Getting the value of a key pressed
This is a pretty simple question, but one which I can't seem to find the answer to...
How do you determine which key (or keys) have been pressed with the keyboard down event?
My app generates lists of files that match certain criteria, and I'd like the user to be able to Quicklook the files, before deciding which ones to open...
I have it working where the user has to click a button, but I'd like to intercept the spacebar, and activate QL that way.
To clarify, you want something like this:
"if key pressed is "option" then (do something)" ??
For this, I've used two things on a PPC running 10.3 and 10.4.
One is a scripting addition from Jon's Commands, a free download. The specific command is "keys pressed." Although I don't have an Intel machine, I was trying to look ahead and contacted the developer, Jon Pugh, who replied that it was unlikely this would be updated for Intel. (It might work on PPC 10.5, don't know. But it looks like you could try it on your non-Intel machines.)
The other is an application called "Extra Suites." This is not free, but does have quite a few interesting commands, including "keys down." The original version, released some years ago, is not for Intel (don't know about 10.5). but the developer reports that he is trying for an Intel release early this year. You can download the PPC version via Versiontracker or MacUpdate, but the developer's website (http://www.kanzu.com/) was last updated in 2004. I contacted him by a link on that site, which is how I learned of the impending Intel update (and website update, he said). He seemed to be looking for people to test the Intel version, so you might try contacting him.
I may be wrong, but I think the "keyboard down event" that you mention is used in the opposite sense (in a System Events tell block), e.g, 'keystroke "r" using command down' which has the script "press" r, if for some reason you want that.
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Now i am trying to get the value and i get an exception
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NullPointerException - Cannot get the value from variable f_cashGiven
In SubCheckout.java (a POS), what I want is when Payment button (f_cashPayment) is pressed, the action "Cash" is performed, get the value from Cash Given (f_cashGiven), do the subtraction and post the value as Cash Return (f_cashReturn). The code is filled in actionPerformed. But I cannot get the value by using f_cashGiven.getValue() from VNumber class. It returns NULL. This should be quite straight forward, but I do not know what is wrong. Please help!
Enclosed please find the source code of SubCheckout.java and VNumber.java
This is the code of SubCheckout.java :
* The contents of this file are subject to the Compiere License Version 1.1
* ("License"); You may not use this file except in compliance with the License
* You may obtain a copy of the License at http://www.compiere.org/license.html
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
* the specific language governing rights and limitations under the License.
* The Original Code is Compiere ERP & CRM Smart Business Solution. The Initial
* Developer of the Original Code is Jorg Janke. Portions created by Jorg Janke
* are Copyright (C) 1999-2005 Jorg Janke.
* All parts are Copyright (C) 1999-2005 ComPiere, Inc. All Rights Reserved.
* Contributor(s): ______________________________________.
package org.compiere.pos;
import java.awt.*;
import java.awt.event.*;
import java.math.BigDecimal;
import javax.swing.border.*;
import org.compiere.grid.ed.*;
import org.compiere.swing.*;
import org.compiere.util.*;
* POS Checkout Sub Panel
* @author Jorg Janke
* @version $Id: SubCheckout.java,v 1.3 2005/03/11 20:28:22 jjanke Exp $
public class SubCheckout extends PosSubPanel implements ActionListener
* Constructor
* @param posPanel POS Panel
public SubCheckout (PosPanel posPanel)
super (posPanel);
} // PosSubCheckout
private CButton f_register = null;
private CButton f_summary = null;
private CButton f_process = null;
private CButton f_print = null;
private CLabel f_lcreditCardNumber = null;
private CTextField f_creditCardNumber = null;
private CLabel f_lcreditCardExp = null;
private CTextField f_creditCardExp = null;
private CLabel f_lcreditCardVV = null;
private CTextField f_creditCardVV = null;
private CButton f_cashPayment = null;
private CLabel f_lcashGiven = null;
private VNumber f_cashGiven = null;
private CLabel f_lcashReturn = null;
private VNumber f_cashReturn = null;
private CButton f_creditPayment = null;
/** Logger */
private static CLogger log = CLogger.getCLogger(SubCheckout.class);
* Initialize
public void init()
// Title
TitledBorder border = new TitledBorder(Msg.getMsg(Env.getCtx(), "Checkout"));
setBorder(border);
// Content
setLayout(new GridBagLayout());
GridBagConstraints gbc = new GridBagConstraints();
gbc.insets = INSETS2;
// -- 0
gbc.gridx = 0;
f_register = createButtonAction("Register", null);
gbc.gridy = 0;
add (f_register, gbc);
f_summary = createButtonAction("Summary", null);
gbc.gridy = 1;
add (f_summary, gbc);
f_process = createButtonAction("Process", null);
gbc.gridy = 2;
add (f_process, gbc);
