src/views/dolphinitemlistcontainer.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2011 by Peter Penz <peter.penz19@gmail.com>             *
   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 "dolphinitemlistcontainer.h"
  21
  22 #include "dolphin_generalsettings.h"
  23 #include "dolphin_iconsmodesettings.h"
  24 #include "dolphin_detailsmodesettings.h"
  25 #include "dolphin_compactmodesettings.h"
  26
  27 #include "dolphinfileitemlistwidget.h"
  28
  29 #include <kitemviews/kfileitemlistview.h>
  30 #include <kitemviews/kfileitemmodel.h>
  31 #include <kitemviews/kitemlistcontroller.h>
  32 #include <kitemviews/kitemliststyleoption.h>
  33
  34 #include <KDirLister>
  35 #include <KGlobalSettings>
  36
  37 #include <views/viewmodecontroller.h>
  38
  39 #include "zoomlevelinfo.h"
  40
  41
  42 DolphinItemListContainer::DolphinItemListContainer(KDirLister* dirLister,
  43                                                    QWidget* parent) :
  44     KItemListContainer(parent),
  45     m_zoomLevel(0),
  46     m_fileItemListView(0)
  47 {
  48     controller()->setModel(new KFileItemModel(dirLister, this));
  49
  50     m_fileItemListView = new KFileItemListView();
  51     m_fileItemListView->setWidgetCreator(new KItemListWidgetCreator<DolphinFileItemListWidget>());
  52     m_fileItemListView->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
  53     controller()->setView(m_fileItemListView);
  54
  55     updateAutoActivationDelay();
  56     updateFont();
  57     updateGridSize();
  58 }
  59
  60 DolphinItemListContainer::~DolphinItemListContainer()
  61 {
  62     IconsModeSettings::self()->writeConfig();
  63     CompactModeSettings::self()->writeConfig();
  64     DetailsModeSettings::self()->writeConfig();
  65
  66     controller()->setView(0);
  67     delete m_fileItemListView;
  68     m_fileItemListView = 0;
  69 }
  70
  71 void DolphinItemListContainer::setPreviewsShown(bool show)
  72 {
  73     beginTransaction();
  74     m_fileItemListView->setPreviewsShown(show);
  75     updateGridSize();
  76     endTransaction();
  77 }
  78
  79 bool DolphinItemListContainer::previewsShown() const
  80 {
  81     return m_fileItemListView->previewsShown();
  82 }
  83
  84 void DolphinItemListContainer::setVisibleRoles(const QList<QByteArray>& roles)
  85 {
  86     m_fileItemListView->setVisibleRoles(roles);
  87     updateGridSize();
  88 }
  89
  90 QList<QByteArray> DolphinItemListContainer::visibleRoles() const
  91 {
  92     return m_fileItemListView->visibleRoles();
  93 }
  94
  95 void DolphinItemListContainer::setZoomLevel(int level)
  96 {
  97     if (level < ZoomLevelInfo::minimumLevel()) {
  98         level = ZoomLevelInfo::minimumLevel();
  99     } else if (level > ZoomLevelInfo::maximumLevel()) {
 100         level = ZoomLevelInfo::maximumLevel();
 101     }
 102
 103     if (level == m_zoomLevel) {
 104         return;
 105     }
 106
 107     m_zoomLevel = level;
 108
 109     ViewModeSettings settings(viewMode());
 110     if (previewsShown()) {
 111         const int previewSize = ZoomLevelInfo::iconSizeForZoomLevel(level);
 112         settings.setPreviewSize(previewSize);
 113     } else {
 114         const int iconSize = ZoomLevelInfo::iconSizeForZoomLevel(level);
 115         settings.setIconSize(iconSize);
 116     }
 117
 118     updateGridSize();
 119 }
 120
 121 int DolphinItemListContainer::zoomLevel() const
 122 {
 123     return m_zoomLevel;
 124 }
 125
 126 void DolphinItemListContainer::setItemLayout(KFileItemListView::Layout layout)
 127 {
 128     if (layout == itemLayout()) {
 129         return;
 130     }
 131
 132     beginTransaction();
 133     m_fileItemListView->setItemLayout(layout);
 134
 135     switch (layout) {
 136     case KFileItemListView::IconsLayout:
 137         m_fileItemListView->setScrollOrientation(Qt::Vertical);
 138         m_fileItemListView->setHeaderShown(false);
 139         break;
 140     case KFileItemListView::DetailsLayout:
 141         m_fileItemListView->setScrollOrientation(Qt::Vertical);
 142         m_fileItemListView->setHeaderShown(true);
 143         break;
 144     case KFileItemListView::CompactLayout:
 145         m_fileItemListView->setScrollOrientation(Qt::Horizontal);
 146         m_fileItemListView->setHeaderShown(false);
 147         break;
 148     default:
 149         Q_ASSERT(false);
 150         break;
 151     }
 152
 153     updateFont();
 154     updateGridSize();
 155     endTransaction();
 156 }
 157
