenId);
}

public Collection getFieldScreens()
{
  if (fieldScreens == null)
  {
    fieldScreens = fieldScreenManager.getFieldScreens();
  }
  return fieldScreens;
}

private List<Long> getListOfCurrentTabs(final Long customFieldId)
{
  return ImmutableList.copyOf(Iterables.transform(fieldScreenManager.getFieldScreenTabs("customfield_" + customFieldId), new Function<FieldScreenTab, Long>()
  {
    @Override
    public Long apply(final FieldScreenTab input)
    {
      return input.getId();
    }
  }));
}

private FieldScreen getFieldScreen()
{
  return fieldScreenManager.getFieldScreen(new Long(getView()));
}

public Collection<FieldScreen> getFieldScreens()
{
  if (fieldScreens == null)
  {
    fieldScreens = fieldScreenManager.getFieldScreens();
  }
  return fieldScreens;
}

public Collection getFieldScreenTabs(OrderableField orderableField)
{
  String fieldId = orderableField.getId();
  if (!fieldScreenTabMap.containsKey(fieldId))
  {
    fieldScreenTabMap.put(fieldId, fieldScreenManager.getFieldScreenTabs(orderableField.getId()));
  }
  return (Collection) fieldScreenTabMap.get(fieldId);
}

private FieldScreen getFieldScreen()
{
  return fieldScreenManager.getFieldScreen(new Long(getView()));
}

public Collection getFieldScreens()
{
  if (fieldScreens == null)
  {
    fieldScreens = fieldScreenManager.getFieldScreens();
  }
  return fieldScreens;
}

public Collection getFieldScreenTabs(OrderableField orderableField)
{
  String fieldId = orderableField.getId();
  if (!fieldScreenTabMap.containsKey(fieldId))
  {
    fieldScreenTabMap.put(fieldId, fieldScreenManager.getFieldScreenTabs(orderableField.getId()));
  }
  return (Collection) fieldScreenTabMap.get(fieldId);
}

public FieldScreen getFieldScreen()
{
  if (fieldScreen == null && getId() != null)
  {
    fieldScreen = fieldScreenManager.getFieldScreen(getId());
  }
  return fieldScreen;
}

public Collection<FieldScreen> getFieldScreens()
{
  return fieldScreenManager.getFieldScreens();
}

/**
 * Gets the tab Ids of the tabs with the particular field
 *
 */
private Long[] getStoredTabIdsForField()
{
  List selectedTabs = new ArrayList(fieldScreenManager.getFieldScreenTabs(getField().getId()));
  Long[] newAssociatedTabs = null;
  if (selectedTabs != null && !selectedTabs.isEmpty())
  {
    newAssociatedTabs = new Long[selectedTabs.size()];
    for (int i = 0; i < newAssociatedTabs.length; i++)
    {
      final FieldScreenTab tab = (FieldScreenTab) selectedTabs.get(i);
      newAssociatedTabs[i] = tab.getId();
    }
  }
  return newAssociatedTabs;
}