uploadprogressbar.cs

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace Ilungasoft.Framework.Web.UI.WebControls
{
    [ToolboxData("<{0}:UploadProgressBar runat=server></{0}:UploadProgressBar>")]
    public class UploadProgressBar : Control, ICallbackEventHandler
    {
        [Bindable(true)]
        [Category("Appearance")]
        [DefaultValue("传输: {0}K 还未完成")]
        [Localizable(true)]
        public string UploadingPromptText
        {
            get
            {
                String s = (String)ViewState["UploadingPromptText"];
                return ((s == null) ? "传输: {0}K 还未完成" : s);
            }

            set
            {
                ViewState["UploadingPromptText"] = value;
            }
        }

        [Bindable(true)]
        [Category("Appearance")]
        [DefaultValue("您的文件已经上传完成")]
        [Localizable(true)]
        public string UploadCompletedPromptText
        {
            get
            {
                String s = (String)ViewState["UploadCompletedPromptText"];
                return ((s == null) ? "您的文件已经上传完成" : s);
            }

            set
            {
                ViewState["UploadCompletedPromptText"] = value;
            }
        }

        [Bindable(true)]
        [Category("Appearance")]
        [DefaultValue("上传失败")]
        [Localizable(true)]
        public string UploadErrorPromptText
        {
            get
            {
                String s = (String)ViewState["UploadErrorPromptText"];
                return ((s == null) ? "上传失败" : s);
            }

            set
            {
                ViewState["UploadErrorPromptText"] = value;
            }
        }

        [Bindable(true)]
        [Category("Appearance")]
        [DefaultValue("WIDTH: 250px; HEIGHT: 18px")]
        [Localizable(true)]
        public string ProgressBarCssStyle
        {
            get
            {
                String s = (String)ViewState["ProgressBarCssStyle"];
                return ((s == null) ? "WIDTH: 250px; HEIGHT: 18px" : s);
            }

            set
            {
                ViewState["ProgressBarCssStyle"] = value;
            }
        }

        [Bindable(true)]
        [Category("Appearance")]
        [DefaultValue("BORDER-RIGHT: #000000 1px solid; BORDER-TOP: #000000 1px solid; FONT-SIZE: 9pt; OVERFLOW: hidden; BORDER-LEFT: #000000 1px solid; WIDTH: 248px; BORDER-BOTTOM: #000000 1px solid; POSITION: absolute; HEIGHT: 16px; TEXT-ALIGN: center")]
        [Localizable(true)]
        public string ProgressTextInfoCssStyle
        {
            get
            {
                String s = (String)ViewState["ProgressTextInfoCssStyle"];
                return ((s == null) ? "BORDER-RIGHT: #000000 1px solid; BORDER-TOP: #000000 1px solid; FONT-SIZE: 9pt; OVERFLOW: hidden; BORDER-LEFT: #000000 1px solid; WIDTH: 248px; BORDER-BOTTOM: #000000 1px solid; POSITION: absolute; HEIGHT: 16px; TEXT-ALIGN: center" : s);
            }

            set
            {
                ViewState["ProgressTextInfoCssStyle"] = value;
            }
        }

        [Bindable(true)]
        [Category("Appearance")]
        [DefaultValue("OVERFLOW: hidden; WIDTH: 0%; HEIGHT: 18px; BACKGROUND-COLOR: #5fff3f")]
        [Localizable(true)]
        public string ProgressValueCssStyle
        {
            get
            {
                String s = (String)ViewState["ProgressValueCssStyle"];
                return ((s == null) ? "OVERFLOW: hidden; WIDTH: 0%; HEIGHT: 18px; BACKGROUND-COLOR: #5fff3f" : s);
            }

            set
            {
                ViewState["ProgressValueCssStyle"] = value;
            }
        }

        [Bindable(true)]
        [Category("Behavior")]
        [DefaultValue("")]
        public string UploadButtonName
        {
            get
            {
                String s = (String)ViewState["UploadButtonName"];
                return ((s == null) ? string.Empty : s);
            }

            set
            {
                ViewState["UploadButtonName"] = value;
            }
        }

        [Bindable(true)]
        [Category("Behavior")]
        [DefaultValue("")]
        public string UploadCompleteRedirectUrl
        {
            get
            {
                String s = (String)ViewState["UploadCompleteRedirectUrl"];
                return ((s == null) ? string.Empty : s);
            }

            set
            {
                ViewState["UploadCompleteRedirectUrl"] = value;
            }
        }

        [Bindable(true)]
        [Category("Behavior")]
        [DefaultValue("")]
        public string UploadErrorRedirectUrl
        {
            get
            {
                String s = (String)ViewState["UploadErrorRedirectUrl"];
                return ((s == null) ? string.Empty : s);
            }

            set
            {
                ViewState["UploadErrorRedirectUrl"] = value;
            }
        }

        protected override void OnPreRender(EventArgs e)
        {
            #region Register Client Script

            string script = string.Concat(
                "<script language=\"javascript\" type=\"text/javascript\">\r\n",
                "    var r = \"" + UploadingPromptText.Replace("\\", "\\\\").Replace("\"", "\\\"") + "\";\r\n",
                "    var s = \"" + UploadCompletedPromptText.Replace("\\", "\\\\").Replace("\"", "\\\"") + "\";\r\n",
                "    var t = \"" + UploadErrorPromptText.Replace("\\", "\\\\").Replace("\"", "\\\"") + "\";\r\n",
                "    function progressBar()\r\n",
                "    {\r\n",
                "	    this.totalSize = 100;\r\n",
                "	    this.sizeCompleted = 0;\r\n",
                "	    this.percentDone = \"0%\";\r\n",
                "	    this.setSize = function(totalSize, size)\r\n",
                "	    {\r\n",
                "		    var oProgressInfo = document.getElementById(\"progressInfo\");\r\n",
                "		    var oProgress = document.getElementById(\"progress\");\r\n",
                "		    if (oProgress == null || oProgressInfo == null)\r\n",
                "			    return;\r\n",
                "\r\n",
                "		    if (totalSize <= 0)\r\n",
                "			    return;\r\n",
                "\r\n",
                "		    this.totalSize = totalSize;\r\n",
                "		    this.sizeCompleted = size;\r\n",