492 lines
15 KiB
C#
492 lines
15 KiB
C#
using System;
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using System.ComponentModel;
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using System.Drawing;
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namespace DevComponents.DotNetBar.Charts.Style
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{
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///<summary>
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/// PieChartVisualStyles
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///</summary>
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[TypeConverter(typeof(VisualStylesConverter))]
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public class PieChartVisualStyles : VisualStyles<PieChartVisualStyle>
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{
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#region Copy
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/// <summary>
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/// Returns the copy of the style.
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/// </summary>
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/// <returns>Copy of the style.</returns>
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public PieChartVisualStyles Copy()
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{
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PieChartVisualStyles styles = new PieChartVisualStyles();
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for (int i = 0; i < Styles.Length; i++)
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{
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PieChartVisualStyle vstyle = Styles[i];
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if (vstyle != null)
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styles.Styles[i] = vstyle.Copy();
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}
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return (styles);
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}
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#endregion
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}
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/// <summary>
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/// Represents the visual style of a Pie Chart element.
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/// </summary>
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[TypeConverter(typeof(BlankExpandableObjectConverter))]
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public class PieChartVisualStyle : ContainerVisualStyle
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{
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#region Private variables
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private Background _AlternateGridBackground;
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private PieGridLineVisualStyle _GridLineVisualStyle;
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private PieReferenceLineVisualStyle _ReferenceLineVisualStyle;
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private PieCenterVisualStyles _PieCenterVisualStyles;
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#endregion
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#region Public properties
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#region AlternateGridBackground
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/// <summary>
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/// Gets or sets the alternate, or interlaced, pie background (used
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/// when ShowPieGrid is enabled).
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/// </summary>
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[Description("Indicates the alternate, or interlaced, pie background (used when ShowPieGrid is enabled)")]
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public Background AlternateGridBackground
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{
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get
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{
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if (_AlternateGridBackground == null)
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{
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_AlternateGridBackground = Background.Empty;
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UpdateChangeHandler(null, _AlternateGridBackground);
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}
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return (_AlternateGridBackground);
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}
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set
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{
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if (_AlternateGridBackground != value)
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{
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UpdateChangeHandler(_AlternateGridBackground, value);
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_AlternateGridBackground = value;
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OnPropertyChangedEx("AlternateGridBackground", VisualChangeType.Render);
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}
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}
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}
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/// <summary>
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/// Gets whether property should be serialized.
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/// </summary>
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[EditorBrowsable(EditorBrowsableState.Never)]
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private bool ShouldSerializeAlternateGridBackground()
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{
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return (_AlternateGridBackground != null && _AlternateGridBackground.IsEmpty == false);
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}
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/// <summary>
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/// Resets property to its default value.
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/// </summary>
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[EditorBrowsable(EditorBrowsableState.Never)]
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private void ResetAlternateGridBackground()
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{
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AlternateGridBackground = null;
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}
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#endregion
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#region GridLineVisualStyle
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/// <summary>
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/// Gets or sets the visual style to be used for GridLine elements.
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/// </summary>
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[Category("Style")]
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[Description("Indicates visual style to be used for GridLine elements.")]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
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public PieGridLineVisualStyle GridLineVisualStyle
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{
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get
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{
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if (_GridLineVisualStyle == null)
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{
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_GridLineVisualStyle = new PieGridLineVisualStyle();
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UpdateChangeHandler(null, _GridLineVisualStyle);
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}
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return (_GridLineVisualStyle);
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}
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set
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{
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if (_GridLineVisualStyle != value)
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{
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PieGridLineVisualStyle oldValue = _GridLineVisualStyle;
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_GridLineVisualStyle = value;
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OnStyleChanged("GridLinesVisualStyle", oldValue, value);
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}
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}
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}
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#endregion
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#region PieCenterVisualStyles
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/// <summary>
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/// Gets or sets the visual styles to be used for Pie Center elements.
