//------------------------------------------------------
//
// Public Methods
//
//------------------------------------------------------
/// <summary>
/// Return the group name(s) for the given item
/// </summary>
public override object GroupNameFromItem(object item, int level, CultureInfo culture)
{
object value;
object xmlValue;
// get the property value
if (String.IsNullOrEmpty(PropertyName))
{
value = item;
}
else if (SystemXmlHelper.TryGetValueFromXmlNode(item, PropertyName, out xmlValue))
{
value = xmlValue;
}
else if (item != null)
{
using (_propertyPath.SetContext(item))
{
value = _propertyPath.GetValue();
}
}
else
{
value = null;
}
// apply the converter to the value
if (Converter != null)
{
value = Converter.Convert(value, typeof(object), level, culture);
}
return(value);
}
/// <summary>
/// Override this method to return an app specific <seealso cref="DataTemplate"/>.
/// </summary>
/// <param name="item">The data content</param>
/// <param name="container">The container in which the content is to be displayed</param>
/// <returns>a app specific template to apply.</returns>
public override DataTemplate SelectTemplate(object item, DependencyObject container)
{
if (SystemXmlHelper.IsXmlNode(item))
{
if (_xmlNodeContentTemplate == null)
{
_xmlNodeContentTemplate = new DataTemplate();
FrameworkElementFactory text = ContentPresenter.CreateTextBlockFactory();
Binding binding = new Binding();
binding.XPath = _displayMemberPath;
binding.StringFormat = _stringFormat;
text.SetBinding(TextBlock.TextProperty, binding);
_xmlNodeContentTemplate.VisualTree = text;
_xmlNodeContentTemplate.Seal();
}
return(_xmlNodeContentTemplate);
}
else
{
if (_clrNodeContentTemplate == null)
{
_clrNodeContentTemplate = new DataTemplate();
FrameworkElementFactory text = ContentPresenter.CreateTextBlockFactory();
Binding binding = new Binding();
binding.Path = new PropertyPath(_displayMemberPath);
binding.StringFormat = _stringFormat;
text.SetBinding(TextBlock.TextProperty, binding);
_clrNodeContentTemplate.VisualTree = text;
_clrNodeContentTemplate.Seal();
}
return(_clrNodeContentTemplate);
}
}
// Token: 0x06004412 RID: 17426 RVA: 0x00136610 File Offset: 0x00134810
internal static object DataTypeForItem(object item, DependencyObject target, out Type type)
{
if (item == null)
{
type = null;
return(null);
}
type = ReflectionHelper.GetReflectionType(item);
object result;
if (SystemXmlLinqHelper.IsXElement(item))
{
result = SystemXmlLinqHelper.GetXElementTagName(item);
type = null;
}
else if (SystemXmlHelper.IsXmlNode(item))
{
result = SystemXmlHelper.GetXmlTagName(item, target);
type = null;
}
else if (type == typeof(object))
{
result = null;
}
else
{
result = type;
}
return(result);
}
internal static object DataTypeForItem(object item, DependencyObject target, out Type type)
{
if (item == null)
{
type = null;
return(null);
}
object dataType;
type = ReflectionHelper.GetReflectionType(item);
if (SystemXmlLinqHelper.IsXElement(item))
{
dataType = SystemXmlLinqHelper.GetXElementTagName(item);
type = null;
}
else if (SystemXmlHelper.IsXmlNode(item))
{
dataType = SystemXmlHelper.GetXmlTagName(item, target);
type = null;
}
else if (type == typeof(Object))
{
dataType = null; // don't search for Object - perf
}
else
{
dataType = type;
}
return(dataType);
}
// Token: 0x06007505 RID: 29957 RVA: 0x002177D4 File Offset: 0x002159D4
public override DataTemplate SelectTemplate(object item, DependencyObject container)
{
if (SystemXmlHelper.IsXmlNode(item))
{
if (this._xmlNodeContentTemplate == null)
{
this._xmlNodeContentTemplate = new DataTemplate();
FrameworkElementFactory frameworkElementFactory = ContentPresenter.CreateTextBlockFactory();
Binding binding = new Binding();
binding.XPath = this._displayMemberPath;
binding.StringFormat = this._stringFormat;
frameworkElementFactory.SetBinding(TextBlock.TextProperty, binding);
