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/*
* Copyright (c) 2012 Mateusz Piękos
* Licensed under the simplified BSD license.
* See Documentation/Licenses/BSD-simplified.txt for more information.
*/
#pragma once
#include <Swiften/Whiteboard/Elements/WhiteboardElementVisitor.h>
#include <Swiften/Whiteboard/Elements/WhiteboardLineElement.h>
#include <Swiften/Whiteboard/Elements/WhiteboardPolygonElement.h>
#include <Swiften/Whiteboard/Elements/WhiteboardTextElement.h>
#include <Swiften/Whiteboard/Elements/WhiteboardEllipseElement.h>
#include <Swiften/Whiteboard/Elements/WhiteboardFreehandPathElement.h>
#include <Swift/QtUI/Whiteboard/GView.h>
#include <QtSwiftUtil.h>
namespace Swift {
class WhiteboardElementDrawingVisitor : public WhiteboardElementVisitor {
public:
WhiteboardElementDrawingVisitor(GView* graphicsView, int pos, GView::Type type) : graphicsView_(graphicsView), pos_(pos), type_(type) {}
void visit(WhiteboardLineElement& element) {
QGraphicsLineItem *item;
if (type_ == GView::New) {
item = new QGraphicsLineItem(element.x1(), element.y1(), element.x2(), element.y2());
graphicsView_->addItem(item, P2QSTRING(element.getID()), pos_);
} else {
item = qgraphicsitem_cast<QGraphicsLineItem*>(graphicsView_->getItem(P2QSTRING(element.getID())));
QLineF line(element.x1(), element.y1(), element.x2(), element.y2());
item->setLine(line);
item->setPos(0,0);
graphicsView_->deselect(P2QSTRING(element.getID()));
}
if (item) {
QPen pen;
Color color = element.getColor();
pen.setColor(QColor(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()));
pen.setWidth(element.getPenWidth());
item->setPen(pen);
QString id = P2QSTRING(element.getID());
item->setData(100, id);
}
}
void visit(WhiteboardFreehandPathElement& element) {
FreehandLineItem *item;
if (type_ == GView::New) {
item = new FreehandLineItem;
} else {
item = qgraphicsitem_cast<FreehandLineItem*>(graphicsView_->getItem(P2QSTRING(element.getID())));
item->setPos(0,0);
graphicsView_->deselect(P2QSTRING(element.getID()));
}
if (item) {
QPen pen;
Color color = element.getColor();
pen.setColor(QColor(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()));
pen.setWidth(element.getPenWidth());
item->setPen(pen);
std::vector<std::pair<int, int> >::const_iterator it = element.getPoints().begin();
item->setStartPoint(QPointF(it->first, it->second));
for (++it; it != element.getPoints().end(); ++it) {
item->lineTo(QPointF(it->first, it->second));
}
QString id = P2QSTRING(element.getID());
item->setData(100, id);
}
if (type_ == GView::New) {
graphicsView_->addItem(item, P2QSTRING(element.getID()), pos_);
}
}
void visit(WhiteboardRectElement& element) {
QGraphicsRectItem* item;
if (type_ == GView::New) {
item = new QGraphicsRectItem(element.getX(), element.getY(), element.getWidth(), element.getHeight());
graphicsView_->addItem(item, P2QSTRING(element.getID()), pos_);
} else {
item = qgraphicsitem_cast<QGraphicsRectItem*>(graphicsView_->getItem(P2QSTRING(element.getID())));
QRectF rect(element.getX(), element.getY(), element.getWidth(), element.getHeight());
item->setRect(rect);
item->setPos(0,0);
graphicsView_->deselect(P2QSTRING(element.getID()));
}
if (item) {
QPen pen;
QBrush brush(Qt::SolidPattern);
Color penColor = element.getPenColor();
Color brushColor = element.getBrushColor();
