Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / xsp / System / Web / UI / WebControls / FontInfo.cs / 1 / FontInfo.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls { using System.ComponentModel.Design; using System; using System.ComponentModel; using System.Collections; using System.Drawing; using System.Drawing.Design; using System.Globalization; using System.Web; using System.Security.Permissions; ////// [ TypeConverterAttribute(typeof(ExpandableObjectConverter)) ] [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] public sealed class FontInfo { private Style owner; ///Represents the font properties for text. This class cannot be inherited. ////// internal FontInfo(Style owner) { this.owner = owner; } ////// [ WebCategory("Appearance"), DefaultValue(false), WebSysDescription(SR.FontInfo_Bold), NotifyParentProperty(true) ] public bool Bold { get { if (owner.IsSet(Style.PROP_FONT_BOLD)) { return (bool)(owner.ViewState["Font_Bold"]); } return false; } set { owner.ViewState["Font_Bold"] = value; owner.SetBit(Style.PROP_FONT_BOLD); } } ///Indicates whether the text is bold. ////// [ WebCategory("Appearance"), DefaultValue(false), WebSysDescription(SR.FontInfo_Italic), NotifyParentProperty(true) ] public bool Italic { get { if (owner.IsSet(Style.PROP_FONT_ITALIC)) { return (bool)(owner.ViewState["Font_Italic"]); } return false; } set { owner.ViewState["Font_Italic"] = value; owner.SetBit(Style.PROP_FONT_ITALIC); } } ///Indicates whether the text is italic. ////// [ Editor("System.Drawing.Design.FontNameEditor, " + AssemblyRef.SystemDrawingDesign, typeof(UITypeEditor)), TypeConverterAttribute(typeof(FontConverter.FontNameConverter)), WebCategory("Appearance"), DefaultValue(""), WebSysDescription(SR.FontInfo_Name), NotifyParentProperty(true), RefreshProperties(RefreshProperties.Repaint), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden) ] public string Name { get { string[] names = Names; if (names.Length > 0) return names[0]; return String.Empty; } set { if (value == null) throw new ArgumentNullException("value"); if (value.Length == 0) { Names = null; } else { Names = new string[1] { value }; } } } ///Indicates the name of the font. ////// [ TypeConverterAttribute(typeof(FontNamesConverter)), WebCategory("Appearance"), Editor("System.Windows.Forms.Design.StringArrayEditor, " + AssemblyRef.SystemDesign, typeof(UITypeEditor)), WebSysDescription(SR.FontInfo_Names), RefreshProperties(RefreshProperties.Repaint), NotifyParentProperty(true) ] public string[] Names { get { if (owner.IsSet(Style.PROP_FONT_NAMES)) { string[] names = (string[])owner.ViewState["Font_Names"]; if (names != null) return names; } return new string[0]; } set { owner.ViewState["Font_Names"] = value; owner.SetBit(Style.PROP_FONT_NAMES); } } ////// [ WebCategory("Appearance"), DefaultValue(false), WebSysDescription(SR.FontInfo_Overline), NotifyParentProperty(true) ] public bool Overline { get { if (owner.IsSet(Style.PROP_FONT_OVERLINE)) { return (bool)(owner.ViewState["Font_Overline"]); } return false; } set { owner.ViewState["Font_Overline"] = value; owner.SetBit(Style.PROP_FONT_OVERLINE); } } ///Indicates whether the text is overline. ////// internal Style Owner { get { return owner; } } ////// [ WebCategory("Appearance"), DefaultValue(typeof(FontUnit), ""), WebSysDescription(SR.FontInfo_Size), NotifyParentProperty(true), RefreshProperties(RefreshProperties.Repaint) ] public FontUnit Size { get { if (owner.IsSet(Style.PROP_FONT_SIZE)) { return (FontUnit)(owner.ViewState["Font_Size"]); } return FontUnit.Empty; } set { if ((value.Type == FontSize.AsUnit) && (value.Unit.Value < 0)) { throw