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     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 136             m_urlNavigator, SLOT(setUrl(const KUrl&)));
 137     connect(m_view, SIGNAL(requestContextMenu(KFileItem*, const KUrl&)),
 138             this, SLOT(openContextMenu(KFileItem*, const KUrl&)));
 139     connect(m_view, SIGNAL(urlsDropped(const KUrl::List&, const KUrl&)),
 140             m_mainWindow, SLOT(dropUrls(const KUrl::List&, const KUrl&)));
 141     connect(m_view, SIGNAL(requestItemInfo(const KUrl&)),
 142             this, SLOT(showItemInfo(const KUrl&)));
 143     connect(m_view, SIGNAL(errorMessage(const QString&)),
 144             this, SLOT(showErrorMessage(const QString&)));
 145     connect(m_view, SIGNAL(infoMessage(const QString&)),
 146             this, SLOT(showInfoMessage(const QString&)));
 147
 148     connect(m_urlNavigator, SIGNAL(urlChanged(const KUrl&)),
 149             m_view, SLOT(setUrl(const KUrl&)));
 150
 151     m_statusBar = new DolphinStatusBar(this, url);
 152
 153     m_filterBar = new FilterBar(this);
 154     m_filterBar->setVisible(settings->filterBar());
 155     connect(m_filterBar, SIGNAL(filterChanged(const QString&)),
 156             this, SLOT(changeNameFilter(const QString&)));
 157     connect(m_filterBar, SIGNAL(closeRequest()),
 158             this, SLOT(closeFilterBar()));
 159
 160     m_topLayout->addWidget(m_urlNavigator);
 161     m_topLayout->addWidget(m_view);
 162     m_topLayout->addWidget(m_filterBar);
 163     m_topLayout->addWidget(m_statusBar);
 164 }
 165
 166 DolphinViewContainer::~DolphinViewContainer()
 167 {
 168     delete m_dirLister;
 169     m_dirLister = 0;
 170 }
 171
 172 void DolphinViewContainer::setUrl(const KUrl& url)
 173 {
 174     m_urlNavigator->setUrl(url);
 175 }
 176
 177 const KUrl& DolphinViewContainer::url() const
 178 {
 179     return m_urlNavigator->url();
 180 }
 181
 182 void DolphinViewContainer::setActive(bool active)
 183 {
 184     m_urlNavigator->setActive(active);
 185     m_view->setActive(active);
 186 }
 187
 188 bool DolphinViewContainer::isActive() const
 189 {
 190     Q_ASSERT(m_view->isActive() == m_urlNavigator->isActive());
 191     return m_view->isActive();
 192 }
 193
 194 void DolphinViewContainer::renameSelectedItems()
 195 {
 196     DolphinViewContainer* view = m_mainWindow->activeViewContainer();
 197     const KUrl::List urls = m_view->selectedUrls();
 198     if (urls.count() > 1) {
 199         // More than one item has been selected for renaming. Open
 200         // a rename dialog and rename all items afterwards.
 201         RenameDialog dialog(urls);
 202         if (dialog.exec() == QDialog::Rejected) {
 203             return;
 204         }
 205
 206         const QString& newName = dialog.newName();
 207         if (newName.isEmpty()) {
 208             view->statusBar()->setMessage(dialog.errorString(),
 209                                           DolphinStatusBar::Error);
 210         } else {
 211             // TODO: check how this can be integrated into KonqUndoManager/KonqOperations
 212             // as one operation instead of n rename operations like it is done now...
 213             Q_ASSERT(newName.contains('#'));
 214
 215             // iterate through all selected items and rename them...
 216             const int replaceIndex = newName.indexOf('#');
 217             Q_ASSERT(replaceIndex >= 0);
 218             int index = 1;
 219
 220             KUrl::List::const_iterator it = urls.begin();
 221             KUrl::List::const_iterator end = urls.end();
 222             while (it != end) {
 223                 const KUrl& oldUrl = *it;
 224                 QString number;
 225                 number.setNum(index++);
 226
 227                 QString name(newName);
 228                 name.replace(replaceIndex, 1, number);
 229
 230                 if (oldUrl.fileName() != name) {
 231                     KUrl newUrl = oldUrl;
 232                     newUrl.setFileName(name);
 233                     m_mainWindow->rename(oldUrl, newUrl);
 234                 }
 235                 ++it;
 236             }
 237         }
 238     } else {
 239         // Only one item has been selected for renaming. Use the custom
 240         // renaming mechanism from the views.
