The setFieldUpdater proved to be a better solution, thanks :-)
For some reason InternetExplorer does not send change events when
changing the value of the selectionCell.
Is this a known bug in GWT 2.1 M1 ?
On Jun 27, 2:59 pm, Paul Stockley <pstockl...@gmail.com> wrote:
> use the setFieldUpdater(fieldUpdater) on the Column class
>
> On Jun 27, 6:28 am, saklig <d3andr...@gmail.com> wrote:
>
>
>
> > Which class has the "addValueUpdateHandler" ?
>
> > On Jun 25, 4:08 pm, Paul Stockley <pstockl...@gmail.com> wrote:
>
> > > Can't you just add a ValueUpdater handler to see when the selection
> > > changes?
>
> > > On Jun 25, 4:27 am, saklig <d3andr...@gmail.com> wrote:
>
> > > > After a couple of tries Ive managed to write something that gets the
> > > > job done.
>
> > > > My example:
>
> > > > List<String> opts = new ArrayList<String>();
> > > > opts.add("Enabled");
> > > > opts.add("Disabled");
>
> > > > table.addColumn(new IdentityColumn<MyData>(new
> > > > ActiveSelectionCell(opts)), "Active");
>
> > > > private class ActiveSelectionCell implements Cell<MyData>{
>
> > > > private HashMap<String, Integer> indexForOption = new
> > > > HashMap<String, Integer>();
> > > > private final List<String> options;
>
> > > > public ActiveSelectionCell(List<String> options) {
> > > > this.options = new ArrayList<String>(options);
> > > > int index = 0;
> > > > for (String option : options) {
> > > > indexForOption.put(option, index++);
> > > > }
> > > > }
>
> > > > @Override
> > > > public boolean consumesEvents() {
> > > > return false;
> > > > }
>
> > > > @Override
> > > > public boolean dependsOnSelection() {
> > > > return false;
> > > > }
>
> > > > private int getSelectedIndex(String value) {
> > > > Integer index = indexForOption.get(value);
> > > > if (index == null) {
> > > > return -1;
> > > > }
> > > > return index.intValue();
> > > > }
>
> > > > @Override
> > > > public void setValue(Element parent, MyData value,
> > > > Object viewData)
> > > > {
> > > > StringBuilder sb = new StringBuilder();
> > > > render(value, viewData, sb);
> > > > parent.setInnerHTML(sb.toString());
>
> > > > }
>
> > > > @Override
> > > > public Object onBrowserEvent(Element parent, MyData
> > > > value,
> > > > Object viewData, NativeEvent event,
> > > > ValueUpdater<MyData> valueUpdater) {
> > > > String type = event.getType();
> > > > if ("change".equals(type)) {
> > > > SelectElement select =
> > > > parent.getFirstChild().cast();
>
> > > > if( options.get(select.getSelectedIndex()).equalsIgnoreCase("Enabled"))
> > > > value.setActive("1");
> > > > else
> > > > value.setActive("0");
> > > > System.out.println(value.getName() + " - " +
> > > > options.get(select.getSelectedIndex()));
>
> > > > // valueUpdater.update(value);
> > > > }
> > > > return viewData;
> > > > }
>
> > > > @Override
> > > > public void render(MyData value, Object viewData,
> > > > StringBuilder sb)
> > > > {
> > > > int selectedIndex = 0;
> > > > if(value.getActive().equalsIgnoreCase("1")){
> > > > selectedIndex =
> > > > getSelectedIndex("Enabled");
> > > > }else{
> > > > selectedIndex =
> > > > getSelectedIndex("Disabled");
> > > > }
>
> > > > sb.append("<select>");
> > > > int index = 0;
> > > > for (String option : options) {
> > > > if (index++ == selectedIndex) {
> > > > sb.append("<option selected='selected'>");
> > > > } else {
> > > > sb.append("<option>");
> > > > }
> > > > sb.append(option);
> > > > sb.append("</option>");
> > > > }
> > > > sb.append("</select>");
>
> > > > }
>
> > > > }
>
> > > > If you think this was the wrong/not the best way to get an event from
> > > > a cell, pleas give me a comment.
>
> > > > On Jun 22, 1:25 pm, saklig <d3andr...@gmail.com> wrote:
>
> > > > > Hi,
>
> > > > > How does one handle events from cells in a CellTable( specifically a
> > > > > SelectionCell ) ?
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