filter: create a primitive "create filter preset" dialog

The dialog asks the user for a name and warns if the name
already exists, i.e. an old filter preset will be overwritten.
Possibly, this should contain an auto-completion facility in
the case that the user wants to overwrite old presets.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>

1 files changed, 26 insertions, 0 deletions

diff --git a/desktop-widgets/simplewidgets.cpp b/desktop-widgets/simplewidgets.cpp
index b18c43bf5..153d3239e 100644
--- a/desktop-widgets/simplewidgets.cpp
+++ b/desktop-widgets/simplewidgets.cpp
@@ -12,6 +12,7 @@
 #include <QClipboard>
 
 #include "core/file.h"
+#include "core/filterpreset.h"
 #include "core/divesite.h"
 #include "desktop-widgets/mainwindow.h"
 #include "core/qthelper.h"
@@ -478,6 +479,31 @@ void DiveComponentSelection::buttonClicked(QAbstractButton *button)
 	}
 }
 
+AddFilterPresetDialog::AddFilterPresetDialog(QWidget *parent)
+{
+	ui.setupUi(this);
+	connect(ui.name, &QLineEdit::textChanged, this, &AddFilterPresetDialog::nameChanged);
+	connect(ui.buttonBox, &QDialogButtonBox::accepted, this, &AddFilterPresetDialog::accept);
+	connect(ui.buttonBox, &QDialogButtonBox::rejected, this, &AddFilterPresetDialog::reject);
+	nameChanged(ui.name->text());
+}
+
+void AddFilterPresetDialog::nameChanged(const QString &text)
+{
+	QString trimmed = text.trimmed();
+	bool isEmpty = trimmed.isEmpty();
+	bool exists = !isEmpty && filter_preset_id(trimmed) >= 0;
+	ui.duplicateWarning->setVisible(exists);
+	ui.buttonBox->button(QDialogButtonBox::Ok)->setEnabled(!isEmpty);
+}
+
+QString AddFilterPresetDialog::doit()
+{
+	if (exec() == QDialog::Accepted)
+		return ui.name->text().trimmed();
+	return QString();
+}
+
 TextHyperlinkEventFilter::TextHyperlinkEventFilter(QTextEdit *txtEdit) : QObject(txtEdit),
 	textEdit(txtEdit),
 	scrollView(textEdit->viewport())