session.cpp 30.4 KB
Newer Older
con's avatar
con committed
1 2 3 4
/***************************************************************************
**
** This file is part of Qt Creator
**
5
** Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
con's avatar
con committed
6 7 8
**
** Contact:  Qt Software Information (qt-info@nokia.com)
**
9 10 11
**
** Non-Open Source Usage
**
con's avatar
con committed
12 13 14
** Licensees may use this file in accordance with the Qt Beta Version
** License Agreement, Agreement version 2.2 provided with the Software or,
** alternatively, in accordance with the terms contained in a written
15 16 17 18
** agreement between you and Nokia.
**
** GNU General Public License Usage
**
con's avatar
con committed
19 20 21 22 23 24 25 26 27 28
** Alternatively, this file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the packaging
** of this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
**
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html.
**
** In addition, as a special exception, Nokia gives you certain additional
29
** rights. These rights are described in the Nokia Qt GPL Exception
30
** version 1.3, included in the file GPL_EXCEPTION.txt in this package.
31 32
**
***************************************************************************/
hjk's avatar
hjk committed
33 34 35

#include "session.h"

con's avatar
con committed
36 37 38 39 40 41 42 43 44 45 46 47
#include "dependenciesdialog.h"
#include "project.h"
#include "projectexplorer.h"
#include "projectexplorerconstants.h"
#include "nodesvisitor.h"
#include "editorconfiguration.h"

#include <coreplugin/icore.h>
#include <coreplugin/imode.h>
#include <coreplugin/filemanager.h>
#include <coreplugin/editormanager/editormanager.h>
#include <coreplugin/editormanager/ieditor.h>
48
#include <coreplugin/progressmanager/progressmanager.h>
con's avatar
con committed
49 50 51 52
#include <coreplugin/modemanager.h>

#include <texteditor/itexteditor.h>

hjk's avatar
hjk committed
53 54 55
#include <utils/listutils.h>
#include <utils/qtcassert.h>

con's avatar
con committed
56
#include <QtCore/QDebug>
hjk's avatar
hjk committed
57
#include <QtCore/QDir>
con's avatar
con committed
58 59
#include <QtCore/QFileInfo>
#include <QtCore/QFuture>
hjk's avatar
hjk committed
60 61
#include <QtCore/QSettings>

con's avatar
con committed
62
#include <QtGui/QMainWindow>
hjk's avatar
hjk committed
63
#include <QtGui/QMessageBox>
con's avatar
con committed
64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143

namespace {
    bool debug = false;
}

/* SessionFile definitions */
namespace ProjectExplorer {
namespace Internal {

class SessionFile
    : public Core::IFile
{
    Q_OBJECT

public:
    SessionFile(Core::ICore *core);

    bool load(const QString &fileName);
    bool save(const QString &fileName = QString());

    QString fileName() const;
    void setFileName(const QString &fileName);

    QString defaultPath() const;
    QString suggestedFileName() const;
    virtual QString mimeType() const;

    bool isModified() const;
    bool isReadOnly() const;
    bool isSaveAsAllowed() const;

    void modified(Core::IFile::ReloadBehavior *behavior);

public slots:
    void sessionLoadingProgress();


private:
    const QString m_mimeType;
    Core::ICore *m_core;

    QString m_fileName;
    QList<Project *> m_projects;
    Project *m_startupProject;
    QMap<QString, QStringList> m_depMap;

    QMap<QString, QVariant> m_values;

    QFutureInterface<void> future;
    friend class ProjectExplorer::SessionManager;
};

} // namespace Internal
} // namespace ProjectExplorer

using namespace ProjectExplorer;
using Internal::SessionFile;
using Internal::DependenciesDialog;


void SessionFile::sessionLoadingProgress()
{
    future.setProgressValue(future.progressValue() + 1);
    QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
}

SessionFile::SessionFile(Core::ICore *core) :
    m_mimeType(QLatin1String(ProjectExplorer::Constants::SESSIONFILE_MIMETYPE)),
    m_core(core),
    m_startupProject(0)
{
}

