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                                            DolphinView::Mode mode,
  65                                            bool showHiddenFiles) :
  66     QWidget(parent),
  67     m_showProgress(false),
  68     m_folderCount(0),
  69     m_fileCount(0),
  70     m_mainWindow(mainWindow),
  71     m_topLayout(0),
  72     m_urlNavigator(0),
  73     m_view(0),
  74     m_filterBar(0),
  75     m_statusBar(0),
  76     m_dirModel(0),
  77     m_dirLister(0),
  78     m_proxyModel(0)
  79 {
  80     hide();
  81     setFocusPolicy(Qt::StrongFocus);
  82     m_topLayout = new QVBoxLayout(this);
  83     m_topLayout->setSpacing(0);
  84     m_topLayout->setMargin(0);
  85
  86     connect(m_mainWindow, SIGNAL(activeViewChanged()),
  87             this, SLOT(updateActivationState()));
  88
  89     QClipboard* clipboard = QApplication::clipboard();
  90     connect(clipboard, SIGNAL(dataChanged()),
  91             this, SLOT(updateCutItems()));
  92
  93     m_urlNavigator = new KUrlNavigator(DolphinSettings::instance().placesModel(), url, this);
  94
  95     const GeneralSettings* settings = DolphinSettings::instance().generalSettings();
  96     m_urlNavigator->setUrlEditable(settings->editableUrl());
  97     m_urlNavigator->setHomeUrl(settings->homeUrl());
  98
  99     m_dirLister = new DolphinDirLister();
 100     m_dirLister->setAutoUpdate(true);
 101     m_dirLister->setMainWindow(this);
 102     m_dirLister->setShowingDotFiles(showHiddenFiles);
 103     m_dirLister->setDelayedMimeTypes(true);
 104
 105     m_dirModel = new KDirModel();
 106     m_dirModel->setDirLister(m_dirLister);
 107     m_dirModel->setDropsAllowed(KDirModel::DropOnDirectory);
 108
 109     m_proxyModel = new DolphinSortFilterProxyModel(this);
 110     m_proxyModel->setSourceModel(m_dirModel);
 111
 112     connect(m_dirLister, SIGNAL(clear()),
 113             this, SLOT(updateStatusBar()));
 114     connect(m_dirLister, SIGNAL(percent(int)),
 115             this, SLOT(updateProgress(int)));
 116     connect(m_dirLister, SIGNAL(deleteItem(KFileItem*)),
 117             this, SLOT(updateStatusBar()));
 118     connect(m_dirLister, SIGNAL(completed()),
 119             this, SLOT(updateItemCount()));
 120     connect(m_dirLister, SIGNAL(completed()),
 121             this, SLOT(updateCutItems()));
 122     connect(m_dirLister, SIGNAL(newItems(const KFileItemList&)),
 123             this, SLOT(generatePreviews(const KFileItemList&)));
 124     connect(m_dirLister, SIGNAL(infoMessage(const QString&)),
 125             this, SLOT(showInfoMessage(const QString&)));
 126     connect(m_dirLister, SIGNAL(errorMessage(const QString&)),
 127             this, SLOT(showErrorMessage(const QString&)));
 128
 129     m_view = new DolphinView(this,
 130                              url,
 131                              m_dirLister,
 132                              m_dirModel,
 133                              m_proxyModel,
 134                              mode,
 135                              showHiddenFiles);
 136     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 137             m_urlNavigator, SLOT(setUrl(const KUrl&)));
 138     connect(m_view, SIGNAL(requestContextMenu(KFileItem*, const KUrl&)),
 139             this, SLOT(openContextMenu(KFileItem*, const KUrl&)));
 140     connect(m_view, SIGNAL(urlsDropped(const KUrl::List&, const KUrl&)),
 141             m_mainWindow, SLOT(dropUrls(const KUrl::List&, const KUrl&)));
 142     connect(m_view, SIGNAL(requestItemInfo(const KUrl&)),
 143             this, SLOT(showItemInfo(const KUrl&)));
