src/dolphinviewcontainer.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2007 by Peter Penz <peter.penz@gmx.at>                  *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #include "dolphinviewcontainer.h"
  21
  22 #include <QtGui/QApplication>
  23 #include <QtGui/QClipboard>
  24 #include <QtGui/QKeyEvent>
  25 #include <QtGui/QItemSelection>
  26 #include <QtGui/QBoxLayout>
  27 #include <QtCore/QTimer>
  28 #include <QtGui/QScrollBar>
  29
  30 #include <kdirmodel.h>
  31 #include <kfileitemdelegate.h>
  32 #include <kfileplacesmodel.h>
  33 #include <kglobalsettings.h>
  34 #include <klocale.h>
  35 #include <kiconeffect.h>
  36 #include <kio/netaccess.h>
  37 #include <kio/renamedialog.h>
  38 #include <kio/previewjob.h>
  39 #include <kmimetyperesolver.h>
  40 #include <konqmimedata.h>
  41 #include <konq_operations.h>
  42 #include <kurl.h>
  43
  44 #include "dolphincolumnview.h"
  45 #include "dolphincontroller.h"
  46 #include "dolphinstatusbar.h"
  47 #include "dolphinmainwindow.h"
  48 #include "dolphindirlister.h"
  49 #include "dolphinsortfilterproxymodel.h"
  50 #include "dolphindetailsview.h"
  51 #include "dolphiniconsview.h"
  52 #include "dolphincontextmenu.h"
  53 #include "dolphinitemcategorizer.h"
  54 #include "filterbar.h"
  55 #include "renamedialog.h"
  56 #include "kurlnavigator.h"
  57 #include "viewproperties.h"
  58 #include "dolphinsettings.h"
  59 #include "dolphin_generalsettings.h"
  60
  61 DolphinViewContainer::DolphinViewContainer(DolphinMainWindow* mainWindow,
  62                                            QWidget* parent,
  63                                            const KUrl& url) :
  64     QWidget(parent),
  65     m_showProgress(false),
  66     m_folderCount(0),
  67     m_fileCount(0),
  68     m_mainWindow(mainWindow),
  69     m_topLayout(0),
  70     m_urlNavigator(0),
  71     m_view(0),
  72     m_filterBar(0),
  73     m_statusBar(0),
  74     m_dirModel(0),
  75     m_dirLister(0),
  76     m_proxyModel(0)
  77 {
  78     hide();
  79     setFocusPolicy(Qt::StrongFocus);
  80     m_topLayout = new QVBoxLayout(this);
  81     m_topLayout->setSpacing(0);
  82     m_topLayout->setMargin(0);
  83
  84     QClipboard* clipboard = QApplication::clipboard();
  85     connect(clipboard, SIGNAL(dataChanged()),
  86             this, SLOT(updateCutItems()));
  87
  88     m_urlNavigator = new KUrlNavigator(DolphinSettings::instance().placesModel(), url, this);
  89     connect(m_urlNavigator, SIGNAL(urlsDropped(const KUrl::List&, const KUrl&)),
  90             m_mainWindow, SLOT(dropUrls(const KUrl::List&, const KUrl&)));
  91     connect(m_urlNavigator, SIGNAL(activated()),
  92             this, SLOT(activate()));
  93
  94     const GeneralSettings* settings = DolphinSettings::instance().generalSettings();
  95     m_urlNavigator->setUrlEditable(settings->editableUrl());
  96     m_urlNavigator->setHomeUrl(settings->homeUrl());
  97
  98     m_dirLister = new DolphinDirLister();
  99     m_dirLister->setAutoUpdate(true);
 100     m_dirLister->setMainWindow(this);
 101     m_dirLister->setDelayedMimeTypes(true);
 102
 103     m_dirModel = new KDirModel();
 104     m_dirModel->setDirLister(m_dirLister);
 105     m_dirModel->setDropsAllowed(KDirModel::DropOnDirectory);
 106
 107     m_proxyModel = new DolphinSortFilterProxyModel(this);
 108     m_proxyModel->setSourceModel(m_dirModel);
 109
 110     connect(m_dirLister, SIGNAL(clear()),
 111             this, SLOT(updateStatusBar()));
 112     connect(m_dirLister, SIGNAL(percent(int)),
 113             this, SLOT(updateProgress(int)));
