void TagsCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
//if (e.Action == NotifyCollectionChangedAction.Remove)
//{
// foreach (object o in e.OldItems)
// {
// TokenizedTagItem tag = (TokenizedTagItem)o;
// if (tag != null)
// {
// Note.Tags.Remove(tag.Text);
// }
// }
//}
if (e.Action == NotifyCollectionChangedAction.Add)
{
foreach (object o in e.NewItems)
{
TokenizedTagItem tag = (TokenizedTagItem)o;
if (tag != null)
{
tag.PropertyChanged += Tag_PropertyChanged;
//Note.Tags.Add(tag.Text);
}
}
}
}
/// <summary>
/// Raises the TagDoubleClick event
/// </summary>
internal void RaiseTagDoubleClick(TokenizedTagItem tag)
{
//if (this.IsSelectable)
// this.SelectedItem = tag;
UpdateAllTagsProperty();
tag.IsEditing = true;
}
public TokenizedTagEventArgs(TokenizedTagItem item)
{
this.Item = item;
}
/// <summary>
/// Raises the TagClick event
/// </summary>
internal void RaiseTagApplied(TokenizedTagItem tag)
{
/*
if (this.IsSelectable)
this.SelectedItem = tag;
*/
if (this.TagApplied != null)
{
TagApplied(this, new TokenizedTagEventArgs(tag));
}
}
/// <summary>
/// Removes a tag from the collection
/// </summary>
internal void RemoveTag(TokenizedTagItem tag, bool cancelEvent = false)
{
if (this.ItemsSource != null)
{
((IList)this.ItemsSource).Remove(tag); // assume IList for convenience
this.Items.Refresh();
//UpdateAllTagsProperty();
if (TagRemoved != null && !cancelEvent)
{
TagRemoved(this, new TokenizedTagEventArgs(tag));
}
// select the last item
if (this.SelectedItem == null && this.Items.Count > 0)
{
//TokenizedTagItem itemToSelect = this.Items.GetItemAt(0) as TokenizedTagItem;
TokenizedTagItem itemToSelect = Items.GetItemAt(Items.Count - 1) as TokenizedTagItem;
if (!object.ReferenceEquals(itemToSelect, null))
{
RaiseTagClick(itemToSelect);
if (this.IsSelectable)
this.SelectedItem = itemToSelect;
}
//this.SelectedItem = this.Items.CurrentItem;
}
}
}
/// <summary>
/// Adds a tag to the collection
/// </summary>
internal void AddTag(TokenizedTagItem tag)
{
TokenizedTagItem itemToSelect = null;
if (this.SelectedItem == null && this.Items.Count > 0)
{
itemToSelect = (TokenizedTagItem)this.SelectedItem;
}
((IList)this.ItemsSource).Add(tag); // assume IList for convenience
this.Items.Refresh();
// select the previous item
if (!object.ReferenceEquals(itemToSelect, null))
{
// && !object.ReferenceEquals(TagApplied, null)
//TagApplied.Invoke(this, new TokenizedTagEventArgs(appliedTag));
RaiseTagClick(itemToSelect);
if (this.IsSelectable)
this.SelectedItem = itemToSelect;
}
// update values
//UpdateAllTagsProperty();
if (TagAdded != null)
TagAdded(this, new TokenizedTagEventArgs(tag));
}
internal TokenizedTagItem InitializeNewTag(bool suppressEditing = false)
{
var newItem = new TokenizedTagItem() { IsEditing = !suppressEditing };
AddTag(newItem);
UpdateAllTagsProperty();
this.IsEditing = !suppressEditing;
return newItem;
}
public void OnApplyTemplate(TokenizedTagItem appliedTag = null)
{
Button createBtn = this.GetTemplateChild("PART_CreateTagButton") as Button;
if (createBtn != null)
{
createBtn.Click -= createBtn_Click;
createBtn.Click += createBtn_Click;
//createBtn.Focus();
// nixin - focuses
//createBtn_Click(createBtn, null);
}
base.OnApplyTemplate();
if (appliedTag != null && !object.ReferenceEquals(TagApplied, null))
{
TagApplied.Invoke(this, new TokenizedTagEventArgs(appliedTag));
}
}
