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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