slate/components/core/SlateLayout.js

import * as React from "react";
import * as Constants from "~/common/constants";
import * as SVG from "~/common/svg";
import * as Strings from "~/common/strings";
import * as Window from "~/common/window";
import * as Validations from "~/common/validations";
import * as UserBehaviors from "~/common/user-behaviors";
import * as Events from "~/common/custom-events";

import SlateMediaObjectPreview from "~/components/core/SlateMediaObjectPreview";
import CTATransition from "~/components/core/CTATransition";

import { GlobalCarousel } from "~/components/system/components/GlobalCarousel";
import { CheckBox } from "~/components/system/components/CheckBox";
import { css } from "@emotion/react";
import { LoaderSpinner } from "~/components/system/components/Loaders";
import { Toggle } from "~/components/system/components/Toggle";
import { DynamicIcon } from "~/components/core/DynamicIcon";
import { Tooltip } from "~/components/core/Tooltip";
import {
  ButtonPrimary,
  ButtonSecondary,
  ButtonDisabled,
  ButtonWarning,
} from "~/components/system/components/Buttons";
import { GroupSelectable, Selectable } from "~/components/core/Selectable/";

//NOTE(martina): sets 200px as the standard width for a 1080px wide layout with 20px margin btwn images.
//If the container is larger or smaller, it scales accordingly by that factor
const MIN_SIZE = 10;
const SIZE = 200;
const MARGIN = 20;
const CONTAINER_SIZE = 5 * SIZE + 4 * MARGIN;
const TAG_HEIGHT = 20;

const SIZE_LIMIT = 1000000; //NOTE(martina): 1mb limit for twitter preview images

const generateLayout = (items) => {
  if (!items) {
    return [];
  }

  if (!items.length) {
    return [];
  }

  return (
    items.map((item, i) => {
      return {
        x: (i % 5) * (SIZE + MARGIN),
        y: 0,
        w: SIZE,
        h: 0,
        z: 0,
        id: item.id,
      };
    }) || []
  );
};

const preload = (item) =>
  new Promise((resolve, reject) => {
    if (!item.type || !Validations.isPreviewableImage(item.type)) {
      resolve(200);
    }
    const img = new Image();
    img.onload = () => {
      resolve((200 * img.height) / img.width);
    };
    img.onerror = reject;
    const url = item.url;
    img.src = url;
  });

const STYLES_MOBILE_HIDDEN = css`
  @media (max-width: ${Constants.sizes.mobile}px) {
    display: none;
  }
`;

const STYLES_COPY_INPUT = css`
  pointer-events: none;
  position: absolute;
  opacity: 0;
`;

const STYLES_LOADER = css`
  display: flex;
  align-items: center;
  justify-content: center;
  height: calc(100vh - 400px);
  width: 100%;
`;

const STYLES_EDIT_CONTAINER = css`
  border: 1px solid ${Constants.system.gray};
  padding: 24px;
  overflow: hidden;
`;

const STYLES_CONTAINER = css`
  width: 100%;
  position: relative;
  height: 100vh;
  z-index: ${Constants.zindex.body};
  overflow: hidden;
`;

const STYLES_CONTAINER_EDITING = css`
  ${STYLES_CONTAINER}
  background-image: radial-gradient(
    ${Constants.system.darkGray} 10%,
    transparent 0
  );
  background-size: 30px 30px;
  background-position: -50% -50%;
`;

const STYLES_BUTTONS_ROW = css`
  display: flex;
  flex-direction: row;
  align-items: center;
`;

const STYLES_TOOLTIP_ANCHOR = css`
  border: 1px solid #f2f2f2;
  background-color: ${Constants.system.white};
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
  justify-content: space-around;
  box-shadow: 0px 8px 24px rgba(178, 178, 178, 0.2);
  width: 275px;
  height: auto;
  position: absolute;
  top: 0px;
  left: 50px;
  z-index: ${Constants.zindex.tooltip};
`;

const STYLES_TOOLTIP_TEXT = css`
  padding: 0 12px 0 12px;
  font-family: ${Constants.font.text};
  font-size: 12px;
`;

const STYLES_TOGGLE_BOX = css`
  ${STYLES_BUTTONS_ROW}
  border: 1px solid ${Constants.system.gray};
  border-radius: 4px;
  height: 40px;
  padding: 0 16px;
`;

const STYLES_ITEM = css`
  position: absolute;
  transform-origin: top left;
  cursor: pointer;

  -webkit-touch-callout: none; /* iOS Safari */
  -webkit-user-select: none; /* Safari */
  -khtml-user-select: none; /* Konqueror HTML */
  -moz-user-select: none; /* Old versions of Firefox */
  -ms-user-select: none; /* Internet Explorer/Edge */
  user-select: none; /* Non-prefixed version, currently supported by Chrome, Edge, Opera and Firefox */
`;

const STYLES_ITEM_EDITING = css`
  ${STYLES_ITEM}
  cursor: grab;

  :active {
    cursor: grabbing;
  }
`;

const STYLES_FILE_TAG = css`
  font-family: ${Constants.font.text};
  color: ${Constants.system.grayBlack};
  display: flex;
  align-items: center;
  width: 100%;
  padding: 0 4px;
  background: ${Constants.system.white};
`;

const STYLES_FILE_NAME = css`
  width: 100%;
  min-width: 10%;
  overflow: hidden;
  text-wrap: nowrap;
  white-space: nowrap;
  text-overflow: ellipsis;
  text-align: left;
`;

const STYLES_FILE_TYPE = css`
  color: ${Constants.system.darkGray};
  text-transform: uppercase;
  flex-shrink: 0;
  margin-left: 16px;
  text-align: right;
`;

const STYLES_HANDLE_BOX = css`
  cursor: nwse-resize;
  position: absolute;
  bottom: 0px;
  right: 0px;
  height: 24px;
  width: 24px;
  background-color: rgba(248, 248, 248, 0.6);
  color: #4b4a4d;
  border-radius: 24px 0px 0px 0px;
`;

const STYLES_ACTION_BAR = css`
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: 4px;
  padding: 0px 32px;
  box-sizing: border-box;
  background-color: ${Constants.system.textGrayDark};
  width: 90vw;
  max-width: 878px;
  height: 48px;

  @media (max-width: ${Constants.sizes.mobile}px) {
    display: none;
  }
`;

const STYLES_ACTION_BAR_CONTAINER = css`
  position: fixed;
  bottom: 12px;
  left: 0px;
  width: 100vw;
  display: flex;
  justify-content: center;
  z-index: ${Constants.zindex.header};
  left: 10vw;
  width: 80vw;

