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From "Gavin Lei (JIRA)" <...@tapestry.apache.org>
Subject [jira] [Commented] (TAPESTRY-2777) Eclipse WTP based Tapestry visual editor project proposal
Date Thu, 31 Mar 2011 07:42:05 GMT

    [ https://issues.apache.org/jira/browse/TAPESTRY-2777?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13013870#comment-13013870

Gavin Lei commented on TAPESTRY-2777:

Hi Igor,

Thank you for your advises, i will update my proposal soon. And it seems that i should assign
this issue to you, but i can not find "assign" filed in issue edit/create page, may be it
due to i am not Apache committer, may be you can change the "assignee" field of the issue.

> Eclipse WTP based Tapestry visual editor project proposal  
> -----------------------------------------------------------
>                 Key: TAPESTRY-2777
>                 URL: https://issues.apache.org/jira/browse/TAPESTRY-2777
>             Project: Tapestry
>          Issue Type: Task
>         Environment: Eclipse in all OS
>            Reporter: Gavin Lei
>              Labels: gsoc, gsoc2011, mentor
>   Original Estimate: 1680h
>  Remaining Estimate: 1680h
> Introduction
> Apache Tapestry supplies powerful component structure, and it offered a number of other
powerful features that proved to be critical in our work.
> The Eclipse Web Tools Platform (WTP) project extends the Eclipse platform with tools
for developing Web and Java EE applications. It includes source and graphical editors for
a variety of languages, wizards and built-in applications to simplify development, and tools
and APIs to support deploying, running, and testing apps.WTP supplies Web Page Editor for
us to edit HTML page, JSP page and JSF-JSP web page.
> Tapestry was used widely nowadays, it allowed a clean separation between Java and HTML,
and made it possible for the design work on the application to continue well after the code
had been completed, It is becoming more and more popular today. But we can not find a proper
Tapestry visual editor, Eclipse WTP is popular in Web application development, but it is a
shame that Eclipse WTP does not support Tapestry, so i think it is a good idea to build a
Tapestry visual editor on Eclipse WTP.
> This editor should have following mainly functions:
> Note GSoC supplies us only 3 months to finish our project, so this project will focus
on Tapestry 5, after that, if we have enough time, will supply other Tapestry version support
> Must have functions
> 1. Tapertry libraries import wizard
> Add necessary Tapestry 5 relative jars into web project.
> 2. Tapestry page/component creation wizard
> It will supply a wizard helping us to create the .tml file and .java file together for
a Tapestry page/component.
> 3. Add Tapestry component support for WTP web editor palette
> If we open a Tapestry page/component with WTP Web Page Editor, its palette will contains
three main section, HTML,Tapestry core and Tapestry custom component. Then, we can drap-and-drop
the components in the palette to the canvas. WTP web editor supplies property view for us
already, we can improve the property to support Tapestry component. In Tapestry Core section,
it includes Tapestry standard components, Foreach, Insert,Image,Conditional, Form components
and the other standard components.
> NOTE Eclipse WTP supplies relative interface for us to change palette components
> 4. Add convenient way for the Web Page Editor to change-over between a Tapestry page's
.tml file and .java file
> 5. Add Tapestry built in and custom components autocomplete function for WTP Web Page
Editor's source view
> If we add component insert code, such as
> <span jwcid="@Insert"/>
> ,So when you type
> <span jwcid="@
> it comes up with a list you can choose from and then completes it with the required parameters
> 6.Tapestry component's parameters property view
> We select a component in canvas design view or source view, the Eclipse property view
will list this component's parameters and we can edit the parameters here.
> 7.Autocomplete of properties from the .java page when editing the .tml file
> In the Source Page of the Web Page Editor, add the Tapestry tag, (for example ${prop:index}).
With the cursor inside the brackets, hit Ctrl+spacebar, should see a pop-up with a list of
all the available properties defined in the corresponding java class.
> Optional features
> 8. Validation function in Tapestry .tml file source view
> Beyond the basic JSP validation already provided with the JSP editor, this editor supplies
semantic validation of the Tapestry standard tag libraries for both EL and non-EL attribute
> 9. Hyperlink function in Tapestry .tml file source view
> Hyperlink to the Java editor from Managed Bean variable, Managed Bean property and Managed
Bean method referenced in the Expression Language(EL) of a tag-attribute.
> I have finished some research job and familiar with Eclipse WTP source code, so i think
it is definitely for us to finish function 1-7 during this summer. Function 8 and 9 are more
complex and not so necessary, so i mark them as optional features. Once i finished must-have
functions development job, i will start option features job.
> Online design demo
> You can go here[1] to see project proposal details with picture demos.
> [1] http://visual-tapestry.appspot.com/

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