789 lines
32 KiB
C#

#if FRAMEWORK20
using System;
using System.Text;
using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel.Design;
using System.Collections.ObjectModel;
namespace DevComponents.DotNetBar.Validator
{
[ToolboxBitmap(typeof(SuperTooltip), "Validator.SuperValidator.ico"), ToolboxItem(true), ProvideProperty("Validator1", typeof(Control)),
ProvideProperty("Validator2", typeof(Control)), ProvideProperty("Validator3", typeof(Control)),
System.Runtime.InteropServices.ComVisible(false), Designer("DevComponents.DotNetBar.Design.SuperValidatorDesigner, DevComponents.DotNetBar.Design, Version=14.1.0.37, Culture=neutral, PublicKeyToken=90f470f34c89ccaf")]
public class SuperValidator : Component, IExtenderProvider
{
#region Private Variables
private Dictionary<Control, ValidatorBase> _Validators1 = new Dictionary<Control, ValidatorBase>();
private Dictionary<Control, ValidatorBase> _Validators2 = new Dictionary<Control, ValidatorBase>();
private Dictionary<Control, ValidatorBase> _Validators3 = new Dictionary<Control, ValidatorBase>();
#endregion
#region Constructor
#endregion
#region Events
/// <summary>
/// Occurs when validator retrieves the value for the control. It allows you to return value for the controls validator does not recognize.
/// </summary>
public event ValidatorGetValueEventHandler GetValue;
/// <summary>
/// Occurs when CustomValidator needs to validate the control value.
/// </summary>
public event ValidateValueEventHandler CustomValidatorValidateValue;
#endregion
#region Implementation
protected override void Dispose(bool disposing)
{
ClearAllValidators();
ContainerControl = null;
base.Dispose(disposing);
}
private void ClearAllValidators()
{
ClearValidator(_Validators1);
ClearValidator(_Validators2);
ClearValidator(_Validators3);
}
private void ClearValidator(Dictionary<Control, ValidatorBase> validators)
{
if (validators == null || validators.Count == 0) return;
foreach (KeyValuePair<Control, ValidatorBase> item in validators)
{
item.Key.Validating -= ControlValidating;
}
validators.Clear();
}
internal void InvokeCustomValidatorValidateValue(CustomValidator validator, ValidateValueEventArgs e)
{
OnCustomValidatorValidateValue(validator, e);
}
/// <summary>
/// Raises the CustomValidatorValidateValue event.
/// </summary>
/// <param name="validator">Validator that needs validation.</param>
/// <param name="e">Control to validate.</param>
protected virtual void OnCustomValidatorValidateValue(CustomValidator validator, ValidateValueEventArgs e)
{
ValidateValueEventHandler h = CustomValidatorValidateValue;
if (h != null) h(validator, e);
}
/// <summary>
/// Retrieves first level Validator for given control or return null if control does not have validator associated with it.
/// </summary>
[Editor("DevComponents.DotNetBar.Design.ValidatorEditor, DevComponents.DotNetBar.Design, Version=14.1.0.37, Culture=neutral, PublicKeyToken=90f470f34c89ccaf", typeof(System.Drawing.Design.UITypeEditor)), DefaultValue(null), Localizable(true)]
public ValidatorBase GetValidator1(Control c)
{
if (_Validators1.ContainsKey(c))
{
ValidatorBase info = _Validators1[c];
return info;
}
return null;
}
/// <summary>
/// Associates first level Validator with given control.
/// </summary>
/// <param name="c">Reference to supported control.</param>
/// <param name="info">Instance of validator class. If null is passed existing Validator is detached from the given control.</param>
public void SetValidator1(Control c, ValidatorBase info)
{
if (_Validators1.ContainsKey(c))
{
if (info == null)
{
ValidatorBase validator = _Validators1[c];
this.RemoveValidator(_Validators1, c);
DestroyValidator(validator);
}
else
{
ValidatorBase validator = _Validators1[c];
if (validator != info)
DestroyValidator(validator);
_Validators1[c] = info;
}
}
else if (info != null)
{
this.AddValidator(_Validators1, c, info);
}
}
/// <summary>
/// Retrieves second level Validator for given control or return null if control does not have validator associated with it.
