123 lines
4.1 KiB
C#
123 lines
4.1 KiB
C#
// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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// Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
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//
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// Authors:
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// Peter Bartok (pbartok@novell.com)
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//
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//
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using System.ComponentModel;
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using System.Globalization;
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using System.Security.Permissions;
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using System.Web.Util;
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// Modeled after Nikhil Kothari's sample in "ASP Server Controls and Components", pp368
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namespace System.Web.UI.WebControls {
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// CAS
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[AspNetHostingPermissionAttribute (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
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[AspNetHostingPermissionAttribute (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
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// attributes
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[ToolboxData("<{0}:RangeValidator runat=\"server\" ErrorMessage=\"RangeValidator\"></{0}:RangeValidator>")]
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public class RangeValidator : BaseCompareValidator {
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#region Public Constructors
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public RangeValidator() {
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}
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#endregion // Public Constructors
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#region Public Instance Properties
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[Themeable (false)]
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[DefaultValue("")]
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[WebSysDescription ("")]
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[WebCategory ("Behavior")]
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public string MaximumValue {
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get {
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return ViewState.GetString("MaximumValue", String.Empty);
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}
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set {
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ViewState["MaximumValue"] = value;
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}
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}
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[Themeable (false)]
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[DefaultValue("")]
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[WebSysDescription ("")]
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[WebCategory ("Behavior")]
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public string MinimumValue {
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get {
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return ViewState.GetString("MinimumValue", String.Empty);
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}
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set {
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ViewState["MinimumValue"] = value;
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}
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}
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#endregion // Public Instance Properties
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#region Public Instance Methods
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protected override void AddAttributesToRender(HtmlTextWriter writer) {
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base.AddAttributesToRender (writer);
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if (RenderUplevel) {
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RegisterExpandoAttribute (ClientID, "evaluationfunction", "RangeValidatorEvaluateIsValid");
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RegisterExpandoAttribute (ClientID, "minimumvalue", MinimumValue, true);
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RegisterExpandoAttribute (ClientID, "maximumvalue", MaximumValue, true);
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}
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}
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protected override bool ControlPropertiesValid() {
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if (!CanConvert(MinimumValue, this.Type)) {
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throw new HttpException("Minimum value cannot be converterd to type " + this.Type.ToString());
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}
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if (!CanConvert(MaximumValue, this.Type)) {
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throw new HttpException("Maximum value cannot be converterd to type " + this.Type.ToString());
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}
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if (this.Type != ValidationDataType.String) {
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if (Compare(MinimumValue, MaximumValue, ValidationCompareOperator.GreaterThan, this.Type)) {
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throw new HttpException("Maximum value must be equal or bigger than Minimum value");
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}
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}
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return base.ControlPropertiesValid ();
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}
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protected override bool EvaluateIsValid() {
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string control_value;
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control_value = GetControlValidationValue(this.ControlToValidate);
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if (control_value == null)
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return true;
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control_value = control_value.Trim();
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if (control_value.Length == 0)
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return true;
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if (Compare(control_value, MinimumValue, ValidationCompareOperator.GreaterThanEqual, this.Type)) {
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if (Compare(control_value, MaximumValue, ValidationCompareOperator.LessThanEqual, this.Type)) {
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return true;
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}
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}
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return false;
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}
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#endregion // Public Instance Methods
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}
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}
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