zui/src/less/views/uploader.less

一个基于 Bootstrap 深度定制开源前端实践方案，帮助你快速构建现代跨屏应用。

/// ========================================================================
/// ZUI: tree.less
/// http://openzui.com
/// ========================================================================
/// Copyright 2016 cnezsoft.com; Licensed MIT
/// ========================================================================


// Uploader container style

.uploader {
  margin-bottom: @line-height-computed;
  position: relative;
}

.uploader-btn-hidden {
  position: absolute;
  top: -1px;
  left: -1px;
  opacity: 0;
  width: 1px;
  height: 1px;
}


// File drag and drop

.file-dragable {position: relative}
[data-drop-placeholder]:before {
  content: attr(data-drop-placeholder);
  display: block;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 2px dashed @color-warning;
  background-color: fade(@color-warning-pale, 50%);
  z-index: 100;
  font-size: 16px;
  transition: all @animation-speed-fast;
  text-align: center;
  pointer-events: none;
  .opacity(0);
  transform: scale(.95);
  pointer-events: none;

  .ie & {display: none!important}
}
.file-dragable[data-drop-placeholder]:before {
  .opacity(1);
  transform: scale(1);
  .ie & {display: block!important; display: flex!important}
}
.file-drag-enter[data-drop-placeholder]:before {
  border-style: solid;
  background-color: @color-warning-pale;
}
.ie .file-drag-enter.file-dragable > .uploader-message {
  pointer-events: none;
}


// File list

.uploader-files, .file-list {
  min-height: 32px;
  position: relative;
  border: 1px solid @color-gray-light;
  margin-bottom: @line-height-computed/2;

  &[data-drag-placeholder] {
    &:before {
      display: block;
      position: absolute;
      right: 0;
      left: 0;
      content: attr(data-drag-placeholder);
      text-align: center;
      color: @color-gray-light;
      line-height: 32px;
      top: 50%;
      margin-top: -15px;
      transition: all @animation-speed-normal;
      pointer-events: none;
    }

    &:hover:before {
      color: @color-gray;
    }
  }

  .file-icon {
    position: relative;
    width: 32px;
    height: 32px;
    line-height: 32px;
    text-align: center;
    .opacity(.7);
    transition: opacity @animation-speed-normal;
  }

  .file-icon-image {
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    background-color: @color-white;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    border: 1px solid @color-gray-light;
  }

  .file-name {
    text-decoration: none;
    transition: all @animation-speed-fast;

    &[contenteditable] {
      background-color: @color-white;
      outline: 1px solid @color-primary;
      padding: 0 5px;
      box-shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 6px lighten(@color-primary, 20%);
    }
  }

  .file-name,
  .file-size {
    .nobr();
    text-overflow: ellipsis;
  }

  .file-renaming {
    .file-name[contenteditable] {text-overflow: initial;}
  }

  .file:hover .file-name {color: @color-primary;}
  .file:hover .file-icon {opacity: 1;}

  .file-status {
    display: inline-block;
    text-align: right;
    line-height: 20px;

    &:hover {
      background-color: rgba(0,0,0,.07);
    }

    > .icon {
      vertical-align: middle;
      line-height: 20px;
      transition: all @animation-speed-slow;
      transform: scale(1);
      opacity: 1;

      &:before {content: @icon-check-circle;}
    }

    > .text {
      display: inline-block;
      padding: 0 6px;
      line-height: 20px;
      font-size: 12px;

      &:empty {display: none}
    }
  }

  .file[data-status="uploading"] .file-status {
    > .icon {
      transform: scale(0);
      .opacity(0);
    }

    > .text {
      border-radius: 10px;
      background-color: @color-primary;
      color: #fff;
    }
  }

  .file[data-status="queue"] .file-status {color: @color-warning;}
  .file[data-status="queue"] .file-status > .icon:before {content: @icon-cloud-upload;}
  .file[data-status="failed"] .file-status {color: @color-danger;}
  .file[data-status="failed"] .file-status > .icon:before {content: @icon-warning-sign;}
  .file[data-status="done"] .file-status {color: @color-success;}

