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# Interface jclass.bwt.JCListInterface

public interface JCListInterface
extends JCItemSelectable

An interface which defines the API for components which have a list-like behavior.

See Also:
  JCList, JCMultiColumnList

##

addItem(Object)
  Adds a item to the end of the list.
addItem(Object, int)
  Adds the specified item to the end of the list.
allowsMultipleSelections()
  Returns true if this list allows multiple selections.
clear()
  Clears the list.
countItems()
  Returns the number of items in the list.
deleteItem(int)
  Deletes an item from the list.
deleteItems(int, int)
  Deletes multiple items from the list.
deselect(int)
  Deselects the item at the specified row.
getAutoSelect()
  Gets the AutoSelect value.
getItem(int)
  Gets the item associated with the specified row.
getItems()
  Gets the list's values.
getRows()
  Returns the number of visible lines in the list.
getSelectedBackground()
  Gets the list's SelectedBackground value.
getSelectedForeground()
  Gets the list's SelectedForeground value.
getSelectedIndex()
  Get the selected item on the list or BWTEnum.NOTFOUND if no item is selected.
getSelectedIndexes()
  Returns the selected indexes on the list, or null if no item is selected.
getSelectedItem()
  Returns the selected item on the list, or null if no item is selected.
getSelectedObjects()
  Returns the selected items on the list, or null if no items are selected.
getSpacing()
  Gets the spacing between items.
getTopRow()
  Gets the current top-most visible row.
getVisibleIndex()
  Gets the row of the item that was last made visible by the method makeVisible.
isSelected(int)
  Returns true if the item at the specified row has been selected; otherwise false.
makeVisible(int)
  Forces the item at the specified row to be visible.
replaceItem(Object, int)
  Replaces the item at the given row.
select(int)
  Selects the item at the specified row.
setAllowMultipleSelections(boolean)
  Sets whether this list should allow multiple selections or not.
setAutoSelect(boolean)
  If true, the item which currently has focus is also selected.
setItems(JCVector)
  Sets the list's values.
setRowHeight(int)
  Sets the height of each row (pixels).

  The value may be any int, or one of the following:

  If set to BWTEnum.VARIABLE, the height will be calculated individually for each row.

  If set to BWTEnum.FONT_HEIGHT (default), the height will be set to the height of the current font.

setSelectedBackground(Color)
  Sets the background color of selected rows.
setSelectedForeground(Color)
  Sets the foreground color of selected rows.
setSpacing(int)
  Sets the spacing between items.
setTopRow(int)
  Sets the top-most visible row.
setVisibleRows(int)
  Sets the number of visible rows.

##

countItems

      public abstract int countItems()

  Returns the number of items in the list.

  See Also:
    getItem

getItems

      public abstract JCVector getItems()

  Gets the list's values.

  See Also:
    setItems

setItems

      public abstract void setItems(JCVector items)

  Sets the list's values.

getItem

      public abstract Object getItem(int row)

  Gets the item associated with the specified row.

  Parameters:
    row - the position of the item
  See Also:
    countItems

addItem

      public abstract void addItem(Object item)

  Adds a item to the end of the list.

  Parameters:
    item - the item to be added

addItem

      public abstract void addItem(Object item,
                                   int row)

  Adds the specified item to the end of the list.

  Parameters:
    item - the item to be added
    row - the position at which to put in the item; if row is -1, or greater than the number of items in the list, the item is added to the end

replaceItem

      public abstract void replaceItem(Object item,
                                       int row)

  Replaces the item at the given row.

  Parameters:
    item - the new value to replace the existing item
    row - the position of the item to replace

clear

      public abstract void clear()

  Clears the list.

  See Also:
    deleteItem, deleteItems

deleteItem

      public abstract void deleteItem(int position)

  Deletes an item from the list.

deleteItems

      public abstract void deleteItems(int start,
                                       int end)

  Deletes multiple items from the list.

getSelectedIndex

      public abstract int getSelectedIndex()

  Get the selected item on the list or BWTEnum.NOTFOUND if no item is selected.