QString SessionFile::mimeType() const
{
    return m_mimeType;
}

bool SessionFile::load(const QString &fileName)
{
dt's avatar
dt committed
144
    Q_ASSERT(!fileName.isEmpty());
con's avatar
con committed
145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162

    if (debug)
        qDebug() << "SessionFile::load " << fileName;

    m_fileName = fileName;

    // NPE: Load the session in the background?
    // NPE: Let FileManager monitor filename
    QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));

    PersistentSettingsReader reader;
    if (!reader.load(m_fileName)) {
        qWarning() << "SessionManager::load failed!" << fileName;
        QApplication::restoreOverrideCursor();
        return false;
    }

    m_core->progressManager()->addTask(future.future(), tr("Session"),
hjk's avatar
hjk committed
163
       QLatin1String("ProjectExplorer.SessionFile.Load"),
164
       Core::ProgressManager::CloseOnSuccess);
con's avatar
con committed
165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248

    const QStringList &keys = reader.restoreValue(QLatin1String("valueKeys")).toStringList();
    foreach (const QString &key, keys) {
        QVariant value = reader.restoreValue("value-" + key);
        m_values.insert(key, value);
    }

    QStringList fileList =
        reader.restoreValue(QLatin1String("ProjectList")).toStringList();
    QString configDir = QFileInfo(m_core->settings()->fileName()).path();
    QMutableStringListIterator it(fileList);
    while (it.hasNext()) {
        const QString &file = it.next();
        if (QFileInfo(file).isRelative()) {
            // We used to write relative paths into the session file
            // relative to the session files, and those were stored in the
            // config dir
            it.setValue(configDir + "/" + file);
        }
    }

    int openEditorsCount = reader.restoreValue(QLatin1String("OpenEditors")).toInt();

    future.setProgressRange(0, fileList.count() + openEditorsCount + 2);
    future.setProgressValue(1);

    // indirectly adds projects to session
    if (!fileList.isEmpty())
        ProjectExplorerPlugin::instance()->openProjects(fileList);

    sessionLoadingProgress();

    // convert the relative paths in the dependency map to absolute paths
    QMap<QString, QVariant> depMap = reader.restoreValue(QLatin1String("ProjectDependencies")).toMap();
    QMap<QString, QVariant>::const_iterator i = depMap.constBegin();
    while (i != depMap.constEnd()) {
        const QString &key = i.key();
        QStringList values;
        foreach (const QString &value, i.value().toStringList()) {
            values << value;
        }
        m_depMap.insert(key, values);
        ++i;
    }

    // find and set the startup project
    const QString startupProject = reader.restoreValue(QLatin1String("StartupProject")).toString();
    if (!startupProject.isEmpty()) {
        const QString startupProjectPath = startupProject;
        foreach (Project *pro, m_projects) {
            if (QDir::cleanPath(pro->file()->fileName()) == startupProjectPath) {
                m_startupProject = pro;
                break;
            }
        }
        if (!m_startupProject)
            qWarning() << "Could not find startup project" << startupProjectPath;
    }


    const QVariant &editorsettings = reader.restoreValue(QLatin1String("EditorSettings"));
    if (editorsettings.isValid()) {
        connect(m_core->editorManager(), SIGNAL(editorOpened(Core::IEditor *)),
                this, SLOT(sessionLoadingProgress()));
        m_core->editorManager()->restoreState(
            QByteArray::fromBase64(editorsettings.toByteArray()));
        disconnect(m_core->editorManager(), SIGNAL(editorOpened(Core::IEditor *)),
                   this, SLOT(sessionLoadingProgress()));
    }

    if (debug)
        qDebug() << "SessionFile::load finished" << fileName;


    future.reportFinished();
    QApplication::restoreOverrideCursor();
    return true;
}

bool SessionFile::save(const QString &fileName)
{
    if (!fileName.isEmpty())
        m_fileName = fileName;

dt's avatar
dt committed
249
    Q_ASSERT(!m_fileName.isEmpty());
con's avatar
con committed
250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387

    if (debug)
        qDebug() << "SessionFile - saving " << m_fileName;

