[opencms-dev] Beginner completely lost
Shi Yusen
shiys at langhua.cn
Sun Sep 6 04:16:19 CEST 2009
Mathias,
Great!
BTW, YouTube (and Facebook, and ...) is banned by government. How could
you do this? Only banned in north China?
Cheers,
Shi Yusen/Beijing Langhua Ltd.
在 2009-09-05六的 03:38 -0700，Mathias Lin | SYSVISION写道：
> Hi Shi & all,
>
> actually YouTube wouldn't be such a bad idea! I think video tutorials are
> most helpful, at least that's usually my best learning approach.
>
> I recorded an introduction video today using Movie Maker and CamStudio (both
> free and easy-to-use tools), but still trying to improve the quality.
>
> http://www.youtube.com/watch?v=2iLy4N-8yz8
> http://www.youtube.com/watch?v=LHVHpJxG3mk
>
> This is my very first video recording and cutting, so please be considerate
> ;)
> On YouTube the quality of the screen display is little unclear, not sure if
> there's actually anything to improve it (I uploaded the video in a quite
> large .wmv file).
>
> Planning to add more videos step by step later. Hope to encourage others to
> do the same (on complementary topics).
>
> Best regards,
> Mathias Lin
>
>
>
> Um, you are right. Confucius (551 B.C. to 479 B.C.) said "Excellence in
> Education for All" (有教无类 in Chinese).
>
> More YouTube?
>
> Regards,
>
> Shi Yusen/Beijing Langhua Ltd.
>
> 在 2009-09-01二的 16:30 +0200，Marwan Ajraoui写道：
> > Why you do not share your khnowledges about OpenCMS, OpenCMS LOVERS,
> > doing some tutorial(s)?
> > Will be really helpfull and usefull for many people. It is not worthy?
> >
> > cheers,
> >
> > Marouane
> >
> > 2009/9/1 Shi Yusen <shiys at langhua.cn>:
> > > Achim,
> > >
> > > "In other words: With mod_rewrite you either shoot yourself in the foot
> > > the first time and never use it again or love it for the rest of your
> > > life because of its power."
> > > (http://httpd.apache.org/docs/1.3/misc/rewriteguide.html)
> > >
> > > Replace "mod_rewrite" with "OpenCms", it's still right :).
> > >
> > > Cheers,
> > >
> > > Shi Yusen/Beijing Langhua Ltd.
> > >
> > >
> > > 在 2009-09-01二的 15:43 +0200，a.westermann at alkacon.com写道：
> > >> Hi Shi,
> > >>
> > >> your perspective reminds me on the following
> > >> (http://httpd.apache.org/docs/1.3/mod/mod_rewrite.html):
> > >>
> > >> "The great thing about mod_rewrite is it gives you all the
> > >> configurability and flexibility of Sendmail. The downside to
> > mod_rewrite
> > >> is that it gives you all the configurability and flexibility of
> > Sendmail."
> > >>
> > >> I never had an OpenCms project where I had to say: "No this is not
> > >> possible". In my beginnings with OpenCms I sure had to say: "I have to
> > >> take a closer look".
> > >>
> > >>
> > >> Kind Regards,
> > >> Achim.
> > >>
> > >> -------------------
> > >> Achim Westermann
> > >>
> > >> Alkacon Software GmbH - The OpenCms Experts
> > >> http://www.alkacon.com - http://www.opencms.org
> > >>
> > >>
> > >>
> > >>
> > >> Shi Yusen wrote:
> > >> > I remembered there was a PPT on OpenCms's struture which made OpenCms
> > >> > quite easy to understand. The main concept is something like this:
> > >> >
> > >> > 1. an HTTP request to servlet container such as Tomcat;
> > >> > 2. The servlet container forwards the request to OpenCms;
> > >> > 3. In OpenCms servlet, enter org.opencms.main.OpenCms first;
> > >> > 4. org.opencms.main.OpenCms produces an CmsObject instance;
> > >> > 5. The CmsObject instance contains the resource to visit and security
> > >> > who visits;
> > >> > 6. If the user has permissions to visit, using the loader of the
> > >> > resource to load it to the response; if not, error in response.