/// </summary>
[Editor("DevComponents.DotNetBar.Design.ValidatorEditor, DevComponents.DotNetBar.Design, Version=14.1.0.37, Culture=neutral, PublicKeyToken=90f470f34c89ccaf", typeof(System.Drawing.Design.UITypeEditor)), DefaultValue(null), Localizable(true)]
public ValidatorBase GetValidator2(Control c)
{
if (_Validators2.ContainsKey(c))
{
ValidatorBase info = _Validators2[c];
return info;
}
return null;
}
/// <summary>
/// Associates second level Validator with given control.
/// </summary>
/// <param name="c">Reference to supported control.</param>
/// <param name="info">Instance of validator class. If null is passed existing Validator is detached from the given control.</param>
public void SetValidator2(Control c, ValidatorBase info)
{
if (_Validators2.ContainsKey(c))
{
if (info == null)
{
ValidatorBase validator = _Validators2[c];
this.RemoveValidator(_Validators2, c);
DestroyValidator(validator);
}
else
{
ValidatorBase validator = _Validators2[c];
if (validator != info)
DestroyValidator(validator);
_Validators2[c] = info;
}
}
else if (info != null)
{
this.AddValidator(_Validators2, c, info);
}
}
/// <summary>
/// Retrieves third level Validator for given control or return null if control does not have validator associated with it.
/// </summary>
[Editor("DevComponents.DotNetBar.Design.ValidatorEditor, DevComponents.DotNetBar.Design, Version=14.1.0.37, Culture=neutral, PublicKeyToken=90f470f34c89ccaf", typeof(System.Drawing.Design.UITypeEditor)), DefaultValue(null), Localizable(true)]
public ValidatorBase GetValidator3(Control c)
{
if (_Validators3.ContainsKey(c))
{
ValidatorBase info = _Validators3[c];
return info;
}
return null;
}
/// <summary>
/// Associates third level Validator with given control.
/// </summary>
/// <param name="c">Reference to supported control.</param>
/// <param name="info">Instance of validator class. If null is passed existing Validator is detached from the given control.</param>
public void SetValidator3(Control c, ValidatorBase info)
{
if (_Validators3.ContainsKey(c))
{
if (info == null)
{
ValidatorBase validator = _Validators3[c];
this.RemoveValidator(_Validators3, c);
DestroyValidator(validator);
}
else
{
ValidatorBase validator = _Validators3[c];
if (validator != info)
DestroyValidator(validator);
_Validators3[c] = info;
}
}
else if (info != null)
{
this.AddValidator(_Validators3, c, info);
}
}
private void DestroyValidator(ValidatorBase validator)
{
if (this.Site != null && this.DesignMode)
{
IDesignerHost dh = this.Site.GetService(typeof(IDesignerHost)) as IDesignerHost;
if (dh != null)
{
dh.DestroyComponent(validator);
}
}
}
private void RemoveValidator(Dictionary<Control, ValidatorBase> validatorCollection, Control control)
{
ValidatorBase info = validatorCollection[control];
info.SuperValidator = null;
validatorCollection.Remove(control);
control.Validating -= ControlValidating;
}
private void AddValidator(Dictionary<Control, ValidatorBase> validatorCollection, Control control, ValidatorBase info)
{
info.SuperValidator = this;
validatorCollection.Add(control, info);
control.Validating += ControlValidating;
}
private void ControlValidating(object sender, CancelEventArgs e)
{
if (!this.Enabled)
return;
if (_ValidationType == eValidationType.Manual)
return;
if ((_ValidationType & eValidationType.ValidatingEventPerControl) != eValidationType.ValidatingEventPerControl)
return;
Control control = sender as Control;
if (control == null) return;
ValidatorBase validator = null;
bool isValid = true;
if (_Validators1.TryGetValue(control, out validator))
{
bool cancelValidating = false;
isValid = ValidateSingleControl(validator, control, out cancelValidating);
if (!isValid) AddToLastFailedValidations(validator, control);
e.Cancel = cancelValidating;
}
if (isValid && _Validators2.TryGetValue(control, out validator))
{
bool cancelValidating = false;
