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     QClipboard* clipboard = QApplication::clipboard();
  87     connect(clipboard, SIGNAL(dataChanged()),
  88             this, SLOT(updateCutItems()));
  89
  90     m_urlNavigator = new KUrlNavigator(DolphinSettings::instance().placesModel(), url, this);
  91     connect(m_urlNavigator, SIGNAL(urlsDropped(const KUrl::List&, const KUrl&)),
  92             m_mainWindow, SLOT(dropUrls(const KUrl::List&, const KUrl&)));
  93     connect(m_urlNavigator, SIGNAL(activated()),
  94             this, SLOT(activate()));
  95
  96     const GeneralSettings* settings = DolphinSettings::instance().generalSettings();
  97     m_urlNavigator->setUrlEditable(settings->editableUrl());
  98     m_urlNavigator->setHomeUrl(settings->homeUrl());
  99
 100     m_dirLister = new DolphinDirLister();
 101     m_dirLister->setAutoUpdate(true);
 102     m_dirLister->setMainWindow(this);
 103     m_dirLister->setShowingDotFiles(showHiddenFiles);
 104     m_dirLister->setDelayedMimeTypes(true);
 105
 106     m_dirModel = new KDirModel();
 107     m_dirModel->setDirLister(m_dirLister);
 108     m_dirModel->setDropsAllowed(KDirModel::DropOnDirectory);
 109
 110     m_proxyModel = new DolphinSortFilterProxyModel(this);
 111     m_proxyModel->setSourceModel(m_dirModel);
 112
 113     connect(m_dirLister, SIGNAL(clear()),
 114             this, SLOT(updateStatusBar()));
 115     connect(m_dirLister, SIGNAL(percent(int)),
 116             this, SLOT(updateProgress(int)));
 117     connect(m_dirLister, SIGNAL(deleteItem(KFileItem*)),
 118             this, SLOT(updateStatusBar()));
 119     connect(m_dirLister, SIGNAL(completed()),
 120             this, SLOT(updateItemCount()));
 121     connect(m_dirLister, SIGNAL(infoMessage(const QString&)),
 122             this, SLOT(showInfoMessage(const QString&)));
 123     connect(m_dirLister, SIGNAL(errorMessage(const QString&)),
 124             this, SLOT(showErrorMessage(const QString&)));
 125
 126     m_view = new DolphinView(this,
 127                              url,
 128                              m_dirLister,
 129                              m_dirModel,
 130                              m_proxyModel,
 131                              mode);
 132     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 133             m_urlNavigator, SLOT(setUrl(const KUrl&)));
 134     connect(m_view, SIGNAL(requestContextMenu(KFileItem*, const KUrl&)),
 135             this, SLOT(openContextMenu(KFileItem*, const KUrl&)));
 136     connect(m_view, SIGNAL(urlsDropped(const KUrl::List&, const KUrl&)),
 137             m_mainWindow, SLOT(dropUrls(const KUrl::List&, const KUrl&)));
 138     connect(m_view, SIGNAL(contentsMoved(int, int)),
 139             this, SLOT(saveContentsPos(int, int)));
 140     connect(m_view, SIGNAL(requestItemInfo(const KUrl&)),
 141             this, SLOT(showItemInfo(const KUrl&)));
 142     connect(m_view, SIGNAL(errorMessage(const QString&)),
 143             this, SLOT(showErrorMessage(const QString&)));
 144     connect(m_view, SIGNAL(infoMessage(const QString&)),
 145             this, SLOT(showInfoMessage(const QString&)));
 146
 147     connect(m_urlNavigator, SIGNAL(urlChanged(const KUrl&)),
 148             m_view, SLOT(setUrl(const KUrl&)));
 149
 150     m_statusBar = new DolphinStatusBar(this, url);
 151
 152     m_filterBar = new FilterBar(this);
 153     m_filterBar->setVisible(settings->filterBar());