f_print = createButtonAction("Print", null);
gbc.gridy = 3;
add (f_print, gbc);
// -- 1 -- Cash
gbc.gridx = 1;
gbc.gridheight = 2;
gbc.fill = GridBagConstraints.BOTH;
gbc.weightx = .1;
CPanel cash = new CPanel(new GridBagLayout());
cash.setBorder(new TitledBorder(Msg.getMsg(Env.getCtx(), "Cash")));
gbc.gridy = 0;
add (cash, gbc);
GridBagConstraints gbc0 = new GridBagConstraints();
gbc0.insets = INSETS2;
gbc0.anchor = GridBagConstraints.WEST;
f_lcashGiven = new CLabel(Msg.getMsg(Env.getCtx(),"CashGiven"));
cash.add (f_lcashGiven, gbc0);
f_cashGiven = new VNumber("CashGiven", false, false, true, DisplayType.Amount,
Msg.translate(Env.getCtx(), "CashGiven"));
f_cashGiven.addActionListener(this);
f_cashGiven.setColumns(10, 25);
cash.add (f_cashGiven, gbc0);
f_cashGiven.setValue(Env.ZERO);
f_lcashReturn = new CLabel(Msg.getMsg(Env.getCtx(),"CashReturn"));
cash.add (f_lcashReturn, gbc0);
f_cashReturn = new VNumber("CashReturn", false, true, false, DisplayType.Amount,
"CashReturn");
f_cashReturn.setColumns(10, 25);
cash.add (f_cashReturn, gbc0);
f_cashReturn.setValue(Env.ZERO);
f_cashPayment = createButtonAction("Payment", null);
f_cashPayment.setActionCommand("Cash");
gbc0.anchor = GridBagConstraints.EAST;
gbc0.weightx = 0.1;
cash.add (f_cashPayment, gbc0);
// -- 1 -- Creditcard
CPanel creditcard = new CPanel(new GridBagLayout());
creditcard.setBorder(new TitledBorder(Msg.translate(Env.getCtx(), "CreditCardType")));
gbc.gridy = 2;
add (creditcard, gbc);
GridBagConstraints gbc1 = new GridBagConstraints();
gbc1.insets = INSETS2;
gbc1.anchor = GridBagConstraints.WEST;
gbc1.gridx = 0;
gbc1.gridy = 0;
f_lcreditCardNumber = new CLabel(Msg.translate(Env.getCtx(), "CreditCardNumber"));
creditcard.add (f_lcreditCardNumber, gbc1);
gbc1.gridy = 1;
f_creditCardNumber = new CTextField(18);
creditcard.add (f_creditCardNumber, gbc1);
gbc1.gridx = 1;
gbc1.gridy = 0;
f_lcreditCardExp = new CLabel(Msg.translate(Env.getCtx(),"CreditCardExp"));
creditcard.add (f_lcreditCardExp, gbc1);
gbc1.gridy = 1;
f_creditCardExp = new CTextField(5);
creditcard.add (f_creditCardExp, gbc1);
gbc1.gridx = 2;
gbc1.gridy = 0;
f_lcreditCardVV = new CLabel(Msg.translate(Env.getCtx(), "CreditCardVV"));
creditcard.add (f_lcreditCardVV, gbc1);
gbc1.gridy = 1;
f_creditCardVV = new CTextField(5);
creditcard.add (f_creditCardVV, gbc1);
gbc1.gridx = 3;
gbc1.gridy = 0;
gbc1.gridheight = 2;
f_creditPayment = createButtonAction("Payment", null);
f_creditPayment.setActionCommand("CreditCard");
gbc1.anchor = GridBagConstraints.EAST;
gbc1.weightx = 0.1;
creditcard.add (f_creditPayment, gbc1);
} // init
* Get Panel Position
public GridBagConstraints getGridBagConstraints()
GridBagConstraints gbc = super.getGridBagConstraints();
gbc.gridx = 0;
gbc.gridy = 3;
return gbc;
} // getGridBagConstraints
* Dispose - Free Resources
public void dispose()
super.dispose();
} // dispose
* Action Listener
* @param e event
public void actionPerformed (ActionEvent e)
String action = e.getActionCommand();
if (action == null || action.length() == 0)
return;
log.info( "PosSubCheckout - actionPerformed: " + action);
if (e.getSource() == f_cashGiven) {
f_cashGiven.setValue(f_cashGiven.getValue());
System.out.println("f_cashGiven"+f_cashGiven.getDisplay());
// Register
// Summary
// Print
if (action.equals("Cash")) {
BigDecimal CashGiven, GrandTotal, CashReturn;
System.out.println("Cash given is "+f_cashGiven.getDisplay());
CashGiven = (BigDecimal)f_cashGiven.getValue();
GrandTotal = (BigDecimal)p_posPanel.f_curLine.getOrder().getGrandTotal();
CashReturn = CashGiven.subtract(GrandTotal);
f_cashReturn.setValue(CashReturn);
// Cash (Payment)
// CreditCard (Payment)
} // actionPerformed
} // PosSubCheckoutThis is the code of VNumber.java :
* The contents of this file are subject to the Compiere License Version 1.1
* ("License"); You may not use this file except in compliance with the License
* You may obtain a copy of the License at http://www.compiere.org/license.html
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
* the specific language governing rights and limitations under the License.
* The Original Code is Compiere ERP & CRM Smart Business Solution. The Initial
* Developer of the Original Code is Jorg Janke. Portions created by Jorg Janke
* are Copyright (C) 1999-2005 Jorg Janke.
* All parts are Copyright (C) 1999-2005 ComPiere, Inc. All Rights Reserved.
* Contributor(s): ______________________________________.
package org.compiere.grid.ed;
import java.awt.*;
import java.awt.event.*;
import java.beans.*;
import java.math.*;
import java.text.*;
import java.util.logging.*;
import javax.swing.*;
import javax.swing.text.*;
import org.compiere.apps.*;
import org.compiere.model.*;
import org.compiere.swing.*;
import org.compiere.util.*;
* Number Control
* @author Jorg Janke
* @version $Id: VNumber.java,v 1.41 2005/09/03 01:57:16 jjanke Exp $
public final class VNumber extends JComponent
implements VEditor, ActionListener, KeyListener, FocusListener
/** Number of Columns (12) */
public final static int SIZE = 12;
* IDE Bean Constructor
public VNumber()
this("Number", false, false, true, DisplayType.Number, "Number");
} // VNumber
* Create right aligned Number field.
