private Grid _series; // grid for series of points
/// <summary>
/// Generates the column chart.
/// </summary>
protected override void GenerateChart()
{
RootElement.Children.Clear();
var data = ItemsSource;
if (data != null && data.Any())
{
double max = Math.Max(0, data.Values.Max());
double min = Math.Min(0, data.Values.Min());
Range dataRange = new Range(min, max);
// Get the label values
var labels = BarChart.GetLabelValues(dataRange, MaxLabel).ToArray();
// The label might be out of the current range (e.g if max value = '99', there will be a label '100')
// Extend the range to include the labels
dataRange.Min = Math.Min(dataRange.Min, labels.Min());
dataRange.Max = Math.Max(dataRange.Max, labels.Max());
// Create chart main structure
GenerateChartStructure();
// Generate the labels
foreach (double val in labels)
{
GenerateLabel(val, dataRange);
}
// Generate data points
foreach (var kvp in data)
{
GenerateDataPoint(kvp, dataRange);
}
}
}
private void UpdateTemplate()
{
var stackPanel = new StackPanel { Orientation = Orientation.Vertical };
Content = stackPanel;
var titleText = new TextBlock
{
Style = _pageSubHeaderTextStyle,
TextWrapping = TextWrapping.Wrap,
};
stackPanel.Children.Add(titleText);
var hasTitle = PopupInfo != null && PopupInfo.Title != null && PopupInfo.Title.Trim().Length > 0;
if (hasTitle)
{
titleText.SetBinding(InlineCollectionProperty, new Binding
{
Path = new PropertyPath("Attributes"),
Source = this,
Converter = new StringFormatToInlineCollectionConverter(),
ConverterParameter = PopupInfo.Title
});
}
if (PopupInfo != null && PopupInfo.Description != null && PopupInfo.Description.Trim().Length > 0)
{
if (!hasTitle)
{
hasTitle = true;
titleText.SetBinding(InlineCollectionProperty, new Binding
{
Path = new PropertyPath("Attributes"),
Source = this,
Converter = new StringFormatToInlineCollectionConverter(),
ConverterParameter = PopupInfo.Description
});
}
var desc = new RichTextBlock
{
FontSize = _controlContentThemeFontSize,
FontFamily = _contentControlThemeFontFamily
};
stackPanel.Children.Add(desc);
var p = new Paragraph();
desc.Blocks.Add(p);
BindingOperations.SetBinding(p,HtmlToTextConverter.HtmlToInlinesProperty, new Binding
{
Path = new PropertyPath("Attributes"),
Source = this,
Converter = new HtmlToTextConverter(),
ConverterParameter = PopupInfo.Description
});
}
else //Show attribute list
{
List<FieldInfo> displayFields = null;
if (PopupInfo != null && PopupInfo.FieldInfos != null)
{
displayFields = new List<FieldInfo>(PopupInfo.FieldInfos.Where(a => a.IsVisible));
}
if (displayFields == null)
return;
var attributes = Attributes as IDictionary<string, object>;
foreach (var item in displayFields)
{
var sp = new StackPanel();
stackPanel.Children.Add(sp);
var l = new TextBlock
{
Style = _baselineTextStyle,
Margin = new Thickness(0, 10, 0, 0),
Text = item.Label ?? item.FieldName,
Foreground = new SolidColorBrush(Colors.DarkGray),
TextWrapping = TextWrapping.Wrap,
TextTrimming = TextTrimming.WordEllipsis
};
sp.Children.Add(l);
if (!hasTitle)
{
hasTitle = true;
titleText.SetBinding(InlineCollectionProperty, new Binding
{
Path = new PropertyPath(string.Format("Attributes[{0}]", item.FieldName)),
Source = this
});
}
var useHyperlink = attributes != null && attributes.ContainsKey(item.FieldName) &&
attributes[item.FieldName] is string && ((string)attributes[item.FieldName]).StartsWith("http");
if (useHyperlink || string.Equals("url", item.FieldName, StringComparison.OrdinalIgnoreCase))
{
var hyperlink = new HyperlinkButton();
sp.Children.Add(hyperlink);
hyperlink.SetBinding(HyperlinkButton.NavigateUriProperty,
new Binding
{
Path = new PropertyPath(string.Format("Attributes[{0}]", item.FieldName)),
Source = this
});
hyperlink.SetBinding(ContentProperty,
new Binding
{
Path = new PropertyPath(string.Format("Attributes[{0}]", item.FieldName)),
Source = this
});
hyperlink.Template = (ControlTemplate)XamlReader.Load(
"<ControlTemplate TargetType='HyperlinkButton' xmlns='http://schemas.microsoft.com/client/2007' >" +
"<TextBlock Text='{TemplateBinding Content}' Padding='0' Margin='0' RenderTransformOrigin='0.5,0.5' TextWrapping='Wrap' TextTrimming ='WordEllipsis'>" +
"<TextBlock.RenderTransform>" +
"<CompositeTransform TranslateY='5' />" +
"</TextBlock.RenderTransform>" +
"</TextBlock>" +
"</ControlTemplate>");
hyperlink.FontFamily = new FontFamily("Segoe UI Light");
