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 <kfileitemdelegate.h>
  31 #include <kfileplacesmodel.h>
  32 #include <kglobalsettings.h>
  33 #include <klocale.h>
  34 #include <kiconeffect.h>
  35 #include <kio/netaccess.h>
  36 #include <kio/renamedialog.h>
  37 #include <kio/previewjob.h>
  38 #include <kmimetyperesolver.h>
  39 #include <konqmimedata.h>
  40 #include <konq_operations.h>
  41 #include <kurl.h>
  42
  43 #include "dolphinmodel.h"
  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 "filterbar.h"
  54 #include "renamedialog.h"
  55 #include "kurlnavigator.h"
  56 #include "viewproperties.h"
  57 #include "dolphinsettings.h"
  58 #include "dolphin_generalsettings.h"
  59
  60 DolphinViewContainer::DolphinViewContainer(DolphinMainWindow* mainWindow,
  61                                            QWidget* parent,
  62                                            const KUrl& url) :
  63     QWidget(parent),
  64     m_showProgress(false),
  65     m_mainWindow(mainWindow),
  66     m_topLayout(0),
  67     m_urlNavigator(0),
  68     m_view(0),
  69     m_filterBar(0),
  70     m_statusBar(0),
  71     m_dirLister(0),
  72     m_proxyModel(0)
  73 {
  74     hide();
  75     setFocusPolicy(Qt::StrongFocus);
  76     m_topLayout = new QVBoxLayout(this);
  77     m_topLayout->setSpacing(0);
  78     m_topLayout->setMargin(0);
  79
  80     m_urlNavigator = new KUrlNavigator(DolphinSettings::instance().placesModel(), url, this);
  81     connect(m_urlNavigator, SIGNAL(urlsDropped(const KUrl::List&, const KUrl&)),
  82             m_mainWindow, SLOT(dropUrls(const KUrl::List&, const KUrl&)));
  83     connect(m_urlNavigator, SIGNAL(activated()),
  84             this, SLOT(activate()));
  85
  86     const GeneralSettings* settings = DolphinSettings::instance().generalSettings();
  87     m_urlNavigator->setUrlEditable(settings->editableUrl());
  88     m_urlNavigator->setHomeUrl(settings->homeUrl());
  89
  90     m_dirLister = new DolphinDirLister();
  91     m_dirLister->setAutoUpdate(true);
  92     m_dirLister->setMainWindow(this);
  93     m_dirLister->setDelayedMimeTypes(true);
  94
  95     m_dolphinModel = new DolphinModel(this);
  96     m_dolphinModel->setDirLister(m_dirLister);
  97     m_dolphinModel->setDropsAllowed(DolphinModel::DropOnDirectory);
  98
  99     m_proxyModel = new DolphinSortFilterProxyModel(this);
 100     m_proxyModel->setSourceModel(m_dolphinModel);
 101
 102     connect(m_dirLister, SIGNAL(clear()),
 103             this, SLOT(updateStatusBar()));
 104     connect(m_dirLister, SIGNAL(percent(int)),
 105             this, SLOT(updateProgress(int)));
 106     connect(m_dirLister, SIGNAL(deleteItem(const KFileItem&)),
 107             this, SLOT(updateStatusBar()));
 108     connect(m_dirLister, SIGNAL(completed()),
 109             this, SLOT(slotDirListerCompleted()));
 110     connect(m_dirLister, SIGNAL(infoMessage(const QString&)),
 111             this, SLOT(showInfoMessage(const QString&)));
 112     connect(m_dirLister, SIGNAL(errorMessage(const QString&)),
 113             this, SLOT(showErrorMessage(const QString&)));
 114
 115     m_view = new DolphinView(this,
 116                              url,
 117                              m_dirLister,
 118                              m_dolphinModel,
 119                              m_proxyModel);
 120     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 121             m_urlNavigator, SLOT(setUrl(const KUrl&)));
 122     connect(m_view, SIGNAL(requestContextMenu(KFileItem, const KUrl&)),
 123             this, SLOT(openContextMenu(KFileItem, const KUrl&)));
 124     connect(m_view, SIGNAL(urlsDropped(const KUrl::List&, const KUrl&)),
 125             m_mainWindow, SLOT(dropUrls(const KUrl::List&, const KUrl&)));
 126     connect(m_view, SIGNAL(contentsMoved(int, int)),
 127             this, SLOT(saveContentsPos(int, int)));
 128     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
 129             this, SLOT(showItemInfo(KFileItem)));
 130     connect(m_view, SIGNAL(errorMessage(const QString&)),
