Chris@116: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@116: 
Chris@116: /*
Chris@116:     EasyMercurial
Chris@116: 
Chris@116:     Based on HgExplorer by Jari Korhonen
Chris@116:     Copyright (c) 2010 Jari Korhonen
Chris@116:     Copyright (c) 2010 Chris Cannam
Chris@116:     Copyright (c) 2010 Queen Mary, University of London
Chris@116:     
Chris@116:     This program is free software; you can redistribute it and/or
Chris@116:     modify it under the terms of the GNU General Public License as
Chris@116:     published by the Free Software Foundation; either version 2 of the
Chris@116:     License, or (at your option) any later version.  See the file
Chris@116:     COPYING included with this distribution for more information.
Chris@116: */
Chris@116: 
Chris@116: #include "historywidget.h"
Chris@116: 
Chris@119: #include "changesetscene.h"
Chris@116: #include "panned.h"
Chris@116: #include "panner.h"
Chris@116: #include "grapher.h"
Chris@116: #include "debug.h"
Chris@116: 
Chris@116: #include <iostream>
Chris@116: 
Chris@116: #include <QGridLayout>
Chris@116: 
Chris@116: HistoryWidget::HistoryWidget()
Chris@116: {
Chris@116:     m_panned = new Panned;
Chris@116:     m_panner = new Panner;
Chris@116: 
Chris@116:     QGridLayout *layout = new QGridLayout;
Chris@116:     layout->addWidget(m_panned, 0, 0);
Chris@116:     layout->addWidget(m_panner, 0, 1);
Chris@116:     m_panner->setMaximumWidth(80);
Chris@116:     m_panner->connectToPanned(m_panned);
Chris@116: 
Chris@116:     setLayout(layout);
Chris@116: }
Chris@116: 
Chris@116: HistoryWidget::~HistoryWidget()
Chris@116: {
Chris@116:     clearChangesets();
Chris@116: }
Chris@116: 
Chris@116: void HistoryWidget::clearChangesets()
Chris@116: {
Chris@116:     foreach (Changeset *cs, m_changesets) delete cs;
Chris@116:     m_changesets.clear();
Chris@116: }
Chris@116:     
Chris@116: void HistoryWidget::parseLog(QString log)
Chris@116: {
Chris@119:     ChangesetScene *scene = new ChangesetScene();
Chris@116:     Changesets csets = parseChangeSets(log);
Chris@116:     ChangesetItem *tipItem = 0;
Chris@116: 
Chris@116:     if (!csets.empty()) {
Chris@116: 	Grapher g(scene);
Chris@116: 	try {
Chris@116: 	    g.layout(csets);
Chris@116: 	} catch (std::string s) {
Chris@116: 	    std::cerr << "Internal error: Layout failed: " << s << std::endl;
Chris@116: 	}
Chris@116: 	tipItem = g.getItemFor(csets[0]);
Chris@116:     }
Chris@116: 
Chris@116:     QGraphicsScene *oldScene = m_panned->scene();
Chris@116:     m_panned->setScene(scene);
Chris@116:     m_panner->setScene(scene);
Chris@116: 
Chris@116:     if (oldScene) delete oldScene;
Chris@116:     clearChangesets();
Chris@116: 
Chris@116:     m_changesets = csets;
Chris@116: 
Chris@116:     if (tipItem) tipItem->ensureVisible();
Chris@116: }
Chris@116: 
Chris@116: Changesets HistoryWidget::parseChangeSets(QString changeSetsStr)
Chris@116: {
Chris@116:     Changesets csets = Changeset::parseChangesets(changeSetsStr);
Chris@116:     for (int i = 0; i+1 < csets.size(); ++i) {
Chris@116:         Changeset *cs = csets[i];
Chris@116:         if (cs->parents().empty()) {
Chris@116:             QStringList list;
Chris@116:             list.push_back(csets[i+1]->id());
Chris@116:             cs->setParents(list);
Chris@116:         }
Chris@116:     }
Chris@116:     return csets;
Chris@116: }