Re: Free wicket from component hierarchy hell
Hi! Please make sure that it passes all current test cases before submitting the patch. Also, it would be good to take the examples that have been given to you in this thread and create tests from them that demonstrate that they all work. Particularly important will be demonstrating the security example that Igor gave above. The security example is quite extreme and should be implemented in traditional way if there is no regression test for it. I'm telling you all this in advance, not to be mean, but to help you out. In this one thread, you've pulled out more responses from PMC members and committers than any thread in recent memory - and all of them agreed that it was a bad idea, and not likely to be implemented. So, if you submit a patch, it needs to meet all the above criteria to prove us all wrong. I'd rather tell you that up front than have you submit a half-working patch and then get shot down in a blaze of glory. :) I am planning to take more of a helper method approach that is not so invasive: HierarchyUtils.helpMeAddThisComponentToItsParent(panel, component); ** Martin -- Jeremy Thomerson http://wickettraining.com *Need a CMS for Wicket? Use Brix! http://brixcms.org* - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Free wicket from component hierarchy hell
On Fri, Nov 5, 2010 at 11:32 PM, Martin Makundi martin.maku...@koodaripalvelut.com wrote: Hi! Please make sure that it passes all current test cases before submitting the patch. Also, it would be good to take the examples that have been given to you in this thread and create tests from them that demonstrate that they all work. Particularly important will be demonstrating the security example that Igor gave above. The security example is quite extreme and should be implemented in traditional way if there is no regression test for it. there is nothing extreme about it, it is a common use of containers when implementing visibility/security. just the fact that this forces the traditional approach sounds scarry. -igor I'm telling you all this in advance, not to be mean, but to help you out. In this one thread, you've pulled out more responses from PMC members and committers than any thread in recent memory - and all of them agreed that it was a bad idea, and not likely to be implemented. So, if you submit a patch, it needs to meet all the above criteria to prove us all wrong. I'd rather tell you that up front than have you submit a half-working patch and then get shot down in a blaze of glory. :) I am planning to take more of a helper method approach that is not so invasive: HierarchyUtils.helpMeAddThisComponentToItsParent(panel, component); ** Martin -- Jeremy Thomerson http://wickettraining.com *Need a CMS for Wicket? Use Brix! http://brixcms.org* - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Free wicket from component hierarchy hell
The security example is quite extreme and should be implemented in traditional way if there is no regression test for it. there is nothing extreme about it, it is a common use of containers when implementing visibility/security. just the fact that this forces the traditional approach sounds scarry. I'm not scared that easily. Private members have a place and purpose. ** Martin -igor - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: navomatic example doesnt´t work
I´m using version 1.4.13
NavomaticApplication.java:
public class NavomaticApplication extends WebApplication
{
/**
* Constructor.
*/
public NavomaticApplication()
{
}
/**
* @see org.apache.wicket.Application#getHomePage()
*/
@Override
public Class ? extends Page getHomePage()
{
return Page1.class;
}
}
NavomaticBorder.html:
html xmlns:wicket=http://wicket.apache.org/;
head
titleWicket Examples - navomatic/title
link rel=stylesheet type=text/css href=style.css /
/head
body
wicket:border
p
table height=100%
tr
td height=100% valign=top
div wicket:id=navigationBorderNavigation Links
pwicket:link
Page1.html Page1
br /
Page2.html Page2
br /
Page3.html Page3
/wicket:link/p
/div
/td
td valign=top wicket:body /
/td
/tr
/table
/p
/wicket:border
/body
/html
WicketBorder.java:
public class NavomaticBorder extends Border
{
/**
* Constructor
*
* @param id
*The id of this component
*/
public NavomaticBorder(final String id)
{
super(id);
add(new BoxBorder(navigationBorder));
add(new BoxBorder(bodyBorder));
}
}
Page1.html:
html xmlns:wicket=http://wicket.apache.org/;
head
titleWicket Examples - navomatic/title
link rel=stylesheet type=text/css href=style.css/
/head
body
div style = width:250px
centerh3Page 1/h3/center
Welcome to Navomatic. The navigation links on the left
will allow you to navigate between three pages. Notice that
the current
page
(Page1) is displayed in the Navigation Links area as
italicized text,
while the other pages are displayed as clickable links. Go
ahead
and click the Page2 link now.