* no popup, if WindowNo == 0 (for IDs)
* @param columnName column name
* @param mandatory mandatory
* @param isReadOnly read only
* @param isUpdateable updateable
* @param displayType display type
* @param title title
public VNumber(String columnName, boolean mandatory, boolean isReadOnly, boolean isUpdateable,
int displayType, String title)
super();
super.setName(columnName);
m_columnName = columnName;
m_title = title;
setDisplayType(displayType);
LookAndFeel.installBorder(this, "TextField.border");
this.setLayout(new BorderLayout());
// this.setPreferredSize(m_text.getPreferredSize()); // causes r/o to be the same length
// int height = m_text.getPreferredSize().height;
// setMinimumSize(new Dimension (30,height));
// *** Text ***
m_text.setBorder(null);
m_text.setHorizontalAlignment(JTextField.TRAILING);
m_text.addKeyListener(this);
m_text.addFocusListener(this);
// Background
setMandatory(mandatory);
this.add(m_text, BorderLayout.CENTER);
// *** Button ***
m_button.setIcon(Env.getImageIcon("Calculator10.gif"));
m_button.setMargin(new Insets(0, 0, 0, 0));
m_button.setFocusable(false);
m_button.addActionListener(this);
this.add (m_button, BorderLayout.EAST);
// Prefereed Size
this.setPreferredSize(this.getPreferredSize()); // causes r/o to be the same length
// Size
setColumns(SIZE, CComboBox.FIELD_HIGHT-4);
// ReadWrite
if (isReadOnly || !isUpdateable)
setReadWrite(false);
else
setReadWrite(true);
} // VNumber
* Dispose
public void dispose()
m_text = null;
m_button = null;
m_mField = null;
} // dispose
* Set Document
* @param doc document
protected void setDocument(Document doc)
m_text.setDocument(doc);
} // getDocument
private String m_columnName;
protected int m_displayType; // Currency / UoM via Context
private DecimalFormat m_format;
private String m_title;
private boolean m_setting;
private String m_oldText;
private String m_initialText;
private boolean m_rangeSet = false;
private Double m_minValue;
private Double m_maxValue;
private boolean m_modified = false;
/** The Field */
private CTextField m_text = new CTextField(SIZE); // Standard
/** The Button */
private CButton m_button = new CButton();
private MField m_mField = null;
/** Logger */
private static CLogger log = CLogger.getCLogger(VNumber.class);
* Set no of Columns
* @param columns columns
public void setColumns (int columns, int height)
m_text.setPreferredSize(null);
m_text.setColumns(columns);
Dimension size = m_text.getPreferredSize();
if (height > size.height) // default 16
size.height = height;
if (CComboBox.FIELD_HIGHT-4 > size.height)
size.height = VLookup.FIELD_HIGHT-4;
this.setPreferredSize(size); // causes r/o to be the same length
this.setMinimumSize(new Dimension (columns*10, size.height));
m_button.setPreferredSize(new Dimension(size.height, size.height));
} // setColumns
* Set Range with min & max
* @param minValue min value
* @param maxValue max value
* @return true, if accepted
public boolean setRange(Double minValue, Double maxValue)
m_rangeSet = true;
m_minValue = minValue;
m_maxValue = maxValue;
return m_rangeSet;
} // setRange
* Set Range with min & max = parse US style number w/o Gouping
* @param minValue min value
* @param maxValue max value
* @return true if accepted
public boolean setRange(String minValue, String maxValue)
if (minValue == null || maxValue == null)
return false;
try
m_minValue = Double.valueOf(minValue);
m_maxValue = Double.valueOf(maxValue);
catch (NumberFormatException nfe)
return false;
m_rangeSet = true;
return m_rangeSet;
} // setRange
* Set and check DisplayType
* @param displayType display type
public void setDisplayType (int displayType)
m_displayType = displayType;
if (!DisplayType.isNumeric(displayType))
m_displayType = DisplayType.Number;
m_format = DisplayType.getNumberFormat(displayType);
m_text.setDocument (new MDocNumber(displayType, m_format, m_text, m_title));
} // setDisplayType
* Set ReadWrite
* @param value value
public void setReadWrite (boolean value)
if (m_text.isReadWrite() != value)
m_text.setReadWrite(value);
if (m_button.isReadWrite() != value)
m_button.setReadWrite(value);
// Don't show button if not ReadWrite
if (m_button.isVisible() != value)
m_button.setVisible(value);
} // setReadWrite
* IsReadWrite
* @return true if rw
public boolean isReadWrite()
return m_text.isReadWrite();
} // isReadWrite
* Set Mandatory (and back bolor)
* @param mandatory mandatory
public void setMandatory (boolean mandatory)
m_text.setMandatory(mandatory);
} // setMandatory
* Is it mandatory
* @return true if mandatory
public boolean isMandatory()
return m_text.isMandatory();
} // isMandatory
* Set Background
* @param color color
public void setBackground(Color color)
m_text.setBackground(color);
} // setBackground
* Set Background
* @param error error
public void setBackground (boolean error)
m_text.setBackground(error);
} // setBackground
* Set Foreground
* @param fg foreground
public void setForeground(Color fg)
m_text.setForeground(fg);
} // setForeground
* Set Editor to value
* @param value value
public void setValue(Object value)
log.finest("Value=" + value);
if (value == null)
m_oldText = "";
else
m_oldText = m_format.format(value);
// only set when not updated here
if (m_setting)
return;
m_text.setText (m_oldText);
m_initialText = m_oldText;
m_modified = false;
} // setValue
* Property Change Listener
* @param evt event
public void propertyChange (PropertyChangeEvent evt)
if (evt.getPropertyName().equals(org.compiere.model.MField.PROPERTY))
setValue(evt.getNewValue());
} // propertyChange
* Return Editor value
* @return value value (big decimal or integer)
public Object getValue()
if (m_text == null || m_text.getText() == null || m_text.getText().length() == 0)
return null;
String value = m_text.getText();
// return 0 if text deleted
if (value == null || value.length() == 0)
if (!m_modified)
return null;
if (m_displayType == DisplayType.Integer)
return new Integer(0);
return Env.ZERO;
if (value.equals(".") || value.equals(",") || value.equals("-"))
value = "0";
try
Number number = m_format.parse(value);
value = number.toString(); // converts it to US w/o thousands
BigDecimal bd = new BigDecimal(value);
if (m_displayType == DisplayType.Integer)
return new Integer(bd.intValue());
if (bd.signum() == 0)
return bd;
return bd.setScale(m_format.getMaximumFractionDigits(), BigDecimal.ROUND_HALF_UP);
catch (Exception e)
log.log(Level.SEVERE, "Value=" + value, e);
if (m_displayType == DisplayType.Integer)
return new Integer(0);
return Env.ZERO;
} // getValue
* Return Display Value
* @return value
public String getDisplay()
return m_text.getText();
} // getDisplay
* Get Title
* @return title
public String getTitle()
return m_title;
} // getTitle
* Plus - add one.
