Update GPL blurb in source files.
[toast/confclerk.git] / src / mvc / delegate.cpp
index 507fae4..54ab046 100644 (file)
@@ -1,11 +1,35 @@
+/*
+ * Copyright (C) 2010 Ixonos Plc.
+ *
+ * This file is part of ConfClerk.
+ *
+ * ConfClerk 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.
+ *
+ * ConfClerk 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
+ * ConfClerk.  If not, see <http://www.gnu.org/licenses/>.
+ */
 #include "delegate.h"
 #include "eventmodel.h"
+#include <track.h>
 
 #include <QDebug>
 #include <QPainter>
 
+#include "room.h"
+
 const int RADIUS = 10;
-const int SPACER = RADIUS;
+const int SPACER = 10;
+
+const double scaleFactor1 = 0.4;
+const double scaleFactor2 = 0.8;
 
 Delegate::Delegate(QTreeView *aParent)
     : QItemDelegate(aParent)
@@ -30,18 +54,54 @@ void Delegate::paint(QPainter *painter, const QStyleOptionViewItem &option, cons
         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<Event*>(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))
         {
-            QLinearGradient lastGradient(option.rect.topLeft(), option.rect.bottomLeft());
-            lastGradient.setColorAt(0.0, Qt::white);
-            lastGradient.setColorAt(0.5, bkgrColor);
-            lastGradient.setColorAt(1.0, Qt::white);
-
             QPainterPath endPath;
             endPath.moveTo(option.rect.topLeft());
             endPath.lineTo(option.rect.bottomLeft()-QPoint(0, RADIUS));
@@ -51,7 +111,7 @@ void Delegate::paint(QPainter *painter, const QStyleOptionViewItem &option, cons
             endPath.lineTo(option.rect.topRight());
 
             //painter->setBrush( bkgrColor );
-            painter->setBrush(lastGradient);
+            painter->setBrush(itemGradient);
             painter->setPen(borderPen);
             painter->drawPath(endPath);
 
@@ -59,16 +119,8 @@ void Delegate::paint(QPainter *painter, const QStyleOptionViewItem &option, cons
         }
         else // middle elements
         {
-
-            QLinearGradient middleGradient(option.rect.topLeft(), option.rect.bottomLeft());
-            middleGradient.setColorAt(0.0, Qt::white);
-            middleGradient.setColorAt(0.25, bkgrColor);
-            middleGradient.setColorAt(0.5, Qt::white);
-            middleGradient.setColorAt(0.75, bkgrColor);
-            middleGradient.setColorAt(1.0, Qt::white);
-
             //painter->setBrush( bkgrColor );
-            painter->setBrush(middleGradient);
+            painter->setBrush(itemGradient);
             painter->setPen(Qt::NoPen);
             painter->drawRect(option.rect);
 
@@ -83,15 +135,74 @@ void Delegate::paint(QPainter *painter, const QStyleOptionViewItem &option, cons
         }
 
         // draw Controls
-        if(static_cast<Event*>(index.internalPointer())->isFavourite())
-            painter->drawImage(mControls[FavouriteControlOn]->drawPoint(option.rect),*mControls[FavouriteControlOn]->image());
+        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
-            painter->drawImage(mControls[FavouriteControlOff]->drawPoint(option.rect),*mControls[FavouriteControlOff]->image());
-        painter->drawImage(mControls[AlarmControlOn]->drawPoint(option.rect),*mControls[AlarmControlOn]->image());
-        painter->drawImage(mControls[MapControl]->drawPoint(option.rect),*mControls[MapControl]->image());
+            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);
@@ -126,24 +237,41 @@ void Delegate::paint(QPainter *painter, const QStyleOptionViewItem &option, cons
         painter->setPen(borderPen);
         painter->drawPath(titlePath);
 
-        QFont font = option.font;
-        font.setBold(true);
-        painter->setFont(font);
+        // 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<QString>(index.data()));
     }
 
