session.cpp 31.3 KB
Newer Older
1
/**************************************************************************
con's avatar
con committed
2 3 4
**
** This file is part of Qt Creator
**
con's avatar
con committed
5
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
con's avatar
con committed
6
**
hjk's avatar
hjk committed
7
** Contact: Nokia Corporation (info@qt.nokia.com)
con's avatar
con committed
8
**
9
**
10
** GNU Lesser General Public License Usage
11
**
hjk's avatar
hjk committed
12 13 14 15 16 17
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
18
**
con's avatar
con committed
19
** In addition, as a special exception, Nokia gives you certain additional
hjk's avatar
hjk committed
20
** rights. These rights are described in the Nokia Qt LGPL Exception
con's avatar
con committed
21 22
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
hjk's avatar
hjk committed
23 24 25 26 27
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
con's avatar
con committed
28
** If you have questions regarding the use of this file, please contact
Tobias Hunger's avatar
Tobias Hunger committed
29
** Nokia at info@qt.nokia.com.
con's avatar
con committed
30
**
31
**************************************************************************/
hjk's avatar
hjk committed
32 33

#include "session.h"
34
#include "sessionnodeimpl.h"
hjk's avatar
hjk committed
35

con's avatar
con committed
36 37 38 39 40 41 42 43 44 45 46
#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>
47
#include <coreplugin/coreconstants.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
#include <utils/listutils.h>
#include <utils/qtcassert.h>
Jarek Kobus's avatar
Jarek Kobus committed
55
#include <utils/persistentsettings.h>
hjk's avatar
hjk committed
56

con's avatar
con committed
57
#include <QtCore/QDebug>
hjk's avatar
hjk committed
58
#include <QtCore/QDir>
con's avatar
con committed
59 60
#include <QtCore/QFileInfo>
#include <QtCore/QFuture>
hjk's avatar
hjk committed
61
#include <QtCore/QSettings>
62
#include <QtCore/QTimer>
hjk's avatar
hjk committed
63

64
#include <QtGui/QApplication>
con's avatar
con committed
65
#include <QtGui/QMainWindow>
hjk's avatar
hjk committed
66
#include <QtGui/QMessageBox>
67
#include <QtGui/QPushButton>
68
#include <QtCore/QTextCodec>
con's avatar
con committed
69 70 71 72 73

namespace {
    bool debug = false;
}

74
using namespace Core;
Jarek Kobus's avatar
Jarek Kobus committed
75 76
using Utils::PersistentSettingsReader;
using Utils::PersistentSettingsWriter;
77

con's avatar
con committed
78 79 80 81
/* SessionFile definitions */
namespace ProjectExplorer {
namespace Internal {

dt's avatar
dt committed
82
class SessionFile : QObject
con's avatar
con committed
83 84 85 86
{
    Q_OBJECT

public:
hjk's avatar
hjk committed
87
    SessionFile();
con's avatar
con committed
88 89

    bool load(const QString &fileName);
dt's avatar
dt committed
90
    bool save();
con's avatar
con committed
91 92 93 94

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

95
    QStringList failedProjectFileNames() const;
96
    void clearFailedProjectFileNames();
97

con's avatar
con committed
98 99 100 101 102 103 104 105 106
public slots:
    void sessionLoadingProgress();

private:
    Core::ICore *m_core;

    QString m_fileName;
    QList<Project *> m_projects;
    Project *m_startupProject;
107
    QStringList m_failedProjects;
con's avatar
con committed
108 109 110 111 112 113 114 115 116 117 118 119
    QMap<QString, QStringList> m_depMap;

    QMap<QString, QVariant> m_values;

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

} // namespace Internal
} // namespace ProjectExplorer

using namespace ProjectExplorer;
120
using namespace ProjectExplorer::Internal;
con's avatar
con committed
121 122 123 124 125 126 127

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

hjk's avatar
hjk committed
128
SessionFile::SessionFile()
dt's avatar
dt committed
129
  : m_core(Core::ICore::instance()),
con's avatar
con committed
130 131 132 133 134 135
    m_startupProject(0)
{
}

bool SessionFile::load(const QString &fileName)
{
dt's avatar
dt committed
136
    Q_ASSERT(!fileName.isEmpty());
con's avatar
con committed
137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152

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

    m_fileName = fileName;

    // NPE: Load the session in the background?
    // NPE: Let FileManager monitor filename

