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CDateTime Databinding [message #600065]

Thu, 29 July 2010 08:06

Dennis Melzer

Messages: 244
Registered: July 2009

Senior Member

Hello together,

i have a question for the CDateTime databinding. Why it doesn't work? What is the mistake? Model gets alwasys the value null
CDateTime cDateTime = new CDateTime(parent, CDT.BORDER | CDT.COMPACT | CDT.DROP_DOWN | CDT.DATE_LONG | CDT.TIME_MEDIUM);

DataBindingContext m_bindingContext = new DataBindingContext();

m_bindingContext.bindValue(new CDateTimeObservableValue(cDateTime), BeansObservables.observeValue(model, MyModel.PROP_BIRTHDAY),
null, null);

public class MyModel {
public static final String PROP_BIRTHDAY = "birthday";
private Date m_birthday;

public Date getBirthday(){
return m_birthday;
}

public void setBirthday(final Date newValue){
Date oldValue = getBirthday();
m_birthday = newValue;
m_propertyChangeSupport.firePropertyChange(PROP_BIRTHDAY, oldValue, newValue);
}

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Re: CDateTime Databinding [message #600072 is a reply to message #600065]

Thu, 29 July 2010 08:16

Dennis Melzer

Messages: 244
Registered: July 2009

Senior Member

Is this a bug??
The current Listener in CDateTimeObserverable is:

private SelectionListener listener = new SelectionListener() {
public void widgetDefaultSelected(SelectionEvent e) {
if (!updating) {
Date newSelection = CDateTimeObservableValue.this.dateTime.getSelection();
fireValueChange(Diffs.createValueDiff(currentSelection, newSelection));
currentSelection = newSelection;
}
}
public void widgetSelected(SelectionEvent e) {
// skip
}

But the widgetDefaultSelected method is never called, if i switch the code, it works:

private SelectionListener listener = new SelectionListener() {
public void widgetDefaultSelected(SelectionEvent e) {
//Skip
}
public void widgetSelected(SelectionEvent e) {
if (!updating) {
Date newSelection = CDateTimeObservableValue.this.dateTime.getSelection();
fireValueChange(Diffs.createValueDiff(currentSelection, newSelection));
currentSelection = newSelection;
}
}
};

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