weka.gui.sql

Class QueryPanel

java.lang.Object

java.awt.Component

java.awt.Container

javax.swing.JComponent

javax.swing.JPanel

weka.gui.sql.QueryPanel

All Implemented Interfaces:

java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable, java.util.EventListener, javax.accessibility.Accessible, javax.swing.event.CaretListener, ConnectionListener

public class QueryPanel
extends javax.swing.JPanel
implements ConnectionListener, javax.swing.event.CaretListener

Represents a panel for entering an SQL query.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class javax.swing.JPanel

javax.swing.JPanel.AccessibleJPanel

Nested classes/interfaces inherited from class javax.swing.JComponent

javax.swing.JComponent.AccessibleJComponent

Nested classes/interfaces inherited from class java.awt.Container

java.awt.Container.AccessibleAWTContainer

Nested classes/interfaces inherited from class java.awt.Component

java.awt.Component.AccessibleAWTComponent, java.awt.Component.BaselineResizeBehavior, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	HISTORY_NAME the name of the history.
protected javax.swing.JButton	m_ButtonClear the clear button.
protected javax.swing.JButton	m_ButtonExecute the execute button.
protected javax.swing.JButton	m_ButtonHistory the history button.
protected boolean	m_Connected whether we have a connection to a database or not.
protected DbUtils	m_DbUtils for working on the database.
protected javax.swing.DefaultListModel	m_History the query history.
protected java.util.HashSet<HistoryChangedListener>	m_HistoryChangedListeners the history listeners.
protected javax.swing.JFrame	m_Parent the parent of this panel.
protected java.util.HashSet<QueryExecuteListener>	m_QueryExecuteListeners the connection listeners.
protected javax.swing.JSpinner	m_SpinnerMaxRows the spinner for the maximum number of rows.
protected javax.swing.JTextArea	m_TextQuery the textarea for the query.
static java.lang.String	MAX_ROWS the name for the max rows in the history.

Fields inherited from class javax.swing.JComponent

listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW

Fields inherited from class java.awt.Component

accessibleContext, BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

Constructors

Constructor and Description
QueryPanel(javax.swing.JFrame parent) initializes the panel.

Method Summary

Modifier and Type	Method and Description
protected void	addHistory(java.lang.String s) adds the given string to the history (removes duplicates).
void	addHistoryChangedListener(HistoryChangedListener l) adds the given listener to the list of listeners.
void	addQueryExecuteListener(QueryExecuteListener l) adds the given listener to the list of listeners.
void	caretUpdate(javax.swing.event.CaretEvent event) Called when the caret position is updated.
void	clear() clears the textarea.
void	connectionChange(ConnectionEvent evt) This method gets called when the connection is either established or disconnected.
protected void	createPanel() creates the panel with all its components.
void	execute() executes the current query.
javax.swing.DefaultListModel	getHistory() returns the history.
int	getMaxRows() returns the current value for the maximum number of rows. 0 means unlimited.
java.lang.String	getQuery() returns the currently displayed query.
protected void	notifyHistoryChangedListeners() notifies the history listeners of the event.
protected void	notifyQueryExecuteListeners(java.sql.ResultSet rs, java.lang.Exception ex) notifies the listeners of the event.
void	removeHistoryChangedListener(HistoryChangedListener l) removes the given listener from the list of listeners.
void	removeQueryExecuteListener(QueryExecuteListener l) removes the given listener from the list of listeners.
protected void	setButtons() sets the buttons according to the connected-state.
void	setFocus() sets the focus in a designated control.
void	setHistory(javax.swing.DefaultListModel history) sets the local history to the given one.
void	setMaxRows(int rows) sets the maximum number of rows to display. 0 means unlimited.
void	setQuery(java.lang.String query) sets the query in the textarea.
void	showHistory() displays the query history.

Methods inherited from class javax.swing.JPanel

getAccessibleContext, getUI, getUIClassID, paramString, setUI, updateUI

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, hide, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingOrigin, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, transferFocusDownCycle, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle

Methods inherited from class java.lang.Object

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

Field Detail

HISTORY_NAME

public static final java.lang.String HISTORY_NAME

the name of the history.