this._xmlNodeContentTemplate.VisualTree = frameworkElementFactory;
this._xmlNodeContentTemplate.Seal();
}
return(this._xmlNodeContentTemplate);
}
if (this._clrNodeContentTemplate == null)
{
this._clrNodeContentTemplate = new DataTemplate();
FrameworkElementFactory frameworkElementFactory2 = ContentPresenter.CreateTextBlockFactory();
Binding binding2 = new Binding();
binding2.Path = new PropertyPath(this._displayMemberPath, new object[0]);
binding2.StringFormat = this._stringFormat;
frameworkElementFactory2.SetBinding(TextBlock.TextProperty, binding2);
this._clrNodeContentTemplate.VisualTree = frameworkElementFactory2;
this._clrNodeContentTemplate.Seal();
}
return(this._clrNodeContentTemplate);
}
/// <summary>Returns the group name(s) for the given item. </summary>
/// <param name="item">The item to return group names for.</param>
/// <param name="level">The level of grouping.</param>
/// <param name="culture">The <see cref="T:System.Globalization.CultureInfo" /> to supply to the converter.</param>
/// <returns>The group name(s) for the given item.</returns>
// Token: 0x06001C95 RID: 7317 RVA: 0x0008632C File Offset: 0x0008452C
public override object GroupNameFromItem(object item, int level, CultureInfo culture)
{
object obj;
object obj2;
if (string.IsNullOrEmpty(this.PropertyName))
{
obj = item;
}
else if (SystemXmlHelper.TryGetValueFromXmlNode(item, this.PropertyName, out obj2))
{
obj = obj2;
}
else
{
if (item != null)
{
using (this._propertyPath.SetContext(item))
{
obj = this._propertyPath.GetValue();
goto IL_4F;
}
}
obj = null;
}
IL_4F:
if (this.Converter != null)
{
obj = this.Converter.Convert(obj, typeof(object), level, culture);
}
return(obj);
}
internal void SetBinding(string path, DependencyProperty dp, bool oneTime = false, bool enableXT = false)
{
if (enableXT && oneTime)
{
enableXT = false;
}
if (!LookupEntry(dp.GlobalIndex).Found)
{
if (!String.IsNullOrEmpty(path))
{
Binding binding;
if (SystemXmlHelper.IsXmlNode(_item))
{
binding = new Binding();
binding.XPath = path;
}
else
{
binding = new Binding(path);
}
binding.Source = _item;
if (oneTime)
{
binding.Mode = BindingMode.OneTime;
}
//BindingExpressionBase beb = BindingOperations.SetBinding(this, dp, binding);
// we need to set the cross-thread flag before the binding is
// attached, in case the source raises PropertyChanged events
// right away. So don't call BO.SetBinding, but imitate its effect
BindingExpressionBase beb = binding.CreateBindingExpression(this, dp);
if (enableXT)
{
beb.TargetWantsCrossThreadNotifications = true;
}
this.SetValue(dp, beb);
}
else if (!oneTime)
{
// when the path is empty, react to any property change
INotifyPropertyChanged inpc = Item as INotifyPropertyChanged;
if (inpc != null)
{
PropertyChangedEventManager.AddHandler(inpc, OnPropertyChanged, String.Empty);
}
}
}
}
// Token: 0x060057FE RID: 22526 RVA: 0x00186080 File Offset: 0x00184280
private static BindingExpression CreateBindingExpression(ItemsControl itemsControl, object item, string primaryTextPath)
{
Binding binding = new Binding();
if (SystemXmlHelper.IsXmlNode(item))
{
binding.XPath = primaryTextPath;
binding.Path = new PropertyPath("/InnerText", new object[0]);
}
else
{
binding.Path = new PropertyPath(primaryTextPath, new object[0]);
}
binding.Mode = BindingMode.OneWay;
binding.Source = null;
return((BindingExpression)BindingExpressionBase.CreateUntargetedBindingExpression(itemsControl, binding));
}
/// <summary>
/// Override this method to return an app specific <seealso cref="Template"/>.
/// </summary>
/// <param name="item">The data content</param>
/// <param name="container">The container in which the content is to be displayed</param>
/// <returns>a app specific template to apply.</returns>
public override DataTemplate SelectTemplate(object item, DependencyObject container)
{
DataTemplate template = null;
// Lookup template for typeof(Content) in resource dictionaries.
