/* * Copyright (C) 2010 Ixonos Plc. * * This file is part of fosdem-schedule. * * fosdem-schedule 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. * * fosdem-schedule 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 * fosdem-schedule. If not, see . */ #include "delegate.h" #include "eventmodel.h" #include #include #include #include "room.h" const int RADIUS = 10; const int SPACER = 10; const double scaleFactor1 = 0.4; const double scaleFactor2 = 0.8; Delegate::Delegate(QTreeView *aParent) : QItemDelegate(aParent) , mViewPtr(aParent) { mControls.clear(); defineControls(); } Delegate::~Delegate() { QListIterator i(mControls.keys()); while (i.hasNext()) { delete mControls[i.next()]->image(); } } void Delegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const { if(!mViewPtr) return; painter->save(); QColor bkgrColor = Qt::cyan; //QColor bkgrColor = QColor(0xAA,0xAA,0xAA); QColor conflictColor = Qt::yellow; QPen borderPen(bkgrColor.darker()); if(hasParent(index)) { // entry horisontal layout: // * spacer (aka y position of image) // * image // * rest is text, which is 1 line of title with big letters and 2 lines of Presenter and Track int aux = option.rect.height() - SPACER - mControls[FavouriteControlOn]->image()->height(); Event *event = static_cast(index.internalPointer()); // font SMALL QFont fontSmall = option.font; fontSmall.setBold(false); fontSmall.setPixelSize(aux*0.2); QFontMetrics fmSmall(fontSmall); // font SMALL bold QFont fontSmallB = fontSmall; fontSmallB.setBold(true); QFontMetrics fmSmallB(fontSmallB); // font BIG QFont fontBig = option.font; fontBig.setBold(false); fontBig.setPixelSize(aux*0.33); QFontMetrics fmBig(fontBig); // font BIG bold QFont fontBigB = fontBig; fontBigB.setBold(true); QFontMetrics fmBigB(fontBigB); //int spacer = (fmSmall.boundingRect("999").width() < SPACER) ? SPACER : fmSmall.boundingRect("999").width(); //Time conflicts are colored differently if(event->hasTimeConflict()) bkgrColor = conflictColor; QLinearGradient itemGradient(option.rect.topLeft(), option.rect.bottomLeft()); itemGradient.setColorAt(0.0, Qt::white); itemGradient.setColorAt(0.25, bkgrColor); itemGradient.setColorAt(0.5, bkgrColor); itemGradient.setColorAt(0.75, bkgrColor); itemGradient.setColorAt(1.0, Qt::white); if(isLast(index)) { QPainterPath endPath; endPath.moveTo(option.rect.topLeft()); endPath.lineTo(option.rect.bottomLeft()-QPoint(0, RADIUS)); endPath.arcTo(option.rect.left(), option.rect.bottom()-2*RADIUS, 2*RADIUS, 2*RADIUS, 180, 90); endPath.lineTo(option.rect.bottomRight()-QPoint(RADIUS, 0)); endPath.arcTo(option.rect.right()-2*RADIUS, option.rect.bottom()-2*RADIUS, 2*RADIUS, 2*RADIUS, 270, 90); endPath.lineTo(option.rect.topRight()); //painter->setBrush( bkgrColor ); painter->setBrush(itemGradient); painter->setPen(borderPen); painter->drawPath(endPath); painter->setFont(option.font); } else // middle elements { //painter->setBrush( bkgrColor ); painter->setBrush(itemGradient); painter->setPen(Qt::NoPen); painter->drawRect(option.rect); painter->setPen(borderPen); // vertical lines painter->drawLine(option.rect.topLeft(), option.rect.bottomLeft()); painter->drawLine(option.rect.topRight(), option.rect.bottomRight()); // horizontal lines painter->drawLine(option.rect.bottomLeft(), option.rect.bottomRight()); painter->setFont(option.font); } // draw Controls foreach(Control* c, mControls.values()) { c->setEnabled(false); } if(event->isFavourite()) mControls[FavouriteControlOn]->paint(painter, option.rect); else mControls[FavouriteControlOff]->paint(painter, option.rect); #ifdef MAEMO if(event->hasAlarm()) mControls[AlarmControlOn]->paint(painter, option.rect); else mControls[AlarmControlOff]->paint(painter, option.rect); #endif if (event->room()->hasMap()) mControls[MapControl]->paint(painter, option.rect); if(event->hasTimeConflict()) mControls[WarningControl]->paint(painter, option.rect); // draw texts // it starts just below the image // ("position of text" is lower-left angle of the first