On Sun, Jul 22, 2012 at 3:52 PM, vimalsymbi <vimal_sy...@yahoo.com> wrote:
> Hi All, > > I have searched and wasted much of my time figuring out the default Value > for DropDownChoice for Object as dropdown but couldn't find the solution. > For "String" dropdown i was able to make it work but somehow for object it > is not working. > > Below is the Simple example that i have been trying, > DropDownChoicePage.html > and DropDownChoicePage.java files. > > Can someone please help me that what am i missing into > "DropDownChoicePage.java" class that is not setting the Drop Down Default > value? > > ---------------------------------------- > > DropDownChoicePage.html > > <html xmlns="http://www.w3.org/1999/xhtml";> > <head> > <title>DropDown Example</title> > </head> > <body> > > Select your favorite Language <select > wicket:id="languageDropDown"></select> > > </body> > </html> > > --------------------------------------------------------------- > > DropDownChoicePage.java > > public class DropDownChoicePage extends WebPage { > > public class KeyValue { > > private String key; > private String value; > > public KeyValue(String key, String value) { > this.key = key; > this.value = value; > } > > public String getKey() { > return key; > } > > public String getValue() { > return value; > } > > public void setKey(String key) { > this.key = key; > } > > public void setValue(String value) { > this.value = value; > } > > @Override > public String toString() { > return getKey(); > } > } > > private static final long serialVersionUID = 2304448232406333188L; > > private KeyValue defaultValue = new KeyValue("JAVA", "Java"); > > /** > * Constructor > */ > public DropDownChoicePage() { > > List<KeyValue> keyValues = new > ArrayList<DropDownChoicePage.KeyValue>(); > keyValues.add(new KeyValue("PHP", "php")); > keyValues.add(new KeyValue("JAVA", "Java")); > keyValues.add(new KeyValue("DOT_NET", "Dot Net")); > > DropDownChoice<KeyValue> dropDownChoice = new > DropDownChoice<KeyValue>( > "languageDropDown", new > PropertyModel<KeyValue>(this, > "defaultValue"), keyValues, > new ChoiceRenderer<KeyValue>("key", > "value")); > add(dropDownChoice); > > } > > public KeyValue getDefaultValue() { > return defaultValue; > } > > public void setDefaultValue(KeyValue defaultValue) { > this.defaultValue = defaultValue; > } > > } > > Thanks, > Vimal. > > > > -- > View this message in context: > http://apache-wicket.1842946.n4.nabble.com/DropDownChoice-Default-Value-tp4650704.html > Sent from the Users forum mailing list archive at Nabble.com. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > For additional commands, e-mail: users-h...@wicket.apache.org > > If I had to guess I'd guess it's because your KeyValuePair class does not properly implement either equals or hashCode. As I say many times during my classes: don't get so distracted with "how do I do this in Wicket" that you forget that this is "just java". -- Jeremy Thomerson http://wickettraining.com *Need a CMS for Wicket? Use Brix! http://brixcms.org*