new ArgumentOutOfRangeException("value"); } owner.ViewState["Font_Size"] = value; owner.SetBit(Style.PROP_FONT_SIZE); } } ///Indicates the font size. ////// [ WebCategory("Appearance"), DefaultValue(false), WebSysDescription(SR.FontInfo_Strikeout), NotifyParentProperty(true) ] public bool Strikeout { get { if (owner.IsSet(Style.PROP_FONT_STRIKEOUT)) { return (bool)(owner.ViewState["Font_Strikeout"]); } return false; } set { owner.ViewState["Font_Strikeout"] = value; owner.SetBit(Style.PROP_FONT_STRIKEOUT); } } ///Indicates whether the text is striked out. ////// [ WebCategory("Appearance"), DefaultValue(false), WebSysDescription(SR.FontInfo_Underline), NotifyParentProperty(true) ] public bool Underline { get { if (owner.IsSet(Style.PROP_FONT_UNDERLINE)) { return (bool)(owner.ViewState["Font_Underline"]); } return false; } set { owner.ViewState["Font_Underline"] = value; owner.SetBit(Style.PROP_FONT_UNDERLINE); } } ///Indicates whether the text is underlined. ////// public void ClearDefaults() { if (Names.Length == 0) { owner.ViewState.Remove("Font_Names"); owner.ClearBit(Style.PROP_FONT_NAMES); } if (Size == FontUnit.Empty) { owner.ViewState.Remove("Font_Size"); owner.ClearBit(Style.PROP_FONT_SIZE); } if (Bold == false) ResetBold(); if (Italic == false) ResetItalic(); if (Underline == false) ResetUnderline(); if (Overline == false) ResetOverline(); if (Strikeout == false) ResetStrikeout(); } ///Resets all properties that have their default value to their unset state. ////// public void CopyFrom(FontInfo f) { if (f != null) { Style fOwner = f.Owner; if (fOwner.RegisteredCssClass.Length != 0) { if (fOwner.IsSet(Style.PROP_FONT_NAMES)) ResetNames(); if (fOwner.IsSet(Style.PROP_FONT_SIZE) && (f.Size != FontUnit.Empty)) ResetFontSize(); if (fOwner.IsSet(Style.PROP_FONT_BOLD)) ResetBold(); if (fOwner.IsSet(Style.PROP_FONT_ITALIC)) ResetItalic(); if (fOwner.IsSet(Style.PROP_FONT_OVERLINE)) ResetOverline(); if (fOwner.IsSet(Style.PROP_FONT_STRIKEOUT)) ResetStrikeout(); if (fOwner.IsSet(Style.PROP_FONT_UNDERLINE)) ResetUnderline(); } else { if (fOwner.IsSet(Style.PROP_FONT_NAMES)) { Names = f.Names; } if (fOwner.IsSet(Style.PROP_FONT_SIZE) && (f.Size != FontUnit.Empty)) Size = f.Size; // Only carry through true boolean values. Otherwise merging and copying // can do 3 different things for each property, but they are only persisted // as 2 state values. if (fOwner.IsSet(Style.PROP_FONT_BOLD)) Bold = f.Bold; if (fOwner.IsSet(Style.PROP_FONT_ITALIC)) Italic = f.Italic; if (fOwner.IsSet(Style.PROP_FONT_OVERLINE)) Overline = f.Overline; if (fOwner.IsSet(Style.PROP_FONT_STRIKEOUT)) Strikeout = f.Strikeout; if (fOwner.IsSet(Style.PROP_FONT_UNDERLINE)) Underline = f.Underline; } } } ///Copies the font properties of another ///into this instance. /// public void MergeWith(FontInfo f) { if (f != null) { Style fOwner = f.Owner; if (fOwner.RegisteredCssClass.Length == 0) { if (fOwner.IsSet(Style.PROP_FONT_NAMES) && !owner.IsSet(Style.PROP_FONT_NAMES)) Names = f.Names; if (fOwner.IsSet(Style.PROP_FONT_SIZE) && (!owner.IsSet(Style.PROP_FONT_SIZE) || (Size == FontUnit.Empty))) Size = f.Size; if (fOwner.IsSet(Style.PROP_FONT_BOLD) && !owner.IsSet(Style.PROP_FONT_BOLD)) Bold = f.Bold; if (fOwner.IsSet(Style.PROP_FONT_ITALIC) && !owner.IsSet(Style.PROP_FONT_ITALIC)) Italic = f.Italic; if (fOwner.IsSet(Style.PROP_FONT_OVERLINE) && !owner.IsSet(Style.PROP_FONT_OVERLINE)) Overline = f.Overline; if (fOwner.IsSet(Style.PROP_FONT_STRIKEOUT) && !owner.IsSet(Style.PROP_FONT_STRIKEOUT)) Strikeout = f.Strikeout; if (fOwner.IsSet(Style.PROP_FONT_UNDERLINE) && !owner.IsSet(Style.PROP_FONT_UNDERLINE)) Underline = f.Underline; } } } ///Combines the font properties of another ///with this /// instance. /// Resets all properties to their defaults. /// internal void Reset() { if (owner.IsSet(Style.PROP_FONT_NAMES)) ResetNames(); if (owner.IsSet(Style.PROP_FONT_SIZE)) ResetFontSize(); if (owner.IsSet(Style.PROP_FONT_BOLD)) ResetBold(); if (owner.IsSet(Style.PROP_FONT_ITALIC)) ResetItalic(); if (owner.IsSet(Style.PROP_FONT_UNDERLINE)) ResetUnderline(); if (owner.IsSet(Style.PROP_FONT_OVERLINE)) ResetOverline(); if (owner.IsSet(Style.PROP_FONT_STRIKEOUT)) ResetStrikeout(); } ////// Only serialize if the Bold property has changed. This means that we serialize "false" /// if they were set to false in the designer. /// private void ResetBold() { owner.ViewState.Remove("Font_Bold"); owner.ClearBit(Style.PROP_FONT_BOLD); } private void ResetNames() { owner.ViewState.Remove("Font_Names"); owner.ClearBit(Style.PROP_FONT_NAMES); } private void ResetFontSize() { owner.ViewState.Remove("Font_Size"); owner.ClearBit(Style.PROP_FONT_SIZE); } ////// Only serialize if the Italic property has changed. This means that we serialize "false" /// if they were set to false in the designer. /// private void ResetItalic() { owner.ViewState.Remove("Font_Italic"); owner.ClearBit(Style.PROP_FONT_ITALIC); } ////// Only serialize if the Overline property has changed. This means that we serialize "false" /// if they were set to false in the designer. /// private void ResetOverline() { owner.ViewState.Remove("Font_Overline"); owner.ClearBit(Style.PROP_FONT_OVERLINE); } ////// Only serialize if the Strikeout property has changed. This means that we serialize "false" /// if they were set to false in the designer. /// private void ResetStrikeout() { owner.ViewState.Remove("Font_Strikeout"); owner.ClearBit(Style.PROP_FONT_STRIKEOUT); } ////// Only serialize if the Underline property has changed. This means that we serialize "false" /// if they were set to false in the designer. /// private void ResetUnderline() { owner.ViewState.Remove("Font_Underline"); owner.ClearBit(Style.PROP_FONT_UNDERLINE); } ////// Only serialize if the Bold property has changed. This means that we serialize "false" /// if they were set to false in the designer. /// private bool ShouldSerializeBold() { return owner.IsSet(Style.PROP_FONT_BOLD); } ////// Only serialize if the Italic property has changed. This means that we serialize "false" /// if they were set to false in the designer. /// private bool ShouldSerializeItalic() { return owner.IsSet(Style.PROP_FONT_ITALIC); } ////// Only serialize if the Overline property has changed. This means that we serialize "false" /// if they were set to false in the designer. /// private bool ShouldSerializeOverline() { return owner.IsSet(Style.PROP_FONT_OVERLINE); } ////// Only serialize if the Strikeout property has changed. This means that we serialize "false" /// if they were set to false in the designer. /// private bool ShouldSerializeStrikeout() { return owner.IsSet(Style.PROP_FONT_STRIKEOUT); } ////// Only serialize if the Underline property has changed. This means that we serialize "false" /// if they were set to false in the designer. /// private bool ShouldSerializeUnderline() { return owner.IsSet(Style.PROP_FONT_UNDERLINE); } ///public bool ShouldSerializeNames() { string[] names = Names; return names.Length > 0; } /// /// public override string ToString() { string size = this.Size.ToString(CultureInfo.InvariantCulture); string s = this.Name; if (size.Length != 0) { if (s.Length != 0) { s += ", " + size; } else { s = size; } } return s; } } }
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