forked from BilalY/Rasagar
1706 lines
70 KiB
C#
1706 lines
70 KiB
C#
#if UNITY_EDITOR
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Linq;
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using System.Reflection;
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using System.Text;
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using UnityEditor;
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using UnityEditor.IMGUI.Controls;
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using UnityEngine.InputSystem.Layouts;
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using UnityEngine.InputSystem.Utilities;
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// The action tree view illustrates one of the weaknesses of Unity's editing model. While operating directly
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// on serialized data does have a number of advantages (the built-in undo system being one of them), making the
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// persistence model equivalent to the edit model doesn't work well. Serialized data will be laid out for persistence,
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// not for the convenience of editing operations. This means that editing operations have to constantly jump through
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// hoops to map themselves onto the persistence model of the data.
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////TODO: With many actions and bindings the list becomes really hard to grok; make things more visually distinctive
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////TODO: add context menu items for reordering action and binging entries (like "Move Up" and "Move Down")
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////FIXME: context menu cannot be brought up when there's no items in the tree
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////FIXME: RMB context menu for actions displays composites that aren't applicable to the action
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namespace UnityEngine.InputSystem.Editor
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{
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/// <summary>
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/// A tree view showing action maps, actions, and bindings. This is the core piece around which the various
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/// pieces of action editing functionality revolve.
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/// </summary>
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/// <remarks>
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/// The tree view can be flexibly used to contain only parts of a specific action setup. For example,
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/// by only adding items for action maps (<see cref="ActionMapTreeItem"/> to the tree, the tree view
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/// will become a flat list of action maps. Or by adding only items for actions (<see cref="ActionTreeItem"/>
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/// and items for their bindings (<see cref="BindingTreeItem"/>) to the tree, it will become an action-only
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/// tree view.
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///
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/// This is used by the action asset editor to separate action maps and their actions into two separate
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/// tree views (the leftmost and the middle column of the editor).
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///
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/// Each action tree comes with copy-paste and context menu support.
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/// </remarks>
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internal class InputActionTreeView : TreeView
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{
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#region Creation
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public InputActionTreeView(SerializedObject serializedObject, TreeViewState state = null)
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: base(state ?? new TreeViewState())
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{
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Debug.Assert(serializedObject != null, "Must have serialized object");
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this.serializedObject = serializedObject;
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UpdateSerializedObjectDirtyCount();
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foldoutOverride = DrawFoldout;
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drawHeader = true;
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drawPlusButton = true;
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drawMinusButton = true;
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m_ForceAcceptRename = false;
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m_Title = new GUIContent("");
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}
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/// <summary>
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/// Build an action tree that shows only the bindings for the given action.
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/// </summary>
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public static TreeViewItem BuildWithJustBindingsFromAction(SerializedProperty actionProperty, SerializedProperty actionMapProperty = null)
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{
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Debug.Assert(actionProperty != null, "Action property cannot be null");
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var root = new ActionTreeItem(actionMapProperty, actionProperty);
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root.depth = -1;
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root.AddBindingsTo(root);
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return root;
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}
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/// <summary>
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/// Build an action tree that shows only the actions and bindings for the given action map.
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/// </summary>
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public static TreeViewItem BuildWithJustActionsAndBindingsFromMap(SerializedProperty actionMapProperty)
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{
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Debug.Assert(actionMapProperty != null, "Action map property cannot be null");
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var root = new ActionMapTreeItem(actionMapProperty);
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root.depth = -1;
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root.AddActionsAndBindingsTo(root);
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return root;
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}
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/// <summary>
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/// Build an action tree that contains only the action maps from the given .inputactions asset.
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/// </summary>
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public static TreeViewItem BuildWithJustActionMapsFromAsset(SerializedObject assetObject)
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{
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Debug.Assert(assetObject != null, "Asset object cannot be null");
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var root = new ActionMapListItem {id = 0, depth = -1};
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ActionMapTreeItem.AddActionMapsFromAssetTo(root, assetObject);
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return root;
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}
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public static TreeViewItem BuildFullTree(SerializedObject assetObject)
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{
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Debug.Assert(assetObject != null, "Asset object cannot be null");
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var root = new TreeViewItem {id = 0, depth = -1};
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ActionMapTreeItem.AddActionMapsFromAssetTo(root, assetObject);
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if (root.hasChildren)
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foreach (var child in root.children)
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((ActionMapTreeItem)child).AddActionsAndBindingsTo(child);
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return root;
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}
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protected override TreeViewItem BuildRoot()
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{
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var root = onBuildTree?.Invoke() ?? new TreeViewItem(0, -1);
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// If we have a filter, remove unwanted items from the tree.
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// NOTE: We use this method rather than TreeView's built-in search functionality as we want
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// to keep the tree structure fully intact whereas searchString switches the tree into
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// a different view mode.
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if (m_ItemFilterCriteria.LengthSafe() > 0 && root.hasChildren)
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{
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foreach (var child in root.children.OfType<ActionTreeItemBase>().ToArray())
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PruneTreeByItemSearchFilter(child);
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}
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// Root node is required to have `children` not be null. Add empty list,
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// if necessary. Can happen, for example, if we have a singleton action at the
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// root but no bindings on it.
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if (root.children == null)
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root.children = new List<TreeViewItem>();
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return root;
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}
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#endregion
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#region Filtering
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internal bool hasFilter => m_ItemFilterCriteria != null;
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public void ClearItemSearchFilterAndReload()
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{
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if (m_ItemFilterCriteria == null)
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return;
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m_ItemFilterCriteria = null;
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Reload();
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}
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public void SetItemSearchFilterAndReload(string criteria)
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{
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SetItemSearchFilterAndReload(FilterCriterion.FromString(criteria));
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}
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public void SetItemSearchFilterAndReload(IEnumerable<FilterCriterion> criteria)
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{
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m_ItemFilterCriteria = criteria.ToArray();
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Reload();
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}
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private void PruneTreeByItemSearchFilter(ActionTreeItemBase item)
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{
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// Prune subtree if item is forced out by any of our criteria.
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if (m_ItemFilterCriteria.Any(x => x.Matches(item) == FilterCriterion.Match.Failure))
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{
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item.parent.children.Remove(item);
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// Add to list of hidden children.
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if (item.parent is ActionTreeItemBase parent)
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{
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if (parent.m_HiddenChildren == null)
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parent.m_HiddenChildren = new List<ActionTreeItemBase>();
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parent.m_HiddenChildren.Add(item);
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}
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return;
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}
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////REVIEW: should we *always* do this? (regardless of whether a control scheme is selected)
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// When filtering by binding group, we tag bindings that are not in any binding group as "{GLOBAL}".
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// This helps when having a specific control scheme selected, to also see the bindings that are active
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// in that control scheme by virtue of not being associated with *any* specific control scheme.
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if (item is BindingTreeItem bindingItem &&
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!(item is CompositeBindingTreeItem) &&
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string.IsNullOrEmpty(bindingItem.groups) &&
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m_ItemFilterCriteria.Any(x => x.type == FilterCriterion.Type.ByBindingGroup))
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{
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item.displayName += " {GLOBAL}";
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}
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// Prune children.
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if (item.hasChildren)
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{
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foreach (var child in item.children.OfType<ActionTreeItemBase>().ToArray()) // We're modifying the child list so copy.
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PruneTreeByItemSearchFilter(child);
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}
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}
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#endregion
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#region Finding Items
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public ActionTreeItemBase FindItemByPath(string path)
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{
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var components = path.Split('/');
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var current = rootItem;
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foreach (var component in components)
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{
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if (current.hasChildren)
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{
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var found = false;
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foreach (var child in current.children)
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{
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if (child.displayName.Equals(component, StringComparison.InvariantCultureIgnoreCase))
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{
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current = child;
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found = true;
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break;
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}
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}
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if (found)
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continue;
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}
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return null;
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}
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return (ActionTreeItemBase)current;
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}
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public ActionTreeItemBase FindItemByPropertyPath(string propertyPath)
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{
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return FindFirstItem<ActionTreeItemBase>(x => x.property.propertyPath == propertyPath);
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}
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public ActionTreeItemBase FindItemFor(SerializedProperty element)
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{
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// We may be looking at a SerializedProperty that refers to the same element but is
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// its own instance different from the one we're using in the tree. Compare properties
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// by path, not by object instance.
