Make it possible to hide some columns on the Cylinders Equipment pane.

This patch makes it possible to hide some columns on the Cylinders
Equipment pane. The 'remove' and 'type' are impossible to hide,
since they are the most important ones for a non-tech diver.

Fixes #281

Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

1 files changed, 43 insertions, 0 deletions

diff --git a/qt-ui/maintab.cpp b/qt-ui/maintab.cpp
index 8c0f6849a..0400aa7ed 100644
--- a/qt-ui/maintab.cpp
+++ b/qt-ui/maintab.cpp
@@ -20,6 +20,7 @@
 #include <QCompleter>
 #include <QDebug>
 #include <QSet>
+#include <QSettings>
 #include <QTableView>
 #include <QPalette>
 
@@ -109,6 +110,48 @@ MainTab::MainTab(QWidget *parent) : QTabWidget(parent),
 		ui.scrollArea_3->viewport()->setPalette(p);
 		ui.scrollArea_4->viewport()->setPalette(p);
 	}
+	ui.cylinders->view()->horizontalHeader()->setContextMenuPolicy(Qt::ActionsContextMenu);
+
+	QSettings s;
+	s.beginGroup("cylinders_dialog");
+	for(int i = 0; i < CylindersModel::COLUMNS; i++){
+		if ((i == CylindersModel::REMOVE) || (i == CylindersModel::TYPE))
+			  continue;
+		bool checked = s.value(QString("column%1_hidden").arg(i)).toBool();
+		QAction *action = new QAction(cylindersModel->headerData(i, Qt::Horizontal, Qt::DisplayRole).toString(), ui.cylinders->view());
+		action->setCheckable(true);
+		action->setData(i);
+		action->setChecked(!checked);
+		connect(action, SIGNAL(triggered(bool)), this, SLOT(toggleTriggeredColumn()));
+		ui.cylinders->view()->setColumnHidden(i, checked);
+		ui.cylinders->view()->horizontalHeader()->addAction(action);
+	}
+}
+
+MainTab::~MainTab()
+{
+	QSettings s;
+	s.beginGroup("cylinders_dialog");
+	for(int i = 0; i < CylindersModel::COLUMNS; i++){
+		if ((i == CylindersModel::REMOVE) || (i == CylindersModel::TYPE))
+			  continue;
+		s.setValue(QString("column%1_hidden").arg(i), ui.cylinders->view()->isColumnHidden(i));
+	}
+}
+
+void MainTab::toggleTriggeredColumn()
+{
+	QAction *action = qobject_cast<QAction*>(sender());
+	int col = action->data().toInt();
+	QTableView *view = ui.cylinders->view();
+
+	if(action->isChecked()){
+		view->showColumn(col);
+		if(view->columnWidth(col) <= 15)
+			view->setColumnWidth(col, 80);
+	}
+	else
+		view->hideColumn(col);
 }
 
 void MainTab::addDiveStarted()