/**
* Set the given view to be the current view. Fire a contentsChanged() event to registered view
* listeners. Throw an exception if the view is not known.
*/
public void setCurrentView(View v) {
if ((v != null) && !_views.contains(v)) {
throw new IllegalArgumentException("View " + v + " is not known by application " + this);
}
_views.setSelectedItem(v);
}
/**
* Add a document to the list of documents currently known by this application. Fire a document
* list event to registered listeners. Throw an exception if the document is already in the list
* of documents.
*/
public void addDocument(Document d) {
if (_documents.contains(d)) {
throw new IllegalArgumentException(
"Document " + d + " is already known by application " + this);
}
_documents.addElement(d);
}
/**
* Remove a view from the list of views currently known by this application. Fire a list data
* event to registered view listeners. If the removed view is the current view it is up to the
* application to decide which view to display next. Throw an exception if the view is not known.
*/
public void removeView(View v) {
if (!_views.contains(v)) {
throw new IllegalArgumentException("View " + v + " is not known by application " + this);
}
_views.removeElement(v);
List views = (List) _documentMap.get(v.getDocument());
if (views != null) {
views.remove(v);
}
}
/**
* Add a view to the list of views currently known by this application. Fire a view list event to
* registered listeners. Throw an exception if the view is already in the list of views.
*/
public void addView(View v) {
if (_views.contains(v)) {
throw new IllegalArgumentException("View " + v + " is already known by application " + this);
}
List l = (List) _documentMap.get(v.getDocument());
if (l == null) {
l = new LinkedList();
_documentMap.put(v.getDocument(), l);
}
l.add(v);
_views.addElement(v);
}
/**
* Remove a document from the list of documents currently known by this application, and remove
* all of the views associated with this document. Fire a list data event to registered document
* listeners. Throw an exception if the document is not known.
*/
public void removeDocument(Document d) {
if (!_documents.contains(d)) {
throw new IllegalArgumentException("Document " + d + " is not known by application " + this);
}
_documents.removeElement(d);
List views = (List) _documentMap.get(d);
for (Iterator i = views.iterator(); i.hasNext(); ) {
View v = (View) i.next();
i.remove();
removeView(v);
}
_documentMap.remove(d);
}
/** Get a list of all view objects known by this application. */
public List viewList() {
return _views.getList();
}
/** Remove a view list listener from this application. */
public void removeViewListener(ListDataListener listener) {
_views.removeListDataListener(listener);
}
/** Remove a document list listener from this application. */
public void removeDocumentListener(ListDataListener listener) {
_documents.removeListDataListener(listener);
}
/**
* Get the current view. Generally, this will be the one that is displayed in the window that is
* top-most in the display.
*/
public View getCurrentView() {
return (View) _views.getSelectedItem();
}
/** Get list of all document objects known by this application. */
public List documentList() {
return _documents.getList();
}
/**
* Add a view listener to this application. The view listener is in fact a ListDataListener, which
* will be notified with intervalAdded() and intervalRemoved() events when views are added or
* removed, and with a contentsChanged() event when the current view is changed.
*/
public void addViewListener(ListDataListener listener) {
_views.addListDataListener(listener);
}
/**
* Add a document listener to this application. The document listener is in fact a
* ListDataListener, which will be notified with intervalAdded() and intervalRemoved() events when
* documents are added or removed, and with a contentsChanged() event when the current document is
* changed.
*/
public void addDocumentListener(ListDataListener listener) {
_documents.addListDataListener(listener);
}