 114     connect(m_dirLister, SIGNAL(deleteItem(KFileItem*)),
 115             this, SLOT(updateStatusBar()));
 116     connect(m_dirLister, SIGNAL(completed()),
 117             this, SLOT(updateItemCount()));
 118     connect(m_dirLister, SIGNAL(infoMessage(const QString&)),
 119             this, SLOT(showInfoMessage(const QString&)));
 120     connect(m_dirLister, SIGNAL(errorMessage(const QString&)),
 121             this, SLOT(showErrorMessage(const QString&)));
 122
 123     m_view = new DolphinView(this,
 124                              url,
 125                              m_dirLister,
 126                              m_dirModel,
 127                              m_proxyModel);
 128     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 129             m_urlNavigator, SLOT(setUrl(const KUrl&)));
 130     connect(m_view, SIGNAL(requestContextMenu(KFileItem, const KUrl&)),
 131             this, SLOT(openContextMenu(KFileItem, const KUrl&)));
 132     connect(m_view, SIGNAL(urlsDropped(const KUrl::List&, const KUrl&)),
 133             m_mainWindow, SLOT(dropUrls(const KUrl::List&, const KUrl&)));
 134     connect(m_view, SIGNAL(contentsMoved(int, int)),
 135             this, SLOT(saveContentsPos(int, int)));
 136     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
 137             this, SLOT(showItemInfo(KFileItem)));
 138     connect(m_view, SIGNAL(errorMessage(const QString&)),
 139             this, SLOT(showErrorMessage(const QString&)));
 140     connect(m_view, SIGNAL(infoMessage(const QString&)),
 141             this, SLOT(showInfoMessage(const QString&)));
 142     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
 143             this, SLOT(slotItemTriggered(KFileItem)));
 144
 145     connect(m_urlNavigator, SIGNAL(urlChanged(const KUrl&)),
 146             m_view, SLOT(setUrl(const KUrl&)));
 147
 148     m_statusBar = new DolphinStatusBar(this, url);
 149     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 150             m_statusBar, SLOT(updateSpaceInfoContent(const KUrl&)));
 151
 152     m_filterBar = new FilterBar(this);
 153     m_filterBar->setVisible(settings->filterBar());
 154     connect(m_filterBar, SIGNAL(filterChanged(const QString&)),
 155             this, SLOT(changeNameFilter(const QString&)));
 156     connect(m_filterBar, SIGNAL(closeRequest()),
 157             this, SLOT(closeFilterBar()));
 158
 159     m_topLayout->addWidget(m_urlNavigator);
 160     m_topLayout->addWidget(m_view);
 161     m_topLayout->addWidget(m_filterBar);
 162     m_topLayout->addWidget(m_statusBar);
 163 }
 164
 165 DolphinViewContainer::~DolphinViewContainer()
 166 {
 167     delete m_dirLister;
 168     m_dirLister = 0;
 169 }
 170
 171 void DolphinViewContainer::setUrl(const KUrl& url)
 172 {
 173     m_urlNavigator->setUrl(url);
 174 }
 175
 176 const KUrl& DolphinViewContainer::url() const
 177 {
 178     return m_urlNavigator->url();
 179 }
 180
 181 void DolphinViewContainer::setActive(bool active)
 182 {
 183     m_urlNavigator->setActive(active);
 184     m_view->setActive(active);
 185 }
 186
 187 bool DolphinViewContainer::isActive() const
 188 {
 189     Q_ASSERT(m_view->isActive() == m_urlNavigator->isActive());
 190     return m_view->isActive();
 191 }
 192
 193 void DolphinViewContainer::renameSelectedItems()
 194 {
 195     DolphinViewContainer* view = m_mainWindow->activeViewContainer();
 196     const QList<KFileItem> items = m_view->selectedItems();
 197     if (items.count() > 1) {
 198         // More than one item has been selected for renaming. Open
 199         // a rename dialog and rename all items afterwards.
