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version.cpp
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/* --------------------------------------------- */
/* */
/* Copyright (C) 2021 Wolfgang Trummer */
/* Contact: [email protected] */
/* */
/* gvtree V1.8-0 */
/* */
/* git version tree browser */
/* */
/* 28. December 2021 */
/* */
/* This program is licensed under */
/* GNU GENERAL PUBLIC LICENSE */
/* Version 3, 29 June 2007 */
/* */
/* --------------------------------------------- */
#include <QGraphicsScene>
#include <QGraphicsSceneMouseEvent>
#include <QPainter>
#include <QColor>
#include <QStyleOption>
#include <QClipboard>
#include <QApplication>
#include <iostream>
#include <algorithm>
#include "edge.h"
#include "version.h"
#include "graphwidget.h"
#include "tagpreference.h"
#include "mainwindow.h"
QStringList Version::dummy;
Version::Version(GraphWidget* _graphWidget, QGraphicsItem* _parent) :
QGraphicsItem(_parent),
Node(),
graph(_graphWidget),
globalVersionInfo(dummy),
matched(false),
folded(false),
foldable(true),
rootnode(true),
subtreeHidden(false),
blockItemChanged(false),
updateBoundingRect(false),
main(false),
fileConstraint(false),
selected(false),
weight(0),
commitDate(0)
{
// flags
setFlag(ItemSendsGeometryChanges);
// setCacheMode(DeviceCoordinateCache);
setZValue(5);
}
Version::Version(const QStringList& _globalVersionInfo,
GraphWidget* _graphWidget,
QGraphicsItem* _parent) :
QGraphicsItem(_parent),
Node(),
graph(_graphWidget),
globalVersionInfo(_globalVersionInfo),
matched(false),
folded(true),
foldable(true),
rootnode(false),
subtreeHidden(false),
blockItemChanged(false),
updateBoundingRect(false),
main(false),
fileConstraint(false),
selected(false),
weight(0),
commitDate(0)
{
// flags
setFlag(ItemIsMovable);
setFlag(ItemSendsGeometryChanges);
setCacheMode(DeviceCoordinateCache);
folderBox = QRectF(-30, -30, 60, 60);
setZValue(5);
}
void Version::compareToSelected(bool _view)
{
graph->compareToSelected(this, _view);
}
void Version::compareToPrevious(bool _view)
{
graph->compareToPrevious(this, _view);
}
void Version::compareToLocalHead(bool _view)
{
graph->compareToLocalHead(this, _view);
}
void Version::compareToBranchBaseline(bool _view)
{
graph->compareToBranchBaseline(this, _view);
}
void Version::viewThisVersion()
{
graph->viewThisVersion(this);
}
void Version::focusNeighbourBox()
{
graph->displayHits(getNeighbourBox());
}
QList<Version*> Version::getNeighbourBox()
{
// in case of a folder...
if (isFolder() && isFolded())
return linear.front()->getNeighbourBox();
QList<Version*> result;
result.push_back(this);
foreach (const Edge * edge, edgeList)
{
// TODO with or without merge nodes?
if (edge->getMerge())
continue;
Version* v =
dynamic_cast<Version*>(
this == edge->sourceVersion()
? edge->destVersion() : edge->sourceVersion());
if (v)
result.push_back(v);
}
return result;
}
void Version::setBlockItemChanged(bool _val)
{
blockItemChanged = _val;
}
bool Version::getBlockItemChanged() const
{
return blockItemChanged;
}
void Version::setSelected(bool _val)
{
QApplication::clipboard()->setText(_val ? hash : QString(), QClipboard::Selection);
QApplication::clipboard()->setText(_val ? hash : QString(), QClipboard::Clipboard);
if (selected != _val)
{
selected = _val;
adjustEdges();
QTextEdit* t = graph->getMainWindow()->getCompareTreeSelectedLog();
if (_val == false)
{
t->clear();
}
else
{
graph->commitInfo(this, t);
}
}
}
void Version::addInEdge(Edge* _edge)
{
edgeList.append(_edge); // all edges
}
void Version::addOutEdge(Edge* _edge)
{
edgeList.append(_edge); // all edges
if (_edge->getMerge() == false && _edge->sourceVersion() == this)
{
Node::addOutEdge(_edge);
}
}
QRectF Version::boundingRect() const
{
return localBoundingBox;
}
QPainterPath Version::shape() const
{
QPainterPath path;
if (isFolder())
path.addRect(folderBox);
else
{
int rad = getDotRadius();
