/// <summary>
/// Called when [update chart].
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="args">The <see cref="BCSPowerPointAddin.ChartDataEventArgs"/> instance containing the event data.</param>
public void OnUpdateChart(object sender, ChartDataEventArgs args)
{
if (args != null)
{
ChartDataObject chartDataObject = args.ChartDataObject;
UpdateChart(chartDataObject);
}
}
/// <summary>
/// Processes the chart data.
/// </summary>
/// <param name="chartDataObject">The chart data object.</param>
/// <param name="chart">The chart.</param>
/// <param name="shape">The shape.</param>
/// <returns></returns>
private static Chart AssignExternalDataToChart(ChartDataObject chartDataObject, Chart chart, Shape shape)
{
chart = shape.Chart;
chart.ChartArea.ClearContents();
object[] Values = new object[chartDataObject.XValues.Count()];
for (int i = 0; i < chartDataObject.Data.Rows.Count; i++)
{
for (int j = 0; j < chartDataObject.XValues.Length; j++)
{
Values[j] = chartDataObject.Data.Rows[i][chartDataObject.XValues[j].ToString()];
}
SeriesCollection SeriesCollection = chart.SeriesCollection() as SeriesCollection;
//Create new series based on the data
Series Series = SeriesCollection.NewSeries();
Series.Name = chartDataObject.Data.Rows[i][chartDataObject.SeriesName].ToString();
Series.XValues = chartDataObject.XValues;
Series.Values = Values;
}
return(chart);
}
/// <summary>
/// Gets the chart data object.
/// </summary>
/// <param name="entity">The entity.</param>
/// <returns></returns>
private ChartDataEventArgs GetChartDataObject(IEntity entity)
{
ChartDataObject chartObject = new ChartDataObject();
chartObject.Data = EntityDataLookup[entity];
chartObject.Entity = ectList.SelectedItem as IEntity;
chartObject.SeriesName = seriesList.SelectedItem as string;
chartObject.XValues = new string[chkCategories.CheckedItems.Count];
int counter = 0;
foreach (string item in chkCategories.CheckedItems)
{
chartObject.XValues[counter] = item;
counter++;
}
ChartDataEventArgs args = new ChartDataEventArgs();
args.ChartDataObject = chartObject;
return(args);
}
/// <summary>
/// Updates the chart.
/// </summary>
/// <param name="chartDataObject">The chart data object.</param>
public void UpdateChart(ChartDataObject chartDataObject)
{
Chart chart = null;
Shape shape = null;
Microsoft.Office.Interop.Excel.Workbook Workbook = null;
Microsoft.Office.Interop.Excel.Application Application = null;
try
{
Selection selection = this.Application.ActiveWindow.Selection;
if (selection.Type == PpSelectionType.ppSelectionShapes && selection.ShapeRange.HasChart == Office.MsoTriState.msoTrue)
{
int count = selection.ShapeRange.Count;
for (int i = 0; i < count; i++)
{
//Loop through all shapes
shape = selection.ShapeRange[i + 1];
if (shape.HasChart == Office.MsoTriState.msoTrue)
{
//Set the first chart in the selection
chart = shape.Chart;
if (chart != null)
{
break;
}
}
}
if (chart == null)
{
return;
}
chart = AssignExternalDataToChart(chartDataObject, chart, shape);
chart.ChartData.Activate();
}
}
finally
{
//Close the Excel Workbook and clean up resources
if (chart != null && chart.ChartData != null)
{
Workbook = chart.ChartData.Workbook as Microsoft.Office.Interop.Excel.Workbook;
if (Workbook != null)
{
Application = Workbook.Application;
}
if (Application != null && Workbook != null)
{
//Quit Excel Application
Application.Quit();
Application = null;
Workbook = null;
//Force GC, this is recommended for releasing resources since,
//quitting Excel doesnt ensure resources are cleaned immediatly
GC.Collect();
GC.WaitForPendingFinalizers();
//Repeated calls is necessary is because memory for the Excel
//would have survived for the first pass
//Hence second try to recalim completely.
GC.Collect();
GC.WaitForPendingFinalizers();
}
}
}
}
/// <summary>
/// Inserts the chart.
/// </summary>
/// <param name="chartDataObject">The chart data object.</param>
public void InsertChart(ChartDataObject chartDataObject)
{
Chart chart = null;
Shape shape = null;
Microsoft.Office.Interop.Excel.Workbook Workbook = null;
Microsoft.Office.Interop.Excel.Application Application = null;
try
{
//Add the new slide
Slide slide = this.Application.ActivePresentation.Slides.Add(this.Application.ActivePresentation.Slides.Count + 1, PpSlideLayout.ppLayoutChart);
//Insert the chart
shape = slide.Shapes.AddChart(Office.XlChartType.xlLine);
chart = shape.Chart;
//Clear the chart contents
chart.ChartArea.ClearContents();
object[] Values = new object[chartDataObject.XValues.Count()];
for (int i = 0; i < chartDataObject.Data.Rows.Count; i++)
{
for (int j = 0; j < chartDataObject.XValues.Length; j++)
{
Values[j] = chartDataObject.Data.Rows[i][chartDataObject.XValues[j].ToString()];
}
SeriesCollection SeriesCollection = chart.SeriesCollection() as SeriesCollection;
//Create new series based on the data
Series Series = SeriesCollection.NewSeries();
Series.Name = chartDataObject.Data.Rows[i][chartDataObject.SeriesName].ToString();
Series.XValues = chartDataObject.XValues;
Series.Values = Values;
}
//Activate the chart to refresh with the fresh data.
chart.ChartData.Activate();
}
finally
{
//Close the Excel Workbook and clean up resources.
if (chart != null && chart.ChartData != null)
{
Workbook = chart.ChartData.Workbook as Microsoft.Office.Interop.Excel.Workbook;
if (Workbook != null)
{
Application = Workbook.Application;
}
if (Application != null && Workbook != null)
{
//Quit Excel Application
Application.Quit();
Application = null;
Workbook = null;
//Force the GC, this is recommended for releasing the resources.
//Quitting Excel doesnt ensure resources are cleaned immediatly
GC.Collect();
GC.WaitForPendingFinalizers();
//Repeated calls is necessary is because the memory for the Excel
//would have survived for the first pass.
//Hence the second try to recalim completely.
GC.Collect();
GC.WaitForPendingFinalizers();
}
}
}
}