isValid = ValidateSingleControl(validator, control, out cancelValidating);
if (!isValid) AddToLastFailedValidations(validator, control);
e.Cancel = cancelValidating;
}
if (isValid && _Validators3.TryGetValue(control, out validator))
{
bool cancelValidating = false;
isValid = ValidateSingleControl(validator, control, out cancelValidating);
if (!isValid) AddToLastFailedValidations(validator, control);
e.Cancel = cancelValidating;
}
}
private void AddToLastFailedValidations(ValidatorBase validator, Control control)
{
foreach (ValidatorControlPair item in _LastFailedValidations)
{
if (item.Control == control && item.Validator == validator) return;
}
_LastFailedValidations.Add(new ValidatorControlPair(validator, control));
}
private bool ValidateSingleControl(ValidatorBase validator, Control control, out bool cancelValidating)
{
cancelValidating = false;
if (!validator.Enabled) return true;
bool result = true;
bool validateControl = true;
if (!string.IsNullOrEmpty(validator.OptionalValidationGroup))
{
List<ValidatorControlPair> optionalValidators = GetOptionalValidators(validator.OptionalValidationGroup);
if (optionalValidators.Count > 1)
{
result = false;
foreach (ValidatorControlPair pair in optionalValidators)
{
result |= pair.Validator.Validate(pair.Control);
}
#if !TRIAL
if (NativeFunctions.keyValidated2 != 266)
result = false;
#endif
if (!result)
{
foreach (ValidatorControlPair pair in optionalValidators)
{
if (pair.Validator.DisplayError)
SetError(pair.Validator, pair.Control);
}
}
else
{
foreach (ValidatorControlPair pair in optionalValidators)
{
ClearError(pair.Validator, pair.Control);
}
}
validateControl = false;
}
}
if (validateControl)
{
result = validator.Validate(control);
#if !TRIAL
if (NativeFunctions.keyValidated2 != 266)
result = false;
#endif
if (!result)
{
if (validator.DisplayError)
SetError(validator, control);
cancelValidating = _CancelValidatingOnControl;
}
else
{
ClearError(validator, control);
}
}
return result;
}
private List<ValidatorControlPair> GetOptionalValidators(string optionalValidationGroup)
{
List<ValidatorControlPair> list = new List<ValidatorControlPair>();
FindOptionalValidators(_Validators1, optionalValidationGroup, list);
FindOptionalValidators(_Validators2, optionalValidationGroup, list);
FindOptionalValidators(_Validators3, optionalValidationGroup, list);
return list;
}
private void FindOptionalValidators(Dictionary<Control, ValidatorBase> validators, string optionalValidationGroup, List<ValidatorControlPair> list)
{
foreach (KeyValuePair<Control, ValidatorBase> item in validators)
{
if (item.Value.OptionalValidationGroup.Equals(optionalValidationGroup, StringComparison.CurrentCultureIgnoreCase))
{
list.Add(new ValidatorControlPair(item.Value, item.Key));
}
}
}
/// <summary>
/// Raises the GetValue event.
/// </summary>
/// <param name="e">Event arguments.</param>
protected virtual void OnGetValue(ValidatorGetValueEventArgs e)
{
ValidatorGetValueEventHandler handler = GetValue;
if (handler != null) handler(this, e);
}
internal void InvokeGetValue(ValidatorGetValueEventArgs e)
{
OnGetValue(e);
}
private bool _SteppedValidation = false;
/// <summary>
/// Gets or sets whether validation is performed in steps meaning that if first level validation fails, second level is not validated
/// until first level validation succeeds. Default value is false which means that all validation levels are validated even if first level fails.
/// </summary>
[DefaultValue(false), Category("Behavior"), Description("Indicates whether validation is performed in steps meaning that if first level validation fails, second level is not validated until first level validation succeeds")]
public bool SteppedValidation
{
get { return _SteppedValidation; }
set
{
_SteppedValidation = value;
}
}
/// <summary>
/// Performs validation on all validators. It also uses error provider to display failed validations if validator has that enabled.
