no way how to modify raw html stream in actual rendering?
On 11.2.2013 11:50, Michael Jaruska wrote:
based on this article:
https://cwiki.apache.org/WICKET/component-rendering.html in section onRender()
it should be possible to modify markup which is going from wicket (e.g. from
.html file)
and modyfied it send to client.
On 11.2.2013 11:34, Michael Jaruska wrote:
yes, i need that raw html that comes from markup (my .html file which is my
panel),
in java code i will modify it (one step for put new class) and send it to
client :-)
as i thnik now i dont need to delete previous step because this modifying isn't
in
markup. so i just need to modify markup in actual render - modify markup stream.
On 11.2.2013 11:26, Martin Grigorov wrote:
MarkupStream gives you the raw html that comes from the .html file, i.e.
from the template file.
It doesn't give you the html from the previous page render.
You need to send Ajax requests to update the server side state to be in
sync with the client side state (modified by your JS).
On Mon, Feb 11, 2013 at 11:22 AM, Michael Jaruska <michael.jaru...@gmail.com
wrote:
in fact, my panel is menu which is modified by javascript.
i need to keep track of the previous selected entry (to get know
javascript to disable element) and actual element to modify
(add class) for javascript.
javascript need to now at a moment "page rendered" where is
class which it is looking for.
so i need to modify html markup, modify it on client side by
javascript is not possible.
based on this article:
https://cwiki.apache.org/**WICKET/component-rendering.**html<https://cwiki.apache.org/WICKET/component-rendering.html>
it should be possible modify markup generated by component (my
panel).
On 11.2.2013 10:03, Martin Grigorov wrote:
Hi,
What do you want to do with the markup ?
Maybe you don't need to bother with internals like MarkupStream for
something that may be solved much easier.
On Mon, Feb 11, 2013 at 10:01 AM, Michael Jaruska <
michael.jaru...@gmail.com
wrote:
thanks, studied. but in my case not working. i don't know why, where is
my
mistake. try this code:
markup - base page:
<?xml version="1.0" encoding="UTF-8" ?>
<html xmlns:wicket>
<head>
<title>my test page</title>
<meta http-equiv="Content-Type" content="text/html;
charset=utf-8"
/>
</head>
<body>
<p>my test page</p>
<span wicket:id="myPanel">[my test panel]</span>
</body>
</html>
markup - my test panel:
<?xml version="1.0" encoding="UTF-8" ?>
<html xmlns:wicket>
<wicket:panel>
<ul>
<li>
<a href="./mypage.html?cid=menu">****my item</a>
</li>
</ul>
</wicket:panel>
java - base page:
public class PageBase extends WebPage{
public PageBase()
{
//my panel
this.add(new MyMenu("myPanel").****
setRenderBodyOnly(true));
}
}
java - panel:
ublic class MyMenu extends Panel{
public PanelMenu(String id)
{
super(id);
}
protected void onRender(MarkupStream markupStream){
while(markupStream.hasMore())
{
System.out.println(****markupStream.next());
}
}
}
i expect on console printed whole html markup for panel, but nothing is
displayed.
any ideas please?
On 10.2.2013 23:21, Sven Meier wrote:
See BorderBehavior#beforeRender(****Component) on how to iterate over
the
markup.
Sven
On 02/10/2013 11:09 PM, Michael Jaruska wrote:
my quick test:
@Override
protected void onRender()
{
super.onRender();
System.out.println(this.****getMarkup().toString());
}
get me just top-level tag in my panel, subtags isn't shown. how to get
whole
markup for my panel?
On 10.2.2013 22:38, Sven Meier wrote:
Sure, with #getMarkup() you can get hold of the component's markup.
With a MarkupStream you can iterate over it.
Sven
On 02/10/2013 10:23 PM, Michael Jaruska wrote:
again with my question: is it possible to get markup in onRender() of
the component?
have found this article:
https://cwiki.apache.org/****WICKET/component-rendering.****html<https://cwiki.apache.org/**WICKET/component-rendering.**html>
<https://cwiki.apache.org/**WICKET/component-rendering.**html<https://cwiki.apache.org/WICKET/component-rendering.html>
but in onRender() section is just code snippet I'm not understand. is
there more
detailed example how to get markup of the component in onRender()?
thanks, michael
On 23.1.2013 22:47, Martin Grigorov wrote:
You can use IMarkupFilter to manipulate the raw markup before being
loaded
and used by the components.
