public void TryPaste()
{
if (!string.IsNullOrEmpty(json))
{
rMindBaseElement element = null;;
var result = new List <rMindBaseElement>();
var list = JsonConvert.DeserializeObject <List <object> >(json);
foreach (var item in list)
{
var s = item.ToString();
var baseObject = JsonConvert.DeserializeObject <rMindBaseElement>(s);
var type = baseObject?.ElementType ?? rElementType.RET_NONE;
switch (type)
{
case rElementType.RET_NONE:
element = JsonConvert.DeserializeObject <rMindBaseElement>(s);
element?.Translate(new Vector2(20, 20));
break;
}
if (element != null)
{
AddElement(element);
}
}
}
}
public void SetSelectedItem(rMindBaseElement item, bool multi = false)
{
if (item == null)
{
foreach (var it in m_selected_items)
{
it.SetSelected(false);
}
m_selected_items.Clear();
return;
}
if (!multi && !m_selected_items.Contains(item))
{
foreach (var it in m_selected_items)
{
if (it == item)
{
continue;
}
it.SetSelected(false);
}
m_selected_items.Clear();
m_selected_items.Add(item);
}
if (!m_selected_items.Contains(item))
{
item.SetSelected(true);
m_selected_items.Add(item);
}
}
/// <summary>
/// Add new element
/// </summary>
public virtual rMindBaseElement AddElement(rMindBaseElement item, bool silent = false)
{
m_items.Add(item);
if (m_subscribed && !silent)
{
Draw(item);
}
return(item);
}
public long GetIndexOfElement(rMindBaseElement element)
{
if (m_items.Contains(element))
{
return(m_items.IndexOf(element));
}
else
{
return(-1);
}
}
protected virtual void Draw(rMindBaseElement item)
{
if (m_subscribed && !m_canvas.Children.Contains(item.Template))
{
m_canvas.Children.Add(item.Template);
item.Template.UpdateLayout();
foreach (var node in item.Nodes)
{
node.Update();
}
}
}
public virtual Vector2 GetScreenCenter(rMindBaseElement item = null)
{
if (!m_subscribed)
{
return(new Vector2(0, 0));
}
return(new Vector2(
(m_scroll.HorizontalOffset + m_scroll.ActualWidth / 2 - (item == null ? 0 : item.Width / 2)) / m_scroll.ZoomFactor,
(m_scroll.VerticalOffset + m_scroll.ActualHeight / 2 - (item == null ? 0 : item.Height / 2)) / m_scroll.ZoomFactor
));
}
public void SetDragItem(rMindBaseElement item, PointerRoutedEventArgs e)
{
m_items_state.DragedItem = item;
if (item == null)
{
return;
}
var p = e.GetCurrentPoint(m_canvas);
m_items_state.StartPointerPosition = new Vector2(p.Position.X, p.Position.Y);
m_items_state.StartPosition = item.Position;
}
public void TranslateContainer(rMindBaseElement container, Vector2 translation)
{
if (SelectedItems.Contains(container))
{
foreach (var selection in SelectedItems)
{
selection.Translate(translation);
}
return;
}
container.Translate(translation);
}
public rMindBaseNode GetNodeByIndexPair(int itemIdx, int nodeIdx)
{
rMindBaseElement item = null;
if (m_items.Count > itemIdx)
{
item = m_items[itemIdx];
if (item.Nodes.Count > nodeIdx)
{
return(item.Nodes[nodeIdx]);
}
}
return(null);
}
public virtual rMindBaseElement CreateElementByElementType(rElementType type, bool silent = false)
{
rMindBaseElement element = null;
switch (type)
{
case rElementType.RET_NONE:
element = new Content.rMindHeaderRowContainer(this);
break;
}
AddElement(element, silent);
return(element);
}
/// <summary>
/// Remove item from canvas
/// </summary>
public virtual void RemoveElement(rMindBaseElement item)
{
if (CheckIsOvered(item))
{
m_overed_item = null;
}
if (m_items.Contains(item))
{
if (m_selected_items.Contains(item))
{
m_selected_items.Remove(item);
}
m_canvas.Children.Remove(item.Template);
m_items.Remove(item);
}
}
public virtual rMindBaseElement CreateElementByElementType(rElementType type, object createParams, bool silent = false)
{
rMindBaseElement element = null;
switch (type)
{
case rElementType.RET_NONE:
element = new Content.rMindHeaderRowContainer(this);
break;
case rElementType.RET_DEVICE_OUTPUT:
element = new Content.rMindDeviceOutput(this);
break;
}
AddElement(element, silent);
return(element);
}
public void SetSelectedItem(rMindBaseElement item, bool multi = false)
{
if (item == null)
{
foreach (var selection in SelectedItems)
{
selection.SetSelected(false);
}
SelectedItems.Clear();
return;
}
if (multi)
{
if (!SelectedItems.Contains(item))
{
item.SetSelected(true);
SelectedItems.Add(item);
}
}
else
{
if (!SelectedItems.Contains(item))
{
foreach (var selection in SelectedItems)
{
selection.SetSelected(false);
}
SelectedItems.Clear();
item.SetSelected(true);
SelectedItems.Add(item);
}
}
/*
* if (item == null)
* {
* foreach (var it in m_selected_items)
* {
* it.SetSelected(false);
* }
* m_selected_items.Clear();
* return;
* }
* if (!multi && !m_selected_items.Contains(item))
* {
* foreach (var it in m_selected_items)
* {
* if (it == item)
* continue;
* it.SetSelected(false);
* }
* m_selected_items.Clear();
* m_selected_items.Add(item);
* }
* if (!m_selected_items.Contains(item))
* {
* item.SetSelected(true);
* m_selected_items.Add(item);
* }
*/
}
public bool CheckIsDraged(rMindBaseElement item)
{
return(m_items_state.DragedItem == item);
}
public bool CheckIsOvered(rMindBaseElement item)
{
return(m_overed_item == item);
}
public void SetOveredItem(rMindBaseElement item)
{
m_overed_item = item;
}