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#include "constraintcheckpanel.h"
#include "ui_constraintcheckpanel.h"
#include "parser/ast/sqlitecreatetable.h"
#include "parser/parser.h"
#include "parser/keywords.h"
#include "uiutils.h"
#include <QDebug>
ConstraintCheckPanel::ConstraintCheckPanel(QWidget *parent) :
ConstraintPanel(parent),
ui(new Ui::ConstraintCheckPanel)
{
ui->setupUi(this);
init();
}
ConstraintCheckPanel::~ConstraintCheckPanel()
{
delete ui;
}
void ConstraintCheckPanel::changeEvent(QEvent *e)
{
QWidget::changeEvent(e);
switch (e->type()) {
case QEvent::LanguageChange:
ui->retranslateUi(this);
break;
default:
break;
}
}
bool ConstraintCheckPanel::validate()
{
bool nameOk = true;
if (ui->namedCheck->isChecked() && ui->namedEdit->text().isEmpty())
nameOk = false;
bool exprOk = !ui->exprEdit->toPlainText().trimmed().isEmpty() &&
!ui->exprEdit->haveErrors();
bool exprCheckedOk = exprOk && ui->exprEdit->isSyntaxChecked();
setValidState(ui->exprEdit, exprOk, tr("Enter a valid condition."));
setValidState(ui->namedEdit, nameOk, tr("Enter a name of the constraint."));
return exprCheckedOk && nameOk;
}
void ConstraintCheckPanel::constraintAvailable()
{
if (constraint.isNull())
return;
ui->onConflictCheck->setVisible(false);
ui->onConflictCombo->setVisible(false);
readConstraint();
updateVirtualSql();
}
void ConstraintCheckPanel::storeConfiguration()
{
if (constraint.isNull())
return;
storeType();
SqliteExprPtr expr = parseExpression(ui->exprEdit->toPlainText());
SqliteExpr* newExpr = new SqliteExpr(*expr.data());
newExpr->setParent(constraint.data());
storeExpr(newExpr);
QString name = QString();
if (ui->namedCheck->isChecked())
name = ui->namedEdit->text();
storeName(name);
}
void ConstraintCheckPanel::init()
{
setFocusProxy(ui->exprEdit);
ui->exprEdit->setShowLineNumbers(false);
connect(ui->namedCheck, SIGNAL(toggled(bool)), this, SIGNAL(updateValidation()));
connect(ui->namedEdit, SIGNAL(textChanged(QString)), this, SIGNAL(updateValidation()));
connect(ui->exprEdit, SIGNAL(textChanged()), this, SIGNAL(updateValidation()));
connect(ui->exprEdit, SIGNAL(errorsChecked(bool)), this, SIGNAL(updateValidation()));
connect(ui->namedCheck, SIGNAL(toggled(bool)), this, SLOT(updateState()));
connect(ui->onConflictCheck, SIGNAL(toggled(bool)), this, SLOT(updateState()));
ui->onConflictCombo->addItems(getConflictAlgorithms());
updateState();
}
void ConstraintCheckPanel::readConstraint()
{
SqliteExpr* expr = readExpr();
if (expr)
ui->exprEdit->setPlainText(expr->detokenize());
QString name = readName();
if (!name.isNull())
{
ui->namedCheck->setChecked(true);
ui->namedEdit->setText(name);
}
}
void ConstraintCheckPanel::updateVirtualSql()
{
ui->exprEdit->setDb(db);
SqliteCreateTable* createTable = getCreateTable();
createTable->rebuildTokens();
TokenList tokens = createTable->tokens;
int idx = tokens.lastIndexOf(Token::PAR_RIGHT);
if (idx == -1)
{
qWarning() << "CREATE TABLE tokens are invalid while call to ConstraintCheckPanel::updateVirtualSql().";
return;
}
TokenList newTokens;
newTokens << TokenPtr::create(Token::OPERATOR, ",")
<< TokenPtr::create(Token::SPACE, " ")
<< TokenPtr::create(Token::KEYWORD, "CHECK")
<< TokenPtr::create(Token::SPACE, " ")
<< TokenPtr::create(Token::PAR_LEFT, "(")
<< TokenPtr::create(Token::OTHER, "%1")
<< TokenPtr::create(Token::PAR_RIGHT, ")");
tokens.insert(idx, newTokens);
QString sql = tokens.detokenize();
ui->exprEdit->setVirtualSqlExpression(sql);
}
SqliteExprPtr ConstraintCheckPanel::parseExpression(const QString& sql)
{
Parser parser;
SqliteExpr *expr = parser.parseExpr(sql);
return SqliteExprPtr(expr);
}
void ConstraintCheckPanel::updateState()
{
ui->namedEdit->setEnabled(ui->namedCheck->isChecked());
ui->onConflictCombo->setEnabled(ui->onConflictCheck->isChecked());
}
bool ConstraintCheckPanel::validateOnly()
{
ui->exprEdit->checkSyntaxNow();
return validate();
}
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