Package adams.gui.core

Class RecentSQLStatementsHandler<M>

java.lang.Object

adams.core.logging.LoggingObject

adams.gui.core.AbstractRecentItemsHandler<M,SQLStatement>

adams.gui.core.RecentSQLStatementsHandler<M>

All Implemented Interfaces:

LoggingSupporter, SizeOfHandler, Serializable

public class RecentSQLStatementsHandler<M>
extends AbstractRecentItemsHandler<M,SQLStatement>

A class that handles a list of recent SQL statements.

Version:

$Revision$

Author:

fracpete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static String	RECENTSTATEMENTS_COUNT	the property for storing the number of recent statements.
static String	RECENTSTATEMENTS_PREFIX	the property prefix for a recent statement.

Fields inherited from class adams.gui.core.AbstractRecentItemsHandler

m_AddShortcuts, m_IgnoreChanges, m_Listeners, m_MaxCount, m_Menu, m_PropertiesFile, m_PropertyPrefix, m_RecentItems

Fields inherited from class adams.core.logging.LoggingObject

m_Logger, m_LoggingIsEnabled, m_LoggingLevel

Constructor Summary

Constructors

Constructor	Description
RecentSQLStatementsHandler(String propsFile, int maxCount, M menu)	Initializes the handler.
RecentSQLStatementsHandler(String propsFile, String propPrefix, int maxCount, M menu)	Initializes the handler.
RecentSQLStatementsHandler(String propsFile, M menu)	Initializes the handler with a maximum of 5 items.

Method Summary

Modifier and Type	Method	Description
protected String	createMenuItemText(int index, SQLStatement item)	Generates the text for the menuitem.
protected SQLStatement	fromString(String s)	Turns the string obtained from the props into an object again.
protected String	getCountKey()	Returns the key to use for the counts in the props file.
protected String	getItemPrefix()	Returns the key prefix to use for the items in the props file.
protected String	toString(SQLStatement obj)	Turns an object into a string for storing in the props.

Methods inherited from class adams.gui.core.AbstractRecentItemsHandler

addRecentItem, addRecentItemListener, check, doUpdateMenu, expand, getAddShortcuts, getMaxCount, getMenu, getPropertiesFile, getPropertyPrefix, getRecentItems, loadProps, notifyRecentItemListenersOfAdd, notifyRecentItemListenersOfSelect, postUpdateMenu, preUpdateMenu, readProps, removeAll, removeRecentItem, removeRecentItemListener, setAddShortcuts, size, updateMenu, writeProps

Methods inherited from class adams.core.logging.LoggingObject

configureLogger, getLogger, getLoggingLevel, initializeLogging, isLoggingEnabled, sizeOf

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

RECENTSTATEMENTS_COUNT

public static final String RECENTSTATEMENTS_COUNT

the property for storing the number of recent statements.

See Also:

Constant Field Values

RECENTSTATEMENTS_PREFIX

public static final String RECENTSTATEMENTS_PREFIX

the property prefix for a recent statement.

See Also:

Constant Field Values

Constructor Detail

RecentSQLStatementsHandler

public RecentSQLStatementsHandler(String propsFile,
                                  M menu)

Initializes the handler with a maximum of 5 items.

Parameters:

propsFile - the props file to store the files in

menu - the menu to add the recent files as subitems to

RecentSQLStatementsHandler

public RecentSQLStatementsHandler(String propsFile,
                                  int maxCount,
                                  M menu)

Initializes the handler.

Parameters:

propsFile - the props file to store the files in

maxCount - the maximum number of files to keep in menu

menu - the menu to add the recent files as subitems to

RecentSQLStatementsHandler

public RecentSQLStatementsHandler(String propsFile,
                                  String propPrefix,
                                  int maxCount,
                                  M menu)

Initializes the handler.

Parameters:

propsFile - the props file to store the files in

propPrefix - the properties prefix, use null to ignore

maxCount - the maximum number of files to keep in menu

menu - the menu to add the recent files as subitems to

Method Detail

getCountKey

protected String getCountKey()

Returns the key to use for the counts in the props file.

Specified by:

getCountKey in class AbstractRecentItemsHandler<M,SQLStatement>

Returns:

the key

getItemPrefix

protected String getItemPrefix()

Returns the key prefix to use for the items in the props file.

Specified by:

getItemPrefix in class AbstractRecentItemsHandler<M,SQLStatement>

Returns:

the prefix

toString

protected String toString(SQLStatement obj)

Turns an object into a string for storing in the props.

Specified by:

toString in class AbstractRecentItemsHandler<M,SQLStatement>

Parameters:

obj - the object to convert

Returns:

the string representation

fromString

protected SQLStatement fromString(String s)

Turns the string obtained from the props into an object again.

Specified by:

fromString in class AbstractRecentItemsHandler<M,SQLStatement>

Parameters:

s - the string representation

Returns:

the parsed object

createMenuItemText

protected String createMenuItemText(int index,
                                    SQLStatement item)

Generates the text for the menuitem.

Specified by:

createMenuItemText in class AbstractRecentItemsHandler<M,SQLStatement>

Parameters:

index - the index of the item

item - the item itself

Returns:

the generated text