  @media (max-width: ${Constants.sizes.mobile}px) {
    display: none;
  }
`;

const STYLES_RIGHT = css`
  flex-shrink: 0;
  display: flex;
  align-items: center;
`;

const STYLES_LEFT = css`
  width: 100%;
  min-width: 10%;
  display: flex;
  align-items: center;
`;

const STYLES_FILES_SELECTED = css`
  font-family: ${Constants.font.semiBold};
  color: ${Constants.system.white};

  @media (max-width: ${Constants.sizes.mobile}px) {
    display: none;
  }
`;

const STYLES_ICON_BOX = css`
  height: 32px;
  width: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin-left: 16px;
`;

const STYLES_ICON_CIRCLE = css`
  height: 24px;
  width: 24px;
  border-radius: 50%;
  background-color: rgba(248, 248, 248, 0.6);
  color: #4b4a4d;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin: 0 8px;
  -webkit-backdrop-filter: blur(25px);
  backdrop-filter: blur(25px);
`;

const STYLES_ICON_ROW = css`
  display: flex;
  flex-direction: row;
  position: absolute;
  left: calc(50% - 40px);
`;

export class SlateLayout extends React.Component {
  _ref;
  _input;
  keysPressed = {};

  state = {
    unit: 10,
    items: this.props.items,
    layout: this.props.layout || generateLayout(this.props.items),
    hover: null,
    containerHeight: 1000,
    prevLayouts: [],
    zIndexMax:
      this.props.layout && this.props.layout.length
        ? Math.max(...this.props.layout.map((pos) => pos.z)) + 1
        : 1,
    fileNames: this.props.fileNames,
    defaultLayout: this.props.layout ? this.props.defaultLayout : true,
    editing: false,
    show: false,
    checked: {},
    copyValue: "",
    tooltip: null,
    keyboardTooltip: false,
    signInModal: false,
  };

  componentDidMount = async () => {
    if (!this.state.editing) window.addEventListener("keydown", this._handleUncheckAll);
    this.debounceInstance = Window.debounce(this._recalculate, 250);
    window.addEventListener("resize", this.debounceInstance);
    await this.calculateUnit();
    if (this.props.layout) {
      let layout = await this.repairLayout(this.state.items);
      if (layout) {
        this.setState({ show: true, layout });
        this.props.onSaveLayout(
          {
            ver: "2.0",
            fileNames: this.state.fileNames,
            defaultLayout: this.state.defaultLayout,
            layout,
          },
          true
        );
      } else {
        this.setState({ show: true });
      }
    } else {
      let layout = await this.calculateLayout();
      this.props.onSaveLayout(
        {
          ver: "2.0",
          fileNames: this.state.fileNames,
          defaultLayout: this.state.defaultLayout,
          layout,
        },
        true
      );
      this.setState({ show: true, layout });
    }
    this.calculateContainer();
  };

  componentWillUnmount = () => {
    window.removeEventListener("resize", this.debounceInstance);
    if (this.state.editing) {
      window.removeEventListener("keydown", this._handleKeyDown);
      window.removeEventListener("keyup", this._handleKeyUp);
    } else {
      window.removeEventListener("keydown", this._handleUncheckAll);
    }
  };

  componentDidUpdate = async (prevProps) => {
    if (prevProps.items.length !== this.props.items.length) {
      //NOTE(martina): to handle when items are added / deleted from the slate, and recalculate the layout
      //NOTE(martina): if there is a case that allows simultaneous add / delete (aka modify but same length), this will not work.
      //would need to replace it with event listener + custom events
      let layout = await this.repairLayout(this.props.items);
      if (layout) {
        await this.setState({ layout, items: this.props.items });
        this.calculateContainer();
        if (!this.state.editing) {
          this.props.onSaveLayout(
            {
              ver: "2.0",
              fileNames: this.state.fileNames,
              defaultLayout: this.state.defaultLayout,
              layout,
            },
            true
          );
        }
      }
    }
  };

  _recalculate = async () => {
    let prevUnit = this.state.unit;
    await this.calculateUnit();
    this.setState({ containerHeight: this.state.containerHeight * (this.state.unit / prevUnit) });
  };

  calculateUnit = () => {
    let ref = this._ref;
    if (!ref) {
      return;
    }
    let unit = ref.clientWidth / CONTAINER_SIZE;
    if (unit === 0) {
      return;
    }
    this.setState({ unit });
  };

  calculateContainer = () => {
    let highestPoints = this.state.layout.map((pos) => {
      return pos.y + pos.h;
    });
    let containerHeight = Math.max(...highestPoints) * this.state.unit;
    this.setState({ containerHeight });
  };

  repairLayout = async (items, layouts) => {
    let defaultLayout = layouts ? layouts.defaultLayout : this.state.defaultLayout;
    let fileNames = layouts ? layouts.fileNames : this.state.fileNames;
    let layout = layouts ? this.cloneLayout(layouts.layout) : this.cloneLayout(this.state.layout);
    let layoutIds = layout.map((pos) => pos.id);
    let repairNeeded = false;
    if (items.length !== layout.length) {
      repairNeeded = true;
    }
    if (!repairNeeded && defaultLayout) {
      for (let i = 5; i < layout.length; i++) {
        if (!layout[i].y) {
          repairNeeded = true;
        }
      }
    }
    if (!repairNeeded && items.length === layout.length) {
      let itemIds = items.map((item) => item.id);
      for (let i = 0; i < itemIds.length; i++) {
        if (itemIds[i] !== layoutIds[i]) {
          repairNeeded = true;
          break;
        }
      }
      if (!repairNeeded) {
        return;
      }
    }
    let newLayout = new Array(items.length);
    for (let i = 0; i < items.length; i++) {
      let layoutIndex = layoutIds.indexOf(items[i].id);
      if (layoutIndex === -1) {
        continue;
      } else if (defaultLayout && layoutIndex >= 5 && !layout[layoutIndex].y) {
        //NOTE(martina): to catch ones that were not preloaded correctly before and patch them
        continue;
      } else {
        newLayout[i] = layout[layoutIndex];
      }
    }
    let added = [];
    for (let i = 0; i < newLayout.length; i++) {
      if (!newLayout[i]) {
        added.push(items[i]);
      }
    }
    let results = await Promise.allSettled(added.map((item) => preload(item)));
    let heights = results.map((result) => {
      if (result.status === "fulfilled") {
        return result.value;
      } else {
        return 200;
      }
    });
    let yMax;
    if (!defaultLayout) {
      let highestPoints = layout.map((pos) => {
        return pos.y + pos.h;
      });
      yMax = Math.max(...highestPoints) + MARGIN;
      if (fileNames) {
        yMax += TAG_HEIGHT;
      }
      yMax = yMax || 0;
    }
    let h = 0;
    for (let i = 0; i < newLayout.length; i++) {
      if (!newLayout[i]) {
        let itemAbove = h - 5 < 0 ? null : newLayout[i - 5];
        let height = heights[h];
        newLayout[i] = {
          x: defaultLayout ? (i % 5) * (SIZE + MARGIN) : (h % 5) * (SIZE + MARGIN),
          y: defaultLayout
            ? 0
            : itemAbove
            ? fileNames
              ? itemAbove.y + itemAbove.h + MARGIN + TAG_HEIGHT
              : itemAbove.y + itemAbove.h + MARGIN
            : yMax,
          h: height,
          w: SIZE,
          z: 0,
          id: items[i].id,
        };
        h += 1;
      }
    }
    if (defaultLayout) {
      for (let i = 0; i < newLayout.length; i++) {
        let itemAbove = i - 5 < 0 ? null : newLayout[i - 5];
        newLayout[i].x = (i % 5) * (SIZE + MARGIN);
        newLayout[i].y = itemAbove
          ? fileNames
            ? itemAbove.y + itemAbove.h + MARGIN + TAG_HEIGHT
            : itemAbove.y + itemAbove.h + MARGIN
          : 0;
      }
    }
    return newLayout;
  };

