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 <kfileitemdelegate.h>
  31 #include <kfileplacesmodel.h>
  32 #include <kglobalsettings.h>
  33 #include <klocale.h>
  34 #include <kiconeffect.h>
  35 #include <kio/netaccess.h>
  36 #include <kio/renamedialog.h>
  37 #include <kio/previewjob.h>
  38 #include <kmimetyperesolver.h>
  39 #include <konqmimedata.h>
  40 #include <konq_operations.h>
  41 #include <kurl.h>
  42
  43 #include "dolphinmodel.h"
  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 "filterbar.h"
  54 #include "renamedialog.h"
  55 #include "kurlnavigator.h"
  56 #include "viewproperties.h"
  57 #include "dolphinsettings.h"
  58 #include "dolphin_generalsettings.h"
  59
  60 DolphinViewContainer::DolphinViewContainer(DolphinMainWindow* mainWindow,
  61                                            QWidget* parent,
  62                                            const KUrl& url) :
  63     QWidget(parent),
  64     m_showProgress(false),
  65     m_folderCount(0),
  66     m_fileCount(0),
  67     m_mainWindow(mainWindow),
  68     m_topLayout(0),
  69     m_urlNavigator(0),
  70     m_view(0),
  71     m_filterBar(0),
  72     m_statusBar(0),
  73     m_dirLister(0),
  74     m_proxyModel(0)
  75 {
  76     hide();
  77     setFocusPolicy(Qt::StrongFocus);
  78     m_topLayout = new QVBoxLayout(this);
  79     m_topLayout->setSpacing(0);
  80     m_topLayout->setMargin(0);
  81
  82     m_urlNavigator = new KUrlNavigator(DolphinSettings::instance().placesModel(), url, this);
  83     connect(m_urlNavigator, SIGNAL(urlsDropped(const KUrl::List&, const KUrl&)),
  84             m_mainWindow, SLOT(dropUrls(const KUrl::List&, const KUrl&)));
  85     connect(m_urlNavigator, SIGNAL(activated()),
  86             this, SLOT(activate()));
  87
  88     const GeneralSettings* settings = DolphinSettings::instance().generalSettings();
  89     m_urlNavigator->setUrlEditable(settings->editableUrl());
  90     m_urlNavigator->setHomeUrl(settings->homeUrl());
  91
  92     m_dirLister = new DolphinDirLister();
  93     m_dirLister->setAutoUpdate(true);
  94     m_dirLister->setMainWindow(this);
  95     m_dirLister->setDelayedMimeTypes(true);
  96
  97     m_dolphinModel = new DolphinModel();
  98     m_dolphinModel->setDirLister(m_dirLister);
  99     m_dolphinModel->setDropsAllowed(DolphinModel::DropOnDirectory);
 100
 101
 102     m_proxyModel = new DolphinSortFilterProxyModel(this);
 103     m_proxyModel->setSourceModel(m_dolphinModel);
 104
 105     connect(m_dirLister, SIGNAL(clear()),
 106             this, SLOT(updateStatusBar()));
 107     connect(m_dirLister, SIGNAL(percent(int)),
 108             this, SLOT(updateProgress(int)));
 109     connect(m_dirLister, SIGNAL(deleteItem(KFileItem*)),
 110             this, SLOT(updateStatusBar()));
 111     connect(m_dirLister, SIGNAL(completed()),
 112             this, SLOT(updateItemCount()));
 113     connect(m_dirLister, SIGNAL(infoMessage(const QString&)),
 114             this, SLOT(showInfoMessage(const QString&)));
 115     connect(m_dirLister, SIGNAL(errorMessage(const QString&)),
 116             this, SLOT(showErrorMessage(const QString&)));
 117
 118     m_view = new DolphinView(this,
 119                              url,
 120                              m_dirLister,
 121                              m_dolphinModel,
 122                              m_proxyModel);
 123     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 124             m_urlNavigator, SLOT(setUrl(const KUrl&)));
 125     connect(m_view, SIGNAL(requestContextMenu(KFileItem, const KUrl&)),
 126             this, SLOT(openContextMenu(KFileItem, const KUrl&)));
 127     connect(m_view, SIGNAL(urlsDropped(const KUrl::List&, const KUrl&)),
 128             m_mainWindow, SLOT(dropUrls(const KUrl::List&, const KUrl&)));
 129     connect(m_view, SIGNAL(contentsMoved(int, int)),
 130             this, SLOT(saveContentsPos(int, int)));
 131     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
 132             this, SLOT(showItemInfo(KFileItem)));
 133     connect(m_view, SIGNAL(errorMessage(const QString&)),
 134             this, SLOT(showErrorMessage(const QString&)));