> > >> > 7. You can extend resource, loader, user, group, permission.
> > >> >
> > >> > Is it simple? Yes, if you know where to do the thing you want to.
> > >> >
> > >> > Is it simple? No, if you lost in OpenCms structure.
> > >> >
> > >> > My 2 cents,
> > >> >
> > >> > Shi Yusen/Beijing Langhua Ltd.
> > >> >
> > >> >
> > >> > 在 2009-09-01二的 12:51 +0200，Pablo写道：
> > >> >> Hi Gregor. I've been working with OpenCms for 6 months. I had to
> > >> >> either develop an application with OpenCms or find another job. Some
> > >> >> people love it. I still wonder why. If I had a choice I would run
> > away
> > >> >> from OpenCms and spend my time learning something else. You will
> > need
> > >> >> plenty of time to get familiar with OpenCms implementation and
> > >> >> configuration.
> > >> >> I am sorry if that is not what you or others like to hear. It is
> > just
> > >> >> another point of view.
> > >> >>
> > >> >>
> > >> >> 2009/8/30 Paul-Inge Flakstad <flakstad at npolar.no>
> > >> >> Hello Gregor!
> > >> >>
> > >> >> I was first introduced to OpenCms around 18 months ago. I
> > came
> > >> >> straight out of scool (where focus had been on OOP) and
> > >> >> thinking back to that time, I had a lot of the same
> > questions
> > >> >> you do (although I knew I _had_ to learn OpenCms as it was
> > >> >> already decided). What I did, was I didn't use OpenCms'
> > >> >> template one/two. I set out to create stuff myself, in an
> > >> >> effort to learn the system. Maybe not the best idea, but it
> > >> >> certainly gave me some insight, relatively fast. Before
> > long,
> > >> >> I also read the book (OpenCms 7 Development), which helped
> > me
> > >> >> a lot. It may be the single most useful resource if you want
> > >> >> to learn OpenCms, IMO.
> > >> >>
> > >> >> Now, I know there's not any good beginner guides out there.
> > >> >> Such things are mostly scattered around the mailing list,
> > >> >> forums and whatnot. But it isn't all that hard to build
> > stuff
> > >> >> from scratch. You'll just have to familiarize yourself a bit
> > >> >> with OpenCms and its mechanics; templates, resource types,
> > >> >> properties, collectors - and last but not least, modules.
> > The
> > >> >> hardest part for me was understanding the way templates
> > work,
> > >> >> since I wasn't too familiar with the concept of templates.
> > >> >>
> > >> >> I'd recommend you spend some days just setting up a
> > test-site
> > >> >> so you can fiddle around with these things. Being familiar
> > >> >> with Java will help you, as you will be able to examine the
> > >> >> docs. There are a lot of classes in OpenCms. Starting out,
> > >> >> here are a handfull of the important ones (add the
> > opencms.jar
> > >> >> library in your IDE project):
> > >> >> CmsJspActionElement / CmsJspXmlContentBean
> > >> >> CmsObject
> > >> >> CmsResource / CmsFile
> > >> >>
> > >> >> and also:
> > >> >> OpenCms (in org.opencms.main)
> > >> >> CmsProperty
> > >> >> (CmsJspNavElement)
> > >> >>
> > >> >> Also, you should read anything about "creating structured
> > >> >> content", "defining custom xmlcontent" and so on. Structured
> > >> >> content (also called xmlcontent, which is the "general type
> > >> >> name" OpenCms uses for all types of structured content) is a
> > >> >> simple way for you to define your own (structured) resource
> > >> >> types. You do the definition using one or more XSDs, and
> > this
> > >> >> is explained several places online and also in the book.
