Method DrawJsonTree

src/NppJsonViewer/JsonViewDlg.cpp:336–385

}

void JsonViewDlg::DrawJsonTree()
{
    UpdateTitle();

    // Disable all buttons and treeView
    std::vector<DWORD> ctrls = {IDC_BTN_REFRESH, IDC_BTN_VALIDATE, IDC_BTN_FORMAT, IDC_BTN_SEARCH, IDC_EDT_SEARCH};
    EnableControls(ctrls, false);

    HTREEITEM rootNode = nullptr;
    rootNode           = m_pTreeView->InitTree();

    // Refresh the view
    m_pEditor->RefreshViewHandle();
    const auto selectedData = m_pEditor->GetJsonText();
    const auto selectedText = IsSelectionValidJson(selectedData);

    if (!selectedText.has_value() || selectedText.value().empty())
    {
        m_pTreeView->InsertNode(JSON_ERR_PARSE, NULL, rootNode);

        if (IsMultiSelection(selectedData))
        {
            ShowMessage(JSON_INFO_TITLE, JSON_ERR_MULTI_SELECTION, MB_OK | MB_ICONINFORMATION);
        }
    }
    else
    {
        auto res = PopulateTreeUsingSax(rootNode, selectedText.value());
        if (res.has_value())
        {
            // This is the case when Notepad++ has JsonViewer Window opened for previous instance
            // Later on second launch, don't show the error message as this could be some text file
            // If it is real json file but has some error, then there must be more than 1 node exist.

            if (!m_IsNppReady && m_pTreeView->GetNodeCount() <= 1)
            {
                m_pTreeView->InsertNode(JSON_ERR_VALIDATE, NULL, rootNode);
            }
            else
            {
                ShowMessage(JSON_ERROR_TITLE, res.value(), MB_OK | MB_ICONERROR);
            }
        }
    }

    m_pTreeView->Expand(rootNode);

    // Enable all buttons and treeView
    EnableControls(ctrls, true);
}

void JsonViewDlg::ReDrawJsonTree(bool bForce)
{