* Also sets Value
* @return new value
public Object plus()
Object value = getValue();
if (value == null)
if (m_displayType == DisplayType.Integer)
value = new Integer(0);
else
value = Env.ZERO;
// Add
if (value instanceof BigDecimal)
value = ((BigDecimal)value).add(Env.ONE);
else
value = new Integer(((Integer)value).intValue() + 1);
setValue(value);
return value;
} // plus
* Minus - subtract one, but not below minimum.
* Also sets Value
* @param minimum minimum
* @return new value
public Object minus (int minimum)
Object value = getValue();
if (value == null)
if (m_displayType == DisplayType.Integer)
value = new Integer(minimum);
else
value = new BigDecimal(minimum);
setValue(value);
return value;
// Subtract
if (value instanceof BigDecimal)
BigDecimal bd = ((BigDecimal)value).subtract(Env.ONE);
BigDecimal min = new BigDecimal(minimum);
if (bd.compareTo(min) < 0)
value = min;
else
value = bd;
else
int i = ((Integer)value).intValue();
i--;
if (i < minimum)
i = minimum;
value = new Integer(i);
setValue(value);
return value;
} // minus
* Action Listener
* @param e event
public void actionPerformed (ActionEvent e)
log.config(e.getActionCommand());
if (ValuePreference.NAME.equals(e.getActionCommand()))
if (MRole.getDefault().isShowPreference())
ValuePreference.start (m_mField, getValue());
return;
if (e.getSource() == m_button)
m_button.setEnabled(false);
String str = startCalculator(this, m_text.getText(), m_format, m_displayType, m_title);
m_text.setText(str);
m_button.setEnabled(true);
try
fireVetoableChange (m_columnName, m_oldText, getValue());
catch (PropertyVetoException pve) {}
m_text.requestFocus();
} // actionPerformed
* Key Listener Interface
* @param e event
public void keyTyped(KeyEvent e) {}
public void keyPressed(KeyEvent e) {}
* Key Listener.
* - Escape - Restore old Text
* - firstChange - signal change
* @param e event
public void keyReleased(KeyEvent e)
log.finest("Key=" + e.getKeyCode() + " - " + e.getKeyChar()
+ " -> " + m_text.getText());
// ESC
if (e.getKeyCode() == KeyEvent.VK_ESCAPE)
m_text.setText(m_initialText);
m_modified = true;
m_setting = true;
try
if (e.getKeyCode() == KeyEvent.VK_ENTER) // 10
fireVetoableChange (m_columnName, m_oldText, getValue());
fireActionPerformed();
else // indicate change
fireVetoableChange (m_columnName, m_oldText, null);
catch (PropertyVetoException pve) {}
m_setting = false;
} // keyReleased
* Focus Gained
* @param e event
public void focusGained (FocusEvent e)
if (m_text != null)
m_text.selectAll();
} // focusGained
* Data Binding to MTable (via GridController.vetoableChange).
* @param e event
public void focusLost (FocusEvent e)
// log.finest(e.toString());
// APanel - Escape
if (e.getOppositeComponent() instanceof AGlassPane)
m_text.setText(m_initialText);
return;
try
fireVetoableChange (m_columnName, m_initialText, getValue());
fireActionPerformed();
catch (PropertyVetoException pve) {}
} // focusLost
* Invalid Entry - Start Calculator
* @param jc parent
* @param value value
* @param format format
* @param displayType display type
* @param title title
* @return value
public static String startCalculator(Container jc, String value,
DecimalFormat format, int displayType, String title)
log.config("Value=" + value);
BigDecimal startValue = new BigDecimal(0.0);
try
if (value != null && value.length() > 0)
Number number = format.parse(value);
startValue = new BigDecimal (number.toString());
catch (ParseException pe)
log.info("InvalidEntry - " + pe.getMessage());
// Find frame
Frame frame = Env.getFrame(jc);
// Actual Call
Calculator calc = new Calculator(frame, title,
displayType, format, startValue);
AEnv.showCenterWindow(frame, calc);
BigDecimal result = calc.getNumber();
log.config( "Result=" + result);
calc = null;
if (result != null)
return format.format(result);
else
return value; // original value
} // startCalculator
* Set Field/WindowNo for ValuePreference
* @param mField field
public void setField (MField mField)
m_mField = mField;
if (m_mField != null
&& MRole.getDefault().isShowPreference())
ValuePreference.addMenu (this, popupMenu);
} // setField
* Remove Action Listner
* @param l Action Listener
public void removeActionListener(ActionListener l)
listenerList.remove(ActionListener.class, l);
} // removeActionListener
* Add Action Listner
* @param l Action Listener
public void addActionListener(ActionListener l)
listenerList.add(ActionListener.class, l);
} // addActionListener
* Fire Action Event to listeners
protected void fireActionPerformed()
int modifiers = 0;
AWTEvent currentEvent = EventQueue.getCurrentEvent();
if (currentEvent instanceof InputEvent)
modifiers = ((InputEvent)currentEvent).getModifiers();
else if (currentEvent instanceof ActionEvent)
modifiers = ((ActionEvent)currentEvent).getModifiers();
ActionEvent ae = new ActionEvent (this, ActionEvent.ACTION_PERFORMED,
"VNumber", EventQueue.getMostRecentEventTime(), modifiers);
// Guaranteed to return a non-null array
Object[] listeners = listenerList.getListenerList();
// Process the listeners last to first, notifying those that are interested in this event
for (int i = listeners.length-2; i>=0; i-=2)
if (listeners==ActionListener.class)
((ActionListener)listeners[i+1]).actionPerformed(ae);
} // fireActionPerformed
} // VNumberIf getValue() returns null, you need to trace the execution of the code and figure out which sequence of code is leading to the return of null. This method looks complex - a lot of if statements. If you do not have a debugger, put System.out.println statements inside the method to figure out what's going on.
