public void setLanguageObject(ILanguageObject theLangObj) {
// language object must be cloned here so that the original isn't modified.
// this prevents the original from being modified even if the user cancels out of the builder.
ILanguageObject langObj = (theLangObj == null) ? null : (ILanguageObject) theLangObj.clone();
savedLangObj = langObj;
setOriginalSql(langObj);
setCurrentSql(langObj);
treeViewer.setLanguageObject(langObj);
treeViewer.selectRoot();
treeViewer.expandAll();
// Defect 22003 - needed a context for the original expression
// Providing a Lable at the top of the dialog.
String labelText =
Util.getString(PREFIX + "initialExpression")
+ //$NON-NLS-1$
CoreStringUtil.Constants.DBL_SPACE
+ CoreStringUtil.Constants.DBL_SPACE
+ Util.getString(PREFIX + "undefined"); // $NON-NLS-1$
if (savedLangObj != null) {
String loString = savedLangObj.toString();
if (loString.length() > 50) {
loString = loString.substring(0, 50) + "..."; // $NON-NLS-1$
}
labelText =
Util.getString(PREFIX + "initialExpression")
+ //$NON-NLS-1$
CoreStringUtil.Constants.DBL_SPACE
+ CoreStringUtil.Constants.DBL_SPACE
+ loString;
}
if (originalLanguageObjLabel != null) {
originalLanguageObjLabel.setText(labelText);
originalLanguageObjLabel.getParent().layout();
}
// select root tree node
Display.getDefault()
.asyncExec(
new Runnable() {
@Override
public void run() {
treeViewer.selectRoot();
}
});
}
@Override
public void visitNode(ILanguageObject obj) {
if (obj == null) {
append(DisplayNodeConstants.UNDEFINED);
return;
}
if ((obj instanceof IExpressionSymbol && !(obj instanceof IAggregateSymbol))) {
IQueryService queryService = ModelerCore.getTeiidQueryService();
ISQLStringVisitor delegate = queryService.getCallbackSQLStringVisitor(this);
obj.acceptVisitor(delegate);
return;
}
// turn off indenting for nested commands
int childIndent = indentLevel;
if ((node.languageObject instanceof ISubqueryContainer
|| node.languageObject instanceof IExpressionStatement)
&& obj instanceof ICommand) {
childIndent = -1;
}
DisplayNode child = DisplayNodeFactory.createDisplayNode(node, obj, childIndent);
node.addChildNode(child);
}