I'm trying to render a layout template with nested portlets inside my custom Liferay portlet. Liferay's own "Nested Portlets" portlet does it using the RuntimePortletUtil in view.jsp:
RuntimePortletUtil.processTemplate(application, request, response, pageContext, out, velocityTemplateId, velocityTemplateContent);
When I do the same in my portlet however, I get the following error as soon as I put any portlets inside the layout template:
[render_portlet_jsp:157] javax.servlet.ServletException: File "/html/portal/render_portlet.jsp" not found
at org.apache.jasper.servlet.JspServlet.handleMissingResource(JspServlet.java:412)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:379)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
Can RuntimePortletUtil only be used in the Liferay portlet context or is there a way to get this working in my own portlet?
It looks like the implementation requires a file /html/portal/render_portlet.jsp which you might not have. It might be as simple as checking that file, see if you only need it or a few more resources.
However, instead of hunting that implementation down, I'd recommend looking at the underlying problem that you'd like to solve: IMHO Layout Templates are by far the easiest plugin types you can have in Liferay. All the examples I've seen for nesting Layout Templates looked more like a quick hack than like a proper solution. My recommendation is to provide some custom layout templates: It typically won't be a huge number of them, as increased numbers of layouts are typically increasingly confusing to the end user.
NestedPortlet is implemented inside Liferay's core and does not make any assumptions about running outside. While it might not be the best architectural decision to implement it depending on the server, nobody paid attention to make that code able to run outside of the portal - do yourself a favor and make your life easier by checking a different solution.
Related
I'm using Primefaces and I know that p:panelGrid extends h:panelGrid as it's clearly stated in the documentation.
However I can't see the exact difference between them. What extra functionalities does p:panelGrid provide? In which cases should I prefer using the Primefaces version over the HTML Basic one?
Although p:panelGrid extends h:panelGrid, it actually lacks many of the attributes that h:panelGrid contains. Which ultimately got me confused.
I can't speak for PrimeFaces' actual intention (I'm no PrimeFaces developer), but based on my observations so far, I can only conclude that they omitted attributes which only invite bad practices in HTML perspective (mainly HTML-deprecated attributes — use CSS instead) or makes no sense otherwise (and are better at its place in a parent or child component). I can only say that it's a Good Thing.
Upon further inspection in the source code I can also confirm that it doesn't technically extend from <h:panelGrid> (HtmlPanelGrid class), but from the UIPanel superclass (which is also used by a.o. <h:panelGroup>). This design decision is most likely done to have more flexibility in the rendered output as shown in the showcase.
Generally, you should only prefer an enhanced component whenever you start to actually need the enhanced/new feature. This usually only happens once you figure out you actually need such one feature and discover that it is missing in the standard component. You'd then usually already know the keywords you're looking for and simply start exploring the component libraries using those keywords if they haven't already implemented it.
I am creating a new footer sublayout in sitecore for use in multiple sites (we run a multi site environment). Currently a sublayout called StandardLayout is used, but I would like to change this across several of our sites to a new layout GlobalFooter.
The problem is that child items of the Home Page have overridden layout components, so what I would like to know is if there is an easy way to change the layout without losing all of the overridden components (as I expect that I may need to reset the layout in order for the flow down to occur)?
I am hoping to be able to just change the top level element (Home) and then have this flow down to the child elements, otherwise this task will become very long and tedious if I need to go through each item and change the presentation to use the new footer.
The icon circled in red in the image above indicates that the presentation has been overridden for that particular sitecore item.
To answer your question, directly, there is no way to apply an update of the presentation details of a template to templates that inherit from it that have had their presentation details changed without losing the changes.
The solution described in the blog post you linked to is the best solution for updating inherited presentation details in this manner. IMHO, I believe that this functionality should have been built into Sitecore long ago as a separate button on the ribbon, and you may choose to add one if you are so inclined. If you do not have the time to do so however, creating an admin page that you later delete from the site after using is a perfectly viable solution as well.
