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     const QList<KFileItem> items = m_view->selectedItems();
 194     if (urls.count() > 1) {
 195         // More than one item has been selected for renaming. Open
 196         // a rename dialog and rename all items afterwards.
 197         RenameDialog dialog(urls, items);
 198         if (dialog.exec() == QDialog::Rejected) {
 199             return;
 200         }
 201
 202         const QString& newName = dialog.newName();
 203         if (newName.isEmpty()) {
 204             view->statusBar()->setMessage(dialog.errorString(),
 205                                           DolphinStatusBar::Error);
 206         } else {
 207             // TODO: check how this can be integrated into KonqUndoManager/KonqOperations
 208             // as one operation instead of n rename operations like it is done now...
 209             Q_ASSERT(newName.contains('#'));
 210
 211             // iterate through all selected items and rename them...
 212             const int replaceIndex = newName.indexOf('#');
 213             Q_ASSERT(replaceIndex >= 0);
 214             int index = 1;
 215
 216             KUrl::List::const_iterator it = urls.begin();
 217             KUrl::List::const_iterator end = urls.end();
 218             while (it != end) {
 219                 const KUrl& oldUrl = *it;
 220                 QString number;
 221                 number.setNum(index++);
 222
 223                 QString name(newName);
 224                 name.replace(replaceIndex, 1, number);
 225
 226                 if (oldUrl.fileName() != name) {
 227                     KUrl newUrl = oldUrl;
 228                     newUrl.setFileName(name);
 229                     m_mainWindow->rename(oldUrl, newUrl);
 230                 }
 231                 ++it;
 232             }
 233         }
 234     } else {
 235         // Only one item has been selected for renaming. Use the custom
 236         // renaming mechanism from the views.
 237         Q_ASSERT(urls.count() == 1);
 238
 239         // TODO: Think about using KFileItemDelegate as soon as it supports editing.
 240         // Currently the RenameDialog is used, but I'm not sure whether inline renaming
 241         // is a benefit for the user at all -> let's wait for some input first...
 242         RenameDialog dialog(urls, items);
 243         if (dialog.exec() == QDialog::Rejected) {
 244             return;
 245         }
 246
 247         const QString& newName = dialog.newName();
 248         if (newName.isEmpty()) {
 249             view->statusBar()->setMessage(dialog.errorString(),
 250                                           DolphinStatusBar::Error);
 251         } else {
 252             const KUrl& oldUrl = urls.first();
 253             KUrl newUrl = oldUrl;
 254             newUrl.setFileName(newName);
 255             m_mainWindow->rename(oldUrl, newUrl);
 256         }
 257     }
 258 }
 259
 260 bool DolphinViewContainer::isFilterBarVisible() const
 261 {
 262     return m_filterBar->isVisible();
 263 }
 264
 265 bool DolphinViewContainer::isUrlEditable() const
 266 {
 267     return m_urlNavigator->isUrlEditable();
 268 }
 269
 270 KFileItem DolphinViewContainer::fileItem(const QModelIndex& index) const
 271 {
 272     const QModelIndex dirModelIndex = m_proxyModel->mapToSource(index);
 273     return m_dirModel->itemForIndex(dirModelIndex);
 274 }
 275
 276 void DolphinViewContainer::updateProgress(int percent)
 277 {
 278     if (!m_showProgress) {
 279         // Only show the directory loading progress if the status bar does
 280         // not contain another progress information. This means that
 281         // the directory loading progress information has the lowest priority.
 282         const QString progressText(m_statusBar->progressText());
 283         const QString loadingText(i18nc("@info:progress", "Loading folder..."));
 284         m_showProgress = progressText.isEmpty() || (progressText == loadingText);
 285         if (m_showProgress) {
 286             m_statusBar->setProgressText(loadingText);
 287             m_statusBar->setProgress(0);
 288         }
 289     }
 290
 291     if (m_showProgress) {
 292         m_statusBar->setProgress(percent);
 293     }
 294 }
 295
 296 void DolphinViewContainer::updateItemCount()
 297 {
 298     if (m_showProgress) {
 299         m_statusBar->setProgressText(QString());
 300         m_statusBar->setProgress(100);
 301         m_showProgress = false;
 302     }
 303
 304     KFileItemList items(m_dirLister->items());
 305     KFileItemList::const_iterator it = items.begin();
 306     const KFileItemList::const_iterator end = items.end();
 307
 308     m_fileCount = 0;
 309     m_folderCount = 0;
 310
 311     while (it != end) {
 312         KFileItem* item = *it;
 313         if (item->isDir()) {
 314             ++m_folderCount;
 315         } else {
 316             ++m_fileCount;
 317         }
 318         ++it;
 319     }
 320
 321     updateStatusBar();
 322
 323     QTimer::singleShot(100, this, SLOT(restoreContentsPos()));
 324 }
 325
 326 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 327 {
 328     if (item.isNull()) {
 329         m_statusBar->clear();