 241         Q_ASSERT(urls.count() == 1);
 242
 243         // TODO: Think about using KFileItemDelegate as soon as it supports editing.
 244         // Currently the RenameDialog is used, but I'm not sure whether inline renaming
 245         // is a benefit for the user at all -> let's wait for some input first...
 246         RenameDialog dialog(urls);
 247         if (dialog.exec() == QDialog::Rejected) {
 248             return;
 249         }
 250
 251         const QString& newName = dialog.newName();
 252         if (newName.isEmpty()) {
 253             view->statusBar()->setMessage(dialog.errorString(),
 254                                           DolphinStatusBar::Error);
 255         } else {
 256             const KUrl& oldUrl = urls.first();
 257             KUrl newUrl = oldUrl;
 258             newUrl.setFileName(newName);
 259             m_mainWindow->rename(oldUrl, newUrl);
 260         }
 261     }
 262 }
 263
 264 DolphinStatusBar* DolphinViewContainer::statusBar() const
 265 {
 266     return m_statusBar;
 267 }
 268
 269 bool DolphinViewContainer::isFilterBarVisible() const
 270 {
 271     return m_filterBar->isVisible();
 272 }
 273
 274 bool DolphinViewContainer::isUrlEditable() const
 275 {
 276     return m_urlNavigator->isUrlEditable();
 277 }
 278
 279 KFileItem* DolphinViewContainer::fileItem(const QModelIndex index) const
 280 {
 281     const QModelIndex dirModelIndex = m_proxyModel->mapToSource(index);
 282     return m_dirModel->itemForIndex(dirModelIndex);
 283 }
 284
 285 DolphinMainWindow* DolphinViewContainer::mainWindow() const
 286 {
 287     return m_mainWindow;
 288 }
 289
 290 void DolphinViewContainer::updateProgress(int percent)
 291 {
 292     if (!m_showProgress) {
 293         // Only show the directory loading progress if the status bar does
 294         // not contain another progress information. This means that
 295         // the directory loading progress information has the lowest priority.
 296         const QString progressText(m_statusBar->progressText());
 297         m_showProgress = progressText.isEmpty() ||
 298                         (progressText == i18n("Loading folder..."));
 299         if (m_showProgress) {
 300             m_statusBar->setProgressText(i18n("Loading folder..."));
 301             m_statusBar->setProgress(0);
 302         }
 303     }
 304
 305     if (m_showProgress) {
 306         m_statusBar->setProgress(percent);
 307     }
 308 }
 309
 310 void DolphinViewContainer::updateItemCount()
 311 {
 312     if (m_showProgress) {
 313         m_statusBar->setProgressText(QString());
 314         m_statusBar->setProgress(100);
 315         m_showProgress = false;
 316     }
 317
 318     KFileItemList items(m_dirLister->items());
 319     KFileItemList::const_iterator it = items.begin();
 320     const KFileItemList::const_iterator end = items.end();
 321
 322     m_fileCount = 0;
 323     m_folderCount = 0;
 324
 325     while (it != end) {
 326         KFileItem* item = *it;
 327         if (item->isDir()) {
 328             ++m_folderCount;
 329         } else {
 330             ++m_fileCount;
 331         }
 332         ++it;
 333     }
 334
 335     updateStatusBar();
 336
 337     QTimer::singleShot(0, this, SLOT(restoreContentsPos()));
 338 }
 339
 340 void DolphinViewContainer::showItemInfo(const KUrl& url)
 341 {
 342     if (url.isEmpty()) {
 343         m_statusBar->clear();
 344         return;
 345     }
 346
 347     const QModelIndex index = m_dirModel->indexForUrl(url);
 348     const KFileItem* item = m_dirModel->itemForIndex(index);
 349     if (item != 0) {
 350         m_statusBar->setMessage(item->getStatusBarInfo(), DolphinStatusBar::Default);
 351     }
 352 }
 353
 354 void DolphinViewContainer::showInfoMessage(const QString& msg)
 355 {
 356     m_statusBar->setMessage(msg, DolphinStatusBar::Information);
 357 }
 358
 359 void DolphinViewContainer::showErrorMessage(const QString& msg)
 360 {
 361     m_statusBar->setMessage(msg, DolphinStatusBar::Error);
 362 }
 363
 364 void DolphinViewContainer::closeFilterBar()
 365 {
 366     m_filterBar->hide();
 367     emit showFilterBarChanged(false);
