/*

Description: start-up dialog

Author: Marco Costalba (C) 2005-2007

Copyright: See COPYING file that comes with this distribution

*/

#include <QSettings>

#include <QRegExp>

#include "common.h"

#include "git.h"

#include "rangeselectimpl.h"

using namespace QGit;

RangeSelectImpl::RangeSelectImpl(QWidget* par, QString* r, bool repoChanged, Git* g)

: QDialog(par), git(g), range(r) {

setupUi(this);

QStringList orl, tmp;

orderRefs(git->getAllRefNames(Git::BRANCH, !Git::optOnlyLoaded), tmp);

if (!tmp.isEmpty())

orl << tmp << "";

orderRefs(git->getAllRefNames(Git::RMT_BRANCH, !Git::optOnlyLoaded), tmp);

if (!tmp.isEmpty())

orl << tmp << "";

orderRefs(git->getAllRefNames(Git::TAG, !Git::optOnlyLoaded), tmp);

if (!tmp.isEmpty())

orl << tmp;

// as default select first tag that is not also the current HEAD

int defIdx = orl.count() - tmp.count();

if (!tmp.empty()) {

SCRef tagSha(git->getRefSha(tmp.first(), Git::TAG, false));

if (!tagSha.isEmpty() && git->checkRef(tagSha, Git::CUR_BRANCH))

// in this case set as default tag the next one if any

defIdx += (tmp.count() > 1 ? 1 : -1);

}

if (!orl.isEmpty() && orl.last().isEmpty())

orl.pop_back();

QString from, to, options;

if (!repoChanged) {

// range values are sensible only when reloading the same repo

QSettings settings;

from = settings.value(RANGE_FROM_KEY).toString();

to = settings.value(RANGE_TO_KEY).toString();

options = settings.value(RANGE_OPT_KEY).toString();

}

comboBoxTo->insertItem(0, "HEAD");

comboBoxTo->insertItems(1, orl);

int idx = repoChanged ? 0 : comboBoxTo->findText(to);

if (idx != -1)

comboBoxTo->setCurrentIndex(idx);

else

comboBoxTo->setEditText(to);

comboBoxFrom->insertItems(0, orl);

idx = repoChanged ? defIdx : comboBoxFrom->findText(from);

if (idx != -1)

comboBoxFrom->setCurrentIndex(idx);

else

comboBoxFrom->setEditText(from);

comboBoxFrom->setFocus();

lineEditOptions->setText(options);

int f = flags(FLAGS_KEY);

checkBoxDiffCache->setChecked(f & DIFF_INDEX_F);

checkBoxShowAll->setChecked(f & ALL_BRANCHES_F);

checkBoxShowWholeHistory->setChecked(f & WHOLE_HISTORY_F);

checkBoxShowDialog->setChecked(f & RANGE_SELECT_F);

}

void RangeSelectImpl::orderRefs(const QStringList& src, QStringList& dst) {

// we use an heuristic to list release candidates before corresponding

// releases as example v.2.6.18-rc4 before v.2.6.18

// match a (dotted) number + something else + a number + EOL

QRegExp re("[\\d\\.]+([^\\d\\.]+\\d+$)");

// in ASCII the space ' ' (32) comes before '!' (33) and both

// before the rest, we need this to correctly order a sequence like

//

// [v1.5, v1.5-rc1, v1.5.1] --> [v1.5.1, v1.5, v1.5-rc1]

const QString rcMark(" $$%%"); // an impossible to find string starting with a space

const QString noRcMark("!$$%%"); // an impossible to find string starting with a '!'

typedef QMap<QString, QString> OrderedMap;

QRegExp verRE("([^\\d])(\\d{1,2})(?=[^\\d])");

OrderedMap map;

FOREACH_SL (it, src) {

QString tmpStr(*it);

if (re.indexIn(tmpStr) != -1)

tmpStr.insert(re.pos(1), rcMark);

else

tmpStr += noRcMark;

// Normalize all numbers to 3 digits with leading zeros, so one-digit

// version numbers are always smaller than two-digit version numbers

// [v1.10.3, v1.5.1, v1.7.2] --> [v.1.10.3, v1.7.2, v1.5.1]

// QMap automatically sorts by keys, so we only have to iterate over it

// and return the original strings (stored as the data() in the map)

while (tmpStr.contains(verRE))

tmpStr.replace(verRE, "\\10\\2");

map[tmpStr] = *it;

}

dst.clear();

FOREACH (OrderedMap, it, map)

dst.prepend(it.value());

}

void RangeSelectImpl::checkBoxDiffCache_toggled(bool b) {

setFlag(DIFF_INDEX_F, b);

}

void RangeSelectImpl::checkBoxShowDialog_toggled(bool b) {

setFlag(RANGE_SELECT_F, b);

}

void RangeSelectImpl::checkBoxShowAll_toggled(bool b) {

QString opt(lineEditOptions->text());

opt.remove("--all");

if (b)

opt.append(" --all");

lineEditOptions->setText(opt.trimmed());

setFlag(ALL_BRANCHES_F, b);

}

void RangeSelectImpl::checkBoxShowWholeHistory_toggled(bool b) {

comboBoxFrom->setEnabled(!b);

comboBoxTo->setEnabled(!b);

setFlag(WHOLE_HISTORY_F, b);

}

void RangeSelectImpl::pushButtonOk_clicked() {

if (testFlag(WHOLE_HISTORY_F))

*range = "HEAD";

else {

*range = comboBoxFrom->currentText();

if (!range->isEmpty())

range->append("..");

range->append(comboBoxTo->currentText());

}

// all stuff after "--" should go after range

if (lineEditOptions->text().contains("--")) {

QString tmp(lineEditOptions->text());

tmp.insert(tmp.indexOf("--"), *range + " ");

*range = tmp;

} else

range->prepend(lineEditOptions->text() + " ");

*range = range->trimmed();

// save settings before leaving

QSettings settings;

settings.setValue(RANGE_FROM_KEY, comboBoxFrom->currentText());

settings.setValue(RANGE_TO_KEY, comboBoxTo->currentText());

settings.setValue(RANGE_OPT_KEY, lineEditOptions->text());

done(QDialog::Accepted);

}