Git: Auto stash for branches

Allow user to handle local changes when switching branches.

Task-number: QTCREATORBUG-8417
Change-Id: I62d615aadfbd81c8ae03f3cd292b98773a36e1e7
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/git/branchcheckoutdialog.cpp

@@ -0,0 +1,88 @@
+#include "branchcheckoutdialog.h"
+#include "ui_branchcheckoutdialog.h"
+
+namespace Git {
+namespace Internal {
+
+BranchCheckoutDialog::BranchCheckoutDialog(QWidget *parent,
+                                           const QString& currentBranch,
+                                           const QString& nextBranch) :
+    QDialog(parent),
+    m_ui(new Ui::BranchCheckoutDialog),
+    m_foundStashForNextBranch(false),
+    m_hasLocalChanges(true)
+{
+    m_ui->setupUi(this);
+
+    setWindowTitle(tr("Checkout branch \"%1\"").arg(nextBranch));
+    m_ui->moveChangesRadioButton->setText(tr("Move Local Changes to \"%1\"").arg(nextBranch));
+    m_ui->popStashCheckBox->setText(tr("Pop Stash of \"%1\"").arg(nextBranch));
+
+    if (!currentBranch.isEmpty()) {
+        m_ui->makeStashRadioButton->setText(tr("Create Branch Stash for \"%1\"").arg(currentBranch));
+    } else {
+        m_ui->makeStashRadioButton->setText(tr("Create Branch Stash for Current Branch"));
+        foundNoLocalChanges();
+    }
+
+    connect(m_ui->moveChangesRadioButton, SIGNAL(toggled(bool)), this, SLOT(updatePopStashCheckBox(bool)));
+}
+
+BranchCheckoutDialog::~BranchCheckoutDialog()
+{
+    delete m_ui;
+}
+
+void BranchCheckoutDialog::foundNoLocalChanges()
+{
+    m_ui->discardChangesRadioButton->setChecked(true);
+    m_ui->localChangesGroupBox->setEnabled(false);
+    m_hasLocalChanges = false;
+}
+
+void BranchCheckoutDialog::foundStashForNextBranch()
+{
+    m_ui->popStashCheckBox->setChecked(true);
+    m_ui->popStashCheckBox->setEnabled(true);
+    m_foundStashForNextBranch = true;
+}
+
+bool BranchCheckoutDialog::makeStashOfCurrentBranch()
+{
+    return m_ui->makeStashRadioButton->isChecked();
+}
+
+bool BranchCheckoutDialog::moveLocalChangesToNextBranch()
+{
+    return m_ui->moveChangesRadioButton->isChecked();
+}
+
+bool BranchCheckoutDialog::discardLocalChanges()
+{
+    return m_ui->discardChangesRadioButton->isChecked() && m_ui->localChangesGroupBox->isEnabled();
+}
+
+bool BranchCheckoutDialog::popStashOfNextBranch()
+{
+    return m_ui->popStashCheckBox->isChecked();
+}
+
+bool BranchCheckoutDialog::hasStashForNextBranch()
+{
+    return m_foundStashForNextBranch;
+}
+
+bool BranchCheckoutDialog::hasLocalChanges()
+{
+    return m_hasLocalChanges;
+}
+
+void BranchCheckoutDialog::updatePopStashCheckBox(bool moveChangesChecked)
+{
+    m_ui->popStashCheckBox->setChecked(!moveChangesChecked && m_foundStashForNextBranch);
+    m_ui->popStashCheckBox->setEnabled(!moveChangesChecked && m_foundStashForNextBranch);
+}
+
+} // namespace Internal
+} // namespace Git
+