  calculateLayout = async (oldLayout) => {
    let heights = await this.calculateHeights();
    let layout = oldLayout ? oldLayout : this.state.layout;
    for (let i = 0; i < this.state.items.length; i++) {
      let height = heights[i];
      let itemAbove = i - 5 < 0 ? null : layout[i - 5];
      layout[i] = {
        x: (i % 5) * (SIZE + MARGIN),
        y: itemAbove
          ? this.state.fileNames
            ? itemAbove.y + itemAbove.h + MARGIN + TAG_HEIGHT
            : itemAbove.y + itemAbove.h + MARGIN
          : 0,
        w: SIZE,
        h: oldLayout && oldLayout.length > i ? oldLayout[i].h || height : height,
        z: 0,
        id: this.state.items[i].id,
      };
    }
    return layout;
  };

  calculateHeights = async () => {
    let results = await Promise.allSettled(
      this.state.items.map((item, i) => preload(item.coverImage ? item.coverImage : item, i))
    );
    let heights = results.map((result) => {
      if (result.status === "fulfilled") {
        return result.value || 200;
      } else {
        return 200;
      }
    });
    return heights;
  };

  cloneLayout = (layout) => {
    let copy = [];
    for (let pos of layout) {
      copy.push({ ...pos });
    }
    return copy;
  };

  _toggleEditing = async (e, discardChanges) => {
    if (this.state.editing) {
      window.removeEventListener("keydown", this._handleKeyDown);
      window.removeEventListener("keyup", this._handleKeyUp);
      if (discardChanges) {
        let layout = await this.repairLayout(this.state.items, this.state.savedProperties);
        let { fileNames, defaultLayout } = this.state.savedProperties;
        if (
          layout ||
          fileNames !== this.state.fileNames ||
          defaultLayout !== this.state.defaultLayout
        ) {
          this.props.onSaveLayout(
            {
              ver: "2.0",
              fileNames,
              defaultLayout,
              layout,
            },
            true
          );
        }
        await this.setState({
          editing: false,
          fileNames,
          defaultLayout,
          layout: layout ? layout : this.state.savedProperties.layout,
          prevLayouts: [],
        });
        this.calculateContainer();
      } else {
        await this.setState({ editing: false, prevLayouts: [] });
      }
    } else {
      window.addEventListener("keydown", this._handleKeyDown);
      window.addEventListener("keyup", this._handleKeyUp);
      await this.setState({
        editing: true,
        savedProperties: {
          defaultLayout: this.state.defaultLayout,
          fileNames: this.state.fileNames,
          layout: this.cloneLayout(this.state.layout),
        },
      });
    }
    this.calculateUnit();
  };

  _toggleFileNames = (e) => {
    if (!this.state.defaultLayout) {
      this.setState({
        fileNames: !this.state.fileNames,
        prevLayouts: [
          ...this.state.prevLayouts,
          {
            defaultLayout: this.state.defaultLayout,
            fileNames: this.state.fileNames,
            layout: this.cloneLayout(this.state.layout),
          },
        ],
      });
    } else {
      let layout = this.cloneLayout(this.state.layout);
      for (let i = 5; i < this.state.items.length; i++) {
        let itemAbove = layout[i - 5];
        if (this.state.fileNames) {
          layout[i].y = itemAbove.y + itemAbove.h + MARGIN;
        } else {
          layout[i].y = itemAbove.y + itemAbove.h + MARGIN + TAG_HEIGHT;
        }
      }
      this.setState({
        layout,
        fileNames: !this.state.fileNames,
        prevLayouts: [
          ...this.state.prevLayouts,
          {
            defaultLayout: this.state.defaultLayout,
            fileNames: this.state.fileNames,
            layout: this.cloneLayout(this.state.layout),
          },
        ],
      });
    }
  };

  _handleUncheckAll = (e) => {
    let numChecked = Object.keys(this.state.checked).length;
    if (!this.state.editing && e.keyCode === 27 && numChecked) this.setState({ checked: {} });
  };

  _handleKeyDown = (e) => {
    let prevValue = this.keysPressed[e.key];
    this.keysPressed[e.key] = true;
    if (
      (this.keysPressed["Control"] || this.keysPressed["Meta"]) &&
      this.keysPressed["z"] &&
      prevValue !== this.keysPressed[e.key]
    ) {
      e.preventDefault();
      e.stopPropagation();
      console.log(this.props.isMac);
      this._handleUndo();
    } else if (
      (this.keysPressed["Control"] || this.keysPressed["Meta"]) &&
      this.keysPressed["s"] &&
      prevValue !== this.keysPressed[e.key]
    ) {
      e.preventDefault();
      e.stopPropagation();
      this._handleSaveLayout();
    } else if (
      (this.keysPressed["Control"] || this.keysPressed["Meta"]) &&
      prevValue !== this.keysPressed[e.key]
    ) {
      e.preventDefault();
      e.stopPropagation();
    }
  };

  _handleKeyUp = (e) => {
    this.keysPressed[e.key] = false;
    this.keysPressed = {};
  };

  _handleUndo = () => {
    if (this.state.prevLayouts.length) {
      let prevLayouts = this.state.prevLayouts;
      let layouts = prevLayouts.pop();
      this.setState({ ...layouts, prevLayouts });
    }
  };

  _addSelectedItemsOnDrag = (e) => {
    let selectedItems = {};
    for (const i of e) {
      selectedItems[i] = true;
    }
    this.setState({ checked: { ...this.state.checked, ...selectedItems } });
  };

  _removeSelectedItemsOnDrag = (e) => {
    const selectedItems = { ...this.state.checked };
    for (const i in selectedItems) {
      selectedItems[i] = selectedItems[i] && !e.includes(+i);
      if (!selectedItems[i]) delete selectedItems[i];
    }
    this.setState({ checked: selectedItems, ...selectedItems });
  };