pen.setColor(QColor(penColor.getRed(), penColor.getGreen(), penColor.getBlue(), penColor.getAlpha()));
pen.setWidth(element.getPenWidth());
brush.setColor(QColor(brushColor.getRed(), brushColor.getGreen(), brushColor.getBlue(), brushColor.getAlpha()));
item->setPen(pen);
item->setBrush(brush);
QString id = P2QSTRING(element.getID());
item->setData(100, id);
}
}
void visit(WhiteboardPolygonElement& element) {
QGraphicsPolygonItem* item = qgraphicsitem_cast<QGraphicsPolygonItem*>(graphicsView_->getItem(P2QSTRING(element.getID())));
if (item == 0 && type_ == GView::New) {
item = new QGraphicsPolygonItem();
QString id = P2QSTRING(element.getID());
item->setData(100, id);
graphicsView_->addItem(item, id, pos_);
}
graphicsView_->deselect(P2QSTRING(element.getID()));
QPen pen;
QBrush brush(Qt::SolidPattern);
Color penColor = element.getPenColor();
Color brushColor = element.getBrushColor();
pen.setColor(QColor(penColor.getRed(), penColor.getGreen(), penColor.getBlue(), penColor.getAlpha()));
pen.setWidth(element.getPenWidth());
brush.setColor(QColor(brushColor.getRed(), brushColor.getGreen(), brushColor.getBlue(), brushColor.getAlpha()));
item->setPen(pen);
item->setBrush(brush);
item->setPos(0,0);
QPolygonF polygon;
std::vector<std::pair<int, int> >::const_iterator it = element.getPoints().begin();
for (; it != element.getPoints().end(); ++it) {
polygon.append(QPointF(it->first, it->second));
}
item->setPolygon(polygon);
}
void visit(WhiteboardTextElement& element) {
QGraphicsTextItem* item;
QString id = P2QSTRING(element.getID());
if (type_ == GView::New) {
item = new QGraphicsTextItem;
graphicsView_->addItem(item, id, pos_);
} else {
item = qgraphicsitem_cast<QGraphicsTextItem*>(graphicsView_->getItem(id));
graphicsView_->deselect(P2QSTRING(element.getID()));
}
if (item) {
item->setPlainText(P2QSTRING(element.getText()));
item->setPos(QPointF(element.getX(), element.getY()));
QFont font = item->font();
font.setPointSize(element.getSize());
item->setFont(font);
Color color = element.getColor();
item->setDefaultTextColor(QColor(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()));
item->setData(100, id);
}
}
void visit(WhiteboardEllipseElement& element) {
QRectF rect;
QGraphicsEllipseItem* item;
QString id = P2QSTRING(element.getID());
rect.setTopLeft(QPointF(element.getCX()-element.getRX(), element.getCY()-element.getRY()));
rect.setBottomRight(QPointF(element.getCX()+element.getRX(), element.getCY()+element.getRY()));
if (type_ == GView::New) {
item = new QGraphicsEllipseItem(rect);
graphicsView_->addItem(item, id, pos_);
} else {
item = qgraphicsitem_cast<QGraphicsEllipseItem*>(graphicsView_->getItem(id));
item->setRect(rect);
item->setPos(0,0);
graphicsView_->deselect(P2QSTRING(element.getID()));
}
QPen pen;
QBrush brush(Qt::SolidPattern);
Color penColor = element.getPenColor();
Color brushColor = element.getBrushColor();
pen.setColor(QColor(penColor.getRed(), penColor.getGreen(), penColor.getBlue(), penColor.getAlpha()));
pen.setWidth(element.getPenWidth());
brush.setColor(QColor(brushColor.getRed(), brushColor.getGreen(), brushColor.getBlue(), brushColor.getAlpha()));
item->setPen(pen);
item->setBrush(brush);
item->setData(100, id);
}
private:
GView* graphicsView_;
int pos_;
GView::Type type_;
};
}
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Swift