private void Parse(object data)
{
// Parse the content of the text box
NXmlDocument document = null;
if (data is string)
{
// Method 1 - use a parser and a listener
NXmlDocumentParserListener listener = new NXmlDocumentParserListener();
NXmlParser parser = new NXmlParser(listener);
parser.Parse(((string)data).ToCharArray());
document = listener.Document;
}
else if (data is Stream)
{
// Method 2 - call the static Load method of the XML document class
document = NXmlDocument.LoadFromStream((Stream)data);
}
else
{
throw new ArgumentException("Unsupported data type", "data");
}
// Populate the DOM tree view
m_DomTree.SelectedItem = null;
m_DomTree.Items.Clear();
m_DomTree.Items.Add(CreateTreeViewItem(document));
// Expand all items up to the second level
ExpandTreeViewItems(m_DomTree.Items[0], 2, 1);
}
public void LoadFromStream(Stream stream)
{
// Load an xml document from the stream
NXmlDocument xmlDocument = NXmlDocument.LoadFromStream(stream);
// Process it
if (xmlDocument == null || xmlDocument.ChildrenCount != 1)
{
return;
}
m_ExamplesMap = new NStringMap <NWidget>(false);
// Get the root element (i.e. the <document> element)
NXmlElement rootElement = (NXmlElement)xmlDocument.GetChildAt(0);
// Process the head
NXmlElement titleElement = (NXmlElement)rootElement.GetFirstChild("title");
m_HeaderLabel.Text = ((NXmlTextNode)titleElement.GetChildAt(0)).Text;
NXmlElement statusColorsElement = (NXmlElement)rootElement.GetFirstChild("statusColors");
ParseStatusColors(statusColorsElement);
// Process the categories
NXmlElement categoriesElement = (NXmlElement)rootElement.GetFirstChild("categories");
((NWelcomePanel)m_PagePanel[0]).Initialize(categoriesElement);
for (int i = 0, count = categoriesElement.ChildrenCount; i < count; i++)
{
NXmlElement child = categoriesElement.GetChildAt(i) as NXmlElement;
if (child == null)
{
continue;
}
if (child.Name != "category")
{
throw new Exception("The body element can contain only category elements");
}
// Create a widget and add it to the categories panel
NWidget category = CreateCategory(child);
m_PagePanel.Add(category);
}
// Init the search box
m_SearchBox.InitAutoComplete(m_ExamplesMap, new NExampleFactory());
m_SearchBox.ListBoxItemSelected += OnSearchBoxListBoxItemSelected;
}
/// <summary>
/// Navigates to the given example. This is used by the Silverlight examples when
/// there's an example specified in the query string, for example:
/// "SilverlightTestPage.html?example=UI.NTooBarExample".
/// </summary>
/// <param name="exampleType"></param>
public void NavigateToExample(string exampleType)
{
NXmlDocument document;
using (Stream stream = NResources.Instance.GetResourceStream("RSTR_Examples_xml"))
{
document = NXmlDocument.LoadFromStream(stream);
}
// Find the XML element with the given example type:
NXmlElement element = GetExampleElement(document, exampleType);
if (element != null)
{
NavigateToExample(element);
}
}
private void OnSerializeButtonClick(NEventArgs arg)
{
// Create the XML document
NXmlDocument document = new NXmlDocument();
NTreeViewItem documentItem = DocumentItem;
for (int i = 0, childCount = documentItem.Items.Count; i < childCount; i++)
{
document.AddChild(SerializeTreeViewItem(documentItem.Items[i]));
}
// Serialize the document to the XML text box
using (MemoryStream stream = new MemoryStream())
{
// Serialize the document to a memory stream
document.SaveToStream(stream, NEncoding.UTF8);
// Populate the XML text box from the memory stream
byte[] data = stream.ToArray();
m_XmlTextBox.Text = NEncoding.UTF8.GetString(data);
}
}
/// <summary>
///
/// </summary>
/// <returns></returns>
