xwiki-devs April 2008

xwiki-devs@xwiki.org

55 participants
180 discussions

by Kamna Jain

Thanks a lot Devs. You have been very helpful As an administrator, I see that rights can be assigned on a user basis and on a group basis. What are the rules for assigning these rights if an ordinary member (showing up in the users list) also belongs to a group. I am guessing that anyrights applied to the group automatically apply to all users in the group BUT they do not show up the indivdual users list ! Also, can a user be a member of more than one group ? I realized that just assignig the global rigths /user rights are not sufficient! Space rights also matter! Is there a way to assign edit/view rights for a group in any space. For example, if we take the Todo application. There the creator has an option fo choosing the space in which he wants to create a new Todo object. If the user chooses a space where he does not ahve edit/view rights, it's not going to work right! It throws error 9001. so, how can we ensure that groups get rights on the newly created spaces? On another note: I used the following in the HTML code for creating a form for creating a new object: Here I assign the parent of the newly created page as "Main" But, the page actually gets created in the XWiki space. Is this because the class I am using belongs to the XWiki space ? I understand that an Xwiki Page is actually an Object. But then how does XWiki allow one page to contain multiple objects at once (like commments and Tags etc...) Or did I understand it wrong? '<input type="hidden" name="parent" value="Main"/> <input type="hidden" name="template" value="HybridPublishClassTemplate"/> <input type="hidden" name="sheet" value="1"/> Thanks again Devs.

16 years, 8 months

[xwiki-devs] What is $msg ?

by Kamna Jain

Hello Devs, In the past few days, I have been looking a lot at the Velocity templates and the Xwiki core code. There are a few things I am not able to understand. 1) Where is $msg variable defined in the core code? I see it a lot in the scripts. Is it a hashtable for messages. Where is it defined? 2) what is referred to by "xpage","xredirect" For eg. in the following mehtod from Utils.java public static String getPage(XWikiRequest request, String defaultpage) { String page; page = request.getParameter("xpage"); if ((page == null) || (page.equals(""))) { page = defaultpage; } return page; } does this mean, that if a page with that name exists in the template directory(xpage), it will be returned. But, what is defaultpage? Currently the login page does not show any error if the provided credentials are wrong. (authentication with LDAP) A look at the LoginErrorAction.java in the Web package revealed that it returns the same string as the LoginAction - "login" so, if I created anither loginerror.vm in teh templates folder and returned "loginerror" in the render function of this LoginErrorAction.java class, it would run the new script. But, at this stage I do not know what would be the content of the loginerror.vm.... #xwikimessageboxstart($msg.get("error") $msg.get("notallowed")) - would this work? I picked this up from accessdenied.vm ... Thanks for all help Thanks

16 years, 8 months

Re: [xwiki-devs] What is $msg ?

by sachin mittal

> > > Message: 8 > Date: Wed, 16 Apr 2008 23:27:57 +0200 > From: "Guillaume Lerouge" <guillaume(a)xwiki.com> > Subject: Re: [xwiki-devs] What is $msg ? > To: "XWiki Developers" <devs(a)xwiki.org> > Message-ID: > <1c35d2320804161427n3f69229bs6d2bb425d00e13c1(a)mail.gmail.com> > Content-Type: text/plain; charset=ISO-8859-1 > > Hi Kamna, > > In the past few days, I have been looking a lot at the Velocity templates > > and the Xwiki core code. > > There are a few things I am not able to understand. > > > > 1) Where is $msg variable defined in the core code? I see it a lot in > the > > scripts. Is it a hashtable for messages. Where is it defined? > > > $msg is the code used to get translation messages. Basically when you > write > $msg.translation or $msg.get("translation"), upon parsing of the page by > the > Velovity parser the engine looks into the translations file. if it finds > something such as translation=NiceTranslation, it turns $msg.translation > into NiceTranslation when rendering the page. > > 2) what is referred to by "xpage","xredirect" > > > > For eg. in the following mehtod from Utils.java > > > > public static String getPage(XWikiRequest request, String defaultpage) > > { > > String page; > > page = request.getParameter("xpage"); > > if ((page == null) || (page.equals(""))) { > > page = defaultpage; > > } > > return page; > > } > > > > does this mean, that if a page with that name exists in the template > > directory(xpage), it will be returned. But, what is defaultpage? > > > > They are used to return specific actions when ?xpage= is appended to a > page > URL . For instance, /xwiki/bin/view/Main/WebHome?xpage=plain will render > the > content witout any style, /xwiki/bin/view/Main/WebHome?xpage=print will > render the page in print mode... > > Similarly, ?xredirect takes another url as a parameter and sends the > viewer > to the given page. When you try to access a page you cannot see, it's the > action used to send you back to the page from the login page. > if xpage = "mypage" then it would pass the control (request) to a vm template file mypage.vm and the rendering or response of the request would be as defined in mypage.vm > > > Currently the login page does not show any error if the provided > > credentials > > are wrong. (authentication with LDAP) > > A look at the LoginErrorAction.java in the Web package revealed that it > > returns the same string as the LoginAction - "login" > > so, if I created anither loginerror.vm in teh templates folder and > > returned > > "loginerror" in the render function of this LoginErrorAction.java class, > > it > > would run the new script. > > > > But, at this stage I do not know what would be the content of the > > loginerror.vm.... > > #xwikimessageboxstart($msg.get("error") $msg.get("notallowed")) - would > > this work? > > > Not quite sure... Though trial & error sounds like a nice tactic ;-) > > Guillaume > >