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return FindFirstItem<ActionTreeItemBase>(x => x.property.propertyPath == element.propertyPath);
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}
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public TItem FindFirstItem<TItem>(Func<TItem, bool> predicate)
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where TItem : ActionTreeItemBase
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{
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return FindFirstItemRecursive(rootItem, predicate);
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}
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private static TItem FindFirstItemRecursive<TItem>(TreeViewItem current, Func<TItem, bool> predicate)
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where TItem : ActionTreeItemBase
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{
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if (current is TItem itemOfType && predicate(itemOfType))
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return itemOfType;
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if (current.hasChildren)
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foreach (var child in current.children)
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{
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var item = FindFirstItemRecursive(child, predicate);
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if (item != null)
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return item;
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}
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return null;
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}
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#endregion
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#region Selection
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public void ClearSelection()
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{
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SetSelection(new int[0], TreeViewSelectionOptions.FireSelectionChanged);
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}
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public void SelectItems(IEnumerable<ActionTreeItemBase> items)
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{
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SetSelection(items.Select(x => x.id).ToList(), TreeViewSelectionOptions.FireSelectionChanged);
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}
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public void SelectItem(SerializedProperty element, bool additive = false)
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{
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var item = FindItemFor(element);
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if (item == null)
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throw new ArgumentException($"Cannot find item for property path '{element.propertyPath}'", nameof(element));
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SelectItem(item, additive);
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}
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public void SelectItem(string path, bool additive = false)
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{
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if (!TrySelectItem(path, additive))
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throw new ArgumentException($"Cannot find item with path 'path'", nameof(path));
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}
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public bool TrySelectItem(string path, bool additive = false)
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{
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var item = FindItemByPath(path);
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if (item == null)
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return false;
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SelectItem(item, additive);
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return true;
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}
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public void SelectItem(ActionTreeItemBase item, bool additive = false)
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{
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if (additive)
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{
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var selection = new List<int>();
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selection.AddRange(GetSelection());
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selection.Add(item.id);
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SetSelection(selection, TreeViewSelectionOptions.FireSelectionChanged);
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}
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else
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{
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SetSelection(new[] { item.id }, TreeViewSelectionOptions.FireSelectionChanged);
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}
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}
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public IEnumerable<ActionTreeItemBase> GetSelectedItems()
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{
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foreach (var id in GetSelection())
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{
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if (FindItem(id, rootItem) is ActionTreeItemBase item)
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yield return item;
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}
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}
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/// <summary>
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/// Same as <see cref="GetSelectedItems"/> but with items that are selected but are children of other items
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/// that also selected being filtered out.
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/// </summary>
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/// <remarks>
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/// This is useful for operations such as copy-paste where copy a parent will implicitly copy the child.
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/// </remarks>
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public IEnumerable<ActionTreeItemBase> GetSelectedItemsWithChildrenFilteredOut()
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{
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var selectedItems = GetSelectedItems().ToArray();
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foreach (var item in selectedItems)
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{
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if (selectedItems.Any(x => x.IsParentOf(item)))
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continue;
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yield return item;
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}
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}
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public IEnumerable<TItem> GetSelectedItemsOrParentsOfType<TItem>()
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where TItem : ActionTreeItemBase
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{
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// If there is no selection and the root item has the type we're looking for,
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// consider it selected. This allows adding items at the toplevel.
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if (!HasSelection() && rootItem is TItem root)
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{
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yield return root;
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}
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else
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{
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foreach (var id in GetSelection())
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{
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var item = FindItem(id, rootItem);
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while (item != null)
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{
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if (item is TItem itemOfType)
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yield return itemOfType;
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item = item.parent;
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}
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}
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}
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}
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public void SelectFirstToplevelItem()
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{
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if (rootItem.children.Any())
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SetSelection(new[] {rootItem.children[0].id}, TreeViewSelectionOptions.FireSelectionChanged);
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}
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protected override void SelectionChanged(IList<int> selectedIds)
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{
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onSelectionChanged?.Invoke();
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}
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#endregion
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#region Renaming
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public new void BeginRename(TreeViewItem item)
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{
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// If a rename is already in progress, force it to end first.
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EndRename();
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onBeginRename?.Invoke((ActionTreeItemBase)item);
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base.BeginRename(item);
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}
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protected override bool CanRename(TreeViewItem item)
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{
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return item is ActionTreeItemBase actionTreeItem && actionTreeItem.canRename;
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}
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protected override void RenameEnded(RenameEndedArgs args)
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{
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if (!(FindItem(args.itemID, rootItem) is ActionTreeItemBase actionItem))
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return;
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if (!(args.acceptedRename || m_ForceAcceptRename) || args.originalName == args.newName)
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return;
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Debug.Assert(actionItem.canRename, "Cannot rename " + actionItem);
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actionItem.Rename(args.newName);
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OnSerializedObjectModified();
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}
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public void EndRename(bool forceAccept)
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{
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m_ForceAcceptRename = forceAccept;
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EndRename();
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m_ForceAcceptRename = false;
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}
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protected override void DoubleClickedItem(int id)
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{
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if (!(FindItem(id, rootItem) is ActionTreeItemBase item))
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return;
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// If we have a double-click handler, give it control over what happens.
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if (onDoubleClick != null)
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{
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onDoubleClick(item);
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}
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else if (item.canRename)
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{
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// Otherwise, perform a rename by default.
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BeginRename(item);
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}
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}
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#endregion
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#region Drag&Drop
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protected override bool CanStartDrag(CanStartDragArgs args)
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{
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return true;
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}
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protected override void SetupDragAndDrop(SetupDragAndDropArgs args)
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{
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DragAndDrop.PrepareStartDrag();
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DragAndDrop.SetGenericData("itemIDs", args.draggedItemIDs.ToArray());
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DragAndDrop.SetGenericData("tree", this);
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DragAndDrop.StartDrag(string.Join(",", args.draggedItemIDs.Select(id => FindItem(id, rootItem).displayName)));
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}
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protected override DragAndDropVisualMode HandleDragAndDrop(DragAndDropArgs args)
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{
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var sourceTree = DragAndDrop.GetGenericData("tree") as InputActionTreeView;
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if (sourceTree == null)
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return DragAndDropVisualMode.Rejected;
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var itemIds = (int[])DragAndDrop.GetGenericData("itemIDs");
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var altKeyIsDown = Event.current.alt;
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// Reject the drag if the parent item does not accept the drop.
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if (args.parentItem is ActionTreeItemBase parentItem)
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{
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if (itemIds.Any(id =>
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!parentItem.AcceptsDrop((ActionTreeItemBase)sourceTree.FindItem(id, sourceTree.rootItem))))
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return DragAndDropVisualMode.Rejected;
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}
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else
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{
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// If the root item isn't an ActionTreeItemBase, we're looking at a tree that starts
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// all the way up at the InputActionAsset. Require the drop to be all action maps.
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if (itemIds.Any(id => !(sourceTree.FindItem(id, sourceTree.rootItem) is ActionMapTreeItem)))
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return DragAndDropVisualMode.Rejected;
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}
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// Handle drop using copy-paste. This allows handling all the various operations
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// using a single code path.
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var isMove = !altKeyIsDown;
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if (args.performDrop)
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{
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// Copy item data.
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var copyBuffer = new StringBuilder();
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var items = itemIds.Select(id => (ActionTreeItemBase)sourceTree.FindItem(id, sourceTree.rootItem));
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CopyItems(items, copyBuffer);
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// If we're moving items within the same tree, no need to generate new IDs.
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var assignNewIDs = !(isMove && sourceTree == this);
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// Determine where we are moving/copying the data.
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var target = args.parentItem ?? rootItem;
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int? childIndex = null;
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if (args.dragAndDropPosition == DragAndDropPosition.BetweenItems)
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childIndex = args.insertAtIndex;
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// If alt isn't down (i.e. we're not duplicating), delete old items.
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// Do this *before* pasting so that assigning new names will not cause names to
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// change when just moving items around.
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if (isMove)
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{
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// Don't use DeleteDataOfSelectedItems() as that will record as a separate operation.
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foreach (var item in items)
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{
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// If we're dropping *between* items on the same parent as the current item and the
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// index we're dropping at (in the parent, NOT in the array) is coming *after* this item,
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// then deleting the item will shift the target index down by one.
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if (item.parent == target && childIndex != null && childIndex > target.children.IndexOf(item))
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--childIndex;
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item.DeleteData();
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}
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}
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// Paste items onto target.
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var oldBindingGroupForNewBindings = bindingGroupForNewBindings;
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try
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{
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// With drag&drop, preserve binding groups.