 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
 150     m_filterBar = new FilterBar(this);
 151     m_filterBar->setVisible(settings->filterBar());
 152     connect(m_filterBar, SIGNAL(filterChanged(const QString&)),
 153             this, SLOT(changeNameFilter(const QString&)));
 154     connect(m_filterBar, SIGNAL(closeRequest()),
 155             this, SLOT(closeFilterBar()));
 156
 157     m_topLayout->addWidget(m_urlNavigator);
 158     m_topLayout->addWidget(m_view);
 159     m_topLayout->addWidget(m_filterBar);
 160     m_topLayout->addWidget(m_statusBar);
 161 }
 162
 163 DolphinViewContainer::~DolphinViewContainer()
 164 {
 165     delete m_dirLister;
 166     m_dirLister = 0;
 167 }
 168
 169 void DolphinViewContainer::setUrl(const KUrl& url)
 170 {
 171     m_urlNavigator->setUrl(url);
 172 }
 173
 174 const KUrl& DolphinViewContainer::url() const
 175 {
 176     return m_urlNavigator->url();
 177 }
 178
 179 void DolphinViewContainer::setActive(bool active)
 180 {
 181     m_urlNavigator->setActive(active);
 182     m_view->setActive(active);
 183 }
 184
 185 bool DolphinViewContainer::isActive() const
 186 {
 187     Q_ASSERT(m_view->isActive() == m_urlNavigator->isActive());
 188     return m_view->isActive();
 189 }
 190
 191 void DolphinViewContainer::renameSelectedItems()
 192 {
 193     DolphinViewContainer* view = m_mainWindow->activeViewContainer();
 194     const KUrl::List urls = m_view->selectedUrls();
 195     if (urls.count() > 1) {
 196         // More than one item has been selected for renaming. Open
 197         // a rename dialog and rename all items afterwards.
 198         RenameDialog dialog(urls);
 199         if (dialog.exec() == QDialog::Rejected) {
 200             return;
 201         }
 202
 203         const QString& newName = dialog.newName();
 204         if (newName.isEmpty()) {
 205             view->statusBar()->setMessage(dialog.errorString(),
 206                                           DolphinStatusBar::Error);
 207         } else {
 208             // TODO: check how this can be integrated into KonqUndoManager/KonqOperations
 209             // as one operation instead of n rename operations like it is done now...
 210             Q_ASSERT(newName.contains('#'));
 211
 212             // iterate through all selected items and rename them...
 213             const int replaceIndex = newName.indexOf('#');
 214             Q_ASSERT(replaceIndex >= 0);
 215             int index = 1;
 216
 217             KUrl::List::const_iterator it = urls.begin();
 218             KUrl::List::const_iterator end = urls.end();
 219             while (it != end) {
 220                 const KUrl& oldUrl = *it;
 221                 QString number;
 222                 number.setNum(index++);
 223
 224                 QString name(newName);
 225                 name.replace(replaceIndex, 1, number);
 226
 227                 if (oldUrl.fileName() != name) {
 228                     KUrl newUrl = oldUrl;
 229                     newUrl.setFileName(name);
 230                     m_mainWindow->rename(oldUrl, newUrl);
 231                 }
 232                 ++it;
 233             }
 234         }
 235     } else {
 236         // Only one item has been selected for renaming. Use the custom
 237         // renaming mechanism from the views.
 238         Q_ASSERT(urls.count() == 1);
 239
 240         // TODO: Think about using KFileItemDelegate as soon as it supports editing.
 241         // Currently the RenameDialog is used, but I'm not sure whether inline renaming
 242         // is a benefit for the user at all -> let's wait for some input first...
