public void remove(int index) {
if (activeEditors.size() == 0)
return; // it can get a bit excitable about removing element 0 ...
PluggableEditor ed = (PluggableEditor) activeEditors.remove(index);
ed.unload();
super.remove(index);
}
/**
* Not all editors are capable of displaying new entries. This whips through and removes all
* editors that can't.
*/
private void trimNonNewEntryEditors() {
int size = activeEditors.size();
for (int i = size - 1; i >= 0; i--) {
if (((DataSink) activeEditors.get(i)).canCreateEntry() == false) {
remove(i);
}
}
suggestTableEditor(); // use table editor as default for new entries...
}
/** If a purpose written pluggable editor is available, switch to that, */
public boolean suggestPluggableEditor() {
for (int i = activeEditors.size() - 1; i >= 0; i--) {
// try to set to the first 'user written' pluggable editor
// that can be found...
PluggableEditor ed = (PluggableEditor) activeEditors.get(i);
if ((ed != templateDisplay) && (ed != tableDisplay)) {
setCurrentEditor(ed);
return true;
}
}
return false;
}
/**
* This can be used to register Swing components that may be used by sub editors to affect the
* outside environment.
*/
public void registerComponents(
JMenuBar menu, JToolBar buttons, JTree tree, JPopupMenu treeMenu, JFrame jxplorer) {
registerMenu = menu;
registerButtons = buttons;
registerTree = tree;
registerTreeMenu = treeMenu;
registerJX = jxplorer;
// reset the sub editors as well.
for (int i = 0; i < activeEditors.size(); i++) {
((PluggableEditor) activeEditors.get(i))
.registerComponents(menu, buttons, tree, treeMenu, jxplorer);
}
}
/**
* Removes all transient editors, and ensures that the table editor and the html editor are
* available.
*/
void clearPluggableEditors() {
ignoreChangeEvents = true;
for (int i = activeEditors.size() - 1; i >= 0; i--) {
PluggableEditor ed = (PluggableEditor) activeEditors.get(i);
if ((ed != templateDisplay) && (ed != tableDisplay)) {
remove(i);
}
}
if (activeEditors.contains(templateDisplay) == false) {
addEditor(templateDisplay);
}
if (activeEditors.contains(tableDisplay) == false) {
addEditor(tableDisplay);
}
if (currentEditor != tableDisplay && currentEditor != templateDisplay) {
suggestHTMLEditor();
}
ignoreChangeEvents = false;
}
public void removeAll() {
int size = activeEditors.size();
for (int i = size - 1; i >= 0; i--) remove(i);
super.removeAll(); // XXX this really shouldn't be necessary.
}
/**
* Clear out all the old editors, and get new editors corresponding to the new object classes.
*
* @param entry the entry to be displayed by all the editors
* @param ds the datasource the editors may use for more info
* @param ocs the object classes (in order) to find editors for.
*/
protected void setEditors(DXEntry entry, DataBrokerQueryInterface ds, Vector ocs) {
try {
clearPluggableEditors(); // clear all extra editors
// search for unique structural editors...
if ("false".equalsIgnoreCase(JXConfig.getProperty("plugins.ignoreUniqueness"))) {
if (ocs == null) // TE: may happen if virtual entry.
return;
int size = ocs.size();
for (int i = 0; i < size; i++) {
Object objectClass = ocs.get(i);
if (objectClass != null) {
PluggableEditor ed = getEditor(objectClass.toString());
if (ed != null && ed.isUnique() == true) // found a unique editor
{ // so clear old ones,
addUniqueEditor(ed); // and use the unique one
refreshEditors(entry, ds); // to display the data
setCurrentEditor(ed);
return; // ... and exit.