  _handleDragAndSelect = (e, { isAltDown }) => {
    if (isAltDown) {
      this._removeSelectedItemsOnDrag(e);
      return;
    }
    this._addSelectedItemsOnDrag(e);
  };

  _handleMouseDown = (e, i) => {
    e.stopPropagation();
    e.preventDefault();
    let layout = this.cloneLayout(this.state.layout);
    layout[i].z = this.state.zIndexMax;
    this.setState({
      xStart: e.clientX,
      yStart: e.clientY,
      dragIndex: i,
      origLayout: this.cloneLayout(layout),
      layout,
      zIndexMax: this.state.zIndexMax + 1,
      prevLayouts: [
        ...this.state.prevLayouts,
        {
          defaultLayout: this.state.defaultLayout,
          fileNames: this.state.fileNames,
          layout: this.cloneLayout(this.state.layout),
        },
      ],
    });
    window.addEventListener("mousemove", this._handleDrag);
    window.addEventListener("mouseup", this._handleMouseUp);
  };

  _handleDrag = (e) => {
    e.preventDefault();
    e.stopPropagation();
    let layout = this.cloneLayout(this.state.origLayout);
    let pos = layout[this.state.dragIndex];
    let dX = (e.clientX - this.state.xStart) / this.state.unit;
    let dY = (e.clientY - this.state.yStart) / this.state.unit;
    if (e.shiftKey) {
      if (Math.abs(dY) > Math.abs(dX)) {
        pos.y += dY;
      } else {
        pos.x += dX;
      }
    } else {
      pos.x += dX;
      pos.y += dY;
    }
    if (pos.x >= CONTAINER_SIZE || pos.x + pos.w <= 0 || pos.y + pos.h <= 0) {
      return;
    }
    this.setState({ layout });
  };

  _handleDownloadFiles = async () => {
    const selectedFiles = this.props.items.filter((_, i) => this.state.checked[i]);
    UserBehaviors.compressAndDownloadFiles({
      files: selectedFiles,
      resourceURI: this.props.resources.download,
    });
    this.setState({ checked: {} });
  };

  _handleMouseUp = (e) => {
    window.removeEventListener("mousemove", this._handleDrag);
    window.removeEventListener("mouseup", this._handleMouseUp);
    let layout = this.state.layout;
    let pos = layout[this.state.dragIndex];
    if (!e.ctrlKey && !e.metaKey) {
      pos.x = Math.round(pos.x / 10) * 10;
      pos.y = Math.round(pos.y / 10) * 10;
    }
    let state = { dragIndex: null, layout };
    if (this.state.defaultLayout) {
      if (e.clientX !== this.state.xStart || e.clientX !== this.state.yStart) {
        state.defaultLayout = false;
      }
    }
    if ((pos.y + pos.h) * this.state.unit > this.state.containerHeight) {
      state.containerHeight = (pos.y + pos.h) * this.state.unit;
    }
    this.setState(state);
  };

  _handleMouseDownResize = (e, i) => {
    e.stopPropagation();
    e.preventDefault();
    let layout = this.cloneLayout(this.state.layout);
    layout[i].z = this.state.zIndexMax;
    this.setState({
      xStart: e.clientX,
      yStart: e.clientY,
      dragIndex: i,
      origLayout: this.cloneLayout(layout),
      layout,
      zIndexMax: this.state.zIndexMax + 1,
      prevLayouts: [
        ...this.state.prevLayouts,
        {
          defaultLayout: this.state.defaultLayout,
          fileNames: this.state.fileNames,
          layout: this.cloneLayout(this.state.layout),
        },
      ],
      ratio: [layout[i].w, layout[i].h],
      freeRatio: !Validations.isPreviewableImage(this.state.items[i].type),
    });
    window.addEventListener("mousemove", this._handleDragResize);
    window.addEventListener("mouseup", this._handleMouseUpResize);
  };

  _handleDragResize = (e) => {
    let state = {};
    e.preventDefault();
    e.stopPropagation();
    let layout = this.cloneLayout(this.state.origLayout);
    let pos = layout[this.state.dragIndex];
    let dX = (e.clientX - this.state.xStart) / this.state.unit;
    let dY;
    if (this.state.freeRatio && !e.shiftKey) {
      dY = (e.clientY - this.state.yStart) / this.state.unit;
    } else {
      dY = (dX * this.state.ratio[1]) / this.state.ratio[0];
    }
    pos.w += dX;
    pos.h += dY;
    if (
      pos.w < MIN_SIZE ||
      pos.h < MIN_SIZE ||
      pos.w > CONTAINER_SIZE ||
      pos.x >= CONTAINER_SIZE ||
      pos.x + pos.w <= 0 ||
      pos.y + pos.h <= 0
    ) {
      return;
    }
    this.setState({ layout, ...state });
  };

  _handleMouseUpResize = (e) => {
    window.removeEventListener("mousemove", this._handleDragResize);
    window.removeEventListener("mouseup", this._handleMouseUpResize);
    let layout = this.state.layout;
    let pos = layout[this.state.dragIndex];
    if (!e.ctrlKey && !e.metaKey) {
      pos.w = Math.round(pos.w / 10) * 10;
      if (this.state.freeRatio) {
        pos.h = Math.round(pos.h / 10) * 10;
      } else {
        pos.h = (pos.w * this.state.ratio[1]) / this.state.ratio[0];
      }
    }
    let state = { dragIndex: null, layout, ratio: null };
    if (this.state.defaultLayout) {
      if (e.clientX !== this.state.xStart || e.clientX !== this.state.yStart) {
        state.defaultLayout = false;
      }
    }
    if ((pos.y + pos.h) * this.state.unit > this.state.containerHeight) {
      state.containerHeight = (pos.y + pos.h) * this.state.unit;
    }
    this.setState(state);
  };

  _handleResetLayout = async () => {
    if (
      !window.confirm("Are you sure you want to reset your layout to the default column layout?")
    ) {
      return;
    }
    let prevLayout = this.cloneLayout(this.state.layout);
    let layout = await this.calculateLayout();
    this.setState({
      defaultLayout: true,
      prevLayouts: [
        ...this.state.prevLayouts,
        {
          defaultLayout: this.state.defaultLayout,
          fileNames: this.state.fileNames,
          layout: prevLayout,
        },
      ],
      layout,
      zIndexMax: 1,
    });
  };