-
How to get the values from popup window to mainwindow
HI all,
I want to get the details from popup window.
i have three input fields and one search button in my main window. when i click search button it should display popup window.whenever i click on selected row of the popup window table ,values should be visible in my main window input fields.(normal tables)
now i am able to display popup window with values.How to get the values from popup window now.
I can anybody explain me clearly.
Thanks&Regards
kranthiHi Kranthi,
Every webdynpro component has a global controller called the component controller which is visible to all other controllers within the component.So whenever you want to share some data in between 2 different views you can just make it a point to use the component controller's context for the same. For your requirement (within your popups view context) you will have have to copy the component controllers context to your view. You then will have to (programmatically) fill this context with your desired data in this popup view. You can then be able to read this context from whichever view you want. I hope that this would have made it clear for you. Am also giving you an [example|http://****************/Tutorials/WebDynproABAP/Modalbox/page1.htm] which you can go through which would give you a perfect understanding of all this. In this example the user has an input field in the main view. The user enters a customer number & presses on a pushbutton. The corresponding sales orders are then displayed in a popup window for the user. The user can then select any sales order & press on a button in the popup. These values would then get copied to the table in the main view.
Regards,
Uday -
How to Get the values from Dynamic jasp page
Hi,
I have a jsp form page wherein i input the data form the user and get these values on the action servlet.
But now i have added a feature to Add and Delete the Elements using javascript and this creates a dynamic form on the jsp page. I want to Get the values of these all elements at the Action servet.
Please suggest the solution.
Thanks,
JavaQueuegetParameterMap() returns a Map[1] with all parameters; the parameter name is the key and the value is the value of the parameter in the form of String arrays.
You have to iterate over the Map and get values as you see fit. Search for a tutorial/ example/ sample for using Maps. I'm sure you'll find loads that will do a better job at explaining.
[1] http://java.sun.com/j2se/1.4.2/docs/api/java/util/Map.html
People on the forum help others voluntarily, it's not their job.
Help them help you.
Learn how to ask questions first: http://faq.javaranch.com/java/HowToAskQuestionsOnJavaRanch
---------------------------------------------------------------- -
How to get the value from a database without submitting a jsp page
I have a jsp which has a text box depending on the value entered I want to get the value from a database for other two fields with out submitting jsp page. I am using struts.
Thanks For any assistance provided.Alright,here is an example for you for the first case.
Present.jsp:
============
<html:html>
<head>
<title><html:message key="page.title"/></title>
</head>
<body>
<html:form action="ChangeEvent.do">
<html:hidden property="method"/>
<!-- Submitting the Form onKeyUp of EmpId field and trying to save the
state of the Form in the scope of session -->
Emp Id:<html:text property="empId" size="5" onkeyup="if(true){this.form.elements[0].value='populateDetails';this.form.submit();}"/>
Emp Name:<html:text property="empName" size="10" />
Email Address:<html:text property="email" size="10" />
<html:submit>Submit</html:submit>
</html:form>
</body>
</html:html>struts-config.xml:
==================
<?xml version="1.0" encoding="ISO-8859-1" ?>
<!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.1//EN" "http://jakarta.apache.org/struts/dtds/struts-config_1_1.dtd">
<struts-config>
<!-- Form bean which stores the properties of all the Form elements -->
<form-beans>
<form-bean name="employeeFormBean" type="org.apache.struts.action.DynaActionForm">
<form-property name="empId" type="java.lang.String"/>
<form-property name="empName" type="java.lang.String"/>
<form-property name="email" type="java.lang.String" />
</form-bean>
</form-bean>
<action-mappings>
<action path="/ChangeEvent" type="Test.GetChangeAction" name="employeeFormBean" scope="request" parameter="method">
<!-- On successful call of DB the Page has to be forwarded to the same page again by
uploading updated form bean values. -->
<forward name="success" path="/Present.jsp"></forward>
<forward name="failed" path="/error.jsp"></forward>
</action>
</action-mappings>
</struts-config>GetChangeAction.java:
=====================
public class GetChangeAction extends DispatchAction{
public ActionForward populateDetails(ActionMapping mapping,ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
DynaActionForm dForm = (DynaActionForm)form;
String empId = dForm.get("empId");
// calling Model / Db and then getting back Employee Details
EmployeeBean eb = ModelUtils.getDetails(empId);
// Updating form bean by updating values from the Model
dForm.set("empName".eb.getEmpName());
dForm.set("email".eb.getEmail());
return mapping.findForward("success");
}well to me this should work regardless to any browser but we need to make sure we put in our logic properly. -
How to get Multiple Values for a key from a session object?
Hi,
It might seem dumb but I am facing a problem here with the session object. I'll paste the session object's content from the netbeans "Local Variables" window for clarity -
Name Type Value
hsession StandardSessionFacade #66
session LWSFSession #69
inherited
attributes Hashtable #80
[0] Hashtable$Entry "cart"=>#115
key String "cart"
value DummyCart #115
item null
submit null
v Vector
[0] String Full Metal Jacket
[1] String As Good As It Gets
[2] String Tim
What I want is to get the values "Full Metal Jacket", "As Good As It Gets" and "Tim" from the session obejct?
The problem I am facing is that if I do a session.getAttribute("cart"), I'll get a single value in return. What will that value be? Will it be "item", "submit" or "v"? And if I want all the values in v above, how can I get them?
Thanks.None of the above.
