DotNet 4.8.1 build of DotNetBar
This commit is contained in:
@@ -0,0 +1,622 @@
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Drawing;
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using System.Globalization;
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namespace DevComponents.DotNetBar.Charts.Style
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{
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/// <summary>
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/// Represents the base visual style.
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/// </summary>
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[ToolboxItem(false), DesignTimeVisible(false)]
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public class BaseVisualStyle : INotifyPropertyChanged, IDisposable, IProcessSerialElement
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{
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#region Static data
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static private List<BaseVisualStyle> _StyleList;
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private static StyleUpdateMode _StyleUpdateMode = StyleUpdateMode.Full;
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#endregion
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#region Private variables
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private StyleType _StyleType;
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private BaseVisualStyle _Parent;
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private ushort _StyleUpdateCount;
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private string _Class = "";
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private object _Tag;
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#endregion
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#region Public properties
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#region Class
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/// <summary>
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/// Gets or sets the class style belongs to.
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/// </summary>
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[Browsable(false)]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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public string Class
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{
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get { return (_Class); }
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set
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{
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if (_Class != value)
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{
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_Class = value;
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OnPropertyChangedEx("Class", VisualChangeType.Layout);
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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 virtual bool IsEmpty
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{
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get { return (_Tag == null); }
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}
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#endregion
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#region Tag
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/// <summary>
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/// Gets or sets the user defined reference Tag.
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/// </summary>
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[Browsable(false)]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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[Description("User defined reference Tag.")]
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public object Tag
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{
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get { return (_Tag); }
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set { _Tag = value; }
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}
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#endregion
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#endregion
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#region Internal properties
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#region StyleType
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internal StyleType StyleType
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{
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get { return (_StyleType); }
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set { _StyleType = value; }
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}
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#endregion
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#region StyleUpdateCount
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internal ushort StyleUpdateCount
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{
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get { return (_StyleUpdateCount); }
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set { _StyleUpdateCount = value; }
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}
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#endregion
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#region StyleUpdateMode
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internal StyleUpdateMode StyleUpdateMode
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{
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get { return (_StyleUpdateMode); }
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set { _StyleUpdateMode = value; }
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}
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#endregion
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#region Parent
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internal BaseVisualStyle Parent
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{
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get { return (_Parent); }
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set { _Parent = value; }
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}
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#endregion
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#region StyleList
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internal List<BaseVisualStyle> StyleList
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{
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get { return (_StyleList); }
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set { _StyleList = value; }
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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(BaseVisualStyle style)
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{
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if (StyleList != null)
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StyleList.Add(style ?? this);
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}
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#endregion
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#region GetApplyStyleTypes
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internal StyleType[] GetApplyStyleTypes(StyleType e)
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{
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StyleType[] css = null;
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switch (e)
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{
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case StyleType.Default:
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css = new StyleType[] { StyleType.Default};
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break;
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case StyleType.MouseOver:
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css = new StyleType[] { StyleType.Default, e };
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break;
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case StyleType.Selected:
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css = new StyleType[] { StyleType.Default, e };
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break;
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case StyleType.SelectedMouseOver:
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css = new StyleType[] { StyleType.Default, StyleType.Selected, e };
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break;
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}
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return (css);
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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 BaseVisualStyle Copy()
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{
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BaseVisualStyle style = new BaseVisualStyle();
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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(BaseVisualStyle copy)
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{
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copy.Class = _Class;
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copy.Tag = _Tag;
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}
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#endregion
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#region GetSerialData
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internal virtual SerialElementCollection GetSerialData(string serialName)
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{
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if ((String.IsNullOrEmpty(Class) == false) || (Tag != null))
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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 = "BaseVisualStyle";
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sec.AddStartElement(serialName);
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}
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sec.AddValue("Class", Class, "");
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sec.AddValue("Tag", Tag, 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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return (null);
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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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void IProcessSerialElement.ProcessValue(SerialElement se)
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{
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ProcessValue(se);
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}
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internal virtual void ProcessValue(SerialElement se)
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{
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switch (se.Name)
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{
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case "Name":
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Class = se.StringValue;
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break;
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case "Tag":
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Tag = se.DataValue;
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break;
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default:
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throw new Exception("Unknown Serial Value (" + se.Name + ")");
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}
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}
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#endregion
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#region ProcessCollection
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void IProcessSerialElement.ProcessCollection(SerialElement se)
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{
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ProcessCollection(se);
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}
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internal virtual void ProcessCollection(SerialElement se)
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{
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throw new Exception("Unknown Serial Collection (" + se.Name + ")");
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}
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#endregion
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#endregion
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#region ApplyDefaults
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public virtual void ApplyDefaults()
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{
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}
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#endregion
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#region INotifyPropertyChanged Members
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/// <summary>
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/// Occurs when property value has changed.