This post appears to detail a way that I can achieve my goal, basically I would create a admin page that does not publish and put the code in the blog into it to update the layout via a button trigger.
https://www.sitecore.net/Learn/Blogs/Technical-Blogs/John-West-Sitecore-Blog/Posts/2011/09/Programmatically-Update-Layout-Details-with-the-Sitecore-ASPNET-CMS.aspx
I am using orchard cms v 1.4 and developing some site content that is stand alone and does not use the standard theme. I would like to use some of the resources already declared in manifest files on the non-themed views. However they only render when I apply a theme to the controller or the specific view.
In my view I am including the following:
#{
Script.Require("jQuery").AtHead();
}
This only functions as expected when I include: [Themed]
as an attribute on my controller.
Any idea's on how to get this to work without creating a full theme for my stand alone pages?
Yes, see http://weblogs.asp.net/bleroy/archive/2012/10/20/writing-an-unthemed-view-while-still-using-orchard-shapes-and-helpers.aspx
What's important is that you use a shape as the model. Themed or not doesn't matter then.
I' working on a library control for Xpages and need some help in creating.
I would create a control which reads a configuration file and creates controls in a table, controls like Editboxes, checkboxgroups and so on.
so and now to my questions:
could I initiate controls from the Exlib or must I implement them all by my self?
if I could use them from the Exlib could anyone explain me how?
I hope its clear what i mean if not please ask me for further informations.
When creating your own components, if you're closely replicating some behavior that is already in an extension library component, I highly recommend you extend that component and just add what's needed to accommodate your different functionality. This makes things much easier and you don't have to code around every little scenario that the component might be placed in.
But, if you are developing a component that is nothing like any of the extension library or core components then just ensure your component extends UIComponent or UIComponentBase. If going this route, you'll also need to create your own renderer which extends Renderer. This is what will build the on-screen representation of your component. Again, if there's already something in the core components or extension library components that closely mimics what you need then make your renderer extend that renderer. Also, don't forget to include the renderer definition in the faces-config file and the component definition in the xsp-config file or your component won't work.
As for initiating controls from the extlib.... I assume you mean can you inject them onto the page at runtime. If so the answer is absolutely yes. To add an input text field to the page where there is a container (i.e. panel, div, span, whatever) with an ID of "someContainer"
XspInputText input = new XspInputText();
input.setValue("someValue");
input.setId("someID");
UIComponent container = FacesContext.getCurrentInstance().getViewRoot().findComponent("someContainer");
container.getChildren().add(input);
To see the api for all of the core and extension library components take a look at the XPages Controls Documentation. For a more complete tutorial on creating your own components take a look at my blog for creating a custom component inside an nsf, the steps are pretty much the same for putting them into a library:
Part 1,
Part 2 and there is an example database in the Part 2 post.
I have links and pictures related to these links on my page. I want to change the pictures everytime when onmouseover event occurred in the links. I want to do this in JSF.
A lot of Thanks to everyone.
You are looking specifically for JSF to do it, or you are open to other Javascript frameworks that provide a slick and easy solution on this? For example Jquery and Dojo etc may be easy to incorporate in your application and will give Rich UI effects.
On the other hand if you are looking at JSF specifically for these UI effects than probably I can try to think of some ways and let you know.
JSF isn't designed directly to do this; It's designed to give you the tools to do this yourself. In order to do this you would need to create a custom JSF component to do this and you would use Java script to do it.
You could possibly find a JSF framework that does this already (a4j, IceFaces, etc.) but this is such a simple and well documented JavaScript thing that just tossing a little Java script among your JSF is perfectly acceptable. However, if you don't want to reinvent the wheel, take a look at those other options.
Javascript solution:
Define onmouseover event on the commandLink tag calling some kind of javascript you may give link address from like onmouseover="doSomething('addressOfImage')" then in doSomething javascript method, first find the image, then set src attribute of a default image to given address.
JSF Solution:
You might want to use a4j for this.
Add a4j:support to link for onmouseover event then just rerender graphicImage component ofcourse you need to give value of graphicImage dynamically. There is an example of using a4j support below. You can add this a4j:support between your link tags for mouseonover event. Then manage everything on backing bean to handle which image to be displayed.
example
<h:graphicImage id="imageToBeRendered" value="#{myBean.imageAddress}"/>
Just google a4j if you have no idea.