    PersistentSettingsWriter writer;

    // save the startup project
    if (m_startupProject) {
        writer.saveValue(QLatin1String("StartupProject"), m_startupProject->file()->fileName());
    }

    QStringList projectFiles;
    foreach (Project *pro, m_projects) {
        projectFiles << pro->file()->fileName();
    }

    writer.saveValue(QLatin1String("ProjectList"), projectFiles);

    QMap<QString, QVariant> depMap;
    QMap<QString, QStringList>::const_iterator i = m_depMap.constBegin();
    while (i != m_depMap.constEnd()) {
        QString key = i.key();
        QStringList values;
        foreach (const QString &value, i.value()) {
            values << value;
        }
        depMap.insert(key, values);
        ++i;
    }
    writer.saveValue(QLatin1String("ProjectDependencies"), QVariant(depMap));

    writer.saveValue(QLatin1String("OpenEditors"),
                     m_core->editorManager()->openedEditors().count());
    writer.saveValue(QLatin1String("EditorSettings"),
                     m_core->editorManager()->saveState().toBase64());

    QMap<QString, QVariant>::const_iterator it, end;
    end = m_values.constEnd();
    QStringList keys;
    for (it = m_values.constBegin(); it != end; ++it) {
        writer.saveValue("value-" + it.key(), it.value());
        keys << it.key();
    }

    writer.saveValue("valueKeys", keys);


    if (writer.save(m_fileName, "QtCreatorSession"))
        return true;

    return false;
}

QString SessionFile::fileName() const
{
    return m_fileName;
}

void SessionFile::setFileName(const QString &fileName)
{
    m_fileName = fileName;
}

bool SessionFile::isModified() const
{
    return true;
}

bool SessionFile::isReadOnly() const
{
    return false;
}

bool SessionFile::isSaveAsAllowed() const
{
    return true;
}

void SessionFile::modified(Core::IFile::ReloadBehavior *)
{
}

QString SessionFile::defaultPath() const
{
    if (!m_projects.isEmpty()) {
        const QFileInfo fi(m_projects.first()->file()->fileName());
        return fi.absolutePath();
    }
    return QString();
}

QString SessionFile::suggestedFileName() const
{
    if (m_startupProject)
        return m_startupProject->name();

    return tr("Untitled", "default file name to display");
}

Internal::SessionNodeImpl::SessionNodeImpl(SessionManager *manager)
        : ProjectExplorer::SessionNode(manager->file()->fileName(), manager)
{
    setFileName("session");
}

void Internal::SessionNodeImpl::addProjectNode(ProjectNode *projectNode)
{
    addProjectNodes(QList<ProjectNode*>() << projectNode);
}

void Internal::SessionNodeImpl::removeProjectNode(ProjectNode *projectNode)
{
    removeProjectNodes(QList<ProjectNode*>() << projectNode);
}

void Internal::SessionNodeImpl::setFileName(const QString &fileName)
{
    setPath(fileName);
    setFolderName(fileName);
}

/* --------------------------------- */

SessionManager::SessionManager(Core::ICore *core, QObject *parent)
    : QObject(parent),
    m_core(core),
    m_file(new SessionFile(core)),
    m_sessionNode(new Internal::SessionNodeImpl(this))
{
    // Create qtcreator dir if it doesn't yet exist
    QString configDir = QFileInfo(m_core->settings()->fileName()).path();

    QFileInfo fi(configDir + "/qtcreator/");
    if (!fi.exists()) {
        QDir dir;
        dir.mkpath(configDir + "/qtcreator");

        // Move sessions to that directory
hjk's avatar
hjk committed
388
        foreach (const QString &session, sessions()) {
con's avatar
con committed
389 390
            QFile file(configDir + "/" + session + ".qws");
            if (file.exists())
hjk's avatar
hjk committed
391
                if (file.copy(configDir + "/qtcreator/" + session + ".qws"))
con's avatar
con committed
392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413
                    file.remove();
        }
    }

    connect(m_core->modeManager(), SIGNAL(currentModeChanged(Core::IMode*)),
            this, SLOT(saveActiveMode(Core::IMode*)));
    connect(core->editorManager(), SIGNAL(editorCreated(Core::IEditor *, QString)),
            this, SLOT(setEditorCodec(Core::IEditor *, QString)));
    connect(ProjectExplorerPlugin::instance(), SIGNAL(currentProjectChanged(ProjectExplorer::Project *)),
            this, SLOT(updateWindowTitle()));

