303 lines
11 KiB
C#
303 lines
11 KiB
C#
//------------------------------------------------------------------------------
|
|
// <copyright file="SubMenuStyle.cs" company="Microsoft">
|
|
// Copyright (c) Microsoft Corporation. All rights reserved.
|
|
// </copyright>
|
|
//------------------------------------------------------------------------------
|
|
|
|
namespace System.Web.UI.WebControls {
|
|
using System.ComponentModel;
|
|
using System.Drawing;
|
|
using System.Globalization;
|
|
using System.Text;
|
|
using System.Web.UI;
|
|
|
|
/// <devdoc>
|
|
/// Specifies the style of a SubMenu.
|
|
/// </devdoc>
|
|
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) {
|
|
}
|
|
|
|
/// <devdoc>
|
|
/// Gets and sets the horizontal padding around the node text
|
|
/// </devdoc>
|
|
[
|
|
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);
|
|
}
|
|
}
|
|
|
|
|
|
/// <devdoc>
|
|
/// Gets and sets the vertical padding around the node text
|
|
/// </devdoc>
|
|
[
|
|
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);
|
|
}
|
|
}
|
|
|
|
|
|
/// <devdoc>
|
|
/// Copies non-blank elements from the specified style, overwriting existing
|
|
/// style elements if necessary.
|
|
/// </devdoc>
|
|
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));
|
|
}
|
|
}
|
|
|
|
|
|
/// <devdoc>
|
|
/// Copies non-blank elements from the specified style, but will not overwrite
|
|
/// any existing style elements.
|
|
/// </devdoc>
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/// <devdoc>
|
|
/// Clears out any defined style elements from the state bag.
|
|
/// </devdoc>
|
|
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
|
|
|
|
}
|
|
}
|