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bindingGroupForNewBindings = null;
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PasteItems(copyBuffer.ToString(),
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new[] { new InsertLocation { item = target, childIndex = childIndex } },
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assignNewIDs: assignNewIDs);
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}
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finally
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{
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bindingGroupForNewBindings = oldBindingGroupForNewBindings;
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}
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DragAndDrop.AcceptDrag();
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}
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return isMove ? DragAndDropVisualMode.Move : DragAndDropVisualMode.Copy;
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}
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#endregion
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#region Copy&Paste
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// These need to correspond to what the editor is sending from the "Edit" menu.
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public const string k_CopyCommand = "Copy";
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public const string k_PasteCommand = "Paste";
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|
public const string k_DuplicateCommand = "Duplicate";
|
|
public const string k_CutCommand = "Cut";
|
|
public const string k_DeleteCommand = "Delete";
|
|
public const string k_SoftDeleteCommand = "SoftDelete";
|
|
|
|
public void HandleCopyPasteCommandEvent(Event uiEvent)
|
|
{
|
|
if (uiEvent.type == EventType.ValidateCommand)
|
|
{
|
|
switch (uiEvent.commandName)
|
|
{
|
|
case k_CopyCommand:
|
|
case k_CutCommand:
|
|
case k_DuplicateCommand:
|
|
case k_DeleteCommand:
|
|
case k_SoftDeleteCommand:
|
|
if (HasSelection())
|
|
uiEvent.Use();
|
|
break;
|
|
|
|
case k_PasteCommand:
|
|
var systemCopyBuffer = EditorHelpers.GetSystemCopyBufferContents();
|
|
if (systemCopyBuffer != null && systemCopyBuffer.StartsWith(k_CopyPasteMarker))
|
|
uiEvent.Use();
|
|
break;
|
|
}
|
|
}
|
|
else if (uiEvent.type == EventType.ExecuteCommand)
|
|
{
|
|
switch (uiEvent.commandName)
|
|
{
|
|
case k_CopyCommand:
|
|
CopySelectedItemsToClipboard();
|
|
break;
|
|
case k_PasteCommand:
|
|
PasteDataFromClipboard();
|
|
break;
|
|
case k_CutCommand:
|
|
CopySelectedItemsToClipboard();
|
|
DeleteDataOfSelectedItems();
|
|
break;
|
|
case k_DuplicateCommand:
|
|
DuplicateSelection();
|
|
break;
|
|
case k_DeleteCommand:
|
|
case k_SoftDeleteCommand:
|
|
DeleteDataOfSelectedItems();
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
uiEvent.Use();
|
|
}
|
|
}
|
|
|
|
private void DuplicateSelection()
|
|
{
|
|
var buffer = new StringBuilder();
|
|
|
|
// If we have a multi-selection, we want to perform the duplication as if each item
|
|
// was duplicated individually. Meaning we paste each duplicate right after the item
|
|
// it was duplicated from. So if, say, an action is selected at the beginning of the
|
|
// tree and one is selected from the end of it, we still paste the copies into the
|
|
// two separate locations correctly.
|
|
//
|
|
// Technically, if both parents and children are selected, we're order dependent here
|
|
// but not sure we really need to care.
|
|
|
|
var selection = GetSelection();
|
|
ClearSelection();
|
|
|
|
// Copy-paste each selected item in turn.
|
|
var newItemIds = new List<int>();
|
|
foreach (var id in selection)
|
|
{
|
|
SetSelection(new[] { id });
|
|
|
|
buffer.Length = 0;
|
|
CopySelectedItemsTo(buffer);
|
|
PasteDataFrom(buffer.ToString());
|
|
|
|
newItemIds.AddRange(GetSelection());
|
|
}
|
|
|
|
SetSelection(newItemIds);
|
|
}
|
|
|
|
internal const string k_CopyPasteMarker = "INPUTASSET ";
|
|
private const string k_StartOfText = "\u0002";
|
|
private const string k_StartOfHeading = "\u0001";
|
|
private const string k_EndOfTransmission = "\u0004";
|
|
private const string k_EndOfTransmissionBlock = "\u0017";
|
|
|
|
/// <summary>
|
|
/// Copy the currently selected items to the clipboard.
|
|
/// </summary>
|
|
/// <seealso cref="EditorGUIUtility.systemCopyBuffer"/>
|
|
public void CopySelectedItemsToClipboard()
|
|
{
|
|
var copyBuffer = new StringBuilder();
|
|
CopySelectedItemsTo(copyBuffer);
|
|
EditorHelpers.SetSystemCopyBufferContents(copyBuffer.ToString());
|
|
}
|
|
|
|
public void CopySelectedItemsTo(StringBuilder buffer)
|
|
{
|
|
CopyItems(GetSelectedItemsWithChildrenFilteredOut(), buffer);
|
|
}
|
|
|
|
public static void CopyItems(IEnumerable<ActionTreeItemBase> items, StringBuilder buffer)
|
|
{
|
|
buffer.Append(k_CopyPasteMarker);
|
|
foreach (var item in items)
|
|
{
|
|
CopyItemData(item, buffer);
|
|
buffer.Append(k_EndOfTransmission);
|
|
}
|
|
}
|
|
|
|
private static void CopyItemData(ActionTreeItemBase item, StringBuilder buffer)
|
|
{
|
|
buffer.Append(k_StartOfHeading);
|
|
buffer.Append(item.GetType().Name);
|
|
buffer.Append(k_StartOfText);
|
|
// InputActionMaps have back-references to InputActionAssets. Make sure we ignore those.
|
|
buffer.Append(item.property.CopyToJson(ignoreObjectReferences: true));
|
|
buffer.Append(k_EndOfTransmissionBlock);
|
|
|
|
if (!item.serializedDataIncludesChildren && item.hasChildrenIncludingHidden)
|
|
foreach (var child in item.childrenIncludingHidden)
|
|
CopyItemData(child, buffer);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Remove the data from the currently selected items from the <see cref="SerializedObject"/>
|
|
/// referenced by the tree's data.
|
|
/// </summary>
|
|
public void DeleteDataOfSelectedItems()
|
|
{
|
|
// When deleting data, indices will shift around. However, we do not delete elements by array indices
|
|
// directly but rather by GUIDs which are used to look up array indices dynamically. This means that
|
|
// we can safely delete the items without worrying about one deletion affecting the next.
|
|
//
|
|
// NOTE: It is important that we first fetch *all* of the selection filtered for parent/child duplicates.
|
|
// If we don't do so up front, the deletions happening later may start interacting with our
|
|
// parent/child test.
|
|
var selection = GetSelectedItemsWithChildrenFilteredOut().ToArray();
|
|
|
|
// Clear our current selection. If we don't do this first, TreeView will implicitly
|
|
// clear the selection as items disappear but we will not see a selection change notification
|
|
// being triggered.
|
|
ClearSelection();
|
|
|
|
DeleteItems(selection);
|
|
}
|
|
|
|
public void DeleteItems(IEnumerable<ActionTreeItemBase> items)
|
|
{
|
|
foreach (var item in items)
|
|
item.DeleteData();
|
|
|
|
OnSerializedObjectModified();
|
|
}
|
|
|
|
public bool HavePastableClipboardData()
|
|
{
|
|
var clipboard = EditorHelpers.GetSystemCopyBufferContents();
|
|
return clipboard.StartsWith(k_CopyPasteMarker);
|
|
}
|
|
|
|
public void PasteDataFromClipboard()
|
|
{
|
|
PasteDataFrom(EditorHelpers.GetSystemCopyBufferContents());
|
|
}
|
|
|
|
public void PasteDataFrom(string copyBufferString)
|
|
{
|
|
if (!copyBufferString.StartsWith(k_CopyPasteMarker))
|
|
return;
|
|
|
|
var locations = GetSelectedItemsWithChildrenFilteredOut().Select(x => new InsertLocation { item = x }).ToList();
|
|
if (locations.Count == 0)
|
|
locations.Add(new InsertLocation { item = rootItem });
|
|
|
|
////REVIEW: filtering out children may remove the very item we need to get the right match for a copy block?
|
|
PasteItems(copyBufferString, locations);
|
|
}
|
|
|
|
public struct InsertLocation
|
|
{
|
|
public TreeViewItem item;
|
|
public int? childIndex;
|
|
}
|
|
|
|
public void PasteItems(string copyBufferString, IEnumerable<InsertLocation> locations, bool assignNewIDs = true, bool selectNewItems = true)
|
|
{
|
|
var newItemPropertyPaths = new List<string>();
|
|
|
|
// Split buffer into transmissions and then into transmission blocks. Each transmission is an item subtree
|
|
// meant to be pasted as a whole and each transmission block is a single chunk of serialized data.
