public void DeleteElement(BaseElement el)
{
if ((el == null) || (el is ConnectorElement)) return;
//Delete link
if (el is BaseLinkElement)
{
var lnk = (BaseLinkElement) el;
DeleteLink(lnk);
return;
}
//Delete node
if (el is NodeElement)
{
var conn = ((NodeElement) el);
foreach (var elconn in conn.Connectors)
{
for (var i = elconn.Links.Count - 1; i>=0; i--)
{
var lnk = (BaseLinkElement) elconn.Links[i];
DeleteLink(lnk);
}
}
if (SelectedNodes.Contains(el))
SelectedNodes.Remove(el);
}
if (SelectedElements.Contains(el))
SelectedElements.Remove(el);
Elements.Remove(el);
OnAppearancePropertyChanged(new EventArgs());
}
/// <summary>
/// 删除选中元素
/// </summary>
/// <param name="element"></param>
private void SelectedElementRemove(UIElement element)
{
if (SelectedElements.Contains(element))
{
SelectedElements.Remove(element);
((IControlBase)element).SetUnFocus();
}
}
public void SelectElements(Rectangle selectionRectangle)
{
SelectedElements.EnabledCalc = false;
SelectedNodes.EnabledCalc = false;
// Add all "hitable" elements
foreach (BaseElement element in Elements)
{
if (!(element is IControllable))
{
continue;
}
var ctrl = ((IControllable)element).GetController();
if (!ctrl.HitTest(selectionRectangle))
{
continue;
}
if (!(element is ConnectorElement))
{
SelectedElements.Add(element);
}
if (element is NodeElement)
{
SelectedNodes.Add(element);
}
}
//if the seleciont isn't a expecific link, remove links
// without 2 elements in selection
if (SelectedElements.Count > 1)
{
foreach (BaseElement el in Elements)
{
var lnk = el as BaseLinkElement;
if (lnk == null)
{
continue;
}
if ((!SelectedElements.Contains(lnk.Connector1.ParentElement)) ||
(!SelectedElements.Contains(lnk.Connector2.ParentElement)))
{
SelectedElements.Remove(lnk);
}
}
}
SelectedElements.EnabledCalc = true;
SelectedNodes.EnabledCalc = true;
OnElementSelection(this, new ElementSelectionEventArgs(SelectedElements));
}
public void DeleteLink(BaseLinkElement lnk, bool callHandler = true)
{
if (lnk == null) return;
lnk.Connector1.RemoveLink(lnk);
lnk.Connector2.RemoveLink(lnk);
if (Elements.Contains(lnk))
Elements.Remove(lnk);
if (SelectedElements.Contains(lnk))
SelectedElements.Remove(lnk);
if (callHandler)
OnLinkRemoved(new ElementEventArgs(lnk));
OnAppearancePropertyChanged(new EventArgs());
}
private void InternalSelectedElements_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (SuppressNotificationsCounter > 0)
{
return;
}
try
{
SuppressNotifications();
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
case NotifyCollectionChangedAction.Remove:
case NotifyCollectionChangedAction.Replace:
if (e.OldItems != null)
{
foreach (var item in e.OldItems.Cast <FieldExposer <T_Item> >())
{
if (SelectedElements.Contains(item.InnerItem))
{
SelectedElements.Remove(item.InnerItem);
}
}
}
if (e.NewItems != null)
{
foreach (var item in e.NewItems.Cast <FieldExposer <T_Item> >())
{
if (!SelectedElements.Contains(item.InnerItem))
{
SelectedElements.Add(item.InnerItem);
}
}
}
break;
case NotifyCollectionChangedAction.Reset:
SelectedElements.Clear();
break;
}
}
finally
{
AllowNotifications();
}
}
private void Button_OnClick(UIElement sender)
{
ISelectable element = (sender as ISelectable);
if (element.GetStatus())
{
SelectedElements.Add(element);
}
else
{
SelectedElements.Remove(element);
}
if (SelectedCountChanded != null)
{
SelectedCountChanded(SelectedElements.Count);
}
}
public void DeleteLink(BaseLinkElement linkElement)
{
if (linkElement != null)
{
linkElement.Connector1.RemoveLink(linkElement);
linkElement.Connector2.RemoveLink(linkElement);
if (_elements.Contains(linkElement))
{
_elements.Remove(linkElement);
}
if (SelectedElements.Contains(linkElement))
{
SelectedElements.Remove(linkElement);
}
OnAppearancePropertyChanged(new EventArgs());
}
}
/// <summary>
/// Act when the source collection has been changed.
