+/*

+ * Copyright (c) 2010 Kevin Smith

+ * Licensed under the GNU General Public License v3.

+ * See Documentation/Licenses/GPLv3.txt for more information.

+ */

+

+#include "GroupItemDelegate.h"

+

+#include <QPainter>

+#include <QPen>

+

+namespace Swift {

+

+GroupItemDelegate::GroupItemDelegate() : groupFont_(QApplication::font()) {

+ groupFont_.setPointSize(common_.nameFont.pointSize() - common_.detailFontSizeDrop);

+ groupFont_.setWeight(QFont::Bold);

+}

+

+QSize GroupItemDelegate::sizeHint(const QStyleOptionViewItem& /*option*/, const QModelIndex& /*index*/) const {

+ QFontMetrics groupMetrics(groupFont_);

+ return QSize(150, groupMetrics.height() + 4);

+}

+

+void GroupItemDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option, const QString& name, int rowCount, bool expanded) const {

+ painter->save();

+ painter->setPen(QPen(QColor(189, 189, 189)));

+ //FIXME: It looks like Qt is passing us a rectangle that's too small

+ //This deliberately draws outside the lines, and we need to find a better solution.

+ int correctionAmount = groupCornerRadius_ > 0 ? 0 : 1;

+ QRect region(QPoint(option.rect.left() - correctionAmount, option.rect.top()), QSize(option.rect.width() + correctionAmount, option.rect.height() - common_.verticalMargin));

+ QLinearGradient fillGradient(region.topLeft(), region.bottomLeft());

+ fillGradient.setColorAt(0, QColor(244, 244, 244));

+ fillGradient.setColorAt(0.1, QColor(231, 231, 231));

+ fillGradient.setColorAt(1, QColor(209, 209, 209));

+

+ QBrush backgroundBrush = QBrush(fillGradient);

+ QPainterPath fillPath;

+ fillPath.addRoundedRect(region, groupCornerRadius_, groupCornerRadius_);

+ QPainterPath linePath;

+ linePath.addRoundedRect(region, groupCornerRadius_, groupCornerRadius_);

+ painter->fillPath(fillPath, backgroundBrush);

+ painter->drawPath(linePath);

+

+ double triangleWidth = 9;

+ double triangleHeight = 5;

+ paintExpansionTriangle(painter, region.adjusted(common_.horizontalMargin + 1, 0, 0, 0), triangleWidth, triangleHeight, expanded);

+

+ int textLeftOffset = 3 * common_.horizontalMargin + 1 + triangleWidth;

+ QFontMetrics fontMetrics(groupFont_);

+ int textTopOffset = (option.rect.height() - fontMetrics.height()) / 2;

+ painter->setFont(groupFont_);

+ int contactCountWidth = 0;

+ QRect textRect = region.adjusted(textLeftOffset, textTopOffset, -1 * textLeftOffset, -1 * textTopOffset);

+

+ if (!expanded) {

+ QFontMetrics groupMetrics(groupFont_);

+ int contactCount = rowCount;

+ QString countString = QString("%1").arg(contactCount);

+ contactCountWidth = groupMetrics.width(countString) + 2 * common_.horizontalMargin;

+ int offsetAmount = textRect.width() - contactCountWidth + common_.horizontalMargin;

+ QRect countRect = textRect.adjusted(offsetAmount, 0, 0/*-1 * offsetAmount*/, 0);

+ //qDebug() << "Painting count string " << countString << " at " << countRect << " from offset " << offsetAmount;

+ paintShadowText(painter, countRect, countString);

+ }

+ QRect nameTextRect = textRect.adjusted(0, 0, contactCountWidth, 0);

+ paintShadowText(painter, nameTextRect, name);

+ painter->restore();

+}

+

+void GroupItemDelegate::paintExpansionTriangle(QPainter* painter, const QRect& region, int width, int height, bool expanded) const {

+ QBrush triangleBrush(QColor(110, 110, 110));

+ QBrush triangleShadowBrush(QColor(47, 47, 47));

+ QPainterPath trianglePath;

+ QPainterPath triangleShadowPath;

+ QPolygonF triangle;

+ QPolygonF triangleShadow;

+ QPointF triangleTopLeft(region.left(), region.top() + region.height() / 2 - height / 2);

+ QPointF shadowOffset(0,-1);

+ QPointF trianglePoint2;

+ QPointF trianglePoint3;

+

+ if (expanded) {

+ triangleTopLeft += QPoint(0, 1);

+ trianglePoint2 = triangleTopLeft + QPointF(width, 0);

+ trianglePoint3 = trianglePoint2 + QPointF(-1 * (width / 2), height);

+ //qDebug() << "Plotting expanded" << triangleTopLeft << ", " << trianglePoint2 << ", " << trianglePoint3;

+ } else {

+ trianglePoint2 = triangleTopLeft + QPointF(0, width);

+ trianglePoint3 = trianglePoint2 + QPointF(height, -1 * (width / 2));

+ //qDebug() << "Plotting collapsed" << triangleTopLeft << ", " << trianglePoint2 << ", " << trianglePoint3;

+ }

+ triangle << triangleTopLeft << trianglePoint2 << trianglePoint3 << triangleTopLeft;

+ triangleShadow << triangleTopLeft + shadowOffset << trianglePoint2 + shadowOffset << trianglePoint3 + shadowOffset << triangleTopLeft + shadowOffset;

+

+ trianglePath.addPolygon(triangle);

+ triangleShadowPath.addPolygon(triangleShadow);

+ painter->fillPath(triangleShadowPath, triangleShadowBrush);

+ painter->fillPath(trianglePath, triangleBrush);

+}

+

+void GroupItemDelegate::paintShadowText(QPainter* painter, const QRect& region, const QString& text) const {

+ painter->setPen(QPen(QColor(254, 254, 254)));

+ painter->drawText(region.adjusted(0, 1, 0, 0), Qt::AlignTop, text);

+ painter->setPen(QPen(QColor(115, 115, 115)));

+ painter->drawText(region, Qt::AlignTop, text);

+}

+

+const int GroupItemDelegate::groupCornerRadius_ = 0;

+

+}