Tree View through JSP and Java Script

Hi,
I am looking for code or ideas of a Tree Structure as shown in in the left side frame of admin console of Sun App server 7 on the browser. I need to create a tree structure which will work on the browser like it works on the Sun App Server 7 admin console. If you had any idea or code, please share with me. I would like to have some idea before I start building it. The tree will be build from the database. So any database design is also helpful. I am planning to have that tree using JSP and EJB.
Please help. If you are not clear what I am looking for, then please drop a line in this forum, so that I can explain it fine.
Thanks in advance.
Amit

You can use the JSP Tree Tag I have developed. This helps you both structuring the tree model itself + it takes care of displaying the tree in a nice way. You can change all HTML code used to display the tree. Also you can build trees dynamically instead of just displaying static trees. Take a look at it here:
http://www.jenkov.dk/projects/treetag/treetag.jsp
Kind Regards,
Jakob Jenkov

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Design View blank, JSP and Java views fine

I'm running JSC 2.1, I have 2 gig of memory. I'm not able to see the design view on one of my jsps, but the error message in the log isn't very helpful.
I did a cut-and-paste from another jsp view in another file -- is there something else I have to copy? If so, what and where to?
Any help appreciated.
Stack trace is below (I get five of the same errors with different line numbers; I'm only including one stack trace here):
java.lang.NullPointerException
at com.sun.rave.designer.DesignerTopComp.componentShowing(DesignerTopComp.java:868)
at org.netbeans.core.multiview.MultiViewPeer.showCurrentElement(MultiViewPeer.java:233)
at org.netbeans.core.multiview.MultiViewPeer.showCurrentElement(MultiViewPeer.java:205)
at org.netbeans.core.multiview.MultiViewPeer$SelectionListener.selectionChanged(MultiViewPeer.java:480)
at org.netbeans.core.multiview.MultiViewModel.fireSelectionChanged(MultiViewModel.java:224)
at org.netbeans.core.multiview.MultiViewModel.setActiveDescription(MultiViewModel.java:93)
at org.netbeans.core.multiview.MultiViewModel$BtnGroup.setSelected(MultiViewModel.java:274)
at javax.swing.JToggleButton$ToggleButtonModel.setSelected(JToggleButton.java:215)
at javax.swing.ButtonGroup.setSelected(ButtonGroup.java:139)
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at javax.swing.JToggleButton$ToggleButtonModel.setSelected(JToggleButton.java:215)
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at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:234)
at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:231)
at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:231)
at java.awt.Component.processMouseEvent(Component.java:5488)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3126)
at java.awt.Component.processEvent(Component.java:5253)
at java.awt.Container.processEvent(Container.java:1966)
at java.awt.Component.dispatchEventImpl(Component.java:3955)
at java.awt.Container.dispatchEventImpl(Container.java:2024)
at java.awt.Component.dispatchEvent(Component.java:3803)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4212)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3892)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822)
at java.awt.Container.dispatchEventImpl(Container.java:2010)
at java.awt.Window.dispatchEventImpl(Window.java:1774)
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at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
[catch] at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
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I figured out the problem. The Java code had gotten out of sync with the jsp code, so the design view didn't know how to render the components. It's a pain to fix, but it can be done. Go through your jsp code component by component, and make sure there are declarations, getters, and setters for each id in the components. Also make sure the java code doesn't contain declarations, getters, and setters for any components that you didn't create (you can see these in the jsp view at the bottom of the file).