/div
/body
/html
Page1.java:
public class Page1 extends WebPage
{
/**
* Constructor
*/
public Page1()
{
add(new NavomaticBorder(navomaticBorder));
}
}
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Re: Ajax response render as source in the browser
Hi Igor,
Whats odd is that one guy was getting it on his iPad consistently and
when we asked him to try his desktop he's got the same problem on
Firefox on Mac. We initially though it might have been a browser
issue. We then got another user who got it only once on Chrome on
windows - all in the space of 1 day. We're worried that's it happening
more often but users are not reporting the issue.
Of course we cannot reproduce the issue, but its definitely happening.
So you don;t think the shared resource could effect the threads in any way?
Where can I start looking in the wicket code to understand where ajax
requests are serviced etc? Is there any where/docs I can find to get
started at looking at this? - at least to complete more my
understanding of how it all works.
thanks
Wayne
On Fri, Nov 5, 2010 at 10:05 PM, Igor Vaynberg igor.vaynb...@gmail.com wrote:
it may be a content type issue, but it is still weird because the
response is received by the xml http request object, not the browser
directly. strange indeed.
-igor
On Fri, Nov 5, 2010 at 7:51 AM, Wayne W waynemailingli...@gmail.com wrote:
Hi,
has anyone had this issue? We're getting emails from our users that
sometime when clicking on an ajax link the raw wicket ajax response is
being rendered on the browser - ie the just see all the html source
code on the page. Its not any particular page.
Anyone seen this or has any ideas?
The only thing we have changed recently was adding a non blocking file
download using a link and a shared resource which could be related due
to the Content Type.
In the configureResponse of the shared resource that we set the
Content Type for that request. Is there any chance that this is
somehow polluting the other threads requests?
public class DownloadFileResourceReference extends ResourceReference {
public DownloadFileResourceReference() {
super(DownloadLink.class, );
}
private static final long serialVersionUID = 1L;
public Resource newResource() {
Resource r = new Resource() {
private static final long serialVersionUID = 1L;
public IResourceStream getResourceStream() {
Long id =
getParameters().getLong(DownloadLink.DOCID);
// get file
return new FileResourceStream(new
File(file.getAbsolutePath()));
}
protected void configureResponse(Response response) {
Long id =
getParameters().getLong(DownloadLink.DOCID);
// get file
((WebResponse)
response).setAttachmentHeader(df.getFileName());
String mimeType =
ResourceHelper.getContentType(df.getFileName());
if (!StringUtils.isEmpty(mimeType)) {
((WebResponse)
response).setContentType(mimeType);
}
}
};
r.setCacheable(false);
return r;
}
}
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ModalWindow show only content
Hello, is it possible to show only modal window content without all these title bar stuff, close button and frames? -- View this message in context: http://apache-wicket.1842946.n4.nabble.com/ModalWindow-show-only-content-tp3029858p3029858.html Sent from the Users forum mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Free wicket from component hierarchy hell
On Sat, Nov 6, 2010 at 2:57 AM, Martin Makundi martin.maku...@koodaripalvelut.com wrote: I'm not scared that easily. Private members have a place and purpose. Yes, please don't make us have to expose our private parts. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Free wicket from component hierarchy hell
Hi!
I'm not scared that easily. Private members have a place and purpose.
Yes, please don't make us have to expose our private parts.
;) Here's a first attempt with few TODOs, however:
### Eclipse Workspace Patch 1.0
Index: src/main/java/org/apache/wicket/MarkupContainer.java
===
RCS file: /src/main/java/org/apache/wicket/MarkupContainer.java,v
retrieving revision 1.1
diff -u -r1.1 MarkupContainer.java
--- src/main/java/org/apache/wicket/MarkupContainer.java6 Nov 2010
12:17:36 - 1.1
+++ src/main/java/org/apache/wicket/MarkupContainer.java6 Nov 2010
12:18:00 -
@@ -20,8 +20,11 @@
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
+import java.util.HashMap;
import java.util.Iterator;
+import java.util.LinkedList;
import java.util.List;
+import java.util.Map;
import org.apache.wicket.markup.ComponentTag;
import org.apache.wicket.markup.MarkupElement;
@@ -112,7 +115,7 @@
{
super(id, model);
}
-
+
/**
* Adds a child component to this container.
