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
 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 bool DolphinViewContainer::isFilterBarVisible() const
 260 {
 261     return m_filterBar->isVisible();
 262 }
 263
 264 bool DolphinViewContainer::isUrlEditable() const
 265 {
 266     return m_urlNavigator->isUrlEditable();
 267 }
 268
 269 KFileItem* DolphinViewContainer::fileItem(const QModelIndex index) const
 270 {
 271     const QModelIndex dirModelIndex = m_proxyModel->mapToSource(index);
 272     return m_dirModel->itemForIndex(dirModelIndex);
 273 }
 274
 275 void DolphinViewContainer::updateProgress(int percent)
 276 {
 277     if (!m_showProgress) {
 278         // Only show the directory loading progress if the status bar does
 279         // not contain another progress information. This means that
 280         // the directory loading progress information has the lowest priority.
 281         const QString progressText(m_statusBar->progressText());
 282         const QString loadingText(i18nc("@info:progress", "Loading folder..."));
 283         m_showProgress = progressText.isEmpty() || (progressText == loadingText);
 284         if (m_showProgress) {
 285             m_statusBar->setProgressText(loadingText);
 286             m_statusBar->setProgress(0);
 287         }
 288     }
 289
 290     if (m_showProgress) {
 291         m_statusBar->setProgress(percent);
 292     }
 293 }
 294
 295 void DolphinViewContainer::updateItemCount()
 296 {
 297     if (m_showProgress) {
 298         m_statusBar->setProgressText(QString());
 299         m_statusBar->setProgress(100);
 300         m_showProgress = false;
 301     }
 302
 303     KFileItemList items(m_dirLister->items());
 304     KFileItemList::const_iterator it = items.begin();
 305     const KFileItemList::const_iterator end = items.end();
 306
 307     m_fileCount = 0;
 308     m_folderCount = 0;
 309
 310     while (it != end) {
 311         KFileItem* item = *it;
 312         if (item->isDir()) {
 313             ++m_folderCount;
 314         } else {
 315             ++m_fileCount;
 316         }
 317         ++it;
 318     }
 319
 320     updateStatusBar();
 321
 322     QTimer::singleShot(100, this, SLOT(restoreContentsPos()));
 323 }
 324
 325 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 326 {
 327     if (item.isNull()) {
 328         m_statusBar->clear();
 329     } else {
 330         m_statusBar->setMessage(item.getStatusBarInfo(), DolphinStatusBar::Default);
 331     }
 332 }
 333
 334 void DolphinViewContainer::showInfoMessage(const QString& msg)
 335 {
 336     m_statusBar->setMessage(msg, DolphinStatusBar::Information);
 337 }
 338
 339 void DolphinViewContainer::showErrorMessage(const QString& msg)
 340 {
 341     m_statusBar->setMessage(msg, DolphinStatusBar::Error);
 342 }
 343
 344 void DolphinViewContainer::closeFilterBar()
 345 {
 346     m_filterBar->hide();
 347     emit showFilterBarChanged(false);
 348 }
 349
 350 QString DolphinViewContainer::defaultStatusBarText() const
 351 {
 352     return KIO::itemsSummaryString(m_fileCount + m_folderCount,
 353                                    m_fileCount,
 354                                    m_folderCount,
 355                                    0, false);
 356 }
 357
 358 QString DolphinViewContainer::selectionStatusBarText() const
 359 {
 360     QString text;
 361     const KFileItemList list = m_view->selectedItems();
 362     if (list.isEmpty()) {
 363         // when an item is triggered, it is temporary selected but selectedItems()
 364         // will return an empty list
 365         return QString();
 366     }
 367
 368     int fileCount = 0;
 369     int folderCount = 0;
 370     KIO::filesize_t byteSize = 0;
 371     KFileItemList::const_iterator it = list.begin();
 372     const KFileItemList::const_iterator end = list.end();
 373     while (it != end) {
 374         KFileItem* item = *it;
 375         if (item->isDir()) {
 376             ++folderCount;
 377         } else {
 378             ++fileCount;
 379             byteSize += item->size();
 380         }
 381         ++it;
 382     }
 383
 384     if (folderCount > 0) {
 385         text = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 386         if (fileCount > 0) {
 387             text += ", ";
 388         }
 389     }
 390
 391     if (fileCount > 0) {
 392         const QString sizeText(KIO::convertSize(byteSize));
 393         text += i18ncp("@info:status", "1 File selected (%2)", "%1 Files selected (%2)", fileCount, sizeText);
 394     }
 395
 396     return text;
 397 }
 398
 399 void DolphinViewContainer::showFilterBar(bool show)
 400 {
 401     Q_ASSERT(m_filterBar != 0);
 402     m_filterBar->setVisible(show);
 403 }
 404
 405 void DolphinViewContainer::updateStatusBar()
 406 {
 407     // As the item count information is less important
 408     // in comparison with other messages, it should only
 409     // be shown if:
 410     // - the status bar is empty or
 411     // - shows already the item count information or
 412     // - shows only a not very important information
 413     // - if any progress is given don't show the item count info at all
 414     const QString msg(m_statusBar->message());
 415     const bool updateStatusBarMsg = (msg.isEmpty() ||
 416                                      (msg == m_statusBar->defaultText()) ||
 417                                      (m_statusBar->type() == DolphinStatusBar::Information)) &&
 418                                     (m_statusBar->progress() == 100);
 419
 420     const QString text(m_view->hasSelection() ? selectionStatusBarText() : defaultStatusBarText());
 421     m_statusBar->setDefaultText(text);
 422
 423     if (updateStatusBarMsg) {
 424         m_statusBar->setMessage(text, DolphinStatusBar::Default);
 425     }
 426 }
 427
 428 void DolphinViewContainer::changeNameFilter(const QString& nameFilter)
 429 {
 430     // The name filter of KDirLister does a 'hard' filtering, which
 431     // means that only the items are shown where the names match
 432     // exactly the filter. This is non-transparent for the user, which
 433     // just wants to have a 'soft' filtering: does the name contain
 434     // the filter string?
 435     QString adjustedFilter(nameFilter);
 436     adjustedFilter.insert(0, '*');
 437     adjustedFilter.append('*');
 438
 439     // Use the ProxyModel to filter:
 440     // This code is #ifdefed as setNameFilter behaves
 441     // slightly different than the QSortFilterProxyModel
 442     // as it will not remove directories. I will ask
 443     // our beloved usability experts for input
 444     // -- z.
 445 #if 0
 446     m_dirLister->setNameFilter(adjustedFilter);
 447     m_dirLister->emitChanges();
 448 #else
 449     m_proxyModel->setFilterRegExp(nameFilter);
 450 #endif
 451 }
 452
 453 void DolphinViewContainer::openContextMenu(KFileItem* item,
 454                                            const KUrl& url)
 455 {
 456     DolphinContextMenu contextMenu(m_mainWindow, item, url);
 457     contextMenu.open();
 458 }
 459
 460 void DolphinViewContainer::saveContentsPos(int x, int y)
 461 {
 462     m_urlNavigator->savePosition(x, y);
 463 }
 464
 465 void DolphinViewContainer::restoreContentsPos()
 466 {
 467     if (!url().isEmpty()) {
 468         const QPoint pos = m_urlNavigator->savedPosition();
 469         m_view->setContentsPosition(pos.x(), pos.y());
 470     }
 471 }
 472
 473 void DolphinViewContainer::activate()
 474 {
 475     setActive(true);
 476 }
 477
 478 #include "dolphinviewcontainer.moc"