/// </summary>
/// <returns>Returns true if all validations succeeded or false if at least one validation has failed.</returns>
public bool Validate()
{
bool validated = true;
Dictionary<string, bool> table = new Dictionary<string, bool>();
_LastFailedValidations.Clear();
validated &= ValidateSingleTable(_Validators1, table);
if (!validated && _SteppedValidation) return validated;
validated &= ValidateSingleTable(_Validators2, table);
if (!validated && _SteppedValidation) return validated;
validated &= ValidateSingleTable(_Validators3, table);
return validated;
}
/// <summary>
/// Validate single control. Note that control must have validator assigned to it. This method will change LastFailedValidationResults collection.
/// </summary>
/// <param name="controlToValidate">Control to validate.</param>
/// <returns>returns true if validation succeeds or false if it fails</returns>
public bool Validate(Control controlToValidate)
{
return Validate(controlToValidate, true);
}
/// <summary>
/// Validate single control. Note that control must have validator assigned to it. This method will change LastFailedValidationResults collection.
/// </summary>
/// <param name="controlToValidate">Control to validate.</param>
/// <param name="clearLastFailedValidations">Indicates whether to clear the last set of failed validations by calling ClearFailedValidations() method.</param>
/// <returns>returns true if validation succeeds or false if it fails</returns>
public bool Validate(Control controlToValidate, bool clearLastFailedValidations)
{
bool result = true;
bool cancelValidating = false;
if (clearLastFailedValidations)
ClearFailedValidations();
ValidatorBase validator = null;
if (_Validators1.ContainsKey(controlToValidate))
{
validator = _Validators1[controlToValidate];
bool b = ValidateSingleControl(validator, controlToValidate, out cancelValidating);
if (!b) _LastFailedValidations.Add(new ValidatorControlPair(validator, controlToValidate));
result &= b;
}
if (!result && _SteppedValidation) return result;
if (_Validators2.ContainsKey(controlToValidate))
{
validator = _Validators2[controlToValidate];
bool b = ValidateSingleControl(validator, controlToValidate, out cancelValidating);
if (!b) _LastFailedValidations.Add(new ValidatorControlPair(validator, controlToValidate));
result &= b;
}
if (!result && _SteppedValidation) return result;
if (_Validators3.ContainsKey(controlToValidate))
{
validator = _Validators3[controlToValidate];
bool b = ValidateSingleControl(validator, controlToValidate, out cancelValidating);
if (!b) _LastFailedValidations.Add(new ValidatorControlPair(validator, controlToValidate));
result &= b;
}
if (!result && _SteppedValidation) return result;
return result;
}
private List<ValidatorControlPair> _LastFailedValidations = new List<ValidatorControlPair>();
/// <summary>
/// Gets the readonly collection that returns failed validations that were result of last Validate method call.
/// </summary>
[Browsable(false)]
public ReadOnlyCollection<ValidatorControlPair> LastFailedValidationResults
{
get
{
return new ReadOnlyCollection<ValidatorControlPair>(_LastFailedValidations);
}
}
private bool ValidateSingleTable(Dictionary<Control, ValidatorBase> validators, Dictionary<string, bool> table)
{
bool validated = true;
foreach (KeyValuePair<Control, ValidatorBase> item in validators)
{
// If control has already failed validation do not validate with second/third level validator again
if (ControlFailedValidation(item.Key)) continue;
string optionalValidationGroup = item.Value.OptionalValidationGroup;
if (!string.IsNullOrEmpty(optionalValidationGroup))
{
if (table.ContainsKey(optionalValidationGroup))
continue;
else
table.Add(optionalValidationGroup, true);
}
bool cancelValidatingEvent = false;
bool b = ValidateSingleControl(item.Value, item.Key, out cancelValidatingEvent);
if (!b) _LastFailedValidations.Add(new ValidatorControlPair(item.Value, item.Key));
validated &= b;
}
return validated;
}
private bool ControlFailedValidation(Control control)
{
foreach (ValidatorControlPair item in _LastFailedValidations)
{
if (item.Control == control) return true;
}
return false;
}
private void SetError(ValidatorBase validator, Control controlToValidate)
{
List<IErrorProvider> errorProviders = GetErrorProviders();
if (errorProviders == null || errorProviders.Count == 0) return;
foreach (IErrorProvider errorProvider in errorProviders)
{
#if !TRIAL
if (NativeFunctions.keyValidated2 != 266)
{
errorProvider.SetError(controlToValidate, "Invalid license key for SuperValidator control. Control is disabled.");
continue;
}
#endif
if (errorProvider is Highlighter)
((Highlighter)errorProvider).SetHighlightColor(controlToValidate, validator.HighlightColor);
else
errorProvider.SetError(controlToValidate, validator.ErrorMessage);
}
}
/// <summary>
/// Removes all visual markers from failed validations that were placed on the controls.