*
@@ -1723,6 +1726,25 @@
}
return result;
}
+
+ private MapString, Component componentIdMapAidedComponent = new
HashMapString, Component();
+
+ public final MarkupContainer addWithAid(final Component... childs)
+ {
+for (Component child : childs)
+{
+ Component duplicateChild =
componentIdMapAidedComponent.put(child.getId(), child);
+
+ if (duplicateChild != null)
+ {
+// Fail-fast
+throw new IllegalArgumentException(exceptionMessage(A child
with id ' +
+child.getId() + ' already exists));
+ }
+}
+
+return this;
+ }
/**
*
@@ -1732,6 +1754,25 @@
void onBeforeRenderChildren()
{
super.onBeforeRenderChildren();
+
+{
+ // Add also aided children to their right place; all should now
exist in the map
+ for (Component child : new
LinkedListComponent(componentIdMapAidedComponent.values() /** remove
items from componentIdMapAidedComponent as soon as they are matched
*/))
+ {
+/*
+ * TODO Parse markup, find each component's real parent and add it onto
+ * its real parent
+ *
+ * TODO MarkupVisitor must not visit child markup when they have their
+ * own (maybe it's not even possible by default).
+ *
+ * TODO Throw exception if child id is matched multiple times.
+ */
+
+// Finally remove aided component from map
+componentIdMapAidedComponent.remove(child.getId());
+ }
+}
// We need to copy the children list because the children components can
// modify the hierarchy in their onBeforeRender.
**
Martin
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Re: Free wicket from component hierarchy hell
On Sat, Nov 6, 2010 at 7:20 AM, Martin Makundi
martin.maku...@koodaripalvelut.com wrote:
Hi!
I'm not scared that easily. Private members have a place and purpose.
Yes, please don't make us have to expose our private parts.
;) Here's a first attempt with few TODOs, however:
All right, let's take a look.
}
+
+ private MapString, Component componentIdMapAidedComponent = new
HashMapString, Component();
So, you just added a new Map to all markup containers that keeps components
in it? Why would you do that? We already have a storage mechanism for
children of a markup container. And, it takes less memory space than a
Map. Why do we need two storage containers for children? Why can't you
call add(foo) and get(fooID)?
+{
+ // Add also aided children to their right place; all should now
exist in the map
+ for (Component child : new
LinkedListComponent(componentIdMapAidedComponent.values() /** remove
items from componentIdMapAidedComponent as soon as they are matched
*/))
+ {
+/*
+ * TODO Parse markup, find each component's real parent and add it
onto
+ * its real parent
+ *
+ * TODO MarkupVisitor must not visit child markup when they have
their
+ * own (maybe it's not even possible by default).
+ *
+ * TODO Throw exception if child id is matched multiple times.
+ */
+
Oh, so all that's left is to do all the real work? :)
+// Finally remove aided component from map
+componentIdMapAidedComponent.remove(child.getId());
+ }
+}
Like I mentioned in my previous response on this thread - you need to come
to us with everything you've got. It needs to show us:
- a real working solution
- something that doesn't break existing stuff (real world apps, and
passes all existing test cases)
- test cases for itself and all new functionality
- proof that it doesn't allow the designers to easily break security
(like Igor's example)
I'm not trying to be difficult. I'm simply saying that you have an uphill
battle ahead of you. Many core committers have already told you that the
idea isn't real good. Then you come with a patch that simply adds a
bloated second place to store children in all markup containers? That's not
helping your case.
If you can truly present an elegant solution that solves all of the above,
we can consider it. But don't bring us noise that is laughably incomplete.
Like Brian said, make a branch (you can fork the git mirror to make this
easier) and start some development. This is not something that will be done
in an hour. You're going to have to sink some time into it. Do yourself
the favor of really working through the solution wholeheartedly.
--
Jeremy Thomerson
http://wickettraining.com
*Need a CMS for Wicket? Use Brix! http://brixcms.org*
Re: Free wicket from component hierarchy hell
Hi! + private MapString, Component componentIdMapAidedComponent = new HashMapString, Component(); So, you just added a new Map to all markup containers that keeps components in it? Why would you do that? We need to wait until all components are added so that we can arrange them into correct hireracy before rendering. We already have a storage mechanism for children of a markup container. Why do we need two storage containers for children? Why can't you call add(foo) and get(fooID)? If there is an existing way to accomplish the temporary caching of components to be added, that mechanism can be used. Another way to go about this would be to arrange children immediately whenever addWithAid(component) is called so that they would be in correct order when render is due. Oh, so all that's left is to do all the real work? :) True :) Like I mentioned in my previous response on this thread - you need to come to us with everything you've got. It needs to show us: - a real working solution - something that doesn't break existing stuff (real world apps, and passes all existing test cases) - test cases for itself and all new functionality - proof that it doesn't allow the designers to easily break security (like Igor's example) It's gonna take more than 5 min which I spent with the above. I take in the feedback and work on it. Then you come with a patch that simply adds a bloated second place to store children in all markup containers? That's not helping your case. As I said before, I would need help form wicket internals to efficiently leverage the existing mechanics. If you can truly present an elegant solution that solves all of the above, we can consider it. Do yourself the favor of really working through the solution wholeheartedly. We'll do that and keep posting for intermediate feedback ;) ** Martin -- Jeremy Thomerson http://wickettraining.com *Need a CMS for Wicket? Use Brix! http://brixcms.org* - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Free wicket from component hierarchy hell
We need to wait until all components are added so that we can arrange
them into correct hireracy before rendering.
