1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
#include <QFile>
#include <QFileInfo>
#include <QSettings>
#include <QTextStream>
#include <QMessageBox>
#include <QFileDialog>
#include "tikzit.h"
#include "tikzdocument.h"
#include "tikzassembler.h"
#include "mainwindow.h"
TikzDocument::TikzDocument(QObject *parent) : QObject(parent)
{
_graph = new Graph(this);
_parseSuccess = true;
_fileName = "";
_shortName = "";
_undoStack = new QUndoStack();
_undoStack->setClean();
}
TikzDocument::~TikzDocument()
{
delete _graph;
delete _undoStack;
}
QUndoStack *TikzDocument::undoStack() const
{
return _undoStack;
}
Graph *TikzDocument::graph() const
{
return _graph;
}
QString TikzDocument::tikz() const
{
return _tikz;
}
void TikzDocument::open(QString fileName)
{
_fileName = fileName;
QFile file(fileName);
QFileInfo fi(file);
_shortName = fi.fileName();
QSettings settings("tikzit", "tikzit");
settings.setValue("previous-file-path", fi.absolutePath());
if (!file.open(QIODevice::ReadOnly)) {
// QMessageBox::critical(this, tr("Error"),
// tr("Could not open file"));
_parseSuccess = false;
return;
}
QTextStream in(&file);
_tikz = in.readAll();
file.close();
Graph *newGraph = new Graph(this);
TikzAssembler ass(newGraph);
if (ass.parse(_tikz)) {
delete _graph;
_graph = newGraph;
foreach (Node *n, _graph->nodes()) n->attachStyle();
foreach (Edge *e, _graph->edges()) e->updateControls();
_parseSuccess = true;
refreshTikz();
setClean();
} else {
delete newGraph;
_parseSuccess = false;
}
}
void TikzDocument::save() {
if (_fileName == "") {
saveAs();
} else {
MainWindow *win = tikzit->activeWindow();
if (win != 0 && !win->tikzScene()->enabled()) {
win->tikzScene()->parseTikz(win->tikzSource());
if (!win->tikzScene()->enabled()) {
auto resp = QMessageBox::question(0,
tr("Tikz failed to parse"),
tr("Cannot save file with invalid TiKZ source. Revert changes and save?"));
if (resp == QMessageBox::Yes) win->tikzScene()->setEnabled(true);
else return; // ABORT the save
}
}
refreshTikz();
QFile file(_fileName);
QFileInfo fi(file);
_shortName = fi.fileName();
QSettings settings("tikzit", "tikzit");
settings.setValue("previous-file-path", fi.absolutePath());
if (file.open(QIODevice::WriteOnly)) {
QTextStream stream(&file);
stream << _tikz;
file.close();
setClean();
} else {
QMessageBox::warning(0, "Save Failed", "Could not open file: '" + _fileName + "' for writing.");
}
}
}
bool TikzDocument::isClean() const
{
return _undoStack->isClean();
}
void TikzDocument::setClean()
{
_undoStack->setClean();
}
void TikzDocument::setGraph(Graph *graph)
{
_graph = graph;
refreshTikz();
}
void TikzDocument::saveAs() {
MainWindow *win = tikzit->activeWindow();
if (win != 0 && !win->tikzScene()->enabled()) {
win->tikzScene()->parseTikz(win->tikzSource());
if (!win->tikzScene()->enabled()) {
auto resp = QMessageBox::question(0,
tr("Tikz failed to parse"),
tr("Cannot save file with invalid TiKZ source. Revert changes and save?"));
if (resp == QMessageBox::Yes) win->tikzScene()->setEnabled(true);
else return; // ABORT the save
}
}
QSettings settings("tikzit", "tikzit");
QString fileName = QFileDialog::getSaveFileName(tikzit->activeWindow(),
tr("Save File As"),
settings.value("previous-file-path").toString(),
tr("TiKZ Files (*.tikz)"));
if (!fileName.isEmpty()) {
_fileName = fileName;
save();
// clean state might not change, so update title bar manually
tikzit->activeWindow()->updateFileName();
}
}
QString TikzDocument::shortName() const
{
return _shortName;
}
bool TikzDocument::parseSuccess() const
{
return _parseSuccess;
}
void TikzDocument::refreshTikz()
{
_tikz = _graph->tikz();
if (MainWindow *w = dynamic_cast<MainWindow*>(parent()))
w->refreshTikz();
}
|