/// </summary>
public void ClearFailedValidations()
{
foreach (ValidatorControlPair item in _LastFailedValidations)
{
ClearError(item.Validator, item.Control);
}
_LastFailedValidations.Clear();
}
private void ClearError(ValidatorBase validator, Control controlToValidate)
{
List<IErrorProvider> errorProviders = GetErrorProviders();
if (errorProviders == null || errorProviders.Count == 0) return;
foreach (IErrorProvider errorProvider in errorProviders)
{
errorProvider.ClearError(controlToValidate);
}
}
private int _DefaultErrorProviderHighlighterIconPadding = 2;
/// <summary>
/// Indicates default ErrorProvider IconPadding when Highlighter is used with SuperValidator. Setting this property to 0 will allow you to set IconPadding for each control manually.
/// </summary>
[DefaultValue(2), Category("Behavior"), Description("Indicates default ErrorProvider IconPadding when Highlighter is used with SuperValidator. Setting this property to 0 will allow you to set IconPadding for each control manually.")]
public int DefaultErrorProviderHighlighterIconPadding
{
get { return _DefaultErrorProviderHighlighterIconPadding; }
set
{
_DefaultErrorProviderHighlighterIconPadding = value;
}
}
private List<IErrorProvider> GetErrorProviders()
{
List<IErrorProvider> providers = new List<IErrorProvider>();
if (_ErrorProvider != null)
providers.Add(new ErrorProviderWrapper(_ErrorProvider, (_Highlighter != null ? _DefaultErrorProviderHighlighterIconPadding : 0)));
if (_CustomErrorProvider != null)
providers.Add(_CustomErrorProvider);
if (_Highlighter != null)
providers.Add(_Highlighter);
return providers;
}
private ErrorProvider _ErrorProvider;
/// <summary>
/// Gets or sets the error provider that is used by the validator to report validation errors.
/// </summary>
[DefaultValue(null), Category("Behavior"), Description("Indicates error provider that is used by the validator to report validation errors.")]
public ErrorProvider ErrorProvider
{
get { return _ErrorProvider; }
set { _ErrorProvider = value; }
}
private IErrorProvider _CustomErrorProvider = null;
/// <summary>
/// Gets or sets the custom error provider that is used by validator to report errors. You can provide your own error validators by implementing IErrorProvider interface.
/// </summary>
[DefaultValue(null), Browsable(false), Category("Behavior"), Description("Indicates custom error provider that is used by validator to report errors. You can provide your own error validators by implementing IErrorProvider interface.")]
public IErrorProvider CustomErrorProvider
{
get { return _CustomErrorProvider; }
set { _CustomErrorProvider = value; }
}
private Highlighter _Highlighter;
/// <summary>
/// Gets or sets the Highlighter component that is used to highlight validation errors.
/// </summary>
[DefaultValue(null), Category("Appearance"), Description("Highlighter component that is used to highlight validation errors.")]
public Highlighter Highlighter
{
get { return _Highlighter; }
set { _Highlighter = value; }
}
private eValidationType _ValidationType = eValidationType.Manual;
/// <summary>
/// Gets or sets the validation type performed by the control. Default value is Manual.
/// </summary>
[DefaultValue(eValidationType.Manual), Category("Behavior"), Description("Indicates validation type performed by the control.")]
public eValidationType ValidationType
{
get { return _ValidationType; }
set { _ValidationType = value; }
}
private Control _ContainerControl = null;
/// <summary>
/// Gets or sets the container control validator is bound to. The container control must be set for the ValidationType ValidatingEventOnContainer.