 154     connect(m_filterBar, SIGNAL(filterChanged(const QString&)),
 155             this, SLOT(changeNameFilter(const QString&)));
 156     connect(m_filterBar, SIGNAL(closeRequest()),
 157             this, SLOT(closeFilterBar()));
 158
 159     m_topLayout->addWidget(m_urlNavigator);
 160     m_topLayout->addWidget(m_view);
 161     m_topLayout->addWidget(m_filterBar);
 162     m_topLayout->addWidget(m_statusBar);
 163 }
 164
 165 DolphinViewContainer::~DolphinViewContainer()
 166 {
 167     delete m_dirLister;
 168     m_dirLister = 0;
 169 }
 170
 171 void DolphinViewContainer::setUrl(const KUrl& url)
 172 {
 173     m_urlNavigator->setUrl(url);
 174 }
 175
 176 const KUrl& DolphinViewContainer::url() const
 177 {
 178     return m_urlNavigator->url();
 179 }
 180
 181 void DolphinViewContainer::setActive(bool active)
 182 {
 183     m_urlNavigator->setActive(active);
 184     m_view->setActive(active);
 185 }
 186
 187 bool DolphinViewContainer::isActive() const
 188 {
 189     Q_ASSERT(m_view->isActive() == m_urlNavigator->isActive());
 190     return m_view->isActive();
 191 }
 192
 193 void DolphinViewContainer::renameSelectedItems()
 194 {
 195     DolphinViewContainer* view = m_mainWindow->activeViewContainer();
 196     const KUrl::List urls = m_view->selectedUrls();
 197     if (urls.count() > 1) {
 198         // More than one item has been selected for renaming. Open
 199         // a rename dialog and rename all items afterwards.
 200         RenameDialog dialog(urls);
 201         if (dialog.exec() == QDialog::Rejected) {
 202             return;
 203         }
 204
 205         const QString& newName = dialog.newName();
 206         if (newName.isEmpty()) {
 207             view->statusBar()->setMessage(dialog.errorString(),
 208                                           DolphinStatusBar::Error);
 209         } else {
 210             // TODO: check how this can be integrated into KonqUndoManager/KonqOperations
 211             // as one operation instead of n rename operations like it is done now...
 212             Q_ASSERT(newName.contains('#'));
 213
 214             // iterate through all selected items and rename them...
 215             const int replaceIndex = newName.indexOf('#');
 216             Q_ASSERT(replaceIndex >= 0);
 217             int index = 1;
 218
 219             KUrl::List::const_iterator it = urls.begin();
 220             KUrl::List::const_iterator end = urls.end();
 221             while (it != end) {
 222                 const KUrl& oldUrl = *it;
 223                 QString number;
 224                 number.setNum(index++);
 225
 226                 QString name(newName);
 227                 name.replace(replaceIndex, 1, number);
 228
 229                 if (oldUrl.fileName() != name) {
 230                     KUrl newUrl = oldUrl;
 231                     newUrl.setFileName(name);
 232                     m_mainWindow->rename(oldUrl, newUrl);
 233                 }
 234                 ++it;
 235             }
 236         }
 237     } else {
 238         // Only one item has been selected for renaming. Use the custom
 239         // renaming mechanism from the views.
 240         Q_ASSERT(urls.count() == 1);
 241
 242         // TODO: Think about using KFileItemDelegate as soon as it supports editing.
 243         // Currently the RenameDialog is used, but I'm not sure whether inline renaming
 244         // is a benefit for the user at all -> let's wait for some input first...
 245         RenameDialog dialog(urls);
 246         if (dialog.exec() == QDialog::Rejected) {
 247             return;
 248         }
 249
 250         const QString& newName = dialog.newName();
 251         if (newName.isEmpty()) {
 252             view->statusBar()->setMessage(dialog.errorString(),
 253                                           DolphinStatusBar::Error);
 254         } else {
 255             const KUrl& oldUrl = urls.first();
 256             KUrl newUrl = oldUrl;
 257             newUrl.setFileName(newName);
 258             m_mainWindow->rename(oldUrl, newUrl);
 259         }
 260     }
 261 }
 262
 263 bool DolphinViewContainer::isFilterBarVisible() const
 264 {
 265     return m_filterBar->isVisible();
 266 }
 267
 268 bool DolphinViewContainer::isUrlEditable() const
 269 {
 270     return m_urlNavigator->isUrlEditable();
 271 }
 272
 273 KFileItem* DolphinViewContainer::fileItem(const QModelIndex index) const
 274 {
 275     const QModelIndex dirModelIndex = m_proxyModel->mapToSource(index);
 276     return m_dirModel->itemForIndex(dirModelIndex);
 277 }
 278
 279 void DolphinViewContainer::updateProgress(int percent)
 280 {
 281     if (!m_showProgress) {
 282         // Only show the directory loading progress if the status bar does
 283         // not contain another progress information. This means that
 284         // the directory loading progress information has the lowest priority.
 285         const QString progressText(m_statusBar->progressText());
 286         m_showProgress = progressText.isEmpty() ||
 287                         (progressText == i18n("Loading folder..."));
 288         if (m_showProgress) {
 289             m_statusBar->setProgressText(i18n("Loading folder..."));
 290             m_statusBar->setProgress(0);
 291         }
 292     }
 293
 294     if (m_showProgress) {
 295         m_statusBar->setProgress(percent);
 296     }
 297 }
 298
 299 void DolphinViewContainer::updateItemCount()
 300 {
 301     if (m_showProgress) {
 302         m_statusBar->setProgressText(QString());
 303         m_statusBar->setProgress(100);
 304         m_showProgress = false;
 305     }
 306
 307     KFileItemList items(m_dirLister->items());
 308     KFileItemList::const_iterator it = items.begin();
 309     const KFileItemList::const_iterator end = items.end();
 310
 311     m_fileCount = 0;
 312     m_folderCount = 0;
 313
 314     while (it != end) {
 315         KFileItem* item = *it;
 316         if (item->isDir()) {
 317             ++m_folderCount;
 318         } else {
 319             ++m_fileCount;
 320         }
 321         ++it;
 322     }
 323
 324     updateStatusBar();
 325
 326     QTimer::singleShot(100, this, SLOT(restoreContentsPos()));
 327 }
 328
 329 void DolphinViewContainer::showItemInfo(const KUrl& url)
 330 {
 331     if (url.isEmpty()) {
 332         m_statusBar->clear();
 333         return;
 334     }
 335
 336     const QModelIndex index = m_dirModel->indexForUrl(url);
 337     const KFileItem* item = m_dirModel->itemForIndex(index);
 338     if (item != 0) {
 339         m_statusBar->setMessage(item->getStatusBarInfo(), DolphinStatusBar::Default);
 340     }
 341 }
 342
 343 void DolphinViewContainer::showInfoMessage(const QString& msg)
 344 {
 345     m_statusBar->setMessage(msg, DolphinStatusBar::Information);
 346 }
 347
 348 void DolphinViewContainer::showErrorMessage(const QString& msg)
 349 {
 350     m_statusBar->setMessage(msg, DolphinStatusBar::Error);
 351 }
 352
 353 void DolphinViewContainer::closeFilterBar()
 354 {
 355     m_filterBar->hide();
 356     emit showFilterBarChanged(false);
 357 }
 358
 359 QString DolphinViewContainer::defaultStatusBarText() const
 360 {
 361     return KIO::itemsSummaryString(m_fileCount + m_folderCount,
 362                                    m_fileCount,
 363                                    m_folderCount,
 364                                    0, false);
 365 }
 366
 367 QString DolphinViewContainer::selectionStatusBarText() const
 368 {
 369     QString text;
 370     const KFileItemList list = m_view->selectedItems();
 371     if (list.isEmpty()) {
 372         // when an item is triggered, it is temporary selected but selectedItems()
 373         // will return an empty list
 374         return QString();
 375     }
 376
 377     int fileCount = 0;
 378     int folderCount = 0;
 379     KIO::filesize_t byteSize = 0;
 380     KFileItemList::const_iterator it = list.begin();
 381     const KFileItemList::const_iterator end = list.end();
 382     while (it != end) {
 383         KFileItem* item = *it;
 384         if (item->isDir()) {
 385             ++folderCount;
 386         } else {
 387             ++fileCount;
 388             byteSize += item->size();
 389         }
 390         ++it;
 391     }
 392
 393     if (folderCount > 0) {
 394         text = i18np("1 Folder selected", "%1 Folders selected", folderCount);
 395         if (fileCount > 0) {
 396             text += ", ";
 397         }
 398     }
 399
 400     if (fileCount > 0) {
 401         const QString sizeText(KIO::convertSize(byteSize));
 402         text += i18np("1 File selected (%2)", "%1 Files selected (%2)", fileCount, sizeText);
 403     }
 404
 405     return text;
 406 }
 407
 408 void DolphinViewContainer::showFilterBar(bool show)
 409 {
 410     Q_ASSERT(m_filterBar != 0);
 411     m_filterBar->setVisible(show);
 412 }
 413
 414 void DolphinViewContainer::updateStatusBar()
 415 {
 416     // As the item count information is less important
 417     // in comparison with other messages, it should only
 418     // be shown if:
 419     // - the status bar is empty or
 420     // - shows already the item count information or
 421     // - shows only a not very important information
 422     // - if any progress is given don't show the item count info at all
 423     const QString msg(m_statusBar->message());
 424     const bool updateStatusBarMsg = (msg.isEmpty() ||
 425                                      (msg == m_statusBar->defaultText()) ||
 426                                      (m_statusBar->type() == DolphinStatusBar::Information)) &&
 427                                     (m_statusBar->progress() == 100);
 428
 429     const QString text(m_view->hasSelection() ? selectionStatusBarText() : defaultStatusBarText());
 430     m_statusBar->setDefaultText(text);
 431
 432     if (updateStatusBarMsg) {
 433         m_statusBar->setMessage(text, DolphinStatusBar::Default);
 434     }
 435 }
 436
 437 void DolphinViewContainer::changeNameFilter(const QString& nameFilter)
 438 {
 439     // The name filter of KDirLister does a 'hard' filtering, which
 440     // means that only the items are shown where the names match
 441     // exactly the filter. This is non-transparent for the user, which
 442     // just wants to have a 'soft' filtering: does the name contain
 443     // the filter string?
 444     QString adjustedFilter(nameFilter);
 445     adjustedFilter.insert(0, '*');
 446     adjustedFilter.append('*');
 447
 448     // Use the ProxyModel to filter:
 449     // This code is #ifdefed as setNameFilter behaves
 450     // slightly different than the QSortFilterProxyModel
 451     // as it will not remove directories. I will ask
 452     // our beloved usability experts for input
 453     // -- z.
 454 #if 0
 455     m_dirLister->setNameFilter(adjustedFilter);
 456     m_dirLister->emitChanges();
 457 #else
 458     m_proxyModel->setFilterRegExp(nameFilter);
 459 #endif
 460 }
 461
 462 void DolphinViewContainer::openContextMenu(KFileItem* item,
 463                                            const KUrl& url)
 464 {
 465     DolphinContextMenu contextMenu(m_mainWindow, item, url);
 466     contextMenu.open();
 467 }
 468
 469 void DolphinViewContainer::saveContentsPos(int x, int y)
 470 {
 471     m_urlNavigator->savePosition(x, y);
 472 }
 473
 474 void DolphinViewContainer::restoreContentsPos()
 475 {
 476     if (!url().isEmpty()) {
 477         const QPoint pos = m_urlNavigator->savedPosition();
 478         m_view->setContentsPosition(pos.x(), pos.y());
 479     }
 480 }
 481
 482 void DolphinViewContainer::activate()
 483 {
 484     setActive(true);
 485 }
 486
 487 #include "dolphinviewcontainer.moc"