|
|
foreach (var transmission in copyBufferString.Substring(k_CopyPasteMarker.Length)
|
|
.Split(new[] {k_EndOfTransmission}, StringSplitOptions.RemoveEmptyEntries))
|
|
{
|
|
foreach (var location in locations)
|
|
PasteBlocks(transmission, location, assignNewIDs, newItemPropertyPaths);
|
|
}
|
|
|
|
OnSerializedObjectModified();
|
|
|
|
// If instructed to do so, go and select all newly added items.
|
|
if (selectNewItems && newItemPropertyPaths.Count > 0)
|
|
{
|
|
// We may have pasted into a different tree view. Only select the items if we can find them in
|
|
// our current tree view.
|
|
var newItems = newItemPropertyPaths.Select(FindItemByPropertyPath).Where(x => x != null);
|
|
if (newItems.Any())
|
|
SelectItems(newItems);
|
|
}
|
|
}
|
|
|
|
private const string k_ActionMapTag = k_StartOfHeading + "ActionMapTreeItem" + k_StartOfText;
|
|
private const string k_ActionTag = k_StartOfHeading + "ActionTreeItem" + k_StartOfText;
|
|
private const string k_BindingTag = k_StartOfHeading + "BindingTreeItem" + k_StartOfText;
|
|
private const string k_CompositeBindingTag = k_StartOfHeading + "CompositeBindingTreeItem" + k_StartOfText;
|
|
private const string k_PartOfCompositeBindingTag = k_StartOfHeading + "PartOfCompositeBindingTreeItem" + k_StartOfText;
|
|
|
|
private void PasteBlocks(string transmission, InsertLocation location, bool assignNewIDs, List<string> newItemPropertyPaths)
|
|
{
|
|
Debug.Assert(location.item != null, "Should have drop target");
|
|
|
|
var blocks = transmission.Split(new[] {k_EndOfTransmissionBlock},
|
|
StringSplitOptions.RemoveEmptyEntries);
|
|
if (blocks.Length < 1)
|
|
return;
|
|
|
|
Type CopyTagToType(string tagName)
|
|
{
|
|
switch (tagName)
|
|
{
|
|
case k_ActionMapTag: return typeof(ActionMapTreeItem);
|
|
case k_ActionTag: return typeof(ActionTreeItem);
|
|
case k_BindingTag: return typeof(BindingTreeItem);
|
|
case k_CompositeBindingTag: return typeof(CompositeBindingTreeItem);
|
|
case k_PartOfCompositeBindingTag: return typeof(PartOfCompositeBindingTreeItem);
|
|
default:
|
|
throw new Exception($"Unrecognized copy block tag '{tagName}'");
|
|
}
|
|
}
|
|
|
|
SplitTagAndData(blocks[0], out var tag, out var data);
|
|
|
|
// Determine where to drop the item.
|
|
SerializedProperty array = null;
|
|
var arrayIndex = -1;
|
|
var itemType = CopyTagToType(tag);
|
|
if (location.item is ActionTreeItemBase dropTarget)
|
|
{
|
|
if (!dropTarget.GetDropLocation(itemType, location.childIndex, ref array, ref arrayIndex))
|
|
return;
|
|
}
|
|
else if (tag == k_ActionMapTag)
|
|
{
|
|
// Paste into InputActionAsset.
|
|
array = serializedObject.FindProperty("m_ActionMaps");
|
|
arrayIndex = location.childIndex ?? array.arraySize;
|
|
}
|
|
else
|
|
{
|
|
throw new InvalidOperationException($"Cannot paste {tag} into {location.item.displayName}");
|
|
}
|
|
|
|
// If not given a specific index, we paste onto the end of the array.
|
|
if (arrayIndex == -1 || arrayIndex > array.arraySize)
|
|
arrayIndex = array.arraySize;
|
|
|
|
// Determine action to assign to pasted bindings.
|
|
string actionForNewBindings = null;
|
|
if (location.item is ActionTreeItem actionItem)
|
|
actionForNewBindings = actionItem.name;
|
|
else if (location.item is BindingTreeItem bindingItem)
|
|
actionForNewBindings = bindingItem.action;
|
|
|
|
// Paste new element.
|
|
var newElement = PasteBlock(tag, data, array, arrayIndex, assignNewIDs, actionForNewBindings);
|
|
newItemPropertyPaths.Add(newElement.propertyPath);
|
|
|
|
// If the element can have children, read whatever blocks are following the current one (if any).
|
|
if ((tag == k_ActionTag || tag == k_CompositeBindingTag) && blocks.Length > 1)
|
|
{
|
|
var bindingArray = array;
|
|
|
|
if (tag == k_ActionTag)
|
|
{
|
|
// We don't support pasting actions separately into action maps in the same paste operations so
|
|
// there must be an ActionMapTreeItem in the hierarchy we pasted into.
|
|
var actionMapItem = location.item.TryFindItemInHierarchy<ActionMapTreeItem>();
|
|
Debug.Assert(actionMapItem != null, "Cannot find ActionMapTreeItem in hierarchy of pasted action");
|
|
bindingArray = actionMapItem.bindingsArrayProperty;
|
|
actionForNewBindings = InputActionSerializationHelpers.GetName(newElement);
|
|
}
|
|
|
|
for (var i = 1; i < blocks.Length; ++i)
|
|
{
|
|
SplitTagAndData(blocks[i], out var blockTag, out var blockData);
|
|
|
|
PasteBlock(blockTag, blockData, bindingArray,
|
|
tag == k_CompositeBindingTag ? arrayIndex + i : -1,
|
|
assignNewIDs,
|
|
actionForNewBindings);
|
|
}
|
|
}
|
|
}
|
|
|
|
private static void SplitTagAndData(string block, out string tag, out string data)
|
|
{
|
|
var indexOfStartOfTextChar = block.IndexOf(k_StartOfText);
|
|
if (indexOfStartOfTextChar == -1)
|
|
throw new ArgumentException($"Incorrect copy data format: Expecting '{k_StartOfText}' in '{block}'",
|
|
nameof(block));
|
|
|
|
tag = block.Substring(0, indexOfStartOfTextChar + 1);
|
|
data = block.Substring(indexOfStartOfTextChar + 1);
|
|
}
|
|
|
|
public static SerializedProperty AddElement(SerializedProperty arrayProperty, string name, int index = -1)
|
|
{
|
|
var uniqueName = InputActionSerializationHelpers.FindUniqueName(arrayProperty, name);
|
|
if (index < 0)
|
|
index = arrayProperty.arraySize;
|
|
|
|
arrayProperty.InsertArrayElementAtIndex(index);
|
|
var elementProperty = arrayProperty.GetArrayElementAtIndex(index);
|
|
elementProperty.ResetValuesToDefault();
|
|
|
|
elementProperty.FindPropertyRelative("m_Name").stringValue = uniqueName;
|
|
elementProperty.FindPropertyRelative("m_Id").stringValue = Guid.NewGuid().ToString();
|
|
|
|
return elementProperty;
|
|
}
|
|
|
|
private SerializedProperty PasteBlock(string tag, string data, SerializedProperty array, int arrayIndex,
|
|
bool assignNewIDs, string actionForNewBindings = null)
|
|
{
|
|
// Add an element to the array. Then read the serialized properties stored in the copy data
|
|
// back into the element.
|
|
var property = AddElement(array, "tempName", arrayIndex);
|
|
property.RestoreFromJson(data);
|
|
if (tag == k_ActionTag || tag == k_ActionMapTag)
|
|
InputActionSerializationHelpers.EnsureUniqueName(property);
|
|
if (assignNewIDs)
|
|
{
|
|
// Assign new IDs to the element as well as to any elements it contains. This means
|
|
// that for action maps, we will also assign new IDs to every action and binding in the map.
|
|
InputActionSerializationHelpers.AssignUniqueIDs(property);
|
|
}
|
|
|
|
// If the element is a binding, update its action target and binding group, if necessary.
|
|
if (tag == k_BindingTag || tag == k_CompositeBindingTag || tag == k_PartOfCompositeBindingTag)
|
|
{
|
|
////TODO: use {id} rather than plain name
|
|
// Update action to refer to given action.
|
|
InputActionSerializationHelpers.ChangeBinding(property, action: actionForNewBindings);
|
|
|
|
// If we have a binding group to set for new bindings, overwrite the binding's
|
|
// group with it.
