I have just found this jira.
http://www.openlaszlo.org/jira/browse/LPP-2719
Are there any workaround ?
Thanks,
mt1
mt1 wrote:
>Hi forks,
>
>I have a trouble on datacombobox performance.
>
>I use some own components that is extended with datacombobox.
>The attachment is the sample.
>You can see how slow binding data in datacombobox.
>This is a tiny code but it take over 1 second to bind data.
>In fact, i use a ton of datacombobox in a view, so this *slow binding*
>became big trouble on my apps.
>
>Are there any workaround of it ?
>It works on below environment.
>Windows XP, Pen4 2GHz, 2GBmem
>OL3.3.3, FireFox 2.0, Flash Player v9
>
>Thanks,
>mt1
>
>
>------------------------------------------------------------------------
>
><?xml version="1.0" encoding="UTF-8" ?>
><canvas debug="true">
> <script>
> var startTime = 0;
> var endTime = 0;
> </script>
>
> <dataset name="dumlist">
> <resultset />
> </dataset>
>
> <dataset name="dlist">
> <resultset>
> <d name="[Choose..]" value="0"/>
> <d name="AA" value="1"/>
> <d name="BB" value="2"/>
> <d name="CC" value="3"/>
> <d name="DD" value="4"/>
> </resultset>
> </dataset>
>
> <dataset name="d">
> <resultset>
> <dd attr1="1" attr2="2" attr3="3" attr4="4"
> attr5="5"
> attr6="6" attr7="7" attr8="8" attr9="9"
> attr10="10" />
> </resultset>
> </dataset>
>
> <class name="dcom" extends="datacombobox" selectfirst="true"
> textdatapath="@name" valuedatapath="@value">
> <attribute name="defaultvalue" value="-1" />
>
> <handler name="ondata" args="val">
> if( val == null ){
> _updateSelectionByIndex(0,false,true);
> this.selectItemAt(0);
> }
> </handler>
> </class>
>
> <simplelayout axis="x"/>
> <view name="vform" layout="axis:y" datapath="d:/resultset/dd">
> <edittext name="attr1" datapath="@attr1"/>
> <edittext name="attr2" datapath="@attr2"/>
> <edittext name="attr3" datapath="@attr3"/>
> <edittext name="attr4" datapath="@attr4"/>
> <edittext name="attr5" datapath="@attr5"/>
>
> <dcom name="dl" datapath="@name" itemdatapath="dlist:/resultset/d"
> defaultvalue="0" />
> <dcom name="d2" datapath="@name" itemdatapath="dlist:/resultset/d"
> defaultvalue="0" />
> <dcom name="d3" datapath="@name" itemdatapath="dlist:/resultset/d"
> defaultvalue="0" />
> <dcom name="d4" datapath="@name" itemdatapath="dlist:/resultset/d"
> defaultvalue="0" />
> <dcom name="d5" datapath="@name" itemdatapath="dlist:/resultset/d"
> defaultvalue="0" />
> <dcom name="d6" datapath="@name" itemdatapath="dlist:/resultset/d"
> defaultvalue="0" />
> <dcom name="d7" datapath="@name" itemdatapath="dlist:/resultset/d"
> defaultvalue="0" />
> <dcom name="d8" datapath="@name" itemdatapath="dlist:/resultset/d"
> defaultvalue="0" />
> <dcom name="d9" datapath="@name" itemdatapath="dlist:/resultset/d"
> defaultvalue="0" />
> <dcom name="d10" datapath="@name" itemdatapath="dlist:/resultset/d"
> defaultvalue="0" />
>
> <handler name="ondata">
> var dt = new Date();
> endTime = dt.getTime();
> var dt = endTime - startTime;
> Debug.write( "take time: " + dt/1000 + "[sec]" );
> </handler>
> </view>
>
> <view name="buts" layout="axis:x">
> <button> Init
> <handler name="onclick">
> var dt = new Date();
> startTime = dt.getTime();
> parent.parent.vform.setDatapath( "dumlist:/" );
> </handler>
> </button>
>
> <button> Bind
> <handler name="onclick">
> var dt = new Date();
> startTime = dt.getTime();
> parent.parent.vform.setDatapath(
> "d:/resultset/dd" );
> </handler>
> </button>
> </view>
></canvas>
>
