Implemented load, save and clear functionality.

1 files changed, 97 insertions, 3 deletions

diff --git a/src/solverwindow.cc b/src/solverwindow.cc
index 9a04e46..f900986 100644
--- a/src/solverwindow.cc
+++ b/src/solverwindow.cc
@@ -1,12 +1,16 @@
 
 #include "solverwindow.h"
 #include "sudokuwidget.h"
+#include "sudoku.h"
 
+#include <QtGui>
+#include <QDir>
 #include <QHBoxLayout>
 #include <QVBoxLayout>
-
 #include <QPushButton>
 
+const QString HOMEDIR(QDir::homePath() + "/.sudoku");
+
 SolverWindow::SolverWindow()
 {
 	QHBoxLayout *windowlayout = new QHBoxLayout();
@@ -18,14 +22,17 @@ SolverWindow::SolverWindow()
 	// add load button
 	QPushButton *loadbutton = new QPushButton(tr("Load"));
 	sidebarlayout->addWidget(loadbutton);
+	connect(loadbutton, SIGNAL(clicked()), this, SLOT(load()));
 	
 	// add save button
 	QPushButton *savebutton = new QPushButton(tr("Save"));
 	sidebarlayout->addWidget(savebutton);
+	connect(savebutton, SIGNAL(clicked()), this, SLOT(save()));
 	
 	// add step button
 	QPushButton *stepbutton = new QPushButton(tr("Step"));
 	sidebarlayout->addWidget(stepbutton);
+	connect(stepbutton, SIGNAL(clicked()), this, SLOT(step()));
 	
 	// add stretch
 	sidebarlayout->addStretch(1);
@@ -33,15 +40,102 @@ SolverWindow::SolverWindow()
 	// add clear button
 	QPushButton *clearbutton = new QPushButton(tr("Clear"));
 	sidebarlayout->addWidget(clearbutton);
+	connect(clearbutton, SIGNAL(clicked()), this, SLOT(clear()));
 	
 	// add sidebar layout
 	windowlayout->addLayout(sidebarlayout);
 	
 	
 	// sudoku widget
-	SudokuWidget *sudokuwidget = new SudokuWidget();
-	windowlayout->addWidget(sudokuwidget);
+	solverwindow_sudokuwidget = new SudokuWidget();
+	windowlayout->addWidget(solverwindow_sudokuwidget);
 	
 	// set window layout
 	setLayout(windowlayout);
+
+	// create home directory
+	QDir directory;
+	if (!directory.exists(HOMEDIR)) {
+		directory.mkdir(HOMEDIR);
+	}
+}
+
+void SolverWindow::load()
+{
+	QString filename = QFileDialog::getOpenFileName(this, tr("Open..."), HOMEDIR, "Sudoku (*.sudoku)");
+     	if (filename.isEmpty()) {
+		return;
+	}
+	
+	QFile file(filename);
+	if (!file.open(QFile::ReadOnly | QFile::Text)) {
+		QMessageBox::warning(this, tr("Open file"),
+				tr("Could not open file %1:\n%2.")
+				.arg(filename)
+				.arg(file.errorString()));
+		return;
+	}
+
+	QApplication::setOverrideCursor(Qt::WaitCursor);
+	
+	QTextStream textstream(&file);
+	
+	Sudoku sudoku;	
+	for (int row = 0; row < 9; row++) {
+		for (int column = 0; column < 9 ; column++) {
+			int i;
+			textstream >> i;
+			sudoku.value(row, column) = i;
+		}
+	}
+	solverwindow_sudokuwidget->set_values(sudoku);
+	
+	file.close();
+	
+	QApplication::restoreOverrideCursor();
 }
+
+void SolverWindow::save()
+{
+	QString filename = QFileDialog::getSaveFileName(this, tr("Save as..."), HOMEDIR, "Sudoku (*.sudoku)");
+	if (filename.isEmpty()) {
+		return;
+	}
+	
+	QFile file(filename);
+	if (!file.open(QFile::WriteOnly | QFile::Text)) {
+		QMessageBox::warning(this, tr("Save file"),
+				tr("Cannot write file %1:\n%2.")
+				.arg(filename)
+				.arg(file.errorString()));
+		return;
+	}
+
+	QApplication::setOverrideCursor(Qt::WaitCursor);
+	
+	QTextStream textstream(&file);
+	
+	Sudoku sudoku;
+	solverwindow_sudokuwidget->get_values(sudoku);
+	for (int row = 0; row < 9; row++) {
+		for (int column = 0; column < 9 ; column++) {
+			textstream << sudoku.value(row, column) << '\n';
+		}
+	}
+	
+	file.close();
+	
+	QApplication::restoreOverrideCursor();
+
+	return;
+}
+
+void SolverWindow::clear()
+{
+	Sudoku sudoku;
+	solverwindow_sudokuwidget->set_values(sudoku);
+}
+
+void SolverWindow::step()
+{
+}
\ No newline at end of file