|
|
if (!string.IsNullOrEmpty(bindingGroupForNewBindings) && tag != k_CompositeBindingTag)
|
|
{
|
|
InputActionSerializationHelpers.ChangeBinding(property,
|
|
groups: bindingGroupForNewBindings);
|
|
}
|
|
|
|
onBindingAdded?.Invoke(property);
|
|
}
|
|
|
|
return property;
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Context Menus
|
|
|
|
public void BuildContextMenuFor(Type itemType, GenericMenu menu, bool multiSelect, ActionTreeItem actionItem = null, bool noSelection = false)
|
|
{
|
|
var canRename = false;
|
|
if (itemType == typeof(ActionMapTreeItem))
|
|
{
|
|
menu.AddItem(s_AddActionLabel, false, AddNewAction);
|
|
}
|
|
else if (itemType == typeof(ActionTreeItem))
|
|
{
|
|
canRename = true;
|
|
BuildMenuToAddBindings(menu, actionItem);
|
|
}
|
|
else if (itemType == typeof(CompositeBindingTreeItem))
|
|
{
|
|
canRename = true;
|
|
}
|
|
else if (itemType == typeof(ActionMapListItem))
|
|
{
|
|
menu.AddItem(s_AddActionMapLabel, false, AddNewActionMap);
|
|
}
|
|
|
|
// Common menu entries shared by all types of items.
|
|
menu.AddSeparator("");
|
|
if (noSelection)
|
|
{
|
|
menu.AddDisabledItem(s_CutLabel);
|
|
menu.AddDisabledItem(s_CopyLabel);
|
|
}
|
|
else
|
|
{
|
|
menu.AddItem(s_CutLabel, false, () =>
|
|
{
|
|
CopySelectedItemsToClipboard();
|
|
DeleteDataOfSelectedItems();
|
|
});
|
|
menu.AddItem(s_CopyLabel, false, CopySelectedItemsToClipboard);
|
|
}
|
|
if (HavePastableClipboardData())
|
|
menu.AddItem(s_PasteLabel, false, PasteDataFromClipboard);
|
|
else
|
|
menu.AddDisabledItem(s_PasteLabel);
|
|
menu.AddSeparator("");
|
|
if (!noSelection && canRename && !multiSelect)
|
|
menu.AddItem(s_RenameLabel, false, () => BeginRename(GetSelectedItems().First()));
|
|
else if (canRename)
|
|
menu.AddDisabledItem(s_RenameLabel);
|
|
if (noSelection)
|
|
{
|
|
menu.AddDisabledItem(s_DuplicateLabel);
|
|
menu.AddDisabledItem(s_DeleteLabel);
|
|
}
|
|
else
|
|
{
|
|
menu.AddItem(s_DuplicateLabel, false, DuplicateSelection);
|
|
menu.AddItem(s_DeleteLabel, false, DeleteDataOfSelectedItems);
|
|
}
|
|
|
|
if (itemType != typeof(ActionMapTreeItem))
|
|
{
|
|
menu.AddSeparator("");
|
|
menu.AddItem(s_ExpandAllLabel, false, ExpandAll);
|
|
menu.AddItem(s_CollapseAllLabel, false, CollapseAll);
|
|
}
|
|
}
|
|
|
|
public void BuildMenuToAddBindings(GenericMenu menu, ActionTreeItem actionItem = null)
|
|
{
|
|
// Add entry to add "normal" bindings.
|
|
menu.AddItem(s_AddBindingLabel, false,
|
|
() =>
|
|
{
|
|
if (actionItem != null)
|
|
AddNewBinding(actionItem.property, actionItem.actionMapProperty);
|
|
else
|
|
AddNewBinding();
|
|
});
|
|
|
|
// Add one entry for each registered type of composite binding.
|
|
var expectedControlLayout = new InternedString(actionItem?.expectedControlLayout);
|
|
foreach (var compositeName in InputBindingComposite.s_Composites.internedNames.Where(x =>
|
|
!InputBindingComposite.s_Composites.aliases.Contains(x)).OrderBy(x => x))
|
|
{
|
|
// Skip composites we should hide from the UI.
|
|
var compositeType = InputBindingComposite.s_Composites.LookupTypeRegistration(compositeName);
|
|
var designTimeVisible = compositeType.GetCustomAttribute<DesignTimeVisibleAttribute>();
|
|
if (designTimeVisible != null && !designTimeVisible.Visible)
|
|
continue;
|
|
|
|
// If the action is expected a specific control layout, check
|
|
// whether the value type use by the composite matches that of
|
|
// the layout.
|
|
if (!expectedControlLayout.IsEmpty())
|
|
{
|
|
var valueType = InputBindingComposite.GetValueType(compositeName);
|
|
if (valueType != null &&
|
|
!InputControlLayout.s_Layouts.ValueTypeIsAssignableFrom(expectedControlLayout, valueType))
|
|
continue;
|
|
}
|
|
|
|
var displayName = compositeType.GetCustomAttribute<DisplayNameAttribute>();
|
|
var niceName = displayName != null ? displayName.DisplayName.Replace('/', '\\') : ObjectNames.NicifyVariableName(compositeName) + " Composite";
|
|
menu.AddItem(new GUIContent($"Add {niceName}"), false,
|
|
() =>
|
|
{
|
|
if (actionItem != null)
|
|
AddNewComposite(actionItem.property, actionItem.actionMapProperty, compositeName);
|
|
else
|
|
AddNewComposite(compositeName);
|
|
});
|
|
}
|
|
}
|
|
|
|
private void PopUpContextMenu()
|
|
{
|
|
// See if we have a selection of mixed types.
|
|
var selected = GetSelectedItems().ToList();
|
|
var mixedSelection = selected.Select(x => x.GetType()).Distinct().Count() > 1;
|
|
var noSelection = selected.Count == 0;
|
|
|
|
// Create and pop up context menu.
|
|
var menu = new GenericMenu();
|
|
if (noSelection)
|
|
{
|
|
BuildContextMenuFor(rootItem.GetType(), menu, true, noSelection: noSelection);
|
|
}
|
|
else if (mixedSelection)
|
|
{
|
|
BuildContextMenuFor(typeof(ActionTreeItemBase), menu, true, noSelection: noSelection);
|
|
}
|
|
else
|
|
{
|
|
var item = selected.First();
|
|
BuildContextMenuFor(item.GetType(), menu, GetSelection().Count > 1, actionItem: item as ActionTreeItem);
|
|
}
|
|
menu.ShowAsContext();
|
|
}
|
|
|
|
protected override void ContextClickedItem(int id)
|
|
{
|
|
// When right-clicking an unselected item, TreeView does change the selection to the
|
|
// clicked item but the visual feedback only comes in the *next* repaint. This means that
|
|
// if we pop up a context menu right away here, the user does not correctly see which item
|
|
// is affected.
|
|
//
|
|
// So, instead we force a repaint and open the context menu on the next OnGUI() call. Note
|
|
// that we can't use something like EditorApplication.delayCall here as ShowAsContext()
|
|
// can only be called from UI callbacks (otherwise it will simply be ignored).
|
|
|
|
m_InitiateContextMenuOnNextRepaint = true;
|
|
Repaint();
|
|
|
|
Event.current.Use();
|
|
}
|
|
|
|
protected override void ContextClicked()
|
|
{
|
|
ClearSelection();
|
|
m_InitiateContextMenuOnNextRepaint = true;
|
|
Repaint();
|
|
|
|
Event.current.Use();
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Add New Items
|
|
|
|
/// <summary>
|
|
/// Add a new action map to the toplevel <see cref="InputActionAsset"/>.
|
|
/// </summary>
|
|
public void AddNewActionMap()
|
|
{
|
|
var actionMapProperty = InputActionSerializationHelpers.AddActionMap(serializedObject);
|
|
var actionProperty = InputActionSerializationHelpers.AddAction(actionMapProperty);
|
|
InputActionSerializationHelpers.AddBinding(actionProperty, actionMapProperty, groups: bindingGroupForNewBindings);
|
|
OnNewItemAdded(actionMapProperty);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Add new action to the currently active action map(s).
