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