Chris@119: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@119: 
Chris@119: /*
Chris@119:     EasyMercurial
Chris@119: 
Chris@119:     Based on HgExplorer by Jari Korhonen
Chris@119:     Copyright (c) 2010 Jari Korhonen
Chris@244:     Copyright (c) 2011 Chris Cannam
Chris@244:     Copyright (c) 2011 Queen Mary, University of London
Chris@119:     
Chris@119:     This program is free software; you can redistribute it and/or
Chris@119:     modify it under the terms of the GNU General Public License as
Chris@119:     published by the Free Software Foundation; either version 2 of the
Chris@119:     License, or (at your option) any later version.  See the file
Chris@119:     COPYING included with this distribution for more information.
Chris@119: */
Chris@119: 
Chris@119: #include "changesetscene.h"
Chris@119: #include "changesetitem.h"
Chris@141: #include "uncommitteditem.h"
Chris@397: #include "debug.h"
Chris@397: 
Chris@397: #include <QPainter>
Chris@397: 
Chris@119: 
Chris@119: ChangesetScene::ChangesetScene()
Chris@397:     // Supply a non-NULL but trivial scene rect to inhibit automatic
Chris@397:     // updates from QGraphicsScene, because we will set the rect
Chris@397:     // explicitly in itemAddCompleted
Chris@397:     : QGraphicsScene(QRectF(0, 0, 1, 1)), m_detailShown(0)
Chris@119: {
Chris@119: }
Chris@119: 
Chris@119: void
Chris@141: ChangesetScene::addChangesetItem(ChangesetItem *item)
Chris@141: {
Chris@141:     addItem(item);
Chris@141: 
Chris@141:     connect(item, SIGNAL(detailShown()),
Chris@141:             this, SLOT(changesetDetailShown()));
Chris@141: 
Chris@168:     connect(item, SIGNAL(detailHidden()),
Chris@168:             this, SLOT(changesetDetailHidden()));
Chris@168: 
Chris@141:     connect(item, SIGNAL(updateTo(QString)),
Chris@141:             this, SIGNAL(updateTo(QString)));
Chris@141: 
Chris@141:     connect(item, SIGNAL(diffToCurrent(QString)),
Chris@141:             this, SIGNAL(diffToCurrent(QString)));
Chris@141: 
Chris@148:     connect(item, SIGNAL(diffToParent(QString, QString)),
Chris@148:             this, SIGNAL(diffToParent(QString, QString)));
Chris@141: 
Chris@289:     connect(item, SIGNAL(showSummary(Changeset *)),
Chris@289:             this, SIGNAL(showSummary(Changeset *)));
Chris@288: 
Chris@141:     connect(item, SIGNAL(mergeFrom(QString)),
Chris@141:             this, SIGNAL(mergeFrom(QString)));
Chris@141: 
Chris@278:     connect(item, SIGNAL(newBranch(QString)),
Chris@278:             this, SIGNAL(newBranch(QString)));
Chris@278: 
Chris@514:     connect(item, SIGNAL(closeBranch(QString)),
Chris@514:             this, SIGNAL(closeBranch(QString)));
Chris@514: 
Chris@141:     connect(item, SIGNAL(tag(QString)),
Chris@141:             this, SIGNAL(tag(QString)));
Chris@141: }
Chris@141: 
Chris@141: void
Chris@141: ChangesetScene::addUncommittedItem(UncommittedItem *item)
Chris@141: {
Chris@141:     addItem(item);
Chris@141:     
Chris@141:     connect(item, SIGNAL(commit()),
Chris@141:             this, SIGNAL(commit()));
Chris@141:     
Chris@141:     connect(item, SIGNAL(revert()),
Chris@141:             this, SIGNAL(revert()));
Chris@141:     
Chris@141:     connect(item, SIGNAL(diff()),
Chris@141:             this, SIGNAL(diffWorkingFolder()));
Chris@153: 
Chris@168:     connect(item, SIGNAL(showSummary()),
Chris@168:             this, SIGNAL(showSummary()));
Chris@168: 
Chris@153:     connect(item, SIGNAL(showWork()),
Chris@153:             this, SIGNAL(showWork()));
Chris@311: 
Chris@311:     connect(item, SIGNAL(newBranch()),
Chris@311:             this, SIGNAL(newBranch()));
Chris@311: 
Chris@311:     connect(item, SIGNAL(noBranch()),
Chris@311:             this, SIGNAL(noBranch()));
Chris@311: 
Chris@141: }
Chris@141: 
Chris@141: void
Chris@397: ChangesetScene::addDateRange(QString label, int minrow, int nrows, bool even)
Chris@168: {
Chris@397:     DateRange dr;
Chris@397:     dr.label = label;
Chris@397:     dr.minrow = minrow;
Chris@397:     dr.nrows = nrows;
Chris@397:     dr.even = even;
Chris@397:     m_dateRanges[minrow] = dr;
Chris@397: }
Chris@168: 
Chris@397: void
Chris@397: ChangesetScene::itemAddCompleted()
Chris@397: {
Chris@402:     connect(this, SIGNAL(changed(const QList<QRectF> &)),
Chris@402:             this, SLOT(recalculateSceneRect()));
Chris@402:     recalculateSceneRect();
Chris@402: }
Chris@402: 
Chris@402: void
Chris@402: ChangesetScene::recalculateSceneRect()
Chris@402: {
Chris@402:     QRectF existingSr = sceneRect();
Chris@402: 
Chris@397:     QRectF r = itemsBoundingRect();
Chris@397:     float minwidth = 300; //!!!
Chris@402:     DEBUG << "ChangesetScene::recalculateSceneRect: minwidth = " << minwidth
Chris@397:           << ", r = " << r << endl;
Chris@397:     if (r.width() < minwidth) {
Chris@397:         float edgediff = (minwidth - r.width()) / 2;
Chris@397:         r.setLeft(r.left() - edgediff);
Chris@397:         r.setRight(r.right() + edgediff);
Chris@397:     }
Chris@402:     DEBUG << "ChangesetScene::recalculateSceneRect: r now is " << r << endl;
Chris@402: 
Chris@402:     setSceneRect(r.united(existingSr));
Chris@168: }
Chris@168: 
Chris@168: void
Chris@119: ChangesetScene::changesetDetailShown()
Chris@119: {
Chris@119:     ChangesetItem *csi = qobject_cast<ChangesetItem *>(sender());
Chris@119:     if (!csi) return;
Chris@119: 
Chris@124:     if (m_detailShown && m_detailShown != csi) {
Chris@119: 	m_detailShown->hideDetail();
Chris@119:     }
Chris@119:     m_detailShown = csi;
Chris@119: }
Chris@119: 
Chris@168: void
Chris@168: ChangesetScene::changesetDetailHidden()
Chris@168: {
Chris@168:     m_detailShown = 0;
Chris@401:     itemAddCompleted();
Chris@168: }
Chris@168: 
Chris@168: void
Chris@397: ChangesetScene::drawBackground(QPainter *paint, const QRectF &rect)
Chris@168: {
Chris@397:     QGraphicsScene::drawBackground(paint, rect);
Chris@168: }
Chris@397:         
Chris@168: 
Chris@281: ChangesetItem *
Chris@281: ChangesetScene::getItemById(QString id)
Chris@281: {
Chris@281:     foreach (QGraphicsItem *it, items()) {
Chris@281:         ChangesetItem *csit = dynamic_cast<ChangesetItem *>(it);
Chris@281:         if (csit && csit->getId() == id) return csit;
Chris@281:     }
Chris@288:     return 0;
Chris@281: }
Chris@281: 
Chris@281: