tapestry

问题 I just realized after reading this article that I can not explain to myself how it works and what problems it can solve. Yes, It could be used to change the behavior of existing component. But how it is limitated? What can I do, and what I can not do? Is it better than inheritance? This article is helpful but I'm still confused a lot. Can anyone explain Tapestry mixin using simple words ? 回答1: Tapestry Mixin is a limited version of component that should be attached to another component and

问题 I'm trying to loop through a hashmap and display a number checkboxes with id the key of the hashmap and label the value of the hashmap. Anyone knows how the tapestry syntax for that is? Cheers Dimitris 回答1: You should be able to loop through the key set like this: <form t:type="Form"> <t:Loop t:source="myMap.keySet()" t:value="currentKey"> <input type="Checkbox" t:type="Checkbox" t:id="checkbox" t:value="currentValue"/> <label t:type="Label" for="checkbox">${mapValue}</label> </t:Loop> </form

问题 I want to add REST to my tapestry project, and so need to know how to implement it. What is the better way ? thx. [Edit, copied from answer:] I have to add GET, PUT, POST and DELETE services to my tapestry application. I see that Tapestry has RESTful url but what about JAX-RS and annotations? 回答1: You could use the Restlet API or any other JAX-RS implementation that can run as a servlet. To have the web service co-exist nicely with Tapestry, there is one thing you have to configure in your

问题 I have a Tapestry application, that retrieves data from a form, writes it to a database and then displays the result. It all works well as long as no special characters (Ä, Ö, Ü, ß, € ...) are used. E.g. the text TestäöüßÄÖÜ€$ will result in TestäöüÃÃÃÃâ¬$ I guess the problem has something to do with a wrong character encoding setting. Tapestry java class: @Component(parameters = {"clientValidation=false"}) private Form form; @Component(parameters = {"value=someDTO.name"}) private

问题 I've got a Zone inside a Form , the Zone is updated with a block containing input fields which I would like to bind to the parent Form . Unfortunately this doesn't seem to work quite as easily as I hoped as I am greeted with the following error message. The Description component must be enclosed by a Form component. [at classpath:...Page.tml, line 100] A simplified version of the source .tml is below. <t:form t:id="editForm" t:context="item.id"> <table> <tr> <th>Name</th> <td><t:textField

问题 I want to create a Tapestry Skeletion Project. I follow to these guide: http://maven.apache.org/download.html#Installation, http://juanjoefe.com/tutoriales/instalar-maven-en-windows-7/ and other guides on the internet. But, when I type "mvn --version" or "mvn -version", I always receive error " mvn is not recognized as an internal or external command, operable program or batch file. My friends use Windows 7 x86, and they had no problem. How can I install Maven 3.0.3 on Windows 7 x64? 回答1:

问题 I want to create a Tapestry Skeletion Project. I follow to these guide: http://maven.apache.org/download.html#Installation, http://juanjoefe.com/tutoriales/instalar-maven-en-windows-7/ and other guides on the internet. But, when I type "mvn --version" or "mvn -version", I always receive error " mvn is not recognized as an internal or external command, operable program or batch file. My friends use Windows 7 x86, and they had no problem. How can I install Maven 3.0.3 on Windows 7 x64? 回答1:

问题 I am trying to implement a simple TabGroup using environmental services. My code looks like this: public class TabPanel { ... @Inject private Environment environment; ... void beginRender() { environment.push(TabContext.class, new TabContext() { public boolean isActiveTab(String tabId) { return active != null && active.equals(tabId); } }); } } public interface TabContext { boolean isActiveTab(String tabId); } public class Tab { ... @Environmental private TabContext tabContext; @Inject private

问题 Can i assign dynamic ID to Grid component? for example, i have a grid inside the loop and i am not able to assign the dynamic id for the grid. <t:loop source="listOfAttachmentVOList" value="attachmentVOList" t:index="index"> <t:grid t:source="allCelebrities" t:id="myGrid"/> </t:loop> in above code ID is "myGrid" but that is not dynamic. is there any way to assign the ID dynamically? Regards, Mahendra 来源： https://stackoverflow.com/questions/8653094/dynamic-id-to-grid-component-in-tapestry-5

问题 I am trying to limit the number of rows that a user can add in an ajaxformloop. Short example: For example, the loop found in the tapestry 5 documentation here: http://tapestry.apache.org/5.3/apidocs/org/apache/tapestry5/corelib/components/AjaxFormLoop.html If for example I would only like the user to be able to enter 3 phone numbers, how can that be done? What I have tried: 1) I tried returning null from the onAddRow event, this causes an exception and the exception report page to display -