May I suggest that components are added with help of a builder object, for
example:
public MyPanel(String id) {
super(id);
Builder b = new Builder(this); // the Builder gets reference to this MyPanel
b.add(new TextField(name)); // can be child of form which is added later
b.add(new SomeForm(form));
b.build(); // after this line this MyPanel contains the components name and form
}
If MyPanel's super class needs to access the same builder, it can provide a
constructor for it. In that case b.build() should be only invoked in MyPanel's
constructor.
If a developer uses more than one builder in a constructor, he can restrict
moving of components in markup to some extent:
public MyPanel(String id) {
super(id);
Builder b1 = new Builder(this);
b1.add(new TextField(name)); // in markup, name can't be put under form
because it's in a different builder
b1.build();
Builder b2 = new Builder(this);
b2.add(new SomeForm(form);
b2.build();
}
Of course this doesn't solve the problem Igor mentioned. For that you'd need
the old-fashioned way:
public MyPanel(String id) {
super(id);
SomeForm form = new SomeForm(form);
form.add(new TextField(name); // in markup, name can't be moved out from
form
add(form);
}
Developers would need to mix different approaches for building hierarchies if
security is an issue. On second thought, I should use a broader term than
security because there is more than one reason to restrict those pesky
designers ;)
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OpenLayer with google map problem
Hi Hi I have a web page that contais 2 layers from WMS , with google map. I have a problem when trying to zoom in or zoomout , when i do that , the layers positions changed , and when I turn them off then on they come back again to there correct positions.. Can any one please help me ? One More Thing : I'm thinking of making an event for zoom , so once the user uses zoom , a redraw for layers will happen , this is just what i was thinking of .. Kind Regards
Re: strange problem with redirect to buffer and URL encoded query string
trace the java side to see what is encoding the url. it may be a
number of things, but since its only happennig to you its probably
something in your environment. also what version of wicket are you
running?
-igor
On Fri, Nov 5, 2010 at 8:01 AM, Joe Hudson jhud...@interviewbot.com wrote:
Hi,
I am using a AjaxFallbackButton within a form. In this case the
response is saved to a buffer in the session and supposed to be
retrieved in the next page request.
The problem that I am facing is that the second request is providing
URL encoded query string and I can't figure out why... Here is what I
have tracked down:
The redirect is set by the listener interface request target:
boolean issueRedirect = (strategy ==
IRequestCycleSettings.REDIRECT_TO_RENDER || strategy ==
IRequestCycleSettings.REDIRECT_TO_BUFFER);
* I am set to REDIRECT_TO_BUFFER
In WebApplication.addBufferedResponse, we are properly adding the
buffered response to the map with the key of wicket:interface=:0
In the BufferedWebResponse, we are calling
httpServletResponse.sendRedirect(url) with the value of
wicket:interface=:0
* note: the value is URL encoded but even after encoding does not
change from wicket:interface=:0
On the next call, the query string retreived in WicketFilter (String
queryString = servletRequest.getQueryString();) is
wicket%3Ainterface=%3A0%3A%3A%3A%3A
This causes the call to webApplication.popBufferedResponse to execute
with the wrong key which of course finds no buffered response.
* I have verified at this time that the valid buffered response is
still there under the key of wicket:interface=:0
* I do get a response back except that all component error messages do
not show up because they were rendered to the buffer.
Can anyone please help me understand what is gong on here? I have
tried evaluating this in firebug to see where this strange URL
encoding is coming from but all I see in Firebug when I look at the
response is Failed to load source for:
{context}?wicket:interface=:0:wizard:form::IFormSubmitListener::. I
am using Wicket version 1.4.12 on Ubuntu and have tried this in both
Chrome and FireFox with the same result.
