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Posted to xap-dev@incubator.apache.org by "Trevor Oldak (JIRA)" <xa...@incubator.apache.org> on 2007/10/23 21:15:50 UTC

[jira] Created: (XAP-520) Widgets: Table: replace-children leaks memory in IE

Widgets: Table: replace-children leaks memory in IE
---------------------------------------------------

                 Key: XAP-520
                 URL: https://issues.apache.org/jira/browse/XAP-520
             Project: XAP
          Issue Type: Bug
          Components: Widgets: Table/Tree/TreeTable, XModify
            Reporter: Trevor Oldak
            Priority: Critical


Run the following example while watching the number of private bytes allocated to IE. It steadily increases and remains allocated even after the page is unloaded.

<xal xmlns="http://openxal.org/ui/html">
    <macro:macro xmlns:macro="http://openxal.org/core/macro" name="defaultMacro">
        <xm:modifications xmlns:xm="http://openxal.org/core/xmodify">
            <xm:replace-children select="//table">
                <row>
                    <cell text="Row 1 Cell 1"/>
                    <cell text="Row 1 Cell 2"/>
                </row>
                <row>
                    <cell text="Row 2 Cell 1"/>
                    <cell text="Row 2 Cell 2"/>
                </row>
                <row>
                    <cell text="Row 3 Cell 1"/>
                    <cell text="Row 3 Cell 2"/>
                </row>
            </xm:replace-children> 
        </xm:modifications>
    </macro:macro>
    <rootPane>
        <freePane width="1024px" height="768px">
            <button height="25px" text="Replace table children" width="100px" x="20px" y="230px" onCommand="macro:defaultMacro.execute()"/>
            <table height="200px" width="300px" x="20px" y="10px">
                <column>
                    <header text="Column #1" width="100px"/>
                </column>
                <column>
                    <header text="Column #2" width="100px"/>
                </column>
                <row>
                    <cell text="Row 1 Cell 1"/>
                    <cell text="Row 1 Cell 2"/>
                </row>
                <row>
                    <cell text="Row 2 Cell 1"/>
                    <cell text="Row 2 Cell 2"/>
                </row>
                <row>
                    <cell text="Row 3 Cell 1"/>
                    <cell text="Row 3 Cell 2"/>
                </row>
            </table>
            <button height="25px" text="Replace combobox children" width="100px" x="350px" y="230px" onCommand="macro:cbMacro.execute()"/>            
        </freePane>
    </rootPane>
</xal>

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[jira] Commented: (XAP-520) Widgets: Table: replace-children leaks memory in IE

Posted by "Trevor Oldak (JIRA)" <xa...@incubator.apache.org>.
    [ https://issues.apache.org/jira/browse/XAP-520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12549198 ] 

Trevor Oldak commented on XAP-520:
----------------------------------

It seems that while replace-children leaks memory, replace does not. We should consider using replace where possible.

> Widgets: Table: replace-children leaks memory in IE
> ---------------------------------------------------
>
>                 Key: XAP-520
>                 URL: https://issues.apache.org/jira/browse/XAP-520
>             Project: XAP
>          Issue Type: Bug
>          Components: Widgets: Table/Tree/TreeTable, XModify
>            Reporter: Trevor Oldak
>            Priority: Critical
>
> Run the following example while watching the number of private bytes allocated to IE. It steadily increases and remains allocated even after the page is unloaded.
> <xal xmlns="http://openxal.org/ui/html">
>     <macro:macro xmlns:macro="http://openxal.org/core/macro" name="defaultMacro">
>         <xm:modifications xmlns:xm="http://openxal.org/core/xmodify">
>             <xm:replace-children select="//table">
>                 <row>
>                     <cell text="Row 1 Cell 1"/>
>                     <cell text="Row 1 Cell 2"/>
>                 </row>
>                 <row>
>                     <cell text="Row 2 Cell 1"/>
>                     <cell text="Row 2 Cell 2"/>
>                 </row>
>                 <row>
>                     <cell text="Row 3 Cell 1"/>
>                     <cell text="Row 3 Cell 2"/>
>                 </row>
>             </xm:replace-children> 
>         </xm:modifications>
>     </macro:macro>
>     <rootPane>
>         <freePane width="1024px" height="768px">
>             <button height="25px" text="Replace table children" width="100px" x="20px" y="230px" onCommand="macro:defaultMacro.execute()"/>
>             <table height="200px" width="300px" x="20px" y="10px">
>                 <column>
>                     <header text="Column #1" width="100px"/>
>                 </column>
>                 <column>
>                     <header text="Column #2" width="100px"/>
>                 </column>
>                 <row>
>                     <cell text="Row 1 Cell 1"/>
>                     <cell text="Row 1 Cell 2"/>
>                 </row>
>                 <row>
>                     <cell text="Row 2 Cell 1"/>
>                     <cell text="Row 2 Cell 2"/>
>                 </row>
>                 <row>
>                     <cell text="Row 3 Cell 1"/>
>                     <cell text="Row 3 Cell 2"/>
>                 </row>
>             </table>
>             <button height="25px" text="Replace combobox children" width="100px" x="350px" y="230px" onCommand="macro:cbMacro.execute()"/>            
>         </freePane>
>     </rootPane>
> </xal>

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