16 years, 8 months

[xwiki-devs] In need of a knowledgeable XWiki developer

by Joshua Marks

Greetings Devs, Please forward the job description below to anyone you know who is qualified and would be interested in such a position. Thank you -Joshua ---------------------------------------------------------------------------- ---------------------------- Curriki.org is a non-profit "Education 2.0" organization seeking to create a community and tools for developing, distributing and evaluating open source curricula and content Since being launched by founders of Sun Microsystems in 2006, we have grown quickly to over 35,000 registered users and have been featured in TIME Magazine, The SF Chronicle, Popular Sciences, The International Herald Tribune, Education week, and scores of blogs and articles elsewhere. We are pioneers in collaborative content creation tools and "OER"- Open Educational Resources. We're currently looking for an experienced senior Java application developer to help refine, improve and extended our open source hosted web application. We are looking for a contractor to work with us to implement new features and also improve and in some cases re-factor elements of the existing code. Experience with and an interest in open source projects, Java and the ability to learn new systems and languages quickly are all necessary attributes of the successful candidate. We are looking for a detail oriented individual who is not happy until things are just right. As a completely virtual organization, you will be expected to work remotely, independently and must provide your own development environment (Hardware and software), and broadband internet access. You will also be expected to attend virtual meetings and be generally available via IM during core working hours. RESPONSIBILITIES: . Implement features and bug fixes as assigned by the site producers and the CTO. . Evaluate and improve code in areas where problems are identified. . Review and work with the development team to more fully document the code and system and create additional unit test scripts where needed. . Take responsibility for maintenance releases for fast turn around of production issues and bugs. . Provide back-up support for build and release engineering and Unix System administration. . Work with the design team to evaluate and improve the site style sheets (CSS) and presentation layer (Velocity scripts). . Help bring the platform to a point where partners can compile and deploy the code, and provide support for partners who are working to run a Curriki server. QUALIFICATIONS: . Five or more years experience with J2EE Web application development. (Extra credit for experience working with the XWiki application - www.xwiki.org <http://www.xwiki.org/> or its key parts including Velocity, Groovy and GWT.) . Experience with as many of the following technologies and open source projects as possible: My SQL, XWiki, Sun Java App Server, Solaris 10/zones, Hibernate, Lucene, Groovy, Velocity, Google Web Toolkit, JSR-168/286, JCE/JSR-170 . Strong background and interest in Open Source software development and E-Learning technology desired but not required. . Ability to work within a distributed remote team and demonstrate strong work ethic. . Highly articulate with clear speaking and writing skills. . Extreme attention to detail and ability to QA your own work quickly. Please respond with resume and number of hours of availability per month to mailto:jobs@curriki.org. Hourly contracting rate negotiable based on experience. Joshua Marks CTO Curriki: The Global Education and Learning Community jmarks(a)curriki.org www.curriki.org US 831-685-3511

16 years, 8 months

[xwiki-devs] Add an object to a page - Urgent...

by Kamna Jain

Hello, Can anybody tell me how to add an object of an already created class to a new page using Velocity...not the interface provided by Xwiki. Which method do I need to call to achieve this!!! Thanks

