Errata for Grails

#44200: When creating the TekUser domain class the toString() code needs to read as follows to work properly in the view layer:

String toString(){
"$fullName"
}--John Seals

#44199: When defining the Sponsorship Domain Class the following code is required to get the view layer to display the Sponsor's name:

String toString() {
"$sponsor"
}--John Seals

#42356: Hi!

In figure 4.9 on page 63 above you have put a graphical display of the "Task" class. One of its properties is "String description"; however, on the rest of the page you only refer to "notes".

Could you change it one way or the other? "description" is IMHO the clearest, but YMMV.

P.S.: thanks for such a nice book! I would love to see more about AJAX integration in Grails in your chapter 7. Developers need to convince non-technical people with lots of eye candy, and things like the DoJo toolkit can certainly give that extra "punch". Another point would be to start using packages from the very start of the book; Grails 1.2.1's default behaviour now expects you to create domain classes in packages.

Best regards

--
Danai Sae-Han--Danai Sae-Han

#43703: In the constraints list:

* inList: Value must be included in the supplied listv

should probably be:

* inList: Value must be included in the supplied list.--Joel Bredahl

#40941: At the bottom of the page: "Since it is a Groovy Map, any element to which we assign a value will be added if it doesn’t exist." Remove "if it doesn't exist". The line of code that follows in the book shows that params.max will be overwritten even if params.max is already set (in fact, you'd miss the "limit list to a maximum number of entries" functionality if it didn't do this).--Brent

#41159: 2nd paragraph under 6.4 Grails Service Classes. 2nd sentence states "doesn't fit well in any a domain class". Should be "doesn't fit well in any domain class", IMHO. No 'a'.--Jeff Schmidt

#41160: In Figure 6.6, the task titles are displayed under Tasks. After creating the Task domain class on page 71, the toString() method is never defined. Thus, after I created a new event and the default tasks were added, they were shown as "Task:1", "Task:2", rather than the task titles. The same code (code/things/...) does have Task toString() defined.--Jeff Schmidt

#46286: The cut and paste of code into the new ajaxList.gsp at the top of page 116 should read: <g:link class="create" action="create" params='["event.id":"${event?.id}"]'>New Message</g:link> (Note: 'event.id' not 'eventId')

To confirm, go to page 112 top where this code parameter was created to insert into list.gsp and where this is correctly printed.--Timothy Good

#47201: The margin-left property needs to specify a dimension value.

Change:
out << "<div style='height:30; margin-left:${indent * 20};'>"

To:
out << "<div style='height:30; margin-left:${indent * 20}px;'>"

#41050: In the code listing

if (params.nickname)
flash.message = "TekEvent not found with id ${params.id}"
else
flash.message = "TekEvent not found with nickname ${params.nickname}"

The if clauses and else should be swapped or the if statement should read
if (!params.nickname)
--Martin OConnor