[jbosstools-issues] [JBoss JIRA] (JBIDE-9446) Drag and Drop to Visual part of VPE doesn't work

Wed May 23 06:15:18 EDT 2012

    [ https://issues.jboss.org/browse/JBIDE-9446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12695004#comment-12695004 ] 

Denis Maliarevich edited comment on JBIDE-9446 at 5/23/12 6:14 AM:
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There is another test case to check that dragging is cancelled by internal eclipse behaviour:
1. Open 2 JBDS palettes: Window=>Show View=> Other... a) "..=>JBoss Tools Web=>JBoss Tools Palette" b)"..=>General=>Palette". Both palettes should be visible in the eclipse window.
(Two palettes has been made under JBIDE-4976 issue)
2. Open any html/jsp file in Eclipse's internal Web Browser.
3. Notice that "A palette is not available" is shown inside palette "b". Palette "a" is static and still looks the same.
4. Try to drag any element from palette "b" to the browser.
5. On linux in some cases it's not possible to drag the palette element over the browser.

I think the reason is that in eclipse it's forbidden to drag elements from palette to the browser. Due to the fact that VPE uses Browser instance in its visual part -- the drag is being cancelled internally.

      was (Author: dmaliarevich):
    There is another test case to check that dragging is cancelled by internal eclipse behaviour:
1. Open 2 JBDS palettes: Window-->Show View--> Other... a) "..-->JBoss Tools Web-->JBoss Tools Palette" b)"..--> General-->Palette". Both palettes should be visible in the eclipse window.
(Two palettes has been made under JBIDE-4976 issue)
2. Open any html/jsp file in Eclipse's internal Web Browser.
3. Notice that "A palette is not available" is shown inside palette "b". Palette "a" is static and still looks the same.
4. Try to drag any element from palette "b" to the browser.
5. On linux in some cases it's not possible to drag the palette element over the browser.

I think the reason is that in eclipse it's forbidden to drag elements from palette to the browser. Due to the fact that VPE uses Browser instance in its visual part -- the drag is being cancelled internally.

> Drag and Drop to Visual part of VPE doesn't work
> ------------------------------------------------
>
>                 Key: JBIDE-9446
>                 URL: https://issues.jboss.org/browse/JBIDE-9446
>             Project: Tools (JBoss Tools)
>          Issue Type: Bug
>          Components: Visual Page Editor core
>    Affects Versions: 3.3.0.M2
>         Environment: Linux 32bit, Java Sun JDK 1.6.0_25, JBDS Version: 5.0.0.M2 Build id: v20110624-1114-H10-M2 Build date: 20110624-1114
>            Reporter: Vlado Pakan
>            Assignee: Denis Maliarevich
>             Fix For: 3.4.x
>
>
> Steps to reproduce:
> 1. Create JSF1.2 KickStartProject
> 2. Open <jsf project>/WebContent/pages/inputUserName.jsp
> 3. Drag and drop Palette > JSF HTML > commandButton tag to the visual part of inputUserName.jsp page.
> It's working.
> 4. Undo changes in inputUserName.jsp
> 5. change tag <html> to <htmlerror> in source of inputUserName.jsp and save
> There should be error marker in VPE with text Unknown tag (htmlerror).
> 6. Repeat step 3.
> It's not possible to drop commandButton tag to visual part of VPE
> 7. Undo changes in source of inputUserName.jsp i.e. change tag <htmlerror> back to <html> and save
> There should be no error marker
> 8. Repeat step 3.
> It's not possible to drop commandButton tag to visual part of VPE
> After JBDS is restarted drag and drop functionality works again.

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