ambari/ambari-web/app/views/wizard/step2_view.js

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * 'License'); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


var App = require('app');

App.SshKeyFileUploader = Em.View.extend({
  //TODO: rewrite it using tagName and attribute binding
  //TODO: rewrite it as independent component and place it somewhere in utils
  // alternative is to move it to App.WizardStep2View
  template: Em.Handlebars.compile('<input type="file" {{bindAttr disabled="view.disabled"}} />'),

  classNames: ['ssh-key-input-indentation'],

  change: function (e) {
    var self = this;
    if (e.target.files && e.target.files.length == 1) {
      var file = e.target.files[0];
      var reader = new FileReader();

      reader.onload = (function () {
        return function (e) {
          $('#sshKey').html(e.target.result);
          self.get("controller").setSshKey(e.target.result);
        };
      })(file);
      reader.readAsText(file);
    }
  }

});

App.WizardStep2View = Em.View.extend({

  templateName: require('templates/wizard/step2'),

  didInsertElement: function () {
    App.popover($("[rel=popover]"), {'placement': 'right', 'trigger': 'hover'});
    //todo: move them to conroller
    this.set('controller.hostsError', null);
    this.set('controller.sshKeyError', null);
  },

  /**
   * Is manualInstall selected
   * @type {bool}
   */
  sshKeyState: function () {
    return this.get("controller.content.installOptions.manualInstall");
  }.property("controller.content.installOptions.manualInstall"),

  /**
   * Is File API available
   * @type {bool}
   * TODO: incupsulate it inside of App.SshKeyFileUploader
   */
  isFileApi: function () {
    /* istanbul ignore next */
    return window.File && window.FileReader && window.FileList;
  }.property(),

  /**
   * Checkbox for activate SSH fields
   * @type {Ember.Checkbox}
   * TODO: replace next 2 properties with new one used in both places
   */
  providingSSHKeyRadioButton: Em.Checkbox.extend({

    tagName: 'input',

    attributeBindings: ['type', 'checked'],

    checked: function () {
      return this.get('controller.content.installOptions.useSsh');
    }.property('controller.content.installOptions.useSsh'),

    type: 'radio',

    click: function () {
      this.set('controller.content.installOptions.useSsh', true);
      this.set('controller.content.installOptions.manualInstall', false);
    }
  }),

  /**
   * Checkbox for manual registration
   * @type {Ember.Checkbox}
   */
  manualRegistrationRadioButton: Em.Checkbox.extend({
    tagName: 'input',

    attributeBindings: ['type', 'checked'],

    type: 'radio',

    checked: function () {
      return this.get('controller.content.installOptions.manualInstall');
    }.property('controller.content.installOptions.manualInstall'),

    click: function () {
      this.set('controller.content.installOptions.manualInstall', true);
      this.set('controller.content.installOptions.useSsh', false);
    }
  }),

  /**
   * Textarea with ssh-key
   * @type {Ember.TextField}
   */
  textFieldView: Em.TextField.extend({

    /**
     * Is textfield disabled
     * @type {bool}
     */
    disabled: function () {
      return !this.get('isEnabled');
    }.property('isEnabled')
  })

});