1 files changed, 45 insertions, 0 deletions
diff --git a/src/ui/metadatadialog.cpp b/src/ui/metadatadialog.cpp
index 348f225..1235603 100644
--- a/src/ui/metadatadialog.cpp
+++ b/src/ui/metadatadialog.cpp
@@ -1,11 +1,22 @@
 #include "ui/metadatadialog.h"
 #include "ui_metadatadialog.h"
 
+#include "debugtools.h"
+#include <QPushButton>
+
 MetadataDialog::MetadataDialog(QWidget *parent) :
     QDialog(parent),
     _ui(new Ui::MetadataDialog)
 {
     _ui->setupUi(this);
+
+    QPushButton *button = _ui->buttonBox->button(QDialogButtonBox::Ok);
+
+    if (button != 0) {
+        button->setEnabled(false);
+    } else {
+        debug_err("failed to get ok button");
+    }
 }
 
 MetadataDialog::~MetadataDialog()
@@ -13,6 +24,14 @@ MetadataDialog::~MetadataDialog()
     delete _ui;
 }
 
+/*** public methods ***/
+
+bool MetadataDialog::isValid() const
+{
+    return !title().trimmed().isEmpty()
+            && !author().trimmed().isEmpty();
+}
+
 void MetadataDialog::setMetadata(const QString& title, const QString& author)
 {
     _ui->titleEdit->setText(title);
@@ -29,3 +48,29 @@ QString MetadataDialog::author() const
 {
     return _ui->authorEdit->text();
 }
+
+/*** private slots ***/
+
+void MetadataDialog::on_titleEdit_textChanged()
+{
+    QPushButton *button = _ui->buttonBox->button(QDialogButtonBox::Ok);
+
+    if (button == 0) {
+        debug_err("failed to get ok button");
+        return;
+    }
+
+    button->setEnabled(isValid());
+}
+
+void MetadataDialog::on_authorEdit_textChanged()
+{
+    QPushButton *button = _ui->buttonBox->button(QDialogButtonBox::Ok);
+
+    if (button == 0) {
+        debug_err("failed to get ok button");
+        return;
+    }
+
+    button->setEnabled(isValid());
+}