Add polymer 1.0 to npm_modules

polymer_1.0.4/bower_components/iron-menu-behavior/iron-menu-behavior.html

Index: polymer_1.0.4/bower_components/iron-menu-behavior/iron-menu-behavior.html
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+<!--
+@license
+Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
+
+<link rel="import" href="../polymer/polymer.html">
+<link rel="import" href="../iron-selector/iron-multi-selectable.html">
+<link rel="import" href="../iron-a11y-keys-behavior/iron-a11y-keys-behavior.html">
+
+<script>
+
+  /**
+   * `Polymer.IronMenuBehavior` implements accessible menu behavior.
+   *
+   * @demo demo/index.html
+   * @polymerBehavior Polymer.IronMenuBehavior
+   */
+  Polymer.IronMenuBehaviorImpl = {
+
+    properties: {
+
+      /**
+       * Returns the currently focused item.
+       *
+       * @attribute focusedItem
+       * @type Object
+       */
+      focusedItem: {
+        observer: '_focusedItemChanged',
+        readOnly: true,
+        type: Object
+      },
+
+      /**
+       * The attribute to use on menu items to look up the item title. Typing the first
+       * letter of an item when the menu is open focuses that item. If unset, `textContent`
+       * will be used.
+       *
+       * @attribute attrForItemTitle
+       * @type String
+       */
+      attrForItemTitle: {
+        type: String
+      }
+    },
+
+    hostAttributes: {
+      'role': 'menu',
+      'tabindex': '0'
+    },
+
+    observers: [
+      '_updateMultiselectable(multi)'
+    ],
+
+    listeners: {
+      'focus': '_onFocus',
+      'keydown': '_onKeydown'
+    },
+
+    keyBindings: {
+      'up': '_onUpKey',
+      'down': '_onDownKey',
+      'esc': '_onEscKey',
+      'enter': '_onEnterKey',
+      'shift+tab:keydown': '_onShiftTabDown'
+    },
+
+    _updateMultiselectable: function(multi) {
+      if (multi) {
+        this.setAttribute('aria-multiselectable', 'true');
+      } else {
+        this.removeAttribute('aria-multiselectable');
+      }
+    },
+
+    _onShiftTabDown: function() {
+      var oldTabIndex;
+
+      Polymer.IronMenuBehaviorImpl._shiftTabPressed = true;
+
+      oldTabIndex = this.getAttribute('tabindex');
+
+      this.setAttribute('tabindex', '-1');
+
+      this.async(function() {
+        this.setAttribute('tabindex', oldTabIndex);
+        Polymer.IronMenuBehaviorImpl._shiftTabPressed = false;
+      // Note: polymer/polymer#1305
+      }, 1);
+    },
+
+    _applySelection: function(item, isSelected) {
+      if (isSelected) {
+        item.setAttribute('aria-selected', 'true');
+      } else {
+        item.removeAttribute('aria-selected');
+      }
+
+      Polymer.IronSelectableBehavior._applySelection.apply(this, arguments);
+    },
+
+    _focusedItemChanged: function(focusedItem, old) {
+      old && old.setAttribute('tabindex', '-1');
+      if (focusedItem) {
+        focusedItem.setAttribute('tabindex', '0');
+        focusedItem.focus();
+      }
+    },
+
+    select: function(value) {
+      if (this._defaultFocusAsync) {
+        this.cancelAsync(this._defaultFocusAsync);
+        this._defaultFocusAsync = null;
+      }
+      var item = this._valueToItem(value);
+      this._setFocusedItem(item);
+      Polymer.IronMultiSelectableBehaviorImpl.select.apply(this, arguments);
+    },
+
+    _onFocus: function(event) {
+      if (Polymer.IronMenuBehaviorImpl._shiftTabPressed) {
+        return;
+      }
+      // do not focus the menu itself
+      this.blur();
+      // clear the cached focus item
+      this._setFocusedItem(null);
+      this._defaultFocusAsync = this.async(function() {
+        // focus the selected item when the menu receives focus, or the first item
+        // if no item is selected
+        var selectedItem = this.multi ? (this.selectedItems && this.selectedItems[0]) : this.selectedItem;
+        if (selectedItem) {
+          this._setFocusedItem(selectedItem);
+        } else {
+          this._setFocusedItem(this.items[0]);
+        }
+      // async 100ms to wait for `select` to get called from `_itemActivate`
+      }, 100);
+    },
+
+    _onUpKey: function() {
+      // up and down arrows moves the focus
+      this._focusPrevious();
+    },
+
+    _onDownKey: function() {
+      this._focusNext();
+    },
+
+    _onEscKey: function() {
+      // esc blurs the control
+      this.focusedItem.blur();
+    },
+
+    _onEnterKey: function(event) {
+      // enter activates the item unless it is disabled
+      this._activateFocused(event.detail.keyboardEvent);
+    },
+
+    _onKeydown: function(event) {
+      if (this.keyboardEventMatchesKeys(event, 'up down esc enter')) {
+        return;
+      }
+
+      // all other keys focus the menu item starting with that character
+      this._focusWithKeyboardEvent(event);
+    },
+
+    _focusWithKeyboardEvent: function(event) {
+      for (var i = 0, item; item = this.items[i]; i++) {
+        var attr = this.attrForItemTitle || 'textContent';
+        var title = item[attr] || item.getAttribute(attr);
+        if (title && title.trim().charAt(0).toLowerCase() === String.fromCharCode(event.keyCode).toLowerCase()) {
+          this._setFocusedItem(item);
+          break;
+        }
+      }
+    },
+
+    _activateFocused: function(event) {
+      if (!this.focusedItem.hasAttribute('disabled')) {
+        this._activateHandler(event);
+      }
+    },
+
+    _focusPrevious: function() {
+      var length = this.items.length;
+      var index = (Number(this.indexOf(this.focusedItem)) - 1 + length) % length;
+      this._setFocusedItem(this.items[index]);
+    },
+
+    _focusNext: function() {
+      var index = (Number(this.indexOf(this.focusedItem)) + 1) % this.items.length;
+      this._setFocusedItem(this.items[index]);
+    }
+
+  };
+
+  Polymer.IronMenuBehaviorImpl._shiftTabPressed = false;
+
+  /** @polymerBehavior Polymer.IronMenuBehavior */
+  Polymer.IronMenuBehavior = [
+    Polymer.IronMultiSelectableBehavior,
+    Polymer.IronA11yKeysBehavior,
+    Polymer.IronMenuBehaviorImpl
+  ];
+
+</script>