What do you mean by "quickstart"? Shelli
-----Original Message----- From: Igor Vaynberg [mailto:igor.vaynb...@gmail.com] Sent: Thursday, September 23, 2010 10:57 AM To: users@wicket.apache.org Subject: Re: Setting Checked Boxes in CheckGroup 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 .... > } > } > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > For additional commands, e-mail: users-h...@wicket.apache.org > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > For additional commands, e-mail: users-h...@wicket.apache.org > > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