/// When ContainerControl is Form the validator handles the Closing event of the form to perform the validation and cancel the form closing.
/// You can disable that by setting either Enabled=false or Form.CausesValidation=false.
/// </summary>
[DefaultValue(null), Description("Indicates container control validator is bound to. Should be set to parent form."), Category("Behavior")]
public Control ContainerControl
{
get
{
return _ContainerControl;
}
set
{
if (_ContainerControl != value)
{
if (_ContainerControl != null)
{
if (_ContainerControl is Form)
((Form)_ContainerControl).FormClosing -= ContainerFormClosing;
else
_ContainerControl.Validating -= ContainerValidating;
}
_ContainerControl = value;
if (_ContainerControl != null)
{
if (_ContainerControl is Form)
((Form)_ContainerControl).FormClosing += ContainerFormClosing;
else
_ContainerControl.Validating += ContainerValidating;
}
}
}
}
private void ContainerFormClosing(object sender, FormClosingEventArgs e)
{
if (!this.Enabled || (_ValidationType & eValidationType.ValidatingEventOnContainer) != eValidationType.ValidatingEventOnContainer || !((Form)sender).CausesValidation)
return;
e.Cancel = !Validate();
}
private void ContainerValidating(object sender, CancelEventArgs e)
{
if (!this.Enabled) return;
if (_ValidationType == eValidationType.ValidatingEventOnContainer)
e.Cancel = !Validate();
}
private bool _Enabled = true;
/// <summary>
/// Gets or sets whether validation is performed. Default value is true.
/// </summary>
[DefaultValue(true), Category("Behavior"), Description("Indicates whether validation is performed.")]
public bool Enabled
{
get { return _Enabled; }
set
{
_Enabled = value;
}
}
private bool _CancelValidatingOnControl = true;
/// <summary>
/// Gets or sets whether Cancel argument in Validating event for validation type ValidatingEventPerControl is set to true when validation fails.
/// </summary>
[DefaultValue(true), Category("Behavior"), Description("Indicates whether Cancel argument in Validating event for validation type ValidatingEventPerControl is set to true when validation fails.")]
public bool CancelValidatingOnControl
{
get { return _CancelValidatingOnControl; }
set
{
_CancelValidatingOnControl = value;
}
}
#endregion
#region IExtenderProvider Members
public bool CanExtend(object extendee)
{
return extendee is Control;
}
#endregion
#region Licensing
#if !TRIAL
private string _LicenseKey = "";
[Browsable(false), DefaultValue("")]
public string LicenseKey
{
get { return _LicenseKey; }
set
{
if (NativeFunctions.ValidateLicenseKey(value))
return;
_LicenseKey = (!NativeFunctions.CheckLicenseKey(value) ? "9dsjkhds7" : value);
}
}
#endif
#endregion
}
/// <summary>
/// Specifies the validation type for SuperValidator control.
/// </summary>
[Flags()]
public enum eValidationType
{
/// <summary>
/// SuperValidator uses manual validation, i.e. you will call Validate method to perform validation.
/// </summary>
Manual = 1,
/// <summary>
/// Validation is performed per control from each controls Validating event. The Cancel is set to true on event arguments if validation fails.
/// </summary>
ValidatingEventPerControl = 2,
/// <summary>
/// Validation is performed for all controls from Validating event on container control. By default container control is Form that SuperValidator is on.
/// </summary>
ValidatingEventOnContainer = 4
}
/// <summary>
/// Defines validator control pair used by SuperValidator control.
/// </summary>
public struct ValidatorControlPair
{
/// <summary>
/// Gets the validator associated with the control.
/// </summary>
public readonly ValidatorBase Validator;
/// <summary>
/// Gets control reference.
/// </summary>
public readonly Control Control;
/// <summary>
/// Initializes a new instance of the ValidatorControlPair structure.
/// </summary>
/// <param name="validator">Validator associated with the control</param>
/// <param name="control">Control reference</param>
public ValidatorControlPair(ValidatorBase validator, Control control)
{
Validator = validator;
Control = control;
}
}
}
#endif