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

    m_core->progressManager()->addTask(future.future(), tr("Session"),
153
       QLatin1String("ProjectExplorer.SessionFile.Load"));
con's avatar
con committed
154 155 156 157 158 159 160 161 162 163 164 165 166 167 168

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

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

    // indirectly adds projects to session
169 170 171
    // Keep projects that failed to load in the session!
    m_failedProjects = fileList;
    if (!fileList.isEmpty()) {
172 173 174 175
        QString errors;
        QList<Project *> projects = ProjectExplorerPlugin::instance()->openProjects(fileList, &errors);
        if (!errors.isEmpty())
            QMessageBox::critical(Core::ICore::instance()->mainWindow(), tr("Failed to open project"), errors);
176 177 178
        foreach (Project *p, projects)
            m_failedProjects.removeAll(p->file()->fileName());
    }
con's avatar
con committed
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

    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();
    return true;
}

dt's avatar
dt committed
227
bool SessionFile::save()
con's avatar
con committed
228
{
dt's avatar
dt committed
229
    Q_ASSERT(!m_fileName.isEmpty());
con's avatar
con committed
230 231 232 233 234 235 236 237 238 239 240 241 242 243 244

    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();
    }
245 246
    // Restore infromation on projects that failed to load:
    projectFiles.append(m_failedProjects);
con's avatar
con committed
247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262

    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));

263

264 265 266 267 268 269 270 271
    int editorCount = 0;
    QList<Core::IEditor *> editors = m_core->editorManager()->openedEditors();
    foreach (Core::IEditor *editor, editors) {
        Q_ASSERT(editor);
        if (!editor->isTemporary())
            ++editorCount;
    }
    writer.saveValue(QLatin1String("OpenEditors"), editorCount);
con's avatar
con committed
272 273 274 275 276 277 278 279 280 281 282 283 284 285
    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);


286
    if (writer.save(m_fileName, "QtCreatorSession", Core::ICore::instance()->mainWindow()))
con's avatar
con committed
287 288 289 290 291 292 293 294 295 296 297 298 299 300 301
        return true;

    return false;
}

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

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

302 303 304 305 306
QStringList SessionFile::failedProjectFileNames() const
{
    return m_failedProjects;
}

307 308 309 310 311
void SessionFile::clearFailedProjectFileNames()
{
    m_failedProjects.clear();
}

312 313 314 315 316 317 318 319 320 321
/*!
     \class ProjectExplorer::SessionManager

     \brief Session management.

     TODO the interface of this class is not really great.
     The implementation suffers that all the functions from the
     public interface just wrap around functions which do the actual work
     This could be improved.
*/
con's avatar
con committed
322

hjk's avatar
hjk committed
323 324 325 326
SessionManager::SessionManager(QObject *parent)
  : QObject(parent),
    m_core(Core::ICore::instance()),
    m_file(new SessionFile),
327
    m_sessionNode(new Internal::SessionNodeImpl(this)),
dt's avatar
dt committed
328
    m_virginSession(true)
con's avatar
con committed
329
{
330
    connect(ModeManager::instance(), SIGNAL(currentModeChanged(Core::IMode*)),
con's avatar
con committed
331
            this, SLOT(saveActiveMode(Core::IMode*)));
332 333 334 335

    Core::EditorManager *em = m_core->editorManager();

    connect(em, SIGNAL(editorCreated(Core::IEditor *, QString)),
336
            this, SLOT(configureEditor(Core::IEditor *, QString)));
con's avatar
con committed
337 338
    connect(ProjectExplorerPlugin::instance(), SIGNAL(currentProjectChanged(ProjectExplorer::Project *)),
            this, SLOT(updateWindowTitle()));
339 340 341 342 343 344 345 346 347 348 349
    connect(em, SIGNAL(editorOpened(Core::IEditor*)),
            this, SLOT(markSessionFileDirty()));
    connect(em, SIGNAL(editorsClosed(QList<Core::IEditor*>)),
            this, SLOT(markSessionFileDirty()));


    m_autoSaveSessionTimer = new QTimer(this);
    m_autoSaveSessionTimer->setSingleShot(true);
    m_autoSaveSessionTimer->setInterval(10000);
    connect(m_autoSaveSessionTimer, SIGNAL(timeout()),
            m_core, SIGNAL(saveSettingsRequested()));
hjk's avatar
hjk committed
350
}
con's avatar
con committed
351 352 353

