[OT] Create/Edit Form
Hey all, The following is pretty hard to understand. I'm no good at describing my problems and wasn't sure how to explain it. Hopefully, someone will get what I'm attempting to say I'm working on a screen that allows a user to dynamically add rows via Javascript. I then have have a form that contains a list of beans that stores the data (but that's really beside the point). My issue comes with the storage of this information. The form can either be a blank form or it can be preloaded with other information depending on whether the record exists or not. If it is preloaded, the user can edit the existing rows or add new rows. The problem comes when I need to update the database. When the user hits the save button, it submits all the information, but I have no way of telling if a specific row was edited or created. Because of this, I don't know whether to make an UPDATE query or an INSERT query. Can anyone think of a creative way to do this without adding an extra query for each row? Any insight would be greatly appreciated! Thanks, ~ Andrew Tomaka - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: [OT] Create/Edit Form
I really like your Javascript solution, Kevin. However, I realized the problem was actually a bit more complex than I was making it. The database table I am editing requires two primary keys to make an entry unique (I'm a firm believer in a single PRImary key, but it wasn't my choice). One of the two keys can be changed by this form, so it causes problems. I came up with a few solutions, but in the end, we decided it would be easist (quick but dirty) to go ahead and just delete all rows associated with the document and then reinsert them. This way, we are sure to get the exact information that we want from the users. Thanks a lot for the quick responses guys. I'll definitely keep the JS flag tucked away in the back of my mind. ~ Andrew Tomaka On 7/27/05, Andrew Tomaka [EMAIL PROTECTED] wrote: Hey all, The following is pretty hard to understand. I'm no good at describing my problems and wasn't sure how to explain it. Hopefully, someone will get what I'm attempting to say I'm working on a screen that allows a user to dynamically add rows via Javascript. I then have have a form that contains a list of beans that stores the data (but that's really beside the point). My issue comes with the storage of this information. The form can either be a blank form or it can be preloaded with other information depending on whether the record exists or not. If it is preloaded, the user can edit the existing rows or add new rows. The problem comes when I need to update the database. When the user hits the save button, it submits all the information, but I have no way of telling if a specific row was edited or created. Because of this, I don't know whether to make an UPDATE query or an INSERT query. Can anyone think of a creative way to do this without adding an extra query for each row? Any insight would be greatly appreciated! Thanks, ~ Andrew Tomaka - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: [OT] Create/Edit Form
I agree fully, but, unfortunately, I can't do a whole lot about it. The databases were set up before I started on the project and I guess the DBA was pretty hard nosed about changing from how he wanted it. Oh well. ~ Andrew Tomaka On 7/27/05, Michael Jouravlev [EMAIL PROTECTED] wrote: On 7/27/05, Andrew Tomaka [EMAIL PROTECTED] wrote: I realized the problem was actually a bit more complex than I was making it. The database table I am editing requires two primary keys to make an entry unique (I'm a firm believer in a single PRImary key, but it wasn't my choice). Are you are talking about a composite PK? One of the two keys can be changed by this form, so it causes problems. It is usually a bad idea to use domain data as PK. Having modifiable PKs is [generally] one of the worst ideas. Michael. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Iterate over list in in list in form bean.
