Could this be modified somehow to choose image dynamically ?
On Friday, March 28, 2014 at 5:21:06 AM UTC, Tom wrote:
>
> Found the answer, using the background-image strategy
>
> In css:
>
> .columnHeader{
> background-image:url('/images/icon/delete.png');
> background-size:16px 16px;
> background-repeat:no-repeat;
> background-position:center;
>
> }
>
>
> in Java
> TextHeader deleteHeader=new TextHeader("");
> deleteHeader.setHeaderStyleNames(getView().getRes().css().columnHeader());
> myCellTable.addColumn(deleteColumn,deleteHeader);
>
>
>
>
> On Friday, March 28, 2014 3:22:27 PM UTC+11, Tom wrote:
>>
>> If we use Text for the header then it may take some space, so I want the
>> Header have an icon(like Delete Icon) so I can save some space for the
>> Header.
>>
>> So I tried
>>
>> myCellTable.addColumn(deleteColumn,new
>> SafeHtmlHeader(SafeHtmlUtils.fromSafeConstant
>> ("<img width=\"30px\" height=\"30px\" src=\"image/icon/delete.png\">")));
>>
>> It showed the image but the Image is very small about (10px - 10px) and
>> it has a ugly border around the image.
>>
>>
>> Someone said using CUstom Header, but I couldn't override
>> getHeaderStyleNames(). Ex:
>>
>> class DeleteHeader extends Header{
>> @Override
>> public String getHeaderStyleNames(){
>> return "css style";
>> }
>> }
>>
>> It said i have to override supertype something....!!
>>
>> So how to fix it?
>>
>
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