1 files changed, 187 insertions, 0 deletions
diff --git a/Source/WebInspectorUI/UserInterface/Views/MultipleScopeBarItem.js b/Source/WebInspectorUI/UserInterface/Views/MultipleScopeBarItem.js
new file mode 100644
index 000000000..53b479fa5
--- /dev/null
+++ b/Source/WebInspectorUI/UserInterface/Views/MultipleScopeBarItem.js
@@ -0,0 +1,187 @@
+/*
+ * Copyright (C) 2015 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.MultipleScopeBarItem = class MultipleScopeBarItem extends WebInspector.Object
+{
+    constructor(scopeBarItems)
+    {
+        super();
+
+        this._element = document.createElement("li");
+        this._element.classList.add("multiple");
+
+        this._titleElement = document.createElement("span");
+        this._element.appendChild(this._titleElement);
+        this._element.addEventListener("click", this._clicked.bind(this));
+
+        this._selectElement = document.createElement("select");
+        this._selectElement.addEventListener("change", this._selectElementSelectionChanged.bind(this));
+        this._element.appendChild(this._selectElement);
+
+        this._element.appendChild(useSVGSymbol("Images/UpDownArrows.svg", "arrows"));
+
+        this.scopeBarItems = scopeBarItems;
+    }
+
+    // Public
+
+    get element()
+    {
+        return this._element;
+    }
+
+    get exclusive()
+    {
+        return false;
+    }
+
+    get scopeBarItems()
+    {
+        return this._scopeBarItems;
+    }
+
+    set scopeBarItems(scopeBarItems)
+    {
+        if (this._scopeBarItems) {
+            for (var scopeBarItem of this._scopeBarItems)
+                scopeBarItem.removeEventListener(null, null, this);
+        }
+
+        this._scopeBarItems = scopeBarItems || [];
+        this._selectedScopeBarItem = null;
+
+        this._selectElement.removeChildren();
+
+        function createOption(scopeBarItem)
+        {
+            var optionElement = document.createElement("option");
+            var maxPopupMenuLength = 130; // <rdar://problem/13445374> <select> with very long option has clipped text and popup menu is still very wide
+            optionElement.textContent = scopeBarItem.label.length <= maxPopupMenuLength ? scopeBarItem.label : scopeBarItem.label.substring(0, maxPopupMenuLength) + ellipsis;
+            return optionElement;
+        }
+
+        for (var scopeBarItem of this._scopeBarItems) {
+            if (scopeBarItem.selected && !this._selectedScopeBarItem)
+                this._selectedScopeBarItem = scopeBarItem;
+            else if (scopeBarItem.selected) {
+                // Only one selected item is allowed at a time.
+                // Deselect any other items after the first.
+                scopeBarItem.selected = false;
+            }
+
+            scopeBarItem.addEventListener(WebInspector.ScopeBarItem.Event.SelectionChanged, this._itemSelectionDidChange, this);
+
+            this._selectElement.appendChild(createOption(scopeBarItem));
+        }
+
+        this._lastSelectedScopeBarItem = this._selectedScopeBarItem || this._scopeBarItems[0] || null;
+        this._titleElement.textContent = this._lastSelectedScopeBarItem ? this._lastSelectedScopeBarItem.label : "";
+
+        this._element.classList.toggle("selected", !!this._selectedScopeBarItem);
+        this._selectElement.selectedIndex = this._scopeBarItems.indexOf(this._selectedScopeBarItem);
+    }
+
+    get selected()
+    {
+        return !!this._selectedScopeBarItem;
+    }
+
+    set selected(selected)
+    {
+        this.selectedScopeBarItem = selected ? this._lastSelectedScopeBarItem : null;
+    }
+
+    get selectedScopeBarItem()
+    {
+        return this._selectedScopeBarItem;
+    }
+
+    set selectedScopeBarItem(selectedScopeBarItem)
+    {
+        this._ignoreItemSelectedEvent = true;
+
+        if (this._selectedScopeBarItem) {
+            this._selectedScopeBarItem.selected = false;
+            this._lastSelectedScopeBarItem = this._selectedScopeBarItem;
+        } else if (!this._lastSelectedScopeBarItem)
+            this._lastSelectedScopeBarItem = selectedScopeBarItem;
+
+        this._element.classList.toggle("selected", !!selectedScopeBarItem);
+        this._selectedScopeBarItem = selectedScopeBarItem || null;
+        this._selectElement.selectedIndex = this._scopeBarItems.indexOf(this._selectedScopeBarItem);
+
+        if (this._selectedScopeBarItem) {
+            this.displaySelectedItem();
+            this._selectedScopeBarItem.selected = true;
+        }
+
+        var withModifier = WebInspector.modifierKeys.metaKey && !WebInspector.modifierKeys.ctrlKey && !WebInspector.modifierKeys.altKey && !WebInspector.modifierKeys.shiftKey;
+        this.dispatchEventToListeners(WebInspector.ScopeBarItem.Event.SelectionChanged, {withModifier});
+
+        this._ignoreItemSelectedEvent = false;
+    }
+
+    displaySelectedItem()
+    {
+        this._titleElement.textContent = (this._selectedScopeBarItem || this._scopeBarItems[0]).label;
+    }
+
+    displayWidestItem()
+    {
+        let widestLabel = null;
+        let widestSize = 0;
+        for (let option of Array.from(this._selectElement.options)) {
+            this._titleElement.textContent = option.label;
+            if (this._titleElement.realOffsetWidth > widestSize) {
+                widestSize = this._titleElement.realOffsetWidth;
+                widestLabel = option.label;
+            }
+        }
+        this._titleElement.textContent = widestLabel;
+    }
+
+    // Private
+
+    _clicked(event)
+    {
+        // Only support click to select when the item is not selected yet.
+        // Clicking when selected will cause the menu it appear instead.
+        if (this._element.classList.contains("selected"))
+            return;
+        this.selected = true;
+    }
+
+    _selectElementSelectionChanged(event)
+    {
+        this.selectedScopeBarItem = this._scopeBarItems[this._selectElement.selectedIndex];
+    }
+
+    _itemSelectionDidChange(event)
+    {
+        if (this._ignoreItemSelectedEvent)
+            return;
+        this.selectedScopeBarItem = event.target.selected ? event.target : null;
+    }
+};