 200         RenameDialog dialog(items);
 201         if (dialog.exec() == QDialog::Rejected) {
 202             return;
 203         }
 204
 205         const QString& newName = dialog.newName();
 206         if (newName.isEmpty()) {
 207             view->statusBar()->setMessage(dialog.errorString(),
 208                                           DolphinStatusBar::Error);
 209         } else {
 210             // TODO: check how this can be integrated into KonqUndoManager/KonqOperations
 211             // as one operation instead of n rename operations like it is done now...
 212             Q_ASSERT(newName.contains('#'));
 213
 214             // iterate through all selected items and rename them...
 215             const int replaceIndex = newName.indexOf('#');
 216             Q_ASSERT(replaceIndex >= 0);
 217             int index = 1;
 218
 219             QList<KFileItem>::const_iterator it = items.begin();
 220             QList<KFileItem>::const_iterator end = items.end();
 221             while (it != end) {
 222                 const KUrl& oldUrl = (*it).url();
 223                 QString number;
 224                 number.setNum(index++);
 225
 226                 QString name(newName);
 227                 name.replace(replaceIndex, 1, number);
 228
 229                 if (oldUrl.fileName() != name) {
 230                     KUrl newUrl = oldUrl;
 231                     newUrl.setFileName(name);
 232                     m_mainWindow->rename(oldUrl, newUrl);
 233                 }
 234                 ++it;
 235             }
 236         }
 237     } else {
 238         // Only one item has been selected for renaming. Use the custom
 239         // renaming mechanism from the views.
 240         Q_ASSERT(items.count() == 1);
 241
 242         // TODO: Think about using KFileItemDelegate as soon as it supports editing.
 243         // Currently the RenameDialog is used, but I'm not sure whether inline renaming
 244         // is a benefit for the user at all -> let's wait for some input first...
 245         RenameDialog dialog(items);
 246         if (dialog.exec() == QDialog::Rejected) {
 247             return;
 248         }
 249
 250         const QString& newName = dialog.newName();
 251         if (newName.isEmpty()) {
 252             view->statusBar()->setMessage(dialog.errorString(),
 253                                           DolphinStatusBar::Error);
 254         } else {
 255             const KUrl& oldUrl = items.first().url();
 256             KUrl newUrl = oldUrl;
 257             newUrl.setFileName(newName);
 258             m_mainWindow->rename(oldUrl, newUrl);
 259         }
 260     }
 261 }
 262
 263 bool DolphinViewContainer::isFilterBarVisible() const
 264 {
 265     return m_filterBar->isVisible();
 266 }
 267
 268 bool DolphinViewContainer::isUrlEditable() const
 269 {
 270     return m_urlNavigator->isUrlEditable();
 271 }
 272
 273 KFileItem DolphinViewContainer::fileItem(const QModelIndex& index) const
 274 {
 275     const QModelIndex dirModelIndex = m_proxyModel->mapToSource(index);
 276     return m_dirModel->itemForIndex(dirModelIndex);
 277 }
 278
 279 void DolphinViewContainer::updateProgress(int percent)
 280 {
 281     if (!m_showProgress) {
 282         // Only show the directory loading progress if the status bar does
 283         // not contain another progress information. This means that
 284         // the directory loading progress information has the lowest priority.