I've stumbled across a similar problem that I'm trying to find the Struts solution for. I have a form which allows users to add a dynamic amount of rows (via a button that says Add Row) and then submit the form with as little or many rows as they wish. Can a form bean be setup using collections instead of other object types? What is the proper way to handle a dynamic amount of the same data coming in to a Action? ~ Andrew Tomaka On 7/18/05, Rick Reumann [EMAIL PROTECTED] wrote: Mike Elliott wrote the following on 7/18/2005 10:55 AM: I've been beating my head against this all weekend to no avail. I understand how to do this in session scope, but don't know if it's even possible in request scope. As I understand things (which may be wrong), when the form is submitted (in request scope) a new form bean is created and populated with the values in the collection from the HTML form. But, of course, a newly created form won't know how many elements are in the form so it can't pre-populate the collection with beans to be filled in. Right? I'm still not totally clear where the problem is, since I'm not sure what Session has to do with the initial setup of the form. It might help if you let us know what the exact problem is when using request scope... 1) A problem when you submit the form and getting 'index' problems showing up in the logs? 2) Is it making sure the nested structure is still there when validation fails? I'm confused because you mention But, of course, a newly created form won't know how many elements are in the form so it can't pre-populate the collection with beans to be filled in. This statement confused me because you seem to be implying it works when it's in Session which doesn't make sense since even with a Session scoped form you still need to some initial population somewhere. Typically I feel you should always go to some sort of setUp action or dispatch method BEFORE you ever forward to a form. Initially you can often skip this step but later on there will be something you want to 'do' before you get to the form anyway so I find it good practice to go to a 'set up' first. For the two problems listed above the link Naill posted is good http://wiki.apache.org/struts/StrutsCatalogLazyList (and I just recently added to that link the way I like to do it). Let us know if you can't get it to work. I have to use Nested stuff all the time, so I'll be able to help. -- Rick - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: [OT] Re: Fired???? was...Re: Struts Books Recommendations [OT]
I was trying to avoid jumping in here, but I couldn't hold out. How about we all grow up and act like adults? Never in my life have I seen such a childish display. I think Rick's My mom can beat up your mom. made the same point I'm making here. And Yan, you may have given it a hahaha +1, but that was directed at you just as much as it was directed at anyone else. This is supposed to be a list of professionals. We are all here trying to help one another through our Struts issues. I fail to see how making fun of some for using or not using an IDE or discussing anti-discrimination laws or most everything that has been written in the last two weeks applies to the goals of this list. And I certainly don't see how saying things like Can you even reason logically? Ha you can not since you do not have a brain. helps anyone in anyway. When I joined the Struts list in May, it was an invaluable resource. I was able to quickly learn the framework through the questions others were asking. But in the past few weeks, it's all gone downhill. A good percentage of threads are now off-topic; not off topic like discussing the pros and cons of using an IDE, but off topic like what an H1B is and personal thoughts on outsourcing. Why don't we get back to the reason this list exists and the purpose of Sturts: making our lives easier. ~ Andrew Tomaka On 7/8/05, Yan Hu [EMAIL PROTECTED] wrote: --- James Mitchell [EMAIL PROTECTED] wrote: ROFL Oh ya! My mom can beat up your dad! hahaha +1 - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Two Forms, Two Form Beans, One JSP
I imagine I've over complicated the problem, so I've taken a step back and am looking at it from the beginning again. The following are my basic requirements: When the user makes the first request, they are taken to a page with a drop down menu. This drop down menu is built from information stored in a database so I need to do some pre-processing. After that, the user chooses an option from the drop down menu and chooses to search. This returns a page that has the same form that was built in the first request on top and then a second form that lists the results of their drop down. This allows users to choose which of the results to edit. At this point the user can either use the drop down menu and have the bottom list rebuilt or choose a result to edit and proceed. My problem is that I have a PreAction to do the processing on the form. This requires the page to have the form bean assigned to it. Since I have two different forms doing two different things, I should have two different form beans, but I don't see how I can accomplish that. This is going to be a common thing to do throughout my entire application so I am hoping a simple design solution will pop up. Let me know if you need any other clarifications. I appreciate the help so far! ~ Andrew Tomaka On 7/7/05, Rick Reumann [EMAIL PROTECTED] wrote: Andrew Tomaka wrote the following on 7/7/2005 10:26 AM: I'm attempting to create a JSP that is made up of two forms. Each form needs a different form bean and is processed by a different action. The catch is that the first form returns back to the JSP and the action responsible for this needs the name attribute set to the Form Bean of the first form. When the JSP is loaded after the processing of the first form, both the form tags are assigned the name of the first Form Bean. I'm confused what you are trying to do. Possibly you can describe the user requirements? -- Rick - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Two Forms, Two Form Beans, One JSP