    }

SessionManager::~SessionManager()
{
    delete m_file;
    emit sessionUnloaded();
}


bool SessionManager::isDefaultVirgin() const
{
hjk's avatar
hjk committed
414
    return isDefaultSession(m_sessionName)
con's avatar
con committed
415
            && projects().isEmpty()
hjk's avatar
hjk committed
416
            && m_core->editorManager()->openedEditors().isEmpty();
con's avatar
con committed
417 418 419 420 421
}


bool SessionManager::isDefaultSession(const QString &session) const
{
hjk's avatar
hjk committed
422
    return session == QLatin1String("default");
con's avatar
con committed
423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495
}


void SessionManager::saveActiveMode(Core::IMode *mode)
{
    setValue(QLatin1String("ActiveMode"), mode->uniqueModeName());
}

void SessionManager::clearProjectFileCache()
{
    // If triggered by the fileListChanged signal of one project
    // only invalidate cache for this project
    Project *pro = qobject_cast<Project*>(sender());
    if (pro)
        m_projectFileCache.remove(pro);
    else
        m_projectFileCache.clear();
}

bool SessionManager::recursiveDependencyCheck(const QString &newDep, const QString &checkDep) const
{
    if (newDep == checkDep)
        return false;

    foreach (const QString &dependency, m_file->m_depMap.value(checkDep)) {
        if (!recursiveDependencyCheck(newDep, dependency))
            return false;
    }

    return true;
}

bool SessionManager::hasDependency(Project *project, Project *depProject) const
{
    const QString &proName = project->file()->fileName();
    const QString &depName = depProject->file()->fileName();

    const QStringList &proDeps = m_file->m_depMap.value(proName);
    return proDeps.contains(depName);
}

bool SessionManager::canAddDependency(Project *project, Project *depProject) const
{
    const QString &newDep = project->file()->fileName();
    const QString &checkDep = depProject->file()->fileName();

    return recursiveDependencyCheck(newDep, checkDep);
}

bool SessionManager::addDependency(Project *project, Project *depProject)
{
    const QString &proName = project->file()->fileName();
    const QString &depName = depProject->file()->fileName();

    // check if this dependency is valid
    if (!recursiveDependencyCheck(proName, depName))
        return false;

    QStringList proDeps = m_file->m_depMap.value(proName);
    if (!proDeps.contains(depName)) {
        proDeps.append(depName);
        m_file->m_depMap[proName] = proDeps;
    }

    return true;
}

void SessionManager::setStartupProject(Project *startupProject)
{
    if (debug)
        qDebug() << Q_FUNC_INFO << (startupProject ? startupProject->name() : "0");

    if (startupProject) {
dt's avatar
dt committed
496
        Q_ASSERT(m_file->m_projects.contains(startupProject));
con's avatar
con committed
497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568
    }

    m_file->m_startupProject = startupProject;
    emit startupProjectChanged(startupProject);
}

Project *SessionManager::startupProject() const
{
    return m_file->m_startupProject;
}

void SessionManager::removeDependency(Project *project,
    Project *depProject)
{
    const QString &proName = project->file()->fileName();
    const QString &depName = depProject->file()->fileName();