SessionManager::~SessionManager()
{
354
    emit aboutToUnloadSession();
con's avatar
con committed
355 356 357 358 359 360
    delete m_file;
}


bool SessionManager::isDefaultVirgin() const
{
dt's avatar
dt committed
361 362
    return isDefaultSession(m_sessionName)
            && m_virginSession;
con's avatar
con committed
363 364 365 366
}

bool SessionManager::isDefaultSession(const QString &session) const
{
hjk's avatar
hjk committed
367
    return session == QLatin1String("default");
con's avatar
con committed
368 369 370 371 372
}


void SessionManager::saveActiveMode(Core::IMode *mode)
{
373
    setValue(QLatin1String("ActiveMode"), mode->id());
con's avatar
con committed
374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399
}

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;
}

400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421
/*
 * TODO: The dependency management exposes an interface based on projects, but
 * is internally purely string based. This is suboptimal. Probably it would be
 * nicer to map the filenames to projects on load and only map it back to
 * filenames when saving.
 */

QList<Project *> SessionManager::dependencies(const Project *project) const
{
    const QString &proName = project->file()->fileName();
    const QStringList &proDeps = m_file->m_depMap.value(proName);

    QList<Project *> projects;
    foreach (const QString &dep, proDeps) {
        if (Project *pro = projectForFile(dep))
            projects += pro;
    }

    return projects;
}

bool SessionManager::hasDependency(const Project *project, const Project *depProject) const
con's avatar
con committed
422 423 424 425 426 427 428 429
{
    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);
}

430
bool SessionManager::canAddDependency(const Project *project, const Project *depProject) const
con's avatar
con committed
431 432 433 434 435 436 437
{
    const QString &newDep = project->file()->fileName();
    const QString &checkDep = depProject->file()->fileName();

    return recursiveDependencyCheck(newDep, checkDep);
}

dt's avatar
dt committed
438
bool SessionManager::addDependency(Project *project, Project *depProject)
con's avatar
con committed
439 440 441 442 443 444 445 446 447 448 449 450 451
{
    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;
    }
dt's avatar
dt committed
452
    emit dependencyChanged(project, depProject);
con's avatar
con committed
453 454 455 456

    return true;
}

dt's avatar
dt committed
457
void SessionManager::removeDependency(Project *project, Project *depProject)
458 459 460 461 462 463 464 465 466 467 468
{
    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;
    }
dt's avatar
dt committed
469
    emit dependencyChanged(project, depProject);
470 471
}

con's avatar
con committed
472 473 474
void SessionManager::setStartupProject(Project *startupProject)
{
    if (debug)
475
        qDebug() << Q_FUNC_INFO << (startupProject ? startupProject->displayName() : "0");
con's avatar
con committed
476 477

    if (startupProject) {
dt's avatar
dt committed
478
        Q_ASSERT(m_file->m_projects.contains(startupProject));
con's avatar
con committed
479 480
    }

481 482 483
    if (m_file->m_startupProject == startupProject)
        return;

con's avatar
con committed
484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499
    m_file->m_startupProject = startupProject;
    emit startupProjectChanged(startupProject);
}

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

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

void SessionManager::addProjects(const QList<Project*> &projects)
{
dt's avatar
dt committed
500
    m_virginSession = false;
con's avatar
con committed
501 502 503 504 505 506 507 508 509 510 511
    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)
512
                qDebug() << "SessionManager - adding project " << pro->displayName();
con's avatar
con committed
513 514 515 516 517 518 519 520 521 522 523 524
        }
    }

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

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

    // maybe we have a new startup project?
    if (!startupProject())
525 526
        if (!m_file->m_projects.isEmpty())
            setStartupProject(m_file->m_projects.first());
con's avatar
con committed
527 528 529 530
}

void SessionManager::removeProject(Project *project)
{
dt's avatar
dt committed
531
    m_virginSession = false;
con's avatar
con committed
532 533 534 535 536 537 538 539 540
    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
541
    Q_ASSERT(!fileName.isEmpty());
con's avatar
con committed
542 543 544 545 546 547 548

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

    bool success = true;

    if (!m_file->fileName().isEmpty()) {
hjk's avatar
hjk committed
549
        if (!save() || !clear())
con's avatar
con committed
550 551 552 553
            success = false;
    }

    if (success) {
554
        emit aboutToUnloadSession();
con's avatar
con committed
555
        delete m_file;
hjk's avatar
hjk committed
556
        m_file = new SessionFile;
con's avatar
con committed
557
        m_file->setFileName(fileName);
558
        setStartupProject(0);
559