/// </summary>
/// <param name="sender">The sender of the event</param>
/// <param name="e">The kind of modification</param>
private void Source_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
switch (e.Action)
{
case System.Collections.Specialized.NotifyCollectionChangedAction.Add:
foreach (var item in e.NewItems)
{
Elements.Add(new FieldExposer <T_Item>(DataAccessor, (T_Item)item));
}
break;
case System.Collections.Specialized.NotifyCollectionChangedAction.Remove:
if (e.OldItems.Count == 1)
{
T_Item item = (T_Item)e.OldItems[0];
var found = Elements.Where(element => element.InnerItem.Equals(item)).FirstOrDefault();
if (found == null)
{
throw new InvalidOperationException("Unexpected behavior: element not in list!");
}
Elements.Remove(found);
var selected = SelectedElements.Where(element => element.Equals(item)).FirstOrDefault();
if (selected != null)
{
SelectedElements.Remove(selected);
}
}
else
{
throw new InvalidOperationException("Cannot remove more than one item at once!");
}
break;
default:
Elements = new ObservableCollection <FieldExposer <T_Item> >();
foreach (var item in (ObservableCollection <T_Item>)sender)
{
Elements.Add(new FieldExposer <T_Item>(DataAccessor, (T_Item)item));
}
RaisePropertyChanged("Elements");
break;
}
}
public void DeleteElement(BaseElement element)
{
if ((element != null) && !(element is ConnectorElement))
{
//Delete link
if (element is BaseLinkElement)
{
var linkElement = (BaseLinkElement)element;
DeleteLink(linkElement);
return;
}
//Delete node
if (element is NodeElement)
{
var conn = (NodeElement)element;
foreach (var connectorElement in conn.Connectors)
{
for (var i = connectorElement.Links.Count - 1; i >= 0; i--)
{
var linkElement = (BaseLinkElement)connectorElement.Links[i];
DeleteLink(linkElement);
}
}
if (SelectedNodes.Contains(element))
{
SelectedNodes.Remove(element);
}
}
if (SelectedElements.Contains(element))
{
SelectedElements.Remove(element);
}
_elements.Remove(element);
OnAppearancePropertyChanged(new EventArgs());
}
}
#pragma warning disable 1998
protected override void BuildRenderTree(Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder)
{
__Blazor.Movies_Blazor.Client.Shared.MultipleSelectorTypeahead.TypeInference.CreateCustomTypeahead_0(__builder, 0, 1,
#line 2 "C:\Users\Yorik\Desktop\Blazor_Movies\Movies_Blazor\Client\Shared\MultipleSelectorTypeahead.razor"
(string search) => SearchMethod(search)
#line default
#line hidden
, 2, Microsoft.AspNetCore.Components.EventCallback.Factory.Create(this,
#line 3 "C:\Users\Yorik\Desktop\Blazor_Movies\Movies_Blazor\Client\Shared\MultipleSelectorTypeahead.razor"
(T item) => SelectedElement(item)
#line default
#line hidden
), 3, (context) => (__builder2) => {
__builder2.AddMarkupContent(4, "\r\n ");
__builder2.AddContent(5,
#line 5 "C:\Users\Yorik\Desktop\Blazor_Movies\Movies_Blazor\Client\Shared\MultipleSelectorTypeahead.razor"
MyResultTemplate(context)
#line default
#line hidden
);
__builder2.AddMarkupContent(6, "\r\n ");
}
);
__builder.AddMarkupContent(7, "\r\n\r\n");
__builder.OpenElement(8, "ul");
__builder.AddAttribute(9, "class", "list-group");
__builder.AddMarkupContent(10, "\r\n");
#line 10 "C:\Users\Yorik\Desktop\Blazor_Movies\Movies_Blazor\Client\Shared\MultipleSelectorTypeahead.razor"
foreach (var item in SelectedElements)
{
#line default
#line hidden
__builder.AddContent(11, " ");
__builder.OpenElement(12, "li");
__builder.AddAttribute(13, "draggable", "true");
__builder.AddAttribute(14, "ondragstart", Microsoft.AspNetCore.Components.EventCallback.Factory.Create <Microsoft.AspNetCore.Components.Web.DragEventArgs>(this,
#line 12 "C:\Users\Yorik\Desktop\Blazor_Movies\Movies_Blazor\Client\Shared\MultipleSelectorTypeahead.razor"
() => HandleDragStart(item)
#line default
#line hidden
));
__builder.AddAttribute(15, "ondragover", Microsoft.AspNetCore.Components.EventCallback.Factory.Create <Microsoft.AspNetCore.Components.Web.DragEventArgs>(this,
#line 12 "C:\Users\Yorik\Desktop\Blazor_Movies\Movies_Blazor\Client\Shared\MultipleSelectorTypeahead.razor"
() => HandleDragOver(item)
#line default
#line hidden
));
__builder.AddAttribute(16, "class", "list-group-item list-group-item-action");
__builder.AddMarkupContent(17, "\r\n ");
__builder.AddContent(18,
#line 14 "C:\Users\Yorik\Desktop\Blazor_Movies\Movies_Blazor\Client\Shared\MultipleSelectorTypeahead.razor"
MyListTemplate(item)
#line default
#line hidden
);
__builder.AddMarkupContent(19, "\r\n\r\n ");
__builder.OpenElement(20, "span");
__builder.AddAttribute(21, "onclick", Microsoft.AspNetCore.Components.EventCallback.Factory.Create <Microsoft.AspNetCore.Components.Web.MouseEventArgs>(this,
#line 16 "C:\Users\Yorik\Desktop\Blazor_Movies\Movies_Blazor\Client\Shared\MultipleSelectorTypeahead.razor"
() => SelectedElements.Remove(item)
#line default
#line hidden
));
__builder.AddAttribute(22, "class", "badge badge-primary badge-pill");
__builder.AddAttribute(23, "style", "cursor:pointer");
__builder.AddContent(24, "×");
__builder.CloseElement();
__builder.AddMarkupContent(25, "\r\n ");
__builder.CloseElement();
__builder.AddMarkupContent(26, "\r\n");
#line 19 "C:\Users\Yorik\Desktop\Blazor_Movies\Movies_Blazor\Client\Shared\MultipleSelectorTypeahead.razor"
}
#line default
#line hidden
__builder.CloseElement();
}