File: SettingsUI.js

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/*
 * Copyright (C) 2014 Google 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:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
 * OWNER OR 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.
 */
UI.SettingsUI = {};

/**
 * @param {string} name
 * @param {!Common.Setting} setting
 * @param {boolean=} omitParagraphElement
 * @param {string=} tooltip
 * @return {!Element}
 */
UI.SettingsUI.createSettingCheckbox = function(name, setting, omitParagraphElement, tooltip) {
  var label = UI.createCheckboxLabel(name);
  if (tooltip)
    label.title = tooltip;

  var input = label.checkboxElement;
  input.name = name;
  UI.SettingsUI.bindCheckbox(input, setting);

  if (omitParagraphElement)
    return label;

  var p = createElement('p');
  p.appendChild(label);
  return p;
};

/**
 * @param {!Element} input
 * @param {!Common.Setting} setting
 */
UI.SettingsUI.bindCheckbox = function(input, setting) {
  function settingChanged() {
    if (input.checked !== setting.get())
      input.checked = setting.get();
  }
  setting.addChangeListener(settingChanged);
  settingChanged();

  function inputChanged() {
    if (setting.get() !== input.checked)
      setting.set(input.checked);
  }
  input.addEventListener('change', inputChanged, false);
};

/**
 * @param {string} name
 * @param {!Element} element
 * @return {!Element}
 */
UI.SettingsUI.createCustomSetting = function(name, element) {
  var p = createElement('p');
  var fieldsetElement = p.createChild('fieldset');
  fieldsetElement.createChild('label').textContent = name;
  fieldsetElement.appendChild(element);
  return p;
};

/**
 * @param {!Common.Setting} setting
 * @return {!Element}
 */
UI.SettingsUI.createSettingFieldset = function(setting) {
  var fieldset = createElement('fieldset');
  fieldset.disabled = !setting.get();
  setting.addChangeListener(settingChanged);
  return fieldset;

  function settingChanged() {
    fieldset.disabled = !setting.get();
  }
};

/**
 * @interface
 */
UI.SettingUI = function() {};

UI.SettingUI.prototype = {
  /**
   * @return {?Element}
   */
  settingElement() {}
};