 131             this, SLOT(showErrorMessage(const QString&)));
 132     connect(m_view, SIGNAL(infoMessage(const QString&)),
 133             this, SLOT(showInfoMessage(const QString&)));
 134     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
 135             this, SLOT(slotItemTriggered(KFileItem)));
 136     connect(m_view, SIGNAL(startedPathLoading(const KUrl&)),
 137             this, SLOT(saveRootUrl(const KUrl&)));
 138
 139     connect(m_urlNavigator, SIGNAL(urlChanged(const KUrl&)),
 140             this, SLOT(restoreView(const KUrl&)));
 141
 142     m_statusBar = new DolphinStatusBar(this, url);
 143     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
 144             m_statusBar, SLOT(updateSpaceInfoContent(const KUrl&)));
 145
 146     m_filterBar = new FilterBar(this);
 147     m_filterBar->setVisible(settings->filterBar());
 148     connect(m_filterBar, SIGNAL(filterChanged(const QString&)),
 149             this, SLOT(setNameFilter(const QString&)));
 150     connect(m_filterBar, SIGNAL(closeRequest()),
 151             this, SLOT(closeFilterBar()));
 152
 153     m_topLayout->addWidget(m_urlNavigator);
 154     m_topLayout->addWidget(m_view);
 155     m_topLayout->addWidget(m_filterBar);
 156     m_topLayout->addWidget(m_statusBar);
 157 }
 158
 159 DolphinViewContainer::~DolphinViewContainer()
 160 {
 161     delete m_dirLister;
 162     m_dirLister = 0;
 163 }
 164
 165 void DolphinViewContainer::setUrl(const KUrl& url)
 166 {
 167     m_urlNavigator->setUrl(url);
 168 }
 169
 170 const KUrl& DolphinViewContainer::url() const
 171 {
 172     return m_urlNavigator->url();
 173 }
 174
 175 void DolphinViewContainer::setActive(bool active)
 176 {
 177     m_urlNavigator->setActive(active);
 178     m_view->setActive(active);
 179 }
 180
 181 bool DolphinViewContainer::isActive() const
 182 {
 183     Q_ASSERT(m_view->isActive() == m_urlNavigator->isActive());
 184     return m_view->isActive();
 185 }
 186
 187 void DolphinViewContainer::renameSelectedItems()
 188 {
 189     DolphinViewContainer* view = m_mainWindow->activeViewContainer();
 190     const KFileItemList items = m_view->selectedItems();
 191     if (items.count() > 1) {
 192         // More than one item has been selected for renaming. Open
 193         // a rename dialog and rename all items afterwards.
 194         RenameDialog dialog(items);
 195         if (dialog.exec() == QDialog::Rejected) {
 196             return;
 197         }
 198
 199         const QString& newName = dialog.newName();
 200         if (newName.isEmpty()) {
 201             view->statusBar()->setMessage(dialog.errorString(),
 202                                           DolphinStatusBar::Error);
 203         } else {
 204             // TODO: check how this can be integrated into KonqUndoManager/KonqOperations
 205             // as one operation instead of n rename operations like it is done now...
 206             Q_ASSERT(newName.contains('#'));
 207
 208             // iterate through all selected items and rename them...
 209             const int replaceIndex = newName.indexOf('#');
 210             Q_ASSERT(replaceIndex >= 0);
 211             int index = 1;
 212
 213             KFileItemList::const_iterator it = items.begin();
 214             KFileItemList::const_iterator end = items.end();
 215             while (it != end) {
 216                 const KUrl& oldUrl = (*it).url();
 217                 QString number;
 218                 number.setNum(index++);
 219
 220                 QString name(newName);
 221                 name.replace(replaceIndex, 1, number);
 222
 223                 if (oldUrl.fileName() != name) {
 224                     KUrl newUrl = oldUrl;
 225                     newUrl.setFileName(name);
 226                     m_mainWindow->rename(oldUrl, newUrl);
 227                 }
 228                 ++it;
 229             }
 230         }
 231     } else {
 232         // Only one item has been selected for renaming. Use the custom
 233         // renaming mechanism from the views.