  .file .actions > .btn-reset-file,
  .file .actions > .btn-download-file,
  .file[data-status="failed"] .actions > .btn-rename-file,
  .file[data-status="uploading"] .actions > .btn,
  .file[data-status="done"] .actions > .btn {display: none}
  .file[data-status="done"] .actions > .btn-download-file[href],
  &.file-show-rename-action-on-done .file[data-status="done"] .actions > .btn-rename-file,
  &.file-show-delete-action-on-done .file[data-status="done"] .actions > .btn-delete-file,
  .file[data-status="failed"] .actions > .btn-reset-file {display: inline-block;}

  &.file-rename-by-click [data-status="queue"] .file-name:hover {
    background-color: rgba(255,255,255,.5);
    box-shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 6px lighten(@color-primary, 20%);
  }

  .file-progress-bar {
    position: absolute;
    z-index: 10;
    background-color: fade(@color-primary, 10%);
    left: 0;
    top: 0;
    bottom: 0;
    .opacity(0);
    box-shadow: inset 0 -2px @color-primary;
    transition: width .6s ease, opacity @animation-speed-normal;
    pointer-events: none;
  }

  .file[data-status="uploading"] .file-progress-bar {.opacity(1);}
  .file[data-status="queue"] {background-color: @color-warning-pale;}
  .file[data-status="failed"] {background-color: @color-danger-pale;}
  .file[data-status="done"] {background-color: @color-white;}
}


// Uploader actions

.uploader-actions {
  background-color: @color-gray-pale;

  .file-list + & {
    border: 1px solid @color-gray-light;
    border-top: none;
    margin-top: -@line-height-computed/2;
  }

  .uploader-status {
    line-height: 20px;
    padding: 5px 10px;
  }
}


// Uploader message
.uploader-message {
  color: @color-white;
  background: @color-primary;
  padding: 5px 10px;
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1;
  .opacity(.95);

  > .close {
    position: absolute;
    top: 3px;
    right: 10px;
    color: inherit;
    opacity: .4;
    text-shadow: none;

    &:hover {opacity: 1;}
  }

  &[data-type="danger"] {background: @color-danger;}
  &[data-type="warning"] {background: @color-warning;}
  &[data-type="info"] {background: @color-info;}
  &[data-type="success"] {background: @color-success;}
}


// File in file list

.file-list {
  .file {
    position: relative;
    z-index: 0;
    transition: background @animation-speed-normal;
    background-color: @color-white;

    + .file {
      border-top: 1px solid @color-gray-light;
    }
  }

  .file-wrapper {
    position: relative;
    z-index: 2;
    display: table;
    table-layout: fixed;
    width: 100%;
    transition: background @animation-speed-normal;

    &:hover {
      background-color: rgba(0,0,0,.05);
    }

    > .file-icon,
    > .content,
    > .actions {
      display: table-cell;
      vertical-align: middle;
    }

    > .actions {
      width: 150px;
      text-align: right;

      > .btn {
        padding: 5px 8px;

        &:hover {
          background-color: rgba(0,0,0,.07);
        }
      }
    }
  }

  .file-name {
    display: block;
  }

  .file-wrapper > .content > .file-name {float: left;}
  .file-wrapper > .content > .file-size {float: right; margin-top: 2px;}
  .file-wrapper > .actions > .btn {border-radius: 0;}

  .file-status {
    padding: 5px;
  }
}


// Large file list

.file-list-lg {
  .file {min-height: 50px;}

  .file-icon {
    width: 50px;
    line-height: 50px;
    .icon {
      display: block;
      font-size: 28px;
      width: 50px;
      line-height: 50px;
      text-align: center;
      position: relative;
    }

    .icon-file-o {
      position: relative;
      left: -2px;
    }
  }

  .file-status {line-height: 40px;}
  .file-status > .icon {font-size: 20px;}
  .file[data-status="done"] .file-status {padding: 5px 12px;}

