Examples with ObjectDefinition org.rstudio.studio.client.workbench.codesearch.model.ObjectDefinition used on opensource projects

Example 1 with ObjectDefinition

use of org.rstudio.studio.client.workbench.codesearch.model.ObjectDefinition 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());
        }
    });
}