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