//
// System.Web.UI.WebControls.TreeNodeStyle.cs
//
// Authors:
// Lluis Sanchez Gual (lluis@novell.com)
//
// (C) 2004 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.
//
// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
//
#if NET_2_0
using System;
using System.Web.UI;
using System.ComponentModel;
namespace System.Web.UI.WebControls{
public sealed class TreeNodeStyle: Style
{
const string CHILD_PADD = "ChildNodesPadding";
const string HORZ_PADD = "HorizontalPadding";
const string IMG_URL = "ImageUrl";
const string SPACING = "NodeSpacing";
const string VERT_PADD = "VerticalPadding";
[Flags]
enum TreeNodeStyles
{
ChildNodesPadding = 0x00010000,
HorizontalPadding = 0x00020000,
ImageUrl = 0x00040000,
NodeSpacing = 0x00080000,
VerticalPadding = 0x00100000,
}
public TreeNodeStyle ()
: base ()
{
}
public TreeNodeStyle (StateBag bag)
: base (bag)
{
}
[DefaultValue ("")]
[UrlProperty]
[NotifyParentProperty (true)]
[Editor ("System.Web.UI.Design.ImageUrlEditor, " + Consts.AssemblySystem_Design, typeof (System.Drawing.Design.UITypeEditor))]
public string ImageUrl {
get {
if (!CheckBit ((int) TreeNodeStyles.ImageUrl))
return String.Empty;
return ViewState.GetString (IMG_URL, String.Empty);
}
set {
if(value == null)
throw new ArgumentNullException("value");
ViewState [IMG_URL] = value;
SetBit ((int) TreeNodeStyles.ImageUrl);
}
}
[DefaultValue (0)]
[NotifyParentProperty (true)]
public Unit ChildNodesPadding {
get {
if (!CheckBit ((int) TreeNodeStyles.ChildNodesPadding))
return 0;
return ViewState [CHILD_PADD] == null ? 0 : (Unit) ViewState [CHILD_PADD];
}
set {
ViewState [CHILD_PADD] = value;
SetBit ((int) TreeNodeStyles.ChildNodesPadding);
}
}
[DefaultValue (0)]
[NotifyParentProperty (true)]
public Unit HorizontalPadding {
get {
if (!CheckBit ((int) TreeNodeStyles.HorizontalPadding))
return 0;
return ViewState [HORZ_PADD] == null ? 0 : (Unit) ViewState [HORZ_PADD];
}
set {
ViewState[HORZ_PADD] = value;
SetBit ((int) TreeNodeStyles.HorizontalPadding);
}
}
[DefaultValue (0)]
[NotifyParentProperty (true)]
public Unit VerticalPadding {
get {
if (!CheckBit ((int) TreeNodeStyles.VerticalPadding))
return 0;
return ViewState [VERT_PADD] == null ? 0 : (Unit) ViewState [VERT_PADD];
}
set {
ViewState [VERT_PADD] = value;
SetBit ((int) TreeNodeStyles.VerticalPadding);
}
}
[DefaultValue (0)]
[NotifyParentProperty (true)]
public Unit NodeSpacing {
get {
if (!CheckBit ((int) TreeNodeStyles.NodeSpacing))
return 0;
return ViewState [SPACING] == null ? 0 : (Unit) ViewState [SPACING];
}
set {
ViewState [SPACING] = value;
SetBit ((int) TreeNodeStyles.NodeSpacing);
}
}
public override void CopyFrom (Style s)
{
if (s == null || s.IsEmpty)
return;
base.CopyFrom (s);
TreeNodeStyle from = s as TreeNodeStyle;
if (from == null)
return;
if (from.CheckBit ((int) TreeNodeStyles.ChildNodesPadding))
ChildNodesPadding = from.ChildNodesPadding;
if (from.CheckBit ((int) TreeNodeStyles.HorizontalPadding))
HorizontalPadding = from.HorizontalPadding;
if (from.CheckBit ((int) TreeNodeStyles.ImageUrl))
ImageUrl = from.ImageUrl;
if (from.CheckBit ((int) TreeNodeStyles.NodeSpacing))
NodeSpacing = from.NodeSpacing;
if (from.CheckBit ((int) TreeNodeStyles.VerticalPadding))
VerticalPadding = from.VerticalPadding;
}
public override void MergeWith(Style s)
{
if(s != null && !s.IsEmpty)
{
if (IsEmpty) {
CopyFrom (s);
return;
}
base.MergeWith(s);
TreeNodeStyle with = s as TreeNodeStyle;
if (with == null) return;
if (with.CheckBit ((int) TreeNodeStyles.ChildNodesPadding) && !CheckBit ((int) TreeNodeStyles.ChildNodesPadding)) {
ChildNodesPadding = with.ChildNodesPadding;
}
if (with.CheckBit ((int) TreeNodeStyles.HorizontalPadding) && !CheckBit ((int) TreeNodeStyles.HorizontalPadding)) {
HorizontalPadding = with.HorizontalPadding;
}
if (with.CheckBit ((int) TreeNodeStyles.ImageUrl) && !CheckBit ((int) TreeNodeStyles.ImageUrl)) {
ImageUrl = with.ImageUrl;
}
if (with.CheckBit ((int) TreeNodeStyles.NodeSpacing) && !CheckBit ((int) TreeNodeStyles.NodeSpacing)) {
NodeSpacing = with.NodeSpacing;
}
if (with.CheckBit ((int) TreeNodeStyles.VerticalPadding) && !CheckBit ((int) TreeNodeStyles.VerticalPadding)) {
VerticalPadding = with.VerticalPadding;
}
}
}
public override void Reset()
{
if (CheckBit ((int) TreeNodeStyles.ChildNodesPadding))
ViewState.Remove(CHILD_PADD);
if (CheckBit ((int) TreeNodeStyles.HorizontalPadding))
ViewState.Remove(HORZ_PADD);
if (CheckBit ((int) TreeNodeStyles.ImageUrl))
ViewState.Remove(IMG_URL);
if (CheckBit ((int) TreeNodeStyles.NodeSpacing))
ViewState.Remove(SPACING);
if (CheckBit ((int) TreeNodeStyles.VerticalPadding))
ViewState.Remove(VERT_PADD);
base.Reset();
}
protected override void FillStyleAttributes (CssStyleCollection attributes, IUrlResolutionService urlResolver) {
base.FillStyleAttributes (attributes, urlResolver);
if (CheckBit ((int) TreeNodeStyles.HorizontalPadding)) {
attributes.Add (HtmlTextWriterStyle.PaddingLeft, HorizontalPadding.ToString ());
attributes.Add (HtmlTextWriterStyle.PaddingRight, HorizontalPadding.ToString ());
}
if (CheckBit ((int) TreeNodeStyles.VerticalPadding)) {
attributes.Add (HtmlTextWriterStyle.PaddingTop, VerticalPadding.ToString ());
attributes.Add (HtmlTextWriterStyle.PaddingBottom, VerticalPadding.ToString ());
}
}
}
}
#endif
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