 135     connect(m_view, SIGNAL(infoMessage(const QString&)),
 136             this, SLOT(showInfoMessage(const QString&)));
 137     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
 138             this, SLOT(slotItemTriggered(KFileItem)));
 139
 140     connect(m_urlNavigator, SIGNAL(urlChanged(const KUrl&)),
 141             m_view, SLOT(setUrl(const KUrl&)));
 142
 143     m_statusBar = new DolphinStatusBar(this, url);
 144     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 145             m_statusBar, SLOT(updateSpaceInfoContent(const KUrl&)));
 146
 147     m_filterBar = new FilterBar(this);
 148     m_filterBar->setVisible(settings->filterBar());
 149     connect(m_filterBar, SIGNAL(filterChanged(const QString&)),
 150             this, SLOT(changeNameFilter(const QString&)));
 151     connect(m_filterBar, SIGNAL(closeRequest()),
 152             this, SLOT(closeFilterBar()));
 153
 154     m_topLayout->addWidget(m_urlNavigator);
 155     m_topLayout->addWidget(m_view);
 156     m_topLayout->addWidget(m_filterBar);
 157     m_topLayout->addWidget(m_statusBar);
 158 }
 159
 160 DolphinViewContainer::~DolphinViewContainer()
 161 {
 162     delete m_dirLister;
 163     m_dirLister = 0;
 164 }
 165
 166 void DolphinViewContainer::setUrl(const KUrl& url)
 167 {
 168     m_urlNavigator->setUrl(url);
 169 }
 170
 171 const KUrl& DolphinViewContainer::url() const
 172 {
 173     return m_urlNavigator->url();
 174 }
 175
 176 void DolphinViewContainer::setActive(bool active)
 177 {
 178     m_urlNavigator->setActive(active);
 179     m_view->setActive(active);
 180 }
 181
 182 bool DolphinViewContainer::isActive() const
 183 {
 184     Q_ASSERT(m_view->isActive() == m_urlNavigator->isActive());
 185     return m_view->isActive();
 186 }
 187
 188 void DolphinViewContainer::renameSelectedItems()
 189 {
 190     DolphinViewContainer* view = m_mainWindow->activeViewContainer();
 191     const QList<KFileItem> items = m_view->selectedItems();
 192     if (items.count() > 1) {
 193         // More than one item has been selected for renaming. Open
 194         // a rename dialog and rename all items afterwards.
 195         RenameDialog dialog(items);
 196         if (dialog.exec() == QDialog::Rejected) {
 197             return;
 198         }
 199
 200         const QString& newName = dialog.newName();
 201         if (newName.isEmpty()) {
 202             view->statusBar()->setMessage(dialog.errorString(),
 203                                           DolphinStatusBar::Error);
 204         } else {
 205             // TODO: check how this can be integrated into KonqUndoManager/KonqOperations
 206             // as one operation instead of n rename operations like it is done now...
 207             Q_ASSERT(newName.contains('#'));
 208
 209             // iterate through all selected items and rename them...
 210             const int replaceIndex = newName.indexOf('#');
 211             Q_ASSERT(replaceIndex >= 0);
 212             int index = 1;
 213
 214             QList<KFileItem>::const_iterator it = items.begin();
 215             QList<KFileItem>::const_iterator end = items.end();
 216             while (it != end) {
 217                 const KUrl& oldUrl = (*it).url();
 218                 QString number;
 219                 number.setNum(index++);
 220
 221                 QString name(newName);
 222                 name.replace(replaceIndex, 1, number);
 223
 224                 if (oldUrl.fileName() != name) {
 225                     KUrl newUrl = oldUrl;
 226                     newUrl.setFileName(name);
 227                     m_mainWindow->rename(oldUrl, newUrl);
 228                 }
 229                 ++it;
 230             }
 231         }
 232     } else {
 233         // Only one item has been selected for renaming. Use the custom
 234         // renaming mechanism from the views.
 235         Q_ASSERT(items.count() == 1);
 236
 237         // TODO: Think about using KFileItemDelegate as soon as it supports editing.
 238         // Currently the RenameDialog is used, but I'm not sure whether inline renaming
 239         // is a benefit for the user at all -> let's wait for some input first...