HttpSession.getAttribute() will return what you put into it using HttpSession.setAttribute(). In your case, it'll return an Object which you need to cast to DummyCart. Then you can access the data in DummyCart using the API of the DummyCart class.
hth -
Get the values of hashmap in another class
Hi All,
i already posted this topic yesterday..But i did not get any helpful response..Kindly help me because I am new to java and I need some help regarding hashmap..
I have a one value object java class which name is HashTestingVO.java
*******************************************INPUT OF HashTestingVO.java***************************************
public class HashTestingVO extends PersistentVO implements ILegalWorkFlowACLVO {
public final static HashMap legalReviewPieceRelatedACLMap = new HashMap();
legalReviewPieceRelatedACLMap.put("Futhure Path Check","ereview_acl_piece_related_cat1");
legalReviewPieceRelatedACLMap.put("Send to Legal Review","ereview_acl_piece_related_cat1");
legalReviewPieceRelatedACLMap.put("Review Precondition","ereview_acl_piece_related_cat1");
Now i want to get the Hash Map values of this in another class called Testing.java class
Ex: i need the value like this in Testing.java
HashTestingVO obj=new HashTestingVO();
obj.get(Futhure Path Check) -----------> I want to get the value of key1
Public means you can access it another class..
But Static means within the class we will use it...already posted this topic yesterday..But i did not get any helpful response..Kindly help me because I am new to java and I need some help regarding hashmap..I thing Exposing your dataStructure to any other class is not the right practise.
You can make the Hashmap object private and nonstatic and provide a getter method in this class to get the value corresponding to any particular key.
public Object getValue(String key)
return egalReviewPieceRelatedACLMap.get(key);
} -
Not able to get the values from screen field?
hello
i am using MIRO and there is a screen name withholding tax and from there i want to retreive the withholding tax code before saving so that i can do some validations on it but how can i retrieve the values.
when i press f1 there it shows structure not the table and structure contains no value so please help me in this so that i can retreive that value during run time
thank youHi Vikas,
you can use this badi MRM_WT_SPLIT_UPDATE, the method will be WHTAX_SPLIT_UPDATE
in this badi please see the importing and exporting parameters, you will get the values of withholding tax code as TE_RBWS in export parameters.
Please search in google or SCN you will get how to use it. -
How to get the values returned by a function in a drop down?
Hi All,
Can anyone please help in getting the values returned by a function into a drop down? I have a java class file where in i have written a function called getWeeks() which give all the week dates and i want to display these week dates in a drop down box in a JSP page.
Please help me in this regard.
Thanks in Advance!!
Lakshman.Hi Lakshman,
the following code can help you do what you want :
<hbj:dropdownListBox id="calendar" tooltip="Calendar" selection="<%= selected %>">
<%
String[] weeks = myObjectBean.getWeeks();
for (int i = 0; i < weeks.length; i++) {
%>
<hbj:listBoxItem key="<%= i %>" value="<%= weeks<i> %>"/>
<%
%>
</hbj: dropdownListBox>
The <%= selected %> snippet allows you to pre-select one of the options (provided that the variable 'selected' is equal to one of the listBoxItem keys).
You can also add onSelect to the tag (e.g. = "setSelectedItem"). It corresponds to a method in the corresponding JSPDynPage class. This means that when you select another item in the dropdown list, the method in your Java class is performed (allowing you to save the selected value and performing actions with it)
I hope this helped you enough,
kind regards,
Frederic
Edited seven times by: Frederic Taes on Nov 5, 2008 11:24 AM -> the onSelect element was in the hbj tag and in the text with "='setSelectedItem'" next to it and when I tried to post my message, I got a 501 error all the time ! Seems like a SDN bug to me ... -
How to get the values in separate columns
Hello Everyone
I am new to Bex, i have the sales data of 2008,2009,2010. now i have to display the sales order(key figure) for 2008,2009,2010 in separate columns for each customer(dimension) in a single report , can any one help me how to get this done in bex.
Thanks
GuptaHi ,
You can achieve this either creating New Selections or Restricted Key Figures.
Right click on the structute>>>> New selcection>>> drag the year to right [ Right Click on it >>restrict it with 2008}>>>Drag the respected Key figure.
So u will get the values 2008 in seperate column.
COpy the New Selecten that u created and paste on the structure , chage the descriprion and year to 2009.
do the same for 2010.
Note:you can also achieve this by creating variable offsets.Check the following link
http://help.sap.com/saphelp_bw33/helpdata/en/3f/89533e5ff4d064e10000000a114084/content.htm
Regards,
Ranganath -
How to get the Values of A_UMSKZ(Spl GL Ind) in FI_INT_CUS01-INT_ADD_ITEMS
Hi Friends..
In Tcode FINT (Item Interest Calculation) , i am implementing the BADI FI_INT_CUS01 method INT_ADD_ITEMS . using this method INT_ADD_ITEMS i am adding more items into ct_items from table BSID. In my SQL Query based on the user input in selection screen of FINT (Performance Tab ->Special GL Indicator A_UMSKZ) i want to get the items. But A_UMSKZ is out of scope in Method INT_ADD_ITEMS. How can i get the values of A_UMSKZ.
Thanks in Advance.
N.G. Mahender.Hi Friends,
I got the Answer. in Method INT_ADD_ITEMS contains the importing internal Table it_frange. It contains structure selopt_t. This structure contains the data of the field a_umskz.
i was added the following code to get this.
Data:
lwas_selopt_umskz TYPE fintselopt,
lwa_frange TYPE fint_frange.
CLEAR: lwas_selopt_umskz , lwa_frange.
READ TABLE it_frange INTO lwa_frange WITH KEY fieldname = 'A_UMSKZ'.
READ TABLE lwa_frange-selopt_t INTO lwas_selopt_umskz INDEX 1.
Warm Regards,
N.G. Mahender. -
Hello,
within the event "AT SELECTION-SCREEN ON VALUE-REQUEST FOR <field x>" I have to call a function and need the value of other field (lets say field y), but in spite of the field y has a value it comes blank, If I press enter in the report then the field y does appear with his value.
