Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / UI / WebControls / SubMenuStyle.cs / 1305376 / SubMenuStyle.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.UI.WebControls {
using System.ComponentModel;
using System.Drawing;
using System.Globalization;
using System.Text;
using System.Web.UI;
///
/// Specifies the style of a SubMenu.
///
public class SubMenuStyle : Style, ICustomTypeDescriptor {
private const int PROP_VPADDING = 0x00010000;
private const int PROP_HPADDING = 0x00020000;
public SubMenuStyle() : base() {
}
public SubMenuStyle(StateBag bag) : base(bag) {
}
///
/// Gets and sets the horizontal padding around the node text
///
[
DefaultValue(typeof(Unit), ""),
WebCategory("Layout"),
NotifyParentProperty(true),
WebSysDescription(SR.SubMenuStyle_HorizontalPadding),
]
public Unit HorizontalPadding {
get {
if (IsSet(PROP_HPADDING)) {
return (Unit)(ViewState["HorizontalPadding"]);
}
return Unit.Empty;
}
set {
if ((value.Type == UnitType.Percentage) || (value.Value < 0)) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["HorizontalPadding"] = value;
SetBit(PROP_HPADDING);
}
}
///
/// Gets and sets the vertical padding around the node text
///
[
DefaultValue(typeof(Unit), ""),
WebCategory("Layout"),
NotifyParentProperty(true),
WebSysDescription(SR.SubMenuStyle_VerticalPadding),
]
public Unit VerticalPadding {
get {
if (IsSet(PROP_VPADDING)) {
return (Unit)(ViewState["VerticalPadding"]);
}
return Unit.Empty;
}
set {
if ((value.Type == UnitType.Percentage) || (value.Value < 0)) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["VerticalPadding"] = value;
SetBit(PROP_VPADDING);
}
}
///
/// Copies non-blank elements from the specified style, overwriting existing
/// style elements if necessary.
///
public override void CopyFrom(Style s) {
if (s != null) {
base.CopyFrom(s);
SubMenuStyle sms = s as SubMenuStyle;
if (sms != null && !sms.IsEmpty) {
// Only copy the paddings if they aren't in the source Style's registered CSS class
if (s.RegisteredCssClass.Length != 0) {
if (sms.IsSet(PROP_VPADDING)) {
ViewState.Remove("VerticalPadding");
ClearBit(PROP_VPADDING);
}
if (sms.IsSet(PROP_HPADDING)) {
ViewState.Remove("HorizontalPadding");
ClearBit(PROP_HPADDING);
}
}
else {
if (sms.IsSet(PROP_VPADDING)) {
this.VerticalPadding = sms.VerticalPadding;
}
if (sms.IsSet(PROP_HPADDING)) {
this.HorizontalPadding = sms.HorizontalPadding;
}
}
}
}
}
protected override void FillStyleAttributes(CssStyleCollection attributes, IUrlResolutionService urlResolver) {
// The style will be rendered on container elements that does not contain text directly.
// It does not render font and forecolor.
// Users should set font and forecolor on MenuItems styles.
// Copying the code from the base class, except for the part that deals with Font and ForeColor.
StateBag viewState = ViewState;
Color c;
// BackColor
if (base.IsSet(PROP_BACKCOLOR)) {
c = (Color)viewState["BackColor"];
if (!c.IsEmpty) {
attributes.Add(HtmlTextWriterStyle.BackgroundColor, ColorTranslator.ToHtml(c));
}
}
// BorderColor
if (base.IsSet(PROP_BORDERCOLOR)) {
c = (Color)viewState["BorderColor"];
if (!c.IsEmpty) {
attributes.Add(HtmlTextWriterStyle.BorderColor, ColorTranslator.ToHtml(c));
}
}
BorderStyle bs = this.BorderStyle;
Unit bu = this.BorderWidth;
if (!bu.IsEmpty) {
attributes.Add(HtmlTextWriterStyle.BorderWidth, bu.ToString(CultureInfo.InvariantCulture));
if (bs == BorderStyle.NotSet) {
if (bu.Value != 0.0) {
attributes.Add(HtmlTextWriterStyle.BorderStyle, "solid");
}
}
else {
attributes.Add(HtmlTextWriterStyle.BorderStyle, borderStyles[(int)bs]);
}
}
else {
if (bs != BorderStyle.NotSet) {
attributes.Add(HtmlTextWriterStyle.BorderStyle, borderStyles[(int)bs]);
}
}
Unit u;
// Height
if (base.IsSet(PROP_HEIGHT)) {
u = (Unit)viewState["Height"];
if (!u.IsEmpty) {
attributes.Add(HtmlTextWriterStyle.Height, u.ToString(CultureInfo.InvariantCulture));
}
}
// Width
if (base.IsSet(PROP_WIDTH)) {
u = (Unit)viewState["Width"];
if (!u.IsEmpty) {
attributes.Add(HtmlTextWriterStyle.Width, u.ToString(CultureInfo.InvariantCulture));
}
}
if (!HorizontalPadding.IsEmpty || !VerticalPadding.IsEmpty) {
attributes.Add(HtmlTextWriterStyle.Padding, string.Format(CultureInfo.InvariantCulture,
"{0} {1} {0} {1}",
VerticalPadding.IsEmpty ? Unit.Pixel(0) : VerticalPadding,
HorizontalPadding.IsEmpty ? Unit.Pixel(0) : HorizontalPadding));
}
}
///
/// Copies non-blank elements from the specified style, but will not overwrite
/// any existing style elements.