}
}
}
} else log.warning("skipping uniqueness test for pluggable editors");
boolean newEdSet = false;
// search for non-unique structural editors
for (int i = 0; i < ocs.size(); i++) {
Object objectClass = ocs.get(i);
if (objectClass != null) {
PluggableEditor ed = getEditor(objectClass.toString());
if (ed != null) {
addEditor(ed);
// Force the displayed editor to be the first pluggable one...
if (newEdSet == false) {
setCurrentEditor(ed);
newEdSet = true;
}
}
}
}
// search for non-structural editors
try {
Attribute allOCs = entry.getAllObjectClasses();
if (allOCs != null) {
Enumeration vals = allOCs.getAll();
while (vals.hasMoreElements()) {
Object oc = vals.nextElement();
if (oc != null) {
String ocName = oc.toString();
if (ocs.contains(ocName)
== false) // don't bother with struct objectclasses dealt with above
{
PluggableEditor ed = getEditor(ocName);
if (ed != null) {
addEditor(ed);
if (ed.isUnique()) // a special service to users...
log.warning(
"WARNING: Illegal unique editor defined for oc: "
+ ocName
+ " not allowed - (oc not in primary structural inheritance chain)");
}
}
}
}
}
} catch (NamingException e) {
log.log(
Level.WARNING,
"WARNING: non-fatal exception getting object classes for plugin editors. ",
e);
}
addEditor(templateDisplay); // and always add old faithfulls...
// XXX
if (entry.getStatus() != DXEntry.NEW) // well, almost always...
addEditor(tableDisplay);
} catch (Exception e) {
log.warning("Unexpected Exception in AttributeDisplay\n" + e);
e.printStackTrace();
}
}
public void displayEntry(DXEntry dxentry, DataBrokerQueryInterface ds) {
// Set the local data variables.
dataSource = ds;
entry = dxentry;
// check that the default editors have been initialised.
if (tableDisplay == null) initTableEditor();
if (templateDisplay == null) initHTMLEditor();
// check for a 'no data' display - if there is no data, revert
// to the default html 'no data' template.
if (entry
== null) // || entry.size() == 0) //TE: This is commented out to allow virtual nodes to be
// edited.
{
if (oldOCSig != null) {
clearPluggableEditors();
if (activeEditors.size() == 0) {
addEditor(templateDisplay);
}
oldOCSig = null;
}
refreshEditors(null, ds);
} else {
dataSource = ds; // may be null...
Vector ocs = entry.getOrderedOCs();
// try to create a unique 'signature' for a group of object classes
// This relies on them being delivered in the same order though. (Less
// efficient if they aren't, but otherwise shouldn't be a big problem).
String newOCSig = new String();
if (ocs != null)
for (int i = 0; i < ocs.size(); i++) {
Object ocSig = ocs.get(i);
if (ocSig != null) newOCSig += ocSig.toString();
}
// Check if signiture hasn't changed. If it *has* changed,
// reset the editors using 'setEditors', and update
// the 'old object class signiture' variable.
if (newOCSig.equals(oldOCSig) == false) {
setEditors(entry, ds, ocs);
oldOCSig = newOCSig;
}
// Some quick sanity checks...
if (entry.getStatus() == DXEntry.NEW) // check for new entries (but *not* NEW_WRITTEN)...
{
// don't allow editors to appear that can't edit a new entry
trimNonNewEntryEditors();
suggestPluggableEditor();
} else {
// make sure that the html template display is around...
// XXX (a bit of a hack - this should really check that *all*
// XXX editor that can't handle new entries have been added back...
// XXX (maybe set flag?)
// TE: added '&& !currentEditor.isUnique()' b/c this code always made sure the HTML
// TE: editor is visible, whereas with a unique plugin we only want that one visible...
// TE: unless of course I am totally confused! See bug 674.
if (activeEditors.contains(templateDisplay) == false && !currentEditor.isUnique()) {
add((PluggableEditor) templateDisplay, 0);
if (currentEditor != null) // XXX hack hack.
setCurrentEditor(currentEditor);
}
}
if (activeEditors.contains(currentEditor) == false) {
suggestPluggableEditor();
}
// now that the editor set we're using has been sorted out,
// actually go and update the editors! (Nb. this triggers an usaved changes check)
refreshEditors(entry, ds);
}
}