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//
// System.Web.UI.WebControls.TableItemStyle.cs
//
// Author:
// Sebastien Pouliot <sebastien@ximian.com>
//
// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.ComponentModel;
using System.Globalization;
using System.Security.Permissions;
using System.Web.UI;
namespace System.Web.UI.WebControls {
[AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
public class TableItemStyle : Style {
[Flags]
enum TableItemStyles
{
HorizontalAlign = 0x00010000,
VerticalAlign = 0x00020000,
Wrap = 0x00040000,
}
public TableItemStyle ()
{
}
public TableItemStyle (StateBag bag)
: base (bag)
{
}
[DefaultValue (HorizontalAlign.NotSet)]
[NotifyParentProperty (true)]
[WebSysDescription ("")]
[WebCategory("Layout")]
public virtual HorizontalAlign HorizontalAlign {
get {
if (!CheckBit ((int) TableItemStyles.HorizontalAlign))
return HorizontalAlign.NotSet;
return (HorizontalAlign) ViewState ["HorizontalAlign"];
}
set {
// avoid reflection
if ((value < HorizontalAlign.NotSet) || (value > HorizontalAlign.Justify)) {
// LAMESPEC: documented as ArgumentException
throw new ArgumentOutOfRangeException (Locale.GetText ("Invalid HorizontalAlign value."));
}
ViewState ["HorizontalAlign"] = value;
SetBit ((int) TableItemStyles.HorizontalAlign);
}
}
[DefaultValue (VerticalAlign.NotSet)]
[NotifyParentProperty (true)]
[WebSysDescription ("")]
[WebCategory("Layout")]
public virtual VerticalAlign VerticalAlign {
get {
if (!CheckBit ((int) TableItemStyles.VerticalAlign))
return VerticalAlign.NotSet;
return (VerticalAlign) ViewState ["VerticalAlign"];
}
set {
// avoid reflection
if ((value < VerticalAlign.NotSet) || (value > VerticalAlign.Bottom)) {
// LAMESPEC: documented as ArgumentException
throw new ArgumentOutOfRangeException (Locale.GetText ("Invalid VerticalAlign value."));
}
ViewState ["VerticalAlign"] = value;
SetBit ((int) TableItemStyles.VerticalAlign);
}
}
[DefaultValue (true)]
[NotifyParentProperty (true)]
[WebSysDescription ("")]
[WebCategory("Layout")]
public virtual bool Wrap {
get {
if (!CheckBit ((int) TableItemStyles.Wrap))
return true;
return (bool) ViewState ["Wrap"];
}
set {
ViewState ["Wrap"] = value;
SetBit ((int) TableItemStyles.Wrap);
}
}
public override void AddAttributesToRender (HtmlTextWriter writer, WebControl owner)
{
base.AddAttributesToRender (writer, owner);
if (writer == null)
return;
// note: avoid ToString on the enum
switch (HorizontalAlign) {
case HorizontalAlign.Left:
writer.AddAttribute (HtmlTextWriterAttribute.Align, "left", false);
break;
case HorizontalAlign.Center:
writer.AddAttribute (HtmlTextWriterAttribute.Align, "center", false);
break;
case HorizontalAlign.Right:
writer.AddAttribute (HtmlTextWriterAttribute.Align, "right", false);
break;
case HorizontalAlign.Justify:
writer.AddAttribute (HtmlTextWriterAttribute.Align, "justify", false);
break;
}
// note: avoid ToString on the enum
switch (VerticalAlign) {
case VerticalAlign.Top:
writer.AddAttribute (HtmlTextWriterAttribute.Valign, "top", false);
break;
case VerticalAlign.Middle:
writer.AddAttribute (HtmlTextWriterAttribute.Valign, "middle", false);
break;
case VerticalAlign.Bottom:
writer.AddAttribute (HtmlTextWriterAttribute.Valign, "bottom", false);
break;
}
if (!Wrap) {
writer.AddStyleAttribute (HtmlTextWriterStyle.WhiteSpace, "nowrap");
}
}
void Copy (string name, TableItemStyles s, Style source)
{
if (source.CheckBit((int) s)) {
object o = source.ViewState [name];
if (o != null) {
ViewState [name] = o;
SetBit ((int) s);
}
}
}
public override void CopyFrom (Style s)
{
base.CopyFrom (s);
if (s != null && !s.IsEmpty) {
Copy ("HorizontalAlign", TableItemStyles.HorizontalAlign, s);
Copy ("VerticalAlign", TableItemStyles.VerticalAlign, s);
Copy ("Wrap", TableItemStyles.Wrap, s);
}
}
void Merge (string name, TableItemStyles s, Style source)
{
if ((!CheckBit ((int) s)) && (source.CheckBit ((int) s))) {
object o = source.ViewState [name];
if (o != null) {
ViewState [name] = o;
SetBit ((int) s);
}
}
}
public override void MergeWith (Style s)
{
// if we're empty then it's like a copy
if (IsEmpty) {
CopyFrom (s);
} else {
base.MergeWith (s);
if (s != null) {
Merge ("HorizontalAlign", TableItemStyles.HorizontalAlign, s);
Merge ("VerticalAlign", TableItemStyles.VerticalAlign, s);
Merge ("Wrap", TableItemStyles.Wrap, s);
}
}
}
public override void Reset ()
{
if (CheckBit ((int) TableItemStyles.HorizontalAlign))
ViewState.Remove ("HorizontalAlign");
if (CheckBit ((int) TableItemStyles.VerticalAlign))
ViewState.Remove ("VerticalAlign");
if (CheckBit ((int) TableItemStyles.Wrap))
ViewState.Remove ("Wrap");
// call base at the end because "styles" will reset there
base.Reset ();
}
}
}
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