protected override NWidget CreateExampleContent()
{
NChartView chartView = CreateTreeMapView();
// configure title
chartView.Surface.Titles[0].Text = "TreeMap Legend";
NTreeMapChart treeMap = (NTreeMapChart)chartView.Surface.Charts[0];
// Get the country list XML stream
Stream stream = NResources.Instance.GetResourceStream("RSTR_TreeMapDataSmall_xml");
// Load an xml document from the stream
NXmlDocument xmlDocument = NXmlDocument.LoadFromStream(stream);
m_RootTreeMapNode = new NGroupTreeMapNode();
NThreeColorPalette palette = new NThreeColorPalette();
palette.OriginColor = NColor.White;
palette.BeginColor = NColor.Red;
palette.EndColor = NColor.Green;
m_RootTreeMapNode.Label = "Tree Map - Industry by Sector";
m_RootTreeMapNode.Palette = palette;
m_RootTreeMapNode.LegendView = new NGroupTreeMapNodeLegendView();
treeMap.RootTreeMapNode = m_RootTreeMapNode;
NXmlElement rootElement = (NXmlElement)xmlDocument.GetChildAt(0);
for (int i = 0; i < rootElement.ChildrenCount; i++)
{
NXmlElement industry = (NXmlElement)rootElement.GetChildAt(i);
NGroupTreeMapNode treeMapSeries = new NGroupTreeMapNode();
treeMapSeries.BorderThickness = new NMargins(4.0);
treeMapSeries.Border = NBorder.CreateFilledBorder(NColor.Black);
treeMapSeries.Padding = new NMargins(2.0);
m_RootTreeMapNode.ChildNodes.Add(treeMapSeries);
treeMapSeries.Label = industry.GetAttributeValue("Name");
treeMapSeries.Tooltip = new NTooltip(treeMapSeries.Label);
for (int j = 0; j < industry.ChildrenCount; j++)
{
NXmlElement company = (NXmlElement)industry.GetChildAt(j);
double value = Double.Parse(company.GetAttributeValue("Size"), CultureInfo.InvariantCulture);
double change = Double.Parse(company.GetAttributeValue("Change"), CultureInfo.InvariantCulture);
string label = company.GetAttributeValue("Name");
NValueTreeMapNode node = new NValueTreeMapNode(value, change, label);
node.Format = "<label> <change_percent>";
node.ChangeValueType = ENChangeValueType.Percentage;
node.Tooltip = new NTooltip(label);
treeMapSeries.ChildNodes.Add(node);
}
}
return(chartView);
}
private NList <NCountry> LoadCountryData()
{
// Get the country list XML stream
Stream stream = NResources.Instance.GetResourceStream("RSTR_CountryList_xml");
// Load an xml document from the stream
NXmlDocument xmlDocument = NXmlDocument.LoadFromStream(stream);
// Process it
NXmlNode rows = xmlDocument.GetChildAt(0).GetChildAt(1);
NList <NCountry> countries = new NList <NCountry>();
for (int i = 0, countryCount = rows.ChildrenCount; i < countryCount; i++)
{
NXmlNode row = rows.GetChildAt(i);
// Get the country name
NCountry country = new NCountry(GetValue(row.GetChildAt(1)));
if (String.IsNullOrEmpty(country.Name))
{
continue;
}
// Get the country's capital
country.Capital = GetValue(row.GetChildAt(6));
if (String.IsNullOrEmpty(country.Capital))
{
continue;
}
// Get the country's currency
country.CurrencyCode = GetValue(row.GetChildAt(7));
country.CurrencyName = GetValue(row.GetChildAt(8));
if (String.IsNullOrEmpty(country.CurrencyCode) || String.IsNullOrEmpty(country.CurrencyName))
{
continue;
}
// Get the country code (ISO 3166-1 2 Letter Code)
country.Code = GetValue(row.GetChildAt(10));
if (String.IsNullOrEmpty(country.Code))
{
continue;
}
// Get the country flag
string flagResourceName = "RIMG_CountryFlags_" + country.Code.ToLower() + "_png";
NEmbeddedResource flagResource = NResources.Instance.GetResource(flagResourceName);
if (flagResource == null)
{
continue;
}
country.Flag = new NImage(new NEmbeddedResourceRef(flagResource));
// Add the country to the list
countries.Add(country);
}
// Sort the countries by name and return them
countries.Sort();
return(countries);
}
