drawing grid

1 files changed, 83 insertions, 6 deletions

diff --git a/tikzit/src/gui/mainwindow.cpp b/tikzit/src/gui/mainwindow.cpp
index ef73a20..f7357ec 100644
--- a/tikzit/src/gui/mainwindow.cpp
+++ b/tikzit/src/gui/mainwindow.cpp
@@ -1,23 +1,100 @@
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
+#include "tikzgraphassembler.h"
 
 #include <QDebug>
+#include <QFile>
+#include <QList>
+#include <QSettings>
+#include <QMessageBox>
+#include <QFileDialog>
+
+int MainWindow::_numWindows = 0;
 
 MainWindow::MainWindow(QWidget *parent) :
     QMainWindow(parent),
     ui(new Ui::MainWindow)
 {
+    _numWindows++;
     ui->setupUi(this);
     setAttribute(Qt::WA_DeleteOnClose);
-    tikzScene = new TikzScene(this);
+    _graph = new Graph(this);
+    tikzScene = new TikzScene(_graph, this);
     ui->tikzView->setScene(tikzScene);
-    //tikzView = new QGraphicsView(tikzScene);
-    //setCentralWidget(tikzView);
-    //resize(700, 500);
-    // badger?
+    _fileName = "";
+    _pristine = true;
+
+    // initially, the source view should be collapsed
+    QList<int> sz = ui->splitter->sizes();
+    sz[0] = sz[0] + sz[1];
+    sz[1] = 0;
+    ui->splitter->setSizes(sz);
 }
 
 MainWindow::~MainWindow()
 {
-    qDebug() << "~MainWindow";
+    //qDebug() << "~MainWindow";
+}
+
+void MainWindow::open(QString fileName)
+{
+    _fileName = fileName;
+    _pristine = false;
+    QFile file(fileName);
+    QFileInfo fi(file);
+    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"));
+        return;
+    }
+
+    QTextStream in(&file);
+    QString tikz = in.readAll();
+    file.close();
+
+    ui->tikzSource->setText(tikz);
+
+    Graph *newGraph = new Graph(this);
+    TikzGraphAssembler ass(newGraph);
+    if (ass.parse(tikz)) {
+        statusBar()->showMessage("TiKZ parsed successfully", 2000);
+        tikzScene->setGraph(newGraph);
+        delete _graph;
+        _graph = newGraph;
+    } else {
+        statusBar()->showMessage("Cannot read TiKZ source");
+        delete newGraph;
+    }
+
 }
+
+void MainWindow::closeEvent(QCloseEvent *event)
+{
+    //qDebug() << "got close event";
+    QMainWindow::closeEvent(event);
+}
+
+void MainWindow::on_actionOpen_triggered()
+{
+    QSettings settings("tikzit", "tikzit");
+    QString fileName = QFileDialog::getOpenFileName(
+                this,
+                tr("Open File"),
+                settings.value("previous-file-path").toString(),
+                tr("TiKZ Files (*.tikz)"));
+
+    if (!fileName.isEmpty()) {
+        if (_pristine) {
+            open(fileName);
+        } else {
+            MainWindow *w = new MainWindow();
+            w->show();
+            w->open(fileName);
+        }
+    }
+}
+
+