560
        if (!isDefaultVirgin()) {
561 562
            ModeManager::instance()->activateMode(Core::Constants::MODE_EDIT);
            ModeManager::instance()->setFocusToCurrentMode();
563
        }
con's avatar
con committed
564 565
    }

dt's avatar
dt committed
566
    m_virginSession = true;
567

con's avatar
con committed
568 569 570 571 572 573 574 575
    if (debug)
        qDebug() << "SessionManager - creating new session returns " << success;

    return success;
}

bool SessionManager::loadImpl(const QString &fileName)
{
dt's avatar
dt committed
576
    Q_ASSERT(!fileName.isEmpty());
con's avatar
con committed
577 578

    if (debug)
Oswald Buddenhagen's avatar
Oswald Buddenhagen committed
579
        qDebug() << "SessionManager - restoring session " << fileName << " ...";
con's avatar
con committed
580 581 582 583 584 585 586 587 588 589 590

    bool success = true;

    if (!m_file->fileName().isEmpty()) {
        if (isDefaultVirgin()) {
            // do not save initial and virgin default session
        } else if (!save() || !clear()) {
            success = false;
        }
    }

dt's avatar
dt committed
591
    m_virginSession = false;
592

con's avatar
con committed
593
    if (success) {
594
        emit aboutToUnloadSession();
con's avatar
con committed
595
        delete m_file;
hjk's avatar
hjk committed
596
        m_file = new SessionFile;
con's avatar
con committed
597
        if (!m_file->load(fileName)) {
Oswald Buddenhagen's avatar
Oswald Buddenhagen committed
598 599
            QMessageBox::warning(0, tr("Error while restoring session"),
                                    tr("Could not restore session %1").arg(fileName));
con's avatar
con committed
600 601
            success = false;
        }
602 603 604
        // m_file->load() sets the m_file->startupProject
        // but doesn't emit this signal, so we do it here
        emit startupProjectChanged(m_file->m_startupProject);
605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623

        QStringList failedProjects = m_file->failedProjectFileNames();
        if (!failedProjects.isEmpty()) {
            QString fileList =
                QDir::toNativeSeparators(failedProjects.join(QLatin1String("<br>")));
            QMessageBox * box = new QMessageBox(QMessageBox::Warning,
                                                tr("Failed to restore project files"),
                                                tr("Could not restore the following project files:<br><b>%1</b>").
                                                arg(fileList));
            QPushButton * keepButton = new QPushButton(tr("Keep projects in Session"), box);
            QPushButton * removeButton = new QPushButton(tr("Remove projects from Session"), box);
            box->addButton(keepButton, QMessageBox::AcceptRole);
            box->addButton(removeButton, QMessageBox::DestructiveRole);

            box->exec();

            if (box->clickedButton() == removeButton)
                m_file->clearFailedProjectFileNames();
        }
con's avatar
con committed
624 625 626 627
    }

    if (success) {
        // restore the active mode
628 629 630 631
        QString modeIdentifier = value(QLatin1String("ActiveMode")).toString();
        if (modeIdentifier.isEmpty())
            modeIdentifier = Core::Constants::MODE_EDIT;

632 633
        ModeManager::instance()->activateMode(modeIdentifier);
        ModeManager::instance()->setFocusToCurrentMode();
con's avatar
con committed
634 635 636
    }

    if (debug)
Oswald Buddenhagen's avatar
Oswald Buddenhagen committed
637
        qDebug() << "SessionManager - restoring session returned " << success;
con's avatar
con committed
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

    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 ...";

673
    bool success = m_core->editorManager()->closeAllEditors();
con's avatar
con committed
674 675 676 677 678 679

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

        setStartupProject(0);
680
        removeProjects(projects());
con's avatar
con committed
681 682 683 684 685 686 687 688
    }

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

    return success;
}

689
const QList<Project *> &SessionManager::projects() const
con's avatar
con committed
690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773
{
    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;
}

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
774
    Q_ASSERT(rootProjectNode);
con's avatar
con committed
775 776 777 778 779 780 781 782 783 784 785 786