  _handleSaveLayout = async () => {
    //NOTE(martina): collapses the z-indexes back down to 0 through n-1 (so they don't continuously get higher)
    let zIndexes = this.state.layout.map((pos) => pos.z);
    zIndexes = [...new Set(zIndexes)];
    zIndexes.sort(function (a, b) {
      return a - b;
    });
    let layout = this.cloneLayout(this.state.layout);
    for (let pos of layout) {
      pos.z = zIndexes.indexOf(pos.z);
    }
    await this.props.onSaveLayout({
      ver: "2.0",
      fileNames: this.state.fileNames,
      defaultLayout: this.state.defaultLayout,
      layout: layout,
    });
    await this.setState({ layout });
    this._toggleEditing();
  };

  _handleCheckBox = (e) => {
    let checked = this.state.checked;
    if (e.target.value === false) {
      delete checked[e.target.name];
      this.setState({ checked });
      return;
    }
    this.setState({
      checked: { ...this.state.checked, [e.target.name]: true },
    });
  };

  _handleCopy = (e, value) => {
    e.stopPropagation();
    e.preventDefault();

    this.setState({ copyValue: value }, () => {
      this._input.select();
      document.execCommand("copy");
    });
  };

  _handleSetPreview = (e, i) => {
    e.stopPropagation();
    e.preventDefault();
    let url = this.state.items[i].url;
    if (this.props.preview === url) return;
    this.props.onSavePreview(url);
  };

  _handleDownload = (e, i) => {
    e.stopPropagation();
    e.preventDefault();
    if (i !== undefined) {
      UserBehaviors.download(this.state.items[i]);
    }
  };

  _handleSaveCopy = async (e, i) => {
    e.stopPropagation();
    e.preventDefault();
    let items = [];
    if (i !== undefined) {
      items = [this.state.items[i]];
    } else {
      this.setState({ checked: {} });
      for (let i of Object.keys(this.state.checked)) {
        items.push(this.state.items[i]);
      }
    }
    UserBehaviors.addToDataFromSlate({ files: items });
  };

  _handleAddToSlate = (e, i) => {
    e.stopPropagation();
    e.preventDefault();
    let items = [];
    if (i !== undefined) {
      items = [this.state.items[i]];
    } else if (Object.keys(this.state.checked).length) {
      for (let index of Object.keys(this.state.checked)) {
        items.push(this.state.items[index]);
      }
    }
    this.setState({ checked: {} });
    this.props.onAction({
      type: "SIDEBAR",
      value: "SIDEBAR_ADD_FILE_TO_SLATE",
      data: { files: items, fromSlate: true },
    });
  };

  _handleRemoveFromSlate = (e, i) => {
    e.stopPropagation();
    e.preventDefault();
    let ids = [];
    if (i !== undefined) {
      ids = [this.state.items[i].id];
    } else {
      for (let index of Object.keys(this.state.checked)) {
        ids.push(this.state.items[index].id);
      }
      this.setState({ checked: {} });
    }

    let slates = this.props.viewer.slates;
    let slateId = this.props.current.id;
    for (let slate of slates) {
      if (slate.id === slateId) {
        slate.data.objects = slate.data.objects.filter((obj) => !ids.includes(obj.id));
        this.props.onUpdateViewer({ slates });
        break;
      }
    }

    UserBehaviors.removeFromSlate({ slate: this.props.current, ids });
  };

  _stopPropagation = (e) => e.stopPropagation();

  _disableDragAndDropUploadEvent = () => {
    document.addEventListener("dragenter", this._stopPropagation);
    document.addEventListener("drop", this._stopPropagation);
  };

  _enableDragAndDropUploadEvent = () => {
    document.removeEventListener("dragenter", this._stopPropagation);
    document.removeEventListener("drop", this._stopPropagation);
  };

  _handleDragToDesktop = (e, object) => {
    const url = Strings.getCIDGatewayURL(object.cid);
    const title = object.file || object.name;
    const type = object.type;
    console.log(e.dataTransfer, e.dataTransfer.setData);
    e.dataTransfer.setData("DownloadURL", `${type}:${title}:${url}`);
  };

  _handleDeleteFiles = async (e, i) => {
    const message = `Are you sure you want to delete these files? They will be deleted from your data and slates.`;
    if (!window.confirm(message)) {
      return;
    }

    e.stopPropagation();
    e.preventDefault();
    let ids = [];
    if (i !== undefined) {
      ids = [this.state.items[i].id];
    } else {
      for (let index of Object.keys(this.state.checked)) {
        ids.push(this.state.items[index].id);
      }
    }
    let cids = [];
    for (let file of this.props.viewer.library[0].children) {
      if (ids.includes(file.id)) {
        cids.push(file.cid);
      }
    }

    let slates = this.props.viewer.slates;
    let slateId = this.props.current.id;
    for (let slate of slates) {
      if (slate.id === slateId) {
        slate.data.objects = slate.data.objects.filter(
          (obj) => !ids.includes(obj.id) && !cids.includes(obj.cid)
        );
        this.props.onUpdateViewer({ slates });
        break;
      }
    }

    await UserBehaviors.deleteFiles(cids, ids);
    this.setState({ checked: {} });
  };

  _stopProp = (e) => {
    e.stopPropagation();
    e.preventDefault();
  };

  _handleLoginModal = (e) => {
    e.preventDefault();
    e.stopPropagation();
    this.setState({ signInModal: true });
  };

  render() {
    let numChecked = Object.keys(this.state.checked).length;
    let unit = this.state.unit;
    return (
      <div>
        <GroupSelectable enabled={!this.state.editing} onSelection={this._handleDragAndSelect}>
          {this.props.isOwner ? (
            this.state.editing ? (
              <div
                css={STYLES_BUTTONS_ROW}
                style={{ marginBottom: 16, justifyContent: "space-between" }}
              >
                <div css={STYLES_BUTTONS_ROW} style={{ width: "100%", minWidth: "10%" }}>
                  <div css={STYLES_TOGGLE_BOX} style={{ marginRight: 16, paddingLeft: 24 }}>
                    <span
                      style={{
                        fontFamily: Constants.font.semiBold,
                        fontSize: 14,
                        letterSpacing: "0.2px",
                      }}
                    >
                      Display titles
                    </span>
                    <div
                      style={{
                        transform: "scale(0.7)",
                        marginLeft: 8,
                      }}
                    >
                      <Toggle active={this.state.fileNames} onChange={this._toggleFileNames} />
                    </div>
                  </div>
                  {this.state.defaultLayout ? (
                    <ButtonDisabled
                      style={{
                        marginRight: 16,
                        backgroundColor: Constants.system.white,
                      }}
                    >
                      Reset layout
                    </ButtonDisabled>
                  ) : (
                    <ButtonSecondary onClick={this._handleResetLayout} style={{ marginRight: 16 }}>
                      Reset layout
                    </ButtonSecondary>
                  )}
                  {this.state.prevLayouts.length ? (
                    <ButtonSecondary style={{ marginRight: 16 }} onClick={this._handleUndo}>
                      Undo
                    </ButtonSecondary>
                  ) : (
                    <ButtonDisabled
                      style={{
                        marginRight: 16,
                        backgroundColor: Constants.system.white,
                      }}
                    >
                      Undo
                    </ButtonDisabled>
                  )}