Any help would be greatly appreciated. Thanks.
Joe
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Re: Configuration of AbstractCalendar
i think its whatever format the yui component expects. -igor On Fri, Nov 5, 2010 at 9:25 AM, Jan Ferko julyl...@gmail.com wrote: Hi, Can anyone tell me what is format of map for AbstractCalendar.configureWidgetProperties(Map map) ? For example I want to set navigator property to true, but map.put(navigator, true) doesn't work. thanks for answer Jan - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Ajax response render as source in the browser
see AjaxRequestTarget class, this is where the response is generated
on the serverside
wicket-ajax.js is where it is processed on the client side.
-igor
On Sat, Nov 6, 2010 at 2:49 AM, Wayne W waynemailingli...@gmail.com wrote:
Hi Igor,
Whats odd is that one guy was getting it on his iPad consistently and
when we asked him to try his desktop he's got the same problem on
Firefox on Mac. We initially though it might have been a browser
issue. We then got another user who got it only once on Chrome on
windows - all in the space of 1 day. We're worried that's it happening
more often but users are not reporting the issue.
Of course we cannot reproduce the issue, but its definitely happening.
So you don;t think the shared resource could effect the threads in any way?
Where can I start looking in the wicket code to understand where ajax
requests are serviced etc? Is there any where/docs I can find to get
started at looking at this? - at least to complete more my
understanding of how it all works.
thanks
Wayne
On Fri, Nov 5, 2010 at 10:05 PM, Igor Vaynberg igor.vaynb...@gmail.com
wrote:
it may be a content type issue, but it is still weird because the
response is received by the xml http request object, not the browser
directly. strange indeed.
-igor
On Fri, Nov 5, 2010 at 7:51 AM, Wayne W waynemailingli...@gmail.com wrote:
Hi,
has anyone had this issue? We're getting emails from our users that
sometime when clicking on an ajax link the raw wicket ajax response is
being rendered on the browser - ie the just see all the html source
code on the page. Its not any particular page.
Anyone seen this or has any ideas?
The only thing we have changed recently was adding a non blocking file
download using a link and a shared resource which could be related due
to the Content Type.
In the configureResponse of the shared resource that we set the
Content Type for that request. Is there any chance that this is
somehow polluting the other threads requests?
public class DownloadFileResourceReference extends ResourceReference {
public DownloadFileResourceReference() {
super(DownloadLink.class, );
}
private static final long serialVersionUID = 1L;
public Resource newResource() {
Resource r = new Resource() {
private static final long serialVersionUID = 1L;
public IResourceStream getResourceStream() {
Long id =
getParameters().getLong(DownloadLink.DOCID);
// get file
return new FileResourceStream(new
File(file.getAbsolutePath()));
}
protected void configureResponse(Response response) {
Long id =
getParameters().getLong(DownloadLink.DOCID);
// get file
((WebResponse)
response).setAttachmentHeader(df.getFileName());
String mimeType =
ResourceHelper.getContentType(df.getFileName());
if (!StringUtils.isEmpty(mimeType)) {
((WebResponse)
response).setContentType(mimeType);
}
}
};
r.setCacheable(false);
return r;
}
}
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Re: navomatic example doesnt´t work
your page markup does not contain a tag with
wicket:id=navomaticBorder, also your border does not contain a tag
with wicket:id=bodyBorder
-igor
On Sat, Nov 6, 2010 at 12:59 AM, JayJay j.vondenbu...@gmail.com wrote:
I´m using version 1.4.13
NavomaticApplication.java:
public class NavomaticApplication extends WebApplication
{
/**
* Constructor.
