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/*
* Copyright (C) 2009 Lorenzo Bettini <http://www.lorenzobettini.it>
* See COPYING file that comes with this distribution
*/
#include <QtGui>
#include <QTextEdit>
#include <QRegularExpression>
#include <QSettings>
#include "varianteditor.h"
#include "findreplaceform.h"
#include "ui_findreplaceform.h"
#define TEXT_TO_FIND "textToFind"
#define TEXT_TO_REPLACE "textToReplace"
#define DOWN_RADIO "downRadio"
#define UP_RADIO "upRadio"
#define CASE_CHECK "caseCheck"
#define WHOLE_CHECK "wholeCheck"
#define REGEXP_CHECK "regexpCheck"
FindReplaceForm::FindReplaceForm(QWidget *parent) :
QWidget(parent),
ui(new Ui::FindReplaceForm), textEdit(0)
{
ui->setupUi(this);
ui->errorLabel->setText("");
connect(ui->textToFind, SIGNAL(textChanged(QString)), this, SLOT(textToFindChanged()));
connect(ui->textToFind, SIGNAL(textChanged(QString)), this, SLOT(validateRegExp(QString)));
connect(ui->regexCheckBox, SIGNAL(toggled(bool)), this, SLOT(regexpSelected(bool)));
connect(ui->findButton, SIGNAL(clicked()), this, SLOT(find()));
connect(ui->closeButton, SIGNAL(clicked()), parent, SLOT(close()));
connect(ui->replaceButton, SIGNAL(clicked()), this, SLOT(replace()));
connect(ui->replaceAllButton, SIGNAL(clicked()), this, SLOT(replaceAll()));
}
FindReplaceForm::~FindReplaceForm()
{
delete ui;
if(textEdit)
delete textEdit;
}
void FindReplaceForm::hideReplaceWidgets() {
ui->replaceLabel->setVisible(false);
ui->textToReplace->setVisible(false);
ui->replaceButton->setVisible(false);
ui->replaceAllButton->setVisible(false);
}
void FindReplaceForm::setTextEdit(QTextEdit *textEdit_) {
textEdit = new VariantEditor(textEdit_);
textEdit->connectToSetEnabled(ui->replaceButton);
textEdit->connectToSetEnabled(ui->replaceAllButton);
}
void FindReplaceForm::setTextEdit(QPlainTextEdit *textEdit_)
{
textEdit = new VariantEditor(textEdit_);
textEdit->connectToSetEnabled(ui->replaceButton);
textEdit->connectToSetEnabled(ui->replaceAllButton);
}
void FindReplaceForm::changeEvent(QEvent *e)
{
QWidget::changeEvent(e);
switch (e->type()) {
case QEvent::LanguageChange:
ui->retranslateUi(this);
break;
default:
break;
}
}
void FindReplaceForm::textToFindChanged() {
ui->findButton->setEnabled(ui->textToFind->text().size() > 0);
}
void FindReplaceForm::regexpSelected(bool sel) {
if (sel)
validateRegExp(ui->textToFind->text());
else
validateRegExp("");
}
void FindReplaceForm::validateRegExp(const QString &text) {
if (!ui->regexCheckBox->isChecked() || text.size() == 0) {
ui->errorLabel->setText("");
return; // nothing to validate
}
QRegularExpression reg(text,
(ui->caseCheckBox->isChecked() ? QRegularExpression::NoPatternOption : QRegularExpression::CaseInsensitiveOption));
if (reg.isValid()) {
showError("");
} else {
showError(reg.errorString());
}
}
void FindReplaceForm::showError(const QString &error) {
if (error == "") {
ui->errorLabel->setText("");
} else {
ui->errorLabel->setText("<span style=\" font-weight:600; color:#ff0000;\">" +
error +
"</span>");
}
}
void FindReplaceForm::showMessage(const QString &message) {
if (message == "") {
ui->errorLabel->setText("");
} else {
ui->errorLabel->setText("<span style=\" font-weight:600; color:green;\">" +
message +
"</span>");
}
}
void FindReplaceForm::find() {
find(ui->downRadioButton->isChecked());
}
void FindReplaceForm::find(bool next) {
if (!textEdit)
return; // TODO: show some warning?
// backward search
bool back = !next;
const QString &toSearch = ui->textToFind->text();
bool result = false;
QTextDocument::FindFlags flags;
if (back)
flags |= QTextDocument::FindBackward;
if (ui->caseCheckBox->isChecked())
flags |= QTextDocument::FindCaseSensitively;
if (ui->wholeCheckBox->isChecked())
flags |= QTextDocument::FindWholeWords;
if (ui->regexCheckBox->isChecked()) {
QRegularExpression reg(toSearch,
(ui->caseCheckBox->isChecked() ? QRegularExpression::NoPatternOption : QRegularExpression::CaseInsensitiveOption));
qDebug() << "searching for regexp: " << reg.pattern();
textCursor = textEdit->document()->find(reg, textCursor, flags);
textEdit->setTextCursor(textCursor);
result = (!textCursor.isNull());
} else {
qDebug() << "searching for: " << toSearch;
result = textEdit->find(toSearch, flags);
}
if (result) {
showError("");
} else {
showError(tr("no match found"));
// move to the beginning of the document for the next find
textEdit->setTextCursor(QTextCursor(textEdit->document()->begin()));
}
}
void FindReplaceForm::replace() {
if (!textEdit->textCursor().hasSelection()) {
find();
} else {
textEdit->textCursor().insertText(ui->textToReplace->text());
find();
}
}
void FindReplaceForm::replaceAll() {
int i=0;
while (textEdit->textCursor().hasSelection()){
textEdit->textCursor().insertText(ui->textToReplace->text());
find();
i++;
}
showMessage(tr("Replaced %1 occurrence(s)").arg(i));
}
void FindReplaceForm::writeSettings(QSettings &settings, const QString &prefix) {
settings.beginGroup(prefix);
settings.setValue(TEXT_TO_FIND, ui->textToFind->text());
settings.setValue(TEXT_TO_REPLACE, ui->textToReplace->text());
settings.setValue(DOWN_RADIO, ui->downRadioButton->isChecked());
settings.setValue(UP_RADIO, ui->upRadioButton->isChecked());
settings.setValue(CASE_CHECK, ui->caseCheckBox->isChecked());
settings.setValue(WHOLE_CHECK, ui->wholeCheckBox->isChecked());
settings.setValue(REGEXP_CHECK, ui->regexCheckBox->isChecked());
settings.endGroup();
}
void FindReplaceForm::readSettings(QSettings &settings, const QString &prefix) {
settings.beginGroup(prefix);
ui->textToFind->setText(settings.value(TEXT_TO_FIND, "").toString());
ui->textToReplace->setText(settings.value(TEXT_TO_REPLACE, "").toString());
ui->downRadioButton->setChecked(settings.value(DOWN_RADIO, true).toBool());
ui->upRadioButton->setChecked(settings.value(UP_RADIO, false).toBool());
ui->caseCheckBox->setChecked(settings.value(CASE_CHECK, false).toBool());
ui->wholeCheckBox->setChecked(settings.value(WHOLE_CHECK, false).toBool());
ui->regexCheckBox->setChecked(settings.value(REGEXP_CHECK, false).toBool());
settings.endGroup();
}
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