复选框

复选框布局

复选框布局相当简单：

<!-- checkbox element -->
<label class="checkbox">
  <!-- checkbox input -->
  <input type="checkbox" />
  <!-- checkbox icon -->
  <i class="icon-checkbox"></i>
</label>

复选框组/列表

要创建复选框组/列表，我们需要使用列表视图一些附加内容：

<div class="list">
  <ul>
    <!-- Single checkbox item -->
    <li>
      <label class="item-checkbox item-content">
        <!-- Checkbox input -->
        <input type="checkbox" />
        <!-- Checkbox icon -->
        <i class="icon icon-checkbox"></i>
        <div class="item-inner">
          <!-- Checkbox Title -->
          <div class="item-title">Books</div>
        </div>
      </label>
    </li>
    <!-- Another checkbox item -->
    <li>
      <label class="item-checkbox item-content">
        <!-- Checked by default -->
        <input type="checkbox" checked />
        <i class="icon icon-checkbox"></i>
        <div class="item-inner">
          <div class="item-title">Music</div>
        </div>
      </label>
    </li>
    ...
  </ul>
</div>
  • item-content必须是一个<label>带有附加item-checkbox类
  • 复选框输入 (<input type="checkbox" />）必须是item-content
  • 复选框图标必须是后置复选框输入

不确定状态

Framework7 提供了不确定复选框状态的可视化支持。

在 HTML 中，无法通过属性设置此状态，只能通过 JavaScript 设置：

<input type="checkbox" id="my-checkbox" />
var checkboxEl = document.querySelector('#my-checkbox');
checkboxEl.indeterminate = true;

或使用 Dom7

var $checkboxEl = $('#my-checkbox');
$checkboxEl.prop('indeterminate', true);

但如果你使用路由组件那么它将自动检测此属性并将其设置为元素属性，因此它可以在模板中使用：

<input type="checkbox" {{#if something}}indeterminate{{/if}} id="my-checkbox" />

复选框图标位置

默认情况下，复选框列表项图标显示在列表项的开头。

并且可以覆盖此行为以指定复选框列表项图标的位置 - 在列表项的开头或结尾。

要做到这一点，我们需要添加额外的item-checkbox-icon-start或item-checkbox-icon-end添加额外的类到item-checkbox:

<!-- Additional "item-checkbox-icon-end" class will force checkbox icon to appear in the beginning of the list item for all themes -->
<li>
  <!-- Additional "item-checkbox-icon-end" class -->
  <label class="item-checkbox item-checkbox-icon-end item-content">
    <!-- Checkbox input -->
    <input type="checkbox" />
    <!-- Checkbox icon -->
    <i class="icon icon-checkbox"></i>
    <div class="item-inner">
      <!-- Checkbox Title -->
      <div class="item-title">Books</div>
    </div>
  </label>
</li>

CSS 变量

以下是相关CSS 变量(CSS 自定义属性) 的列表。

注意，注释掉的变量默认未指定，其值在这种情况下是它们回退到的值。

:root {
  /* --f7-checkbox-active-color: var(--f7-theme-color); */
  --f7-checkbox-icon-color: #fff;
  --f7-checkbox-extra-margin: 0px;
}
:root .dark,
:root.dark {
  --f7-checkbox-inactive-color: rgba(255, 255, 255, 0.3);
  --f7-checkbox-icon-color: #000;
}
.ios {
  --f7-checkbox-size: 22px;
  --f7-checkbox-border-radius: 50%;
  --f7-checkbox-border-width: 1px;
  --f7-checkbox-inactive-color: #c7c7cc;
}
.md {
  --f7-checkbox-size: 18px;
  --f7-checkbox-border-radius: 2px;
  --f7-checkbox-border-width: 2px;
  --f7-checkbox-inactive-color: #6d6d6d;
}