 240         RenameDialog dialog(items);
 241         if (dialog.exec() == QDialog::Rejected) {
 242             return;
 243         }
 244
 245         const QString& newName = dialog.newName();
 246         if (newName.isEmpty()) {
 247             view->statusBar()->setMessage(dialog.errorString(),
 248                                           DolphinStatusBar::Error);
 249         } else {
 250             const KUrl& oldUrl = items.first().url();
 251             KUrl newUrl = oldUrl;
 252             newUrl.setFileName(newName);
 253             m_mainWindow->rename(oldUrl, newUrl);
 254         }
 255     }
 256 }
 257
 258 bool DolphinViewContainer::isFilterBarVisible() const
 259 {
 260     return m_filterBar->isVisible();
 261 }
 262
 263 bool DolphinViewContainer::isUrlEditable() const
 264 {
 265     return m_urlNavigator->isUrlEditable();
 266 }
 267
 268 KFileItem DolphinViewContainer::fileItem(const QModelIndex& index) const
 269 {
 270     const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
 271     return m_dolphinModel->itemForIndex(dolphinModelIndex);
 272 }
 273
 274 void DolphinViewContainer::updateProgress(int percent)
 275 {
 276     if (!m_showProgress) {
 277         // Only show the directory loading progress if the status bar does
 278         // not contain another progress information. This means that
 279         // the directory loading progress information has the lowest priority.
 280         const QString progressText(m_statusBar->progressText());
 281         const QString loadingText(i18nc("@info:progress", "Loading folder..."));
 282         m_showProgress = progressText.isEmpty() || (progressText == loadingText);
 283         if (m_showProgress) {
 284             m_statusBar->setProgressText(loadingText);
 285             m_statusBar->setProgress(0);
 286         }
 287     }
 288
 289     if (m_showProgress) {
 290         m_statusBar->setProgress(percent);
 291     }
 292 }
 293
 294 void DolphinViewContainer::updateItemCount()
 295 {
 296     if (m_showProgress) {
 297         m_statusBar->setProgressText(QString());
 298         m_statusBar->setProgress(100);
 299         m_showProgress = false;
 300     }
 301
 302     KFileItemList items(m_dirLister->items());
 303     KFileItemList::const_iterator it = items.begin();
 304     const KFileItemList::const_iterator end = items.end();
 305
 306     m_fileCount = 0;
 307     m_folderCount = 0;
 308
 309     while (it != end) {
 310         KFileItem* item = *it;
 311         if (item->isDir()) {
 312             ++m_folderCount;
 313         } else {
 314             ++m_fileCount;
 315         }
 316         ++it;
 317     }
 318
 319     updateStatusBar();
 320
 321     QTimer::singleShot(100, this, SLOT(restoreContentsPos()));
 322 }
 323
 324 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 325 {
 326     if (item.isNull()) {
 327         m_statusBar->clear();
 328     } else {
 329         m_statusBar->setMessage(item.getStatusBarInfo(), DolphinStatusBar::Default);
 330     }
 331 }
 332
 333 void DolphinViewContainer::showInfoMessage(const QString& msg)
 334 {
 335     m_statusBar->setMessage(msg, DolphinStatusBar::Information);
 336 }
 337
 338 void DolphinViewContainer::showErrorMessage(const QString& msg)
 339 {
 340     m_statusBar->setMessage(msg, DolphinStatusBar::Error);
 341 }
 342
 343 void DolphinViewContainer::closeFilterBar()
 344 {
 345     m_filterBar->hide();
 346     emit showFilterBarChanged(false);
 347 }
 348
 349 QString DolphinViewContainer::defaultStatusBarText() const
 350 {
 351     int m_fileCount = 0;
 352     int m_folderCount = 0;
 353
 354     for (int i = 0; i < m_proxyModel->rowCount(); i++)
 355     {
 356         if (m_dolphinModel->itemForIndex(m_proxyModel->mapToSource(m_proxyModel->index(i, m_proxyModel->sortColumn()))).isDir())
 357         {
 358             m_folderCount++;
 359         }
 360         else
 361         {
 362             m_fileCount++;
 363         }
 364     }
 365
 366     return KIO::itemsSummaryString(m_fileCount + m_folderCount,
 367                                    m_fileCount,
 368                                    m_folderCount,
 369                                    0, false);
 370 }
 371
 372 QString DolphinViewContainer::selectionStatusBarText() const
 373 {
 374     QString text;
 375     const QList<KFileItem> list = m_view->selectedItems();
 376     if (list.isEmpty()) {
 377         // when an item is triggered, it is temporary selected but selectedItems()
 378         // will return an empty list
 379         return QString();
 380     }
 381
 382     int fileCount = 0;
 383     int folderCount = 0;
 384     KIO::filesize_t byteSize = 0;
 385     QList<KFileItem>::const_iterator it = list.begin();
 386     const QList<KFileItem>::const_iterator end = list.end();