 285         const QString progressText(m_statusBar->progressText());
 286         const QString loadingText(i18nc("@info:progress", "Loading folder..."));
 287         m_showProgress = progressText.isEmpty() || (progressText == loadingText);
 288         if (m_showProgress) {
 289             m_statusBar->setProgressText(loadingText);
 290             m_statusBar->setProgress(0);
 291         }
 292     }
 293
 294     if (m_showProgress) {
 295         m_statusBar->setProgress(percent);
 296     }
 297 }
 298
 299 void DolphinViewContainer::updateItemCount()
 300 {
 301     if (m_showProgress) {
 302         m_statusBar->setProgressText(QString());
 303         m_statusBar->setProgress(100);
 304         m_showProgress = false;
 305     }
 306
 307     KFileItemList items(m_dirLister->items());
 308     KFileItemList::const_iterator it = items.begin();
 309     const KFileItemList::const_iterator end = items.end();
 310
 311     m_fileCount = 0;
 312     m_folderCount = 0;
 313
 314     while (it != end) {
 315         KFileItem* item = *it;
 316         if (item->isDir()) {
 317             ++m_folderCount;
 318         } else {
 319             ++m_fileCount;
 320         }
 321         ++it;
 322     }
 323
 324     updateStatusBar();
 325
 326     QTimer::singleShot(100, this, SLOT(restoreContentsPos()));
 327 }
 328
 329 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 330 {
 331     if (item.isNull()) {
 332         m_statusBar->clear();
 333     } else {
 334         m_statusBar->setMessage(item.getStatusBarInfo(), DolphinStatusBar::Default);
 335     }
 336 }
 337
 338 void DolphinViewContainer::showInfoMessage(const QString& msg)
 339 {
 340     m_statusBar->setMessage(msg, DolphinStatusBar::Information);
 341 }
 342
 343 void DolphinViewContainer::showErrorMessage(const QString& msg)
 344 {
 345     m_statusBar->setMessage(msg, DolphinStatusBar::Error);
 346 }
 347
 348 void DolphinViewContainer::closeFilterBar()
 349 {
 350     m_filterBar->hide();
 351     emit showFilterBarChanged(false);
 352 }
 353
 354 QString DolphinViewContainer::defaultStatusBarText() const
 355 {
 356     return KIO::itemsSummaryString(m_fileCount + m_folderCount,
 357                                    m_fileCount,
 358                                    m_folderCount,
 359                                    0, false);
 360 }
 361
 362 QString DolphinViewContainer::selectionStatusBarText() const
 363 {
 364     QString text;
 365     const QList<KFileItem> list = m_view->selectedItems();
 366     if (list.isEmpty()) {
 367         // when an item is triggered, it is temporary selected but selectedItems()
 368         // will return an empty list
 369         return QString();
 370     }
 371
 372     int fileCount = 0;
 373     int folderCount = 0;
 374     KIO::filesize_t byteSize = 0;
 375     QList<KFileItem>::const_iterator it = list.begin();
 376     const QList<KFileItem>::const_iterator end = list.end();
 377     while (it != end) {
 378         const KFileItem& item = *it;
 379         if (item.isDir()) {
 380             ++folderCount;
 381         } else {
 382             ++fileCount;
 383             byteSize += item.size();
 384         }
 385         ++it;
 386     }
 387
 388     if (folderCount > 0) {
 389         text = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 390         if (fileCount > 0) {
 391             text += ", ";
 392         }
 393     }
 394
 395     if (fileCount > 0) {
 396         const QString sizeText(KIO::convertSize(byteSize));
 397         text += i18ncp("@info:status", "1 File selected (%2)", "%1 Files selected (%2)", fileCount, sizeText);
 398     }
 399
 400     return text;
 401 }
 402
 403 void DolphinViewContainer::showFilterBar(bool show)
 404 {
 405     Q_ASSERT(m_filterBar != 0);
 406     m_filterBar->setVisible(show);
 407 }
 408
 409 void DolphinViewContainer::updateStatusBar()