> > This
> > >> >> is perhaps a more advanced topic, often involving the
> > creation
> > >> >> of a new module, but I would not wait with this. It is
> > >> >> essential if you're thinking of building stuff from scratch
> > >> >> rather than using OpenCms' template one/two.
> > >> >>
> > >> >> I hope you do not ditch OpenCms. It is really a great tool,
> > >> >> and my bet is you'll enjoy it once you get to know it. Ask
> > >> >> your specific questions here on the mailing list, and I'm
> > sure
> > >> >> we'll try to help you along. :)
> > >> >>
> > >> >> Cheers,
> > >> >> Paul
> > >> >> ________________________________________
> > >> >> Fra: opencms-dev-bounces at opencms.org
> > >> >> [opencms-dev-bounces at opencms.org] på vegne av Florian
> > >> >> Heinisch [florian.heinisch at 3kraft.com]
> > >> >> Sendt: 28. august 2009 18:13
> > >> >> Til: The OpenCms mailing list
> > >> >> Emne: Re: [opencms-dev] Beginner completely lost
> > >> >>
> > >> >>
> > >> >> Hi Gregor,
> > >> >>
> > >> >> apparently you feel the same way I did when I started with
> > >> >> OpenCMS.
> > >> >> Except of you already have read the OpenCMS book ;-)
> > >> >> Well, IMHO OpenCMS has a really steep learning curve. As the
> > >> >> standard
> > >> >> installation of OpenCMS provides a lot of features it might
> > >> >> not that
> > >> >> easy to grasp every little detail of OpenCMS at the very
> > >> >> beginning.
> > >> >> I fully agree with you the documentation that comes along
> > with
> > >> >> OpenCMS
> > >> >> is not very beginner-friendly. And as far as I know there is
> > >> >> no
> > >> >> complete "how-to-build-a-website-from-scratch" tutorial.
> > >> >> You'll have
> > >> >> to grab all the necessary information from different
> > sources.
> > >> >>
> > >> >> Nevertheless, if you are firm with Java and the concept of a
> > >> >> J2EE web
> > >> >> application you should be able to get your website up and
> > >> >> running with
> > >> >> OpenCMS.
> > >> >> Therefore, I would suggest you'll do the following:
> > >> >> 1. Install OpenCMS with all the template2 modules
> > >> >> 2. Follow the instructions in the OpenCMS book to setup your
> > >> >> development environment (Eclipse) with WebDAV for efficient
> > >> >> development
> > >> >> 3. Develop a template from scratch as described in the
> > OpenCMS
> > >> >> book in
> > >> >> order to convert your website layout into a OpenCMS template
> > >> >> 4. Have a look at the existing content types (such as
> > Article,
> > >> >> News,
> > >> >> etc.) that come along with the standard OpenCMS installation
> > >> >> (template2). For the case that these content types do not
> > fit
> > >> >> your
> > >> >> needs, develop your own (also described in the book and in
> > the
> > >> >> OpenCMS
> > >> >> wiki).
> > >> >>
> > >> >> That's it basically. Feel free to share your problems with
> > the
> > >> >> mailing
> > >> >> list for the case that topic was not discussed yet :)
> > >> >> If you'll drop OpenCMS in favor of another open source
> > >> >> Java-based CMS
> > >> >> please let me know which one and for what reason (personal
> > >> >> interest).
> > >> >>
> > >> >> Good luck,
> > >> >>
> > >> >> Florian
> > >> >>
> > >> >>
> > >> >>
> > >> >> On Aug 28, 2009, at 5:39 PM, Gregor Schneider wrote:
> > >> >>
> > >> >> > -----BEGIN PGP SIGNED MESSAGE-----
> > >> >> > Hash: SHA1
> > >> >> >
> > >> >> > Hi there,
> > >> >> >
> > >> >> > I'm looking for an CMS in Java since due to our
> > >> >> security-policy PHP is
> > >> >> > not an option, and we don't know our ways aorund in Perl.