///
public override void MergeWith(Style s) {
if (s != null) {
if (IsEmpty) {
// Merging with an empty style is equivalent to copying,
// which is more efficient.
CopyFrom(s);
return;
}
base.MergeWith(s);
SubMenuStyle sms = s as SubMenuStyle;
// Since we're already copying the registered CSS class in base.MergeWith, we don't
// need to any attributes that would be included in that class.
if (sms != null && !sms.IsEmpty && s.RegisteredCssClass.Length == 0) {
if (sms.IsSet(PROP_VPADDING) && !this.IsSet(PROP_VPADDING)) {
this.VerticalPadding = sms.VerticalPadding;
}
if (sms.IsSet(PROP_HPADDING) && !this.IsSet(PROP_HPADDING)) {
this.HorizontalPadding = sms.HorizontalPadding;
}
}
}
}
///
/// Clears out any defined style elements from the state bag.
///
public override void Reset() {
if (IsSet(PROP_VPADDING))
ViewState.Remove("VerticalPadding");
if (IsSet(PROP_HPADDING))
ViewState.Remove("HorizontalPadding");
base.Reset();
}
#region ICustomTypeDesciptor implementation
System.ComponentModel.AttributeCollection ICustomTypeDescriptor.GetAttributes() {
return TypeDescriptor.GetAttributes(this, true);
}
string ICustomTypeDescriptor.GetClassName() {
return TypeDescriptor.GetClassName(this, true);
}
string ICustomTypeDescriptor.GetComponentName() {
return TypeDescriptor.GetComponentName(this, true);
}
TypeConverter ICustomTypeDescriptor.GetConverter() {
return TypeDescriptor.GetConverter(this, true);
}
EventDescriptor ICustomTypeDescriptor.GetDefaultEvent() {
return TypeDescriptor.GetDefaultEvent(this, true);
}
PropertyDescriptor ICustomTypeDescriptor.GetDefaultProperty() {
return TypeDescriptor.GetDefaultProperty(this, true);
}
object ICustomTypeDescriptor.GetEditor(Type editorBaseType) {
return TypeDescriptor.GetEditor(this, editorBaseType, true);
}
EventDescriptorCollection ICustomTypeDescriptor.GetEvents() {
return TypeDescriptor.GetEvents(this, true);
}
EventDescriptorCollection ICustomTypeDescriptor.GetEvents(Attribute[] attributes) {
return TypeDescriptor.GetEvents(this, attributes, true);
}
PropertyDescriptorCollection ICustomTypeDescriptor.GetProperties() {
return ((ICustomTypeDescriptor)this).GetProperties(null);
}
PropertyDescriptorCollection ICustomTypeDescriptor.GetProperties(Attribute[] attributes) {
PropertyDescriptorCollection oldProperties = TypeDescriptor.GetProperties(GetType(), attributes);
PropertyDescriptor[] newProperties = new PropertyDescriptor[oldProperties.Count];
PropertyDescriptor fontProperty = oldProperties["Font"];
PropertyDescriptor forecolorProperty = oldProperties["ForeColor"];
Attribute[] newAttributes = new Attribute[] {
new BrowsableAttribute(false),
new EditorBrowsableAttribute(EditorBrowsableState.Never),
new ThemeableAttribute(false),
};
for (int i = 0; i < oldProperties.Count; i++) {
PropertyDescriptor property = oldProperties[i];
if ((property == fontProperty) || (property == forecolorProperty)) {
newProperties[i] = TypeDescriptor.CreateProperty(GetType(), property, newAttributes);
}
else {
newProperties[i] = property;
}
}
return new PropertyDescriptorCollection(newProperties, true);
}
object ICustomTypeDescriptor.GetPropertyOwner(PropertyDescriptor pd) {
return this;
}
#endregion //ICustomTypeDescriptor implementation
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.UI.WebControls {
using System.ComponentModel;
using System.Drawing;
using System.Globalization;
using System.Text;
using System.Web.UI;
///
/// Specifies the style of a SubMenu.
