Code coverage report for src/js/base/module/Handle.js

# all files / src/js/base/module/ Handle.js

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42.86% Branches 6/14
71.43% Functions 10/14
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     import $ from 'jquery';
    import dom from '../core/dom';

    export default class Handle {
      constructor(context) {
        this.context = context;
        this.$document = $(document);
        this.$editingArea = context.layoutInfo.editingArea;
        this.options = context.options;
        this.lang = this.options.langInfo;

        this.events = {
          'summernote.mousedown': (we, e) => {
            Iif (this.update(e.target)) {
              e.preventDefault();
            }
          },
          'summernote.keyup summernote.scroll summernote.change summernote.dialog.shown': () => {
            this.update();
          },
          'summernote.disable': () => {
            this.hide();
          },
          'summernote.codeview.toggled': () => {
            this.update();
          }
        };
      }

      initialize() {
        this.$handle = $([
          '<div class="note-handle">',
          '<div class="note-control-selection">',
          '<div class="note-control-selection-bg"></div>',
          '<div class="note-control-holder note-control-nw"></div>',
          '<div class="note-control-holder note-control-ne"></div>',
          '<div class="note-control-holder note-control-sw"></div>',
          '<div class="',
          (this.options.disableResizeImage ? 'note-control-holder' : 'note-control-sizing'),
          ' note-control-se"></div>',
          (this.options.disableResizeImage ? '' : '<div class="note-control-selection-info"></div>'),
          '</div>',
          '</div>'
        ].join('')).prependTo(this.$editingArea);

        this.$handle.on('mousedown', (event) => {
          if (dom.isControlSizing(event.target)) {
            event.preventDefault();
            event.stopPropagation();

            const $target = this.$handle.find('.note-control-selection').data('target');
            const posStart = $target.offset();
            const scrollTop = this.$document.scrollTop();

            const onMouseMove = (event) => {
              this.context.invoke('editor.resizeTo', {
                x: event.clientX - posStart.left,
                y: event.clientY - (posStart.top - scrollTop)
              }, $target, !event.shiftKey);

              this.update($target[0]);
            };

            this.$document
              .on('mousemove', onMouseMove)
              .one('mouseup', (e) => {
                e.preventDefault();
                this.$document.off('mousemove', onMouseMove);
                this.context.invoke('editor.afterCommand');
              });

            if (!$target.data('ratio')) { // original ratio.
              $target.data('ratio', $target.height() / $target.width());
            }
          }
        });

        // Listen for scrolling on the handle overlay.
        this.$handle.on('wheel', (e) => {
          e.preventDefault();
          this.update();
        });
      }

      destroy() {
        this.$handle.remove();
      }

      update(target) {
        if (this.context.isDisabled()) {
          return false;
        }

        const isImage = dom.isImg(target);
        const $selection = this.$handle.find('.note-control-selection');

        this.context.invoke('imagePopover.update', target);

        Iif (isImage) {
          const $image = $(target);
          const position = $image.position();
          const pos = {
            left: position.left + parseInt($image.css('marginLeft'), 10),
            top: position.top + parseInt($image.css('marginTop'), 10)
          };

          // exclude margin
          const imageSize = {
            w: $image.outerWidth(false),
            h: $image.outerHeight(false)
          };

          $selection.css({
            display: 'block',
            left: pos.left,
            top: pos.top,
            width: imageSize.w,
            height: imageSize.h
          }).data('target', $image); // save current image element.

          const origImageObj = new Image();
          origImageObj.src = $image.attr('src');

          const sizingText = imageSize.w + 'x' + imageSize.h + ' (' + this.lang.image.original + ': ' + origImageObj.width + 'x' + origImageObj.height + ')';
          $selection.find('.note-control-selection-info').text(sizingText);
          this.context.invoke('editor.saveTarget', target);
        } else {
          this.hide();
        }

        return isImage;
      }

      /**
       * hide
       *
       * @param {jQuery} $handle
       */
      hide() {
        this.context.invoke('editor.clearTarget');
        this.$handle.children().hide();
      }
    }