 368 }
 369
 370 QString DolphinViewContainer::defaultStatusBarText() const
 371 {
 372     return KIO::itemsSummaryString(m_fileCount + m_folderCount,
 373                                    m_fileCount,
 374                                    m_folderCount,
 375                                    0, false);
 376 }
 377
 378 QString DolphinViewContainer::selectionStatusBarText() const
 379 {
 380     QString text;
 381     const KFileItemList list = m_view->selectedItems();
 382     if (list.isEmpty()) {
 383         // when an item is triggered, it is temporary selected but selectedItems()
 384         // will return an empty list
 385         return QString();
 386     }
 387
 388     int fileCount = 0;
 389     int folderCount = 0;
 390     KIO::filesize_t byteSize = 0;
 391     KFileItemList::const_iterator it = list.begin();
 392     const KFileItemList::const_iterator end = list.end();
 393     while (it != end) {
 394         KFileItem* item = *it;
 395         if (item->isDir()) {
 396             ++folderCount;
 397         } else {
 398             ++fileCount;
 399             byteSize += item->size();
 400         }
 401         ++it;
 402     }
 403
 404     if (folderCount > 0) {
 405         text = i18np("1 Folder selected", "%1 Folders selected", folderCount);
 406         if (fileCount > 0) {
 407             text += ", ";
 408         }
 409     }
 410
 411     if (fileCount > 0) {
 412         const QString sizeText(KIO::convertSize(byteSize));
 413         text += i18np("1 File selected (%2)", "%1 Files selected (%2)", fileCount, sizeText);
 414     }
 415
 416     return text;
 417 }
 418
 419 void DolphinViewContainer::showFilterBar(bool show)
 420 {
 421     Q_ASSERT(m_filterBar != 0);
 422     m_filterBar->setVisible(show);
 423 }
 424
 425 void DolphinViewContainer::updateStatusBar()
 426 {
 427     // As the item count information is less important
 428     // in comparison with other messages, it should only
 429     // be shown if:
 430     // - the status bar is empty or
 431     // - shows already the item count information or
 432     // - shows only a not very important information
 433     // - if any progress is given don't show the item count info at all
 434     const QString msg(m_statusBar->message());
 435     const bool updateStatusBarMsg = (msg.isEmpty() ||
 436                                      (msg == m_statusBar->defaultText()) ||
 437                                      (m_statusBar->type() == DolphinStatusBar::Information)) &&
 438                                     (m_statusBar->progress() == 100);
 439
 440     const QString text(m_view->hasSelection() ? selectionStatusBarText() : defaultStatusBarText());
 441     m_statusBar->setDefaultText(text);
 442
 443     if (updateStatusBarMsg) {
 444         m_statusBar->setMessage(text, DolphinStatusBar::Default);
 445     }
 446 }
 447
 448 void DolphinViewContainer::changeNameFilter(const QString& nameFilter)
 449 {
 450     // The name filter of KDirLister does a 'hard' filtering, which
 451     // means that only the items are shown where the names match
 452     // exactly the filter. This is non-transparent for the user, which
 453     // just wants to have a 'soft' filtering: does the name contain
 454     // the filter string?
 455     QString adjustedFilter(nameFilter);
 456     adjustedFilter.insert(0, '*');
 457     adjustedFilter.append('*');
 458
 459     // Use the ProxyModel to filter:
 460     // This code is #ifdefed as setNameFilter behaves
 461     // slightly different than the QSortFilterProxyModel
 462     // as it will not remove directories. I will ask
 463     // our beloved usability experts for input
 464     // -- z.
 465 #if 0
 466     m_dirLister->setNameFilter(adjustedFilter);
 467     m_dirLister->emitChanges();
 468 #else
 469     m_proxyModel->setFilterRegExp(nameFilter);
 470 #endif
 471 }
 472
 473 void DolphinViewContainer::openContextMenu(KFileItem* item,
 474                                            const KUrl& url)
 475 {
 476     DolphinContextMenu contextMenu(m_mainWindow, item, url);
 477     contextMenu.open();
 478 }
 479
 480 #include "dolphinviewcontainer.moc"