///
public class SubMenuStyle : Style, ICustomTypeDescriptor {
private const int PROP_VPADDING = 0x00010000;
private const int PROP_HPADDING = 0x00020000;
public SubMenuStyle() : base() {
}
public SubMenuStyle(StateBag bag) : base(bag) {
}
///
/// Gets and sets the horizontal padding around the node text
///
[
DefaultValue(typeof(Unit), ""),
WebCategory("Layout"),
NotifyParentProperty(true),
WebSysDescription(SR.SubMenuStyle_HorizontalPadding),
]
public Unit HorizontalPadding {
get {
if (IsSet(PROP_HPADDING)) {
return (Unit)(ViewState["HorizontalPadding"]);
}
return Unit.Empty;
}
set {
if ((value.Type == UnitType.Percentage) || (value.Value < 0)) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["HorizontalPadding"] = value;
SetBit(PROP_HPADDING);
}
}
///
/// Gets and sets the vertical padding around the node text
///
[
DefaultValue(typeof(Unit), ""),
WebCategory("Layout"),
NotifyParentProperty(true),
WebSysDescription(SR.SubMenuStyle_VerticalPadding),
]
public Unit VerticalPadding {
get {
if (IsSet(PROP_VPADDING)) {
return (Unit)(ViewState["VerticalPadding"]);
}
return Unit.Empty;
}
set {
if ((value.Type == UnitType.Percentage) || (value.Value < 0)) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["VerticalPadding"] = value;
SetBit(PROP_VPADDING);
}
}
///
/// Copies non-blank elements from the specified style, overwriting existing
/// style elements if necessary.
///
public override void CopyFrom(Style s) {
if (s != null) {
base.CopyFrom(s);
SubMenuStyle sms = s as SubMenuStyle;
if (sms != null && !sms.IsEmpty) {
// Only copy the paddings if they aren't in the source Style's registered CSS class
if (s.RegisteredCssClass.Length != 0) {
if (sms.IsSet(PROP_VPADDING)) {
ViewState.Remove("VerticalPadding");
ClearBit(PROP_VPADDING);
}
if (sms.IsSet(PROP_HPADDING)) {
ViewState.Remove("HorizontalPadding");
ClearBit(PROP_HPADDING);
}
}
else {
if (sms.IsSet(PROP_VPADDING)) {
this.VerticalPadding = sms.VerticalPadding;
}
if (sms.IsSet(PROP_HPADDING)) {
this.HorizontalPadding = sms.HorizontalPadding;
}
}
}
}
}
protected override void FillStyleAttributes(CssStyleCollection attributes, IUrlResolutionService urlResolver) {
// The style will be rendered on container elements that does not contain text directly.
// It does not render font and forecolor.
// Users should set font and forecolor on MenuItems styles.
// Copying the code from the base class, except for the part that deals with Font and ForeColor.
StateBag viewState = ViewState;
Color c;
// BackColor
if (base.IsSet(PROP_BACKCOLOR)) {
c = (Color)viewState["BackColor"];
if (!c.IsEmpty) {
attributes.Add(HtmlTextWriterStyle.BackgroundColor, ColorTranslator.ToHtml(c));
}
}
// BorderColor
if (base.IsSet(PROP_BORDERCOLOR)) {
c = (Color)viewState["BorderColor"];
if (!c.IsEmpty) {
attributes.Add(HtmlTextWriterStyle.BorderColor, ColorTranslator.ToHtml(c));
}
}
BorderStyle bs = this.BorderStyle;
Unit bu = this.BorderWidth;
if (!bu.IsEmpty) {
attributes.Add(HtmlTextWriterStyle.BorderWidth, bu.ToString(CultureInfo.InvariantCulture));
if (bs == BorderStyle.NotSet) {
if (bu.Value != 0.0) {
attributes.Add(HtmlTextWriterStyle.BorderStyle, "solid");
}
}
else {
attributes.Add(HtmlTextWriterStyle.BorderStyle, borderStyles[(int)bs]);
}
}
else {
if (bs != BorderStyle.NotSet) {
attributes.Add(HtmlTextWriterStyle.BorderStyle, borderStyles[(int)bs]);
}
}
Unit u;
// Height
if (base.IsSet(PROP_HEIGHT)) {
u = (Unit)viewState["Height"];
if (!u.IsEmpty) {
attributes.Add(HtmlTextWriterStyle.Height, u.ToString(CultureInfo.InvariantCulture));
}
}
// Width
if (base.IsSet(PROP_WIDTH)) {
u = (Unit)viewState["Width"];
if (!u.IsEmpty) {
attributes.Add(HtmlTextWriterStyle.Width, u.ToString(CultureInfo.InvariantCulture));
}
}
if (!HorizontalPadding.IsEmpty || !VerticalPadding.IsEmpty) {
attributes.Add(HtmlTextWriterStyle.Padding, string.Format(CultureInfo.InvariantCulture,
"{0} {1} {0} {1}",
VerticalPadding.IsEmpty ? Unit.Pixel(0) : VerticalPadding,
HorizontalPadding.IsEmpty ? Unit.Pixel(0) : HorizontalPadding));
}
}
///
/// Copies non-blank elements from the specified style, but will not overwrite
/// any existing style elements.
