master_template/resources/views/vendor/laravel-filemanager/resize.blade.php

<style>
  #work_space {
    padding: 30px;
    height: 100vw;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  @media screen and (min-width: 768px) {
    #work_space {
      width: unset;
      height: unset;
    }
  }
</style>

<div class="container">
  <div class="row">
    <div class="col-md-8 bg-light" id="work_space">
      <div id="containment" class="d-none d-md-inline">
        <img id="resize" src="{{ $img->url . '?timestamp=' . $img->time }}" height="{{ $height }}" width="{{ $width }}">
      </div>
      <div id="resize_mobile" style="background-image: url({{ $img->url . '?timestamp=' . $img->time }})" class="d-block d-md-none"></div>
    </div>
    <div class="col-md-4 pt-3">
      <table class="table table-compact table-striped">
        <thead></thead>
        <tbody>
          @if ($scaled)
          <tr>
            <td class="text-nowrap">{{ trans('laravel-filemanager::lfm.resize-ratio') }}</td>
            <td class="text-right">{{ number_format($ratio, 2) }}</td>
          </tr>
          <tr>
            <td class="text-nowrap">{{ trans('laravel-filemanager::lfm.resize-scaled') }}</td>
            <td class="text-right">
              {{ trans('laravel-filemanager::lfm.resize-true') }}
            </td>
          </tr>
          @endif
          <tr>
            <td class="text-nowrap">{{ trans('laravel-filemanager::lfm.resize-old-height') }}</td>
            <td class="text-right">{{ $original_height }}px</td>
          </tr>
          <tr>
            <td class="text-nowrap">{{ trans('laravel-filemanager::lfm.resize-old-width') }}</td>
            <td class="text-right">{{ $original_width }}px</td>
          </tr>
          <tr>
            <td class="text-nowrap" style="vertical-align: middle">{{ trans('laravel-filemanager::lfm.resize-new-height') }}</td>
            <td class="text-right"><input type="text" id="height_display" class="form-control w-50 d-inline mr-2" value="{{ $height }}">px</td>
          </tr>
          <tr>
            <td class="text-nowrap" style="vertical-align: middle">{{ trans('laravel-filemanager::lfm.resize-new-width') }}</td>
            <td class="text-right"><input type="text" id="width_display" class="form-control w-50 d-inline mr-2" value="{{ $width }}">px</td>
          </tr>
        </tbody>
      </table>
      <div class="d-flex mb-3">
        <button class="btn btn-secondary w-50 mr-1" onclick="loadItems()">{{ trans('laravel-filemanager::lfm.btn-cancel') }}</button>
        <button class="btn btn-primary w-50" onclick="doResize()">{{ trans('laravel-filemanager::lfm.btn-resize') }}</button>
      </div>

      <input type="hidden" id="img" name="img" value="{{ $img->name }}">
      <input type="hidden" name="ratio" value="{{ $ratio }}">
      <input type="hidden" name="scaled" value="{{ $scaled }}">
      <input type="hidden" id="original_height" name="original_height" value="{{ $original_height }}">
      <input type="hidden" id="original_width" name="original_width" value="{{ $original_width }}">
      <input type="hidden" id="height" name="height" value="{{ $height }}">
      <input type="hidden" id="width" name="width" value="{{ $width }}">
    </div>
  </div>
</div>

<script>
  $(document).ready(function () {
    renderResizedValues($("#width_display").val(), $("#height_display").val());

    $("#resize").resizable({
      aspectRatio: true,
      containment: "#containment",
      handles: "n, e, s, w, se, sw, ne, nw",
      resize: function (event, ui) {
        renderResizedValues(ui.size.width, ui.size.height);
      }
    });
  });

  $('#width_display, #height_display').change(function () {
    var newWidth = $("#width_display").val();
    var newHeight = $("#height_display").val();

    renderResizedValues(newWidth, newHeight);
    $("#containment > .ui-wrapper").width(newWidth).height(newHeight);
    $("#resize").width(newWidth).height(newHeight);
  });

  function renderResizedValues(newWidth, newHeight) {
    $("#width").val(newWidth);
    $("#height").val(newHeight);
    $("#width_display").val(newWidth);
    $("#height_display").val(newHeight);

    $('#resize_mobile').css('background-size', '100% 100%');

    if (newWidth < newHeight) {
      $('#resize_mobile').css('width', (newWidth / newHeight * 100) + '%').css('padding-bottom', '100%');
    } else if (newWidth > newHeight) {
      $('#resize_mobile').css('width', '100%').css('padding-bottom', (newHeight / newWidth * 100) + '%');
    } else { // newWidth === newHeight
      $('#resize_mobile').css('width', '100%').css('padding-bottom', '100%');
    }
  }

  function doResize() {
    performLfmRequest('doresize', {
      img: $("#img").val(),
      dataHeight: $("#height").val(),
      dataWidth: $("#width").val()
    }).done(loadItems);
  }
</script>