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/// </summary>
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public event PropertyChangedEventHandler PropertyChanged;
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/// <summary>
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/// Raises the PropertyChanged event.
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/// </summary>
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/// <param name="e">Event arguments</param>
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protected virtual void OnPropertyChanged(PropertyChangedEventArgs e)
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{
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if ((StyleUpdateMode & StyleUpdateMode.UpdateCount) == StyleUpdateMode.UpdateCount)
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StyleUpdateCount++;
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if ((StyleUpdateMode & StyleUpdateMode.Notify) == StyleUpdateMode.Notify)
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{
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if (PropertyChanged != null)
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PropertyChanged(this, e);
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}
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}
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/// <summary>
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/// Default PropertyChanged processing
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/// </summary>
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/// <param name="s"></param>
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protected void OnPropertyChanged(string s)
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{
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if ((StyleUpdateMode & StyleUpdateMode.UpdateCount) == StyleUpdateMode.UpdateCount)
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StyleUpdateCount++;
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if (PropertyChanged != null)
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OnPropertyChanged(new VisualPropertyChangedEventArgs(s));
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}
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/// <summary>
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/// Default PropertyChanged processing
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/// </summary>
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/// <param name="s"></param>
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/// <param name="changeType">invalidate</param>
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protected void OnPropertyChangedEx(string s, VisualChangeType changeType)
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{
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if ((StyleUpdateMode & StyleUpdateMode.UpdateCount) == StyleUpdateMode.UpdateCount)
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StyleUpdateCount++;
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if (PropertyChanged != null)
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OnPropertyChanged(new VisualPropertyChangedEventArgs(s, changeType));
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}
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#endregion
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#region UpdateChangeHandler
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/// <summary>
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/// UpdateChangeHandler
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/// </summary>
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/// <param name="oldValue"></param>
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/// <param name="newValue"></param>
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protected void UpdateChangeHandler(
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INotifyPropertyChanged oldValue, INotifyPropertyChanged newValue)
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{
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if (oldValue != null)
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oldValue.PropertyChanged -= ValuePropertyChanged;
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if (newValue != null)
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newValue.PropertyChanged += ValuePropertyChanged;
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}
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void ValuePropertyChanged(object sender, PropertyChangedEventArgs e)
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{
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OnPropertyChanged(e);
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}
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#endregion
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#region OnStyleChanged
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protected void OnStyleChanged(string property,
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INotifyPropertyChanged oldValue, INotifyPropertyChanged newValue)
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{
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UpdateChangeHandler(oldValue, newValue);
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OnPropertyChanged(property);
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}
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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 virtual void Dispose()
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{
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}
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#endregion
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}
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#region enums
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#region StyleState
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///<summary>
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/// StyleState
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///</summary>
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[Flags]
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public enum StyleState
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{
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///<summary>
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/// Default
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///</summary>
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Default = 0,
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///<summary>
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/// MouseOver
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///</summary>
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MouseOver = (1 << 0),
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///<summary>
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/// Selected
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///</summary>
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Selected = (1 << 1),
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}
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#endregion
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#region StyleType
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///<summary>
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/// StyleType
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///</summary>
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public enum StyleType
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{
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///<summary>
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/// CellStyle is Not Set
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///</summary>
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NotSet = -1,
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///<summary>
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/// Default
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///</summary>
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Default = 0,
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///<summary>
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/// MouseOver
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///</summary>
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MouseOver,
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///<summary>
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/// Selected
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///</summary>
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Selected,
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///<summary>
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/// SelectedMouseOver
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///</summary>
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SelectedMouseOver,
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}
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#endregion
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#region StyleUpdateMode
