DotNet 4.8.1 build of DotNetBar
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340
PROMS/DotNetBar Source Code/PropertyGrid/PropertyParser.cs
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340
PROMS/DotNetBar Source Code/PropertyGrid/PropertyParser.cs
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#if FRAMEWORK20
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.ComponentModel;
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using DevComponents.AdvTree;
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using System.Collections;
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namespace DevComponents.DotNetBar
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{
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internal class PropertyParser
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{
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private const string STR_Misc = "Misc.";
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#region Constructors
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private object _SelectedObject = null;
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private object[] _SelectedObjects = null;
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private TypeConverter _Converter = null;
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private Attribute[] _AttributeFilter = null;
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private PropertyNodeFactory _PropertyNodeFactory = null;
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private List<string> _IgnoredProperties = null;
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private List<string> _IgnoredCategories = null;
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private IPropertyGridLocalizer _Localizer = null;
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private PropertySettingsCollection _PropertySettings = null;
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private ITypeDescriptorContext _TypeDescriptorContext = null;
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/// <summary>
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/// Initializes a new instance of the PropertyParser class.
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/// </summary>
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/// <param name="selectedObject"></param>
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public PropertyParser(object selectedObject,
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Attribute[] attributeFilter,
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PropertyNodeFactory nodeFactory,
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List<string> ignoredProperties,
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List<string> ignoredCategories,
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IPropertyGridLocalizer localizer,
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PropertySettingsCollection propertySettings)
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{
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_SelectedObject = selectedObject;
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_AttributeFilter = attributeFilter;
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_PropertyNodeFactory = nodeFactory;
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_IgnoredProperties = ignoredProperties;
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_IgnoredCategories = ignoredCategories;
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_Localizer = localizer;
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_PropertySettings = propertySettings;
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}
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/// <summary>
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/// Initializes a new instance of the PropertyParser class.
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/// </summary>
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/// <param name="selectedObject"></param>
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public PropertyParser(
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ITypeDescriptorContext context,
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object selectedObject,
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Attribute[] attributeFilter,
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PropertyNodeFactory nodeFactory,
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List<string> ignoredProperties,
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List<string> ignoredCategories,
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IPropertyGridLocalizer localizer,
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PropertySettingsCollection propertySettings)
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{
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_TypeDescriptorContext = context;
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_SelectedObject = selectedObject;
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_AttributeFilter = attributeFilter;
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_PropertyNodeFactory = nodeFactory;
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_IgnoredProperties = ignoredProperties;
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_IgnoredCategories = ignoredCategories;
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_Localizer = localizer;
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_PropertySettings = propertySettings;
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}
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/// <summary>
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/// Initializes a new instance of the PropertyParser class.
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/// </summary>
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/// <param name="selectedObject"></param>
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public PropertyParser(object[] selectedObjects,
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Attribute[] attributeFilter,
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PropertyNodeFactory nodeFactory,
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List<string> ignoredProperties,
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List<string> ignoredCategories,
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IPropertyGridLocalizer localizer,
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PropertySettingsCollection propertySettings)
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{
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_SelectedObjects = selectedObjects;
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_AttributeFilter = attributeFilter;
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_PropertyNodeFactory = nodeFactory;
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_IgnoredProperties = ignoredProperties;
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_IgnoredCategories = ignoredCategories;
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_Localizer = localizer;
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_PropertySettings = propertySettings;
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}
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/// <summary>
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/// Initializes a new instance of the PropertyParser class.
