dbhub: Improve push database UI

This adds a new Push Database dialog which lets you specify the database
name, the licence, a commit message, and the visibility of the database.

src/RemotePushDialog.cpp

@@ -0,0 +1,75 @@
+#include <QPushButton>
+
+#include "RemotePushDialog.h"
+#include "ui_RemotePushDialog.h"
+#include "RemoteDatabase.h"
+
+RemotePushDialog::RemotePushDialog(QWidget* parent, RemoteDatabase& remote, const QString& host, const QString& clientCert, const QString& name) :
+    QDialog(parent),
+    ui(new Ui::RemotePushDialog),
+    remoteDatabase(remote)
+{
+    // Create UI
+    ui->setupUi(this);
+
+    // Set start values
+    ui->editName->setText(name);
+
+    // Enable/disable accept button
+    checkInput();
+
+    // Fetch list of available licences
+    connect(&remoteDatabase, &RemoteDatabase::gotLicenceList, this, &RemotePushDialog::fillInLicences);
+    remoteDatabase.fetch(host + "licence/list", RemoteDatabase::RequestTypeLicenceList, clientCert);
+}
+
+RemotePushDialog::~RemotePushDialog()
+{
+    delete ui;
+}
+
+void RemotePushDialog::checkInput()
+{
+    bool valid = true;
+
+    if(ui->editName->text().trimmed().isEmpty())
+        valid = false;
+
+    ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(valid);
+}
+
+void RemotePushDialog::accept()
+{
+    QDialog::accept();
+}
+
+QString RemotePushDialog::name() const
+{
+    return ui->editName->text().trimmed();
+}
+
+QString RemotePushDialog::commitMessage() const
+{
+    return ui->editCommitMessage->toPlainText().trimmed();
+}
+
+QString RemotePushDialog::licence() const
+{
+    return ui->comboLicence->currentData(Qt::UserRole).toString();
+}
+
+bool RemotePushDialog::isPublic() const
+{
+    return  ui->checkPublic->isChecked();
+}
+
+void RemotePushDialog::fillInLicences(const QMap<QString, QString>& licences)
+{
+    // Clear licence list and add default item for unspecified licence
+    ui->comboLicence->clear();
+    ui->comboLicence->addItem(tr("Unspecified"), QString());
+
+    // Parse licence list and fill combo box. Show the full name to the user and use the short name as user data.
+    for(auto it=licences.constBegin();it!=licences.constEnd();++it)
+        ui->comboLicence->addItem(it.value(), it.key());
+}