Package org.jdesktop.swingx.table

Class ColumnControlButton.ColumnVisibilityAction

  • All Implemented Interfaces:
    java.awt.event.ActionListener, java.awt.event.ItemListener, java.io.Serializable, java.lang.Cloneable, java.util.EventListener, javax.swing.Action
    Enclosing class:
    ColumnControlButton
    public class ColumnControlButton.ColumnVisibilityAction
extends AbstractActionExt
    A specialized Action which takes care of keeping in synch with TableColumn state. NOTE: client must call releaseColumn if this action is no longer needed!
    See Also:
    Serialized Form

    • Field Detail

      • column

        private javax.swing.table.TableColumn column

      • columnListener

        private java.beans.PropertyChangeListener columnListener

      • fromColumn

        private boolean fromColumn
        flag to distinguish selection changes triggered by column's property change from those triggered by user interaction. Hack around #212-swingx.

    • Constructor Detail

      • ColumnVisibilityAction

        public ColumnVisibilityAction​(javax.swing.table.TableColumn column)
        Creates a action synched to the table column.
        Parameters:
        column - the TableColumn to keep synched to.

    • Method Detail

      • releaseColumn

        public void releaseColumn()
        Releases all references to the synched TableColumn. Client code must call this method if the action is no longer needed. After calling this action must not be used any longer.

      • isEnabled

        public boolean isEnabled()
        Returns true if the action is enabled. Returns true only if the action is enabled and the table column can be controlled.
        Specified by:
        isEnabled in interface javax.swing.Action
        Overrides:
        isEnabled in class javax.swing.AbstractAction
        Returns:
        true if the action is enabled, false otherwise
        See Also:
        canControlColumn()

      • canControlColumn

        protected boolean canControlColumn()
        Returns flag to indicate if column's visibility can be controlled. Minimal requirement is that column is of type TableColumnExt.
        Returns:
        boolean to indicate if columns's visibility can be controlled.

      • itemStateChanged

        public void itemStateChanged​(java.awt.event.ItemEvent e)
        Description copied from class: AbstractActionExt
        Callback method as ItemListener. Updates internal state based on the given ItemEvent.

        Here: synchs selected property if isStateAction(), does nothing otherwise.

        Specified by:
        itemStateChanged in interface java.awt.event.ItemListener
        Overrides:
        itemStateChanged in class AbstractActionExt
        Parameters:
        e - the ItemEvent fired by a ItemSelectable on changing the selected state.

      • setSelected

        public void setSelected​(boolean newValue)
        Description copied from class: AbstractActionExt
        Changes the state of the action. This is a convenience method for updating the Action via the value map.
        Overrides:
        setSelected in class AbstractActionExt
        Parameters:
        newValue - true to set the action as selected of the action.
        See Also:
        Action.SELECTED_KEY

      • actionPerformed

        public void actionPerformed​(java.awt.event.ActionEvent e)
        Does nothing. Synch from action state to TableColumn state is done in itemStateChanged.

      • updateFromColumnVisible

        private void updateFromColumnVisible​(boolean visible)
        Synchs selected property to visible. This is called on change of tablecolumn's visible property.
        Parameters:
        visible - column visible state to synch to.

      • updateFromColumnHideable

        protected void updateFromColumnHideable​(boolean hideable)

      • updateFromColumnHeader

        private void updateFromColumnHeader​(java.lang.Object value)
        Synchs name property to value. This is called on change of tableColumn's headerValue property.
        Parameters:
        value -

      • reselect

        private void reselect()
        Enforces selected to true. Called if user interaction tried to de-select the last single visible column.

      • installColumn

        private void installColumn​(javax.swing.table.TableColumn column)

      • getColumnListener

        protected java.beans.PropertyChangeListener getColumnListener()
        Returns the listener to column's property changes. The listener is created lazily if necessary.
        Returns:
        the PropertyChangeListener listening to TableColumn's property changes, guaranteed to be not null.

      • createPropertyChangeListener

        protected java.beans.PropertyChangeListener createPropertyChangeListener()
        Creates and returns the listener to column's property changes. Subclasses are free to roll their own.

        Implementation note: this listener reacts to column's visible and headerValue properties and calls the respective updateFromXX methodes.

        Returns:
        the PropertyChangeListener to use with the column