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/// </summary>
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[Category("Style")]
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[Description("Indicates visual styles to be used for Pie Center elements.")]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
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public PieCenterVisualStyles PieCenterVisualStyles
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{
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get
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{
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if (_PieCenterVisualStyles == null)
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{
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_PieCenterVisualStyles = new PieCenterVisualStyles();
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UpdateChangeHandler(null, _PieCenterVisualStyles);
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UpdatePropertyHandler(null, _PieCenterVisualStyles);
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}
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return (_PieCenterVisualStyles);
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}
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set
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{
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if (value != _PieCenterVisualStyles)
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{
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PieCenterVisualStyles oldValue = _PieCenterVisualStyles;
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_PieCenterVisualStyles = value;
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OnStyleChanged("PieCenterVisualStyles", oldValue, value);
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UpdatePropertyHandler(oldValue, value);
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}
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}
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}
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#region UpdatePropertyHandler
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protected void UpdatePropertyHandler(
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PieCenterVisualStyles oldValue, PieCenterVisualStyles newValue)
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{
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if (oldValue != null)
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{
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for (int i = 0; i < oldValue.Count; i++)
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{
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BaseVisualStyle style = oldValue[(StyleType)i];
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style.PropertyChanged -= style_PropertyChanged;
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}
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}
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if (newValue != null)
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{
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for (int i = 0; i < newValue.Count; i++)
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{
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BaseVisualStyle style = newValue[(StyleType)i];
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style.PropertyChanged += style_PropertyChanged;
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}
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}
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}
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#region style_PropertyChanged
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void style_PropertyChanged(object sender, PropertyChangedEventArgs e)
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{
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BaseVisualStyle style = sender as BaseVisualStyle;
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if (style != null)
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{
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style.StyleUpdateCount++;
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BaseVisualStyle parent = style.Parent;
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while (parent != null)
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{
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parent.StyleUpdateCount++;
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parent = parent.Parent;
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}
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}
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}
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#endregion
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#endregion
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#endregion
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#region ReferenceLineVisualStyle
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/// <summary>
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/// Gets or sets the visual style to be used for ReferenceLine elements
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/// </summary>
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[Category("Style")]
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[Description("Indicates visual style to be used for ReferenceLine elements ")]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
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public PieReferenceLineVisualStyle ReferenceLineVisualStyle
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{
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get
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{
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if (_ReferenceLineVisualStyle == null)
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{
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_ReferenceLineVisualStyle = new PieReferenceLineVisualStyle();
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UpdateChangeHandler(null, _ReferenceLineVisualStyle);
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}
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return (_ReferenceLineVisualStyle);
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}
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set
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{
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if (_ReferenceLineVisualStyle != value)
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{
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PieReferenceLineVisualStyle oldValue = _ReferenceLineVisualStyle;
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_ReferenceLineVisualStyle = value;
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OnStyleChanged("ReferenceLineVisualStyle", oldValue, value);
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}
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}
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}
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#endregion
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#region IsEmpty
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/// <summary>
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/// Gets whether the style is logically Empty.
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/// </summary>
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[Browsable(false)]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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[Description("Gets whether the style is logically Empty.")]
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public override bool IsEmpty
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{
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get
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{
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return ((_AlternateGridBackground == null || _AlternateGridBackground.IsEmpty) &&
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(_GridLineVisualStyle == null || _GridLineVisualStyle.IsEmpty) &&
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(_PieCenterVisualStyles == null || _PieCenterVisualStyles.IsEmpty) &&
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(_ReferenceLineVisualStyle == null || _ReferenceLineVisualStyle.IsEmpty) &&
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(base.IsEmpty == true));
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}
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}
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#endregion
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#endregion
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#region ApplyStyle
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/// <summary>
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/// Applies the style to instance of this style.
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/// </summary>
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/// <param name="style">Style to apply.</param>
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public void ApplyStyle(PieChartVisualStyle style)
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{
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base.ApplyStyle(style);
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if (style != null)
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{
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if (style._AlternateGridBackground != null && style.AlternateGridBackground.IsEmpty == false)
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AlternateGridBackground = style.AlternateGridBackground.Copy();
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if (style._GridLineVisualStyle != null && style._GridLineVisualStyle.IsEmpty == false)
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GridLineVisualStyle.ApplyStyle(style.GridLineVisualStyle);
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if (style._PieCenterVisualStyles != null)
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{
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for (int i = 0; i < style._PieCenterVisualStyles.Styles.Length; i++)
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{
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if (style._PieCenterVisualStyles.Styles[i] != null)
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PieCenterVisualStyles.GetStyle(i).ApplyStyle(style._PieCenterVisualStyles.Styles[i]);
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}
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}
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if (style._ReferenceLineVisualStyle != null && style._ReferenceLineVisualStyle.IsEmpty == false)
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ReferenceLineVisualStyle.ApplyStyle(style._ReferenceLineVisualStyle);
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}
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}
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#endregion
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#region ApplyDefaults
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public override void ApplyDefaults()
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{
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if (Alignment == Alignment.NotSet)
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Alignment = Alignment.MiddleCenter;
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if (_AlternateGridBackground == null)
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AlternateGridBackground = new Background(Color.AliceBlue);
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GridLineVisualStyle.ApplyDefaults();
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if (_GridLineVisualStyle.LineColor.IsEmpty == true)
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GridLineVisualStyle.LineColor = Color.LightGray;
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ReferenceLineVisualStyle.ApplyDefaults();
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base.ApplyDefaults();
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}
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#endregion
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#region Copy
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/// <summary>
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/// Returns the copy of the style.