  .file-wrapper > .content > .file-name {
    float: none;
    line-height: 20px;
  }

  .file-wrapper > .content > .file-size {
    float: none;
    line-height: 14px;
  }

  .file-wrapper > .actions > .btn {
    padding: 14px 8px;
  }

  .file-renaming {
    .file-name[contenteditable] {
      line-height: 34px;
      font-size: 14px;
    }
    .file-wrapper > .content > .file-size {display: none}
  }
}


// File list grid

.file-list-grid {
  margin-left: -8px;
  margin-right: -8px;
  border: none;
  .clearfix-mixin();

  .file {
    float: left;
    width: 120px;
    height: 120px;
    margin: 8px 8px 35px 8px;
    display: block;
    border: 1px solid @color-gray-light;
    border-radius: @border-radius-base;
  }

  .file .file-icon {
    display: block;
    width: 118px;
    height: 118px;
    overflow: hidden;
  }

  .file-icon > .icon {
    font-size: 70px;
    line-height: 118px;
  }

  .file-icon-image {
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    border: none;
  }

  .file-wrapper {
    display: block;
    width: auto;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
  }

  .file-wrapper > .content {
    display: block;
    left: -1px;
    right: -1px;
    text-align: center;
    position: absolute;
    bottom: -24px;
    transition: all @animation-speed-fast;
  }
  .file-wrapper > .content > .file-name {
    float: none;
    line-height: 16px;
    padding: 4px 0;
    position: relative;
    z-index: 5;
    border: 1px solid transparent;
  }
  .file-wrapper > .content > .file-size {
    line-height: 18px;
    display: block;
    position: absolute;
    top: -24px;
    left: 4px;
    padding: 0 5px;
    border-radius: 9px;
    background-color: #808080;
    background-color: rgba(0,0,0,.5);
    color: #fff;
    .opacity(0);
    transition: opacity @animation-speed-normal;
  }
  .file-renaming .file-wrapper > .content > .file-name,
  .file-wrapper > .content:hover > .file-name {
    word-break: break-all;
    text-overflow: initial;
    white-space: normal;
    border-color: @color-gray-light;
    background-color: @color-white;
    box-shadow: none;

  }
  .file-renaming .file-wrapper > .content > .file-name {
    padding: 4px;
    text-align: left;
  }
  .file[data-status="uploading"] .file-wrapper > .content > .file-size,
  .file:hover .file-wrapper > .content > .file-size {.opacity(1);}

  .file-wrapper > .actions {
    display: block;
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    width: 118px;
  }

  .file-wrapper:hover > .actions {background: rgba(255,255,255,.85)}

  .file-wrapper > .actions > .file-status {
    position: absolute;
    left: 0;
    top: 0;
    padding: 4px 5px;
    height: 28px;

    > .icon {
      display: inline-block;
      position: relative;
      font-size: 21px;
      top: -1px;
      text-shadow: -1px -1px 0 @color-white, 1px -1px 0 @color-white, -1px 1px 0 @color-white, 1px 1px 0 @color-white;
    }

    > .text {padding: 0;}
  }

  .file[data-status="failed"] .file-wrapper > .actions > .file-status > .icon {
    font-size: 14px;
    text-shadow: none;
  }
  .file[data-status="uploading"] .file-wrapper > .actions > .file-status > .text {
    position: absolute;
    top: 4px;
    left: 4px;
    padding: 0 8px;
  }
  .file[data-status="failed"] .file-wrapper > .actions > .file-status {
    background-color: @color-danger;
    color: @color-white;
    padding: 0 8px;
    border-radius: 10px;
    height: 20px;
    top: 4px;
    left: 4px;
  }

  .file-wrapper > .actions > .btn {
    padding: 3px 6px;
    .opacity(0);
  }

  .file-wrapper:hover > .actions > .btn {.opacity(1);}

  .file-progress-bar {
    box-shadow: inset 0 -4px @color-primary;
  }

  + .uploader-actions {border: none}
}