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

    return project;
}

dt's avatar
dt committed
787
Node *SessionManager::nodeForFile(const QString &fileName, Project *project) const
con's avatar
con committed
788 789
{
    Node *node = 0;
dt's avatar
dt committed
790 791 792
    if (!project)
        project = projectForFile(fileName);
    if (project) {
con's avatar
con committed
793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810
        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 << ")";

811
    const QList<Project *> &projectList = projects();
con's avatar
con committed
812

813 814 815 816
    // Check current project first
    Project *currentProject = ProjectExplorerPlugin::instance()->currentProject();
    if (currentProject && projectContainsFile(currentProject, fileName))
        return currentProject;
con's avatar
con committed
817

818 819 820 821 822 823 824 825 826 827 828 829
    foreach (Project *p, projectList)
        if (p != currentProject && projectContainsFile(p, fileName))
            return p;
    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
830 831
}

832
void SessionManager::configureEditor(Core::IEditor *editor, const QString &fileName)
con's avatar
con committed
833
{
834 835 836
    if (TextEditor::ITextEditor *textEditor = qobject_cast<TextEditor::ITextEditor*>(editor)) {
        Project *project = projectForFile(fileName);
        // Global settings are the default.
837 838
        if (project)
            project->editorConfiguration()->configureEditor(textEditor);
839
    }
con's avatar
con committed
840 841
}

dt's avatar
dt committed
842
QString SessionManager::currentSession() const
con's avatar
con committed
843
{
844
    return QFileInfo(m_file->fileName()).completeBaseName();
con's avatar
con committed
845 846 847 848
}

void SessionManager::updateWindowTitle()
{
dt's avatar
dt committed
849 850
    if (isDefaultSession(m_sessionName)) {
        if (Project *currentProject = ProjectExplorerPlugin::instance()->currentProject())
851
            m_core->editorManager()->setWindowTitleAddition(currentProject->displayName());
852 853
        else
            m_core->editorManager()->setWindowTitleAddition("");
dt's avatar
dt committed
854
    } else {
con's avatar
con committed
855 856 857
        QString sessionName = m_sessionName;
        if (sessionName.isEmpty())
            sessionName = tr("Untitled");
858
        m_core->editorManager()->setWindowTitleAddition(sessionName);
859
    }
con's avatar
con committed
860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879
}

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

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

    updateWindowTitle();
}


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

    foreach (Project *pro, remove) {
        if (debug)
880
            qDebug() << "SessionManager - emitting aboutToRemoveProject(" << pro->displayName() << ")";
con's avatar
con committed
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
        emit aboutToRemoveProject(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;

906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926
    // TODO: Clear m_modelProjectHash

    // Delete projects
    foreach (Project *pro, remove) {
        pro->saveSettings();
        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->displayName() << ")";
        m_sessionNode->removeProjectNode(pro->rootProjectNode());
        emit projectRemoved(pro);
        delete pro;
    }

con's avatar
con committed
927
    if (startupProject() == 0)
928 929
        if (!m_file->m_projects.isEmpty())
            setStartupProject(m_file->m_projects.first());
con's avatar
con committed
930 931
}

932 933 934 935
/*!
    \brief Let other plugins store persistent values within the session file.
*/

con's avatar
con committed
936 937
void SessionManager::setValue(const QString &name, const QVariant &value)
{
938 939 940 941 942 943
    if (!m_file)
        return;

    if (m_file->m_values.value(name) == value)
        return;
    m_file->m_values.insert(name, value);
944
    markSessionFileDirty(false);
con's avatar
con committed
945 946 947 948
}

QVariant SessionManager::value(const QString &name)
{
949
    if (!m_file)
con's avatar
con committed
950
        return QVariant();
951 952
    QMap<QString, QVariant>::const_iterator it = m_file->m_values.find(name);
    return (it == m_file->m_values.constEnd()) ? QVariant() : *it;
con's avatar
con committed
953 954 955 956 957 958 959 960 961
}

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

QStringList SessionManager::sessions() const
{
962
    if (m_sessions.isEmpty()) {
Tobias Hunger's avatar
Tobias Hunger committed
963
        // We are not initialized yet, so do that now
964
        QDir sessionDir(Core::ICore::instance()->userResourcePath());
965 966 967
        QList<QFileInfo> sessionFiles = sessionDir.entryInfoList(QStringList() << QLatin1String("*.qws"), QDir::NoFilter, QDir::Time);
        Q_FOREACH(const QFileInfo& fileInfo, sessionFiles) {
            if (fileInfo.completeBaseName() != "default")
968 969 970 971 972
                m_sessions << fileInfo.completeBaseName();
        }
        m_sessions.prepend("default");
    }
    return m_sessions;
con's avatar
con committed
973 974
}