if (item != null)
{
template = (DataTemplate)FrameworkElement.FindTemplateResourceInternal(container, item, typeof(DataTemplate));
}
// default templates for well known types:
if (template == null)
{
TypeConverter tc = null;
string s;
if ((s = item as string) != null)
{
template = ((ContentPresenter)container).SelectTemplateForString(s);
}
else if (item is UIElement)
{
template = UIElementContentTemplate;
}
else if (SystemXmlHelper.IsXmlNode(item))
{
template = ((ContentPresenter)container).SelectTemplateForXML();
}
else if (item is Inline)
{
template = DefaultContentTemplate;
}
else if (item != null &&
(tc = TypeDescriptor.GetConverter(ReflectionHelper.GetReflectionType(item))) != null &&
tc.CanConvertTo(typeof(UIElement)))
{
template = UIElementContentTemplate;
}
else
{
template = DefaultContentTemplate;
}
}
return(template);
}
private BindingExpression PrepareSelectedValuePathBindingExpression(object item)
{
if (item == null)
{
return(null);
}
Binding binding;
bool useXml = SystemXmlHelper.IsXmlNode(item);
BindingExpression bindingExpr = SelectedValuePathBindingExpression.GetValue(this);
// replace existing binding if it's the wrong kind
if (bindingExpr != null)
{
binding = bindingExpr.ParentBinding;
bool usesXml = (binding.XPath != null);
if (usesXml != useXml)
{
bindingExpr = null;
}
}
if (bindingExpr == null)
{
// create the binding
binding = new Binding();
binding.Source = item;
if (useXml)
{
binding.XPath = SelectedValuePath;
binding.Path = new PropertyPath("/InnerText");
}
else
{
binding.Path = new PropertyPath(SelectedValuePath);
}
bindingExpr = (BindingExpression)BindingExpression.CreateUntargetedBindingExpression(this, binding);
SelectedValuePathBindingExpression.SetValue(this, bindingExpr);
}
return(bindingExpr);
}
internal void SetBinding(string path, DependencyProperty dp, bool oneTime = false, bool enableXT = false)
{
if (enableXT && oneTime)
{
enableXT = false;
}
if (!LookupEntry(dp.GlobalIndex).Found)
{
if (!String.IsNullOrEmpty(path))
{
Binding binding;
if (SystemXmlHelper.IsXmlNode(_item))
{
binding = new Binding();
binding.XPath = path;
}
else
{
binding = new Binding(path);
}
binding.Source = _item;
if (oneTime)
{
binding.Mode = BindingMode.OneTime;
}
BindingExpressionBase beb = BindingOperations.SetBinding(this, dp, binding);
if (enableXT)
{
beb.TargetWantsCrossThreadNotifications = true;
}
}
else if (!oneTime)
{
// when the path is empty, react to any property change
INotifyPropertyChanged inpc = Item as INotifyPropertyChanged;
if (inpc != null)
{
PropertyChangedEventManager.AddHandler(inpc, OnPropertyChanged, String.Empty);
}
}
}
}
private static BindingExpression CreateBindingExpression(ItemsControl itemsControl, object item, string primaryTextPath)
{
Binding binding = new Binding();
// Use xpath for xmlnodes (See Selector.PrepareItemValueBinding)
if (SystemXmlHelper.IsXmlNode(item))
{
binding.XPath = primaryTextPath;
binding.Path = new PropertyPath("/InnerText");
}
else
{
binding.Path = new PropertyPath(primaryTextPath);
}
binding.Mode = BindingMode.OneWay;
binding.Source = null;
return((BindingExpression)BindingExpression.CreateUntargetedBindingExpression(itemsControl, binding));
}
// Token: 0x0600759C RID: 30108 RVA: 0x00219438 File Offset: 0x00217638
internal void SetBinding(string path, DependencyProperty dp, bool oneTime = false, bool enableXT = false)
{
if (enableXT && oneTime)
{
enableXT = false;
}
if (!base.LookupEntry(dp.GlobalIndex).Found)
{
if (!string.IsNullOrEmpty(path))
{
Binding binding;
if (SystemXmlHelper.IsXmlNode(this._item))
{
binding = new Binding();
binding.XPath = path;
}
else
{
binding = new Binding(path);
}
binding.Source = this._item;
if (oneTime)
{
binding.Mode = BindingMode.OneTime;
}
BindingExpressionBase bindingExpressionBase = binding.CreateBindingExpression(this, dp);
if (enableXT)
{
bindingExpressionBase.TargetWantsCrossThreadNotifications = true;
}
base.SetValue(dp, bindingExpressionBase);
return;
}
if (!oneTime)
{
INotifyPropertyChanged notifyPropertyChanged = this.Item as INotifyPropertyChanged;
if (notifyPropertyChanged != null)
{
PropertyChangedEventManager.AddHandler(notifyPropertyChanged, new EventHandler <PropertyChangedEventArgs>(this.OnPropertyChanged), string.Empty);