Anyone know a way to get this value without having to press enter in the report?
Thanks very much for your helpTry using DYNP_VALUES_READ to get the value of the field Y.
Regards,
Ravi -
How to get the value of an outputLabel (part of a header in a table col)?
Hello,
i am trying to write some code in a method in a bean that is called when a button is pressed in a page (actually is an ActionListener method), which is part of a Table. I want to get the value of the outputLabel of the column. The jspx part of the page to get the idea follows:
<af:column id="TrsTransactionsTradeDateColumn" sortable="true" noWrap="true" sortProperty="TradeDate" >
<f:facet name="header">
<af:outputLabel value="#{nls['TRSTRANSACTIONS_TABLE_TRADEDATE']}" styleClass="af_column_header-text"/>
</f:facet>
<af:selectInputDate id="TrsTransactionsTradeDate" value="#{row.TradeDate}"
required="#{bindings.TrsTransactionsTradeDate.mandatory}" readOnly="true" >
<af:convertDateTime pattern="dd/MM/yyyy HH:mm:ss"/>
</af:selectInputDate>
</af:column>
As you see, the header part which is actually an outputLabel, is not actually part of the column object but in a separate facet, and the header property of the column is not used. Also, i can't change that, as this code is produced by generator. Actually i can access the every column of the Table with CoreColumn class, as these are children of the Table, but it does not give me access to the corresponding outputLabel of the column, because it is neither child or property of the column! An extract of the code to show my situation and give an idea follows:
DCIteratorBinding dcib;
RowSetIterator rsi;
HttpServletRequest hq;
String iterName;
PrintWriter out = null;
Row currentRow = null;
CoreTable tTable;
String [] attNames, realNames;
Boolean[] isNum;
int isFirst = 1;
List childList, childList2;
CoreColumn csi;
// Find the Component-Table and the Real names of the Columns
tTable = (CoreTable) actionEvent.getComponent().getParent().getParent();
System.out.println("CoreTableSelectOne:"+tTable.toString());
System.out.println("CoreTableSelectOne Parent:"+tTable.getParent().toString());
childList = tTable.getChildren();
attNames = rsi.getRowAtRangeIndex(0).getAttributeNames();
realNames = new String[attNames.length];
isNum = new Boolean[attNames.length];
System.out.println("attrNames:"+attNames.length);
System.out.println("childList:"+childList.toString());
System.out.println("childList size:"+childList.size());
// The next loop puts in the realNames for each row set column the component column name
// if the column is rendered otherwise null.
for (int i = 0; i < attNames.length; i++) {
System.out.println("attrName:"+attNames);
realNames[i] = null;
for (int k = 0; k < childList.size(); k++) {
if (childList.get(k) instanceof CoreColumn){
csi = (CoreColumn) childList.get(k);
System.out.println("csi:"+csi.getSortProperty());
if (csi.getSortProperty() == attNames[i]){
childList2 = csi.getChildren();
System.out.println("csi.childrencount:"+csi.getChildCount());
System.out.println("csi.getshortdesc:"+csi.getShortDesc());
System.out.println("csi.getFacetCount():"+csi.getFacetCount());
csi.getFacet()
for(int m=0; m<childList2.size(); m++) {
//System.out.println("childList2.get(m).toString():"+childList2.get(m));
if(childList2.get(m) instanceof CoreSelectInputDate)
CoreSelectInputDate csid = null;
csid = (CoreSelectInputDate)childList2.get(m);
System.out.println("Label:'"+csid.getLabel());
System.out.println("csi.getHeaderText()"+csi.getHeaderText());
realNames[i] = new String(csi.getHeaderText());
if (csi.isRendered() == false)
realNames[i] = null;
System.out.println(csi.getFormatType());
if (csi.getFormatType() == "number")
isNum[i] = true;
else
isNum[i] = false;
System.out.println("After loop In attName: "+i);
// Print the titles
if (realNames[i] != null) {
if (isFirst == 1)
isFirst = 0;
else
out.print(";");
out.print(realNames[i]);
Part of the output produced follows:
2008-07-18 18:49:13,699 INFO [STDOUT] iteratorNameTrsTransactionsIterator
2008-07-18 18:49:13,699 INFO [STDOUT] 1
2008-07-18 18:49:13,699 DEBUG [com.sun.faces.el.ValueBindingImpl] getValue(ref=bindings)
2008-07-18 18:49:13,699 DEBUG [com.sun.faces.el.VariableResolverImpl] resolveVariable: Resolved variable:TrsTransactionsPageDef
2008-07-18 18:49:13,699 DEBUG [com.sun.faces.el.ValueBindingImpl] getValue Result:TrsTransactionsPageDef
2008-07-18 18:49:13,699 INFO [STDOUT] 2
2008-07-18 18:49:13,699 INFO [STDOUT] 3
2008-07-18 18:49:13,699 INFO [STDOUT] 4
2008-07-18 18:49:13,699 INFO [STDOUT] CoreTableSelectOne:CoreTable[UIXFacesBeanImpl, id=TrsTransactionsTable]
2008-07-18 18:49:13,699 INFO [STDOUT] CoreTableSelectOne Parent:CorePanelGroup[UIXFacesBeanImpl, id=TrsTransactionsTableGroup]
2008-07-18 18:49:13,699 INFO [STDOUT] attrNames:56