 410 {
 411     // As the item count information is less important
 412     // in comparison with other messages, it should only
 413     // be shown if:
 414     // - the status bar is empty or
 415     // - shows already the item count information or
 416     // - shows only a not very important information
 417     // - if any progress is given don't show the item count info at all
 418     const QString msg(m_statusBar->message());
 419     const bool updateStatusBarMsg = (msg.isEmpty() ||
 420                                      (msg == m_statusBar->defaultText()) ||
 421                                      (m_statusBar->type() == DolphinStatusBar::Information)) &&
 422                                     (m_statusBar->progress() == 100);
 423
 424     const QString text(m_view->hasSelection() ? selectionStatusBarText() : defaultStatusBarText());
 425     m_statusBar->setDefaultText(text);
 426
 427     if (updateStatusBarMsg) {
 428         m_statusBar->setMessage(text, DolphinStatusBar::Default);
 429     }
 430 }
 431
 432 void DolphinViewContainer::changeNameFilter(const QString& nameFilter)
 433 {
 434     // The name filter of KDirLister does a 'hard' filtering, which
 435     // means that only the items are shown where the names match
 436     // exactly the filter. This is non-transparent for the user, which
 437     // just wants to have a 'soft' filtering: does the name contain
 438     // the filter string?
 439     QString adjustedFilter(nameFilter);
 440     adjustedFilter.insert(0, '*');
 441     adjustedFilter.append('*');
 442
 443     // Use the ProxyModel to filter:
 444     // This code is #ifdefed as setNameFilter behaves
 445     // slightly different than the QSortFilterProxyModel
 446     // as it will not remove directories. I will ask
 447     // our beloved usability experts for input
 448     // -- z.
 449 #if 0
 450     m_dirLister->setNameFilter(adjustedFilter);
 451     m_dirLister->emitChanges();
 452 #else
 453     m_proxyModel->setFilterRegExp(nameFilter);
 454 #endif
 455 }
 456
 457 void DolphinViewContainer::openContextMenu(const KFileItem& item,
 458                                            const KUrl& url)
 459 {
 460     DolphinContextMenu contextMenu(m_mainWindow, item, url);
 461     contextMenu.open();
 462 }
 463
 464 void DolphinViewContainer::saveContentsPos(int x, int y)
 465 {
 466     m_urlNavigator->savePosition(x, y);
 467 }
 468
 469 void DolphinViewContainer::restoreContentsPos()
 470 {
 471     if (!url().isEmpty()) {
 472         const QPoint pos = m_urlNavigator->savedPosition();
 473         m_view->setContentsPosition(pos.x(), pos.y());
 474     }
 475 }
 476
 477 void DolphinViewContainer::activate()
 478 {
 479     setActive(true);
 480 }
 481
 482 void DolphinViewContainer::slotItemTriggered(const KFileItem& item)
 483 {
 484     // Prefer the local path over the URL.
 485     bool isLocal;
 486     KUrl url = item.mostLocalUrl(isLocal);
 487
 488     if (item.isDir()) {
 489         m_view->setUrl(url);
 490     } else if (item.isFile()) {
 491         // allow to browse through ZIP and tar files
 492         KMimeType::Ptr mime = item.mimeTypePtr();
 493         if (mime->is("application/zip")) {
 494             url.setProtocol("zip");
 495             m_view->setUrl(url);
 496         } else if (mime->is("application/x-tar") ||
 497                    mime->is("application/x-tarz") ||
 498                    mime->is("application/x-bzip-compressed-tar") ||
 499                    mime->is("application/x-compressed-tar") ||
 500                    mime->is("application/x-tzo")) {
 501             url.setProtocol("tar");
 502             m_view->setUrl(url);
 503         } else {
 504             item.run();
 505         }
 506     } else {
 507         item.run();
 508     }
 509 }
 510
 511 #include "dolphinviewcontainer.moc"