RE: FW: Customizing the grid to alter its own content
In the example in my last post I'm handling a Node which is a Text: I'm
creating a new Text node under the same parent and I'm setting the content of
the new node.
Now I would like to do the same for a Node which is an Element instead of a
Text, but I can't seem to see a way to set the content of an Element node.
F.ex. I have an Element which is
my text content
I create a new Element with same name and attributes, and the new element ends
up being
but I don't know how to set the text content in it. Can it be done ?
-Original Message-
From: Thiago H de Paula Figueiredo [mailto:thiag...@gmail.com]
Sent: Thursday, July 10, 2014 19:36
To: Tapestry users
Subject: Re: FW: Customizing the grid to alter its own content
On Thu, 10 Jul 2014 11:55:57 -0300, Davide Vecchi wrote:
> As usual, thanks a lot for the great assistance, and in particular for
> pointing me to DOM rewriting.
>
> List nodes = elementToModify.getChildren();
>
> if (nodes.size() == 1)
> {
> if (nodes.get(0) instanceof Text)
> {
> Text currentNode = (Text) nodes.get(0);
>
> Text newNode = elementToModify.text("pippo " +
> currentNode.toString());
>
> newNode.moveToTop(elementToModify);
>
> nodes = elementToModify.getChildren();
>
> nodes.get(1).remove();
> }
> }
I think the code is ok, even if it could have some improvements.
--
Thiago H. de Paula Figueiredo
Tapestry, Java and Hibernate consultant and developer http://machina.com.br
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Re: FW: Customizing the grid to alter its own content
On Thu, 10 Jul 2014 11:55:57 -0300, Davide Vecchi wrote:
As usual, thanks a lot for the great assistance, and in particular for
pointing me to DOM rewriting.
List nodes = elementToModify.getChildren();
if (nodes.size() == 1)
{
if (nodes.get(0) instanceof Text)
{
Text currentNode = (Text) nodes.get(0);
Text newNode = elementToModify.text("pippo " +
currentNode.toString());
newNode.moveToTop(elementToModify);
nodes = elementToModify.getChildren();
nodes.get(1).remove();
}
}
I think the code is ok, even if it could have some improvements.
--
Thiago H. de Paula Figueiredo
Tapestry, Java and Hibernate consultant and developer
http://machina.com.br
-
To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org
For additional commands, e-mail: users-h...@tapestry.apache.org
RE: FW: Customizing the grid to alter its own content
Right, in my case that Node is a Text. The following is what I'm doing in
afterRender method; it seems to work just fine although I don't know if that's
the recommended approach in DOM rewriting.
As usual, thanks a lot for the great assistance, and in particular for pointing
me to DOM rewriting.
List nodes = elementToModify.getChildren();
if (nodes.size() == 1)
{
if (nodes.get(0) instanceof Text)
{
Text currentNode = (Text) nodes.get(0);
Text newNode = elementToModify.text("pippo " +
currentNode.toString());
newNode.moveToTop(elementToModify);
nodes = elementToModify.getChildren();
nodes.get(1).remove();
}
}
Re: FW: Customizing the grid to alter its own content
On Thu, 10 Jul 2014 11:09:05 -0300, Davide Vecchi wrote: If I do Node node = element.getChildren().get(0); I do get a org.apache.tapestry5.dom.Node representing the element's content (its toString() just returns "Hello"), but even this Node object doesn't seem to me to have methods to change its content. Node is the abstract superclass of Element and Text, so you'll need to cast them before doing more useful stuff. Or maybe I should create a new Node instance containing the text I want and then use this instance to replace the existing Node instance in the children list, like element.getChildren().set(0, newNode); That's an option too. -- Thiago H. de Paula Figueiredo Tapestry, Java and Hibernate consultant and developer http://machina.com.br - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
RE: FW: Customizing the grid to alter its own content
I'm trying to use DOM rewriting for the purpose of modifying the content of some grid cells. I modified GridCell class adding a void afterRender(MarkupWriter writer) method, and in it I can retrieve the Element (org.apache.tapestry5.dom.Element) containing the value I want to modify. For ex. the toString() of one of these Element-s returns: Hello But I'm not sure how to change that "Hello" into something else. The Element class doesn't seem to me to have methods for that. If I do Node node = element.getChildren().get(0); I do get a org.apache.tapestry5.dom.Node representing the element's content (its toString() just returns "Hello"), but even this Node object doesn't seem to me to have methods to change its content. Or maybe I should create a new Node instance containing the text I want and then use this instance to replace the existing Node instance in the children list, like element.getChildren().set(0, newNode); ?
Re: FW: Customizing the grid to alter its own content
I've done this by adding a mixin to GridCell with a worker. The mixin can override the behavior of the component in various ways including dom rewriting. I would not override the display blocks because there are a lot of them and a library could install more. On Mon, Jul 7, 2014 at 9:14 AM, Thiago H de Paula Figueiredo < thiag...@gmail.com> wrote: > On Mon, 07 Jul 2014 10:48:48 -0300, Davide Vecchi wrote: > > I forgot to answer your question >> >> Another question: do you want to do this for >>> every column, regardless of the type of its value (String, Date, boolean, >>> etc) or not? If yes, then you may use Tapestry DOM rewriting. >>> >> >> The answer is actually yes, so I will look into Tapestry DOM rewriting. >> > > Actually, you can still override the display blocks for all types, but I'm > not sure that's a good idea. You'd probably need to implement parts of what > the out-of-the-box display blocks already do. > > > -- > Thiago H. de Paula Figueiredo > Tapestry, Java and Hibernate consultant and developer > http://machina.com.br > > - > To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org > For additional commands, e-mail: users-h...@tapestry.apache.org > >
Re: FW: Customizing the grid to alter its own content
On Mon, 07 Jul 2014 10:48:48 -0300, Davide Vecchi wrote: I forgot to answer your question Another question: do you want to do this for every column, regardless of the type of its value (String, Date, boolean, etc) or not? If yes, then you may use Tapestry DOM rewriting. The answer is actually yes, so I will look into Tapestry DOM rewriting. Actually, you can still override the display blocks for all types, but I'm not sure that's a good idea. You'd probably need to implement parts of what the out-of-the-box display blocks already do. -- Thiago H. de Paula Figueiredo Tapestry, Java and Hibernate consultant and developer http://machina.com.br - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