2008-07-18 18:49:13,699 INFO [STDOUT] childList:[CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsTradeDateColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsLkpBiccodeColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsLkpBicnameColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsLkpInstrumentIsincodeColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsLkpInstrumentNameColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsBuySellColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsTradeCapacityColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsQuantityColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsUnitPriceTypeColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsUnitPriceColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsLkpCurrencyIsoSymbolColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsVenuetypeColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsLkpVenueMicCodeColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsLkpVenueBicCodeColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsCtypeColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsLkpCounterpartyMicCodeColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsLkpCounterpartyBiccodeColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsCcodeccColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsClienttypeColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsLpkClientBicCodeColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsClientinternalColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsTradeStatusColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsLastUpdateDateColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsCancelDateColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsOrigTrnColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsSourceColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsSourceNumberColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsTransTypeColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsTradeDateOnlyColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsExchangeReasonColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsTransTrnColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsCancSourceNumberColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsCauniqueidColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsRoutingColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsHubSentDateColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsOtherRcaColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsOutOfDateFlagColumn], CoreColumn[UIXFacesBeanImpl, id=TrsTransactionsMultipleFlagColumn], CoreColumn[UIXFacesBeanImpl, id=_id89]]
2008-07-18 18:49:13,699 INFO [STDOUT] childList size:39
2008-07-18 18:49:13,699 INFO [STDOUT] 5
2008-07-18 18:49:13,699 INFO [STDOUT] 6
2008-07-18 18:49:13,699 INFO [STDOUT] 7
2008-07-18 18:49:13,699 INFO [STDOUT] 8
2008-07-18 18:49:13,699 INFO [STDOUT] 9
2008-07-18 18:49:13,699 INFO [STDOUT] 10
2008-07-18 18:49:13,699 INFO [STDOUT] attrName:BicId
2008-07-18 18:49:13,699 INFO [STDOUT] csi:TradeDate
2008-07-18 18:49:13,699 INFO [STDOUT] csi:LkpBiccode
2008-07-18 18:49:13,714 INFO [STDOUT] csi:LkpBicname
2008-07-18 18:49:13,714 INFO [STDOUT] csi:LkpInstrumentIsincode
2008-07-18 18:49:13,714 INFO [STDOUT] csi:LkpInstrumentName
2008-07-18 18:49:13,714 INFO [STDOUT] csi:BuySell
2008-07-18 18:49:13,714 INFO [STDOUT] csi:TradeCapacity
2008-07-18 18:49:13,714 INFO [STDOUT] csi:Quantity
2008-07-18 18:49:13,714 INFO [STDOUT] csi:UnitPriceType
2008-07-18 18:49:13,714 INFO [STDOUT] csi:UnitPrice
2008-07-18 18:49:13,714 INFO [STDOUT] csi:LkpCurrencyIsoSymbol
2008-07-18 18:49:13,714 INFO [STDOUT] csi:Venuetype
2008-07-18 18:49:13,714 INFO [STDOUT] csi:LkpVenueMicCode
2008-07-18 18:49:13,714 INFO [STDOUT] csi:LkpVenueBicCode
2008-07-18 18:49:13,714 INFO [STDOUT] csi:Ctype
2008-07-18 18:49:13,714 INFO [STDOUT] csi:LkpCounterpartyMicCode
2008-07-18 18:49:13,714 INFO [STDOUT] csi:LkpCounterpartyBiccode
2008-07-18 18:49:13,714 INFO [STDOUT] csi:Ccodecc
2008-07-18 18:49:13,714 INFO [STDOUT] csi:Clienttype
2008-07-18 18:49:13,714 INFO [STDOUT] csi:LpkClientBicCode
2008-07-18 18:49:13,714 INFO [STDOUT] csi:Clientinternal
2008-07-18 18:49:13,714 INFO [STDOUT] csi:TradeStatus
2008-07-18 18:49:13,714 INFO [STDOUT] csi:LastUpdateDate
2008-07-18 18:49:13,714 INFO [STDOUT] csi:CancelDate
2008-07-18 18:49:13,714 INFO [STDOUT] csi:OrigTrn
2008-07-18 18:49:13,714 INFO [STDOUT] csi:Source
2008-07-18 18:49:13,714 INFO [STDOUT] csi:SourceNumber
2008-07-18 18:49:13,714 INFO [STDOUT] csi:TransType
2008-07-18 18:49:13,714 INFO [STDOUT] csi:TradeDateOnly
2008-07-18 18:49:13,714 INFO [STDOUT] csi:ExchangeReason
2008-07-18 18:49:13,714 INFO [STDOUT] csi:TransTrn
2008-07-18 18:49:13,714 INFO [STDOUT] csi:CancSourceNumber
2008-07-18 18:49:13,714 INFO [STDOUT] csi:Cauniqueid
2008-07-18 18:49:13,714 INFO [STDOUT] csi:Routing
2008-07-18 18:49:13,714 INFO [STDOUT] csi:HubSentDate
2008-07-18 18:49:13,714 INFO [STDOUT] csi:OtherRca
2008-07-18 18:49:13,714 INFO [STDOUT] csi:OutOfDateFlag
2008-07-18 18:49:13,714 INFO [STDOUT] csi:MultipleFlag
2008-07-18 18:49:13,714 INFO [STDOUT] csi:null
2008-07-18 18:49:13,714 INFO [STDOUT] After loop In attName: 0
2008-07-18 18:49:13,714 INFO [STDOUT] attrName:TradeDate
2008-07-18 18:49:13,714 INFO [STDOUT] csi:TradeDate
2008-07-18 18:49:13,714 INFO [STDOUT] csi.childrencount:1
2008-07-18 18:49:13,714 INFO [STDOUT] csi.getshortdesc:null
2008-07-18 18:49:13,714 INFO [STDOUT] csi.getFacetCount():1
2008-07-18 18:49:13,714 INFO [STDOUT] Label:'null
2008-07-18 18:49:13,714 INFO [STDOUT] csi.getHeaderText()null
2008-07-18 18:49:13,714 ERROR (irrelevant)
Any idea how to achieve to get the value of the corresponding outputLabel ?
TIAHi,
the fastes option is to create a JSF binding from the output text to a managed bean and directly access the component. So unless you like parsing the table for this information, it seems unnecessary if you frequently use the information stored in the header
Frank
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