Hello I write this because I started with the Joomla! component development tutorial and I am lost. I have use MVC pattern in other developments and the idea is always the same: model store data, the view ask for data and the controller manage that data flow.
The problem is that in Joomla it is a mess. I have done 5 points of the tutorial, getting data from data base, and without using a Controller. When you have to render a view you have a view.html that does not contain the html code and then, a default.php that contains it. After this, when you start using Controllers, to me, is a party of files randomly placed in different folders. I don't understand a thing because they explain too few appart from "place this file in this route" or add these lines in this file.
So can anybody who understand their implementation of MVC pattern explain it to me? Thanks in advance =)
Related
I've been developing a web application in CakePHP 2.x that uses an Image cropping tool to manipulate an image. Currently it passes Ajax calls to handle the manipulation onto a function within the current Controller which then calls a Component which contains the main processing and functionality.
I'm currently going through and refactoring this section of the code and I was wondering if it's possible to directly call the Component from Ajax and whether or not it is a good idea or not as it would simplify a chunk of the code if possible.
Thoughts, opinions and tips are greatly appreciated. Thanks :)
I'm currently going through and refactoring this section of the code and I was wondering if it's possible to directly call the Component from Ajax and whether or not it is a good idea or not as it would simplify a chunk of the code if possible.
It's not a good idea because this is how components are thought to be used. A component is not thought to receive a request directly but to provide additional - reuseable functionality - to the controlller level in the MVC pattern.
Taken from the documentation:
Components are packages of logic that are shared between controllers. CakePHP comes with a fantastic set of core components you can use to aid in various common tasks. You can also create your own components. If you find yourself wanting to copy and paste things between controllers, you should consider creating your own component to contain the functionality. Creating components keeps controller code clean and allows you to reuse code between projects.
In the last 3 months, i have learnt html, css, js and php and now i'm trying to learn Framework Codeigniter. My teacher gave me a rough idea abt MVC and asked me to download a project made on codeigniter from internet and edit it.
I downloaded a login form project and tried to read it. But i'm still kind of confused how everything works. i hv 2 questions:
What is the correct approach to learn codeigniter?
In how many days one can learn codeigniter? (i practice around 6-7 hrs a day)
The best way to learn codeigniter is to read the manual of codeigniter
Because, codeigniter framework is so much popular for their well formatted and clean documentation.
Or you can check this for beginner level tutorial
Or if you want to learn codeigniter by doing practical projects then you can follow this link
I learned CI over a weekend using this technique.
Start with simply setting up a 2 page site.
Home and About Us.
Pass simple string variables from the controllers to the views.
Next, bring a model into it.
Make a method in your model that returns some plain text, to the controller and finally to the model.
Next, make the model actually make a request to your database and return the result to the constructor then view.
After that try these:
write a helper function
Try making a basic route
Log a debugging message
upload a file from a form using the upload library
That's a good grounding in CI
Keep in mind Codeigniter is no longer in development also.
If your keen on sticking with PHP, you might want to check out the similar active project called "Laravel" after getting the hang of CIs very simple MVC structure.
Good luck!
the common way is read their manual and follow the guide, the another approach is search youtube for codeigniter turial, there are many good tutorial out there and easy to follow for example here is my result in the first place for keyword "codeigniter tutorial"
https://www.youtube.com/watch?v=BP9NRZXOvIw&list=PLIQyGVrcLTeXsq37O7IBGaUwu6xEwqBWV&index=1
I've an existing MVC3 project that implements a certain functionality, this project has it's own views, and a separate Database.
now I'm required to use the same functionality inside one of my orchard project,so I thought that I can host this solution in somewhere and view it inside an iframe or something.
Am I thinking right?,
is this the correct step to take in order to achieve this requirement inside Orchard?
to make it more clear, all I need to do is to view this solution and interact with it's controls and views from a hosting page inside orchard, and the subsequent requests should be handled by my solution in order to hit it's own data store and get back with the requested data in order to be displayed to the user.
any help would be appreciated.
