Dear,
Thanks for the respond but somebody have Already deploy the solution.
I m a newbies with Wicket, so i you have a example , it will be nice :)
Vincent
On Thu, 2006-11-30 at 14:15 +0100, Nino Wael wrote:
> I think I have something somewhere...
>
> As I remember you need to update the recorder component...
>
> Below is only meant as a sniplet(notice the recreate model, which now are
> called from the palette onchange function)..
>
>
>
> package com.sas.jobindsats.ui.palette.component;
>
> import java.util.ArrayList;
> import java.util.Collection;
> import java.util.Collections;
> import java.util.Iterator;
> import java.util.List;
>
> import wicket.Component;
> import wicket.markup.html.form.HiddenField;
> import wicket.markup.html.form.IChoiceRenderer;
> import wicket.model.AbstractModel;
> import wicket.util.string.Strings;
>
> import com.sas.jobindsats.ui.palette.Palette;
>
> /**
> * Component to keep track of selections on the html side. Also used for
> * encoding and decoding those selections between html and java.
> *
> * @author Igor Vaynberg ( ivaynberg )
> */
> public class Recorder extends HiddenField {
> private static final long serialVersionUID = 1L;
>
> private static final String[] EMPTY_IDS = new String[0];
>
> private final String seperator = "#";
>
> /** conviniently maintained array of selected ids */
> private String[] ids;
>
> /** parent palette object */
> private Palette palette;
>
> /**
> * @return parent Palette object
> */
> public Palette getPalette() {
> return palette;
> }
>
> /**
> * @param id
> * component id
> * @param palette
> * parent palette object
> */
> public Recorder(String id, Palette palette) {
> super(id);
> this.palette = palette;
>
> // BELOW ENSURES THAT IDS ARE NOT NULL
> reCreateModel();
> AbstractModel model = new AbstractModel() {
>
> public Object getObject(Component component) {
> StringBuffer modelStringBuffer = new
> StringBuffer();
>
> for (int i = 0; ids.length > i; i++) {
> modelStringBuffer.append(ids[i]);
> if (i + 1 < ids.length) {
>
> modelStringBuffer.append(seperator);
> }
> }
>
> // set model and update ids array
>
> String modelString =
> modelStringBuffer.toString();
>
> return modelString;
>
> }
>
> public void setObject(Component component, Object
> object) {
> updateIds((String) object);
> };
> };
> setModel(model);
> }
>
> protected void onValid() {
> super.onValid();
> updateIds();
> }
>
> /**
> * @return iterator over selected choices
> */
> public Iterator getSelectedChoices() {
> IChoiceRenderer renderer = getPalette().getChoiceRenderer();
>
> if (ids.length == 0) {
> return Collections.EMPTY_LIST.iterator();
> }
>
> List selected = new ArrayList(ids.length);
> for (int i = 0; i < ids.length; i++) {
> Iterator it = getPalette().getChoices().iterator();
> while (it.hasNext()) {
> final Object choice = it.next();
> if (renderer.getIdValue(choice,
> 0).equals(ids[i])) {
> selected.add(choice);
> break;
> }
> }
> }
> return selected.iterator();
> }
>
> /**
> * @return iterator over unselected choices
> */
> public Iterator getUnselectedChoices() {
> IChoiceRenderer renderer = getPalette().getChoiceRenderer();
> Collection choices = getPalette().getChoices();
>
> if (choices.size() - ids.length == 0) {
> return Collections.EMPTY_LIST.iterator();
> }
>
> List unselected = new ArrayList(Math
> .max(1, choices.size() - ids.length));
> Iterator it = choices.iterator();
> while (it.hasNext()) {
> final Object choice = it.next();
> final String choiceId = renderer.getIdValue(choice, 0);
> boolean selected = false;
> for (int i = 0; i < ids.length; i++) {
> if (ids[i].equals(choiceId)) {
> selected = true;
> break;
> }
> }
> if (!selected) {
> unselected.add(choice);
> }
> }
> return unselected.iterator();
> }
>
> protected void onInvalid() {
> super.onInvalid();
> updateIds();
> }
>
> private void updateIds() {
> updateIds(getValue());
> }
>
> public void updateIds(String value) {
> if (Strings.isEmpty(value)) {
> ids = EMPTY_IDS;
> } else {
> ids = value.split(seperator);
> }
> }
>
> public void reCreateModel() {
>
> // construct the model string based on selection collection
> IChoiceRenderer renderer = getPalette().getChoiceRenderer();
> StringBuffer modelStringBuffer = new StringBuffer();
>
> Iterator selection = ((Collection)
> getPalette().getModelObject())
> .iterator();
>
> while (selection.hasNext()) {
>
> modelStringBuffer.append(renderer.getIdValue(selection.next(), 0));
> if (selection.hasNext()) {
> modelStringBuffer.append(seperator);
> }
> }
>
> // Get values from modelstringbuffer
>
> String modelString = modelStringBuffer.toString();
>
> // Only add if not already added
> String[] local = getValue().split(seperator);
>
> for (int i = 0; local.length > i; i++) {
> if (modelString.indexOf(local[i]) == -1) {
> modelString += seperator + local[i];
> }
> }
> updateIds(modelString);
>
> }
>
> }
>
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Vincent
> Renaville
> Sent: 30. november 2006 11:40
> To: Wicket List
> Subject: [Wicket-user] Palette add selected option
>
> Dear,
>
> I use the paleete component, to assigne option to a User. but I don't
> find a functionnality, how to set already selected option ?.
>
> Exemple : a user selected option, I store it into a database:
> In the futur, the user want to update his option, at the moment he
> doesn't see his previous selected option.
>
> Do you have a solution.
>
> Kind regards,
>
> Vincent
>
>
>
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