975
QString SessionManager::sessionNameToFileName(const QString &session) const
con's avatar
con committed
976
{
977
    return m_core->userResourcePath() + '/' + session + ".qws";
con's avatar
con committed
978 979
}

980 981 982 983
/*!
    \brief Creates a new default session and switches to it.
*/

con's avatar
con committed
984 985
void SessionManager::createAndLoadNewDefaultSession()
{
986
    emit aboutToLoadSession();
con's avatar
con committed
987 988
    updateName("default");
    createImpl(sessionNameToFileName(m_sessionName));
989
    emit sessionLoaded();
con's avatar
con committed
990 991
}

992 993 994 995
/*!
    \brief Just creates a new session (Does not actually create the file).
*/

con's avatar
con committed
996 997 998 999
bool SessionManager::createSession(const QString &session)
{
    if (sessions().contains(session))
        return false;
1000 1001
    Q_ASSERT(m_sessions.size() > 0);
    m_sessions.insert(1, session);
con's avatar
con committed
1002 1003 1004
    return true;
}

1005 1006 1007 1008 1009 1010 1011 1012 1013
bool SessionManager::renameSession(const QString &original, const QString &newName)
{
    if (!cloneSession(original, newName))
        return false;
    if (original == activeSession())
        loadSession(newName);
    return deleteSession(original);
}

1014 1015 1016 1017
/*!
     \brief Deletes session name from session list and file from disk.
*/

con's avatar
con committed
1018 1019
bool SessionManager::deleteSession(const QString &session)
{
1020
    if (!m_sessions.contains(session))
con's avatar
con committed
1021
        return false;
1022
    m_sessions.removeOne(session);
con's avatar
con committed
1023 1024 1025 1026 1027 1028 1029 1030
    QFile fi(sessionNameToFileName(session));
    if (fi.exists())
        return fi.remove();
    return false;
}

bool SessionManager::cloneSession(const QString &original, const QString &clone)
{
1031
    if (!m_sessions.contains(original))
con's avatar
con committed
1032 1033 1034 1035 1036
        return false;

    QFile fi(sessionNameToFileName(original));
    // If the file does not exist, we can still clone
    if (!fi.exists() || fi.copy(sessionNameToFileName(clone))) {
1037 1038
        Q_ASSERT(m_sessions.size() > 0);
        m_sessions.insert(1, clone);
con's avatar
con committed
1039 1040 1041 1042 1043
        return true;
    }
    return false;
}

1044 1045 1046 1047
/*!
     \brief Loads a session, takes a session name (not filename).
*/

con's avatar
con committed
1048 1049 1050 1051 1052 1053 1054 1055 1056 1057
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;
1058
    emit aboutToLoadSession();
con's avatar
con committed
1059 1060 1061 1062
    QString fileName = sessionNameToFileName(session);
    if (QFileInfo(fileName).exists()) {
        if (loadImpl(fileName)) {
            updateName(session);
1063
            emit sessionLoaded();
con's avatar
con committed
1064 1065 1066 1067
            return true;
        }
    } else {
        // Create a new session with that name
hjk's avatar
hjk committed
1068
        if (!createImpl(sessionNameToFileName(session)))
con's avatar
con committed
1069 1070
            return false;
        updateName(session);
1071
        emit sessionLoaded();
con's avatar
con committed
1072 1073 1074 1075 1076 1077 1078 1079 1080
        return true;
    }
    return false;
}

QString SessionManager::lastSession() const
{
    QSettings *settings = m_core->settings();
    QString fileName = settings->value("ProjectExplorer/StartupSession").toString();
1081
    return QFileInfo(fileName).completeBaseName();
con's avatar
con committed
1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093
}

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

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

1094
void SessionManager::markSessionFileDirty(bool makeDefaultVirginDirty)
1095
{
1096 1097
    if (m_file && !m_file->fileName().isEmpty())
        m_autoSaveSessionTimer->start();
1098
    if (makeDefaultVirginDirty)
dt's avatar
dt committed
1099
        m_virginSession = false;
1100
}
con's avatar
con committed
1101 1102

#include "session.moc"