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//------------------------------------------------------------------------------
// <copyright file="TreeNodeBinding.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.UI.WebControls {
using System;
using System.ComponentModel;
using System.Drawing.Design;
using System.Web;
/// <devdoc>
/// Provides a data mapping definition for a TreeView
/// </devdoc>
[DefaultProperty("TextField")]
public sealed class TreeNodeBinding : IStateManager, ICloneable, IDataSourceViewSchemaAccessor {
private bool _isTrackingViewState;
private StateBag _viewState;
/// <devdoc>
/// The data member to use in the mapping
/// </devdoc>
[
DefaultValue(""),
WebCategory("Data"),
WebSysDescription(SR.Binding_DataMember),
]
public string DataMember {
get {
string s = (string)ViewState["DataMember"];
if (s == null) {
return String.Empty;
}
else {
return s;
}
}
set {
ViewState["DataMember"] = value;
}
}
/// <devdoc>
/// The depth of the level for which this TreeNodeBinding is defining a data mapping
/// </devdoc>
[
DefaultValue(-1),
TypeConverter("System.Web.UI.Design.WebControls.TreeNodeBindingDepthConverter, " + AssemblyRef.SystemDesign),
WebCategory("Data"),
WebSysDescription(SR.TreeNodeBinding_Depth),
]
public int Depth {
get {
object o = ViewState["Depth"];
if (o == null) {
return -1;
}
return (int)o;
}
set {
ViewState["Depth"] = value;
}
}
[DefaultValue("")]
[Localizable(true)]
[WebCategory("Databindings")]
[WebSysDescription(SR.TreeNodeBinding_FormatString)]
public string FormatString {
get {
string s = (string)ViewState["FormatString"];
if (s == null) {
return String.Empty;
}
return s;
}
set {
ViewState["FormatString"] = value;
}
}
/// <devdoc>
/// Gets and sets the TreeNodeBinding ImageToolTip
/// </devdoc>
[DefaultValue("")]
[Localizable(true)]
[WebCategory("DefaultProperties")]
[WebSysDescription(SR.TreeNodeBinding_ImageToolTip)]
public string ImageToolTip {
get {
string s = (string)ViewState["ImageToolTip"];
if (s == null) {
return String.Empty;
}
return s;
}
set {
ViewState["ImageToolTip"] = value;
}
}
/// <devdoc>
/// Get and sets the fieldname to use for the ImageToolTip property in a TreeNode
/// </devdoc>
[DefaultValue("")]
[TypeConverter("System.Web.UI.Design.DataSourceViewSchemaConverter, " + AssemblyRef.SystemDesign), WebSysDescription(SR.TreeNodeBinding_ImageToolTipField)]
[WebCategory("Databindings")]
public string ImageToolTipField {
get {
string s = (string)ViewState["ImageToolTipField"];
if (s == null) {
return String.Empty;
}
else {
return s;
}
}
set {
ViewState["ImageToolTipField"] = value;
}
}
/// <devdoc>
/// Gets and sets the image URl to be rendered for this node
/// </devdoc>
[DefaultValue("")]
[Editor("System.Web.UI.Design.ImageUrlEditor, " + AssemblyRef.SystemDesign, typeof(UITypeEditor))]
[UrlProperty()]
[WebCategory("DefaultProperties")]
[WebSysDescription(SR.TreeNodeBinding_ImageUrl)]
public string ImageUrl {
get {
string s = (string)ViewState["ImageUrl"];
if (s == null) {
return String.Empty;
}
return s;
}
set {
ViewState["ImageUrl"] = value;
}
}
/// <devdoc>
/// Get and sets the fieldname to use for the ImageUrl property in a TreeNode
/// </devdoc>
[
DefaultValue(""),
TypeConverter("System.Web.UI.Design.DataSourceViewSchemaConverter, " + AssemblyRef.SystemDesign),
WebCategory("Databindings"),
WebSysDescription(SR.TreeNodeBinding_ImageUrlField),
]
public string ImageUrlField {
get {
string s = (string)ViewState["ImageUrlField"];
if (s == null) {
return String.Empty;
}
else {
return s;
}
}
set {
ViewState["ImageUrlField"] = value;
}
}
/// <devdoc>
/// Gets and sets the URL to navigate to when the node is clicked
/// </devdoc>
[DefaultValue("")]
[Editor("System.Web.UI.Design.UrlEditor, " + AssemblyRef.SystemDesign, typeof(UITypeEditor))]
[UrlProperty()]
[WebCategory("DefaultProperties")]