16 years, 8 months

[xwiki-devs] [VOTE] Using ThreadLocal vs passing the Context around for all method calls?

by Vincent Massol

Hi, In the new xwiki architecture we need to take a call for passing the request, response and session around (what is currently called the XWikiContext). We have 2 solutions: 1) we pass it around for all method calls as it's currently done 2) we use ThreadLocal(s). If you don't know what it is see for ex: http://crazybob.org/2006/07/hard-core-java-threadlocal.html . The advantage of solution 2) is that any component in the new architecture can decide to have the Container component injected (see http://svn.xwiki.org/svnroot/xwiki/xwiki-platform/core/trunk/xwiki-containe…) and thus be allowed to access the request, response and session objects without having all its method add a Container object passed to it. The downside of solution 2) is simply that we associate Unit Of Work with Threads. But since we use a Servlet model and since I don't see any foreseeable future where we would want to use several threads for the same unit of work, I don't think this is limitating for us. See http://blog.objectmentor.com/articles/2007/09/04/thread-local-a-convenient-… for some explanation on this. So right now and even though ThreadLocal sound a little bit "hackish", I think this is still my preference as it'll save us from having to pass Container objects everywhere. Since this is an important architecture decision I wanted to have a vote for it. Thanks -Vincent

16 years, 8 months

[xwiki-devs] XWiki Classes and Properties

by Kamna Jain

Hello all, I went through the TodoClass tutorial and found it useful. I have a question regarding this functionality. Are these classes or the values of the properties for its instances saved in any table in the Xwiki database? Say, we use Classes and Objects to create a form that the user needs to create a document. Will the form values be saved in a database? How can we access the values of any instance of the created class? Also, how do we Delete a property from a Class definition? (If added by mistake while creating the class) Thanks for all help

16 years, 8 months

[xwiki-devs] Encoding problem of UTF-8 wiki, especially with non-english URL

by LiDan

This is the second time I ask this question, because maybe last time I didn't describe it clearly. I hope someone can help me on this. I have created a utf-8 wiki and set Chinese as the default langauage. I met 3 main encoding problems: 1. When I created a link with Chinese name in a page also named in Chinese. I found that the ULR of the link was like" /xwiki/bin/edit/Main/%E6%B5%8B%E8%AF%951?parent=Main.测试&editor=wysiwyg", the main part is UTF-8 encoded, but the parent param is in original Chinese encoding, means two endcodings for one URL. The consequence was that when I clicked the link to edit the new page, the parent link is ill-formated, and could not find the correct parent. I checked this forum, and found that someone had met it before, but it was supposed to be resolved, see http://www.nabble.com/Non-ascii-characters-in-doc-names%2C-need-advices-for… This problem only in IE6 and IE7, in firefox it's OK, because in firefox only one encoding in the URL. I have tried both xwiki 1.2 and 1.3, same problem. 2. When I use export function, all the pages and spaces with Chinese name are ill-named in the xar pack. 3. On the logs in CMD window of XWiki, all the Chinese words can not display correctly. Please someone help me to fix the problems, many thanks. -- View this message in context: http://www.nabble.com/Encoding-problem-of-UTF-8-wiki%2C-especially-with-non… Sent from the XWiki- Dev mailing list archive at Nabble.com.

16 years, 8 months

[xwiki-devs] URGENT Rights Management module

by Colin Tay

Hi all, I am using XWiki 1.3 and using oracle as the backend database. I noticed the individual document rights doesn't saved properly when i make the changes on individual document. May i know this is a hibernate or database jdbc or xwiki issue and can i resolve this issue? Urgent.... __________________________________________________________________ Yahoo! Singapore Answers Real people. Real questions. Real answers. Share what you know at http://answers.yahoo.com.sg

16 years, 8 months

[xwiki-devs] Create a new Page with Velocity?

by Kamna Jain

Thank you Pascal, Ricardo for your inputs. We will wait for the demo. I have another Question. How can I use Velocity to create a New Page when I click on a link! The scenario is such that when new users use the system to publish certain information, they should be able to just click on one link from the Quicklinks panel and that should take them to a new page in edit mode with an Object from an already created class..basically simulating a form to be filled by the user! I saw XWiki.createDocument() in the XWiki API, but there is no way to specify the title of the new document. Please guide. Thanks

16 years, 8 months

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xwiki-devs April 2008