当前文件： CodefanCalendar/Controls/CodefanEditor.cs[5K，2009-6-12 11:36:08]，打开代码结构图

		            
  1using System;
  2using System.Collections.Generic;
  3using System.ComponentModel;
  4using System.Text;
  5using System.Web;
  6using System.Web.UI;
  7using System.Web.UI.WebControls;
  8using System.Drawing.Design;
  9using System.Collections.Specialized;
 10
 11[assembly: TagPrefix("Codefan.Controls", "Codefan")]
 12
 13namespace Codefan.Controls
 14...{
 15    [DefaultProperty("Text")]
 16    [ToolboxData("<{0}:CodefanEditor runat=server></{0}:CodefanEditor>")]
 17    [Designer("Codefan.Controls.EditorDesigner")]
 18    public class CodefanEditor:Control,IPostBackDataHandler
 19    ...{
 20        private static readonly object ValueChangedEvent;
 21
 22        /**//// <summary>
 23        /// 值改变事件
 24        /// </summary>
 25        public event EventHandler ValueChanged
 26        ...{
 27            add
 28            ...{
 29                base.Events.AddHandler(ValueChangedEvent, value);
 30            }
 31            remove
 32            ...{
 33                base.Events.RemoveHandler(ValueChangedEvent, value);
 34            }
 35        }
 36
 37        protected virtual void OnValueChanged(EventArgs e)
 38        ...{
 39            if (base.Events != null)
 40            ...{
 41                EventHandler handler=(EventHandler)base.Events[ValueChangedEvent];
 42                if (handler != null)
 43                ...{
 44                    handler(this, e);
 45                }
 46            }
 47        }
 48
 49        void IPostBackDataHandler.RaisePostDataChangedEvent()
 50        ...{
 51            this.OnValueChanged(EventArgs.Empty);
 52        }
 53        bool IPostBackDataHandler.LoadPostData(string postDataKey, NameValueCollection postCollection)
 54        ...{
 55            if (postCollection[postDataKey] != this.Text)
 56            ...{
 57                this.Text = postCollection[postDataKey];
 58                return true;
 59            }
 60            return false;
 61        }
 62
 63        static CodefanEditor()
 64        ...{
 65            ValueChangedEvent = new object();
 66        }
 67
 68        public CodefanEditor()
 69        ...{
 70
 71        }
 72
 73        /**//// <summary>
 74        /// 编辑器高度设定，默认值为300px
 75        /// </summary>
 76        public Unit Height
 77        ...{
 78            get
 79            ...{
 80                object obj = this.ViewState["Height"];
 81                return ((obj == null) ? Unit.Parse("300px") : ((Unit)obj));
 82            }
 83            set
 84            ...{
 85                this.ViewState["Height"] = value;
 86            }
 87        }
 88
 89        /**//// <summary>
 90        /// 编辑器宽度设定，默认值为621px
 91        /// </summary>
 92        public Unit Width
 93        ...{
 94            get
 95            ...{
 96                object obj = this.ViewState["Width"];
 97                return ((obj == null) ? Unit.Parse("621px") : ((Unit)obj));
 98            }
 99            set
100            ...{
101                this.ViewState["Width"] = value;
102            }
103        }
104
105        /**//// <summary>
106        /// 编辑器内部的文本信息
107        /// </summary>
108        public String Text
109        ...{
110            get
111            ...{
112                object obj = this.ViewState["Text"];
113                return ((obj == null) ? string.Empty : (String)obj);
114            }
115            set
116            ...{
117                this.ViewState["Text"] = value;
118            }
119
120        }
121
122        
123        /**//// <summary>
124        /// 编辑器页面路径
125        /// </summary>
126        private String EditorPath
127        ...{
128            get
129            ...{
130                String path = ResolveUrl("~/Codefan-Controls/Editor/editor.htm");
131                return path;
132            }
133        }
134
135        /**//// <summary>
136        /// Render
137        /// </summary>
138        /// <param name="writer"></param>
139        protected override void Render(HtmlTextWriter writer)
140        ...{
141            base.Render(writer);
142            String str = String.Format("<input type=\"hidden\" id=\"{0}\" name=\"{0}\" value=\"{1}\" />", this.UniqueID, HttpUtility.HtmlEncode(this.Text));
143            writer.Write(str);
144            str = String.Format("<iframe id=\"{0}\" src=\"{4}\" frameBorder=\"0\" scrolling=\"no\" width=\"{2}\" height=\"{3}\"" +
145                " onload=\"setTimeout('if(document.all)window.frames[\\'{0}\\'].$(\\'c\\').contentWindow.document.body.innerHTML=\\'<div>\\'+document.getElementById(\\'{1}\\').value+\\'</div>\\';else document.getElementById(\\'{0}\\').contentWindow.$(\\'c\\').contentWindow.document.body.innerHTML=\\'<div>\\'+document.getElementById(\\'{1}\\').value+\\'</div>\\';',400);setInterval('if(document.all)document.getElementById(\\'{1}\\').value=window.frames[\\'{0}\\'].$(\\'c\\').contentWindow.document.body.innerHTML;else document.getElementById(\\'{1}\\').value=document.getElementById(\\'{0}\\').contentWindow.$(\\'c\\').contentWindow.document.body.innerHTML;',500)\" ></iframe>", this.ID + "_Editor", this.UniqueID, this.Width, this.Height, this.EditorPath);
146            writer.Write(str);
147        }
148    }
149
150    /**//// <summary>
151    /// 编辑器设计期样子
152    /// </summary>
153    public class EditorDesigner : System.Web.UI.Design.ControlDesigner
154    ...{
155        /**//// <summary>
156        /// 默认构造函数
157        /// </summary>
158        public EditorDesigner() ...{ }
159
160        /**//// <summary>
161        /// 返回设计时展示的样子
162        /// </summary>
163        /// <returns></returns>
164        public override string GetDesignTimeHtml()
165        ...{
166            CodefanEditor e = (CodefanEditor)base.Component;
167            return String.Format("<div style=\"width:{0};height:{1};border:1pt solid #black;background:#e6e6e6;padding:4px;\">This is the CodefanEditorV1.0,More Codefan-Controls please click <a href='http://www.codefan.net/'>http://www.codefan.net/</a></div>", e.Width, e.Height);
168        }
169    }
170}
171