I did consider using a single form bean for both forms, but it didn't really sit well with me from a design stand point. We have two different forms doing two different things so there should be two different beans. Heck, if I had it my way, the two forms would be on separate pages (wizard style), but the customer says otherwise. I do have an issue with using a single form. The top list is a list of program ids. When a program id is selected, it brings up all the different sheets for that program id. The user can then select a sheet to edit, via radio button, and submit that request. With this request, I need to pass the program id that was selected (via hidden field). I can't rely on the program id in the drop down box because if a user performs a search, changes the drop down box and then selects a sheet to edit, we have a mismatch between the intended program id to edit and the actual program id to edit (if that makes any sense). ~ Andrew Tomaka On 7/7/05, Wendy Smoak [EMAIL PROTECTED] wrote: From: Andrew Tomaka [EMAIL PROTECTED] My problem is that I have a PreAction to do the processing on the form. This requires the page to have the form bean assigned to it. Since I have two different forms doing two different things, I should have two different form beans, but I don't see how I can accomplish that. There's nothing wrong with sharing one form across multiple Actions. I do it for an accounting reporting webapp. All of the forms ask for similar things, such as account numbers and dates, and this makes it simple for all the HTML forms to remember their selections. (The form is in session scope, so it happens naturally.) Just wanted to point out that there is no ironclad one-to-one relationship between HTML forms and form beans. -- Wendy Smoak - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Two Forms, Two Form Beans, One JSP
Using a nested form bean may actually be a viable solution that I'll have to look in to. Ideally though, I'd be able to treat the two different forms as two separate pages that just happen to share the same screen space. I guess that's the downside to using a framework: you can't always get what you want. Anyway, I have a drawing of the flow that I'll upload when I am at home. Unfortunately, the proxy here doesn't allow me to write to any FTP space. ~ Andrew Tomaka On 7/7/05, Adam Hardy [EMAIL PROTECTED] wrote: Andrew, if the data being edited in the two forms are related, then for the child data you could use a nested bean as an attribute on the form. The parent data would remain as usual directly in the form. Adam Andrew Tomaka on 07/07/05 17:46, wrote: I did consider using a single form bean for both forms, but it didn't really sit well with me from a design stand point. We have two different forms doing two different things so there should be two different beans. Heck, if I had it my way, the two forms would be on separate pages (wizard style), but the customer says otherwise. I do have an issue with using a single form. The top list is a list of program ids. When a program id is selected, it brings up all the different sheets for that program id. The user can then select a sheet to edit, via radio button, and submit that request. With this request, I need to pass the program id that was selected (via hidden field). I can't rely on the program id in the drop down box because if a user performs a search, changes the drop down box and then selects a sheet to edit, we have a mismatch between the intended program id to edit and the actual program id to edit (if that makes any sense). ~ Andrew Tomaka On 7/7/05, Wendy Smoak [EMAIL PROTECTED] wrote: From: Andrew Tomaka [EMAIL PROTECTED] My problem is that I have a PreAction to do the processing on the form. This requires the page to have the form bean assigned to it. Since I have two different forms doing two different things, I should have two different form beans, but I don't see how I can accomplish that. There's nothing wrong with sharing one form across multiple Actions. I do it for an accounting reporting webapp. All of the forms ask for similar things, such as account numbers and dates, and this makes it simple for all the HTML forms to remember their selections. (The form is in session scope, so it happens naturally.) Just wanted to point out that there is no ironclad one-to-one relationship between HTML forms and form beans. -- Wendy Smoak - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Two Forms, Two Form Beans, One JSP
This is what I've ended up doing for now. I have my one form bean for both forms since the data is related. What if the data isn't related though? Does Struts provide a simple solution or is just an area to hack around? I can accept the latter since it's expected when using a framework. Either way, thanks for all the help guys. I've gotten my forms in working condition with a design that I can put up with! ~ Andrew Tomaka On 7/7/05, Rick Reumann [EMAIL PROTECTED] wrote: Andrew Tomaka wrote the following on 7/7/2005 12:00 PM: I imagine I've over complicated the problem, Yes, I think you are:) My problem is that I have a PreAction to do the processing on the form. This requires the page to have the form bean assigned to it. Since I have two different forms doing two different things, I should have two different form beans, but I don't see how I can accomplish that. Here is a case where I don't believe you need to have these different ActionForms. If you just need an id from one drop down list, simply sumbit to the Action and pull that id out of the request. Nothing forcing you to have to have ActionForm's hold everything. If you want an ActionForm, make just one and provide... Integer searchID; Integer programID; I don't feel this breaks desing principals since the intended use of the ActionForm is to collect user input data from a page - in this case you do have user data (in two lists) on one page. -- Rick - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Is there any Jsp template like Smarty template ?
