diff options
Diffstat (limited to 'src/data/tikzdocument.cpp')
| -rw-r--r-- | src/data/tikzdocument.cpp | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/src/data/tikzdocument.cpp b/src/data/tikzdocument.cpp new file mode 100644 index 0000000..24a793b --- /dev/null +++ b/src/data/tikzdocument.cpp @@ -0,0 +1,213 @@ +/*
+ TikZiT - a GUI diagram editor for TikZ
+ Copyright (C) 2018 Aleks Kissinger
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#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->attachStyle();
+ e->updateControls();
+ }
+ _parseSuccess = true;
+ refreshTikz();
+ setClean();
+ } else {
+ delete newGraph;
+ _parseSuccess = false;
+ }
+}
+
+bool TikzDocument::save() {
+ if (_fileName == "") {
+ return 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 false; // 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();
+ return true;
+ } else {
+ QMessageBox::warning(0, "Save Failed", "Could not open file: '" + _fileName + "' for writing.");
+ }
+ }
+
+ return false;
+}
+
+bool TikzDocument::isClean() const
+{
+ return _undoStack->isClean();
+}
+
+void TikzDocument::setClean()
+{
+ _undoStack->setClean();
+}
+
+void TikzDocument::setGraph(Graph *graph)
+{
+ _graph = graph;
+ refreshTikz();
+}
+
+bool 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 false; // ABORT the save
+ }
+ }
+
+ QSettings settings("tikzit", "tikzit");
+
+ QFileDialog dialog;
+ dialog.setDefaultSuffix("tikz");
+ dialog.setWindowTitle(tr("Save File As"));
+ dialog.setAcceptMode(QFileDialog::AcceptSave);
+ dialog.setNameFilter(tr("TiKZ Files (*.tikz)"));
+ dialog.setFileMode(QFileDialog::AnyFile);
+ dialog.setDirectory(settings.value("previous-file-path").toString());
+ dialog.setOption(QFileDialog::DontUseNativeDialog);
+
+// QString fileName = QFileDialog::getSaveFileName(tikzit->activeWindow(),
+// tr("Save File As"),
+// settings.value("previous-file-path").toString(),
+// tr("TiKZ Files (*.tikz)"),
+// nullptr,
+// QFileDialog::DontUseNativeDialog);
+
+ if (dialog.exec() && !dialog.selectedFiles().isEmpty()) {
+ QString fileName = dialog.selectedFiles()[0];
+ _fileName = fileName;
+ if (save()) {
+ // clean state might not change, so update title bar manually
+ tikzit->activeWindow()->updateFileName();
+ return true;
+ }
+ }
+
+ return false;
+}
+
+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();
+}
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