Sunday June 14, 2009
Sunday June 14, 2009
How to Incorporate a Wizard into a Griffon Application (Part 4)
Thanks to an intervention by Andres Almiray, I now have the Griffon wizard/db example working as I'd expect it to. The wizard's first step is filled from a database, when a selection is made in the drop-down two labels below it are updated with additional info about the current selection:
Here's the code, especially the parts in bold:
import net.miginfocom.swing.MigLayout
import ca.odell.glazedlists.*
import javax.swing.event.ListSelectionListener
import java.util.Map
import ca.odell.glazedlists.swing.EventSelectionModel
import ca.odell.glazedlists.swing.EventListModel
class OneWizardPage {
def stepId = "step1" // must be unique per WizardPage
def description = "Customer Details"
def autoListen = true
def selCity = '<empty>'
def selState = '<empty>'
def pageContents = {
EventList namesEventList = new BasicEventList()
namesEventList.addAll( MyDbService.instance.getAllNames() )
EventListModel listModel = new EventListModel(namesEventList)
EventSelectionModel selectionModel = new EventSelectionModel(namesEventList)
def cityLabel = null
def stateLabel = null
selectionModel.addListSelectionListener( [ valueChanged: {e ->
if (e.valueIsAdjusting){
def customer = selectionModel.selected
doOutside {
selCity = MyDbService.instance.getCityForSelectedName(customer)
selState = MyDbService.instance.getStateForSelectedName(customer)
doLater {
cityLabel.text = selCity
stateLabel.text = selState
}
}
}
} ] as ListSelectionListener)
panel(border:lineBorder(1, color: java.awt.Color.black), constraints: "growx", layout: new MigLayout('fill')) {
label( text: "Name:" )
scrollPane(constraints: "growx, wrap"){
list( name: "tf1", model: listModel, selectionModel: selectionModel, visibleRowCount: 1 )
}
label( text: "City:" )
cityLabel = label( name: "tf2",
text: selCity,
constraints: "growx, wrap" )
label( text: "State:" )
stateLabel = label( name: "tf3",
text: selState,
constraints: "growx, wrap" )
}
}
// Either return a String that indicates a problem
// or return a null value indicating no problem
def onValidate = { component, /*PropertyChangeEvent*/ event ->
return null // no problems
}
}
Thanks Andres!
Jun 14 2009, 05:16:53 AM PDT Permalink
3 Comments