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/// </summary>
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/// <param name="selectedObject"></param>
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public PropertyParser(
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ITypeDescriptorContext context,
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object[] selectedObjects,
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Attribute[] attributeFilter,
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PropertyNodeFactory nodeFactory,
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List<string> ignoredProperties,
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List<string> ignoredCategories,
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IPropertyGridLocalizer localizer,
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PropertySettingsCollection propertySettings)
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{
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_TypeDescriptorContext = context;
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_SelectedObjects = selectedObjects;
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_AttributeFilter = attributeFilter;
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_PropertyNodeFactory = nodeFactory;
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_IgnoredProperties = ignoredProperties;
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_IgnoredCategories = ignoredCategories;
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_Localizer = localizer;
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_PropertySettings = propertySettings;
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}
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#endregion
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#region Internal Implementation
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internal void Parse(NodeCollection nodeCollection, ePropertySort propertySort, SuperTooltip helpTooltip)
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{
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PropertyDescriptorCollection propertyCollection = GetProperties();
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bool hasIgnoredProperties = _IgnoredProperties.Count > 0;
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bool hasIgnoredCategories = _IgnoredCategories.Count > 0;
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if (propertySort == ePropertySort.Categorized || propertySort == ePropertySort.CategorizedAlphabetical)
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{
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Dictionary<string, Node> table = new Dictionary<string, Node>();
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foreach (PropertyDescriptor item in propertyCollection)
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{
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if (item == null || hasIgnoredProperties && _IgnoredProperties.Contains(item.Name)) continue;
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string category = GetCategory(item);
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PropertySettings settings = _PropertySettings[item, item.Name];
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if (settings != null && settings.Category != null)
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category = settings.Category;
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if (hasIgnoredCategories && !string.IsNullOrEmpty(category) && _IgnoredCategories.Contains(category)) continue;
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Node categoryNode = null;
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if (!table.TryGetValue(category, out categoryNode))
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{
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categoryNode = _PropertyNodeFactory.CreateCategoryNode(category, _Localizer);
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nodeCollection.Add(categoryNode);
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table.Add(category, categoryNode);
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}
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PropertyNode node = _PropertyNodeFactory.CreatePropertyNode(item, _SelectedObject ?? _SelectedObjects, _Localizer, settings, _SelectedObjects != null);
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categoryNode.Nodes.Add(node);
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node.OnLoaded();
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if (_HelpType == ePropertyGridHelpType.SuperTooltip && helpTooltip != null)
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node.SetHelpTooltip(helpTooltip);
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node.UpdateDisplayedValue();
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}
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if (propertySort == ePropertySort.CategorizedAlphabetical)
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{
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foreach (Node item in table.Values)
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{
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item.Nodes.Sort();
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}
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nodeCollection.Sort();
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}
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}
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else
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{
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foreach (PropertyDescriptor item in propertyCollection)
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{
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if (item == null || _IgnoredProperties.Contains(item.Name)) continue;
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PropertyNode node = _PropertyNodeFactory.CreatePropertyNode(item, _SelectedObject ?? _SelectedObjects, _Localizer, _PropertySettings, _SelectedObjects != null);
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nodeCollection.Add(node);
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node.OnLoaded();
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if (_HelpType == ePropertyGridHelpType.SuperTooltip && helpTooltip != null)
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node.SetHelpTooltip(helpTooltip);
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node.UpdateDisplayedValue();
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}
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if (propertySort == ePropertySort.Alphabetical)
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nodeCollection.Sort();
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}
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}
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internal static bool GetReadOnlyAttribute(PropertyDescriptor item, object instance)
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{
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bool readOnly = TypeDescriptor.GetAttributes(instance).Contains(InheritanceAttribute.InheritedReadOnly);
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// if (item.Attributes[typeof(ReadOnlyAttribute)].Equals(ReadOnlyAttribute.Yes))
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if (TypeDescriptor.GetAttributes(instance).Contains(ReadOnlyAttribute.Yes))
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{
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readOnly |= true;
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}
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//if(_Converter!=null && _Converter)
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ReadOnlyAttribute readOnlyAttribute = item.Attributes[typeof(ReadOnlyAttribute)] as ReadOnlyAttribute;
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if (!readOnly && readOnlyAttribute != null && readOnlyAttribute.IsReadOnly && !readOnlyAttribute.IsDefaultAttribute())
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readOnly |= true;
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if (!readOnly)
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{
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readOnly = item.IsReadOnly;
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}
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//if (item.Attributes[typeof(ImmutableObjectAttribute)].Equals(ImmutableObjectAttribute.Yes))
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// readOnly |= true;
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return readOnly; // item.IsReadOnly;
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}
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private static CategoryAttribute _CategoryAttribute = new CategoryAttribute();
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private string GetCategory(PropertyDescriptor item)
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{
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string s = item.Category;
