table 中的叠加行菜单

Overlaying row menu in a table

我想在行尾显示行菜单(右对齐并覆盖行内容):

  1. 当用户将鼠标悬停在一行上时,行菜单应该覆盖该行。
  2. 当用户点击一行时,行菜单应该被镶嵌在行中。

这是我的代码:https://jsfiddle.net/etbsf3n8/6

HTML:

<table class="table table-hover">
<thead>
    <tr>
      <th>#</th>
      <th>Type of content</th>
      <th>Content with menu</th>
    </tr>
</thead>
<tbody>

    <tr>
        <th>1</th>
        <td>Text</td>
        <td>
            <div class="table-menu">
                <div class="btn-group" role="group" aria-label="...">
                    <button type="button" class="btn btn-default">
                        <span class="glyphicon glyphicon-star-empty"></span>
                    </button>
                    <button type="button" class="btn btn-default">
                        <span class="glyphicon glyphicon glyphicon-copy"></span>
                    </button>
                    <button type="button" class="btn btn-default">
                        <span class="glyphicon glyphicon-remove"></span>
                    </button>
                </div>
            </div>
            Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo. Nullam dictum felis eu pede mollis pretium. Integer tincidunt. Cras dapibus. Vivamus elementum semper nisi. Aenean vulputate eleifend tellus. Aenean leo ligula, porttitor eu, consequat vitae, eleifend ac, enim.
        </td>
    </tr>

    <tr>
        <th>2</th>
        <td>Table</td>
        <td>
          <div class="table-menu">
              <div class="btn-group" role="group" aria-label="...">
                  <button type="button" class="btn disabled btn-default">
                      <span class="glyphicon glyphicon-star-empty"></span>
                  </button>
                  <button type="button" class="btn btn-default">
                      <span class="glyphicon glyphicon glyphicon-copy"></span>
                  </button>
                  <button type="button" class="btn btn-default">
                      <span class="glyphicon glyphicon-remove"></span>
                  </button>
              </div>
          </div>
            <table style="width:100%;">
                <tr>
                    <th>Shape</th>
                    <th>Price</th>
                    <th>Quantity</th>
                </tr>
                <tr>
                    <td>Ball</td>
                    <td></td>
                    <td>10</td>
                </tr>
                <tr>
                    <td>Cube</td>
                    <td></td>
                    <td>50</td>
                </tr>
            </table>
        </td>
    </tr>

    <tr>
      <th>3</th>
      <td>Inline</td>
      <td>
          <div class="table-menu">
              <div class="btn-group" role="group" aria-label="...">
                  <button type="button" class="btn btn-default">
                      <span class="glyphicon glyphicon-star-empty"></span>
                  </button>
                  <button type="button" class="btn btn-default">
                      <span class="glyphicon glyphicon glyphicon-copy"></span>
                  </button>
                  <button type="button" class="btn btn-default">
                      <span class="glyphicon glyphicon-remove"></span>
                  </button>
              </div>
          </div>
          <div style="display:inline;background:red;">Red</div>
          <div style="display:inline;background:orange;">Orange</div>
          <div style="display:inline;background:yellow;">Yellow</div>
          <div style="display:inline;background:green;">Green</div>
          <div style="display:inline;background:blue;">Blue</div>
          <div style="display:inline;background:violet;">Violet</div>
          <div style="display:inline;">What what ?</div>
      </td>
    </tr>

    <tr>
      <th>4</th>
      <td>Inline-block</td>
      <td>
          <div class="table-menu">
              <div class="btn-group" role="group" aria-label="...">
                  <button type="button" class="btn disabled btn-default">
                      <span class="glyphicon glyphicon-star-empty"></span>
                  </button>
                  <button type="button" class="btn btn-default">
                      <span class="glyphicon glyphicon glyphicon-copy"></span>
                  </button>
                  <button type="button" class="btn btn-default">
                      <span class="glyphicon glyphicon-remove"></span>
                  </button>
              </div>
          </div>
          <div style="display:inline-block;background:#fee;">
              Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu.
          </div>
          <div style="display:inline-block;background:#efe;">
              In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo. Nullam dictum felis eu pede mollis pretium. Integer tincidunt. Cras dapibus. Vivamus elementum semper nisi. Aenean vulputate eleifend tellus. Aenean leo ligula, porttitor eu, consequat vitae, eleifend ac, enim.
          </div>
      </td>
    </tr>

  </tbody>
</table>

Javascript:

$(document.body).on("click", "tr", function() {
    var row$ = $(this);
    if (isActivableMenu(row$)){
        activeMenu(row$, !isMenuActived(row$))
    }
});

$(document.body).on("click", ".table-menu", function(event) {
    event.stopPropagation();
});

function activeMenu(row, value) {
    var row$ = $(row);
    var menu$ = $(row$.find(".table-menu"));
    if (value){
        row$.addClass("active");
        menu$.addClass("table-menu-active");
    }
    else
    {
        row$.removeClass("active");
        menu$.removeClass("table-menu-active");
    }
}

function isMenuActived(row$) {
    return $(row$).find(".table-menu-active").length > 0;
}

function isActivableMenu(row$) {
    return $(row$).find(".table-menu").length > 0;
}

CSS:

.table-menu
{
    display: none;
}

tr:hover td .table-menu, tr:hover th .table-menu
{
    display: inline;
    float: right;
}

.table-menu-active
{
    display: inline;
    float: right;
}

我的问题在第 2 行和第 4 行。行菜单不覆盖行内容,而是在行内容之上。

如何创建覆盖行内容的菜单?

看到这个fiddle

我把你的CSS改了一点如下

tr:hover td .table-menu, tr:hover th .table-menu {
    display: inline;
    position: absolute;
    right: 0;
    top: 0;
}

position:absolute;right:0;top:0; 结合使用,使其显示为右上角的叠加层。

更新

为了使绝对定位的 div 始终保持在 table 的左侧,我在下面添加了 CSS

.table{ position:relative; }

fiddle