     //// HIGHLIGHTING SELECTED ITEM
     //if (option.state & QStyle::State_Selected)
         //painter->fillRect(option.rect, option.palette.highlight());
 
-    // draw title
-    QPointF titlePointF(option.rect.x()+SPACER,option.rect.y()+option.rect.height()-10);
-    QString text;
-    if(index.parent().isValid()) // event
-        text = qVariantValue<QString>(index.data()) + ": " + static_cast<Event*>(index.internalPointer())->title();
-    else // group
-        text = qVariantValue<QString>(index.data());
-    painter->drawText(titlePointF,text);
-
     painter->restore();
 }
 
@@ -153,7 +281,7 @@ QSize Delegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &
 
     if (index.internalId() == 0) // time group
     {
-        return QSize(30,30);
+        return QSize(40,40);
     }
     else // event
     {
@@ -197,51 +325,68 @@ Delegate::ControlId Delegate::whichControlClicked(const QModelIndex &aIndex, con
     while (i.hasNext())
     {
         ControlId id = i.next();
-        if(mControls[id]->drawRect(static_cast<QTreeView*>(parent())->visualRect(aIndex)).contains(aPoint))
+        Control *control = mControls[id];
+        if (control->enabled()
+            and control->drawRect(static_cast<QTreeView*>(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()
 {
-    Control *control;
-    QPoint p(0,0);
     // FAVOURITE ICONs
     // on
-    control = new Control(FavouriteControlOn,QString(":icons/favourite-on.png"));
-    p = QPoint(0,0);
-    p.setX(p.x()-control->image()->width()-SPACER);
-    control->setDrawPoint(p);
-    mControls.insert(FavouriteControlOn,control);
+    mControls.insert(FavouriteControlOn, new Control(FavouriteControlOn, QString(":icons/favourite-onBig.png"), NULL));
     // off
-    control = new Control(FavouriteControlOff,QString(":icons/favourite-off.png"));
-    p = QPoint(0,0);
-    p.setX(p.x()-control->image()->width()-SPACER);
-    control->setDrawPoint(p);
-    mControls.insert(FavouriteControlOff,control);
+    mControls.insert(FavouriteControlOff, new Control(FavouriteControlOff, QString(":icons/favourite-offBig.png"), NULL));
 
+#ifdef MAEMO
     // ALARM ICONs
     // on
-    control = new Control(AlarmControlOn,QString(":icons/alarm-off.png"));
-    p = mControls[FavouriteControlOn]->drawPoint();
-    p.setX(p.x()-control->image()->width()-SPACER);
-    control->setDrawPoint(p);
-    mControls.insert(AlarmControlOn,control);
+    mControls.insert(AlarmControlOn,
+                    new Control(AlarmControlOn, QString(":icons/alarm-onBig.png"), mControls[FavouriteControlOn]));
     // off
-    control = new Control(AlarmControlOff,QString(":icons/alarm-off.png"));
-    p = mControls[FavouriteControlOff]->drawPoint();
-    p.setX(p.x()-control->image()->width()-SPACER);
-    control->setDrawPoint(p);
-    mControls.insert(AlarmControlOff,control);
+    mControls.insert(AlarmControlOff,
+                    new Control(AlarmControlOff, QString(":icons/alarm-offBig.png"), mControls[FavouriteControlOff]));
 
     // MAP ICON
-    control = new Control(MapControl,QString(":icons/compass.png"));
-    p = mControls[AlarmControlOn]->drawPoint();
-    p.setX(p.x()-control->image()->width()-SPACER);
-    control->setDrawPoint(p);
-    mControls.insert(MapControl,control);
+    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
@@ -252,3 +397,29 @@ bool Delegate::isPointFromRect(const QPoint &aPoint, const QRect &aRect) const
     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; i<index.model()->rowCount(index); i++)
+        if(static_cast<Event*>(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; i<index.model()->rowCount(index); i++)
+        if(static_cast<Event*>(index.child(i,0).internalPointer())->hasAlarm())
+            nrofAlarms++;
+
+    return nrofAlarms;
+}
+