All,
Here is a HOWTO for creating a new Open Wizard, excluding a File Layer
which uses the Open File plug-in mechanism.
1. Define your wizard class to implement
org.openjump.core.ui.swing.wizard.WizardGroup or extend
org.openjump.core.ui.swing.wizard.AbstractWizardGroup. For the
AbstractWizard group there are 3 arguments, the display name and icon to
display in the Open Wizard and the last is the ID of the first wizard panel.
public class WFSWizard extends AbstractWizardGroup {
private static final String KEY = WFSWizard.class.getName();
public WFSWizard() {
super(I18N.get(KEY), IconLoader.icon("wfs.gif"),
WfsWizardPanel.getClass().getName());
}
:
}
2. Implement the initialize method on your wizard to create the panels
for each time the wizard is shown. The reason you don't do this in the
constructor is that the information you need may not be initialized when
you construct the wizard.
private ChooseProjectPanel chooseProjectPanel;
public void initialize(WorkbenchContext workbenchContext, WizardDialog
dialog) {
removeAllPanels(); // Start from a clean slate
// The chooseProject panel ensures that there is an open project to open
the file into
chooseProjectPanel = new ChooseProjectPanel(workbenchContext,
urlPanel.getID());
addPanel(chooseProjectPanel);
// Add the wizard panels for your type of data
addPanel(new WfsWizardPanel();
}
3. Implement the method getFirstId to return the ID of the first wizard
panel, if the first panel is always the same then this method is not
required in the AbstractWizardGroup because you passed in the value in
the constructor. If using the ChoosePeojectPanel you'll need to
implement it using the following approach.
public String getFirstId() {
String firstId = super.getFirstId();
if (!chooseProjectPanel.hasActiveTaskFrame()
&& chooseProjectPanel.hasTaskFrames()) {
chooseProjectPanel.setNextID(firstId);
return chooseProjectPanel.getID();
} else {
return firstId;
}
}
4. Implement the run method to actually do the loading of the data, this
method is run in a separate thread so as not to block the GUI thread, so
follow the standard Swing Threading rules (see SwingUtilities.invokeLater())
public void run(WizardDialog dialog, TaskMonitor monitor) {
chooseProjectPanel.activateSelectedProject();
// Do the code for your plugin
}
5. Register your wizard
WfsWizard wfsWizard = new WfsWizard();
OpenWizardPlugIn.addWizard(workbenchContext, wfsWizard);
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