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[Flags]
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internal enum StyleUpdateMode
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{
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None = 0,
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Notify = (1 << 0),
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UpdateCount = (1 << 1),
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Full = (UpdateCount | Notify),
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}
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#endregion
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#region Tbool
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///<summary>
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/// TBool - Three state boolean
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///</summary>
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public enum Tbool
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{
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///<summary>
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/// NotSet
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///</summary>
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NotSet,
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///<summary>
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/// True
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///</summary>
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True,
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///<summary>
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/// False
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///</summary>
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False
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}
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#endregion
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#region VisualChangeType
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/// <summary>
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/// Defines visual property change type.
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/// </summary>
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public enum VisualChangeType
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{
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/// <summary>
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/// Visual style has changed so Recalc is needed
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/// </summary>
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Recalc,
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/// <summary>
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/// Visual style has changed so layout is impacted, but not recalc
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/// </summary>
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Layout,
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/// <summary>
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/// Visual style has changed so visuals are impacted, but not layout
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/// </summary>
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Render
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}
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#endregion
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#endregion
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#region VisualPropertyChangedEventArgs
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/// <summary>
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/// Represents visual property changed event arguments.
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/// </summary>
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public class VisualPropertyChangedEventArgs : PropertyChangedEventArgs
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{
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#region Public data
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/// <summary>
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/// Gets the change type.
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/// </summary>
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public readonly VisualChangeType ChangeType;
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#endregion
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/// <summary>
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/// Initializes a new instance of the VisualPropertyChangedEventArgs class.
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/// </summary>
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public VisualPropertyChangedEventArgs(string propertyName)
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: base(propertyName)
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{
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ChangeType = VisualChangeType.Layout;
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}
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/// <summary>
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/// Initializes a new instance of the VisualPropertyChangedEventArgs class.
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/// </summary>
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public VisualPropertyChangedEventArgs(string propertyName, VisualChangeType changeType)
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: base(propertyName)
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{
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ChangeType = changeType;
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}
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}
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#endregion
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#region VisualStylesConverter
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///<summary>
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/// VisualStylesConverter
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///</summary>
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public class VisualStylesConverter : ExpandableObjectConverter
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{
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/// <summary>
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/// ConvertTo
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/// </summary>
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/// <param name="context"></param>
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/// <param name="culture"></param>
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/// <param name="value"></param>
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/// <param name="destinationType"></param>
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/// <returns></returns>
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public override object ConvertTo(
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ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
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{
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if (destinationType == typeof(string))
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return (" ");
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return (base.ConvertTo(context, culture, value, destinationType));
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}
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}
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#endregion
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#region DefaultStyleConvertor
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public class DefaultStyleConvertor : ExpandableObjectConverter
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{
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public override object ConvertTo(
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ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
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{
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if (destinationType == typeof(string))
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{
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BaseVisualStyle bvs = value as BaseVisualStyle;
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if (bvs != null)
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{
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ColorConverter cvt = new ColorConverter();
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return ((bvs.IsEmpty == true) ? " " : "(Set)");
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}
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}
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return (base.ConvertTo(context, culture, value, destinationType));
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}
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}
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#endregion
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}
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Reference in New Issue
Block a user