}
}
}
}
// Token: 0x06008730 RID: 34608 RVA: 0x0024F2AC File Offset: 0x0024D4AC
public override DataTemplate SelectTemplate(object item, DependencyObject container)
{
DataTemplate dataTemplate = null;
if (item != null)
{
dataTemplate = (DataTemplate)FrameworkElement.FindTemplateResourceInternal(container, item, typeof(DataTemplate));
}
if (dataTemplate == null)
{
string s;
TypeConverter converter;
if ((s = (item as string)) != null)
{
dataTemplate = ((ContentPresenter)container).SelectTemplateForString(s);
}
else if (item is UIElement)
{
dataTemplate = ContentPresenter.UIElementContentTemplate;
}
else if (SystemXmlHelper.IsXmlNode(item))
{
dataTemplate = ((ContentPresenter)container).SelectTemplateForXML();
}
else if (item is Inline)
{
dataTemplate = ContentPresenter.DefaultContentTemplate;
}
else if (item != null && (converter = TypeDescriptor.GetConverter(ReflectionHelper.GetReflectionType(item))) != null && converter.CanConvertTo(typeof(UIElement)))
{
dataTemplate = ContentPresenter.UIElementContentTemplate;
}
else
{
dataTemplate = ContentPresenter.DefaultContentTemplate;
}
}
return(dataTemplate);
}
// Token: 0x060058D9 RID: 22745 RVA: 0x0018931C File Offset: 0x0018751C
private BindingExpression PrepareSelectedValuePathBindingExpression(object item)
{
if (item == null)
{
return(null);
}
bool flag = SystemXmlHelper.IsXmlNode(item);
BindingExpression bindingExpression = TreeView.SelectedValuePathBindingExpression.GetValue(this);
if (bindingExpression != null)
{
Binding binding = bindingExpression.ParentBinding;
bool flag2 = binding.XPath != null;
if (flag2 != flag)
{
bindingExpression = null;
}
}
if (bindingExpression == null)
{
Binding binding = new Binding();
binding.Source = null;
if (flag)
{
binding.XPath = this.SelectedValuePath;
binding.Path = new PropertyPath("/InnerText", new object[0]);
}
else
{
binding.Path = new PropertyPath(this.SelectedValuePath, new object[0]);
}
bindingExpression = (BindingExpression)BindingExpressionBase.CreateUntargetedBindingExpression(this, binding);
TreeView.SelectedValuePathBindingExpression.SetValue(this, bindingExpression);
}
return(bindingExpression);
}
/// <summary>
/// Searches through the given itemCollection for the first item matching the given prefix.
/// </summary>
/// <remarks>
/// --------------------------------------------------------------------------
/// Incremental Type Search algorithm
/// --------------------------------------------------------------------------
///
/// Given a prefix and new character, we loop through all items in the collection
/// and look for an item that starts with the new prefix. If we find such an item,
/// select it. If the new character is repeated, we look for the next item after
/// the current one that begins with the old prefix**. We can optimize by
/// performing both of these searches in parallel.
///
/// **NOTE: Win32 will only do this if the old prefix is of length 1 - in other
/// words, first-character-only matching. The algorithm described here
/// is an extension of ITS as implemented in Win32. This variant was
/// described to me by JeffBog as what was done in AFC - but I have yet
/// to find a listbox which behaves this way.
///
/// --------------------------------------------------------------------------
/// </remarks>
/// <returns>Item that matches the given prefix</returns>
private static int FindMatchingPrefix(ItemsControl itemsControl, string primaryTextPath, string prefix,
string newChar, int startItemIndex, bool lookForFallbackMatchToo, ref bool wasNewCharUsed)
{
ItemCollection itemCollection = itemsControl.Items;
// Using indices b/c this is a better way to uniquely
// identify an element in the collection.
int matchedItemIndex = -1;
int fallbackMatchIndex = -1;
int count = itemCollection.Count;
// Return immediately with no match if there were no items in the view.
if (count == 0)
{
return(-1);
}
string newPrefix = prefix + newChar;
// With an empty prefix, we'd match anything
if (String.IsNullOrEmpty(newPrefix))
{
return(-1);
}
// Hook up the binding we will apply to each object. Get the
// PrimaryTextPath off of the attached instance and then make
// a binding with that path.