Maybe IDEs are helpful, but if you can't do your programming in a straight text editor, you shouldn't be programming at all. The biggest problem with programmers today is that they don't actually know how to program. They know how to click some buttons and auto-generate some code (mostly awful code) but that's about it. Grab a text editor, learn to program, then, and only then, if you feel the need, you can pick up an IDE. ~ Andrew Tomaka On 6/29/05, Yan Hu [EMAIL PROTECTED] wrote: http://uab.blogspot.com/2005/06/ides-we-dont-need-no-stinking-ides.html It is the most stupid blog I have ever seen. Go back to the cave where you belong to. Maybe we should ask MS guys to use vi and Emacs too. Why do some people call them real programmers just because they do not like IDEs? Why 85% of the Java developers use Eclipse? You think they are all wrong and you are right? You should be thankful since Eclipse is such a good IDE and it is free. Haa. I know when you get too old, you tend to hate anything new due to uncertainty that the new technologies might bring to you Hey that is understable that you might still want to use Cobol or even assembly.. Why do you want to program in java anyway? You could do a lot more(control) using assembly than Java as you could program in the stinking text editors such as vi and Emacs. They suck big time. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Validation while using LookupDispatchAction
You might be interested in checking out ValidatorLookupDispatchAction (http://struts.whoisandy.com/archives/2005/05/27/validatorlookupdispatchaction.php). I stumbled across, but never actually used it. ~ Andrew Tomaka On 6/23/05, Wendy Smoak [EMAIL PROTECTED] wrote: From: Vicky [EMAIL PROTECTED] But having different actions in struts-config. how would I call them in my jsp html:form ? because right now I have only one action in jsp html:form action=myAction and then for each button i have property=method.. in jsp in struts-config for this action mapping I have parameter=method Did I miss anything in here? DynaValidatorActionForm wants to validate based on the path, so you have to give it different paths to work with. If you can't or don't want to have different paths mapped to the same action and form, then a different solution is in order. I doubt you are alone... I wonder if someone has written a flavor of ValidatorForm that uses the dispatch parameter to switch validation. None comes to mind, but search the list archives and the Wiki to see if there is already something out there. And of course you're always free to override 'validate' in your form bean and make it do exactly what you want, or to turn off automatic validation altogether and call it from your Action when and where you want it to happen. If you're having trouble deciding what the best approach would be, tell us more about your project and I'm sure there will be no shortage of opinions. (Hey, Mark, welcome back! So, tell us how you REALLY feel about Validator... ;) ) -- Wendy Smoak - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: html:errors does not display
Song,
I was having a similar problem using WSAD 5.0.0. Client side
validation using the Validator component worked, but server side
validation did not. Since WSAD included Struts 1.1(beta 2), I decided
to update struts to the newest version. This seemed to correct the
problem. If you need further instructions on updating Struts to the
most recent version using WSAD, please refer to
http://struts.whoisandy.com/archives/2005/05/26/validator_serverside_validation.php.
~ Andrew Tomaka
On 6/13/05, Song Wang [EMAIL PROTECTED] wrote:
Hello everyone,
I cannot display html:errors property=blah/, but if I add
%
ActionErrors ae = ( ActionErrors) request.getAttribute( Action.ERROR_KEY);
boolean err = false;
if( ae != null) {
Iterator iter = ae.properties();
while(iter.hasNext()){
System.out.println((String)iter.next());
}
}
%
I can see that blah is printed out. That being said, the errors does hold
the value. Does anyone know where I should configure? Or how to check if the
value is an empty string? I'm using WSAD 5.1.
Thanks.
Song
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