                  <div css={STYLES_BUTTONS_ROW} style={{ position: "relative" }}>
                    <span
                      style={{
                        padding: 10,
                        display: "flex",
                        alignItems: "center",
                      }}
                      onMouseLeave={() => this.setState({ keyboardTooltip: false })}
                    >
                      <SVG.InfoCircle
                        height="20px"
                        style={{
                          color: this.state.keyboardTooltip
                            ? Constants.system.grayBlack
                            : Constants.system.darkGray,
                        }}
                        onMouseEnter={() => this.setState({ keyboardTooltip: true })}
                      />
                    </span>
                    {this.state.keyboardTooltip ? (
                      <div css={STYLES_TOOLTIP_ANCHOR}>
                        <div>
                          <p
                            css={STYLES_TOOLTIP_TEXT}
                            style={{
                              fontFamily: Constants.font.semiBold,
                              fontSize: 14,
                              paddingTop: 12,
                              paddingBottom: 4,
                            }}
                          >
                            Keyboard shortcuts
                          </p>
                        </div>
                        <div>
                          <p css={STYLES_TOOLTIP_TEXT}>shift + drag</p>
                          <p css={STYLES_TOOLTIP_TEXT} style={{ color: Constants.system.darkGray }}>
                            keep x value or y value while moving file
                          </p>
                        </div>
                        <div>
                          <p css={STYLES_TOOLTIP_TEXT}>shift + resize</p>
                          <p css={STYLES_TOOLTIP_TEXT} style={{ color: Constants.system.darkGray }}>
                            keep aspect ratio while resizing
                          </p>
                        </div>
                        <div>
                          <p css={STYLES_TOOLTIP_TEXT}>ctrl + drag</p>
                          <p css={STYLES_TOOLTIP_TEXT} style={{ color: Constants.system.darkGray }}>
                            move without snapping to the dot grid
                          </p>
                        </div>
                        <div>
                          <p css={STYLES_TOOLTIP_TEXT}>ctrl + resize</p>
                          <p
                            css={STYLES_TOOLTIP_TEXT}
                            style={{ color: Constants.system.darkGray, paddingBottom: "12px" }}
                          >
                            resize without snapping to the dot grid
                          </p>
                        </div>
                      </div>
                    ) : null}
                  </div>
                </div>
                <div css={STYLES_BUTTONS_ROW} style={{ flexShrink: 0 }}>
                  <ButtonSecondary
                    onClick={(e) => this._toggleEditing(e, true)}
                    style={{ cursor: "pointer", marginLeft: 16 }}
                  >
                    Cancel
                  </ButtonSecondary>
                  <ButtonPrimary
                    onClick={this._handleSaveLayout}
                    style={{ cursor: "pointer", marginLeft: 16 }}
                  >
                    Save
                  </ButtonPrimary>
                </div>
              </div>
            ) : (
              <div
                css={STYLES_BUTTONS_ROW}
                style={{ justifyContent: "flex-end", marginBottom: 16 }}
              >
                <ButtonSecondary
                  onClick={this._toggleEditing}
                  style={{ cursor: "pointer", marginLeft: 16 }}
                >
                  Edit layout
                </ButtonSecondary>
              </div>
            )
          ) : null}
          <div
            css={this.state.editing ? STYLES_EDIT_CONTAINER : null}
            style={{ opacity: this.state.show ? 1 : 0 }}
          >
            <div
              css={this.state.editing ? STYLES_CONTAINER_EDITING : STYLES_CONTAINER}
              style={{
                height: this.state.editing
                  ? `calc(100vh + ${this.state.containerHeight}px)`
                  : `calc(96px + ${this.state.containerHeight}px)`,
                backgroundSize: `${(CONTAINER_SIZE / 108) * this.state.unit}px ${
                  10 * this.state.unit
                }px`,
                backgroundPosition: `-${(CONTAINER_SIZE / 220) * this.state.unit}px -${
                  (CONTAINER_SIZE / 220) * this.state.unit
                }px`,
              }}
              ref={(c) => {
                this._ref = c;
              }}
            >
              {this.state.show ? (
                this.state.layout.map((pos, i) => (
                  <Selectable
                    css={this.state.editing ? STYLES_ITEM_EDITING : STYLES_ITEM}
                    key={i}
                    name={i}
                    draggable={!(numChecked || this.state.editing)}
                    onDragStart={(e) => {
                      this._disableDragAndDropUploadEvent();
                      this._handleDragToDesktop(e, this.state.items[i]);
                    }}
                    onDragEnd={this._enableDragAndDropUploadEvent}
                    selectableKey={i}
                    onMouseEnter={() => this.setState({ hover: i })}
                    onMouseLeave={() => this.setState({ hover: null })}
                    onMouseDown={this.state.editing ? (e) => this._handleMouseDown(e, i) : () => {}}
                    onClick={this.state.editing ? () => {} : () => this.props.onSelect(i)}
                    style={{
                      top: pos.y * unit,
                      left: pos.x * unit,
                      width: pos.w * unit,
                      height: this.state.fileNames ? (pos.h + TAG_HEIGHT) * unit : pos.h * unit,
                      zIndex: pos.z,
                      boxShadow:
                        this.state.dragIndex === i ? `0 0 44px 0 rgba(0, 0, 0, 0.25)` : null,
                      backgroundColor: Constants.system.white,
                    }}
                  >
                    <SlateMediaObjectPreview
                      blurhash={this.state.items[i].blurhash}
                      iconOnly={this.state.fileNames}
                      charCap={70}
                      type={this.state.items[i].type}
                      url={this.state.items[i].url}
                      title={this.state.items[i].title || this.state.items[i].name}
                      coverImage={this.state.items[i].coverImage}
                      height={pos.h * unit}
                      width={pos.w * unit}
                      style={{
                        height: pos.h * unit,
                        width: pos.w * unit,
                        background: Constants.system.white,
                      }}
                      imageStyle={{
                        width: pos.w * unit,
                        height: pos.h * unit,
                        maxHeight: "none",
                      }}
                    />
                    {numChecked || this.state.hover === i ? (
                      <div css={STYLES_MOBILE_HIDDEN}>
                        {this.props.external ? null : (
                          <div
                            onMouseDown={this._stopProp}
                            onMouseUp={this._stopProp}
                            onClick={(e) => {
                              this._stopProp(e);
                              let checked = this.state.checked;
                              if (checked[i]) {
                                delete checked[i];
                              } else {
                                checked[i] = true;
                              }
                              this.setState({ checked });
                            }}
                          >
                            <CheckBox
                              name={i}
                              value={!!this.state.checked[i]}
                              onChange={this._handleCheckBox}
                              boxStyle={{
                                height: 24,
                                width: 24,
                                backgroundColor: this.state.checked[i]
                                  ? Constants.system.brand
                                  : "rgba(255, 255, 255, 0.75)",
                                boxShadow: this.state.checked[i]
                                  ? "none"
                                  : "0 0 0 2px #C3C3C4 inset",
                              }}
                              style={{
                                position: "absolute",
                                top: 8,
                                left: 8,
                                pointerEvents: "auto",
                              }}
                            />
                          </div>
                        )}
                        {this.state.hover !== i ? null : this.state.editing ? (
                          <React.Fragment>
                            {this.state.tooltip && this.state.tooltip.startsWith(`${i}-`) ? (
                              <Tooltip
                                light
                                style={
                                  this.state.tooltip === `${i}-remove`
                                    ? {
                                        position: "absolute",