Update:
thanks for Bertrand Le Roy for his answer, I can now view my solution inside my
orchard website.
I came in to one more HUGE problem, which is that my application can no longer connect to my external database.
I've a DB that is hosted in some where else, and I'm using EntityFramework to deal with it.
the problem is that if I put the connection string inside my module web.config, or main orchard web.config, I run into several types of errors like:
"System.Reflection.TargetException: Object does not match target type."
or
"System.Data.MetadataException: Unable to load the specified metadata resource."
My question is: How could I pass my connectionstring correctly to my solution, assuming that I'm using Entity framework as my ORM.
Many thanks.
You will need to put it into a module.
You will have to move route definitions to a Routes.cs file (look at any existing such file for examples).
You will also need, in order to access your data store, to opt out of the ambient Orchard transaction around the data access code (using (var scope = new TransactionScope(TransactionScopeOption.Suppress))).
If you are using dependency injection, you may have some work to move that to the Autofac-based way of doing things in Orchard.
If you want your work to appear seamlessly in the Orchard admin, you may want to decorate your admin controllers with the Admin attribute. If you want your front-end to use the current theme, you'll have to add Themed attributes and maybe refactor your views so that they only emit HTML for the content zone instead of for the whole page.
Add a manifest (module.txt) to your module folder and you should be good to go.
I'm using PyroStreams on my PyroCMS-based site, which is working great, but the front-end search functionality it offers is a bit too limiting for my needs.
My stream consists of over 20 fields. On each page of the site I want a simple keyword search box which will search on 3 of the fields in my stream. Currently I'm using the PyroStreams search form for this and it's working great.
But I also want an advanced search page which will build a form based on all 20 fields, pulling in data from the stream to build it, e.g. in my steam I have a field-type of Country and on my advanced search form I want to include a dropdown list containing all the countries found within that field-type.
What I'm asking is what is the best approach to doing this?
Should I build my own module, separate from the PyroStreams module to perform this, or is that a bit of a sledgehammer to crack a nut?
I'm a bit of a novice in this field so all help & advice is greatly appreciated.
Tony.
Just Grab sample module from here...https://github.com/pyrocms/sample and understand the folder and file structure.. Its quite easy to develop custom module in pyrocms.You just have to provide basic module detail in the detail.php to install the module. then create a new controller with the same name as module in controllers folder and same for the view and model. you can easily understand once you will go through the sample module..
url stucture will be like this
{{ url:site }}controller_name/method_name/paramate of method.
Hopefully this will help you..
This is a late answer, but PyroCMS now has a search module.
You can see the documentation to learn how to use it from a developers point of view here:
PyroCMS 2.2 Search Documentation
i have created a component using this http://www.notwebdesign.com/joomla-component-creator/index.php component creator how can i add a simple registration form in that and also make its backend looks like the other component
The name of that utility is a little misleading since it only creates the structure of a component. If you want to add functionality to the structure created you will need to actually put in the code that does what ever you need it to do. Think of this as the foundation and framework of a house. You actually have to put the walls up and furnish it.
It would probably be helpful to understand the files that have been created for you so you know what needs to be added. I would recommend learning how to build a component from scratch first. Joomla has pretty good documentation on that here - http://docs.joomla.org/Developing_a_Model-View-Controller_Component_-_Part_1
i have develop the Lots of component from this site http://www.notwebdesign.com/joomla-component-creator/index.php .
1) First Create the components and give the name and crrate the require field fo the registration from .and save the components then after the download this components.
2) Install the components in your joomla site.
3) Go to the Fornt-end view components folder. and create a form in the default.php page and save and update operation query is written in the model .
Your Registration page is ready.
This tutorial is the best I have come across so far. It will hopefully guide you to understand the MVC structure that the component generating site delivers to you.
I am actually the developer of the Component Creator you have used. It only creates the MVC files and structures needed to quickly create a component. You still need quite good PHP skills to develop a fully working component.
The component creator helps developers with the tedious tasks of building the framework.