 387     while (it != end) {
 388         const KFileItem& item = *it;
 389         if (item.isDir()) {
 390             ++folderCount;
 391         } else {
 392             ++fileCount;
 393             byteSize += item.size();
 394         }
 395         ++it;
 396     }
 397
 398     if (folderCount > 0) {
 399         text = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 400         if (fileCount > 0) {
 401             text += ", ";
 402         }
 403     }
 404
 405     if (fileCount > 0) {
 406         const QString sizeText(KIO::convertSize(byteSize));
 407         text += i18ncp("@info:status", "1 File selected (%2)", "%1 Files selected (%2)", fileCount, sizeText);
 408     }
 409
 410     return text;
 411 }
 412
 413 void DolphinViewContainer::showFilterBar(bool show)
 414 {
 415     Q_ASSERT(m_filterBar != 0);
 416     m_filterBar->setVisible(show);
 417 }
 418
 419 void DolphinViewContainer::updateStatusBar()
 420 {
 421     // As the item count information is less important
 422     // in comparison with other messages, it should only
 423     // be shown if:
 424     // - the status bar is empty or
 425     // - shows already the item count information or
 426     // - shows only a not very important information
 427     // - if any progress is given don't show the item count info at all
 428     const QString msg(m_statusBar->message());
 429     const bool updateStatusBarMsg = (msg.isEmpty() ||
 430                                      (msg == m_statusBar->defaultText()) ||
 431                                      (m_statusBar->type() == DolphinStatusBar::Information)) &&
 432                                     (m_statusBar->progress() == 100);
 433
 434     const QString text(m_view->hasSelection() ? selectionStatusBarText() : defaultStatusBarText());
 435     m_statusBar->setDefaultText(text);
 436
 437     if (updateStatusBarMsg) {
 438         m_statusBar->setMessage(text, DolphinStatusBar::Default);
 439     }
 440 }
 441
 442 void DolphinViewContainer::changeNameFilter(const QString& nameFilter)
 443 {
 444     // The name filter of KDirLister does a 'hard' filtering, which
 445     // means that only the items are shown where the names match
 446     // exactly the filter. This is non-transparent for the user, which
 447     // just wants to have a 'soft' filtering: does the name contain
 448     // the filter string?
 449     QString adjustedFilter(nameFilter);
 450     adjustedFilter.insert(0, '*');
 451     adjustedFilter.append('*');
 452
 453     // Use the ProxyModel to filter:
 454     // This code is #ifdefed as setNameFilter behaves
 455     // slightly different than the QSortFilterProxyModel
 456     // as it will not remove directories. I will ask
 457     // our beloved usability experts for input
 458     // -- z.
 459 #if 0
 460     m_dirLister->setNameFilter(adjustedFilter);
 461     m_dirLister->emitChanges();
 462 #else
 463     m_proxyModel->setFilterRegExp(nameFilter);
 464 #endif
 465
 466     updateStatusBar();
 467 }
 468
 469 void DolphinViewContainer::openContextMenu(const KFileItem& item,
 470                                            const KUrl& url)
 471 {
 472     DolphinContextMenu contextMenu(m_mainWindow, item, url);
 473     contextMenu.open();
 474 }
 475
 476 void DolphinViewContainer::saveContentsPos(int x, int y)
 477 {
 478     m_urlNavigator->savePosition(x, y);
 479 }
 480
 481 void DolphinViewContainer::restoreContentsPos()
 482 {
 483     if (!url().isEmpty()) {
 484         const QPoint pos = m_urlNavigator->savedPosition();
 485         m_view->setContentsPosition(pos.x(), pos.y());
 486     }
 487 }
 488
 489 void DolphinViewContainer::activate()
 490 {
 491     setActive(true);
 492 }
 493
 494 void DolphinViewContainer::slotItemTriggered(const KFileItem& item)
 495 {
 496     // Prefer the local path over the URL.
 497     bool isLocal;
 498     KUrl url = item.mostLocalUrl(isLocal);
 499
 500     if (item.isDir()) {
 501         m_view->setUrl(url);
 502     } else if (item.isFile()) {
 503         // allow to browse through ZIP and tar files
 504         KMimeType::Ptr mime = item.mimeTypePtr();
 505         if (mime->is("application/zip")) {
 506             url.setProtocol("zip");
 507             m_view->setUrl(url);
 508         } else if (mime->is("application/x-tar") ||
 509                    mime->is("application/x-tarz") ||
 510                    mime->is("application/x-bzip-compressed-tar") ||
 511                    mime->is("application/x-compressed-tar") ||
 512                    mime->is("application/x-tzo")) {
 513             url.setProtocol("tar");
 514             m_view->setUrl(url);
 515         } else {
 516             item.run();
 517         }
 518     } else {
 519         item.run();
 520     }
 521 }
 522
 523 #include "dolphinviewcontainer.moc"