Overwrite B2BAcceleratorProductAddToCartComponentRender in b2b2acceleratoraddon from another addon - sap-commerce-cloud

How can I overwrite the B2BAcceleratorProductAddToCartComponentRender from my addon. I need to replace some JSP and the only way I see is to overwrite this class.

find the bean definition of B2BAcceleratorProductAddToCartComponentRender and override in spring.xml in your addon.

Addons are a tricky stuff in hybris. I had create also a question about 'how work with addons':
see here
here are some information about the b2bacceleratoraddon itself.
here are some information customizing with addons

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Write custom grid layouts with extbase/fluid but without any extension like gridelements

I look for a tutorial, help or an example that tells me what I have to do to write a grid element like 2-colums in basic typo3 (v9) with fluid but no other extension like gridelements, DCE, Templa Voila, etc. I want the same gridelements can do but I dont want to be depended to this extention and move it in my own site extention.
I tried the same with normal content elements (CE) like here:
https://docs.typo3.org/c/typo3/cms-fluid-styled-content/9.5/en-us/AddingYourOwnContentElements/Index.html
But how can I nest a CE in a CE? And how can I do this by drag&drop in the backend?
You can't. The page module doesn't support nesting
You can't nest CEs in a CE. On database level this would mean that you have to make a tt_content record a subrecord of a parent tt_content record. You run into several problems, basically the multilanguage support will be broken and the shortcut element does not function as you will expect it to. That is why the extensions "gridelements" and "mask" exist.
I integrated the gridelements configuration into my sitepackage. So I do not need to bother anymore with it.
Just for your info:
There is now an initiative that works on integrating this functionality into the core (Structured Content Initiative, https://typo3.org/article/a-structured-content-initiative/). Stay tuned to it.
There is nothing special about providing Gridelements via external files, since it's based on TSconfig, TypoScript and Fluid. That's why there is not that much about it in the documentation, since it's the same thing you would do with any other kind of sitepackage. The TSconfig and TypoScript parameters are already explained there, while the Fluid would be up to you anyway.
To have a kind of kickstarter just take any extensions providing Gridelements layouts as an example. A very popular one would be bootstrap_grids, which can be found in the TER or here: https://github.com/laxap/bootstrap_grids
You don't necessarily need the flexform controller of that extension, but the Configuration and Resources folders, show you how to configure stuff and you can see how that is included via ext_localconf.php
There are even comments i.e. in the TSconfig files to explain what is possible there and how to handle i.e. mixed environments with record and file based setups. Although it would be recommended to go for files.
You would at least have to add the necessary backend rendering methods to a draw item hook, that will modify the preview of the container element.
So basically you would have to rewrite everything that DCE, Flux, Gridelements or other similar extensions already do.
Which brings us to the question, why you want to avoid those extensions, since especially those three are well known, widely spread, well supported and available for currently supported TYPO3 versions.

Adding new section in control panel of Liferay

I want to add a new section in control panel of liferay and within that section I want to have my custom-portlet. I did it using ext. However I want to do it with hook . Is it possible ?
I don't think it would be that easy with a hook, because of the following reasons:
You can't modify in a Hook - the class com.liferay.portal.util.PortletCategoryKeys which contains the keys for displaying the different sections. The different sections are hard-coded in this class in a String array ALL.
You can't modify the logic of PortalImpl#isControlPanelPortlet() which uses the PortletCategoryKeys#ALL to determine if the request in question is for a control panel portlet.
Then you also have another method which you can't modify with a Hook and is used extensively PortalImpl#getControlPanelCategory()
Doing it with a hook:
I have not tried this but I think if you need to do it with a hook you would have to change all those JSPs which make use of PortletCategoryKeys#ALL and the methods of PortalImpl as stated above, and provide your custom implementation for all these methods in the JSP.
I would really like to know how you implemented it with an EXT may be just the steps or the methods you have overridden. So that I can try to convert those in terms of a hook.
This is as far as my understanding goes. Hope this helps.
With the advent of Marketplace, ControlPanel has a new category named "Marketplace" and that section is introduced in a plugin. However, I never checked if 6.1 GA2 introduced a new section that this plugin just fills. Check the marketplace plugin if you can find a trace of this section implemented there.
On the other hand, nobody has yet named any section that definitely required a new section (though some have asked me how to solve the same problem). For this reason, you might want to re-think the requirement and choose one of the existing sections. If you don't, at least I'd be interested in the name and purpose of the new section - I might find a first one actually justifying this kind of implementation...

How add custom method and fields to Liferay User model class

I want to add 3 more methods and one field to liferay.portal.model.User class. Anyone knows how can I do this? Can I switch the class by hook like this:
<service>
<service-type>com.liferay.portal.model.User</service-type>
<service-impl>my.pack.userExpanded</service-impl>
</service>
I want to have a close look at service builder but can't find good sources which will show how to switch liferay class with my own class (cause of too many uses).
So second question is does anyone know about some good tutorial or blogs regarding this? Especially I am interested in adding extra methods and fields.
The standard Liferay Developer Documentation is good:
http://www.liferay.com/documentation/liferay-portal/6.1/development/-/ai/overriding-a-portal-servi-4
Another alternative is to add Custom Fields to User entity:
You can't modify a liferay entity. Neither you can use hook to modify these things, hook can only modify limited things as suggested by the documentation.
I don't think you can even use a EXT to modify a liferay entity.
So now the what comes to my mind remains is to create custom-fields for your field requirement and build a helper utility class which will provide you with your required User methods.
You can make the helper class available to the portal by packaging in a jar and pasting it in the global path (in tomcat [TOMCAT_HOME]/lib/ext).

What is PortletURLListener used for? And can I make use of it in a hook?

Can somebody give me a use case as to how can the PortletURLListener be used? if it can be used at all?
Like we have ModelListener can we also use PortletURLListener?
Just like in ModelListener we can inject functionality on creation of a model, on update of a model or on delete and so on.
So can we use the PortletURLListener the same way like ModelListener to do
something when a specific URL is called? Any other approach if not PortletURLListener? Since the name is such I thought that could be of help.
And can we use it in a hook? or it is just used by Liferay? Any other practical usecase you have seen or implemented by extending or using this class?
Thanks in advance.
Thanks Mark for the prompt :-)
The PortletURLListener is used e.g. for deploying and undeploying by Liferay core. For more details see Liferay sources for PortletHotDeployListener:
https://github.com/liferay/liferay-portal/blob/master/portal-impl/src/com/liferay/portal/deploy/hot/PortletHotDeployListener.java
Answer after Update:
You can create hook and put servlet.service.events.post=com.my.MyAfterChangeAction propery to the portal.properties. The MyAfterChangeAction class must implements com.liferay.portal.kernel.events.Action.

Bug template in Bugzilla

Is there any way to enforce a template in Bugzilla to guide users fill in bugs descriptions ?
Actually, i'd like to put some markup texts in the bug description field and avoid the creation of custom fields.
I've installed version 3.2rc1.
Indeed, just check ../enter_bug.cgi?format=guided , which forms an example of the template feature. Half the work is already done for you.
The mechansism described under 6.2.5 Particular Templates (under the section called bug/create/create.html.tmpl and bug/create/comment.txt.tmpl) works pretty well for us. Even though you say you don't want to create custom fields, adding some arbitrary HTML is easy enough.

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