BindingExpression primaryTextBinding = null;
object item0 = itemsControl.Items[0];
bool useXml = SystemXmlHelper.IsXmlNode(item0);
if (useXml || !String.IsNullOrEmpty(primaryTextPath))
{
primaryTextBinding = CreateBindingExpression(itemsControl, item0, primaryTextPath);
TextValueBindingExpression.SetValue(itemsControl, primaryTextBinding);
}
bool firstItem = true;
wasNewCharUsed = false;
CultureInfo cultureInfo = GetCulture(itemsControl);
// ISSUE: what about changing the collection while this is running?
for (int currentIndex = startItemIndex; currentIndex < count;)
{
object item = itemCollection[currentIndex];
if (item != null)
{
string itemString = GetPrimaryText(item, primaryTextBinding, itemsControl);
bool isTextSearchCaseSensitive = itemsControl.IsTextSearchCaseSensitive;
// See if the current item matches the newPrefix, if so we can
// stop searching and accept this item as the match.
if (itemString != null && itemString.StartsWith(newPrefix, !isTextSearchCaseSensitive, cultureInfo))
{
// Accept the new prefix as the current prefix.
wasNewCharUsed = true;
matchedItemIndex = currentIndex;
break;
}
// Find the next string that matches the last prefix. This
// string will be used in the case that the new prefix isn't
// matched. This enables pressing the last character multiple
// times and cylcing through the set of items that match that
// prefix.
//
// Unlike the above search, this search must start *after*
// the currently selected item. This search also shouldn't
// happen if there was no previous prefix to match against
if (lookForFallbackMatchToo)
{
if (!firstItem && prefix != String.Empty)
{
if (itemString != null)
{
if (fallbackMatchIndex == -1 && itemString.StartsWith(prefix, !isTextSearchCaseSensitive, cultureInfo))
{
fallbackMatchIndex = currentIndex;
}
}
}
else
{
firstItem = false;
}
}
}
// Move next and wrap-around if we pass the end of the container.
currentIndex++;
if (currentIndex >= count)
{
currentIndex = 0;
}
// Stop where we started but only after the first pass
// through the loop -- we should process the startItem.
if (currentIndex == startItemIndex)
{
break;
}
}
if (primaryTextBinding != null)
{
// Clean up the binding for the primary text path.
TextValueBindingExpression.ClearValue(itemsControl);
}
// In the case that the new prefix didn't match anything and
// there was a fallback match that matched the old prefix, move
// to that one.
if (matchedItemIndex == -1 && fallbackMatchIndex != -1)
{
matchedItemIndex = fallbackMatchIndex;
}
return(matchedItemIndex);
}
private static bool IsValidXmlNamespaceManager(object value)
{
return((value == null) || SystemXmlHelper.IsXmlNamespaceManager(value));
}
// Token: 0x060057F6 RID: 22518 RVA: 0x00185D48 File Offset: 0x00183F48
private static int FindMatchingPrefix(ItemsControl itemsControl, string primaryTextPath, string prefix, string newChar, int startItemIndex, bool lookForFallbackMatchToo, ref bool wasNewCharUsed)
{
ItemCollection items = itemsControl.Items;
int num = -1;
int num2 = -1;
int count = items.Count;
if (count == 0)
{
return(-1);
}
string value = prefix + newChar;
if (string.IsNullOrEmpty(value))
{
return(-1);
}
BindingExpression bindingExpression = null;
object item = itemsControl.Items[0];
if (SystemXmlHelper.IsXmlNode(item) || !string.IsNullOrEmpty(primaryTextPath))
{
bindingExpression = TextSearch.CreateBindingExpression(itemsControl, item, primaryTextPath);
TextSearch.TextValueBindingExpression.SetValue(itemsControl, bindingExpression);
}
bool flag = true;
wasNewCharUsed = false;
CultureInfo culture = TextSearch.GetCulture(itemsControl);
int i = startItemIndex;
while (i < count)
{
object obj = items[i];
if (obj != null)
{
string primaryText = TextSearch.GetPrimaryText(obj, bindingExpression, itemsControl);
bool isTextSearchCaseSensitive = itemsControl.IsTextSearchCaseSensitive;
if (primaryText != null && primaryText.StartsWith(value, !isTextSearchCaseSensitive, culture))
{
wasNewCharUsed = true;
num = i;
break;
}
if (lookForFallbackMatchToo)
{
if (!flag && prefix != string.Empty)
{
if (primaryText != null && num2 == -1 && primaryText.StartsWith(prefix, !isTextSearchCaseSensitive, culture))
{
num2 = i;
}
}
else
{
flag = false;
}
}
}
i++;
if (i >= count)
{
i = 0;
}
if (i == startItemIndex)
{
break;
}
}
if (bindingExpression != null)
{
TextSearch.TextValueBindingExpression.ClearValue(itemsControl);
}
if (num == -1 && num2 != -1)
{
num = num2;
}
return(num);
}