                                        top: 36,
                                        right: 8,
                                      }
                                    : this.state.tooltip === `${i}-view`
                                    ? {
                                        position: "absolute",
                                        bottom: this.state.fileNames ? 52 + TAG_HEIGHT : 52,
                                        right: "calc(50% + 28px)",
                                      }
                                    : this.state.tooltip === `${i}-download`
                                    ? {
                                        position: "absolute",
                                        bottom: this.state.fileNames ? 52 + TAG_HEIGHT : 52,
                                        right: "calc(50% - 12px)",
                                      }
                                    : {
                                        position: "absolute",
                                        bottom: this.state.fileNames ? 52 + TAG_HEIGHT : 52,
                                        right: "calc(50% - 52px)",
                                        color: Constants.system.red,
                                      }
                                }
                              >
                                {this.state.tooltip === `${i}-remove`
                                  ? "Remove from slate"
                                  : this.state.tooltip === `${i}-view`
                                  ? "View file"
                                  : this.state.tooltip === `${i}-download`
                                  ? "Download"
                                  : "Delete file"}
                              </Tooltip>
                            ) : null}
                            <div
                              onMouseDown={this._stopProp}
                              onMouseUp={this._stopProp}
                              onMouseEnter={() => this.setState({ tooltip: `${i}-remove` })}
                              onMouseLeave={() => this.setState({ tooltip: null })}
                              onClick={(e) => {
                                this._handleRemoveFromSlate(e, i);
                              }}
                              style={{
                                position: "absolute",
                                top: 8,
                                right: 8,
                                cursor: "pointer",
                                margin: 0,
                              }}
                              css={STYLES_ICON_CIRCLE}
                            >
                              <SVG.DismissCircle height="24px" />
                            </div>
                            <div
                              css={STYLES_ICON_ROW}
                              style={{
                                bottom: this.state.fileNames
                                  ? `calc(24px + ${TAG_HEIGHT}px)`
                                  : "24px",
                                left: `calc(50% - 60px)`,
                              }}
                            >
                              <div
                                css={STYLES_ICON_CIRCLE}
                                onMouseDown={this._stopProp}
                                onMouseUp={this._stopProp}
                                onMouseEnter={() => this.setState({ tooltip: `${i}-view` })}
                                onMouseLeave={() => this.setState({ tooltip: null })}
                                onClick={(e) => {
                                  this._stopProp(e);
                                  this.props.onSelect(i);
                                }}
                              >
                                <SVG.Eye height="16px" />
                              </div>
                              <div
                                css={STYLES_ICON_CIRCLE}
                                onMouseDown={this._stopProp}
                                onMouseUp={this._stopProp}
                                onMouseEnter={() => this.setState({ tooltip: `${i}-download` })}
                                onMouseLeave={() => this.setState({ tooltip: null })}
                                onClick={(e) => {
                                  this._handleDownload(e, i);
                                }}
                              >
                                <SVG.Download height="16px" />
                              </div>
                              <div
                                css={STYLES_ICON_CIRCLE}
                                onMouseDown={this._stopProp}
                                onMouseUp={this._stopProp}
                                onMouseEnter={() => this.setState({ tooltip: `${i}-delete` })}
                                onMouseLeave={() => this.setState({ tooltip: null })}
                                onClick={
                                  this.state.items[i].ownerId === this.props.viewer.id
                                    ? (e) => {
                                        this._handleDeleteFiles(e, i);
                                      }
                                    : () => {}
                                }
                                style={{
                                  cursor:
                                    this.state.items[i].ownerId === this.props.viewer.id
                                      ? "pointer"
                                      : "not-allowed",
                                }}
                              >
                                <SVG.Trash
                                  height="16px"
                                  style={{
                                    color:
                                      this.state.items[i].ownerId === this.props.viewer.id
                                        ? Constants.system.red
                                        : "#999999",
                                  }}
                                />
                              </div>
                            </div>
                          </React.Fragment>
                        ) : (
                          <React.Fragment>
                            {this.state.tooltip && this.state.tooltip.startsWith(`${i}-`) ? (
                              <Tooltip
                                light
                                style={
                                  this.state.tooltip === `${i}-add`
                                    ? {
                                        position: "absolute",
                                        top: 36,
                                        right: 8,
                                      }
                                    : this.state.tooltip === `${i}-copy`
                                    ? {
                                        position: "absolute",
                                        bottom: this.state.fileNames ? 52 + TAG_HEIGHT : 52,
                                        right: "calc(50% + 28px)",
                                      }
                                    : this.state.tooltip === `${i}-download`
                                    ? {
                                        position: "absolute",
                                        bottom: this.state.fileNames ? 52 + TAG_HEIGHT : 52,
                                        right: "calc(50% - 12px)",
                                      }
                                    : {
                                        position: "absolute",
                                        bottom: this.state.fileNames ? 52 + TAG_HEIGHT : 52,
                                        right: "calc(50% - 52px)",
                                      }
                                }
                              >
                                {this.state.tooltip === `${i}-add`
                                  ? "Add to slate"
                                  : this.state.tooltip === `${i}-copy`
                                  ? "Copy link"
                                  : this.state.tooltip === `${i}-download`
                                  ? "Download"
                                  : this.state.tooltip === `${i}-preview`
                                  ? "Make preview image"
                                  : "Save copy"}
                              </Tooltip>
                            ) : null}
                            <div
                              onMouseDown={this._stopProp}
                              onMouseUp={this._stopProp}
                              onMouseEnter={() => this.setState({ tooltip: `${i}-add` })}
                              onMouseLeave={() => this.setState({ tooltip: null })}
                              onClick={
                                this.props.external
                                  ? this._handleLoginModal
                                  : (e) => {
                                      this._handleAddToSlate(e, i);
                                    }
                              }
                              style={{
                                position: "absolute",
                                top: 8,
                                right: 8,
                                cursor: "pointer",
                                margin: 0,
                              }}
                              css={STYLES_ICON_CIRCLE}
                            >
                              <SVG.PlusCircle height="24px" />
                            </div>