path.addEllipse(-rad, -rad, 2 * rad, 2 * rad);
}
return path;
}
void Version::paint(QPainter* _painter, const QStyleOptionGraphicsItem* _option, QWidget*)
{
if (getH() == 0)
return;
const qreal lod = _option->levelOfDetailFromTransform(_painter->worldTransform());
if (isFolder())
{
_painter->setPen(QPen(isFolded() ? graph->getFoldedColor() : graph->getUnfoldedColor(), 0));
_painter->drawRect(folderBox);
}
if (subtreeHidden)
{
_painter->setPen(QPen(graph->getEdgeColor(), 3, Qt::DotLine, Qt::RoundCap, Qt::RoundJoin));
_painter->setBrush(graph->getEdgeColor());
_painter->drawLine(0, 0, 0, (graph->getMainWindow()->getTopDownView() ? -1 : 1) * graph->getYFactor() / 3);
}
_painter->setPen(QPen(Qt::black, 0));
int rad = getDotRadius();
if (matched)
{
_painter->setPen(QPen(graph->getSearchColor(), 3, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
_painter->setBrush(graph->getSearchColor().lighter());
_painter->drawEllipse(-rad + 4, -rad + 4, 2 * rad - 8, 2 * rad - 8);
}
else
{
_painter->setPen(QPen(graph->getNodeColor(), 0, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
_painter->setBrush(graph->getNodeColor());
}
// dot is red if selected, blue if it is a merge version and black if normal
if (isSelected())
{
_painter->setPen(QPen(graph->getSelectedColor(), 3, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
_painter->setBrush(graph->getSelectedColor().lighter());
}
_painter->drawEllipse(-rad, -rad, 2 * rad, 2 * rad);
if (lod > 0.3)
{
int height = -10;
bool textborder = graph->getMainWindow()->getTextBorder();
foreach(const QString& info, graph->getMainWindow()->getNodeInfo())
{
if (globalVersionInfo.contains(info)
|| localVersionInfo.contains(info))
{
QMap<QString, QStringList>::const_iterator kit = keyInformation.find(info);
if (kit != keyInformation.end())
{
drawTextBox(info, kit.value(), height, lod, _painter, textborder);
}
}
}
// debug : draw bounding box
//_painter->setPen(QPen(QColor(255, 0, 0), 0));
//_painter->setBrush(QBrush());
//_painter->drawRect(localBoundingBox);
}
}
int Version::getDotRadius() const
{
// if foldd, the relevant geometry is contained in the folder node
// it is needed for the adjustment of the in edges of the folded folder
const Version* v = lookupFoldedFolderVersion();
if (v->getMatched() || v->isSelected())
{
return 20;
}
else
return 10;
}
QVariant Version::itemChange(GraphicsItemChange _change, const QVariant& _value)
{
if (_change == ItemPositionHasChanged && blockItemChanged == false)
adjustEdges();
return QGraphicsItem::itemChange(_change, _value);
}
void Version::adjustEdges()
{
if (isFolder() && isFolded())
{
// in case of a folded folder the version to start adjustment
// is the first folder version
getFolderVersions().front()->adjustEdgesRecurse();
}
else
{
adjustEdgesRecurse();
}
}
void Version::adjustEdgesRecurse()
{
foreach(QGraphicsItem * it, childItems())
{
Version* v = dynamic_cast<Version*>(it);
if (v)
v->adjustEdgesRecurse();
}
foreach (Edge * edge, edgeList)
{
edge->adjust();
}
foreach (Edge * edge, fileConstraintInEdgeList)
{
edge->adjust();
}
foreach (Edge * edge, fileConstraintOutEdgeList)
{
edge->adjust();
}
}
QString Version::getCommitDateString() const
{
return keyInformation.value("Commit Date", QStringList()).join(QString());
}
bool Version::processGitLogInfo(const QString& _input, const QStringList& _parts)
{
// only member, here, all other information is stored in keyInformation
hash = _parts.at(1);
// check if there is new information:
if (keyInformation[QString("_input")].join(QString()) == _input)
return false;
// erase old information
keyInformation.clear();
// store the raw input in the key information, too
keyInformation[QString("_input")] = QStringList(_input);
keyInformation[QString("Hash")] = QStringList(hash);
keyInformation[QString("Commit Date")] =
QStringList(
QDateTime::fromTime_t(_parts.at(2).toInt())
.toString("yyyy.MM.dd HH:mm:ss"));
commitDate = _parts.at(2).toInt();