    QStringList proDeps = m_file->m_depMap.value(proName);
    proDeps.removeAll(depName);
    if (proDeps.isEmpty()) {
        m_file->m_depMap.remove(proName);
    } else {
        m_file->m_depMap[proName] = proDeps;
    }
}

void SessionManager::addProject(Project *project)
{
    addProjects(QList<Project*>() << project);
}

void SessionManager::addProjects(const QList<Project*> &projects)
{
    QList<Project*> clearedList;
    foreach (Project *pro, projects) {
        if (!m_file->m_projects.contains(pro)) {
            clearedList.append(pro);
            m_file->m_projects.append(pro);
            m_sessionNode->addProjectNode(pro->rootProjectNode());

            connect(pro, SIGNAL(fileListChanged()),
                    this, SLOT(clearProjectFileCache()));

            if (debug)
                qDebug() << "SessionManager - adding project " << pro->name();
        }
    }

    foreach (Project *pro, clearedList) {
        emit projectAdded(pro);
    }

    if (clearedList.count() == 1)
        emit singleProjectAdded(clearedList.first());

    // maybe we have a new startup project?
    if (!startupProject())
        if (Project *newStartupProject = defaultStartupProject())
            setStartupProject(newStartupProject);
}

void SessionManager::removeProject(Project *project)
{
    if (project == 0) {
        qDebug() << "SessionManager::removeProject(0) ... THIS SHOULD NOT HAPPEN";
        return;
    }
    removeProjects(QList<Project*>() << project);
}

bool SessionManager::createImpl(const QString &fileName)
{
dt's avatar
dt committed
569
    Q_ASSERT(!fileName.isEmpty());
con's avatar
con committed
570 571 572 573 574 575 576

    if (debug)
        qDebug() << "SessionManager - creating new session " << fileName << " ...";

    bool success = true;

    if (!m_file->fileName().isEmpty()) {
hjk's avatar
hjk committed
577
        if (!save() || !clear())
con's avatar
con committed
578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599
            success = false;
    }

    if (success) {
        delete m_file;
        emit sessionUnloaded();
        m_file = new SessionFile(m_core);
        m_file->setFileName(fileName);
        setStartupProject(defaultStartupProject());
    }

    if (debug)
        qDebug() << "SessionManager - creating new session returns " << success;

    if (success)
        emit sessionLoaded();

    return success;
}

bool SessionManager::loadImpl(const QString &fileName)
{
dt's avatar
dt committed
600
    Q_ASSERT(!fileName.isEmpty());
con's avatar
con committed
601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630

    if (debug)
        qDebug() << "SessionManager - loading session " << fileName << " ...";

    bool success = true;

    if (!m_file->fileName().isEmpty()) {

        if (isDefaultVirgin()) {
            // do not save initial and virgin default session
        } else if (!save() || !clear()) {
            success = false;
        }
    }

    if (success) {
        delete m_file;
        emit sessionUnloaded();
        m_file = new SessionFile(m_core);
        if (!m_file->load(fileName)) {
            QMessageBox::warning(0, tr("Error while loading session"), \
                                    tr("Could not load session %1").arg(fileName));
            success = false;
        }
        setStartupProject(m_file->m_startupProject);
    }

    if (success) {
        // restore the active mode
        const QString &modeIdentifier = value(QLatin1String("ActiveMode")).toString();
631
        if (!modeIdentifier.isEmpty()) {
con's avatar
con committed
632
            m_core->modeManager()->activateMode(modeIdentifier);
633 634
            m_core->modeManager()->setFocusToCurrentMode();
        }
con's avatar
con committed
635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710
    }

    if (debug)
        qDebug() << "SessionManager - loading session returned " << success;

    if (success)
        emit sessionLoaded();

    return success;
}

bool SessionManager::save()
{
    if (debug)
        qDebug() << "SessionManager - saving session" << m_sessionName;

    emit aboutToSaveSession();

    bool result = m_file->save();

    if (!result) {
        QMessageBox::warning(0, tr("Error while saving session"),
                                tr("Could not save session to file %1").arg(m_file->fileName()));
    }

    if (debug)
        qDebug() << "SessionManager - saving session returned " << result;

    return result;
}


/*!
  \fn bool SessionManager::clear()

  Returns whether the clear operation has been not cancelled & all projects could be closed.
  */
bool SessionManager::clear()
{
    if (debug)
        qDebug() << "SessionManager - clearing session ...";

    bool cancelled;
    QList<Project *> notClosed = requestCloseOfAllFiles(&cancelled);

    bool success = !cancelled;

    if (success) {
        if (debug)
            qDebug() << "SessionManager - Removing projects ...";

        QList<Project *> toClose;
        foreach (Project *pro, projects()) {
            if (!notClosed.contains(pro))
                toClose << pro;
        }

        setStartupProject(0);
        removeProjects(toClose);
    }

    if (!notClosed.isEmpty())
        success = false;

    if (debug)
        qDebug() << "SessionManager - clearing session result is " << success;

    return success;
}

void SessionManager::editDependencies()
{
    DependenciesDialog dlg(0, this);
    dlg.exec();
}

711
const QList<Project *> &SessionManager::projects() const
con's avatar
con committed
712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805
{
    return m_file->m_projects;
}

QStringList SessionManager::dependencies(const QString &proName) const
{
    QStringList result;
    foreach (const QString &dep, m_file->m_depMap.value(proName))
        result += dependencies(dep);

    result << proName;
    return result;
}

QStringList SessionManager::dependenciesOrder() const
{
    QList<QPair<QString, QStringList> > unordered;
    QStringList ordered;

    // copy the map to a temporary list
    foreach (Project *pro, projects()) {
        const QString &proName = pro->file()->fileName();
        unordered << QPair<QString, QStringList>
            (proName, m_file->m_depMap.value(proName));
    }

    while (!unordered.isEmpty()) {
        for (int i=(unordered.count()-1); i>=0; --i) {
            if (unordered.at(i).second.isEmpty()) {
                ordered << unordered.at(i).first;
                unordered.removeAt(i);
            }
        }

        // remove the handled projects from the dependency lists
        // of the remaining unordered projects
        for (int i = 0; i < unordered.count(); ++i) {
            foreach (const QString &pro, ordered) {
                QStringList depList = unordered.at(i).second;
                depList.removeAll(pro);
                unordered[i].second = depList;
            }
        }
    }

    return ordered;
}

Project *SessionManager::defaultStartupProject() const
{
    // Just take first one
    foreach (Project *p, m_file->m_projects) {
        if (p->isApplication())
            return p;
    }
    return 0;
}

QList<Project *> SessionManager::projectOrder(Project *project) const
{
    QList<Project *> result;

    QStringList pros;
    if (project) {
        pros = dependencies(project->file()->fileName());
    } else {
        pros = dependenciesOrder();
    }

    foreach (const QString &proFile, pros) {
        foreach (Project *pro, projects()) {
            if (pro->file()->fileName() == proFile) {
                result << pro;
                break;
            }
        }
    }

    return result;
}

Project *SessionManager::projectForNode(Node *node) const
{
    if (!node)
        return 0;

    Project *project = 0;

    FolderNode *rootProjectNode = qobject_cast<FolderNode*>(node);
    if (!rootProjectNode)
        rootProjectNode = node->parentFolderNode();
    while (rootProjectNode && rootProjectNode->parentFolderNode() != m_sessionNode)
        rootProjectNode = rootProjectNode->parentFolderNode();

dt's avatar
dt committed
806
    Q_ASSERT(rootProjectNode);
con's avatar
con committed
807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840

    QList<Project *> projectList = projects();
    foreach (Project *p, projectList) {
        if (p->rootProjectNode() == rootProjectNode) {
            project = p;
            break;
        }
    }

    return project;
}

Node *SessionManager::nodeForFile(const QString &fileName) const
{
    Node *node = 0;
    if (Project *project = projectForFile(fileName)) {
        FindNodesForFileVisitor findNodes(fileName);
        project->rootProjectNode()->accept(&findNodes);

        foreach (Node *n, findNodes.nodes()) {
            // prefer file nodes
            if (!node || (node->nodeType() != FileNodeType && n->nodeType() == FileNodeType))
                node = n;
        }
    }

    return node;
}

Project *SessionManager::projectForFile(const QString &fileName) const
{
    if (debug)
        qDebug() << "SessionManager::projectForFile(" << fileName << ")";

841
    const QList<Project *> &projectList = projects();
con's avatar
con committed
842

843 844 845 846
    // Check current project first
    Project *currentProject = ProjectExplorerPlugin::instance()->currentProject();
    if (currentProject && projectContainsFile(currentProject, fileName))
        return currentProject;
con's avatar
con committed
847

848 849 850
    foreach (Project *p, projectList)
        if (p != currentProject && projectContainsFile(p, fileName))
            return p;
con's avatar
con committed
851

852 853 854 855 856 857 858 859 860
    return 0;
}

bool SessionManager::projectContainsFile(Project *p, const QString &fileName) const
{
    if (!m_projectFileCache.contains(p))
        m_projectFileCache.insert(p, p->files(Project::AllFiles));

    return m_projectFileCache.value(p).contains(fileName);
con's avatar
con committed
861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940
}

void SessionManager::setEditorCodec(Core::IEditor *editor, const QString &fileName)
{
    if (TextEditor::ITextEditor *textEditor = qobject_cast<TextEditor::ITextEditor*>(editor))
        if (Project *project = projectForFile(fileName))
            textEditor->setTextCodec(project->editorConfiguration()->defaultTextCodec());
}


QList<Project *> SessionManager::requestCloseOfAllFiles(bool *cancelled)
{
    *cancelled = false;
    QList<Core::IFile*> filesToClose;
    foreach (Project *pro, projects())
        filesToClose << pro->file();
    foreach (Core::IEditor *editor, m_core->editorManager()->openedEditors())
        filesToClose << editor->file();
    QList<Core::IFile*> notClosed;
    if (!filesToClose.isEmpty())
        notClosed = m_core->fileManager()->saveModifiedFiles(filesToClose, cancelled);
    // close editors here by hand
    if (!*cancelled) {
        QList<Core::IEditor*> editorsToClose;
        foreach (Core::IEditor *editor, m_core->editorManager()->openedEditors())
            if (!notClosed.contains(editor->file()))
                editorsToClose << editor;
        m_core->editorManager()->closeEditors(editorsToClose, false);
        // project files are closed/removed later (in this::clear)
    }
    return Core::Utils::qwConvertList<Project*>(notClosed);
}

Core::IFile *SessionManager::file() const
{
    return m_file;
}

void SessionManager::updateWindowTitle()
{
    QString windowTitle = tr("Qt Creator");
    if (!isDefaultSession(m_sessionName)) {
        QString sessionName = m_sessionName;
        if (sessionName.isEmpty())
            sessionName = tr("Untitled");
        windowTitle.prepend(sessionName + " - ");
    } else {
        if (Project *currentProject = ProjectExplorerPlugin::instance()->currentProject())
            windowTitle.prepend(currentProject->name() + " - ");
    }
    m_core->mainWindow()->setWindowTitle(windowTitle);
}

void SessionManager::updateName(const QString &session)
{
    m_sessionName = session;
    QString sessionName = m_sessionName;

    if (sessionName.isEmpty())
        sessionName = tr("Untitled");

    m_displayName = tr("Session (\'%1\')").arg(sessionName);
    updateWindowTitle();
}


void SessionManager::removeProjects(QList<Project *> remove)
{
    QMap<QString, QStringList> resMap;

    foreach (Project *pro, remove) {
        if (debug)
            qDebug() << "SessionManager - emitting aboutToRemoveProject(" << pro->name() << ")";
        emit aboutToRemoveProject(pro);
    }

    // TODO: Clear m_modelProjectHash

    // Delete projects
    foreach (Project *pro, remove) {
dt's avatar
dt committed
941
        pro->saveSettings();
con's avatar
con committed
942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083
        m_file->m_projects.removeOne(pro);

        if (pro == m_file->m_startupProject)
            setStartupProject(0);

        disconnect(pro, SIGNAL(fileListChanged()),
                this, SLOT(clearProjectFileCache()));
        m_projectFileCache.remove(pro);

        if (debug)
            qDebug() << "SessionManager - emitting projectRemoved(" << pro->name() << ")";
        m_sessionNode->removeProjectNode(pro->rootProjectNode());
        emit projectRemoved(pro);
        delete pro;
    }