hyperlink.FontWeight = FontWeights.Normal;
hyperlink.Margin = new Thickness(0);
hyperlink.Padding = new Thickness(0);
}
else
{
var t = new TextBlock
{
Style = _baselineTextStyle,
Margin = new Thickness(0, 10, 0, 0),
TextWrapping = TextWrapping.Wrap,
TextTrimming = TextTrimming.WordEllipsis
};
sp.Children.Add(t);
t.SetBinding(TextBlock.TextProperty, new Binding
{
Path = new PropertyPath(string.Format("Attributes[{0}]", item.FieldName)),
Source = this
});
}
}
}
if (PopupInfo != null && PopupInfo.MediaInfos != null)
{
foreach (var item in PopupInfo.MediaInfos)
{
if (!string.IsNullOrEmpty(item.Title))
{
var mediaTitle = new TextBlock
{
Style = _baselineTextStyle,
Margin = new Thickness(0, 10, 0, 0),
FontWeight = FontWeights.Bold,
TextWrapping = TextWrapping.Wrap,
TextTrimming = TextTrimming.WordEllipsis
};
stackPanel.Children.Add(mediaTitle);
if (!hasTitle)
{
hasTitle = true;
titleText.SetBinding(InlineCollectionProperty, new Binding
{
Path = new PropertyPath("Attributes"),
Source = this,
Converter = new StringFormatToInlineCollectionConverter(),
ConverterParameter = item.Title
});
}
mediaTitle.SetBinding(TextBlock.TextProperty, new Binding
{
Path = new PropertyPath("Attributes"),
Source = this,
Converter = new StringFormatToStringConverter(),
ConverterParameter = item.Title
});
}
if (!string.IsNullOrEmpty(item.Caption))
{
var mediaCaption = new TextBlock
{
Style = _baselineTextStyle,
Margin = new Thickness(0, 10, 0, 0),
FontStyle = FontStyle.Italic,
TextWrapping = TextWrapping.Wrap,
TextTrimming = TextTrimming.WordEllipsis
};
stackPanel.Children.Add(mediaCaption);
if (!hasTitle)
{
hasTitle = true;
titleText.SetBinding(InlineCollectionProperty, new Binding
{
Path = new PropertyPath("Attributes"),
Source = this,
Converter = new StringFormatToInlineCollectionConverter(),
ConverterParameter = item.Caption
});
}
mediaCaption.SetBinding(TextBlock.TextProperty, new Binding
{
Path = new PropertyPath("Attributes"),
Source = this,
Converter = new StringFormatToStringConverter(),
ConverterParameter = item.Caption
});
}
IEnumerable<KeyValuePair<string,string>> fieldMappings = null;
if (PopupInfo != null && PopupInfo.FieldInfos != null)
{
fieldMappings = from f in PopupInfo.FieldInfos
select (new KeyValuePair<string, string>(f.FieldName, f.Label ?? f.FieldName));
}
BaseChart chart = null;
switch (item.Type)
{
case MediaType.Image:
var imageGrid = new Grid();
stackPanel.Children.Add(imageGrid);
if (!string.IsNullOrEmpty(item.Value.SourceUrl))
{
var image = new Image
{
Margin = new Thickness(0,10,0,0),
Width = 200d,
Height = 200d,
Stretch = Stretch.UniformToFill
};
imageGrid.Children.Add(image);
image.SetBinding(Image.SourceProperty, new Binding
{
Path = new PropertyPath("Attributes"),
Source = this,
Converter = new StringFormatToBitmapSourceConverter(),
ConverterParameter = item.Value.SourceUrl
});
}
if (!string.IsNullOrEmpty(item.Value.LinkUrl))
{
var hyperlinkButton = new HyperlinkButton
{
Margin = new Thickness(0, 10, 0, 0),
Width = 200d,
Height = 200d
};
imageGrid.Children.Add(hyperlinkButton);
hyperlinkButton.SetBinding(HyperlinkButton.NavigateUriProperty, new Binding
{
Path = new PropertyPath("Attributes"),
Source = this,
Converter = new StringFormatToUriConverter(),
ConverterParameter = item.Value.LinkUrl
});
}
break;
case MediaType.BarChart:
chart = new BarChart();
break;
case MediaType.ColumnChart:
chart = new ColumnChart();
break;
case MediaType.LineChart:
chart = new LineChart();
break;
case MediaType.PieChart:
//string normalizeField = item.Value.NormalizeField;
chart = new PieChart();
break;
}
if (chart != null)
{
var fieldString = string.Join(",", item.Value.Fields);
var normalizeField = item.Value.NormalizeField;
if (!string.IsNullOrEmpty(normalizeField) && !normalizeField.Equals("null"))
fieldString += BaseChart.NormalizeSeparator + normalizeField;
chart.Margin = new Thickness(0, 10, 0, 0);
chart.Fields = fieldString;
chart.Height = 200;
chart.Width = 200;
chart.FontSize = 10d;
var keyValuePairs = fieldMappings as KeyValuePair<string, string>[] ?? fieldMappings.ToArray();
if (keyValuePairs.Any())
{
chart.KeyToLabelDictionary = new ResourceDictionary();
foreach (var pair in keyValuePairs)
chart.KeyToLabelDictionary[pair.Key] = pair.Value;
}
stackPanel.Children.Add(chart);
chart.SetBinding(DataContextProperty, new Binding
{
Path = new PropertyPath("Attributes"),
Source = this,
});
}
}
}
}