public void closeGrammar(VirtualFile grammarFile) {
String grammarFileName = grammarFile.getPath();
LOG.info("closeGrammar " + grammarFileName + " " + project.getName());
inputPanel.resetStartRuleLabel();
inputPanel.clearErrorConsole();
clearParseTree(); // wipe tree
ANTLRv4PluginController controller = ANTLRv4PluginController.getInstance(project);
PreviewState previewState = controller.getPreviewState(grammarFile);
inputPanel.releaseEditor(previewState);
}
public void createGUI() {
this.setLayout(new BorderLayout());
// Had to set min size / preferred size in InputPanel.form to get slider to allow left shift of
// divider
Splitter splitPane = new Splitter();
inputPanel = getEditorPanel();
splitPane.setFirstComponent(inputPanel.getComponent());
splitPane.setSecondComponent(createParseTreeAndProfileTabbedPanel());
this.add(splitPane, BorderLayout.CENTER);
}
public void ensureStartRuleExists(VirtualFile grammarFile) {
PreviewState previewState =
ANTLRv4PluginController.getInstance(project).getPreviewState(grammarFile);
// if start rule no longer exists, reset display/state.
if (previewState.g != ParsingUtils.BAD_PARSER_GRAMMAR && previewState.startRuleName != null) {
Rule rule = previewState.g.getRule(previewState.startRuleName);
if (rule == null) {
previewState.startRuleName = null;
inputPanel.resetStartRuleLabel();
}
}
}
/** Notify the preview tool window contents that the grammar file has changed */
public void grammarFileSaved(VirtualFile grammarFile) {
String grammarFileName = grammarFile.getPath();
LOG.info("grammarFileSaved " + grammarFileName + " " + project.getName());
ANTLRv4PluginController controller = ANTLRv4PluginController.getInstance(project);
PreviewState previewState = controller.getPreviewState(grammarFile);
ensureStartRuleExists(grammarFile);
inputPanel.grammarFileSaved(grammarFile);
// if the saved grammar is not a pure lexer and there is a start rule, reparse
// means that switching grammars must refresh preview
if (previewState.g != null && previewState.startRuleName != null) {
updateParseTreeFromDoc(previewState.grammarFile);
} else {
setParseTree(Collections.<String>emptyList(), null); // blank tree
}
profilerPanel.grammarFileSaved(previewState, grammarFile);
}
/** Load grammars and set editor component. */
public void switchToGrammar(VirtualFile oldFile, VirtualFile grammarFile) {
String grammarFileName = grammarFile.getPath();
LOG.info("switchToGrammar " + grammarFileName + " " + project.getName());
ANTLRv4PluginController controller = ANTLRv4PluginController.getInstance(project);
PreviewState previewState = controller.getPreviewState(grammarFile);
inputPanel.switchToGrammar(grammarFile);
if (previewState.startRuleName != null) {
updateParseTreeFromDoc(grammarFile);
} else {
setParseTree(Collections.<String>emptyList(), null); // blank tree
}
profilerPanel.switchToGrammar(previewState, grammarFile);
if (previewState.g == null && previewState.lg != null) {
setEnabled(false);
} else {
setEnabled(true);
}
}
