Hidistro.UI.Common.Controls/ImageLinkButton.cs

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namespace Hidistro.UI.Common.Controls
{
    using System;
    using System.Globalization;
    using System.Web.UI;
    using System.Web.UI.WebControls;

    public class ImageLinkButton : LinkButton
    {
        private string alt;
        private string deleteMsg = "确定要执行该删除操作吗？删除后将不可以恢复！";
        private string imageFormat = "<img border=\"0\" src=\"{0}\" alt=\"{1}\" />";
        private bool isShow;
        private Hidistro.UI.Common.Controls.ImagePosition position;
        private bool showText = true;

        private string GetImageTag()
        {
            if (string.IsNullOrEmpty(this.ImageUrl))
            {
                return string.Empty;
            }
            return string.Format(CultureInfo.InvariantCulture, this.imageFormat, new object[] { this.ImageUrl, this.Alt });
        }

        protected override void Render(HtmlTextWriter writer)
        {
            if (this.IsShow)
            {
                string str = string.Format("return   confirm('{0}');", this.DeleteMsg);
                base.Attributes.Add("OnClick", str);
            }
            base.Attributes.Add("name", this.NamingContainer.UniqueID + "$" + this.ID);
            string imageTag = this.GetImageTag();
            if (!this.ShowText)
            {
                base.Text = "";
            }
            if (this.ImagePosition == Hidistro.UI.Common.Controls.ImagePosition.Right)
            {
                base.Text = base.Text + imageTag;
            }
            else
            {
                base.Text = imageTag + base.Text;
            }
            base.Render(writer);
        }

        public string Alt
        {
            get
            {
                return this.alt;
            }
            set
            {
                this.alt = value;
            }
        }