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if (!string.IsNullOrEmpty(s)) return s;
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CategoryAttribute cat = item.Attributes[_CategoryAttribute.GetType()] as CategoryAttribute;
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if (cat != null && !string.IsNullOrEmpty(cat.Category)) return cat.Category;
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return STR_Misc;
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}
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private TypeConverter GetConverter(object component)
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{
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if (_Converter != null && _SelectedObject != null) return _Converter;
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TypeConverter converter = TypeDescriptor.GetConverter(component);
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if(converter.GetPropertiesSupported())
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return converter;
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return null;
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}
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private PropertyDescriptorCollection GetProperties()
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{
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Attribute[] attributes = _AttributeFilter;
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if (_SelectedObject != null)
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{
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object component = _SelectedObject;
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return GetProperties(_TypeDescriptorContext, attributes, component, GetConverter(component));
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}
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int selectedObjectsCount = _SelectedObjects.Length;
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List<PropertyDescriptor> mergedProperties = new List<PropertyDescriptor>();
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List<PropertyDescriptorCollection> allProperties = new List<PropertyDescriptorCollection>(selectedObjectsCount);
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foreach (object selectedObject in _SelectedObjects)
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{
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allProperties.Add(GetProperties(_TypeDescriptorContext, attributes, selectedObject, GetConverter(selectedObject)));
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}
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PropertyDescriptorCollection col1 = allProperties[0];
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for (int i = 0; i < col1.Count; i++)
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{
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PropertyDescriptor propDesc = col1[i];
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bool mergable = propDesc.Attributes[typeof(MergablePropertyAttribute)].IsDefaultAttribute();
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if (!mergable) continue;
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int childPropertyOccurrenceCount = 1;
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for (int j = 1; j < allProperties.Count; j++)
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{
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PropertyDescriptorCollection col2 = allProperties[j];
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foreach (PropertyDescriptor propDesc2 in col2)
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{
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if (ArePropertiesSame(propDesc2, propDesc) && propDesc.Attributes[typeof(MergablePropertyAttribute)].IsDefaultAttribute())
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{
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childPropertyOccurrenceCount++;
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break;
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}
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}
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}
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if (childPropertyOccurrenceCount == selectedObjectsCount)
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{
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mergedProperties.Add(propDesc);
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}
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}
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return new PropertyDescriptorCollection(mergedProperties.ToArray());
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}
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private bool ArePropertiesSame(PropertyDescriptor propDesc2, PropertyDescriptor propDesc)
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{
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return propDesc2.Name == propDesc.Name && propDesc2.PropertyType == propDesc.PropertyType;
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}
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public static PropertyDescriptor GetProperty(string propertyName, object component, TypeConverter converter)
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{
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PropertyDescriptorCollection col = GetProperties(null, component, converter);
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foreach (PropertyDescriptor item in col)
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{
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if (item.Name == propertyName)
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return item;
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}
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return null;
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}
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public static PropertyDescriptorCollection GetProperties(Attribute[] attributes, object component, TypeConverter converter)
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{
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return GetProperties(null, attributes, component, converter);
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}
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public static PropertyDescriptorCollection GetProperties(ITypeDescriptorContext context, Attribute[] attributes, object component, TypeConverter converter)
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{
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if (component == null) return null;
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if (component is ICustomTypeDescriptor)
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{
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ICustomTypeDescriptor descriptor = (ICustomTypeDescriptor)component;
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if (attributes != null)
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return descriptor.GetProperties(attributes);
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return descriptor.GetProperties();
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}
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// Note that this assumes that converter supports GetProperties!
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if (converter != null)
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{
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return converter.GetProperties(context, component, attributes);
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}
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Type type = component.GetType();
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if (attributes != null)
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return TypeDescriptor.GetProperties(component, attributes);
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return TypeDescriptor.GetProperties(component);
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}
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private ePropertyGridHelpType _HelpType = ePropertyGridHelpType.HelpHidden;
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public ePropertyGridHelpType HelpType
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{
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get { return _HelpType; }
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set { _HelpType = value; }
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}
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public TypeConverter TypeConverter
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{
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get { return _Converter; }
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set { _Converter = value; }
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}
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#endregion
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}
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}
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#endif
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