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gaia/apps/clock/js/picker/picker.js

@@ -0,0 +1,91 @@
+define(function(require) {
+  'use strict';
+  var Spinner = require('picker/spinner');
+
+  /**
+   * Picker
+   *
+   * Create an inline "picker", comprised of n "spinners".
+   *
+   * @param {Object} setup An object containing setup data.
+   *                       - element, The container element.
+   *                       - pickers, an object whose properties
+   *                         correspond to a Picker that will
+   *                         be created.
+   *
+   *
+   * new Picker({
+   *   element: 'time-picker',
+   *   pickers: {
+   *     hours: {
+   *       range: [0, 24],
+   *       l10nId: 'nSpinnerHours'
+   *     },
+   *     minutes: {
+   *       range: [0, 60],
+   *       isPadded: true,
+   *       l10nId: 'nSpinnerMinutes'
+   *     }
+   *   }
+   * });
+   *
+   */
+  function Picker(setup) {
+    this.nodes = {};
+    this.spinners = {};
+    this.pickers = Object.keys(setup.pickers);
+
+    this.pickers.forEach(function(picker) {
+      var values = [];
+      var range = setup.pickers[picker].range;
+      var isPadded = setup.pickers[picker].isPadded || false;
+
+      this.nodes[picker] = setup.element.querySelector('.picker-' + picker);
+
+      for (var i = range[0]; i <= range[1]; i++) {
+        values.push(i);
+      }
+
+      this.spinners[picker] = new Spinner({
+        element: this.nodes[picker],
+        values: values,
+        isPadded: isPadded,
+        l10nId: setup.pickers[picker].l10nId
+      });
+    }, this);
+  }
+
+  Picker.prototype = {
+    get value() {
+      // Protect against uninitialized [[Get]] access
+      if (typeof this.pickers === 'undefined') {
+        return null;
+      }
+
+      return this.pickers.map(function(picker) {
+        return this.spinners[picker].value;
+      }, this).join(':');
+    },
+
+    set value(value) {
+      // Protect against uninitialized [[Set]] access
+      if (typeof this.pickers === 'undefined') {
+        return null;
+      }
+
+      value.split(':').forEach(function(value, i) {
+        this.spinners[this.pickers[i]].value = value;
+      }, this);
+
+      return this.value;
+    },
+
+    reset: function() {
+      this.pickers.forEach(function(picker) {
+        this.spinners[picker].reset();
+      }, this);
+    }
+  };
+
+  return Picker;
+});