 330     } else {
 331         m_statusBar->setMessage(item.getStatusBarInfo(), DolphinStatusBar::Default);
 332     }
 333 }
 334
 335 void DolphinViewContainer::showInfoMessage(const QString& msg)
 336 {
 337     m_statusBar->setMessage(msg, DolphinStatusBar::Information);
 338 }
 339
 340 void DolphinViewContainer::showErrorMessage(const QString& msg)
 341 {
 342     m_statusBar->setMessage(msg, DolphinStatusBar::Error);
 343 }
 344
 345 void DolphinViewContainer::closeFilterBar()
 346 {
 347     m_filterBar->hide();
 348     emit showFilterBarChanged(false);
 349 }
 350
 351 QString DolphinViewContainer::defaultStatusBarText() const
 352 {
 353     return KIO::itemsSummaryString(m_fileCount + m_folderCount,
 354                                    m_fileCount,
 355                                    m_folderCount,
 356                                    0, false);
 357 }
 358
 359 QString DolphinViewContainer::selectionStatusBarText() const
 360 {
 361     QString text;
 362     const QList<KFileItem> list = m_view->selectedItems();
 363     if (list.isEmpty()) {
 364         // when an item is triggered, it is temporary selected but selectedItems()
 365         // will return an empty list
 366         return QString();
 367     }
 368
 369     int fileCount = 0;
 370     int folderCount = 0;
 371     KIO::filesize_t byteSize = 0;
 372     QList<KFileItem>::const_iterator it = list.begin();
 373     const QList<KFileItem>::const_iterator end = list.end();
 374     while (it != end) {
 375         const KFileItem& item = *it;
 376         if (item.isDir()) {
 377             ++folderCount;
 378         } else {
 379             ++fileCount;
 380             byteSize += item.size();
 381         }
 382         ++it;
 383     }
 384
 385     if (folderCount > 0) {
 386         text = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 387         if (fileCount > 0) {
 388             text += ", ";
 389         }
 390     }
 391
 392     if (fileCount > 0) {
 393         const QString sizeText(KIO::convertSize(byteSize));
 394         text += i18ncp("@info:status", "1 File selected (%2)", "%1 Files selected (%2)", fileCount, sizeText);
 395     }
 396
 397     return text;
 398 }
 399
 400 void DolphinViewContainer::showFilterBar(bool show)
 401 {
 402     Q_ASSERT(m_filterBar != 0);
 403     m_filterBar->setVisible(show);
 404 }
 405
 406 void DolphinViewContainer::updateStatusBar()
 407 {
 408     // As the item count information is less important
 409     // in comparison with other messages, it should only
 410     // be shown if:
 411     // - the status bar is empty or
 412     // - shows already the item count information or
 413     // - shows only a not very important information
 414     // - if any progress is given don't show the item count info at all
 415     const QString msg(m_statusBar->message());
 416     const bool updateStatusBarMsg = (msg.isEmpty() ||
 417                                      (msg == m_statusBar->defaultText()) ||
 418                                      (m_statusBar->type() == DolphinStatusBar::Information)) &&
 419                                     (m_statusBar->progress() == 100);
 420
 421     const QString text(m_view->hasSelection() ? selectionStatusBarText() : defaultStatusBarText());
 422     m_statusBar->setDefaultText(text);
 423
 424     if (updateStatusBarMsg) {
 425         m_statusBar->setMessage(text, DolphinStatusBar::Default);
 426     }
 427 }
 428
 429 void DolphinViewContainer::changeNameFilter(const QString& nameFilter)
 430 {
 431     // The name filter of KDirLister does a 'hard' filtering, which
 432     // means that only the items are shown where the names match
 433     // exactly the filter. This is non-transparent for the user, which
 434     // just wants to have a 'soft' filtering: does the name contain
 435     // the filter string?
 436     QString adjustedFilter(nameFilter);
 437     adjustedFilter.insert(0, '*');
 438     adjustedFilter.append('*');
 439
 440     // Use the ProxyModel to filter:
 441     // This code is #ifdefed as setNameFilter behaves
 442     // slightly different than the QSortFilterProxyModel
 443     // as it will not remove directories. I will ask
 444     // our beloved usability experts for input
 445     // -- z.
 446 #if 0
 447     m_dirLister->setNameFilter(adjustedFilter);
 448     m_dirLister->emitChanges();
 449 #else
 450     m_proxyModel->setFilterRegExp(nameFilter);
 451 #endif
 452 }
 453
 454 void DolphinViewContainer::openContextMenu(const KFileItem& item,
 455                                            const KUrl& url)
 456 {
 457     DolphinContextMenu contextMenu(m_mainWindow, item, url);
 458     contextMenu.open();
 459 }
 460
 461 void DolphinViewContainer::saveContentsPos(int x, int y)
 462 {
 463     m_urlNavigator->savePosition(x, y);
 464 }
 465
 466 void DolphinViewContainer::restoreContentsPos()
 467 {
 468     if (!url().isEmpty()) {
 469         const QPoint pos = m_urlNavigator->savedPosition();
 470         m_view->setContentsPosition(pos.x(), pos.y());
 471     }
 472 }
 473
 474 void DolphinViewContainer::activate()
 475 {
 476     setActive(true);
 477 }
 478
 479 #include "dolphinviewcontainer.moc"