|
|
/// </summary>
|
|
public void AddNewAction()
|
|
{
|
|
foreach (var actionMapItem in GetSelectedItemsOrParentsOfType<ActionMapTreeItem>())
|
|
AddNewAction(actionMapItem.property);
|
|
}
|
|
|
|
public void AddNewAction(SerializedProperty actionMapProperty)
|
|
{
|
|
if (onHandleAddNewAction != null)
|
|
onHandleAddNewAction(actionMapProperty);
|
|
else
|
|
{
|
|
var actionProperty = InputActionSerializationHelpers.AddAction(actionMapProperty);
|
|
InputActionSerializationHelpers.AddBinding(actionProperty, actionMapProperty, groups: bindingGroupForNewBindings);
|
|
OnNewItemAdded(actionProperty);
|
|
}
|
|
}
|
|
|
|
public void AddNewBinding()
|
|
{
|
|
foreach (var actionItem in GetSelectedItemsOrParentsOfType<ActionTreeItem>())
|
|
AddNewBinding(actionItem.property, actionItem.actionMapProperty);
|
|
}
|
|
|
|
public void AddNewBinding(SerializedProperty actionProperty, SerializedProperty actionMapProperty)
|
|
{
|
|
var bindingProperty = InputActionSerializationHelpers.AddBinding(actionProperty, actionMapProperty,
|
|
groups: bindingGroupForNewBindings);
|
|
onBindingAdded?.Invoke(bindingProperty);
|
|
OnNewItemAdded(bindingProperty);
|
|
}
|
|
|
|
public void AddNewComposite(string compositeType)
|
|
{
|
|
foreach (var actionItem in GetSelectedItemsOrParentsOfType<ActionTreeItem>())
|
|
AddNewComposite(actionItem.property, actionItem.actionMapProperty, compositeType);
|
|
}
|
|
|
|
public void AddNewComposite(SerializedProperty actionProperty, SerializedProperty actionMapProperty, string compositeName)
|
|
{
|
|
var compositeType = InputBindingComposite.s_Composites.LookupTypeRegistration(compositeName);
|
|
if (compositeType == null)
|
|
throw new ArgumentException($"Cannot find composite registration for {compositeName}",
|
|
nameof(compositeName));
|
|
var compositeProperty = InputActionSerializationHelpers.AddCompositeBinding(actionProperty,
|
|
actionMapProperty, compositeName, compositeType, groups: bindingGroupForNewBindings);
|
|
onBindingAdded?.Invoke(compositeProperty);
|
|
OnNewItemAdded(compositeProperty);
|
|
}
|
|
|
|
private void OnNewItemAdded(SerializedProperty property)
|
|
{
|
|
OnSerializedObjectModified();
|
|
SelectItemAndBeginRename(property);
|
|
}
|
|
|
|
private void SelectItemAndBeginRename(SerializedProperty property)
|
|
{
|
|
var item = FindItemFor(property);
|
|
if (item == null)
|
|
{
|
|
// if we could not find the item, try clearing search filters.
|
|
ClearItemSearchFilterAndReload();
|
|
item = FindItemFor(property);
|
|
}
|
|
Debug.Assert(item != null, $"Cannot find newly created item for {property.propertyPath}");
|
|
SetExpandedRecursive(item.id, true);
|
|
SelectItem(item);
|
|
SetFocus();
|
|
FrameItem(item.id);
|
|
if (item.canRename)
|
|
BeginRename(item);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Drawing
|
|
|
|
public override void OnGUI(Rect rect)
|
|
{
|
|
if (m_InitiateContextMenuOnNextRepaint)
|
|
{
|
|
m_InitiateContextMenuOnNextRepaint = false;
|
|
PopUpContextMenu();
|
|
}
|
|
|
|
if (ReloadIfSerializedObjectHasBeenChanged())
|
|
return;
|
|
|
|
// Draw border rect.
|
|
EditorGUI.LabelField(rect, GUIContent.none, Styles.backgroundWithBorder);
|
|
rect.x += 1;
|
|
rect.y += 1;
|
|
rect.height -= 1;
|
|
rect.width -= 2;
|
|
|
|
if (drawHeader)
|
|
DrawHeader(ref rect);
|
|
|
|
base.OnGUI(rect);
|
|
|
|
HandleCopyPasteCommandEvent(Event.current);
|
|
}
|
|
|
|
private void DrawHeader(ref Rect rect)
|
|
{
|
|
var headerRect = rect;
|
|
headerRect.height = EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
|
|
|
|
rect.y += headerRect.height;
|
|
rect.height -= headerRect.height;
|
|
|
|
// Draw label.
|
|
EditorGUI.LabelField(headerRect, m_Title, Styles.columnHeaderLabel);
|
|
|
|
// Draw minus button.
|
|
var buttonRect = headerRect;
|
|
buttonRect.width = EditorGUIUtility.singleLineHeight;
|
|
buttonRect.x += rect.width - buttonRect.width - EditorGUIUtility.standardVerticalSpacing;
|
|
if (drawMinusButton)
|
|
{
|
|
var minusButtonDisabled = !HasSelection();
|
|
using (new EditorGUI.DisabledScope(minusButtonDisabled))
|
|
{
|
|
if (GUI.Button(buttonRect, minusIcon, GUIStyle.none))
|
|
DeleteDataOfSelectedItems();
|
|
}
|
|
|
|
buttonRect.x -= buttonRect.width + EditorGUIUtility.standardVerticalSpacing;
|
|
}
|
|
|
|
// Draw plus button.
|
|
if (drawPlusButton)
|
|
{
|
|
var plusIconDisabled = onBuildTree == null;
|
|
using (new EditorGUI.DisabledScope(plusIconDisabled))
|
|
{
|
|
if (GUI.Button(buttonRect, plusIcon, GUIStyle.none))
|
|
{
|
|
if (rootItem is ActionMapTreeItem mapItem)
|
|
{
|
|
AddNewAction(mapItem.property);
|
|
}
|
|
else if (rootItem is ActionTreeItem actionItem)
|
|
{
|
|
// Adding a composite has multiple options. Pop up a menu.
|
|
var menu = new GenericMenu();
|
|
BuildMenuToAddBindings(menu, actionItem);
|
|
menu.ShowAsContext();
|
|
}
|
|
else
|
|
{
|
|
AddNewActionMap();
|
|
}
|
|
}
|
|
|
|
buttonRect.x -= buttonRect.width + EditorGUIUtility.standardVerticalSpacing;
|
|
}
|
|
}
|
|
|
|
// Draw action properties button.
|
|
if (drawActionPropertiesButton && rootItem is ActionTreeItem item)
|
|
{
|
|
if (GUI.Button(buttonRect, s_ActionPropertiesIcon, GUIStyle.none))
|
|
onDoubleClick?.Invoke(item);
|
|
}
|
|
}
|
|
|
|
// For each item, we draw
|
|
// 1) color tag
|
|
// 2) foldout
|
|
// 3) display name
|
|
// 4) Line underneath item
|
|
|
|
private const int kColorTagWidth = 6;
|
|
private const int kFoldoutWidth = 15;
|
|
|
|
////FIXME: foldout hover region is way too large; partly overlaps the text of items
|
|
private bool DrawFoldout(Rect position, bool expandedState, GUIStyle style)
|
|
{
|
|
// We don't get the depth of the item we're drawing the foldout for but we can
|
|
// infer it by the amount that the given rectangle was indented.
|
|
var indent = (int)(position.x / kFoldoutWidth);
|
|
var indentLevel = EditorGUI.indentLevel;
|
|
|
|
// When drawing input actions in the input actions editor, we don't want to offset the foldout
|
|
// icon any further than the position that's passed in to this function, so take advantage of
|
|
// the fact that indentLevel is always zero in that editor.
|
|
position.x = EditorGUI.IndentedRect(position).x * Mathf.Clamp01(indentLevel) + kColorTagWidth + 2 + indent * kColorTagWidth;
|
|
|
|
position.width = kFoldoutWidth;
|
|
|
|
var hierarchyMode = EditorGUIUtility.hierarchyMode;
|
|
|
|
// We remove the editor indent level and set hierarchy mode to false when drawing the foldout
|
|
// arrow so that in the inspector we don't get additional padding on the arrow for the inspector
|
|
// gutter, and so that the indent level doesn't apply because we've done that ourselves.
|
|
EditorGUI.indentLevel = 0;
|
|
EditorGUIUtility.hierarchyMode = false;
|
|
|
|
var foldoutExpanded = EditorGUI.Foldout(position, expandedState, GUIContent.none, true, style);
|
|
|
|
EditorGUI.indentLevel = indentLevel;
|
|
EditorGUIUtility.hierarchyMode = hierarchyMode;
|
|
|
|
return foldoutExpanded;
|
|
}
|
|
|
|
protected override void RowGUI(RowGUIArgs args)
|
|
{
|
|
var item = (ActionTreeItemBase)args.item;
|
|
var isRepaint = Event.current.type == EventType.Repaint;
|
|
|
|
// Color tag at beginning of line.
|
|
var colorTagRect = EditorGUI.IndentedRect(args.rowRect);
|
|
colorTagRect.x += item.depth * kColorTagWidth;
|
|
colorTagRect.width = kColorTagWidth;
|
|
if (isRepaint)
|
|
item.colorTagStyle.Draw(colorTagRect, GUIContent.none, false, false, false, false);
|
|
|
|
// Text.
|
|
// NOTE: When renaming, the renaming overlay gets drawn outside of our control so don't draw the label in that case
|
|
// as otherwise it will peak out from underneath the overlay.
|
|
if (!args.isRenaming && isRepaint)
|
|
{
|
|
var text = item.displayName;
|
|
var textRect = GetTextRect(args.rowRect, item);
|
|
|
|
var style = args.selected ? Styles.selectedText : Styles.text;
|
|
|
|
if (item.showWarningIcon)
|
|
{
|
|
var content = new GUIContent(text, EditorGUIUtility.FindTexture("console.warnicon.sml"));
|
|
style.Draw(textRect, content, false, false, args.selected, args.focused);
|
|
}
|
|
else
|
|
style.Draw(textRect, text, false, false, args.selected, args.focused);
|
|
}
|
|
|
|
// Bottom line.
|
|
var lineRect = EditorGUI.IndentedRect(args.rowRect);
|
|
lineRect.y += lineRect.height - 1;
|
|
lineRect.height = 1;
|
|
if (isRepaint)
|
|
Styles.border.Draw(lineRect, GUIContent.none, false, false, false, false);
|
|
|
|
// For action items, add a dropdown menu to add bindings.
|
|
if (item is ActionTreeItem actionItem)
|
|
{
|
|
var buttonRect = args.rowRect;
|
|
buttonRect.x = buttonRect.width - (EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing);
|
|
buttonRect.width = EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
|
|
if (GUI.Button(buttonRect, s_PlusBindingIcon, GUIStyle.none))
|
|
{
|
|
var menu = new GenericMenu();
|
|
BuildMenuToAddBindings(menu, actionItem);
|
|
menu.ShowAsContext();
|
|
}
|
|
}
|
|
}
|
|
|
|
protected override float GetCustomRowHeight(int row, TreeViewItem item)
|
|
{
|
|
return 18;
|
|
}
|
|
|
|
protected override Rect GetRenameRect(Rect rowRect, int row, TreeViewItem item)
|
|
{
|
|
var textRect = GetTextRect(rowRect, item, false);
|
|
textRect.x += 2;
|
|
textRect.height -= 2;
|
|
return textRect;
|
|
}
|
|
|
|
private Rect GetTextRect(Rect rowRect, TreeViewItem item, bool applyIndent = true)
|
|
{
|
|
var indent = (item.depth + 1) * kColorTagWidth + kFoldoutWidth;
|
|
var textRect = applyIndent ? EditorGUI.IndentedRect(rowRect) : rowRect;
|
|
textRect.x += indent;
|
|
return textRect;
|
|
}
|
|
|
|
#endregion
|
|
|
|
// Undo is a problem. When an undo or redo is performed, the SerializedObject may change behind
|
|
// our backs which means that the information shown in the tree may be outdated now.
|
|
//
|
|
// We do have the Undo.undoRedoPerformed global callback but because PropertyDrawers
|
|
// have no observable life cycle, we cannot always easily hook into the callback and force a reload
|
|
// of the tree. Also, while returning false from PropertyDrawer.CanCacheInspectorGUI() might one make suspect that
|
|
// a PropertyDrawer would automatically be thrown away and recreated if the SerializedObject
|
|
// is modified by undo, that does not happen in practice.
|
|
//
|
|
// We could just Reload() the tree all the time but TreeView.Reload() itself forces a repaint and
|
|
// this will thus easily lead to infinite repaints.
|
|
//
|
|
// So, what we do is make use of the built-in dirty count we can get for Unity objects. If the count
|
|
// changes and it wasn't caused by us, we reload the tree. Means we still reload unnecessarily if
|
|
// some other property on a component changes but at least we don't reload all the time.
|
|
//
|
|
// A positive side-effect is that we will catch *any* change to the SerializedObject, not just
|
|
// undo/redo and we can do so without having to hook into Undo.undoRedoPerformed anywhere.
|
|
|
|
private void OnSerializedObjectModified()
|
|
{
|
|
serializedObject.ApplyModifiedProperties();
|
|
UpdateSerializedObjectDirtyCount();
|
|
Reload();
|
|
onSerializedObjectModified?.Invoke();
|
|
}
|
|
|
|
public void UpdateSerializedObjectDirtyCount()
|
|
{
|
|
m_SerializedObjectDirtyCount = serializedObject != null ? EditorUtility.GetDirtyCount(serializedObject.targetObject) : 0;
|
|
}
|
|
|
|
private bool ReloadIfSerializedObjectHasBeenChanged()
|
|
{
|
|
var oldCount = m_SerializedObjectDirtyCount;
|
|
UpdateSerializedObjectDirtyCount();
|
|
if (oldCount != m_SerializedObjectDirtyCount)
|
|
{
|
|
Reload();
|
|
onSerializedObjectModified?.Invoke();
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public SerializedObject serializedObject { get; }
|
|
public string bindingGroupForNewBindings { get; set; }
|
|
public new TreeViewItem rootItem => base.rootItem;
|
|
|
|
public Action onSerializedObjectModified { get; set; }
|
|
public Action onSelectionChanged { get; set; }
|
|
public Action<ActionTreeItemBase> onDoubleClick { get; set; }
|
|
public Action<ActionTreeItemBase> onBeginRename { get; set; }
|
|
public Func<TreeViewItem> onBuildTree { get; set; }
|
|
public Action<SerializedProperty> onBindingAdded { get; set; }
|
|
|
|
public bool drawHeader { get; set; }
|
|
public bool drawPlusButton { get; set; }
|
|
public bool drawMinusButton { get; set; }
|
|
public bool drawActionPropertiesButton { get; set; }
|
|
|
|
public Action<SerializedProperty> onHandleAddNewAction { get; set; }
|
|
|
|
public (string, string) title
|
|
{
|
|
get => (m_Title?.text, m_Title?.tooltip);
|
|
set => m_Title = new GUIContent(value.Item1, value.Item2);
|
|
}
|
|
|
|
public new float totalHeight
|
|
{
|
|
get
|
|
{
|
|
var height = base.totalHeight;
|
|
if (drawHeader)
|
|
height += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
|
|
height += 1; // Border.
