Re: GWT 2.5 Cell rendering using uiBinder + image

On Monday, November 5, 2012 4:23:56 PM UTC+1, Evgeniy Bogdanov wrote:

Hi,

Is there an any example - how to add image into Cell with UiBinder?

There is great example in showcase (http://gwt.google.com/samples/Showcase/Showcase.html#!CwCellList) but without uiBinder.

UiBinder file: 

<!DOCTYPE ui:UiBinder SYSTEM "http://dl.google.com/gwt/DTD/xhtml.ent">

<ui:UiBinder xmlns:ui="urn:ui:com.google.gwt.uibinder" xmlns:g="urn:import:com.google.gwt.user.client.ui">

<ui:with field='contact' type='com.billmanager.client.model.ClientContact'/>

<ui:with field='res' type='com.billmanager.client.common.Resources'/>

  <g:HTMLPanel>

   <span><ui:text from='{contact.getDisplayName}'/></span>

   <span><ui:text from='{contact.getDisplayEmail}'/></span>

   <g:Image resource='{res.delete}'/>

  </g:HTMLPanel>

</ui:UiBinder> 

 

Do not displays image.

My java class is simple:

 public class ContactCell extends AbstractCell<ClientContact> {

interface MyUiRenderer extends UiRenderer {

void render(SafeHtmlBuilder sb, ClientContact contact);

}

 

private static MyUiRenderer renderer = GWT.create(MyUiRenderer.class);

@Override

public void render(com.google.gwt.cell.client.Cell.Context context, ClientContact value, SafeHtmlBuilder sb) {

renderer.render(sb, value);

}

}

What I thought is to get rendered element (empty) and add image as html, but I don't thing it is the right way. 

You cannot use a widget (<g:HTMLPanel>, <g:Image>) in a Cell. Replace those with HTML elements (<div> for instance); and for displaying an ImageResource in a Cell, use an ImageResourceRenderer to generate the SafeHtml that you can then pass as argument to the UiRenderer and use in the template with <ui:safehtml> (similar to <ui:text>).

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