/*
* retourne le nom à afficher
*/
private String getDisplayName(DbObject dbo) throws DbException {
String dboDisplayName = null;
if (dbo.getName() != null) {
if (dbo.getName().length() != 0) dboDisplayName = dbo.getName();
else {
dboDisplayName =
ApplicationContext.getSemanticalModel().getDisplayText(dbo, Explorer.class);
}
} else {
dboDisplayName = ApplicationContext.getSemanticalModel().getDisplayText(dbo, Explorer.class);
}
return dboDisplayName;
} // end getDisplayName
// Called at the end of a cell edition, to process the edition result.
public final void valueForPathChanged(TreePath path, Object newValue) {
DynamicNode node = (DynamicNode) path.getLastPathComponent();
Object obj = node.getRealObject();
if (obj instanceof DbObject) {
boolean editable = false;
try {
Db db = ((DbObject) obj).getDb();
if (db.isValid()) {
db.beginReadTrans();
MetaField editableMetaField = getEditableMetaField((DbObject) obj);
if (editableMetaField == null)
editable =
ApplicationContext.getSemanticalModel()
.isNameEditable((DbObject) obj, Explorer.class);
else
editable =
ApplicationContext.getSemanticalModel()
.isEditable(editableMetaField, (DbObject) obj, Explorer.class);
db.commitTrans();
}
} catch (DbException ex) {
org.modelsphere.jack.util.ExceptionHandler.processUncatchedException(
ApplicationContext.getDefaultMainFrame(), ex);
editable = false;
}
if (!editable) return;
} else {
return;
}
DbObject semObj = (DbObject) obj;
try {
MetaField editableMetaField = getEditableMetaField(semObj);
String transName =
(editableMetaField == null
? LocaleMgr.action.getString("rename")
: MessageFormat.format(kUpdate0, new Object[] {editableMetaField.getGUIName()}));
semObj.getDb().beginTrans(Db.WRITE_TRANS, transName);
if (editableMetaField == null) {
if (semObj.getTransStatus() == Db.OBJ_REMOVED) return;
semObj.setName((String) newValue);
} else semObj.set(editableMetaField, (String) newValue);
semObj.getDb().commitTrans();
nodeChanged(node); // in case it is a secondary node (only the
// primary node is updated by the refresh
// listener).
} catch (Exception ex) {
org.modelsphere.jack.util.ExceptionHandler.processUncatchedException(
ApplicationContext.getDefaultMainFrame(), ex);
}
}
// This method updates the explorer for changes in a relation N where all
// children are secondary nodes.
// IMPORTANT: a node whose children are secondary nodes cannot have grouping
// nodes.
protected final void updateSecondaryChildren(DbUpdateEvent evt) throws DbException {
if (!ApplicationContext.getSemanticalModel()
.isVisibleOnScreen(evt.dbo, evt.neighbor, Explorer.class)) return;
DynamicNode parentNode = getDynamicNode(evt.dbo, false);
if (parentNode == null || !parentNode.hasLoaded()) return;
DynamicNode childNode = null;
int nb = getChildCount(parentNode);
for (int i = 0; i < nb; i++) {
DynamicNode node = (DynamicNode) getChild(parentNode, i);
if (((DynamicNode) node.getUserObject()).getUserObject() == evt.neighbor) {
childNode = node;
break;
}
}
if (evt.op == Db.REMOVE_FROM_RELN) {
if (childNode != null) removeNodeFromParent(childNode);
} else if (evt.op == Db.ADD_TO_RELN) {
if (childNode == null) {
childNode = createSecondaryNode(evt.dbo, evt.neighbor);
int index = getInsertionIndex(evt.dbo, evt.neighbor, parentNode, childNode);
insertNodeInto(childNode, parentNode, index);
}
} else { // Db.REINSERT_IN_RELN
if (!childrenAreSorted(evt.dbo) && childNode != null) {
removeNodeFromParent(childNode);
int index = getInsertionIndex(evt.dbo, evt.neighbor, parentNode, childNode);
insertNodeInto(childNode, parentNode, index);
}
}
}
public final DynamicNode getDynamicNode(DbObject dbo, int which, boolean load)
throws DbException {
SrVector path = new SrVector(10);
Db db = dbo.getDb();
db.beginTrans(Db.READ_TRANS);
while (dbo != null && !(dbo instanceof DbRoot)) {
path.addElement(dbo);
dbo = getDbParent(dbo, which);
}
if (db instanceof DbRAM) {
if (DB_RAM != ((DynamicNode) getRoot()).getUserObject()) path.addElement(DB_RAM);
} else path.addElement(db);
DynamicNode nodeFound = (DynamicNode) getRoot();
for (int i = path.size(); --i >= 0; ) {
if (load) loadChildren(nodeFound);
Object userObj = path.elementAt(i);
dbo = null;
DbObject dbParent = null;
GroupParams group = GroupParams.defaultGroupParams;
DynamicNode groupNode = null;
DynamicNode node = null;
if (userObj instanceof DbObject) {
dbo = (DbObject) userObj;
dbParent = getDbParent(dbo, which);
group = getGroupParams(dbParent, dbo);
}
if (group.name == null) {
node = getDynamicNode(nodeFound, userObj, 0);
} else {
groupNode = getGroupNode(nodeFound, group, 0);
if (groupNode != null) node = getDynamicNode(groupNode, userObj, 0);
}
if (node == null && nodeFound.hasLoaded() && !nodeFound.isLeaf() && which == Db.NEW_VALUE) {
SemanticalModel model = ApplicationContext.getSemanticalModel();
boolean visible = model.isVisibleOnScreen(dbParent, dbo, Explorer.class);
if (visible) {
node = createPrimaryNode(dbParent, dbo);
if (group.name == null) {
insertNodeInto(node, nodeFound, getInsertionIndex(dbParent, dbo, nodeFound, node));
} else {
if (groupNode == null) {
groupNode = createGroupNode(group);
insertNodeInto(groupNode, nodeFound, getSortedIndex(nodeFound, groupNode));
}
insertNodeInto(node, groupNode, getInsertionIndex(dbParent, dbo, groupNode, node));
}
}
}
nodeFound = node;
if (nodeFound == null) break;
}
db.commitTrans();
return nodeFound;
}
// Overridden
protected void insertComponents(SrVector children, DbObject dbParent) throws DbException {
SemanticalModel model = ApplicationContext.getSemanticalModel();
DbEnumeration dbEnum = dbParent.getComponents().elements();
while (dbEnum.hasMoreElements()) {
DbObject dbo = dbEnum.nextElement();
boolean isVisible = model.isVisibleOnScreen(dbParent, dbo, Explorer.class);
if (isVisible) {
children.addElement(createPrimaryNode(dbParent, dbo));
} // end if
} // end while
dbEnum.close();
} // end insertComponents()
protected String getDisplayText(DbObject dbParent, DbObject dbo) throws DbException {
return ApplicationContext.getSemanticalModel().getDisplayText(dbo, Explorer.class);
}
