Add AclJobItem

src/libtomahawk/jobview/AclJobItem.cpp

@@ -0,0 +1,137 @@
+/* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
+ *
+ *   Copyright 2010-2011, Leo Franchi <lfranchi@kde.org>
+ *   Copyright 2012, Jeff Mitchell <jeff@tomahawk-player.org>
+ *
+ *   Tomahawk 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 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Tomahawk 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 Tomahawk. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "AclJobItem.h"
+
+#include "utils/tomahawkutils.h"
+
+#include <QPixmap>
+#include <QListView>
+#include <QApplication>
+
+static QPixmap* s_indexIcon = 0;
+
+
+#define ROW_HEIGHT 20
+#define ICON_PADDING 1
+#define PADDING 2
+AclJobDelegate::AclJobDelegate( QObject* parent )
+    : QStyledItemDelegate ( parent )
+    , m_parentView( qobject_cast< QListView* >( parent ) )
+{
+    Q_ASSERT( m_parentView );
+}
+
+
+void
+AclJobDelegate::paint( QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index ) const
+{
+    QStyleOptionViewItemV4 opt = option;
+    initStyleOption( &opt, index );
+    QFontMetrics fm( opt.font );
+    const bool allowMultiLine = index.data( JobStatusModel::AllowMultiLineRole ).toBool();
+
+    opt.state &= ~QStyle::State_MouseOver;
+    QApplication::style()->drawPrimitive( QStyle::PE_PanelItemViewItem, &opt, painter, opt.widget );
+
+//     painter->drawLine( opt.rect.topLeft(), opt.rect.topRight() );
+
+    painter->setRenderHint( QPainter::Antialiasing );
+    QRect iconRect( ICON_PADDING, ICON_PADDING + opt.rect.y(), ROW_HEIGHT - 2*ICON_PADDING, ROW_HEIGHT - 2*ICON_PADDING );
+    if ( allowMultiLine )
+        iconRect.moveTop( opt.rect.top() + opt.rect.height() / 2 - iconRect.height() / 2);
+    QPixmap p = index.data( Qt::DecorationRole ).value< QPixmap >();
+    p = p.scaledToHeight( iconRect.height(), Qt::SmoothTransformation );
+    painter->drawPixmap( iconRect, p );
+
+    // draw right column if there is one
+    const QString rCol = index.data( JobStatusModel::RightColumnRole ).toString();
+    int rightEdge = opt.rect.right();
+    if ( !rCol.isEmpty() )
+    {
+        const int w = fm.width( rCol );
+        const QRect rRect( opt.rect.right() - PADDING - w, PADDING + opt.rect.y(), w, opt.rect.height() - 2*PADDING );
+        painter->drawText( rRect, Qt::AlignCenter, rCol );
+
+        rightEdge = rRect.left();
+    }
+
+    const int mainW = rightEdge - 3*PADDING - iconRect.right();
+    QString mainText = index.data( Qt::DisplayRole ).toString();
+    QTextOption to( Qt::AlignLeft | Qt::AlignVCenter );
+    if ( !allowMultiLine )
+        mainText = fm.elidedText( mainText, Qt::ElideRight, mainW  );
+    else
+        to.setWrapMode( QTextOption::WrapAtWordBoundaryOrAnywhere );
+    painter->drawText( QRect( iconRect.right() + 2*PADDING, PADDING + opt.rect.y(), mainW, opt.rect.height() - 2*PADDING ), mainText, to );
+}
+
+QSize
+AclJobDelegate::sizeHint( const QStyleOptionViewItem& option, const QModelIndex& index ) const
+{
+    const bool allowMultiLine = index.data( JobStatusModel::AllowMultiLineRole ).toBool();
+
+    if ( !allowMultiLine )
+        return QSize( QStyledItemDelegate::sizeHint ( option, index ).width(), ROW_HEIGHT );
+    else if ( m_cachedMultiLineHeights.contains( index ) )
+        return QSize( QStyledItemDelegate::sizeHint ( option, index ).width(), m_cachedMultiLineHeights[ index ] );
+
+    // Don't elide, but stretch across as many rows as required
+    QStyleOptionViewItemV4 opt = option;
+    initStyleOption( &opt, index );
+
+    const QString text = index.data( Qt::DisplayRole ).toString();
+    const int leftEdge =  ICON_PADDING + ROW_HEIGHT + 2*PADDING;
+    const QRect rect = opt.fontMetrics.boundingRect( leftEdge, opt.rect.top(), m_parentView->width() - leftEdge, 200, Qt::AlignLeft | Qt::AlignTop | Qt::TextWordWrap, text );
+
+    m_cachedMultiLineHeights.insert( index, rect.height() + 4*PADDING );
+
+    return QSize( QStyledItemDelegate::sizeHint ( option, index ).width(), rect.height() + 4*PADDING );
+}
+
+
+
+AclJobItem::AclJobItem()
+    : m_delegate( 0 )
+{
+}
+
+
+AclJobItem::~AclJobItem()
+{
+    if ( m_delegate );
+        delete m_delegate;
+}
+
+
+AclJobItem::createDelegate( QObject* parent )
+{
+    if ( m_delegate )
+        return;
+
+    m_delegate = new AclJobDelegate( parent );
+}
+
+
+void
+AclJobItem::done()
+{
+    emit finished();
+}
+

src/libtomahawk/jobview/AclJobItem.h

@@ -0,0 +1,72 @@
+/* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
+ *
+ *   Copyright 2010-2011, Leo Franchi <lfranchi@kde.org>
+ *   Copyright 2012, Jeff Mitchell <jeff@tomahawk-player.org>
+ *
+ *   Tomahawk 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 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Tomahawk 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 Tomahawk. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef ACLJOBITEM_H
+#define ACLJOBITEM_H
+
+#include <QStyledItemDelegate>
+
+#include <jobview/JobStatusItem.h>
+
+class QListView;
+
+class AclJobDelegate : public QStyledItemDelegate
+{
+    Q_OBJECT
+
+public:
+    explicit AclJobDelegate ( QObject* parent = 0 );
+    virtual ~AclJobDelegate();
+
+    virtual void paint( QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index ) const;
+    virtual QSize sizeHint( const QStyleOptionViewItem& option, const QModelIndex& index ) const;
+
+    virtual void setParent( QObject* parent );
+
+private:
+    mutable QHash< QPersistentModelIndex, int > m_cachedMultiLineHeights;
+    QListView* m_parentView;
+};
+
+
+class AclJobItem : public JobStatusItem
+{
+    Q_OBJECT
+public:
+    explicit AclJobItem();
+    ~AclJobItem();
+    
+    void done();
+
+    virtual QString rightColumnText() const { return QString(); }
+    virtual QString mainText() const { return QString(); }
+    virtual QPixmap icon() const { return QPixmap(); }
+    virtual QString type() const { return "acljob"; }
+
+    virtual int concurrentJobLimit() const { return 3; }
+    
+    virtual bool hasCustomDelegate() { return true; }
+    virtual void createDelegate( QObject* parent );
+    virtual QStyledItemDelegate* customDelegate() { return m_delegate; }
+
+private:
+    QStyledItemDelegate* m_delegate;
+};
+
+#endif // ACLJOBITEMJOBITEM_H