コード例 #1
0
        public override INotificationResult Notify(IList <INotificationResult> sources)
        {
            var added   = new List <TSource>();
            var removed = new List <TSource>();
            var moved   = new List <TSource>();

            foreach (ICollectionChangedNotificationResult change in sources)
            {
                if (change.IsReset)
                {
                    OnCleared();
                    return(new CollectionChangedNotificationResult <TSource>(this));
                }

                if (change.AddedItems != null)
                {
                    added.AddRange(SL.Cast <TSource>(change.AddedItems));
                }
                if (change.RemovedItems != null)
                {
                    removed.AddRange(SL.Cast <TSource>(change.RemovedItems));
                }
                if (change.MovedItems != null)
                {
                    moved.AddRange(SL.Cast <TSource>(change.MovedItems));
                }
            }

            RaiseEvents(added, removed, moved);
            return(new CollectionChangedNotificationResult <TSource>(this, added, removed, moved));
        }
コード例 #2
0
ファイル: ObservableConcat.cs プロジェクト: wasowski/NMF
        public override INotificationResult Notify(IList <INotificationResult> sources)
        {
            var notification = CollectionChangedNotificationResult <TSource> .Create(this);

            var added   = notification.AddedItems;
            var removed = notification.RemovedItems;
            var moved   = notification.MovedItems;

            foreach (ICollectionChangedNotificationResult change in sources)
            {
                if (change.IsReset)
                {
                    OnCleared();
                    notification.TurnIntoReset();
                    return(notification);
                }

                var offset = change.Source == source ? 0 : SL.Count(source);
                if (change.AddedItems != null)
                {
                    added.AddRange(SL.Cast <TSource>(change.AddedItems));
                    if (change.NewItemsStartIndex != -1)
                    {
                        notification.UpdateNewStartIndex(offset + change.NewItemsStartIndex);
                    }
                }
                if (change.RemovedItems != null)
                {
                    removed.AddRange(SL.Cast <TSource>(change.RemovedItems));
                    if (change.OldItemsStartIndex != -1)
                    {
                        notification.UpdateOldStartIndex(offset + change.OldItemsStartIndex);
                    }
                }
                if (change.MovedItems != null)
                {
                    moved.AddRange(SL.Cast <TSource>(change.MovedItems));
                    if (change.NewItemsStartIndex != -1)
                    {
                        notification.UpdateNewStartIndex(offset + change.NewItemsStartIndex);
                    }
                    if (change.OldItemsStartIndex != -1)
                    {
                        notification.UpdateOldStartIndex(offset + change.OldItemsStartIndex);
                    }
                }
            }

            RaiseEvents(added, removed, moved, notification.OldItemsStartIndex, notification.NewItemsStartIndex);
            return(notification);
        }
コード例 #3
0
        /// <summary>Finds the named method in the specifid type.</summary>
        /// <param name="type">Type to look in.</param>
        /// <param name="methodName">Name of method to look for.</param>
        /// <param name="args">Arguments to method.</param>
        /// <param name="method">Best method found.</param>
        /// <returns>Number of matching methods.</returns>
        private int FindMethod(Type type, string methodName, Expression[] args, out MethodBase method)
        {
            const BindingFlags Flags = BindingFlags.Public | BindingFlags.DeclaredOnly | BindingFlags.Static | BindingFlags.Instance;

            foreach (Type t in SelfAndBaseTypes(type))
            {
                MemberInfo[] members = t.FindMembers(MemberTypes.Method, Flags, Type.FilterName, methodName);
                int          count   = this.FindBestMethod(Enumerable.Cast <MethodBase>(members), args, out method);
                if (count != 0)
                {
                    return(count);
                }
            }

            method = null;
            return(0);
        }
コード例 #4
0
        //Note: currently the selected features are one select behind.
        //e.g on drawing the first region all the layers features are returned
        // on drawing the second region all the features matching the first region are returned etc..
        private void AttributeQueryHandler_End(object sender, MapActionHandlerEventArgs e)
        {
            IFeatureLayer l =
                Enumerable.FirstOrDefault(
                    Caster.Cast <IFeatureLayer>(
                        Processor.Where(Map.SelectedLayers, delegate(ILayer o) { return(o as IFeatureLayer != null); })));

            if (l != null)
            {
                FeatureDataView dv = new FeatureDataView(l.SelectedFeatures.Table);

                if (l.SelectedFeatures.AttributeFilter != null)
                {
                    dv.AttributeFilter =
                        (AttributeBinaryExpression)
                        l.SelectedFeatures.AttributeFilter.Clone();
                }

                if (l.SelectedFeatures.SpatialFilter != null)
                {
                    dv.SpatialFilter =
                        (SpatialBinaryExpression)
                        l.SelectedFeatures.SpatialFilter.Clone();
                }

                if (l.SelectedFeatures.OidFilter != null)
                {
                    dv.OidFilter =
                        (OidCollectionExpression)
                        l.SelectedFeatures.OidFilter.Clone();
                }

                if (l.SelectedFeatures.ViewDefinition != null)
                {
                    dv.ViewDefinition =
                        (FeatureQueryExpression)
                        l.SelectedFeatures.ViewDefinition.Clone();
                }