    // Refresh dependencies
    QSet<QString> projectFiles;
    foreach (Project *pro, projects()) {
        if (!remove.contains(pro))
            projectFiles.insert(pro->file()->fileName());
    }

    QSet<QString>::const_iterator i = projectFiles.begin();
    while (i != projectFiles.end()) {
        QStringList dependencies;
        foreach (const QString &dependency, m_file->m_depMap.value(*i)) {
            if (projectFiles.contains(dependency))
                dependencies << dependency;
        }
        if (!dependencies.isEmpty())
            resMap.insert(*i, dependencies);
        ++i;
    }

    m_file->m_depMap = resMap;

    if (startupProject() == 0)
        if (Project *newStartupProject = defaultStartupProject())
            setStartupProject(newStartupProject);
}

void SessionManager::setValue(const QString &name, const QVariant &value)
{
    m_file->m_values.insert(name, value);
}

QVariant SessionManager::value(const QString &name)
{
    QMap<QString, QVariant>::const_iterator it = m_file->m_values.find(name);
    if (it != m_file->m_values.constEnd())
        return *it;
    else
        return QVariant();
}

QString SessionManager::activeSession() const
{
    return m_sessionName;
}

QStringList SessionManager::sessions() const
{
    QStringList result = m_core->settings()->value("Sessions").toStringList();

    if (!result.contains("default"))
        result.prepend("default");

    return result;
}

QString SessionManager::sessionNameToFileName(const QString &session)
{
    QString sn = session;
    return QFileInfo(m_core->settings()->fileName()).path() + "/qtcreator/" + sn + ".qws";
}

void SessionManager::createAndLoadNewDefaultSession()
{
    updateName("default");
    createImpl(sessionNameToFileName(m_sessionName));
}

bool SessionManager::createSession(const QString &session)
{
    if (sessions().contains(session))
        return false;
    QStringList list = m_core->settings()->value("Sessions").toStringList();
    list.append(session);
    m_core->settings()->setValue("Sessions", list);
    return true;
}

bool SessionManager::deleteSession(const QString &session)
{
    QStringList list = m_core->settings()->value("Sessions").toStringList();
    if (!list.contains(session))
        return false;
    list.removeOne(session);
    m_core->settings()->setValue("Sessions", list);
    QFile fi(sessionNameToFileName(session));
    if (fi.exists())
        return fi.remove();
    return false;
}

bool SessionManager::cloneSession(const QString &original, const QString &clone)
{
    QStringList list = m_core->settings()->value("Sessions").toStringList();
    list.append(clone);

    if (!sessions().contains(original))
        return false;

    QFile fi(sessionNameToFileName(original));

    // If the file does not exist, we can still clone
    if (!fi.exists() || fi.copy(sessionNameToFileName(clone))) {
        m_core->settings()->setValue("Sessions", list);
        return true;
    }
    return false;
}

bool SessionManager::loadSession(const QString &session)
{
    // Do nothing if we have that session already loaded,
    // exception if the session is the default virgin session
    // we still want to be able to load the default session
    if (session == m_sessionName && !isDefaultVirgin())
        return true;

    if (!sessions().contains(session))
        return false;
    QString fileName = sessionNameToFileName(session);
    if (QFileInfo(fileName).exists()) {
        if (loadImpl(fileName)) {
            updateName(session);
            return true;
        }
    } else {
        // Create a new session with that name
hjk's avatar
hjk committed
1084
        if (!createImpl(sessionNameToFileName(session)))
con's avatar
con committed
1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110
            return false;
        updateName(session);
        return true;
    }
    return false;
}

QString SessionManager::lastSession() const
{
    QSettings *settings = m_core->settings();
    QString fileName = settings->value("ProjectExplorer/StartupSession").toString();
    return QFileInfo(fileName).baseName();
}

SessionNode *SessionManager::sessionNode() const
{
    return m_sessionNode;
}

void SessionManager::reportProjectLoadingProgress()
{
    m_file->sessionLoadingProgress();
}


#include "session.moc"