See the implementations in Wicket to see what can be done with such
filter.
On Wed, Jan 23, 2013 at 11:11 PM, Michael Jaruska <
michael.jaru...@gmail.com
wrote:
Look at my original post. User clicks on <a
href="./mypage.html?cid=menu/*
*submenu/subsubmenu2">******subsubmenu2</a>, then
I have in String "category" (java code) value
"menu/submenu/subsubmenu2".
I need just to make 2 more steps:
1. in html code find anchor tag with href
"menu/submenu/subsubmenu2";
2. find <li> tag which is parent of the anchor from point 1;
When I have point 2 done, then I know how to put somethink into
<li>
tag...
On 23.1.2013 21:21, Bas Gooren wrote:
Ok, so you are indeed looking for a way to change a html
attribute
;-)
Since you wrote (in your folluw-up e-mail) that you cannot
generate
the
html, there are some ways, but they mostly work outside of the
normal
wicket way.
1) In the component which actually renders your static html
override
onComponentTagBody and fiddle with the markup stream (e.g. look at
replaceComponentTagBody)
2) store the static html somewhere by itself, and create a custom
model.
The model can then load the html and perform string replacement.
You can then add a label component which uses the model and has
setEscapeModelStrings(false) set.
Met vriendelijke groet,
Kind regards,
Bas Gooren
Op 23-1-2013 21:11, schreef Michael Jaruska:
I need to find the parent <li> tag of the anchor user clicks - I
now
from PageParameters which anchor
has been clicked. Then I will put into this parent <li> specific
atribute (id="something"). This attribute
will be then processed by JavaScript on the page.
On 23.1.2013 21:04, Bas Gooren wrote:
Sorry, I read too quickly.
What are you trying to accomplish? Let's say you are able to
find
the
appropriate html tag, what do you want to do with it?
Met vriendelijke groet,
Kind regards,
Bas Gooren
Op 23-1-2013 21:01, schreef Michael Jaruska:
And question is not "how can I change html attribute" but "how
can I
go through html structure" and
find html tag with specific attribute :-)
On 23.1.2013 20:50, Bas Gooren wrote:
Hi!
What you want to accomplish (e.g. changing some html
attributes) can
be done by adding an attributemodifier to each <li> component.
In pseudocode:
RepeatingView uls = ...
for_every_li:
WebMarkupContainer li = ...
uls.add(li);
now, you can do something like this:
li.add(new AttributeAppender(...) {
isEnabled() {
return true if you want to append a html attribute;
}
});
Or alternatively:
WebMarkupContainer li = new WMC() {
onComponentTag(ComponentTag tag) {
super(tag);
tag.put("my-html-attribute", value);
}
}
Met vriendelijke groet,
Kind regards,
Bas Gooren
Op 23-1-2013 20:45, schreef Michael Jaruska:
Hi,
is there a way I can find specific html tag in markup?
I have this html structure:
<ul class="mymenu">
<li>
<a href="./mypage.html?cid=menu">******menu</a>
<ul>
<li>
<a href="./mypage.html?cid=menu/*****
*submenu">submenu</a>
<ul>
<li>
<a href="./mypage.html?cid=menu/*****
*submenu/subsubmenu1">**
subsubmenu1</a>
</li>
<li>
<a href="./mypage.html?cid=menu/*****
*submenu/subsubmenu2">**
subsubmenu2</a>
</li>
<li>
<a href="./mypage.html?cid=menu/*****
*submenu/subsubmenu3">**
subsubmenu3</a>
</li>
</ul>
</ul>
</ul>
I'm processing clicks on anchors with my page:
public PageTest(PageParameters parameters){
//cid = category id
String category = parameters.get("cid").******
toString();
...
}
Now I need some way I can add atribute into parent <li> tag
of
<a>
tag on which I do click.
Somethink like (pseudocode):
public PageTest(PageParameters parameters){
//cid = category id
String category = parameters.get("cid").******
toString();
//find corresponding <a> tag
Tag anchorTag = go_from_top_ul_tag_and_find_a_******
tag_by_category(category)
//have corresponding anchor tag, get parrent tag of the
anchor tag
Tag anchorParentTag = anchorTag.getParent();
//and now I can do my mysterious things with menu...
}
But I don't know where to start my search and I totaly don't
know
whot to look for in docu.
Please, help :-)
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