keyInformation[QString("User Name")] = QStringList(_parts.at(3));
// tag information
processGitLogTagInformation(_parts.at(4));
// commit comment
processGitLogCommentInformation(_parts.at(5));
return true;
}
void Version::updateCommentInformation(int _columns, int _maxlen)
{
QStringList& commentRaw = keyInformation[QString("CommentRaw")];
if (commentRaw.size() == 0)
return;
QString comment = commentRaw.join(" ");
QString info = comment;
if (_maxlen)
{
info = comment.mid(0, _maxlen);
if (comment.size() > _maxlen)
info = info + "...";
}
keyInformation[QString("Comment")] = QStringList();
int len = 0;
QString part;
QStringList tmp = info.split(' ');
foreach (const QString& str, tmp)
{
if (len == 0)
{
part = str;
len = str.size();
}
else if (_columns == 0 || len < _columns)
{
part = part + " " + str;
len += 1 + str.size();
}
if (_columns && len >= _columns)
{
keyInformation[QString("Comment")].push_back(part);
part = QString();
len = 0;
}
}
if (len != 0)
{
keyInformation[QString("Comment")].push_back(part);
}
}
void Version::processGitLogCommentInformation(const QString& _comment)
{
keyInformation[QString("CommentRaw")].push_back(_comment);
int columns, maxlen;
graph->getMainWindow()->getCommentProperties(columns, maxlen);
updateCommentInformation(columns, maxlen);
}
void Version::processGitLogTagInformation(const QString& _tagInfo)
{
int cstart = _tagInfo.indexOf(QChar('(')) + 1;
int cend = _tagInfo.indexOf(QChar(')'));
if (cstart >= 0 && cend >= 0)
{
QStringList matches = _tagInfo.mid(cstart, cend - cstart).split(',');
QStringList tags;
foreach (const QString& str, matches)
{
tags << str.trimmed();
}
QStringList scanItems (QStringList()
<< QString("HEAD")
<< QString("Release Label")
<< QString("Baseline Label")
<< QString("FIX/PQT Label")
<< QString("HO Label")
<< QString("Branch")
<< QString("Other Tags"));
foreach(const QString& it, scanItems)
{
const TagPreference* tp =
graph->getMainWindow()->getTagPreference(it);
if (tp)
{
QRegExp r = tp->getRegExp();
foreach (const QString& str, tags)
{
if (r.indexIn(str, 0) != -1)
{
keyInformation[it].push_back(r.cap(1));
tags.removeOne(str);
}
}
}
}
}
}
bool Version::findMatch(QRegExp& _pattern, const QString& _text, bool _exactMatch, QString _keyConstraint)
{
bool oldmatched = matched;
bool newmatched = false;
QSet<QString> oldLocalVersionInfo = localVersionInfo;
localVersionInfo.clear();
QString rawInput = keyInformation["_input"].join(" ")
+ " " + keyInformation["Commit Date"].join(" ");
bool checkDetail = _pattern.isValid() ? (_pattern.indexIn(rawInput, 0) != -1) :
(rawInput.indexOf(_text, 0) != -1);
if (checkDetail)
{
for (QMap<QString, QStringList>::iterator kit = keyInformation.begin();
kit != keyInformation.end();
kit++)
{
if (kit.key() == QString("_input"))
continue;
if (_keyConstraint.size() && kit.key() != _keyConstraint)
continue;
if (_exactMatch == true)
{
foreach (const QString& str, kit.value())
{
if (_keyConstraint.size() && str == _text)
{
newmatched = true;
if (kit.key() == "CommentRaw")
localVersionInfo.insert("Comment");
else
localVersionInfo.insert(kit.key());
break;
}
}
if (newmatched)
break;
}
else
{
QString tmp = kit.value().join(QString(" "));
if ((_pattern.isValid() && _pattern.indexIn(tmp, 0) != -1)
|| (tmp.indexOf(_text) != -1))
{
newmatched = true;
if (kit.key() == "CommentRaw")
localVersionInfo.insert("Comment");
else
localVersionInfo.insert(kit.key());
}
}
}
}
if (newmatched != oldmatched
|| localVersionInfo != oldLocalVersionInfo)
{
if (newmatched == true)
{
ensureUnfolded();
}
setMatched(newmatched);
}
return matched;
}
void Version::mouseMoveEvent(QGraphicsSceneMouseEvent* _event)
{
if (isRoot())
return;
if (isFolder())
linear.front()->mouseMoveEvent(_event);
else
QGraphicsItem::mouseMoveEvent(_event);
graph->updateFromToInfo();
}
const QString& Version::getHash() const
{
return hash;
}