 234         Q_ASSERT(items.count() == 1);
 235
 236         // TODO: Think about using KFileItemDelegate as soon as it supports editing.
 237         // Currently the RenameDialog is used, but I'm not sure whether inline renaming
 238         // is a benefit for the user at all -> let's wait for some input first...
 239         RenameDialog dialog(items);
 240         if (dialog.exec() == QDialog::Rejected) {
 241             return;
 242         }
 243
 244         const QString& newName = dialog.newName();
 245         if (newName.isEmpty()) {
 246             view->statusBar()->setMessage(dialog.errorString(),
 247                                           DolphinStatusBar::Error);
 248         } else {
 249             const KUrl& oldUrl = items.first().url();
 250             KUrl newUrl = oldUrl;
 251             newUrl.setFileName(newName);
 252             m_mainWindow->rename(oldUrl, newUrl);
 253         }
 254     }
 255 }
 256
 257 bool DolphinViewContainer::isFilterBarVisible() const
 258 {
 259     return m_filterBar->isVisible();
 260 }
 261
 262 bool DolphinViewContainer::isUrlEditable() const
 263 {
 264     return m_urlNavigator->isUrlEditable();
 265 }
 266
 267 KFileItem DolphinViewContainer::fileItem(const QModelIndex& index) const
 268 {
 269     const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
 270     return m_dolphinModel->itemForIndex(dolphinModelIndex);
 271 }
 272
 273 void DolphinViewContainer::updateProgress(int percent)
 274 {
 275     if (!m_showProgress) {
 276         // Only show the directory loading progress if the status bar does
 277         // not contain another progress information. This means that
 278         // the directory loading progress information has the lowest priority.
 279         const QString progressText(m_statusBar->progressText());
 280         const QString loadingText(i18nc("@info:progress", "Loading folder..."));
 281         m_showProgress = progressText.isEmpty() || (progressText == loadingText);
 282         if (m_showProgress) {
 283             m_statusBar->setProgressText(loadingText);
 284             m_statusBar->setProgress(0);
 285         }
 286     }
 287
 288     if (m_showProgress) {
 289         m_statusBar->setProgress(percent);
 290     }
 291 }
 292
 293 void DolphinViewContainer::slotDirListerCompleted()
 294 {
 295     if (m_showProgress) {
 296         m_statusBar->setProgressText(QString());
 297         m_statusBar->setProgress(100);
 298         m_showProgress = false;
 299     }
 300
 301     updateStatusBar();
 302
 303     QTimer::singleShot(100, this, SLOT(restoreContentsPos()));
 304 }
 305
 306 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 307 {
 308     if (item.isNull()) {
 309         m_statusBar->clear();
 310     } else {
 311         m_statusBar->setMessage(item.getStatusBarInfo(), DolphinStatusBar::Default);
 312     }
 313 }
 314
 315 void DolphinViewContainer::showInfoMessage(const QString& msg)
 316 {
 317     m_statusBar->setMessage(msg, DolphinStatusBar::Information);
 318 }
 319
 320 void DolphinViewContainer::showErrorMessage(const QString& msg)
 321 {
 322     m_statusBar->setMessage(msg, DolphinStatusBar::Error);
 323 }
 324
 325 void DolphinViewContainer::closeFilterBar()
 326 {
 327     m_filterBar->hide();
 328     emit showFilterBarChanged(false);
 329 }
 330
 331 QString DolphinViewContainer::defaultStatusBarText() const
 332 {
 333     int folderCount = 0;
 334     int fileCount = 0;
 335     m_view->calculateItemCount(fileCount, folderCount);
 336     return KIO::itemsSummaryString(fileCount + folderCount,
 337                                    fileCount,
 338                                    folderCount,
 339                                    0, false);
 340 }
 341
 342 QString DolphinViewContainer::selectionStatusBarText() const
 343 {
 344     QString text;
 345     const KFileItemList list = m_view->selectedItems();
 346     if (list.isEmpty()) {
 347         // when an item is triggered, it is temporary selected but selectedItems()
 348         // will return an empty list
 349         return QString();
 350     }
 351
 352     int fileCount = 0;
 353     int folderCount = 0;
 354     KIO::filesize_t byteSize = 0;
 355     KFileItemList::const_iterator it = list.begin();