 243         RenameDialog dialog(urls);
 244         if (dialog.exec() == QDialog::Rejected) {
 245             return;
 246         }
 247
 248         const QString& newName = dialog.newName();
 249         if (newName.isEmpty()) {
 250             view->statusBar()->setMessage(dialog.errorString(),
 251                                           DolphinStatusBar::Error);
 252         } else {
 253             const KUrl& oldUrl = urls.first();
 254             KUrl newUrl = oldUrl;
 255             newUrl.setFileName(newName);
 256             m_mainWindow->rename(oldUrl, newUrl);
 257         }
 258     }
 259 }
 260
 261 DolphinStatusBar* DolphinViewContainer::statusBar() const
 262 {
 263     return m_statusBar;
 264 }
 265
 266 bool DolphinViewContainer::isFilterBarVisible() const
 267 {
 268     return m_filterBar->isVisible();
 269 }
 270
 271 bool DolphinViewContainer::isUrlEditable() const
 272 {
 273     return m_urlNavigator->isUrlEditable();
 274 }
 275
 276 KFileItem* DolphinViewContainer::fileItem(const QModelIndex index) const
 277 {
 278     const QModelIndex dirModelIndex = m_proxyModel->mapToSource(index);
 279     return m_dirModel->itemForIndex(dirModelIndex);
 280 }
 281
 282 DolphinMainWindow* DolphinViewContainer::mainWindow() const
 283 {
 284     return m_mainWindow;
 285 }
 286
 287 void DolphinViewContainer::updateProgress(int percent)
 288 {
 289     if (!m_showProgress) {
 290         // Only show the directory loading progress if the status bar does
 291         // not contain another progress information. This means that
 292         // the directory loading progress information has the lowest priority.
 293         const QString progressText(m_statusBar->progressText());
 294         m_showProgress = progressText.isEmpty() ||
 295                         (progressText == i18n("Loading folder..."));
 296         if (m_showProgress) {
 297             m_statusBar->setProgressText(i18n("Loading folder..."));
 298             m_statusBar->setProgress(0);
 299         }
 300     }
 301
 302     if (m_showProgress) {
 303         m_statusBar->setProgress(percent);
 304     }
 305 }
 306
 307 void DolphinViewContainer::updateItemCount()
 308 {
 309     if (m_showProgress) {
 310         m_statusBar->setProgressText(QString());
 311         m_statusBar->setProgress(100);
 312         m_showProgress = false;
 313     }
 314
 315     KFileItemList items(m_dirLister->items());
 316     KFileItemList::const_iterator it = items.begin();
 317     const KFileItemList::const_iterator end = items.end();
 318
 319     m_fileCount = 0;
 320     m_folderCount = 0;
 321
 322     while (it != end) {
 323         KFileItem* item = *it;
 324         if (item->isDir()) {
 325             ++m_folderCount;
 326         } else {
 327             ++m_fileCount;
 328         }
 329         ++it;
 330     }
 331
 332     updateStatusBar();
 333
 334     QTimer::singleShot(0, this, SLOT(restoreContentsPos()));
 335 }
 336
 337 void DolphinViewContainer::showItemInfo(const KUrl& url)
 338 {
 339     if (url.isEmpty()) {
 340         m_statusBar->clear();
 341         return;
 342     }
 343
 344     const QModelIndex index = m_dirModel->indexForUrl(url);
 345     const KFileItem* item = m_dirModel->itemForIndex(index);
 346     if (item != 0) {
 347         m_statusBar->setMessage(item->getStatusBarInfo(), DolphinStatusBar::Default);
 348     }
 349 }
 350
 351 void DolphinViewContainer::showInfoMessage(const QString& msg)
 352 {
 353     m_statusBar->setMessage(msg, DolphinStatusBar::Information);
 354 }
 355
 356 void DolphinViewContainer::showErrorMessage(const QString& msg)
 357 {
 358     m_statusBar->setMessage(msg, DolphinStatusBar::Error);
 359 }
 360
 361 void DolphinViewContainer::closeFilterBar()
 362 {
 363     m_filterBar->hide();
 364     emit showFilterBarChanged(false);
 365 }
 366
 367 QString DolphinViewContainer::defaultStatusBarText() const
 368 {
 369     return KIO::itemsSummaryString(m_fileCount + m_folderCount,