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/// </summary>
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/// <returns>Copy of the style.</returns>
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public new PieChartVisualStyle Copy()
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{
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PieChartVisualStyle style = new PieChartVisualStyle();
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CopyTo(style);
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return (style);
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}
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#endregion
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#region CopyTo
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/// <summary>
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/// Returns the copy of the style.
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/// </summary>
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/// <returns>Copy of the style.</returns>
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public void CopyTo(PieChartVisualStyle style)
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{
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base.CopyTo(style);
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style.AlternateGridBackground = (_AlternateGridBackground != null) ? _AlternateGridBackground.Copy() : null;
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style.GridLineVisualStyle = (_GridLineVisualStyle != null) ? _GridLineVisualStyle.Copy() : null;
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style.ReferenceLineVisualStyle = (_ReferenceLineVisualStyle != null) ? _ReferenceLineVisualStyle.Copy() : null;
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style.PieCenterVisualStyles = (_PieCenterVisualStyles != null) ? _PieCenterVisualStyles.Copy() : null;
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}
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#endregion
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#region GetSerialData
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internal override SerialElementCollection GetSerialData(string serialName)
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{
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SerialElementCollection sec = new SerialElementCollection();
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if (serialName != null)
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{
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if (serialName.Equals("") == true)
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serialName = "PieChartVisualStyle";
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sec.AddStartElement(serialName);
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}
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if (_AlternateGridBackground != null && _AlternateGridBackground.IsEmpty == false)
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sec.AddElement(_AlternateGridBackground.GetSerialData("AlternateBackground"));
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if (_GridLineVisualStyle != null && _GridLineVisualStyle.IsEmpty == false)
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sec.AddElement(_GridLineVisualStyle.GetSerialData("GridLineVisualStyle"));
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if (_PieCenterVisualStyles != null && _PieCenterVisualStyles.IsEmpty == false)
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sec.AddElement(_PieCenterVisualStyles.GetSerialData("PieCenterVisualStyles"));
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if (_ReferenceLineVisualStyle != null && _ReferenceLineVisualStyle.IsEmpty == false)
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sec.AddElement(_ReferenceLineVisualStyle.GetSerialData("ReferenceLineVisualStyle"));
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sec.AddElement(base.GetSerialData(null));
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if (serialName != null)
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sec.AddEndElement(serialName);
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return (sec);
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}
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#endregion
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#region PutSerialData
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#region ProcessValue
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internal override void ProcessValue(SerialElement se)
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{
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switch (se.Name)
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{
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default:
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base.ProcessValue(se);
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break;
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}
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}
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#endregion
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#region ProcessCollection
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internal override void ProcessCollection(SerialElement se)
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{
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SerialElementCollection sec = se.Sec;
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switch (se.Name)
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{
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case "AlternateBackground":
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sec.PutSerialData(AlternateGridBackground);
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break;
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case "GridLineVisualStyle":
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sec.PutSerialData(GridLineVisualStyle);
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break;
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case "PieCenterVisualStyles":
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sec.PutSerialData(PieCenterVisualStyles);
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break;
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case "ReferenceLineVisualStyle":
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sec.PutSerialData(ReferenceLineVisualStyle);
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break;
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default:
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base.ProcessCollection(se);
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break;
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}
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}
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#endregion
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#endregion
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#region IDisposable
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/// <summary>
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/// Dispose
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/// </summary>
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public override void Dispose()
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{
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AlternateGridBackground = null;
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GridLineVisualStyle = null;
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PieCenterVisualStyles = null;
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base.Dispose();
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}
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#endregion
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}
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}
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