|
|
return height;
|
|
}
|
|
}
|
|
|
|
public ActionTreeItemBase this[string path]
|
|
{
|
|
get
|
|
{
|
|
var item = FindItemByPath(path);
|
|
if (item == null)
|
|
throw new KeyNotFoundException(path);
|
|
return item;
|
|
}
|
|
}
|
|
|
|
private GUIContent plusIcon
|
|
{
|
|
get
|
|
{
|
|
if (rootItem is ActionMapTreeItem)
|
|
return s_PlusActionIcon;
|
|
if (rootItem is ActionTreeItem)
|
|
return s_PlusBindingIcon;
|
|
return s_PlusActionMapIcon;
|
|
}
|
|
}
|
|
|
|
private GUIContent minusIcon => s_DeleteSectionIcon;
|
|
|
|
private FilterCriterion[] m_ItemFilterCriteria;
|
|
private GUIContent m_Title;
|
|
private bool m_InitiateContextMenuOnNextRepaint;
|
|
private bool m_ForceAcceptRename;
|
|
private int m_SerializedObjectDirtyCount;
|
|
|
|
private static readonly GUIContent s_AddBindingLabel = EditorGUIUtility.TrTextContent("Add Binding");
|
|
private static readonly GUIContent s_AddActionLabel = EditorGUIUtility.TrTextContent("Add Action");
|
|
private static readonly GUIContent s_AddActionMapLabel = EditorGUIUtility.TrTextContent("Add Action Map");
|
|
private static readonly GUIContent s_PlusBindingIcon = EditorGUIUtility.TrIconContent("Toolbar Plus More", "Add Binding");
|
|
private static readonly GUIContent s_PlusActionIcon = EditorGUIUtility.TrIconContent("Toolbar Plus", "Add Action");
|
|
private static readonly GUIContent s_PlusActionMapIcon = EditorGUIUtility.TrIconContent("Toolbar Plus", "Add Action Map");
|
|
private static readonly GUIContent s_DeleteSectionIcon = EditorGUIUtility.TrIconContent("Toolbar Minus", "Delete Selection");
|
|
private static readonly GUIContent s_ActionPropertiesIcon = EditorGUIUtility.TrIconContent("Settings", "Action Properties");
|
|
|
|
private static readonly GUIContent s_CutLabel = EditorGUIUtility.TrTextContent("Cut");
|
|
private static readonly GUIContent s_CopyLabel = EditorGUIUtility.TrTextContent("Copy");
|
|
private static readonly GUIContent s_PasteLabel = EditorGUIUtility.TrTextContent("Paste");
|
|
private static readonly GUIContent s_DeleteLabel = EditorGUIUtility.TrTextContent("Delete");
|
|
private static readonly GUIContent s_DuplicateLabel = EditorGUIUtility.TrTextContent("Duplicate");
|
|
private static readonly GUIContent s_RenameLabel = EditorGUIUtility.TrTextContent("Rename");
|
|
private static readonly GUIContent s_ExpandAllLabel = EditorGUIUtility.TrTextContent("Expand All");
|
|
private static readonly GUIContent s_CollapseAllLabel = EditorGUIUtility.TrTextContent("Collapse All");
|
|
|
|
public static string SharedResourcesPath = "Packages/com.unity.inputsystem/InputSystem/Editor/AssetEditor/Resources/";
|
|
public static string ResourcesPath
|
|
{
|
|
get
|
|
{
|
|
if (EditorGUIUtility.isProSkin)
|
|
return SharedResourcesPath + "pro/";
|
|
return SharedResourcesPath + "personal/";
|
|
}
|
|
}
|
|
|
|
public struct FilterCriterion
|
|
{
|
|
public enum Type
|
|
{
|
|
ByName,
|
|
ByBindingGroup,
|
|
ByDeviceLayout,
|
|
}
|
|
|
|
public enum Match
|
|
{
|
|
Success,
|
|
Failure,
|
|
None,
|
|
}
|
|
|
|
public string text;
|
|
public Type type;
|
|
|
|
public static string k_BindingGroupTag = "g:";
|
|
public static string k_DeviceLayoutTag = "d:";
|
|
|
|
public Match Matches(ActionTreeItemBase item)
|
|
{
|
|
Debug.Assert(item != null, "Item cannot be null");
|
|
|
|
switch (type)
|
|
{
|
|
case Type.ByName:
|
|
{
|
|
// NOTE: Composite items have names (and part bindings in a way, too) but we don't filter on them.
|
|
if (item is ActionMapTreeItem || item is ActionTreeItem)
|
|
{
|
|
var matchesSelf = item.displayName.Contains(text, StringComparison.InvariantCultureIgnoreCase);
|
|
|
|
// Name filters behave recursively. I.e. if any item in the subtree is matched by the name filter,
|
|
// the item is included.
|
|
if (!matchesSelf && CheckChildrenFor(Match.Success, item))
|
|
return Match.Success;
|
|
|
|
return matchesSelf ? Match.Success : Match.Failure;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case Type.ByBindingGroup:
|
|
{
|
|
if (item is BindingTreeItem bindingItem)
|
|
{
|
|
// For composites, succeed the match if any children match.
|
|
if (item is CompositeBindingTreeItem)
|
|
return CheckChildrenFor(Match.Success, item) ? Match.Success : Match.Failure;
|
|
|
|
// Items that are in no binding group match any binding group.
|
|
if (string.IsNullOrEmpty(bindingItem.groups))
|
|
return Match.Success;
|
|
|
|
var groups = bindingItem.groups.Split(InputBinding.Separator);
|
|
var bindingGroup = text;
|
|
return groups.Any(x => x.Equals(bindingGroup, StringComparison.InvariantCultureIgnoreCase))
|
|
? Match.Success
|
|
: Match.Failure;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case Type.ByDeviceLayout:
|
|
{
|
|
if (item is BindingTreeItem bindingItem)
|
|
{
|
|
// For composites, succeed the match if any children match.
|
|
if (item is CompositeBindingTreeItem)
|
|
return CheckChildrenFor(Match.Success, item) ? Match.Success : Match.Failure;
|
|
|
|
var deviceLayout = InputControlPath.TryGetDeviceLayout(bindingItem.path);
|
|
return string.Equals(deviceLayout, text, StringComparison.InvariantCultureIgnoreCase)
|
|
|| InputControlLayout.s_Layouts.IsBasedOn(new InternedString(deviceLayout), new InternedString(text))
|
|
? Match.Success
|
|
: Match.Failure;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
return Match.None;
|
|
}
|
|
|
|
private bool CheckChildrenFor(Match match, ActionTreeItemBase item)
|
|
{
|
|
if (!item.hasChildren)
|
|
return false;
|
|
|
|
foreach (var child in item.children.OfType<ActionTreeItemBase>())
|
|
if (Matches(child) == match)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
public static FilterCriterion ByName(string name)
|
|
{
|
|
return new FilterCriterion {text = name, type = Type.ByName};
|
|
}
|
|
|
|
public static FilterCriterion ByBindingGroup(string group)
|
|
{
|
|
return new FilterCriterion {text = group, type = Type.ByBindingGroup};
|
|
}
|
|
|
|
public static FilterCriterion ByDeviceLayout(string layout)
|
|
{
|
|
return new FilterCriterion {text = layout, type = Type.ByDeviceLayout};
|
|
}
|
|
|
|
public static List<FilterCriterion> FromString(string criteria)
|
|
{
|
|
if (string.IsNullOrEmpty(criteria))
|
|
return null;
|
|
|
|
var list = new List<FilterCriterion>();
|
|
foreach (var substring in criteria.Tokenize())
|
|
{
|
|
if (substring.StartsWith(k_DeviceLayoutTag))
|
|
list.Add(ByDeviceLayout(substring.Substr(2).Unescape()));
|
|
else if (substring.StartsWith(k_BindingGroupTag))
|
|
list.Add(ByBindingGroup(substring.Substr(2).Unescape()));
|
|
else
|
|
list.Add(ByName(substring.ToString().Unescape()));
|
|
}
|
|
|
|
return list;
|
|
}
|
|
|
|
public static string ToString(IEnumerable<FilterCriterion> criteria)
|
|
{
|
|
var builder = new StringBuilder();
|
|
foreach (var criterion in criteria)
|
|
{
|
|
if (builder.Length > 0)
|
|
builder.Append(' ');
|
|
|
|
if (criterion.type == Type.ByBindingGroup)
|
|
builder.Append(k_BindingGroupTag);
|
|
else if (criterion.type == Type.ByDeviceLayout)
|
|
builder.Append(k_DeviceLayoutTag);
|
|
|
|
builder.Append(criterion.text);
|
|
}
|
|
return builder.ToString();
|
|
}
|
|
}
|
|
|
|
public static class Styles
|
|
{
|
|
public static readonly GUIStyle text = new GUIStyle("Label").WithAlignment(TextAnchor.MiddleLeft);
|
|
public static readonly GUIStyle selectedText = new GUIStyle("Label").WithAlignment(TextAnchor.MiddleLeft).WithNormalTextColor(Color.white);
|
|
public static readonly GUIStyle backgroundWithoutBorder = new GUIStyle("Label")
|
|
.WithNormalBackground(AssetDatabase.LoadAssetAtPath<Texture2D>(ResourcesPath + "actionTreeBackgroundWithoutBorder.png"));
|
|
public static readonly GUIStyle border = new GUIStyle("Label")
|
|
.WithNormalBackground(AssetDatabase.LoadAssetAtPath<Texture2D>(ResourcesPath + "actionTreeBackground.png"))
|
|
.WithBorder(new RectOffset(0, 0, 0, 1));
|
|
public static readonly GUIStyle backgroundWithBorder = new GUIStyle("Label")
|
|
.WithNormalBackground(AssetDatabase.LoadAssetAtPath<Texture2D>(ResourcesPath + "actionTreeBackground.png"))
|
|
.WithBorder(new RectOffset(3, 3, 3, 3))
|
|
.WithMargin(new RectOffset(4, 4, 4, 4));
|
|
public static readonly GUIStyle columnHeaderLabel = new GUIStyle(EditorStyles.toolbar)
|
|
.WithAlignment(TextAnchor.MiddleLeft)
|
|
.WithFontStyle(FontStyle.Bold)
|
|
.WithPadding(new RectOffset(10, 6, 0, 0));
|
|
}
|
|
|
|
// Just so that we can tell apart TreeViews containing only maps.
|
|
internal class ActionMapListItem : TreeViewItem
|
|
{
|
|
}
|
|
}
|
|
}
|
|
#endif // UNITY_EDITOR
|