 356     const KFileItemList::const_iterator end = list.end();
 357     while (it != end) {
 358         const KFileItem& item = *it;
 359         if (item.isDir()) {
 360             ++folderCount;
 361         } else {
 362             ++fileCount;
 363             byteSize += item.size();
 364         }
 365         ++it;
 366     }
 367
 368     if (folderCount > 0) {
 369         text = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 370         if (fileCount > 0) {
 371             text += ", ";
 372         }
 373     }
 374
 375     if (fileCount > 0) {
 376         const QString sizeText(KIO::convertSize(byteSize));
 377         text += i18ncp("@info:status", "1 File selected (%2)", "%1 Files selected (%2)", fileCount, sizeText);
 378     }
 379
 380     return text;
 381 }
 382
 383 void DolphinViewContainer::showFilterBar(bool show)
 384 {
 385     Q_ASSERT(m_filterBar != 0);
 386     m_filterBar->setVisible(show);
 387 }
 388
 389 void DolphinViewContainer::updateStatusBar()
 390 {
 391     // As the item count information is less important
 392     // in comparison with other messages, it should only
 393     // be shown if:
 394     // - the status bar is empty or
 395     // - shows already the item count information or
 396     // - shows only a not very important information
 397     // - if any progress is given don't show the item count info at all
 398     const QString msg(m_statusBar->message());
 399     const bool updateStatusBarMsg = (msg.isEmpty() ||
 400                                      (msg == m_statusBar->defaultText()) ||
 401                                      (m_statusBar->type() == DolphinStatusBar::Information)) &&
 402                                     (m_statusBar->progress() == 100);
 403
 404     const QString text(m_view->hasSelection() ? selectionStatusBarText() : defaultStatusBarText());
 405     m_statusBar->setDefaultText(text);
 406
 407     if (updateStatusBarMsg) {
 408         m_statusBar->setMessage(text, DolphinStatusBar::Default);
 409     }
 410 }
 411
 412 void DolphinViewContainer::setNameFilter(const QString& nameFilter)
 413 {
 414     m_view->setNameFilter(nameFilter);
 415     updateStatusBar();
 416 }
 417
 418 void DolphinViewContainer::openContextMenu(const KFileItem& item,
 419                                            const KUrl& url)
 420 {
 421     DolphinContextMenu contextMenu(m_mainWindow, item, url);
 422     contextMenu.open();
 423 }
 424
 425 void DolphinViewContainer::saveContentsPos(int x, int y)
 426 {
 427     m_urlNavigator->savePosition(x, y);
 428 }
 429
 430 void DolphinViewContainer::restoreContentsPos()
 431 {
 432     if (!url().isEmpty()) {
 433         const QPoint pos = m_urlNavigator->savedPosition();
 434         m_view->setContentsPosition(pos.x(), pos.y());
 435     }
 436 }
 437
 438 void DolphinViewContainer::activate()
 439 {
 440     setActive(true);
 441 }
 442
 443 void DolphinViewContainer::restoreView(const KUrl& url)
 444 {
 445     m_view->updateView(url, m_urlNavigator->savedRootUrl());
 446 }
 447
 448 void DolphinViewContainer::saveRootUrl(const KUrl& url)
 449 {
 450     Q_UNUSED(url);
 451     m_urlNavigator->saveRootUrl(m_view->rootUrl());
 452 }
 453
 454 void DolphinViewContainer::slotItemTriggered(const KFileItem& item)
 455 {
 456     // Prefer the local path over the URL.
 457     bool isLocal;
 458     KUrl url = item.mostLocalUrl(isLocal);
 459
 460     if (item.isDir()) {
 461         m_view->setUrl(url);
 462     } else if (item.isFile()) {
 463         // allow to browse through ZIP and tar files
 464         KMimeType::Ptr mime = item.mimeTypePtr();
 465         if (mime->is("application/zip")) {
 466             url.setProtocol("zip");
 467             m_view->setUrl(url);
 468         } else if (mime->is("application/x-tar") ||
 469                    mime->is("application/x-tarz") ||
 470                    mime->is("application/x-bzip-compressed-tar") ||
 471                    mime->is("application/x-compressed-tar") ||
 472                    mime->is("application/x-tzo")) {
 473             url.setProtocol("tar");
 474             m_view->setUrl(url);
 475         } else {
 476             item.run();
 477         }
 478     } else {
 479         item.run();
 480     }
 481 }
 482
 483 #include "dolphinviewcontainer.moc"