  See Also:
    select, deselect, isSelected

getSelectedIndexes

      public abstract int[] getSelectedIndexes()

  Returns the selected indexes on the list, or null if no item is selected.

  See Also:
    select, deselect, isSelected

getSelectedItem

      public abstract Object getSelectedItem()

  Returns the selected item on the list, or null if no item is selected.

  See Also:
    select, deselect, isSelected

getSelectedObjects

      public abstract Object[] getSelectedObjects()

  Returns the selected items on the list, or null if no items are selected.

  See Also:
    select, deselect, isSelected

select

      public abstract void select(int row)

  Selects the item at the specified row.

  Parameters:
    row - the position of the item to select
  See Also:
    getSelectedObjects, deselect, isSelected

getAutoSelect

      public abstract boolean getAutoSelect()

  Gets the AutoSelect value.

  See Also:
    setAutoSelect

setAutoSelect

      public abstract void setAutoSelect(boolean v)

  If true, the item which currently has focus is also selected.

  See Also:
    select

deselect

      public abstract void deselect(int row)

  Deselects the item at the specified row.

  Parameters:
    row - the position of the item to deselect
  See Also:
    select, getSelectedItem, isSelected

isSelected

      public abstract boolean isSelected(int row)

  Returns true if the item at the specified row has been selected; otherwise false.

  Parameters:
    row - the item to be checked
  See Also:
    select, deselect, isSelected

getSelectedBackground

      public abstract Color getSelectedBackground()

  Gets the list's SelectedBackground value.

  See Also:
    setSelectedBackground

setSelectedBackground

      public abstract void setSelectedBackground(Color v)

  Sets the background color of selected rows.

getSelectedForeground

      public abstract Color getSelectedForeground()

  Gets the list's SelectedForeground value.

  See Also:
    setSelectedForeground

setSelectedForeground

      public abstract void setSelectedForeground(Color v)

  Sets the foreground color of selected rows.

getRows

      public abstract int getRows()

  Returns the number of visible lines in the list.

setVisibleRows

      public abstract void setVisibleRows(int v)

  Sets the number of visible rows. If set to 0 (default), the list will attempt to resize itself so that all its items are visible.

  See Also:
    setItems

allowsMultipleSelections

      public abstract boolean allowsMultipleSelections()

  Returns true if this list allows multiple selections.

  See Also:
    setAllowMultipleSelections

setAllowMultipleSelections

      public abstract void setAllowMultipleSelections(boolean v)

  Sets whether this list should allow multiple selections or not.

  Parameters:
    v - the boolean to allow multiple selections
  See Also:
    allowsMultipleSelections

getVisibleIndex

      public abstract int getVisibleIndex()

  Gets the row of the item that was last made visible by the method makeVisible.

makeVisible

      public abstract void makeVisible(int row)

  Forces the item at the specified row to be visible.

  Parameters:
    row - the position of the item
  See Also:
    getVisibleIndex

getTopRow

      public abstract int getTopRow()

  Gets the current top-most visible row.

  See Also:
    setTopRow

setTopRow

      public abstract void setTopRow(int row)

  Sets the top-most visible row.

  See Also:
    makeVisible

setRowHeight

      public abstract void setRowHeight(int h)

  Sets the height of each row (pixels).

  The value may be any int, or one of the following:

  If set to BWTEnum.VARIABLE, the height will be calculated individually for each row.

  If set to BWTEnum.FONT_HEIGHT (default), the height will be set to the height of the current font.

getSpacing

      public abstract int getSpacing()

  Gets the spacing between items.

  See Also:
    setSpacing

setSpacing

      public abstract void setSpacing(int v)

  Sets the spacing between items. This value increases the HighlightThickness value.

  See Also:
    setHighlightThickness

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