See Also:

Constant Field Values

MAX_ROWS

public static final java.lang.String MAX_ROWS

the name for the max rows in the history.

See Also:

Constant Field Values

m_Parent

protected javax.swing.JFrame m_Parent

the parent of this panel.

m_TextQuery

protected javax.swing.JTextArea m_TextQuery

the textarea for the query.

m_ButtonExecute

protected javax.swing.JButton m_ButtonExecute

the execute button.

m_ButtonClear

protected javax.swing.JButton m_ButtonClear

the clear button.

m_ButtonHistory

protected javax.swing.JButton m_ButtonHistory

the history button.

m_SpinnerMaxRows

protected javax.swing.JSpinner m_SpinnerMaxRows

the spinner for the maximum number of rows.

m_QueryExecuteListeners

protected java.util.HashSet<QueryExecuteListener> m_QueryExecuteListeners

the connection listeners.

m_HistoryChangedListeners

protected java.util.HashSet<HistoryChangedListener> m_HistoryChangedListeners

the history listeners.

m_DbUtils

protected DbUtils m_DbUtils

for working on the database.

m_Connected

protected boolean m_Connected

whether we have a connection to a database or not.

m_History

protected javax.swing.DefaultListModel m_History

the query history.

Constructor Detail

QueryPanel

public QueryPanel(javax.swing.JFrame parent)

initializes the panel.

Parameters:

parent - the parent of this panel

Method Detail

createPanel

protected void createPanel()

creates the panel with all its components.

setFocus

public void setFocus()

sets the focus in a designated control.

setButtons

protected void setButtons()

sets the buttons according to the connected-state.

connectionChange

public void connectionChange(ConnectionEvent evt)

This method gets called when the connection is either established or disconnected.

Specified by:

connectionChange in interface ConnectionListener

Parameters:

evt - the event

execute

public void execute()

executes the current query.

clear

public void clear()

clears the textarea.

addHistory

protected void addHistory(java.lang.String s)

adds the given string to the history (removes duplicates).

Parameters:

s - the string to add

setHistory

public void setHistory(javax.swing.DefaultListModel history)

sets the local history to the given one.

Parameters:

history - the history to use

getHistory

public javax.swing.DefaultListModel getHistory()

returns the history.

Returns:

the current history

showHistory

public void showHistory()

displays the query history.

setQuery

public void setQuery(java.lang.String query)

sets the query in the textarea.

Parameters:

query - the query to display

getQuery

public java.lang.String getQuery()

returns the currently displayed query.

Returns:

the query

setMaxRows

public void setMaxRows(int rows)

sets the maximum number of rows to display. 0 means unlimited.

Parameters:

rows - the maximum number of rows

getMaxRows

public int getMaxRows()

returns the current value for the maximum number of rows. 0 means unlimited.

Returns:

the maximum number of rows

addQueryExecuteListener

public void addQueryExecuteListener(QueryExecuteListener l)

adds the given listener to the list of listeners.

Parameters:

l - the listener to add to the list

removeQueryExecuteListener

public void removeQueryExecuteListener(QueryExecuteListener l)

removes the given listener from the list of listeners.

Parameters:

l - the listener to remove

notifyQueryExecuteListeners

protected void notifyQueryExecuteListeners(java.sql.ResultSet rs,
                                           java.lang.Exception ex)

notifies the listeners of the event.

Parameters:

rs - the resultset

ex - the exception

addHistoryChangedListener

public void addHistoryChangedListener(HistoryChangedListener l)

adds the given listener to the list of listeners.

Parameters:

l - the listener to add to the list

removeHistoryChangedListener

public void removeHistoryChangedListener(HistoryChangedListener l)

removes the given listener from the list of listeners.

Parameters:

l - the listener to remove

notifyHistoryChangedListeners

protected void notifyHistoryChangedListeners()

notifies the history listeners of the event.

caretUpdate

public void caretUpdate(javax.swing.event.CaretEvent event)

Called when the caret position is updated.

Specified by:

caretUpdate in interface javax.swing.event.CaretListener

Parameters:

event - the event