 370                                    m_fileCount,
 371                                    m_folderCount,
 372                                    0, false);
 373 }
 374
 375 QString DolphinViewContainer::selectionStatusBarText() const
 376 {
 377     QString text;
 378     const KFileItemList list = m_view->selectedItems();
 379     if (list.isEmpty()) {
 380         // when an item is triggered, it is temporary selected but selectedItems()
 381         // will return an empty list
 382         return QString();
 383     }
 384
 385     int fileCount = 0;
 386     int folderCount = 0;
 387     KIO::filesize_t byteSize = 0;
 388     KFileItemList::const_iterator it = list.begin();
 389     const KFileItemList::const_iterator end = list.end();
 390     while (it != end) {
 391         KFileItem* item = *it;
 392         if (item->isDir()) {
 393             ++folderCount;
 394         } else {
 395             ++fileCount;
 396             byteSize += item->size();
 397         }
 398         ++it;
 399     }
 400
 401     if (folderCount > 0) {
 402         text = i18np("1 Folder selected", "%1 Folders selected", folderCount);
 403         if (fileCount > 0) {
 404             text += ", ";
 405         }
 406     }
 407
 408     if (fileCount > 0) {
 409         const QString sizeText(KIO::convertSize(byteSize));
 410         text += i18np("1 File selected (%2)", "%1 Files selected (%2)", fileCount, sizeText);
 411     }
 412
 413     return text;
 414 }
 415
 416 void DolphinViewContainer::showFilterBar(bool show)
 417 {
 418     Q_ASSERT(m_filterBar != 0);
 419     m_filterBar->setVisible(show);
 420 }
 421
 422 void DolphinViewContainer::updateStatusBar()
 423 {
 424     // As the item count information is less important
 425     // in comparison with other messages, it should only
 426     // be shown if:
 427     // - the status bar is empty or
 428     // - shows already the item count information or
 429     // - shows only a not very important information
 430     // - if any progress is given don't show the item count info at all
 431     const QString msg(m_statusBar->message());
 432     const bool updateStatusBarMsg = (msg.isEmpty() ||
 433                                      (msg == m_statusBar->defaultText()) ||
 434                                      (m_statusBar->type() == DolphinStatusBar::Information)) &&
 435                                     (m_statusBar->progress() == 100);
 436
 437     const QString text(m_view->hasSelection() ? selectionStatusBarText() : defaultStatusBarText());
 438     m_statusBar->setDefaultText(text);
 439
 440     if (updateStatusBarMsg) {
 441         m_statusBar->setMessage(text, DolphinStatusBar::Default);
 442     }
 443 }
 444
 445 void DolphinViewContainer::changeNameFilter(const QString& nameFilter)
 446 {
 447     // The name filter of KDirLister does a 'hard' filtering, which
 448     // means that only the items are shown where the names match
 449     // exactly the filter. This is non-transparent for the user, which
 450     // just wants to have a 'soft' filtering: does the name contain
 451     // the filter string?
 452     QString adjustedFilter(nameFilter);
 453     adjustedFilter.insert(0, '*');
 454     adjustedFilter.append('*');
 455
 456     // Use the ProxyModel to filter:
 457     // This code is #ifdefed as setNameFilter behaves
 458     // slightly different than the QSortFilterProxyModel
 459     // as it will not remove directories. I will ask
 460     // our beloved usability experts for input
 461     // -- z.
 462 #if 0
 463     m_dirLister->setNameFilter(adjustedFilter);
 464     m_dirLister->emitChanges();
 465 #else
 466     m_proxyModel->setFilterRegExp(nameFilter);
 467 #endif
 468 }
 469
 470 void DolphinViewContainer::openContextMenu(KFileItem* item,
 471                                            const KUrl& url)
 472 {
 473     DolphinContextMenu contextMenu(m_mainWindow, item, url);
 474     contextMenu.open();
 475 }
 476
 477 #include "dolphinviewcontainer.moc"