[WebSysDescription(SR.TreeNodeBinding_NavigateUrl)]
public string NavigateUrl {
get {
string s = (string)ViewState["NavigateUrl"];
if (s == null) {
return String.Empty;
}
return s;
}
set {
ViewState["NavigateUrl"] = value;
}
}
/// <devdoc>
/// Get and sets the fieldname to use for the NavigateUrl property in a TreeNode
/// </devdoc>
[
DefaultValue(""),
TypeConverter("System.Web.UI.Design.DataSourceViewSchemaConverter, " + AssemblyRef.SystemDesign),
WebCategory("Databindings"),
WebSysDescription(SR.TreeNodeBinding_NavigateUrlField),
]
public string NavigateUrlField {
get {
string s = (string)ViewState["NavigateUrlField"];
if (s == null) {
return String.Empty;
}
else {
return s;
}
}
set {
ViewState["NavigateUrlField"] = value;
}
}
/// <devdoc>
/// Gets and sets whether to populate this binding immediately or on the next request for population
/// </devdoc>
[
DefaultValue(false),
WebCategory("DefaultProperties"),
WebSysDescription(SR.TreeNodeBinding_PopulateOnDemand),
]
public bool PopulateOnDemand {
get {
object o = ViewState["PopulateOnDemand"];
if (o == null) {
return false;
}
return (bool)o;
}
set {
ViewState["PopulateOnDemand"] = value;
}
}
/// <devdoc>
/// Gets and sets the action which the TreeNodeBinding will perform when selected
/// </devdoc>
[DefaultValue(TreeNodeSelectAction.Select)]
[WebCategory("DefaultProperties")]
[WebSysDescription(SR.TreeNodeBinding_SelectAction)]
public TreeNodeSelectAction SelectAction {
get {
object o = ViewState["SelectAction"];
if (o == null) {
return TreeNodeSelectAction.Select;
}
return (TreeNodeSelectAction)o;
}
set {
ViewState["SelectAction"] = value;
}
}
/// <devdoc>
/// Gets and sets whether the TreeNodeBinding has a CheckBox
/// </devdoc>
[DefaultValue(typeof(Nullable<bool>), "")]
[WebCategory("DefaultProperties")]
[WebSysDescription(SR.TreeNodeBinding_ShowCheckBox)]
public bool? ShowCheckBox {
get {
object o = ViewState["ShowCheckBox"];
if (o == null) {
return null;
}
return (bool?)o;
}
set {
ViewState["ShowCheckBox"] = value;
}
}
/// <devdoc>
/// Gets and sets the target window that the TreeNodeBinding will browse to if selected
/// </devdoc>
[DefaultValue("")]
[WebCategory("DefaultProperties")]
[WebSysDescription(SR.TreeNodeBinding_Target)]
public string Target {
get {
string s = (string)ViewState["Target"];
if (s == null) {
return String.Empty;
}
return s;
}
set {
ViewState["Target"] = value;
}
}
[
DefaultValue(""),
TypeConverter("System.Web.UI.Design.DataSourceViewSchemaConverter, " + AssemblyRef.SystemDesign),
WebCategory("Databindings"),
WebSysDescription(SR.TreeNodeBinding_TargetField),
]
public string TargetField {
get {
string s = (string)ViewState["TargetField"];
if (s == null) {
return String.Empty;
}
else {
return s;
}
}
set {
ViewState["TargetField"] = value;
}
}
/// <devdoc>
/// Gets and sets the display text
/// </devdoc>
[DefaultValue("")]
[Localizable(true)]
[WebCategory("DefaultProperties")]
[WebSysDescription(SR.TreeNodeBinding_Text)]
public string Text {
get {
string s = (string)ViewState["Text"];
if (s == null) {
s = (string)ViewState["Value"];
if (s == null) {
return String.Empty;
}
}
return s;
}
set {
ViewState["Text"] = value;
}
}
/// <devdoc>
/// Get and sets the fieldname to use for the Text property in a TreeNode
/// </devdoc>
[
DefaultValue(""),
TypeConverter("System.Web.UI.Design.DataSourceViewSchemaConverter, " + AssemblyRef.SystemDesign),
WebCategory("Databindings"),
WebSysDescription(SR.TreeNodeBinding_TextField),
]
public string TextField {
get {
string s = (string)ViewState["TextField"];
if (s == null) {
return String.Empty;
}
else {
return s;
}
}
set {
ViewState["TextField"] = value;
}
}
/// <devdoc>
/// Gets and sets the TreeNodeBinding tooltip
/// </devdoc>
[DefaultValue("")]
[Localizable(true)]
[WebCategory("DefaultProperties")]
[WebSysDescription(SR.TreeNodeBinding_ToolTip)]