bool Version::getTextBoundingBox(const QString& _key, const QStringList& _values, int& _height, QRectF& _updatedBox) const
{
const TagPreference* tp = graph->getMainWindow()->getTagPreference(_key);
if (!tp)
return false;
QRectF textbox = QFontMetricsF(tp->getFont()).boundingRect("X");
int hadd = textbox.height() + 1;
foreach(const QString it, _values)
{
textbox = QFontMetricsF(tp->getFont()).boundingRect(it);
_height += hadd;
_updatedBox |= textbox.translated(20, _height).adjusted(0, 0, 20, 0);
}
return true;
}
bool Version::drawTextBox(const QString& _key, const QStringList& _values, int& _height, const qreal& _lod, QPainter* _painter, bool _frame)
{
const TagPreference* tp = graph->getMainWindow()->getTagPreference(_key);
if (!tp)
return false;
QRectF textbox = QFontMetricsF(tp->getFont()).boundingRect("X");
if (textbox.height() * _lod > 7)
{
int hadd = textbox.height() + 1;
foreach(const QString& it, _values)
{
_height += hadd;
textbox = QFontMetricsF(tp->getFont()).boundingRect(it);
_painter->setFont(tp->getFont());
if (_frame)
{
_painter->setPen(QPen(graph->getBackgroundColor(), 0));
_painter->drawText(textbox.translated(19, _height).adjusted(0, 0, 20, 0), Qt::AlignLeft, it);
_painter->drawText(textbox.translated(21, _height).adjusted(0, 0, 20, 0), Qt::AlignLeft, it);
_painter->drawText(textbox.translated(20, _height - 1).adjusted(0, 0, 20, 0), Qt::AlignLeft, it);
_painter->drawText(textbox.translated(20, _height + 1).adjusted(0, 0, 20, 0), Qt::AlignLeft, it);
}
_painter->setPen(QPen(tp->getColor(), 0));
_painter->drawText(textbox.translated(20, _height).adjusted(0, 0, 20, 0), Qt::AlignLeft, it);
}
}
return true;
}
void Version::setMatched(bool _val)
{
if (matched != _val)
{
if (_val == false)
{
localVersionInfo.clear();
}
matched = _val;
adjustEdges();
calculateLocalBoundingBox();
QGraphicsItem::update();
}
}
void Version::addLocalVersionInfo(const QString& _val)
{
localVersionInfo.insert(_val);
}
bool Version::getMatched() const
{
return matched;
}
void Version::calculateLocalBoundingBox()
{
localBoundingBox = folderBox | QRectF(-30, -30, 60, 60);
if (subtreeHidden)
{
localBoundingBox.adjust(0, 0, 0, (graph->getMainWindow()->getTopDownView() ? -1 : 1) * graph->getYFactor() / 3);
}
int height = 0;
foreach(const QString& info, graph->getMainWindow()->getNodeInfo())
{
if (globalVersionInfo.contains(info)
|| localVersionInfo.contains(info))
{
QMap<QString, QStringList>::const_iterator kit = keyInformation.find(info);
if (kit != keyInformation.end())
{
getTextBoundingBox(kit.key(), kit.value(), height, localBoundingBox);
}
}
}
localBoundingBox.adjust(0, 0, 0, 10);
// done
updateBoundingRect = false;
}
void Version::linkTreenodes(Version* _parent)
{
foreach (const Edge * edge, outEdges)
{
if (edge->getMerge() == false)
{
Version* v = dynamic_cast<Version*>(edge->destVersion());
if (v)
{
v->linkTreenodes(this);
}
}
}
if (_parent)
{
setParentItem(_parent);
setPos(QGraphicsItem::pos() - _parent->QGraphicsItem::pos());
}
}
void Version::calculateCoordinates(float _scaleX, float _scaleY)
{
setPos(_scaleX * getX(), _scaleY * getY());
}
int Version::numEdges() const
{
return edgeList.size();
}
Version* Version::lookupBranchBaseline()
{
Version* parent = NULL;
foreach(Edge * it, edgeList)
{
if (it->getMerge() == false
&& it->getInfo() == false
&& it->destVersion() == this)
{
parent = dynamic_cast<Version*>(it->sourceVersion());
break;
}
}
if (parent && parent->hasBranch())
return parent;
if (parent == NULL)
return this;
return parent->lookupBranchBaseline();
}
bool Version::hasBranch() const
{
int i = 0;
foreach (const Edge * edge, outEdges)
{
i += (edge->getInfo() == false && edge->getMerge() == false) ? 1 : 0;
}
return (i > 1);
}
void Version::collectFolderVersions(Version* _rootNode, Version* _parent)
{
if (_parent
&& _parent != _rootNode
&& _parent->getNumOutEdges() == 1
&& (numEdges() - getNumOutEdges() <= 1)
&& _parent->isFoldable()
)
{
addToFolder(_parent);
}
else
{
