use of org.rstudio.studio.client.workbench.views.console.shell.editor.InputEditorLineWithCursorPosition in project rstudio by rstudio.
the class RCompletionManager method goToFunctionDefinition.
public void goToFunctionDefinition() {
// check for a file-local definition (intra-file navigation -- using
// the active scope tree)
AceEditor editor = (AceEditor) docDisplay_;
if (editor != null) {
TokenCursor cursor = editor.getSession().getMode().getRCodeModel().getTokenCursor();
if (cursor.moveToPosition(editor.getCursorPosition(), true)) {
// token (obstensibly a funciton name)
if (cursor.isLeftBracket())
cursor.moveToPreviousToken();
// navigate (as this isn't the 'full' function name)
if (cursor.moveToPreviousToken()) {
if (cursor.isExtractionOperator())
return;
cursor.moveToNextToken();
}
// if this is a string, try resolving that string as a file name
if (cursor.hasType("string")) {
String tokenValue = cursor.currentValue();
String path = tokenValue.substring(1, tokenValue.length() - 1);
FileSystemItem filePath = FileSystemItem.createFile(path);
// This will show a dialog error if no such file exists; this
// seems the most appropriate action in such a case.
fileTypeRegistry_.editFile(filePath);
}
String functionName = cursor.currentValue();
JsArray<ScopeFunction> scopes = editor.getAllFunctionScopes();
for (int i = 0; i < scopes.length(); i++) {
ScopeFunction scope = scopes.get(i);
if (scope.getFunctionName().equals(functionName)) {
navigableSourceEditor_.navigateToPosition(SourcePosition.create(scope.getPreamble().getRow(), scope.getPreamble().getColumn()), true);
return;
}
}
}
}
// intra-file navigation failed -- hit the server and find a definition
// in the project index
// determine current line and cursor position
InputEditorLineWithCursorPosition lineWithPos = InputEditorUtil.getLineWithCursorPosition(input_);
// delayed progress indicator
final GlobalProgressDelayer progress = new GlobalProgressDelayer(globalDisplay_, 1000, "Searching for function definition...");
server_.getObjectDefinition(lineWithPos.getLine(), lineWithPos.getPosition(), new ServerRequestCallback<ObjectDefinition>() {
@Override
public void onResponseReceived(ObjectDefinition def) {
// dismiss progress
progress.dismiss();
// if we got a hit
if (def.getObjectName() != null) {
// search locally if a function navigator was provided
if (navigableSourceEditor_ != null) {
// try to search for the function locally
SourcePosition position = navigableSourceEditor_.findFunctionPositionFromCursor(def.getObjectName());
if (position != null) {
navigableSourceEditor_.navigateToPosition(position, true);
// we're done
return;
}
}
// navigate to the file/loc
if (def.getObjectType() == FileFunctionDefinition.OBJECT_TYPE) {
FileFunctionDefinition fileDef = def.getObjectData().cast();
fileTypeRegistry_.editFile(fileDef.getFile(), fileDef.getPosition());
} else // search path definition
if (def.getObjectType() == SearchPathFunctionDefinition.OBJECT_TYPE) {
SearchPathFunctionDefinition searchDef = def.getObjectData().cast();
eventBus_.fireEvent(new CodeBrowserNavigationEvent(searchDef));
} else // finally, check to see if it's a data frame
if (def.getObjectType() == DataDefinition.OBJECT_TYPE) {
eventBus_.fireEvent(new SendToConsoleEvent("View(" + def.getObjectName() + ")", true, false));
}
}
}
@Override
public void onError(ServerError error) {
progress.dismiss();
globalDisplay_.showErrorMessage("Error Searching for Function", error.getUserMessage());
}
});
}
use of org.rstudio.studio.client.workbench.views.console.shell.editor.InputEditorLineWithCursorPosition in project rstudio by rstudio.
the class RCompletionManager method goToHelp.
public void goToHelp() {
InputEditorLineWithCursorPosition linePos = InputEditorUtil.getLineWithCursorPosition(input_);
server_.getHelpAtCursor(linePos.getLine(), linePos.getPosition(), new SimpleRequestCallback<Void>("Help"));
}
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