letter, // so the first line is actually at the same height as the image) QPointF titlePointF(option.rect.x() + SPACER, option.rect.y() + SPACER + mControls[FavouriteControlOn]->image()->height()); QTime start = event->start().time(); painter->setFont(fontBig); painter->drawText(titlePointF,start.toString("hh:mm") + "-" + start.addSecs(event->duration()).toString("hh:mm") + ", " + event->roomName()); // title titlePointF.setY(titlePointF.y()+fmBig.height()-fmBig.descent()); painter->setFont(fontBigB); QString title = event->title(); if(fmBigB.boundingRect(title).width() > (option.rect.width()-2*SPACER)) // the title won't fit the screen { // chop words from the end while( (fmBigB.boundingRect(title + "...").width() > (option.rect.width()-2*SPACER)) && !title.isEmpty()) { title.chop(1); // chop characters one-by-one from the end while( (!title.at(title.length()-1).isSpace()) && !title.isEmpty()) { title.chop(1); } } title += "..."; } painter->drawText(titlePointF,title); // persons titlePointF.setY(titlePointF.y()+fmSmall.height()-fmSmall.descent()); painter->setFont(fontSmall); painter->drawText(titlePointF,"Presenter(s): " + event->persons().join(" and ")); // track titlePointF.setY(titlePointF.y()+fmSmall.height()-fmSmall.descent()); painter->drawText(titlePointF,"Track: " + Track::retrieveTrackName(event->trackId())); } else // doesn't have parent - time-groups' elements (top items) { QFont fontSmall = option.font; fontSmall.setBold(true); fontSmall.setPixelSize(option.rect.height()*scaleFactor1); QFontMetrics fmSmall(fontSmall); QFont fontBig = option.font; fontBig.setBold(true); fontBig.setPixelSize(option.rect.height()*scaleFactor2); QFontMetrics fmBig(fontBig); int spacer = (fmSmall.boundingRect("999").width() < SPACER) ? SPACER : fmSmall.boundingRect("999").width(); QLinearGradient titleGradient(option.rect.topLeft(), option.rect.topRight()); //titleGradient.setColorAt(0.0, Qt::white); titleGradient.setColorAt(0.0, bkgrColor); titleGradient.setColorAt(0.5, Qt::white); titleGradient.setColorAt(1.0, bkgrColor); QPainterPath titlePath; if(isExpanded(index)) { titlePath.moveTo(option.rect.bottomLeft()); titlePath.lineTo(option.rect.topLeft()+QPoint(0, RADIUS)); titlePath.arcTo(option.rect.left(), option.rect.top(), 2*RADIUS, 2*RADIUS, 180, -90); titlePath.lineTo(option.rect.topRight()-QPoint(RADIUS, 0)); titlePath.arcTo(option.rect.right()-2*RADIUS, option.rect.top(), 2*RADIUS, 2*RADIUS, 90, -90); titlePath.lineTo(option.rect.bottomRight()); titlePath.closeSubpath(); } else { titlePath.lineTo(option.rect.topLeft()+QPoint(0, RADIUS)); titlePath.arcTo(option.rect.left(), option.rect.top(), 2*RADIUS, 2*RADIUS, 180, -90); titlePath.lineTo(option.rect.topRight()-QPoint(RADIUS, 0)); titlePath.arcTo(option.rect.right()-2*RADIUS, option.rect.top(), 2*RADIUS, 2*RADIUS, 90, -90); titlePath.lineTo(option.rect.bottomRight()-QPoint(0, RADIUS)); titlePath.arcTo(option.rect.right()-2*RADIUS, option.rect.bottom()-2*RADIUS, 2*RADIUS, 2*RADIUS, 0, -90); titlePath.lineTo(option.rect.bottomLeft()+QPoint(RADIUS, 0)); titlePath.arcTo(option.rect.left(), option.rect.bottom()-2*RADIUS, 2*RADIUS, 2*RADIUS, 270, -90); titlePath.closeSubpath(); } painter->setBrush(titleGradient); painter->setPen(borderPen); painter->drawPath(titlePath); // draw icons painter->setFont(fontSmall); QImage *image = mControls[FavouriteControlOn]->image(); QPoint drawPoint = option.rect.topRight() - QPoint( spacer + image->width(), - option.rect.height()/2 + image->height()/2); painter->drawImage(drawPoint,*image); painter->drawText(drawPoint+QPoint(image->width()+2, image->height() - 2), QString::number(numberOfFavourities(index))); #ifdef MAEMO drawPoint.setX(drawPoint.x() - spacer - image->width()); painter->drawImage(drawPoint,*mControls[AlarmControlOn]->image()); painter->drawText(drawPoint+QPoint(image->width()+2, image->height() - 2), QString::number(numberOfAlarms(index))); #endif // draw texts QString numEvents = QString::number(index.model()->rowCount(index)).append("/"); drawPoint.setX(drawPoint.x() - spacer - fmSmall.boundingRect(numEvents).width()); drawPoint.setY(drawPoint.y()+image->height() - 2); painter->drawText(drawPoint,numEvents); QPointF titlePointF = QPoint( option.rect.x()+SPACER, option.rect.y()+option.rect.height()-fmBig.descent()); painter->setFont(fontBig); painter->drawText(titlePointF,qVariantValue(index.data())); } //// HIGHLIGHTING SELECTED ITEM //if (option.state & QStyle::State_Selected) //painter->fillRect(option.rect, option.palette.highlight()); painter->restore(); } QSize Delegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const { Q_UNUSED(option) if (index.internalId() == 0) // time group { return QSize(40,40); } else // event { return QSize(100,100); } } bool Delegate::hasParent( const QModelIndex &index ) const { if( index.parent().isValid() ) return true; else return false; } bool Delegate::isLast( const QModelIndex &index ) const { if(!hasParent(index)) return false; // what should be returned here? if(index.row() >= (index.model()->rowCount(index.parent())-1)) return true; else return false; } bool Delegate::isExpanded( const QModelIndex &index ) const { if( !mViewPtr ) return false; else return mViewPtr->isExpanded( index ); } Delegate::ControlId Delegate::whichControlClicked(const QModelIndex &aIndex, const QPoint &aPoint) const { if(!hasParent(aIndex)) // time-group item (root item) return ControlNone; QListIterator i(mControls.keys()); while (i.hasNext()) { ControlId id = i.next(); Control *control = mControls[id]; if (control->enabled() and control->drawRect(static_cast(parent())->visualRect(aIndex)).contains(aPoint)) { return id; } } return ControlNone; } Delegate::Control::Control(ControlId aControlId, const QString &aImageName, const Control* prev_control) : mId(aControlId) , mImage(new QImage(aImageName)) , mDrawPoint(QPoint(0,0)) , mEnabled(false) { QPoint p; if (prev_control == NULL) { p = QPoint(0, SPACER); } else { p = prev_control->drawPoint(); } p.setX(p.x()-image()->width()-SPACER); setDrawPoint(p); } void Delegate::Control::paint(QPainter* painter, const QRect rect) { painter->drawImage(drawPoint(rect),*image()); setEnabled(true); } void Delegate::defineControls() { // FAVOURITE ICONs // on mControls.insert(FavouriteControlOn, new Control(FavouriteControlOn, QString(":icons/favourite-onBig.png"), NULL)); // off mControls.insert(FavouriteControlOff, new Control(FavouriteControlOff, QString(":icons/favourite-offBig.png"), NULL)); #ifdef MAEMO // ALARM ICONs // on mControls.insert(AlarmControlOn, new Control(AlarmControlOn, QString(":icons/alarm-onBig.png"), mControls[FavouriteControlOn])); // off mControls.insert(AlarmControlOff, new Control(AlarmControlOff, QString(":icons/alarm-offBig.png"), mControls[FavouriteControlOff])); // MAP ICON mControls.insert(MapControl, new Control(MapControl, QString(":icons/compassBig.png"), mControls[AlarmControlOn])); #else // MAP ICON mControls.insert(MapControl, new Control(MapControl, QString(":icons/compassBig.png"), mControls[FavouriteControlOn])); #endif // WARNING ICON mControls.insert(WarningControl, new Control(WarningControl, QString(":icons/exclamation.png"), mControls[MapControl])); } bool Delegate::isPointFromRect(const QPoint &aPoint, const QRect &aRect) const { if( (aPoint.x()>=aRect.left() && aPoint.x()<=aRect.right()) && (aPoint.y()>=aRect.top() && aPoint.y()<=aRect.bottom()) ) return true; return false; } int Delegate::numberOfFavourities(const QModelIndex &index) const { if(index.parent().isValid()) // it's event, not time-group return 0; int nrofFavs = 0; for(int i=0; irowCount(index); i++) if(static_cast(index.child(i,0).internalPointer())->isFavourite()) nrofFavs++; return nrofFavs; } int Delegate::numberOfAlarms(const QModelIndex &index) const { if(index.parent().isValid()) // it's event, not time-group return 0; int nrofAlarms = 0; for(int i=0; irowCount(index); i++) if(static_cast(index.child(i,0).internalPointer())->hasAlarm()) nrofAlarms++; return nrofAlarms; }