if (_parent && !_parent->isFolder())
{
_parent->setFolded(false);
}
}
foreach (const Edge * edge, outEdges)
{
Version* next = dynamic_cast<Version*>(edge->destVersion());
if (next)
next->collectFolderVersions(_rootNode, this);
}
}
void Version::addToFolder(Version* _v)
{
linear = _v->getFolderVersions();
linear.push_back(_v);
_v->clearFolderVersions();
_v->setH(0);
if (!isFolded())
updateFolderBox();
}
const QList<Version*>& Version::getFolderVersions() const
{
return linear;
}
void Version::clearFolderVersions()
{
linear.clear();
}
const Version* Version::lookupFoldedFolderVersion() const
{
if (folded && linear.size() == 0 && outEdges.size() == 1)
{
const Version* v = dynamic_cast<Version*>(outEdges.front()->destVersion());
if (v && v->isFolded())
{
return v->lookupFoldedFolderVersion();
}
}
return this;
}
Version* Version::lookupFolderVersion()
{
if (isFolder())
return this;
if (outEdges.size() == 1)
{
Version* v = dynamic_cast<Version*>(outEdges.front()->destVersion());
if (v)
return v->lookupFolderVersion();
}
return NULL;
}
void Version::foldAction()
{
if (isFolder() == false)
return;
folded = !folded;
setZValue(4 + folded);
foreach(Version * v, linear)
{
v->setFolded(folded);
v->setH(folded ? 0 : 1);
v->update();
foreach(Edge * edge, v->getOutEdges())
{
edge->QGraphicsItem::setVisible(!folded);
}
}
if (folded)
folderBox = QRectF(-30, -30, 60, 60);
else
{
float h = graph->getYFactor() * linear.size();
folderBox = QRectF(-30, -30, 60, 60 + h)
.translated(0, graph->getTopDownView() ? 0.0 : -1.0 * h);
}
update();
}
void Version::updateFolderBox()
{
folderBox = QRectF(-30, -30, 60, 60);
if (folded)
return;
foreach(Version * v, linear)
{
folderBox |= QRectF(-30, -30, 60, 60).translated(v->QGraphicsItem::scenePos() - QGraphicsItem::scenePos());
}
}
void Version::foldRecurse(bool _val)
{
if (isFolder() && isFolded() != _val)
{
foldAction();
}
foreach (Edge * edge, outEdges)
{
Version* next = dynamic_cast<Version*>(edge->destVersion());
if (next)
next->foldRecurse(_val);
}
}
bool Version::isRoot() const
{
return rootnode;
}
bool Version::isFolder() const
{
return linear.size() > 0;
}
bool Version::isFolded() const
{
return folded;
}
int Version::getPredecessorHashes(QStringList& _result)
{
_result.clear();
QSet<Version*> predecessors;
getPredecessors(predecessors);
foreach(Version * it, predecessors)
{
_result.push_back(it->getHash());
}
return _result.size();
}
int Version::getPredecessors(QSet<Version*>& _result)
{
_result.clear();
if (isFolder() && isFolded())
return linear.front()->getPredecessors(_result);
foreach (Edge * edge, edgeList)
{
if (edge->getInfo() == false
&& edge->sourceVersion() != this)
{
Version* predecessor = dynamic_cast<Version*>(edge->sourceVersion());
if (predecessor)
_result.insert(predecessor);
}
}
return _result.size();
}
bool Version::getSubtreeHidden() const
{
return subtreeHidden;
}
void Version::setSubtreeVisible(bool _value)
{
subtreeHidden = !_value;
foreach (Edge * edge, outEdges)
{
edge->QGraphicsItem::setVisible(_value);
if (edge->getMerge() == false)
{
Version* v = dynamic_cast<Version*>(edge->destVersion());
if (v)
{
v->QGraphicsItem::setVisible(_value);
v->setSubtreeVisible(_value);
if (graph->isFromToVersion(v))
{
graph->resetDiff();
}
if (_value == false && v->isSelected())
{
graph->resetSelection();
}
}
}
}
}
void Version::setUpdateBoundingRect(bool _val)
{
updateBoundingRect = _val;
}
void Version::setIsMain(bool _val)
{
main = _val;
}
bool Version::isMain() const
{
return main;
}
void Version::setFileConstraint(bool _val)
{
fileConstraint = _val;
}
bool Version::getFileConstraint() const
{
return fileConstraint;
}
void Version::reduceToFileConstraint(Version* _parent, bool _merge)
{
// in case of rootVersion this and _parent are identical
foreach (const Edge * edge, edgeList)
{
if (edge->sourceVersion() != this)
{
continue;
}
Version* v = dynamic_cast<Version*>(edge->destVersion());