///
public override void MergeWith(Style s) {
if (s != null) {
if (IsEmpty) {
// Merging with an empty style is equivalent to copying,
// which is more efficient.
CopyFrom(s);
return;
}
base.MergeWith(s);
SubMenuStyle sms = s as SubMenuStyle;
// Since we're already copying the registered CSS class in base.MergeWith, we don't
// need to any attributes that would be included in that class.
if (sms != null && !sms.IsEmpty && s.RegisteredCssClass.Length == 0) {
if (sms.IsSet(PROP_VPADDING) && !this.IsSet(PROP_VPADDING)) {
this.VerticalPadding = sms.VerticalPadding;
}
if (sms.IsSet(PROP_HPADDING) && !this.IsSet(PROP_HPADDING)) {
this.HorizontalPadding = sms.HorizontalPadding;
}
}
}
}
///
/// Clears out any defined style elements from the state bag.
///
public override void Reset() {
if (IsSet(PROP_VPADDING))
ViewState.Remove("VerticalPadding");
if (IsSet(PROP_HPADDING))
ViewState.Remove("HorizontalPadding");
base.Reset();
}
#region ICustomTypeDesciptor implementation
System.ComponentModel.AttributeCollection ICustomTypeDescriptor.GetAttributes() {
return TypeDescriptor.GetAttributes(this, true);
}
string ICustomTypeDescriptor.GetClassName() {
return TypeDescriptor.GetClassName(this, true);
}
string ICustomTypeDescriptor.GetComponentName() {
return TypeDescriptor.GetComponentName(this, true);
}
TypeConverter ICustomTypeDescriptor.GetConverter() {
return TypeDescriptor.GetConverter(this, true);
}
EventDescriptor ICustomTypeDescriptor.GetDefaultEvent() {
return TypeDescriptor.GetDefaultEvent(this, true);
}
PropertyDescriptor ICustomTypeDescriptor.GetDefaultProperty() {
return TypeDescriptor.GetDefaultProperty(this, true);
}
object ICustomTypeDescriptor.GetEditor(Type editorBaseType) {
return TypeDescriptor.GetEditor(this, editorBaseType, true);
}
EventDescriptorCollection ICustomTypeDescriptor.GetEvents() {
return TypeDescriptor.GetEvents(this, true);
}
EventDescriptorCollection ICustomTypeDescriptor.GetEvents(Attribute[] attributes) {
return TypeDescriptor.GetEvents(this, attributes, true);
}
PropertyDescriptorCollection ICustomTypeDescriptor.GetProperties() {
return ((ICustomTypeDescriptor)this).GetProperties(null);
}
PropertyDescriptorCollection ICustomTypeDescriptor.GetProperties(Attribute[] attributes) {
PropertyDescriptorCollection oldProperties = TypeDescriptor.GetProperties(GetType(), attributes);
PropertyDescriptor[] newProperties = new PropertyDescriptor[oldProperties.Count];
PropertyDescriptor fontProperty = oldProperties["Font"];
PropertyDescriptor forecolorProperty = oldProperties["ForeColor"];
Attribute[] newAttributes = new Attribute[] {
new BrowsableAttribute(false),
new EditorBrowsableAttribute(EditorBrowsableState.Never),
new ThemeableAttribute(false),
};
for (int i = 0; i < oldProperties.Count; i++) {
PropertyDescriptor property = oldProperties[i];
if ((property == fontProperty) || (property == forecolorProperty)) {
newProperties[i] = TypeDescriptor.CreateProperty(GetType(), property, newAttributes);
}
else {
newProperties[i] = property;
}
}
return new PropertyDescriptorCollection(newProperties, true);
}
object ICustomTypeDescriptor.GetPropertyOwner(PropertyDescriptor pd) {
return this;
}
#endregion //ICustomTypeDescriptor implementation
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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