HELP!!!!! JSP and Java Script

Hi,
I have a JSP file that I need to create 3 drop lists (choice list). If one of these 3 choice lists is selected, then the other 2 need to deselected and disabled. I need help with the code.
Do I use JavaScript or Java? Below is the html code. I would really appreciate any help on this.
Thanks,
BK

<html>
<head><title>New Window Example</title>
<STYLE TYPE="text/css" >
td { font-size: 11px }
th { font-size: 11px }
body { background-color: #666666 }
</STYLE>
<SCRIPT>
/* When press CANCEL button, the dialog box disappears. */
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          window.close();
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     var f = document.queryForm;
* Checks if an account number is entered. If not, an error message dialog pops up
* to the user.
* Checks if a business unit was chosen. If not, an error message dialog pops up
* to the user.
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     * @param msgType
     * @ mesage the data structure to store the messages sent to the users
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var message = "";
if (msgType == "integer")
message = "Enter numeric characters.";
if (msgType == "integerDate")
message = "between 1990 and 2010";
if (msgType == "ListBU")
message = "Choose which BU?";
if (msgType == "ListMonth")
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window.defaultStatus = message;
window.status = message;
</script>
</head>
<body onFocus="statusMsg('')">
<FORM NAME= "queryForm" onSubmit = "return checkForm()" ACTION="Welcome.html">
<TABLE Border="0" cellspacing="2" cellpadding="4">
<TR>
<TD ALIGN=left>Company Code:</TD>
<TD WIDTH="20%"><SELECT Name=choiceMonths1 size=1 onFocus="statusMsg('ListMonth')">
<option value="" selected>
<OPTION Value="01">01
<OPTION Value="02"> 02
<OPTION Value="03"> 03
<OPTION Value="04"> 04
<OPTION Value="05"> 05
<OPTION Value="06"> 06
</SELECT></TD>
     <TR>
     <TD ALIGN=left>RegionID:</TD>
     <TD><select name=buList onFocus="statusMsg('ListBU')"> // onChange = "selectionMade()"
     <option value="" selected>
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     <option value=East ALIGN="left">East
          <option value=South ALIGN="left">South
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<TR>
     <TD ALIGN=left>Business Unit ID:</TD>
     <TD><select name=buList onFocus="statusMsg('ListBU')"> // onChange = "selectionMade()"
     <option value="" selected>
     <option value=TBR ALIGN="left">TBR
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</TR></TABLE>
<TABLE>
<tr>
<TD><INPUT TYPE=submit Value=Submit></TD>
<TD><INPUT TYPE=button NAME=btnClose VALUE=Cancel SIZE=20 ALIGN= center onClick="Closer()"></TD>
     <TD><input type=reset VALUE= Clear Query SIZE=20 ALIGN= right></TD></TR></TABLE>
</FORM>
</BODY>
</html>

What i've done in the past in this same situation is to use radio buttons alongside my dropdown lists. Whenever a radio button is selected, the corresponding dropdown list is enabled, and the other lists are all disabled. Not too hard to implement in Javascript either. Use an onClick() and set the other fields to disabled, using document.form.field.disabled = true. (and obviously, set the one you want to disabled = false). But obviously, you're still going to want to know which one to retrieve later, right? Use a hidden tag and in the same Javascript onClick, you can dynamically set the variable to whatever you want. Here's a pretty compact example using 2 fields
function enable(field)
     if(field == "firstName")
          document.myForm.firstName.disabled = false;
          document.myForm.lastName.disabled = true;
          document.myForm.searchBy.value = "firstName"
     else
          document.myForm.firstName.disabled = true;
          document.myForm.lastName.disabled = false;
          document.myForm.searchBy.value = "lastName"
}Or something like that. Yeah, I know it's not the greatest javascript in the world, but i was just simplifying things to give an example. Hope this helps somewhat :)
Simon

How to design tree view in jsp

Hi,
New to jsp.How can i create a tree view in jsp.Just like mail.yahoo.com folders tree.Pls give me some code.
Thanks

you can try the following open source ,it supply an open source Treebean and some examples www.CoolServlets.com Check out "CSTreeBean"

