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59 lines
1.5 KiB
59 lines
1.5 KiB
1 year ago
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using System;
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using System.Drawing;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.ComponentModel;
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namespace Sp.Web.UI
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{
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[DefaultProperty( "BackColorOn" ),
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ToolboxData( "<{0}:TextboxEx runat=\"server\" SkinID=\"TextBoxEx\"></{0}:TextboxEx>" )]
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public class TextboxEx : System.Web.UI.WebControls.TextBox
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{
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private Color _colOff = Color.White;
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[Category( "Appearance" ), Description( "The background color when the control loses focus" )]
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public Color BackColorOff
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{
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get{return _colOff; }
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set{_colOff = value;}
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}
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private Color _colOn = Color.WhiteSmoke;
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[Category( "Appearance" ), Description( "The background color when the control has the focus" )]
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public Color BackColorOn
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{
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get{return _colOn; }
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set{_colOn = value;}
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}
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protected override void AddAttributesToRender( HtmlTextWriter writer )
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{
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base.AddAttributesToRender(writer);
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if( inDesignMode() || System.Web.HttpContext.Current.Request.Browser.Type.IndexOf( "IE" ) > -1 )
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{
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writer.AddAttribute( "onFocus", "JavaScript:this.style.backgroundColor='" + ColorTranslator.ToHtml( _colOn ) + "';" );
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if( _colOff.Equals( Color.Empty ) )
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{
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_colOff = this.BackColor;
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}
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writer.AddAttribute( "onBlur", "JavaScript:this.style.backgroundColor='" + ColorTranslator.ToHtml( _colOff ) + "';" );
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}
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}
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private bool inDesignMode()
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{
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bool blnOut = false;
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if( object.ReferenceEquals( System.Web.HttpContext.Current, null ) )
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{
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blnOut = true;
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}
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else
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{
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blnOut = false;
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}
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return blnOut;
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}
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}
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}
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