Initial commit

Lts/Common/LtsWidgets/lts_progress_dialog_helper.cpp

@@ -0,0 +1,154 @@
+/**
+ * @RDE_HEADER@
+ * Helper Class, which manages a progress Dialog with two states.
+ * $Id$
+ * $HeadURL$
+ * $Author$
+ *
+ * Created by Mike Wille, SLSE, 2016-06-20
+ */
+
+#include "lts_progress_dialog_helper.h"
+
+#include "lts_frameless_dialog.h"
+
+#include <QCoreApplication>
+#include <QHBoxLayout>
+#include <QLabel>
+#include <QProgressBar>
+#include <QPushButton>
+#include <QTimer>
+
+
+namespace LtsWidgets
+{
+
+LtsProgressDialogHelper::LtsProgressDialogHelper(QWidget *parent)
+  : QObject(parent)
+  , m_waitDlg(nullptr) // save mem
+  , m_parentWidget(parent)
+  , m_textLabel(nullptr)
+{}
+
+
+LtsProgressDialogHelper::~LtsProgressDialogHelper()
+{
+  delete m_waitDlg;
+}
+
+
+void LtsProgressDialogHelper::setCustomText(const QString &customText)
+{
+  if (m_waitDlg == nullptr || m_textLabel == nullptr)
+    return;
+
+  if (customText.isEmpty())
+    m_textLabel->setText(tr("Waiting for server reply..."));
+  else
+    m_textLabel->setText(customText);
+}
+
+void LtsProgressDialogHelper::setParentWidget(QWidget *newParent)
+{
+  m_parentWidget = newParent;
+  if (m_waitDlg)
+  {
+    m_waitDlg->setParent(newParent);
+    QTimer::singleShot(0, m_waitDlg.data(), &LtsFramelessDialog::onUpdateGeometry);
+  }
+}
+
+void LtsProgressDialogHelper::slotShowWaitForReplyWindow()
+{
+  if (m_waitDlg)
+    m_waitDlg->deleteLater(); //delete m_waitDlg; // when there is already an instance
+  m_waitDlg = new LtsFramelessDialog(m_parentWidget, Behaviour::Modal);
+
+  QHBoxLayout *l = new QHBoxLayout(m_waitDlg);
+
+  QProgressBar *pb = new QProgressBar(m_waitDlg);
+  pb->setMaximum(0);
+  pb->setValue(-1);
+
+  l->addWidget(pb);
+
+  m_textLabel = new QLabel(m_waitDlg);
+  setCustomText();
+  l->addWidget(m_textLabel);
+
+  m_waitDlg->setLayout(l);
+  m_waitDlg->show();
+  m_waitDlg->raise(); // TODO: needed when StyOnTop is active ?
+
+  //QCoreApplication::processEvents(); // do not look glitched if dds hangs
+}
+
+
+void LtsProgressDialogHelper::slotStopWaitForReplyWindow(const ReplyResult &replyResult, const QString &replyString)
+{
+  if (m_waitDlg == nullptr)
+  {
+    // TODO: debug/warning that there is no wait dlg..
+    return;
+  }
+
+  //qDeleteAll(m_waitDlg->children()); // delete the layout and it's children
+  m_waitDlg->deleteLater(); // the easiest way
+  m_waitDlg = nullptr;
+
+  // .. a new layout, telling the reply result
+  QString resultText = tr("Unknown result (%1)!").arg((int)replyResult);
+
+  switch (replyResult)
+  {
+    case ReplyResult::Close:
+    {
+      return; // say nothing, just close
+    }
+
+    case ReplyResult::Success:
+    {
+      resultText = tr("Operation was successful");
+      break;
+    }
+
+    case ReplyResult::Failure:
+    {
+      resultText = tr("Operation has failed!\nReason: '%1'").arg(replyString);
+      break;
+    }
+
+    case ReplyResult::TimeOut:
+    {
+      resultText = tr("Operation has timed out and could not be processed! Please try again later");
+      break;
+    }
+  }
+
+  m_waitDlg = new LtsFramelessDialog(m_parentWidget, Behaviour::Modal);
+
+  QVBoxLayout *newLayout = new QVBoxLayout(m_waitDlg);
+  newLayout->addWidget(new QLabel(resultText, m_waitDlg));
+
+  QPushButton *btn = new QPushButton(tr("OK"),m_waitDlg);
+  connect(btn, &QPushButton::clicked,
+          this, &LtsProgressDialogHelper::accept); // TODO: or close?
+
+  newLayout->addWidget(btn);
+
+  m_waitDlg->setLayout(newLayout);
+  m_waitDlg->show();
+
+  //QCoreApplication::processEvents(); // do not look glitched if dds hangs
+}
+
+
+void LtsProgressDialogHelper::accept()
+{
+  m_waitDlg->accept();
+  m_waitDlg->deleteLater();
+  m_waitDlg = nullptr;
+  emit accepted();
+}
+
+} // namespace LtsWidgets