Chris@117: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@117: 
Chris@117: /*
Chris@117:     EasyMercurial
Chris@117: 
Chris@117:     Based on HgExplorer by Jari Korhonen
Chris@117:     Copyright (c) 2010 Jari Korhonen
Chris@117:     Copyright (c) 2010 Chris Cannam
Chris@117:     Copyright (c) 2010 Queen Mary, University of London
Chris@117:     
Chris@117:     This program is free software; you can redistribute it and/or
Chris@117:     modify it under the terms of the GNU General Public License as
Chris@117:     published by the Free Software Foundation; either version 2 of the
Chris@117:     License, or (at your option) any later version.  See the file
Chris@117:     COPYING included with this distribution for more information.
Chris@117: */
Chris@117: 
Chris@117: #include "changesetdetailitem.h"
Chris@117: #include "changeset.h"
Chris@117: #include "textabbrev.h"
Chris@117: #include "colourset.h"
Chris@117: #include "debug.h"
Chris@118: #include "common.h"
Chris@117: 
Chris@118: #include <QTextDocument>
Chris@117: #include <QPainter>
Chris@117: 
Chris@117: ChangesetDetailItem::ChangesetDetailItem(Changeset *cs) :
Chris@118:     m_changeset(cs), m_doc(0)
Chris@117: {
Chris@117:     m_font = QFont();
Chris@117:     m_font.setPixelSize(11);
Chris@117:     m_font.setBold(false);
Chris@117:     m_font.setItalic(false);
Chris@118: 
Chris@118:     makeDocument();
Chris@118: }
Chris@118: 
Chris@118: ChangesetDetailItem::~ChangesetDetailItem()
Chris@118: {
Chris@118:     delete m_doc;
Chris@117: }
Chris@117: 
Chris@117: QRectF
Chris@117: ChangesetDetailItem::boundingRect() const
Chris@117: {
Chris@118:     int w = 350;
Chris@118:     m_doc->setTextWidth(w);
Chris@118:     return QRectF(0, -10, w, m_doc->size().height() + 10);
Chris@117: }
Chris@117: 
Chris@117: void
Chris@117: ChangesetDetailItem::paint(QPainter *paint,
Chris@117: 			   const QStyleOptionGraphicsItem *option,
Chris@117: 			   QWidget *w)
Chris@117: {
Chris@117:     paint->save();
Chris@117:     
Chris@117:     ColourSet *colourSet = ColourSet::instance();
Chris@117:     QColor branchColour = colourSet->getColourFor(m_changeset->branch());
Chris@117:     QColor userColour = colourSet->getColourFor(m_changeset->author());
Chris@117: 
Chris@117:     QFont f(m_font);
Chris@117: 
Chris@117:     QTransform t = paint->worldTransform();
Chris@117:     float scale = std::min(t.m11(), t.m22());
Chris@117:     if (scale > 1.0) {
Chris@117: 	int ps = int((f.pixelSize() / scale) + 0.5);
Chris@117: 	if (ps < 8) ps = 8;
Chris@117: 	f.setPixelSize(ps);
Chris@117:     }
Chris@117: 
Chris@117:     if (scale < 0.1) {
Chris@117: 	paint->setPen(QPen(branchColour, 0));
Chris@117:     } else {
Chris@117: 	paint->setPen(QPen(branchColour, 2));
Chris@117:     }
Chris@117: 
Chris@117:     paint->setFont(f);
Chris@117:     QFontMetrics fm(f);
Chris@117:     int fh = fm.height();
Chris@117: 
Chris@117:     int width = 350;
Chris@118:     m_doc->setTextWidth(width);
Chris@118:     int height = m_doc->size().height();
Chris@117: 
Chris@117:     QRectF r(0.5, 0.5, width - 1, height - 1);
Chris@117:     paint->setBrush(Qt::white);
Chris@117:     paint->drawRect(r);
Chris@117: 
Chris@117:     if (scale < 0.1) {
Chris@117: 	paint->restore();
Chris@117: 	return;
Chris@117:     }
Chris@118: 
Chris@118:     paint->setBrush(branchColour);
Chris@118:     QVector<QPointF> pts;
Chris@118:     pts.push_back(QPointF(width/2 - 5, 0));
Chris@118:     pts.push_back(QPointF(width/2 + 5, 0));
Chris@118:     pts.push_back(QPointF(width/2, -10));
Chris@118:     pts.push_back(QPointF(width/2 - 5, 0));
Chris@118:     paint->drawPolygon(QPolygonF(pts));
Chris@118: 
