minor oracle importer improvement

oracle/src/window_main.cpp

@@ -27,11 +27,21 @@ WindowMain::WindowMain(QWidget *parent)
 	checkboxArea->setWidget(checkboxFrame);
 	checkboxArea->setWidgetResizable(true);
 	
+	checkAllButton = new QPushButton(tr("&Check all"));
+	connect(checkAllButton, SIGNAL(clicked()), this, SLOT(actCheckAll()));
+	uncheckAllButton = new QPushButton(tr("&Uncheck all"));
+	connect(uncheckAllButton, SIGNAL(clicked()), this, SLOT(actUncheckAll()));
+	
+	QHBoxLayout *checkAllButtonLayout = new QHBoxLayout;
+	checkAllButtonLayout->addWidget(checkAllButton);
+	checkAllButtonLayout->addWidget(uncheckAllButton);
+	
 	startButton = new QPushButton(tr("&Start download"));
 	connect(startButton, SIGNAL(clicked()), this, SLOT(actStart()));
 	
 	QVBoxLayout *settingsLayout = new QVBoxLayout;
 	settingsLayout->addWidget(checkboxArea);
+	settingsLayout->addLayout(checkAllButtonLayout);
 	settingsLayout->addWidget(startButton);
 	
 	totalLabel = new QLabel(tr("Total progress:"));
@@ -155,12 +165,28 @@ void WindowMain::updateFileProgress(int bytesRead, int totalBytes)
 	fileProgressBar->setValue(bytesRead);
 }
 
+void WindowMain::actCheckAll()
+{
+	for (int i = 0; i < checkBoxList.size(); ++i)
+		checkBoxList[i]->setChecked(true);
+}
+
+void WindowMain::actUncheckAll()
+{
+	for (int i = 0; i < checkBoxList.size(); ++i)
+		checkBoxList[i]->setChecked(false);
+}
+
 void WindowMain::actStart()
 {
-	startButton->setEnabled(false);
+	int setsCount = importer->startDownload();
+	if (!setsCount) {
+		QMessageBox::critical(this, tr("Error"), tr("No sets to download selected."));
+		return;
+	}
 	for (int i = 0; i < checkBoxList.size(); ++i)
 		checkBoxList[i]->setEnabled(false);
-	int setsCount = importer->startDownload();
+	startButton->setEnabled(false);
 	totalProgressBar->setMaximum(setsCount);
 }
 

oracle/src/window_main.h

@@ -25,7 +25,7 @@ private:
 	
 	QMenu *fileMenu;
 	QAction *aLoadSetsFile, *aDownloadSetsFile, *aExit;
-	QPushButton *startButton;
+	QPushButton *checkAllButton, *uncheckAllButton, *startButton;
 	QLabel *totalLabel, *fileLabel, *nextSetLabel1, *nextSetLabel2;
 	QProgressBar *totalProgressBar, *fileProgressBar;
 	QTextEdit *messageLog;
@@ -37,6 +37,8 @@ private slots:
 	void updateTotalProgress(int cardsImported, int setIndex, const QString &nextSetName);
 	void updateFileProgress(int bytesRead, int totalBytes);
 	void updateSetList();
+	void actCheckAll();
+	void actUncheckAll();
 	void actStart();
 	void actLoadSetsFile();
 	void actDownloadSetsFile();