/// <summary>
/// When the user double click the control, we allow him to change the clicked group's color
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void skillPieChartControl_DoubleClick(object sender, EventArgs e)
{
// Retrieve the clicked segment
MouseEventArgs ev = (MouseEventArgs)e;
PieChart3D m_pieChart = skillPieChartControl.PieChart;
int index = m_pieChart.FindPieSliceUnderPoint(new PointF(ev.X, ev.Y));
// If none clicked, we return. Otherwise we open the color picker.
if (index == -1)
{
return;
}
if (m_colorDialog.ShowDialog() != DialogResult.OK)
{
return;
}
// The user picked a new color, we update our colors list.
if (sortBySizeCheck.Checked)
{
int realIndex = skillPieChartControl.GetIndex(index);
skillPieChartControl.Colors[realIndex] = Color.FromArgb(125, m_colorDialog.Color);
}
else
{
skillPieChartControl.Colors[index] = Color.FromArgb(125, m_colorDialog.Color);
}
// Forces an update of the control
skillPieChartControl.OrderSlices(sortBySizeCheck.Checked);
}
/// <summary>
/// Sets values for the chart and draws them.
/// </summary>
/// <param name="graphics">
/// Graphics object used for drawing.
/// </param>
protected void DoDraw(IGUIContext ctx, Rectangle bounds)
{
if (m_values != null && m_values.Length > 0)
{
float width = bounds.Width - m_leftMargin - m_rightMargin;
float height = bounds.Height - m_topMargin - m_bottomMargin;
// if the width or height if <=0 an exception would be thrown -> exit method..
if (width <= 0 || height <= 0)
return;
if (m_pieChart != null)
m_pieChart.Dispose();
if (m_colors != null && m_colors.Length > 0)
m_pieChart = new PieChart3D(ctx, bounds.Left + m_leftMargin, bounds.Top + m_topMargin, width, height, m_values, m_colors, m_sliceRelativeHeight, m_texts);
else
m_pieChart = new PieChart3D(ctx, bounds.Left + m_leftMargin, bounds.Top + m_topMargin, width, height, m_values, m_sliceRelativeHeight, m_texts);
m_pieChart.FitToBoundingRectangle = m_fitChart;
m_pieChart.InitialAngle = m_initialAngle;
m_pieChart.SliceRelativeDisplacements = m_relativeSliceDisplacements;
m_pieChart.EdgeColorType = m_edgeColorType;
m_pieChart.EdgeLineWidth = m_edgeLineWidth;
m_pieChart.ShadowStyle = m_shadowStyle;
m_pieChart.HighlightedIndex = m_highlightedIndex;
m_pieChart.Draw(ctx, bounds);
m_pieChart.Font = this.Font;
m_pieChart.ForeColor = this.ForeColor;
m_pieChart.PlaceTexts(ctx);
}
}
/// <summary>
/// 绑定Chart图
/// </summary>
public void DataBind()
{
DefineChartStyle();
DataTable data = ConvertDataTable();
PieChart3D.DataSource = data;
PieChart3D.DataBind();
}
public PrintChart(PieChart3D pieChart)
{
m_pieChart = pieChart;
}