示例

checkbox.html
<template>
  <div class="page">
    <div class="navbar">
      <div class="navbar-bg"></div>
      <div class="navbar-inner sliding">
        <div class="title">Checkbox</div>
      </div>
    </div>
    <div class="page-content">
      <div class="block-title">Inline</div>
      <div class="block block-strong-ios block-outline-ios">
        <p>Lorem <label class="checkbox"><input type="checkbox" /><i class="icon-checkbox"></i></label> ipsum dolor sit
          amet, consectetur adipisicing elit. Alias beatae illo nihil aut eius commodi sint eveniet aliquid eligendi
          <label class="checkbox"><input type="checkbox" /><i class="icon-checkbox"></i></label> ad delectus impedit
          tempore nemo, enim vel praesentium consequatur nulla mollitia!
        </p>
      </div>
      <div class="block-title">Checkbox Group</div>
      <div class="list list-strong-ios list-outline-ios list-dividers-ios">
        <ul>
          <li>
            <label class="item-checkbox item-checkbox-icon-start item-content">
              <input type="checkbox" name="demo-checkbox" value="Books" checked />
              <i class="icon icon-checkbox"></i>
              <div class="item-inner">
                <div class="item-title">Books</div>
              </div>
            </label>
          </li>
          <li>
            <label class="item-checkbox item-checkbox-icon-start item-content">
              <input type="checkbox" name="demo-checkbox" value="Movies" />
              <i class="icon icon-checkbox"></i>
              <div class="item-inner">
                <div class="item-title">Movies</div>
              </div>
            </label>
          </li>
          <li>
            <label class="item-checkbox item-checkbox-icon-start item-content">
              <input type="checkbox" name="demo-checkbox" value="Food" />
              <i class="icon icon-checkbox"></i>
              <div class="item-inner">
                <div class="item-title">Food</div>
              </div>
            </label>
          </li>
          <li>
            <label class="item-checkbox item-checkbox-icon-start item-content">
              <input type="checkbox" name="demo-checkbox" value="Drinks" />
              <i class="icon icon-checkbox"></i>
              <div class="item-inner">
                <div class="item-title">Drinks</div>
              </div>
            </label>
          </li>
        </ul>
      </div>

      <div class="list list-strong-ios list-outline-ios list-dividers-ios">
        <ul>
          <li>
            <label class="item-checkbox item-checkbox-icon-end item-content">
              <input type="checkbox" name="demo-checkbox" value="Books" checked />
              <i class="icon icon-checkbox"></i>
              <div class="item-inner">
                <div class="item-title">Books</div>
              </div>
            </label>
          </li>
          <li>
            <label class="item-checkbox item-checkbox-icon-end item-content">
              <input type="checkbox" name="demo-checkbox" value="Movies" />
              <i class="icon icon-checkbox"></i>
              <div class="item-inner">
                <div class="item-title">Movies</div>
              </div>
            </label>
          </li>
          <li>
            <label class="item-checkbox item-checkbox-icon-end item-content">
              <input type="checkbox" name="demo-checkbox" value="Food" />
              <i class="icon icon-checkbox"></i>
              <div class="item-inner">
                <div class="item-title">Food</div>
              </div>
            </label>
          </li>
          <li>
            <label class="item-checkbox item-checkbox-icon-end item-content">
              <input type="checkbox" name="demo-checkbox" value="Drinks" />
              <i class="icon icon-checkbox"></i>
              <div class="item-inner">
                <div class="item-title">Drinks</div>
              </div>
            </label>
          </li>
        </ul>
      </div>

      <div class="block-title">Indeterminate State</div>
      <div class="list list-strong-ios list-outline-ios list-dividers-ios">
        <ul>
          <li>
            <label class="item-checkbox item-checkbox-icon-start item-content">
              <input type="checkbox" name="demo-checkbox" checked=${movies.length===2}
                indeterminate=${movies.length===1} @change=${onMoviesChange} />
              <i class="icon icon-checkbox"></i>
              <div class="item-inner">
                <div class="item-title">Movies</div>
              </div>
            </label>
            <ul>
              <li>
                <label class="item-checkbox item-checkbox-icon-start item-content">
                  <input type="checkbox" name="demo-checkbox" value="Movie 1" checked=${movies.indexOf('Movie 1')>= 0}
                  @change=${onMovieChange}
                  />
                  <i class="icon icon-checkbox"></i>
                  <div class="item-inner">
                    <div class="item-title">Movie 1</div>
                  </div>
                </label>
              </li>
              <li>
                <label class="item-checkbox item-checkbox-icon-start item-content">
                  <input type="checkbox" name="demo-checkbox" value="Movie 2" checked=${movies.indexOf('Movie 2')>= 0}
                  @change=${onMovieChange}
                  />
                  <i class="icon icon-checkbox"></i>
                  <div class="item-inner">
                    <div class="item-title">Movie 2</div>
                  </div>
                </label>
              </li>
            </ul>
          </li>
        </ul>
      </div>