*/
public NavomaticApplication()
{
}
/**
* @see org.apache.wicket.Application#getHomePage()
*/
�...@override
public Class ? extends Page getHomePage()
{
return Page1.class;
}
}
NavomaticBorder.html:
html xmlns:wicket=http://wicket.apache.org/;
head
titleWicket Examples - navomatic/title
link rel=stylesheet type=text/css href=style.css /
/head
body
wicket:border
p
table height=100%
tr
td height=100% valign=top
div wicket:id=navigationBorderNavigation Links
pwicket:link
Page1.html Page1
br /
Page2.html Page2
br /
Page3.html Page3
/wicket:link/p
/div
/td
td valign=top wicket:body /
/td
/tr
/table
/p
/wicket:border
/body
/html
WicketBorder.java:
public class NavomaticBorder extends Border
{
/**
* Constructor
*
* @param id
* The id of this component
*/
public NavomaticBorder(final String id)
{
super(id);
add(new BoxBorder(navigationBorder));
add(new BoxBorder(bodyBorder));
}
}
Page1.html:
html xmlns:wicket=http://wicket.apache.org/;
head
titleWicket Examples - navomatic/title
link rel=stylesheet type=text/css href=style.css/
/head
body
div style = width:250px
centerh3Page 1/h3/center
Welcome to Navomatic. The navigation links on the left
will allow you to navigate between three pages. Notice that
the current
page
(Page1) is displayed in the Navigation Links area as
italicized text,
while the other pages are displayed as clickable links. Go
ahead
and click the Page2 link now.
/div
/body
/html
Page1.java:
public class Page1 extends WebPage
{
/**
* Constructor
*/
public Page1()
{
add(new NavomaticBorder(navomaticBorder));
}
}
--
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Re: OpenLayer with google map problem
did you see the example project? 2010/11/6 Mohammed Abufouda eng.mfo...@gmail.com Hi Hi I have a web page that contais 2 layers from WMS , with google map. I have a problem when trying to zoom in or zoomout , when i do that , the layers positions changed , and when I turn them off then on they come back again to there correct positions.. Can any one please help me ? One More Thing : I'm thinking of making an event for zoom , so once the user uses zoom , a redraw for layers will happen , this is just what i was thinking of .. Kind Regards
Re: ModalWindow show only content
You can probably hide all the chrome with css -igor On Nov 6, 2010 4:09 AM, meduolis meduol...@gmail.com wrote: Hello, is it possible to show only modal window content without all these title bar stuff, close button and frames? -- View this message in context: http://apache-wicket.1842946.n4.nabble.com/ModalWindow-show-only-content-tp3029858p3029858.html Sent from the Users forum mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Free wicket from component hierarchy hell
here is a proper very rough initial implementation:
https://github.com/ivaynberg/wicket/commit/cbe861f4028120993f5d10d575f12c4ca291fdce
now someone has to mature it to the point where it can be properly evaluated.
-igor
On Sat, Nov 6, 2010 at 6:54 AM, samket sam...@gmx.com wrote:
We need to wait until all components are added so that we can arrange
them into correct hireracy before rendering.
May I suggest that components are added with help of a builder object, for
example:
public MyPanel(String id) {
super(id);
Builder b = new Builder(this); // the Builder gets reference to this MyPanel
b.add(new TextField(name)); // can be child of form which is added later
b.add(new SomeForm(form));
b.build(); // after this line this MyPanel contains the components name and
form
}
If MyPanel's super class needs to access the same builder, it can provide a
constructor for it. In that case b.build() should be only invoked in
MyPanel's constructor.
If a developer uses more than one builder in a constructor, he can restrict
moving of components in markup to some extent:
public MyPanel(String id) {
super(id);
Builder b1 = new Builder(this);
b1.add(new TextField(name)); // in markup, name can't be put under form
because it's in a different builder
b1.build();
Builder b2 = new Builder(this);
b2.add(new SomeForm(form);
b2.build();
}
Of course this doesn't solve the problem Igor mentioned. For that you'd need
the old-fashioned way:
public MyPanel(String id) {
super(id);
SomeForm form = new SomeForm(form);
form.add(new TextField(name); // in markup, name can't be moved out from
form
add(form);
}
Developers would need to mix different approaches for building hierarchies if
security is an issue. On second thought, I should use a broader term than
security because there is more than one reason to restrict those pesky
designers ;)
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[ANNOUNCE] Release Apache Wicket 1.5-M3
The Wicket team is proud to announce that we have released Apache Wicket 1.5-M3. This is a milestone release on the currently in-development trunk. To download: http://www.apache.org/dyn/closer.cgi/wicket/1.5-M3 Branch: http://svn.apache.org/repos/asf/wicket/branches/wicket-1.5-M3/ Changelog: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12310561styleName=Htmlversion=12315329 To use with Maven (the recommended way to use Wicket): dependency groupIdorg.apache.wicket/groupId artifactIdwicket/artifactId version1.5-M3/version /dependency -- Jeremy Thomerson http://wickettraining.com *Need a CMS for Wicket? Use Brix! http://brixcms.org*
