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#include "graph.h"
#include <QTextStream>
Graph::Graph(QObject *parent) : QObject(parent)
{
_data = new GraphElementData();
_bbox = QRectF(0,0,0,0);
}
Graph::~Graph()
{
delete _data;
}
void Graph::removeNode(Node *n) {
_nodes.removeAll(n);
inEdges.remove(n);
outEdges.remove(n);
}
Edge *Graph::addEdge(Node *s, Node *t)
{
Edge *e = new Edge(s, t, this);
_edges << e;
outEdges.insert(s, e);
inEdges.insert(t, e);
return e;
}
void Graph::removeEdge(Edge *e)
{
_edges.removeAll(e);
outEdges.remove(e->source(), e);
inEdges.remove(e->target(), e);
}
GraphElementData *Graph::data() const
{
return _data;
}
void Graph::setData(GraphElementData *data)
{
delete _data;
_data = data;
}
const QVector<Node*> &Graph::nodes()
{
return _nodes;
}
const QVector<Edge*> &Graph::edges()
{
return _edges;
}
QRectF Graph::bbox() const
{
return _bbox;
}
bool Graph::hasBbox() {
return !(_bbox == QRectF(0,0,0,0));
}
void Graph::clearBbox() {
_bbox = QRectF(0,0,0,0);
}
QString Graph::tikz()
{
QString str;
QTextStream code(&str);
// [NSMutableString
// stringWithFormat:@"\\begin{tikzpicture}%@\n",
// [[self data] tikzList]];
// if ([self hasBoundingBox]) {
// [code appendFormat:@"\t\\path [use as bounding box] (%@,%@) rectangle (%@,%@);\n",
// [NSNumber numberWithFloat:boundingBox.origin.x],
// [NSNumber numberWithFloat:boundingBox.origin.y],
// [NSNumber numberWithFloat:boundingBox.origin.x + boundingBox.size.width],
// [NSNumber numberWithFloat:boundingBox.origin.y + boundingBox.size.height]];
// }
// // NSArray *sortedNodeList = [[nodes allObjects]
// // sortedArrayUsingSelector:@selector(compareTo:)];
// //NSMutableDictionary *nodeNames = [NSMutableDictionary dictionary];
// if ([nodes count] > 0) [code appendFormat:@"\t\\begin{pgfonlayer}{nodelayer}\n"];
// int i = 0;
// for (Node *n in nodes) {
// [n updateData];
// [n setName:[NSString stringWithFormat:@"%d", i]];
// [code appendFormat:@"\t\t\\node %@ (%d) at (%@, %@) {%@};\n",
// [[n data] tikzList],
// i,
// formatFloat([n point].x, 4),
// formatFloat([n point].y, 4),
// [n label]
// ];
// i++;
// }
// if ([nodes count] > 0) [code appendFormat:@"\t\\end{pgfonlayer}\n"];
// if ([edges count] > 0) [code appendFormat:@"\t\\begin{pgfonlayer}{edgelayer}\n"];
// NSString *nodeStr;
// for (Edge *e in edges) {
// [e updateData];
// if ([e hasEdgeNode]) {
// nodeStr = [NSString stringWithFormat:@"node%@{%@} ",
// [[[e edgeNode] data] tikzList],
// [[e edgeNode] label]
// ];
// } else {
// nodeStr = @"";
// }
// NSString *edata = [[e data] tikzList];
// NSString *srcAnchor;
// NSString *tgtAnchor;
// if ([[e sourceAnchor] isEqual:@""]) {
// srcAnchor = @"";
// } else {
// srcAnchor = [NSString stringWithFormat:@".%@", [e sourceAnchor]];
// }
// if ([[e targetAnchor] isEqual:@""]) {
// tgtAnchor = @"";
// } else {
// tgtAnchor = [NSString stringWithFormat:@".%@", [e targetAnchor]];
// }
// [code appendFormat:@"\t\t\\draw%@ (%@%@) to %@(%@%@);\n",
// ([edata isEqual:@""]) ? @"" : [NSString stringWithFormat:@" %@", edata],
// [[e source] name],
// srcAnchor,
// nodeStr,
// ([e source] == [e target]) ? @"" : [[e target] name],
// tgtAnchor
// ];
// }
// if ([edges count] > 0) [code appendFormat:@"\t\\end{pgfonlayer}\n"];
// [code appendString:@"\\end{tikzpicture}"];
// [graphLock unlock];
// return code;
return str;
}
void Graph::setBbox(const QRectF &bbox)
{
_bbox = bbox;
}
Node *Graph::addNode() {
Node *n = new Node(this);
_nodes << n;
return n;
}
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