public string ToolTip {
get {
string s = (string)ViewState["ToolTip"];
if (s == null) {
return String.Empty;
}
return s;
}
set {
ViewState["ToolTip"] = value;
}
}
/// <devdoc>
/// Get and sets the fieldname to use for the ToolTip property in a TreeNode
/// </devdoc>
[
DefaultValue(""),
TypeConverter("System.Web.UI.Design.DataSourceViewSchemaConverter, " + AssemblyRef.SystemDesign),
WebCategory("Databindings"),
WebSysDescription(SR.TreeNodeBinding_ToolTipField),
]
public string ToolTipField {
get {
string s = (string)ViewState["ToolTipField"];
if (s == null) {
return String.Empty;
}
else {
return s;
}
}
set {
ViewState["ToolTipField"] = value;
}
}
/// <devdoc>
/// Gets and sets the value
/// </devdoc>
[DefaultValue("")]
[Localizable(true)]
[WebCategory("DefaultProperties")]
[WebSysDescription(SR.TreeNodeBinding_Value)]
public string Value {
get {
string s = (string)ViewState["Value"];
if (s == null) {
s = (string)ViewState["Text"];
if (s == null) {
return String.Empty;
}
}
return s;
}
set {
ViewState["Value"] = value;
}
}
/// <devdoc>
/// Get and sets the fieldname to use for the Value property in a TreeNode
/// </devdoc>
[
DefaultValue(""),
TypeConverter("System.Web.UI.Design.DataSourceViewSchemaConverter, " + AssemblyRef.SystemDesign),
WebCategory("Databindings"),
WebSysDescription(SR.TreeNodeBinding_ValueField),
]
public string ValueField {
get {
string s = (string)ViewState["ValueField"];
if (s == null) {
return String.Empty;
}
else {
return s;
}
}
set {
ViewState["ValueField"] = value;
}
}
/// <devdoc>
/// The state for this TreeNodeBinding
/// </devdoc>
private StateBag ViewState {
get {
if (_viewState == null) {
_viewState = new StateBag();
if (_isTrackingViewState) {
((IStateManager)_viewState).TrackViewState();
}
}
return _viewState;
}
}
internal void SetDirty() {
ViewState.SetDirty(true);
}
public override string ToString() {
return (String.IsNullOrEmpty(DataMember) ?
SR.GetString(SR.TreeNodeBinding_EmptyBindingText) :
DataMember);
}
#region ICloneable implemention
/// <internalonly/>
/// <devdoc>
/// Creates a clone of the TreeNodeBinding.
/// </devdoc>
object ICloneable.Clone() {
TreeNodeBinding clone = new TreeNodeBinding();
clone.DataMember = DataMember;
clone.Depth = Depth;
clone.FormatString = FormatString;
clone.ImageToolTip = ImageToolTip;
clone.ImageToolTipField = ImageToolTipField;
clone.ImageUrl = ImageUrl;
clone.ImageUrlField = ImageUrlField;
clone.NavigateUrl = NavigateUrl;
clone.NavigateUrlField = NavigateUrlField;
clone.PopulateOnDemand = PopulateOnDemand;
clone.SelectAction = SelectAction;
clone.ShowCheckBox = ShowCheckBox;
clone.Target = Target;
clone.TargetField = TargetField;
clone.Text = Text;
clone.TextField = TextField;
clone.ToolTip = ToolTip;
clone.ToolTipField = ToolTipField;
clone.Value = Value;
clone.ValueField = ValueField;
return clone;
}
#endregion
#region IStateManager implementation
/// <internalonly/>
bool IStateManager.IsTrackingViewState {
get {
return _isTrackingViewState;
}
}
/// <internalonly/>
void IStateManager.LoadViewState(object state) {
if (state != null) {
((IStateManager)ViewState).LoadViewState(state);
}
}
/// <internalonly/>
object IStateManager.SaveViewState() {
if (_viewState != null) {
return ((IStateManager)_viewState).SaveViewState();
}
return null;
}
/// <internalonly/>
void IStateManager.TrackViewState() {
_isTrackingViewState = true;
if (_viewState != null) {
((IStateManager)_viewState).TrackViewState();
}
}
#endregion
#region IDataSourceViewSchemaAccessor implementation
/// <internalonly/>
object IDataSourceViewSchemaAccessor.DataSourceViewSchema {
get {
return ViewState["IDataSourceViewSchemaAccessor.DataSourceViewSchema"];
}
set {
ViewState["IDataSourceViewSchemaAccessor.DataSourceViewSchema"] = value;
}
}
#endregion
}
}
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