Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / UI / WebControls / MenuItemStyle.cs / 1305376 / MenuItemStyle.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 MenuItem. /// public sealed class MenuItemStyle : Style { private const int PROP_VPADDING = 0x00010000; private const int PROP_HPADDING = 0x00020000; private const int PROP_ITEMSPACING = 0x00040000; private HyperLinkStyle _hyperLinkStyle; public MenuItemStyle() : base() { } public MenuItemStyle(StateBag bag) : base(bag) { } ////// Gets and sets the horizontal padding around the node text /// [ DefaultValue(typeof(Unit), ""), WebCategory("Layout"), NotifyParentProperty(true), WebSysDescription(SR.MenuItemStyle_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); } } internal HyperLinkStyle HyperLinkStyle { get { if (_hyperLinkStyle == null) { _hyperLinkStyle = new HyperLinkStyle(this); } return _hyperLinkStyle; } } ////// Gets and sets the vertical spacing between nodes /// [ DefaultValue(typeof(Unit), ""), WebCategory("Layout"), NotifyParentProperty(true), WebSysDescription(SR.MenuItemStyle_ItemSpacing) ] public Unit ItemSpacing { get { if (IsSet(PROP_ITEMSPACING)) { return (Unit)(ViewState["ItemSpacing"]); } return Unit.Empty; } set { if ((value.Type == UnitType.Percentage) || (value.Value < 0)) { throw new ArgumentOutOfRangeException("value"); } ViewState["ItemSpacing"] = value; SetBit(PROP_ITEMSPACING); } } ////// Gets and sets the vertical padding around the node text /// [ DefaultValue(typeof(Unit), ""), WebCategory("Layout"), NotifyParentProperty(true), WebSysDescription(SR.MenuItemStyle_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); MenuItemStyle mis = s as MenuItemStyle; if (mis != null && !mis.IsEmpty) { // Only copy the Css attributes if they aren't included in the source Style's registered CSS class if (s.RegisteredCssClass.Length != 0) { if (mis.IsSet(PROP_VPADDING)) { ViewState.Remove("VerticalPadding"); ClearBit(PROP_VPADDING); } if (mis.IsSet(PROP_HPADDING)) { ViewState.Remove("HorizontalPadding"); ClearBit(PROP_HPADDING); } } else { if (mis.IsSet(PROP_VPADDING)) { this.VerticalPadding = mis.VerticalPadding; } if (mis.IsSet(PROP_HPADDING)) { this.HorizontalPadding = mis.HorizontalPadding; } } // Item spacing is not rendered in the registered css, so we always copy it if (mis.IsSet(PROP_ITEMSPACING)) { this.ItemSpacing = mis.ItemSpacing; } } } } protected override void FillStyleAttributes(CssStyleCollection attributes, IUrlResolutionService urlResolver) { // The main style will be rendered on the container element, that does not contain the text. // The Hyperlink style will render the text 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 (IsSet(PROP_BACKCOLOR)) { c = (Color)viewState["BackColor"]; if (!c.IsEmpty) { attributes.Add(HtmlTextWriterStyle.BackgroundColor, ColorTranslator.ToHtml(c)); } } // BorderColor if (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 (IsSet(PROP_HEIGHT)) { u = (Unit)viewState["Height"]; if (!u.IsEmpty) { attributes.Add(HtmlTextWriterStyle.Height, u.ToString(CultureInfo.InvariantCulture)); } } // Width if (IsSet(PROP_WIDTH)) { u = (Unit)viewState["Width"]; if (!u.IsEmpty) { attributes.Add(HtmlTextWriterStyle.Width, u.ToString(CultureInfo.InvariantCulture)); } } if (!HorizontalPadding.IsEmpty || !VerticalPadding.IsEmpty) { // DevDiv Bugs 84107: Must pass InvariantCulture to Unit.ToString since Unit is not IFormattable. Unit verticalPadding = VerticalPadding.IsEmpty ? Unit.Pixel(0) : VerticalPadding; Unit horizontalPadding = HorizontalPadding.IsEmpty ? Unit.Pixel(0) : HorizontalPadding; attributes.Add(HtmlTextWriterStyle.Padding, string.Format(CultureInfo.InvariantCulture, "{0} {1} {0} {1}", verticalPadding.ToString(CultureInfo.InvariantCulture), horizontalPadding.ToString(CultureInfo.InvariantCulture))); } } 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); MenuItemStyle mis = s as MenuItemStyle; if (mis != null && !mis.IsEmpty) { // 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 (s.RegisteredCssClass.Length == 0) { if (mis.IsSet(PROP_VPADDING) && !this.IsSet(PROP_VPADDING)) { this.VerticalPadding = mis.VerticalPadding; } if (mis.IsSet(PROP_HPADDING) && !this.IsSet(PROP_HPADDING)) { this.HorizontalPadding = mis.HorizontalPadding; } } if (mis.IsSet(PROP_ITEMSPACING) && !this.IsSet(PROP_ITEMSPACING)) { this.ItemSpacing = mis.ItemSpacing; } } } } ////// 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"); if (IsSet(PROP_ITEMSPACING)) ViewState.Remove("ItemSpacing"); ResetCachedStyles(); base.Reset(); } internal void ResetCachedStyles() { _hyperLinkStyle = null; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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