> > >> >> >
> > >> >> > Therefore, OpenCMS is (was?) one of our candidates, and
> > has
> > >> >> been my
> > >> >> > personal favourite until I started testing.
> > >> >> >
> > >> >> > Giving you some background-information:
> > >> >> >
> > >> >> > Installation 1:
> > >> >> >
> > >> >> > - - OS: Debian Edge
> > >> >> > - - DB. MySQL 5
> > >> >> > - - Java: SUN JDK 1.6
> > >> >> > - - Webserver: Tomcat 6
> > >> >> >
> > >> >> > Installation 2:
> > >> >> >
> > >> >> > - - OS: Windows XP
> > >> >> > - - DB: MySQL 5
> > >> >> > - - Java: SUN JDK 1.6
> > >> >> > - - Webserver: Tomcat 6
> > >> >> >
> > >> >> > On both installations I'm using OpenCMS 7.5
> > >> >> >
> > >> >> > Myself:
> > >> >> >
> > >> >> > I know my ways around in Java, JSPs, Servlets,
> > >> >> Tomcat-Administration,
> > >> >> > so there should hopefully not be any lack of knowledge of
> > >> >> essential
> > >> >> > components
> > >> >> >
> > >> >> > However:
> > >> >> >
> > >> >> > After having set up OpenCMS, all the questions began:
> > >> >> >
> > >> >> > - - Where's the documentation?
> > >> >> > - - Where's any sort of a good tutorial?
> > >> >> > - - How do i...?
> > >> >> >
> > >> >> > I have to setup a complete new webpage, so just editing
> > the
> > >> >> > demo-applications doesn't help at all.
> > >> >> >
> > >> >> > What I'm really, really missing is a step-by-step-howto
> > >> >> showing the
> > >> >> > following:
> > >> >> >
> > >> >> > All tutorials / books I read just start somewhere in
> > between
> > >> >> showing
> > >> >> > how to hack into existing pages, but not how to set up a
> > new
> > >> >> site from
> > >> >> > scratch.
> > >> >> > And yes, I looked into the Wiki, however, the points of
> > >> >> interest don't
> > >> >> > contain anything but a headline.
> > >> >> >
> > >> >> > Currently I feel that OpenCMS is one of those really bad
> > >> >> examples of
> > >> >> > an OpenSource-project, where the code is the docs. Ok, I'm
> > >> >> exagerating
> > >> >> > a bit.
> > >> >> >
> > >> >> > So if anybody could give me a piece of advice how to set
> > up
> > >> >> a new page
> > >> >> > incl. new templates, how to start, what's the best
> > practices
> > >> >> etc., I'd
> > >> >> > really, really appreciate this.
> > >> >> >
> > >> >> > My other option is to dump OpenCMS as a cms for our
> > company,
> > >> >> which I
> > >> >> > really dislike, however, currently that seems to be the
> > most
> > >> >> likely
> > >> >> > option.
> > >> >> >
> > >> >> > And yes, Ive read
> > >> >> >
> > >> >> > - - http://opencmsnewbie.netfirms.com/
> > >> >> > - - http://www.opencms-wiki.org
> > >> >> >
> > >> >> > The book from Packt Publishing: OpenCms.7.Development
> > >> >> (Apr.2008)
> > >> >> >
> > >> >> > Again, any hints are really, really appreciated.
> > >> >> >
> > >> >> > Cheers
> > >> >> >
> > >> >> > Gregor
>
>
> -----
> Mathias Lin
> SYSVISION Ltd., China
> http://www.sysvision.com
> --
> View this message in context: http://www.nabble.com/Beginner-completely-lost-tp25192160p25307022.html
> Sent from the OpenCMS - Dev mailing list archive at Nabble.com.
>
>
> _______________________________________________
> This mail is sent to you from the opencms-dev mailing list
> To change your list options, or to unsubscribe from the list, please visit
> http://lists.opencms.org/mailman/listinfo/opencms-dev
More information about the opencms-dev
mailing list