 158 KFileItemListView::Layout DolphinItemListContainer::itemLayout() const
 159 {
 160     return m_fileItemListView->itemLayout();
 161 }
 162
 163 void DolphinItemListContainer::beginTransaction()
 164 {
 165     m_fileItemListView->beginTransaction();
 166 }
 167
 168 void DolphinItemListContainer::endTransaction()
 169 {
 170     m_fileItemListView->endTransaction();
 171 }
 172
 173 void DolphinItemListContainer::refresh()
 174 {
 175     ViewModeSettings settings(viewMode());
 176     settings.readConfig();
 177
 178     beginTransaction();
 179
 180     m_fileItemListView->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
 181     updateAutoActivationDelay();
 182     updateFont();
 183     updateGridSize();
 184
 185     const KConfigGroup globalConfig(KGlobal::config(), "PreviewSettings");
 186     const QStringList plugins = globalConfig.readEntry("Plugins", QStringList()
 187                                                        << "directorythumbnail"
 188                                                        << "imagethumbnail"
 189                                                        << "jpegthumbnail");
 190     m_fileItemListView->setEnabledPlugins(plugins);
 191
 192     endTransaction();
 193 }
 194
 195 void DolphinItemListContainer::updateGridSize()
 196 {
 197     const ViewModeSettings settings(viewMode());
 198
 199     // Calculate the size of the icon
 200     const int iconSize = previewsShown() ? settings.previewSize() : settings.iconSize();
 201     m_zoomLevel = ZoomLevelInfo::zoomLevelForIconSize(QSize(iconSize, iconSize));
 202     KItemListStyleOption styleOption = m_fileItemListView->styleOption();
 203
 204     const int innerMargin = (iconSize >= KIconLoader::SizeSmallMedium) ? 4 : 2;
 205
 206     // Calculate the item-width and item-height
 207     int itemWidth;
 208     int itemHeight;
 209     switch (itemLayout()) {
 210     case KFileItemListView::IconsLayout: {
 211         const int minItemWidth = 64;
 212         itemWidth = minItemWidth + IconsModeSettings::textWidthIndex() * 64; // TODO:
 213         if (itemWidth < iconSize + innerMargin * 2) {
 214             itemWidth = iconSize + innerMargin * 2;
 215         }
 216         itemHeight = innerMargin * 2 + iconSize + styleOption.fontMetrics.height();
 217         break;
 218     }
 219     case KFileItemListView::CompactLayout: {
 220         itemWidth = innerMargin * 2;
 221         const int textLinesCount = m_fileItemListView->visibleRoles().count();
 222         itemHeight = innerMargin * 2 + qMax(iconSize, textLinesCount * styleOption.fontMetrics.height());
 223         break;
 224     }
 225     case KFileItemListView::DetailsLayout: {
 226         itemWidth = -1;
 227         itemHeight = innerMargin * 2 + qMax(iconSize, styleOption.fontMetrics.height());
 228         break;
 229     }
 230     default: Q_ASSERT(false); break;
 231     }
 232
 233     // Apply the calculated values
 234     styleOption.margin = innerMargin;
 235     styleOption.iconSize = iconSize;
 236     m_fileItemListView->setStyleOption(styleOption);
 237     m_fileItemListView->setItemSize(QSizeF(itemWidth, itemHeight));
 238 }
 239
 240 void DolphinItemListContainer::updateFont()
 241 {
 242     KItemListStyleOption styleOption = m_fileItemListView->styleOption();
 243
 244     const ViewModeSettings settings(viewMode());
 245
 246     QFont font(settings.fontFamily(), qRound(settings.fontSize()));
 247     font.setItalic(settings.italicFont());
 248     font.setWeight(settings.fontWeight());
 249     font.setPointSizeF(settings.fontSize());
 250
 251     styleOption.font = font;
 252     styleOption.fontMetrics = QFontMetrics(font);
 253
 254     m_fileItemListView->setStyleOption(styleOption);
 255 }
 256
 257 void DolphinItemListContainer::updateAutoActivationDelay()
 258 {
 259     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 260     controller()->setAutoActivationDelay(delay);
 261 }
 262
 263 ViewModeSettings::ViewMode DolphinItemListContainer::viewMode() const
 264 {
 265     ViewModeSettings::ViewMode mode;
 266
 267     switch (itemLayout()) {
 268     case KFileItemListView::IconsLayout:   mode = ViewModeSettings::IconsMode; break;
 269     case KFileItemListView::CompactLayout: mode = ViewModeSettings::CompactMode; break;
 270     case KFileItemListView::DetailsLayout: mode = ViewModeSettings::DetailsMode; break;
 271     default: Q_ASSERT(false); break;
 272     }
 273
 274     return mode;
 275 }
 276
 277 #include "dolphinitemlistcontainer.moc"