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I want to call a jsp from Java Script.
I am having IntelliJ IDEA 4.5 (IDE) and weblogic server.
should i do anything on web.xml,weblogic.xml
I have written one jsp, Java script.
I want to call a jsp from Java script

function submitf(){
document.xyz.action ='ReportSave.jsp';
document.xyz.method='POST';
document.xyz.submit();
<form name='xyz'>
<input type='text' name='text1'>
<input type='text' name='text2'>
<input type='button' name='xx' value='submit' onclick= submitf()>
</form>
Is this what u want???
Regards,
RAHUL

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Hi every body....
I av developed a web based application with java (jsp and Java Servlets)....
that was working fine on Lane and Local Host....
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also not access database which i developed on My Sql....
M using cpanel support on web server
Plz gave me solution...
Thanx looking forward Adnan

You need to elaborate "not working" in developer's perspective instead of in user's perspective.

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I just updated to the new operating system which i'm starting to think was a bad idea, because it reset all my settings and I don't know how to fix them.

so when I go to safari>preferences>security>uncheck box labled enable java script links on webpages don't work and pictures and links son't want to appear on websites. this made it so webpages don't want to work past loading the content in text format. I have to check enable java script to go the webpages to work right so images and links work again but when I try to apply for this job the error message pops up saying I need to enable cookies and java script.
SO I GUESS MY QUESTION IS IF JAVA SCRIPT IS ALREADY ENABLED HOW TO I ENABLE COOKIES?

Where can I download the last version that allows images and java script to be turned off?

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Right and you can download tomcat server from http://jakarta.apache.org/
and do not forget to set java home path in tomcat.See it's documentation formore help on site itself.
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Problem in the jsp, jstl and java script.

Hi Friends,
I am having one jsp which allows user(Could you please refer to code which is written in my jsp) to enter his username and password i want to get the password in the same jsp and want it to be passed to the custom tag without sending request to the server.Please give me an idea.Thanks in advance.
This is the text field which allows a password.
<INPUT type="password" name="password" size="10" maxlength="29" onblur="chkpwd()" onfocus="this.autocomplete=false" >
and this is the anchor tag which refers as LOGIN BUTTON
<IMG height=19 src="images/submit1.gif" width=106 border=0>
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<prefix:tagname value="PASSWORD which is having in the javascript variable".
Please help me .
Quick reply is thankfull.
Edited by: bharathpolanki on Apr 20, 2008 1:55 AM
Edited by: bharathpolanki on Apr 20, 2008 2:55 AM

that's correct. You can use the below code for AJAX request.
<script type="text/javascript">
var httpObject = getHTTPObject();
//create XMLHttpRequest object
function getHTTPObject() {
     var xmlhttp;
     if (window.XMLHttpRequest) // if Mozilla, Safari etc
          xmlhttp = new XMLHttpRequest();
     else if (window.ActiveXObject){ // if IE
          try {
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               try{
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               catch ( e ){}
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//define the function to send the request
function sendRequest(){
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    var queryString = "currDesc="+escape(currDesc); //get the currDesc value in your action class like request.getParameter("currDesc")
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function cbFn() {
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JSF tree view GUI component and tree node actions

Hi,
I am new in using JSF and have a problem with my simple test application.
The application contains a tree view control with one static tree node and a separate text area. Clicking on the tree node shall fill the text area with the string 'hello'. Seems to be very simple, but it doesn't work.
What did I do?
First of all I use the Sun Java Studio Creator 2.
By double clicking on the tree node in the design window of the IDE a method called treeNode1_action() was created. I also added the String text to the session bean. treeNode1_Action() does not more than setting text='hello' ( getSessionBean().setText('hello'); ).
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Running the application and clicking on the tree node does nothing except reloading the page (no 'hello' inside the text area).
Using the debugger showed me that the bean property text is set correctly to 'hello', also after reloading the page.
What did I do wrong?
What do I have to do to display 'hello' in the text area?
I would be glad for some good advice to solve my problem and looking forward for an answer.
Regards from germany
Matthias

want to remove the green patch from the jsf tree componentas u said ,, it is COMPONENET so this is a pre-made creator component that u cant chnage its attributes ,,
instead u can extract Theam.jar file and change the icons ,, u i didnt do it before ,, but u may be find what u want there,
hope this will help
good luck
Mohammed

