private void updatePreview() {
ConnectionHandler connectionHandler = variablesBundle.getActiveConnection();
Project project = connectionHandler.getProject();
String previewText =
variablesBundle.prepareStatementText(connectionHandler, this.statementText, true);
for (StatementExecutionVariableValueForm variableValueForm : variableValueForms) {
String errorText = variablesBundle.getError(variableValueForm.getVariable());
if (errorText == null) variableValueForm.hideErrorLabel();
else variableValueForm.showErrorLabel(errorText);
}
if (previewDocument == null) {
PsiFileFactory psiFileFactory = PsiFileFactory.getInstance(project);
SQLFile selectStatementFile =
(SQLFile)
psiFileFactory.createFileFromText(
"filter.sql",
connectionHandler.getLanguageDialect(SQLLanguage.INSTANCE),
previewText);
selectStatementFile.setActiveConnection(connectionHandler);
selectStatementFile.setCurrentSchema(variablesBundle.getCurrentSchema());
previewDocument = DocumentUtil.getDocument(selectStatementFile);
viewer = (EditorEx) EditorFactory.getInstance().createViewer(previewDocument, project);
viewer.setEmbeddedIntoDialogWrapper(true);
JScrollPane viewerScrollPane = viewer.getScrollPane();
SyntaxHighlighter syntaxHighlighter =
connectionHandler.getLanguageDialect(SQLLanguage.INSTANCE).getSyntaxHighlighter();
EditorColorsScheme colorsScheme = viewer.getColorsScheme();
viewer.setHighlighter(HighlighterFactory.createHighlighter(syntaxHighlighter, colorsScheme));
viewer.setBackgroundColor(colorsScheme.getColor(ColorKey.find("CARET_ROW_COLOR")));
viewerScrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
viewerScrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);
// viewerScrollPane.setBorder(null);
viewerScrollPane.setViewportBorder(
new LineBorder(CompatibilityUtil.getEditorBackgroundColor(viewer), 4, false));
EditorSettings settings = viewer.getSettings();
settings.setFoldingOutlineShown(false);
settings.setLineMarkerAreaShown(false);
settings.setLineNumbersShown(false);
settings.setVirtualSpace(false);
settings.setDndEnabled(false);
settings.setAdditionalLinesCount(2);
settings.setRightMarginShown(false);
previewPanel.add(viewer.getComponent(), BorderLayout.CENTER);
} else {
final String finalPreviewText = previewText;
new WriteActionRunner() {
public void run() {
previewDocument.setText(finalPreviewText);
}
}.start();
}
}