@Override
public String getDisplayValue(T value) {
fSelectedElement = value;
if (value == null) {
return "";
}
return DTOUtils.getLabelProvider(value).getText(value);
}
@SuppressWarnings("unchecked")
public APPEDTOField(
Composite parent, FormToolkit toolkit, String labelText, Class<T> clazz, int style) {
super(parent, toolkit, labelText, style);
fClazz = clazz;
fDropDownPopup = new ContentTableAssistPopup(fControl, DTOUtils.getQuickSearchModel(clazz));
addModifyListener(
new ModifyListener() {
@Override
public void modifyText(ModifyEvent e) {
if (!fUpdatingFromModel) {
fDropDownPopup.show(false);
fDropDownPopup.updateFilter(fControl.getText());
}
}
});
setValidator(
new iValidator<T>() {
@Override
public boolean validate(String input, boolean isNullable) {
if (fSelectedElement == null && isNullable) {
return true;
} else if (fSelectedElement == null) {
return false;
} else {
return true;
}
}
@Override
public T getValueFor(String value) {
// Dummy implementation
return null;
}
});
fControl.addKeyListener(
new KeyListener() {
@Override
public void keyReleased(KeyEvent e) {
handleKeyRelease(e);
}
@Override
public void keyPressed(KeyEvent e) {
if (e.keyCode == SWT.ARROW_DOWN) {
if (fDropDownPopup.isShown()) {
fDropDownPopup.focus();
}
}
}
});
fControl.addTraverseListener(
new TraverseListener() {
@Override
public void keyTraversed(TraverseEvent e) {
if (e.character == SWT.TAB) {
if (fDropDownPopup.isShown()) {
fDropDownPopup.focus();
}
}
}
});
}