      <div class="block-title">With Media Lists</div>
      <div class="list list-strong-ios list-outline-ios list-dividers-ios media-list">
        <ul>
          <li>
            <label class="item-checkbox item-checkbox-icon-start item-content">
              <input type="checkbox" name="demo-media-checkbox" value="1" />
              <i class="icon icon-checkbox"></i>
              <div class="item-inner">
                <div class="item-title-row">
                  <div class="item-title">Facebook</div>
                  <div class="item-after">17:14</div>
                </div>
                <div class="item-subtitle">New messages from John Doe</div>
                <div class="item-text">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla sagittis tellus ut
                  turpis condimentum, ut dignissim lacus tincidunt. Cras dolor metus, ultrices condimentum sodales sit
                  amet, pharetra sodales eros. Phasellus vel felis tellus. Mauris rutrum ligula nec dapibus feugiat. In
                  vel dui laoreet, commodo augue id, pulvinar lacus.</div>
              </div>
            </label>
          </li>
          <li>
            <label class="item-checkbox item-checkbox-icon-start item-content">
              <input type="checkbox" name="demo-media-checkbox" value="2" />
              <i class="icon icon-checkbox"></i>
              <div class="item-inner">
                <div class="item-title-row">
                  <div class="item-title">John Doe (via Twitter)</div>
                  <div class="item-after">17:11</div>
                </div>
                <div class="item-subtitle">John Doe (@_johndoe) mentioned you on Twitter!</div>
                <div class="item-text">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla sagittis tellus ut
                  turpis condimentum, ut dignissim lacus tincidunt. Cras dolor metus, ultrices condimentum sodales sit
                  amet, pharetra sodales eros. Phasellus vel felis tellus. Mauris rutrum ligula nec dapibus feugiat. In
                  vel dui laoreet, commodo augue id, pulvinar lacus.</div>
              </div>
            </label>
          </li>
          <li>
            <label class="item-checkbox item-checkbox-icon-start item-content">
              <input type="checkbox" name="demo-media-checkbox" value="3" />
              <i class="icon icon-checkbox"></i>
              <div class="item-inner">
                <div class="item-title-row">
                  <div class="item-title">Facebook</div>
                  <div class="item-after">16:48</div>
                </div>
                <div class="item-subtitle">New messages from John Doe</div>
                <div class="item-text">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla sagittis tellus ut
                  turpis condimentum, ut dignissim lacus tincidunt. Cras dolor metus, ultrices condimentum sodales sit
                  amet, pharetra sodales eros. Phasellus vel felis tellus. Mauris rutrum ligula nec dapibus feugiat. In
                  vel dui laoreet, commodo augue id, pulvinar lacus.</div>
              </div>
            </label>
          </li>
          <li>
            <label class="item-checkbox item-checkbox-icon-start item-content">
              <input type="checkbox" name="demo-media-checkbox" value="4" />
              <i class="icon icon-checkbox"></i>
              <div class="item-inner">
                <div class="item-title-row">
                  <div class="item-title">John Doe (via Twitter)</div>
                  <div class="item-after">15:32</div>
                </div>
                <div class="item-subtitle">John Doe (@_johndoe) mentioned you on Twitter!</div>
                <div class="item-text">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla sagittis tellus ut
                  turpis condimentum, ut dignissim lacus tincidunt. Cras dolor metus, ultrices condimentum sodales sit
                  amet, pharetra sodales eros. Phasellus vel felis tellus. Mauris rutrum ligula nec dapibus feugiat. In
                  vel dui laoreet, commodo augue id, pulvinar lacus.</div>
              </div>
            </label>
          </li>
        </ul>
      </div>
    </div>
  </div>
</template>
<script>
  export default (props, { $update }) => {
    let movies = ['Movie 1'];

    const onMovieChange = (e) => {
      var value = e.target.value;
      if (e.target.checked) {
        movies.push(value);
      } else {
        movies.splice(movies.indexOf(value), 1);
      }
      $update();
    }
    const onMoviesChange = (e) => {
      if (movies.length === 1 || movies.length === 0) {
        movies = ['Movie 1', 'Movie 2'];
      } else if (movies.length === 2) {
        movies = [];
      }
      $update();
    }

    return $render;
  };
</script>
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