Started properties refactoring

src/properties/proplistdelegate.h

@@ -0,0 +1,191 @@
+/*
+ * Bittorrent Client using Qt4 and libtorrent.
+ * Copyright (C) 2006  Christophe Dumez
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ *
+ * Contact : chris@qbittorrent.org
+ */
+
+#ifndef PROPLISTDELEGATE_H
+#define PROPLISTDELEGATE_H
+
+#include <QItemDelegate>
+#include <QStyleOptionProgressBarV2>
+#include <QStyleOptionViewItemV2>
+#include <QStyleOptionComboBox>
+#include <QComboBox>
+#include <QModelIndex>
+#include <QPainter>
+#include <QProgressBar>
+#include <QApplication>
+#include "misc.h"
+#include "propertieswidget.h"
+
+#ifdef Q_WS_WIN
+#include <QPlastiqueStyle>
+#endif
+
+// Defines for properties list columns
+enum PropColumn {NAME, PCSIZE, PROGRESS, PRIORITY};
+
+class PropListDelegate: public QItemDelegate {
+  Q_OBJECT
+
+private:
+  PropertiesWidget *properties;
+
+signals:
+  void filteredFilesChanged() const;
+
+public:
+  PropListDelegate(PropertiesWidget* properties=0, QObject *parent=0) : QItemDelegate(parent), properties(properties){
+  }
+
+  ~PropListDelegate(){}
+
+  void paint(QPainter * painter, const QStyleOptionViewItem & option, const QModelIndex & index) const{
+    painter->save();
+    QStyleOptionViewItemV2 opt = QItemDelegate::setOptions(index, option);
+    switch(index.column()){
+    case PCSIZE:
+      QItemDelegate::drawBackground(painter, opt, index);
+      QItemDelegate::drawDisplay(painter, opt, option.rect, misc::friendlyUnit(index.data().toLongLong()));
+      break;
+    case PROGRESS:{
+        QStyleOptionProgressBarV2 newopt;
+        float progress = index.data().toDouble()*100.;
+        newopt.rect = opt.rect;
+        newopt.text = QString(QByteArray::number(progress, 'f', 1))+QString::fromUtf8("%");
+        newopt.progress = (int)progress;
+        newopt.maximum = 100;
+        newopt.minimum = 0;
+        newopt.state |= QStyle::State_Enabled;
+        newopt.textVisible = true;
+#ifndef Q_WS_WIN
+        QApplication::style()->drawControl(QStyle::CE_ProgressBar, &newopt, painter);
+#else
+        // XXX: To avoid having the progress text on the right of the bar
+        QPlastiqueStyle st;
+        st.drawControl(QStyle::CE_ProgressBar, &newopt, painter, 0);
+#endif
+        break;
+      }
+    case PRIORITY: {
+        QItemDelegate::drawBackground(painter, opt, index);
+        QString text = "";
+        switch(index.data().toInt()) {
+        case 0:
+          text = tr("Not downloaded");
+          break;
+        case 2:
+          text = tr("High", "High (priority)");
+          break;
+        case 7:
+          text = tr("Maximum", "Maximum (priority)");
+          break;
+        default:
+          text = tr("Normal", "Normal (priority)");
+          break;
+        }
+        QItemDelegate::drawDisplay(painter, opt, option.rect, text);
+        break;
+      }
+    default:
+      QItemDelegate::paint(painter, option, index);
+      break;
+    }
+    painter->restore();
+  }
+
+  QSize sizeHint(const QStyleOptionViewItem & option, const QModelIndex & index) const{
+    QVariant value = index.data(Qt::FontRole);
+    QFont fnt = value.isValid() ? qvariant_cast<QFont>(value) : option.font;
+    QFontMetrics fontMetrics(fnt);
+    const QString text = index.data(Qt::DisplayRole).toString();
+    QRect textRect = QRect(0, 0, 0, fontMetrics.lineSpacing() * (text.count(QLatin1Char('\n')) + 1));
+    textRect.setHeight(textRect.height()+4);
+    return textRect.size();
+  }
+
+  void setEditorData(QWidget *editor, const QModelIndex &index) const {
+    QComboBox *combobox = static_cast<QComboBox*>(editor);
+    // Set combobox index
+    switch(index.data().toInt()) {
+    case 2:
+      combobox->setCurrentIndex(1);
+      break;
+    case 7:
+      combobox->setCurrentIndex(2);
+      break;
+    default:
+      combobox->setCurrentIndex(0);
+      break;
+    }
+  }
+
+  QWidget* createEditor(QWidget *parent, const QStyleOptionViewItem &/* option */, const QModelIndex &index) const {
+    if(index.column() != PRIORITY) return 0;
+    if(properties) {
+      QTorrentHandle h = properties->getCurrentTorrent();
+      if(!h.is_valid() || static_cast<torrent_handle>(h).is_seed() || !h.has_metadata()) return 0;
+    }
+    if(index.data().toInt() == 0) {
+      // IGNORED
+      return 0;
+    }
+    QComboBox* editor = new QComboBox(parent);
+    editor->setFocusPolicy(Qt::StrongFocus);
+    editor->addItem(tr("Normal", "Normal (priority)"));
+    editor->addItem(tr("High", "High (priority)"));
+    editor->addItem(tr("Maximum", "Maximum (priority)"));
+    return editor;
+  }
+
+public slots:
+  void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const {
+    QComboBox *combobox = static_cast<QComboBox*>(editor);
+    int value = combobox->currentIndex();
+    qDebug("PropListDelegate: setModelData(%d)", value);
+    switch(value)  {
+    case 1:
+      model->setData(index, 2); // HIGH
+      break;
+    case 2:
+      model->setData(index, 7); // MAX
+      break;
+    default:
+      model->setData(index, 1); // NORMAL
+    }
+    emit filteredFilesChanged();
+  }
+
+  void updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &/* index */) const {
+    qDebug("UpdateEditor Geometry called");
+    editor->setGeometry(option.rect);
+  }
+
+};
+
+#endif