im going to guess something is wrong with your model. hard to tell
without a quickstart.
-igor
On Thu, Sep 23, 2010 at 9:25 AM, Shelli Orton <shelli.or...@sjrb.ca> wrote:
> Does anybody have a suggestion for this?
>
> Thanks,
>
> Shelli
>
> -----Original Message-----
> From: Shelli Orton
> Sent: Wednesday, September 22, 2010 1:54 PM
> To: users@wicket.apache.org
> Subject: Setting Checked Boxes in CheckGroup
>
> Hi,
>
> I am trying to use a CheckGroup to manage which columns are used in a
> datatable. I've set up my columns as per the code below. The
> getColumnCheckBoxes method creates the check boxes that will be part of
> the group. The getDefaultColumns defines which columns should be
> checked by default. The default columns are being set, but the boxes
> are not being displayed as "checked" when the page is first loaded.
> However, the correct columns are being displayed in the datatable, so
> they are being set "behind the scenes".
>
> How do I get them to display as checked on page load?
>
> Thanks in advance!
>
> Shelli
>
> CODE:
>
> public class HomePage extends WebPage
> {
> StringResourceModel columnA = new StringResourceModel("columnA",
> this,
> null);
> StringResourceModel columnB = new StringResourceModel("columnB",
> this,
> null);
> StringResourceModel columnC = new StringResourceModel("columnC",
> this,
> null);
> StringResourceModel columnD = new StringResourceModel("columnD",
> this,
> null);
>
> ArrayList<SelectOption> columnCheckBoxes = null;
>
> CheckGroup<SelectOption> columnCheckGroup = new
> CheckGroup<SelectOption>("columnCheckGroup",
> new ArrayList<SelectOption>());
>
> �...@suppresswarnings("rawtypes")
> List<IColumn> columns = new ArrayList<IColumn>();
>
> /**
> * Constructor that is invoked when page is invoked without a
> session.
> *
> * @param parameters Page parameters
> */
> �...@suppresswarnings("rawtypes")
> public HomePage(final PageParameters parameters)
> {
> �...@suppresswarnings("serial")
> Form queryForm = new Form("queryForm")
> {
> �...@override
> protected void onSubmit()
> {
> // do stuff
> }
> };
>
> add(queryForm);
>
> // Create column selection boxes
> columnCheckGroup.add(new
> CheckGroupSelector("columnCheckGroupSelector"));
>
> �...@suppresswarnings({ "unchecked", "serial" })
> ListView checkBoxes = new ListView("columnCheckGroup",
> getColumnCheckBoxes())
> {
> �...@suppresswarnings("unchecked")
> protected void populateItem(ListItem item)
> {
> item.add(new Check("columnCheckbox", item.getModel()));
> item.add(new Label("displayValue",
> new PropertyModel(item.getModel(),
> "displayValue")));
> }
>
> };
>
> if (columnCheckGroup.getModelObject().isEmpty())
> {
> columnCheckGroup.setModelObject(this.getDefaultColumns());
> }
>
> columnCheckGroup.add(checkBoxes);
> queryForm.add(columnCheckGroup);
>
> // more init stuff...
>
> }
>
> public ArrayList<SelectOption> getColumnCheckBoxes()
> {
> if (columnCheckBoxes == null)
> {
> columnCheckBoxes = new ArrayList<SelectOption>();
>
> columnCheckBoxes.add(new SelectOption("columnA",
> this.columnA.getObject()));
> columnCheckBoxes.add(new SelectOption("columnB",
> this.columnB.getObject()));
> columnCheckBoxes.add(new SelectOption("columnC",
> this.columnC.getObject()));
> columnCheckBoxes.add(new SelectOption("columnD",
> this.columnD.getObject()));
> }
>
> return columnCheckBoxes;
> }
>
> /*
> By default, columns A and B are selected
> */
> private ArrayList<SelectOption> getDefaultColumns()
> {
> ArrayList<SelectOption> defaultColumns = new
> ArrayList<SelectOption>();
>
> defaultColumns.add(new SelectOption("columnA",
> this.columnA.getObject()));
> defaultColumns.add(new SelectOption("columnB",
> this.columnB.getObject()));
>
> return defaultColumns;
> }
>
> class SelectOption implements Serializable
> {
> private static final long serialVersionUID = 1L;
>
> private String propertyValue;
> private String displayValue;
>
> /**
> * Utility class for storing property and display values for
> option
> * widgets (e.g. drop down lists, check boxes).
> */
> public SelectOption(String propertyValue, String displayValue)
> {
> this.propertyValue = propertyValue;
> this.displayValue = displayValue;
> }
>
> // getters/setters ....
> }
> }
>
>
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