                QueryResultsTab tab = new QueryResultsTab(l.LayerName, dv);
                resultsTabControl.TabPages.Insert(0, tab);
                resultsTabControl.SelectedTab = tab;
            }
        }
コード例 #5
0
        private Boolean inOidFilter(FeatureDataRow feature)
        {
            if (!feature.HasOid)
            {
                return(false);
            }

            if (_viewDefinition == null || _viewDefinition.OidPredicate == null)
            {
                return(true);
            }

            // NOTE: This will get to be a performance problem due to the
            // poor structuring of the OID values. Consider creating a local,
            // sorted index where a binary search can be performed.
            IEnumerable oids = _viewDefinition.OidPredicate.OidValues;

            Int32 count = 0;

            if (Enumerable.FirstOrDefault(Caster.Cast <object>(oids)) == null) //jd:added explicit type param to allow compiliation in net3.5
            {
                return(true);
            }

            Object featureOid = feature.GetOid();

            Debug.Assert(featureOid != null);

            foreach (Object oid in oids)
            {
                if (featureOid.Equals(oid))
                {
                    return(true);
                }
            }

            return(false);
        }
コード例 #6
0
ファイル: ReflectionHelper.cs プロジェクト: mmvlad/ecs
        public static System.Reflection.MemberInfo[] GetCachedFields(this System.Type type,
                                                                     System.Reflection.BindingFlags flags =
                                                                     System.Reflection.BindingFlags.Instance |
                                                                     System.Reflection.BindingFlags.Public |
                                                                     System.Reflection.BindingFlags.NonPublic)
        {
            if (ReflectionHelper.fieldInfoCache.TryGetValue(type, out var fieldInfos) == false)
            {
                var fieldInfosArr = Enumerable.Cast <System.Reflection.MemberInfo>(Enumerable.Where(type.GetAllFields(flags), f =>
                                                                                                    f.IsPublic == true ||
                                                                                                    Enumerable.Any(f.CustomAttributes, a => a.AttributeType == typeof(ME.ECS.Serializer.SerializeFieldAttribute)) == true));
                fieldInfosArr = Enumerable.Union(fieldInfosArr, Enumerable.Where(type.GetAllProperties(flags), f =>
                                                                                 f.CanRead == true &&
                                                                                 f.CanWrite == true &&
                                                                                 Enumerable.Any(f.CustomAttributes, a => a.AttributeType == typeof(ME.ECS.Serializer.SerializeFieldAttribute))
                                                                                 )
                                                 );

                fieldInfos = Enumerable.ToArray(Enumerable.OrderBy(fieldInfosArr, x => x.Name));
                ReflectionHelper.fieldInfoCache.Add(type, fieldInfos);
            }

            return(fieldInfos);
        }
コード例 #7
0
ファイル: ObservableThenBy.cs プロジェクト: mlessmann/NMF
        private void SequenceChanged(object sender, NotifyCollectionChangedEventArgs e)
        {
            SortedDictionary <TKey, ObservableCollection <TItem> > searchTree;

            if (searchTrees.TryGetValue(sender as IEnumerable <TItem>, out searchTree))
            {
                if (e.OldItems != null)
                {
                    foreach (TItem item in e.OldItems)
                    {
                        DetachItem(searchTree, item);
                    }
                    OnRemoveItems(SL.Cast <TItem>(e.OldItems));
                }
                if (e.NewItems != null)
                {
                    foreach (TItem item in e.NewItems)
                    {
                        AttachItem(searchTree, item);
                    }
                    OnAddItems(SL.Cast <TItem>(e.NewItems));
                }
            }
        }
コード例 #8
0
 public override bool Contains(TTarget item)
 {
     return(SL.Contains(SL.Cast <TTarget>(source), item));
 }
コード例 #9
0
 public override IEnumerator <TTarget> GetEnumerator()
 {
     return(SL.Cast <TTarget>(source).GetEnumerator());
 }