Chris@118:     m_doc->drawContents(paint, r);
Chris@118: 
Chris@117: /*
Chris@117:     paint->fillRect(QRectF(x0 + 0.5, 0.5, width - 4, fh - 0.5),
Chris@117: 		    QBrush(userColour));
Chris@117: 
Chris@117:     paint->setPen(QPen(Qt::white));
Chris@117: 
Chris@117:     int wid = width - 5;
Chris@117:     QString person = TextAbbrev::abbreviate(m_changeset->authorName(), fm, wid);
Chris@117:     paint->drawText(x0 + 3, fm.ascent(), person);
Chris@117: 
Chris@117:     paint->setPen(QPen(Qt::black));
Chris@117: 
Chris@117:     if (m_showBranch) {
Chris@117: 	// write branch name
Chris@117: 	f.setBold(true);
Chris@117: 	paint->setFont(f);
Chris@117: 	QString branch = m_changeset->branch();
Chris@117:         if (branch == "") branch = "default";
Chris@117: 	int wid = width - 3;
Chris@117: 	branch = TextAbbrev::abbreviate(branch, QFontMetrics(f), wid);
Chris@117: 	paint->drawText(x0, -fh + fm.ascent() - 4, branch);
Chris@117: 	f.setBold(false);
Chris@117:     }
Chris@117: 
Chris@117: //    f.setItalic(true);
Chris@117:     fm = QFontMetrics(f);
Chris@117:     fh = fm.height();
Chris@117:     paint->setFont(f);
Chris@117: 
Chris@117:     wid = width - 5;
Chris@117:     int nlines = (height / fh) - 1;
Chris@117:     if (nlines < 1) nlines = 1;
Chris@117:     comment = TextAbbrev::abbreviate(comment, fm, wid, TextAbbrev::ElideEnd,
Chris@117: 				     "...", nlines);
Chris@117: 
Chris@117:     QStringList lines = comment.split('\n');
Chris@117:     for (int i = 0; i < lines.size(); ++i) {
Chris@117: 	paint->drawText(x0 + 3, i * fh + fh + fm.ascent(), lines[i].trimmed());
Chris@117:     }
Chris@117:     */
Chris@117:     paint->restore();
Chris@117: }
Chris@118: 
Chris@118: void
Chris@118: ChangesetDetailItem::makeDocument()
Chris@118: {
Chris@118:     delete m_doc;
Chris@118: 
Chris@118:     QString description;
Chris@118:     QString rowTemplate = "<tr><td><b>%1</b></td><td>%2</td></tr>";
Chris@118: 
Chris@118:     description = "<qt><table border=0>";
Chris@118: 
Chris@118:     QString comment = m_changeset->comment().trimmed();
Chris@118:     comment = comment.replace(QRegExp("^\""), "");
Chris@118:     comment = comment.replace(QRegExp("\"$"), "");
Chris@118:     comment = comment.replace("\\\"", "\"");
Chris@118:     comment = xmlEncode(comment);
Chris@118:     comment = comment.replace("\\n", "<br>");
Chris@118: 
Chris@118:     QStringList propNames, propTexts;
Chris@118:     
Chris@118:     propNames << "id"
Chris@118: 	      << "author"
Chris@118: 	      << "datetime"
Chris@118: 	      << "branch"
Chris@118: 	      << "tag"
Chris@118: 	      << "comment";
Chris@118: 
Chris@118:     propTexts << QObject::tr("Identifier")
Chris@118: 	      << QObject::tr("Author")
Chris@118: 	      << QObject::tr("Date")
Chris@118: 	      << QObject::tr("Branch")
Chris@118: 	      << QObject::tr("Tag")
Chris@118: 	      << QObject::tr("Comment");
Chris@118: 
Chris@118:     for (int i = 0; i < propNames.size(); ++i) {
Chris@118: 	QString prop = propNames[i];
Chris@118: 	QString value;
Chris@118: 	if (prop == "comment") value = comment;
Chris@118: 	else {
Chris@118: 	    value = xmlEncode(m_changeset->property
Chris@118: 			      (prop.toLocal8Bit().data()).toString());
Chris@118: 	}
Chris@118: 	if (value != "") {
Chris@118: 	    description += rowTemplate
Chris@118: 		.arg(xmlEncode(propTexts[i]))
Chris@118: 		.arg(value);
Chris@118: 	}
Chris@118:     }
Chris@118: 
Chris@118:     description += "</table></qt>";
Chris@118: 
Chris@118:     DEBUG << "ChangesetDetailItem: description = " << description << endl;
Chris@118: 
Chris@118:     m_doc = new QTextDocument;
Chris@118:     m_doc->setHtml(description);
Chris@118: }
Chris@118: