moved to root

2026-06-11 14:09:53 +12:00
parent cbf3f085d0
commit a2784f684b
2151 changed files with 0 additions and 0 deletions
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2017, 2018 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+WI.TreeOutlineGroup = class TreeOutlineGroup extends WI.Collection
+{
+    // Public
+
+    objectIsRequiredType(object)
+    {
+        return object instanceof WI.TreeOutline;
+    }
+
+    get selectedTreeElement()
+    {
+        for (let treeOutline of this) {
+            if (treeOutline.selectedTreeElement)
+                return treeOutline.selectedTreeElement;
+        }
+
+        return null;
+    }
+
+    // Protected
+
+    itemAdded(treeOutline)
+    {
+        if (treeOutline.selectedTreeElement)
+            this._removeConflictingTreeSelections(treeOutline);
+
+        treeOutline.addEventListener(WI.TreeOutline.Event.SelectionDidChange, this._treeOutlineSelectionDidChange, this);
+    }
+
+    itemRemoved(treeOutline)
+    {
+        treeOutline.removeEventListener(WI.TreeOutline.Event.SelectionDidChange, this._treeOutlineSelectionDidChange, this);
+    }
+
+    // Private
+
+    _removeConflictingTreeSelections(selectedTreeOutline)
+    {
+        for (let treeOutline of this) {
+            if (selectedTreeOutline === treeOutline)
+                continue;
+
+            treeOutline.selectedTreeElement = null;
+        }
+    }
+
+    _treeOutlineSelectionDidChange(event)
+    {
+        let treeOutline = event.target;
+        if (!treeOutline.selectedTreeElement)
+            return;
+
+        this._removeConflictingTreeSelections(treeOutline);
+    }
+};