/// <summary>
/// Create a new group and move the items into the group
/// </summary>
private void MoveToNewGroup()
{
// Create the group
var state = new ItemState(
_projectManager.GetNextGroupID(),
"Group",
item.transform.parent.name,
Utility.GetNeighbourID(item.transform)
);
var createCommand = new CreateCommand(true, state);
_commandGroup = new CommandGroup();
_undoService.AddCommand(_commandGroup);
_commandGroup.AddToGroup(createCommand);
createCommand.Redo();
// Move the items
_dragItem =
Utility.FindChild(hierarchyView.transform, state.ID).GetComponent <HierarchyItemController>();
_insertion = true;
_selectedItems = hierarchyViewController.GetSelectedItems();
InsertItems();
// Scroll to First selected Game object
var groupItem = gameObject.transform.parent.parent;
hierarchyViewController.ScrollToItem(groupItem.GetComponent <RectTransform>());
groupItem.GetComponent <HierarchyItemController>().RenameItem(true, _commandGroup);
}
/// <summary>
/// Selects the items from the last items index to the current items index
/// </summary>
/// <param name="item">The selected item</param>
private void ShiftSelection(HierarchyItemController item)
{
if (_lastSelectedItem == null)
{
NoModSelection(item);
}
else if (_lastSelectedItem.transform.parent != item.transform.parent)
{
toast.Error(Toast.Short, "Please stay on the\nsame hierarchy level");
}
else
{
DeselectItems();
var parent = item.transform.parent;
var lastItemIndex = _lastSelectedItem.transform.GetSiblingIndex();
var currentItemIndex = item.transform.GetSiblingIndex();
if (lastItemIndex >= currentItemIndex)
{
for (var i = currentItemIndex; i <= lastItemIndex; i++)
{
SelectItem(parent.GetChild(i).GetComponent <HierarchyItemController>());
}
}
else
{
for (var i = lastItemIndex; i <= currentItemIndex; i++)
{
SelectItem(parent.GetChild(i).GetComponent <HierarchyItemController>());
}
}
}
}
/// <summary>
/// Adds one item to the currently selected items or removes one of the item is already selected
/// </summary>
/// <param name="item">the selected item</param>
private void ControlSelection(HierarchyItemController item)
{
_lastSelectedItem = item;
var isGroup = item.item.GetComponent <ItemInfoController>().ItemInfo.isGroup;
if (isGroup)
{
DeselectChildren(item.childrenContainer.transform);
}
else
{
DeselectParent(item.transform);
}
var selected = SelectedItems.Contains(item);
if (selected)
{
DeselectItem(item);
if (SelectedItems.Count > 0)
{
_lastSelectedItem = SelectedItems[SelectedItems.Count - 1];
}
}
else
{
SelectItem(item);
}
}
/// <summary>
/// Stop hovering over the insertion area of this item
/// </summary>
/// <param name="data">Event data</param>
public void StopHoveringOverInsertingArea(BaseEventData data)
{
_dragItem = null;
if (!hierarchyViewController.IsSelected(this))
{
background.color = normalColor;
}
}
/// <summary>
/// Stop hovering over the area to put an item above this item
/// </summary>
/// <param name="data">Event data</param>
public void StopHoveringOverPutAboveArea(BaseEventData data)
{
movingIndicator.SetActive(false);
if (!hierarchyViewController.IsSelected(this))
{
background.color = normalColor;
}
_dragItem = null;
}
/// <summary>
/// Start hovering over the insertion area to insert another item into this item
/// (only works with if this item is a group)
/// </summary>
/// <param name="data">Event data</param>
public void StartHoveringOverInsertingArea(BaseEventData data)
{
// Change the color
var isGroup = itemInfo.ItemInfo.isGroup;
var selected = hierarchyViewController.IsSelected(this);
background.color = Dragging && !isGroup && !selected ? normalColor : highlightedColor;
// Highlight hovered object
HighlightHover();
// Save the item and the action if item is compatible
_insertion = true;
_dragItem = isGroup ? this : null;
}
/// <summary>
/// Removes the previously selected items from the selection and adds the currently selected item to it
/// </summary>
/// <param name="item">the selected item</param>
private void NoModSelection(HierarchyItemController item)
{
_lastSelectedItem = item;
var selected = IsSelected(item) && SelectedItems.Count <= 1;
DeselectItems();
if (!selected)
{
SelectItem(item);
}
else
{
_lastSelectedItem = null;
}
}
/// <summary>
/// Start hovering over the area to put an item above this item
/// </summary>
/// <param name="data">Event data</param>
public void StartHoveringOverPutAboveArea(BaseEventData data)
{
// Change the color
var selected = hierarchyViewController.IsSelected(this);
background.color = Dragging && !selected ? normalColor : highlightedColor;
// Show the moving indicator
movingIndicator.SetActive(Dragging && !selected);
// Highlight hovered object
HighlightHover();
// Save the item and the action
_insertion = false;
_dragItem = selected ? null : this;
}
/// <summary>
/// Handles the possible OnClick modifiers
/// </summary>
/// <param name="item">The selected item</param>
/// <param name="mod">The modifier that is used</param>
public void ClickItem(HierarchyItemController item, KeyCode mod)
{
switch (mod)
{
case KeyCode.LeftShift:
ShiftSelection(item);
break;
case KeyCode.LeftControl:
ControlSelection(item);
break;
default:
NoModSelection(item);
break;
}
HighlightModel();
}
/// <summary>
/// Check if an item is selected
/// </summary>
/// <param name="item">The item</param>
/// <returns>True if item is contained</returns>
public bool IsSelected(HierarchyItemController item)
{
return(SelectedItems.Contains(item));
}
/// <summary>
/// Will set the color of the given selectable based on the selected flag given
/// </summary>
/// <param name="item"></param>
/// <param name="selected">The flag that indicates if the item is selected</param>
public void SetColor(HierarchyItemController item, bool selected)
{
item.background.color = selected ? selectedColor : normalColor;
}
/// <summary>
/// Removes the given item from the list and removes the highlighting
/// </summary>
/// <param name="item">The given item</param>
private void DeselectItem(HierarchyItemController item)
{
SelectedItems.Remove(item);
SetColor(item, false);
_lastSelectedItem = null;
}
/// <summary>
/// Adds the given item to the list and highlights it
/// </summary>
/// <param name="item">The given item</param>
private void SelectItem(HierarchyItemController item)
{
SelectedItems.Add(item);
SetColor(item, true);
}
