webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 96 insertions, 0 deletions

diff --git a/Source/WebInspectorUI/UserInterface/Views/TreeOutlineGroup.js b/Source/WebInspectorUI/UserInterface/Views/TreeOutlineGroup.js
new file mode 100644
index 000000000..f649b8ecf
--- /dev/null
+++ b/Source/WebInspectorUI/UserInterface/Views/TreeOutlineGroup.js
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+WebInspector.TreeOutlineGroup = class TreeOutlineGroup extends WebInspector.Collection
+{
+    constructor()
+    {
+        super((object) => object instanceof WebInspector.TreeOutline);
+    }
+
+    // Static
+
+    static groupForTreeOutline(treeOutline)
+    {
+        return treeOutline[WebInspector.TreeOutlineGroup.GroupForTreeOutlineSymbol] || null;
+    }
+
+    // Public
+
+    get selectedTreeElement()
+    {
+        for (let treeOutline of this.items) {
+            if (treeOutline.selectedTreeElement)
+                return treeOutline.selectedTreeElement;
+        }
+
+        return null;
+    }
+
+    // Protected
+
+    itemAdded(treeOutline)
+    {
+        console.assert(!treeOutline[WebInspector.TreeOutlineGroup.GroupForTreeOutlineSymbol]);
+        treeOutline[WebInspector.TreeOutlineGroup.GroupForTreeOutlineSymbol] = this;
+
+        if (treeOutline.selectedTreeElement)
+            this._removeConflictingTreeSelections(treeOutline.selectedTreeElement);
+    }
+
+    itemRemoved(treeOutline)
+    {
+        console.assert(treeOutline[WebInspector.TreeOutlineGroup.GroupForTreeOutlineSymbol] === this);
+        treeOutline[WebInspector.TreeOutlineGroup.GroupForTreeOutlineSymbol] = null;
+    }
+
+    didSelectTreeElement(treeElement)
+    {
+        // Called by TreeOutline.
+
+        if (!treeElement)
+            return;
+
+        this._removeConflictingTreeSelections(treeElement);
+    }
+
+    // Private
+
+    _removeConflictingTreeSelections(treeElement)
+    {
+        let selectedTreeOutline = treeElement.treeOutline;
+        console.assert(selectedTreeOutline, "Should have a parent tree outline.");
+
+        for (let treeOutline of this.items) {
+            if (selectedTreeOutline === treeOutline)
+                continue;
+
+            if (treeOutline.selectedTreeElement)
+                treeOutline.selectedTreeElement.deselect();
+        }
+    }
+};
+
+WebInspector.TreeOutlineGroup.GroupForTreeOutlineSymbol = Symbol("group-for-tree-outline");