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Ashok

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xml file
=========
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REWARD USEFUL ANSWERS

Need Help Badly on Shopping Cart Using JSP And Java Servlet

Hi All,
This is the 1st time i am trying to create a shopping cart using JSP and Servlet.
I have read through a few acticles but i still do not get the whole idea of how it works.
Please guide me as i need help very badly.
Thanks.
This is one of the jsp page which displays the category of products user would like to buy : Products.jsp
<html>
<head>
<title>Purchase Order</title>
</head>
<body topmargin="30">
<table border="0" width="100%" id="table1" cellpadding="2">
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          Code</font></b></td>
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<tr>
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<font face="Verdana, Arial, Helvetica, sans-serif" size="2">123</font>
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<td align="center" width="260" bgcolor="#CCCCCC">
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</td>
<td align="center" width="130" bgcolor="#CCCCCC">
<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Nissin</font>
</td>
<td align="center" width="146" bgcolor="#CCCCCC">
<font face="Verdana, Arial, Helvetica, sans-serif" size="2">12 x 10's</font>
</td>
<td align="center" width="57" bgcolor="#CCCCCC">
<font face="Verdana, Arial, Helvetica, sans-serif" size="2">$3.85</font>
</td>
<td align="center" width="62" bgcolor="#CCCCCC">
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<td align="center" width="36" bgcolor="#CCCCCC">

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<td align="center" width="65" bgcolor="#CCCCCC">
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<tr>
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<table border="0" width="100%" id="table2">
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After user has make his selection by entering the qty and ticking on the check box, he would click the "Add To Cart" button ... and this would call my servlet : AddToAddControlSerlvet.java
import javax.servlet.http.*;
import javax.servlet.*;
import java.io.*;
import java.util.*;
import java.util.ArrayList;
public class AddToCartControlServlet extends HttpServlet
     public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException,IOException
          String action = req.getParameter("hAction");
          if (action.equals("AddToCart"))
               addToCart(req,res);
     public void addToCart(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException
          try
               String url = "";
               String[] addList = req.getParameterValues("checkbox");
               HttpSession sess = req.getSession(true);
               //String sessionID = sess.getId();
               DBClass dbClass = new DBClass();
               ArrayList cartList = new ArrayList();
               for (int i = 0; i < addList.length; i++)
                    String productCode = (String)addList;
                    int qty = Integer.parseInt(req.getParameter("Q"+productCode));
                    Products product = dbClass.getProductDetail(productCode);
                    double totalUnitAmt = qty * product.getUnitPrice();
                    double totalCartonAmt = qty * product.getCartonPrice();
                    Order order = new Order(product.getProductCode(),product.getProductDesc(),product.getBrandName(),product.getUom(),qty,product.getUnitPrice(),product.getCartonPrice(),totalUnitAmt,totalCartonAmt);
                    cartList.add(order);
               sess.setAttribute("cartList", cartList);
               url = "/Cart/CartDetails.jsp";
               ServletContext sc = getServletContext();
               RequestDispatcher rd = sc.getRequestDispatcher(url);
               rd.forward(req, res);
          catch (Exception e)
               System.out.println(e);
From here, i would get the list of items which user has selected and add to the cartList, then i would direct the user to CartDetails.jsp which displayed the items user has selected.
From there, user would be able to remove or to continue shopping by selecting other category.
How i do store all the items user has selected ... everytime he would wan to view his cart ...
As i would be calling from jsp to servlet .. or jsp to servlet ... and i do not know how i should go about in creating the shopping cart.

Hi !
Yon can use a data structure as vector and store the items selected by the user into the vector . Keep the vector in session using session object , so the user can access the entire shopping cart from anywhere in the application .
Then , you can change the cart accordingly .
Hope this works.
Cheers ,
Pranav

Tree View through JSP and Java Script

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