                            <div
                              css={STYLES_ICON_ROW}
                              style={{
                                bottom: this.state.fileNames
                                  ? `calc(24px + ${TAG_HEIGHT}px)`
                                  : "24px",
                              }}
                            >
                              {/* <DynamicIcon
                                onClick={(e) => {
                                  this._handleCopy(e, this.state.items[i].url);
                                }}
                                onMouseDown={this._stopProp}
                                onMouseUp={this._stopProp}
                                onMouseEnter={() => this.setState({ tooltip: `${i}-copy` })}
                                onMouseLeave={() => this.setState({ tooltip: null })}
                                successState={
                                  <SVG.CheckBox height="16px" style={{ color: "#4b4a4d" }} />
                                }
                                style={{
                                  height: 24,
                                  width: 24,
                                  borderRadius: "50%",
                                  backgroundColor: "rgba(248, 248, 248, 0.6)",
                                  color: "#4b4a4d",
                                  display: "flex",
                                  alignItems: "center",
                                  justifyContent: "center",
                                  cursor: "pointer",
                                  margin: "0 8px",
                                  WebkitBackdropFilter: "blur(25px)",
                                  backdropFilter: "blur(25px)",
                                }}
                              >
                                <SVG.DeepLink height="16px" style={{ color: "#4b4a4d" }} />
                              </DynamicIcon> */}
                              <div
                                css={STYLES_ICON_CIRCLE}
                                onMouseDown={this._stopProp}
                                onMouseUp={this._stopProp}
                                onMouseEnter={() => this.setState({ tooltip: `${i}-download` })}
                                onMouseLeave={() => this.setState({ tooltip: null })}
                                onClick={
                                  this.props.external
                                    ? this._handleLoginModal
                                    : (e) => {
                                        this._handleDownload(e, i);
                                      }
                                }
                              >
                                <SVG.Download height="16px" />
                              </div>
                              {this.props.isOwner ? (
                                <div
                                  css={STYLES_ICON_CIRCLE}
                                  onMouseDown={this._stopProp}
                                  onMouseUp={this._stopProp}
                                  onMouseEnter={() => this.setState({ tooltip: `${i}-preview` })}
                                  onMouseLeave={() => this.setState({ tooltip: null })}
                                  onClick={
                                    this.props.external
                                      ? this._handleLoginModal
                                      : this.state.items[i].type &&
                                        Validations.isPreviewableImage(this.state.items[i].type) &&
                                        this.state.items[i].size &&
                                        this.state.items[i].size < SIZE_LIMIT
                                      ? (e) => this._handleSetPreview(e, i)
                                      : () => {}
                                  }
                                  style={
                                    this.props.preview === this.state.items[i].url
                                      ? {
                                          backgroundColor: "rgba(0, 97, 187, 0.75)",
                                        }
                                      : this.state.items[i].type &&
                                        Validations.isPreviewableImage(this.state.items[i].type) &&
                                        this.state.items[i].size &&
                                        this.state.items[i].size < SIZE_LIMIT
                                      ? {}
                                      : {
                                          color: "#999999",
                                          cursor: "not-allowed",
                                        }
                                  }
                                >
                                  {this.props.preview ===
                                  this.state.items[i].url.replace(
                                    "https://undefined",
                                    "https://"
                                  ) ? (
                                    <SVG.DesktopEye
                                      height="16px"
                                      style={{
                                        color: Constants.system.white,
                                      }}
                                    />
                                  ) : (
                                    <SVG.Desktop height="16px" />
                                  )}
                                </div>
                              ) : (
                                <div
                                  css={STYLES_ICON_CIRCLE}
                                  onMouseDown={this._stopProp}
                                  onMouseUp={this._stopProp}
                                  onMouseEnter={() => this.setState({ tooltip: `${i}-save` })}
                                  onMouseLeave={() => this.setState({ tooltip: null })}
                                  onClick={
                                    this.props.external
                                      ? this._handleLoginModal
                                      : (e) => this._handleSaveCopy(e, i)
                                  }
                                >
                                  <SVG.Save height="16px" />
                                </div>
                              )}
                            </div>
                          </React.Fragment>
                        )}
                      </div>
                    ) : null}
                    {this.state.fileNames ? (
                      <div
                        css={STYLES_FILE_TAG}
                        style={{
                          fontSize: `${Math.min(TAG_HEIGHT * unit * 0.7, 14)}px`,
                          height: `${TAG_HEIGHT * unit}px`,
                        }}
                      >
                        <span css={STYLES_FILE_NAME}>
                          {this.state.items[i].title || this.state.items[i].name}
                        </span>
                        <span css={STYLES_FILE_TYPE}>
                          {Strings.getFileExtension(this.state.items[i].file)}
                        </span>
                      </div>
                    ) : null}
                    {this.state.editing ? (
                      <div
                        css={STYLES_HANDLE_BOX}
                        onMouseDown={(e) => this._handleMouseDownResize(e, i)}
                        style={{
                          display:
                            this.state.hover === i || this.state.dragIndex === i ? "block" : "none",
                        }}
                      >
                        <SVG.DragHandle height="24px" />
                      </div>
                    ) : null}
                  </Selectable>
                ))
              ) : (
                <div css={STYLES_LOADER}>
                  <LoaderSpinner />
                </div>
              )}
            </div>
          </div>
          {numChecked ? (
            <div css={STYLES_ACTION_BAR_CONTAINER}>
              <div css={STYLES_ACTION_BAR}>
                <div css={STYLES_LEFT}>
                  <span css={STYLES_FILES_SELECTED}>
                    {numChecked} file{numChecked > 1 ? "s" : ""} selected
                  </span>
                </div>
                {this.props.isOwner ? (
                  <div css={STYLES_RIGHT}>
                    <React.Fragment>
                      <ButtonPrimary
                        transparent
                        style={{ marginLeft: 8, color: Constants.system.white }}
                        onClick={this._handleAddToSlate}
                      >
                        Add to slate
                      </ButtonPrimary>
                      <ButtonWarning
                        transparent
                        style={{ marginLeft: 8, color: Constants.system.white }}
                        onClick={this._handleDownloadFiles}
                      >
                        Download
                      </ButtonWarning>
                      <ButtonWarning
                        transparent
                        style={{ marginLeft: 8, color: Constants.system.white }}
                        onClick={this._handleRemoveFromSlate}
                      >
                        Remove
                      </ButtonWarning>
                    </React.Fragment>
                    <ButtonWarning
                      transparent
                      style={{ marginLeft: 8, color: Constants.system.white }}
                      onClick={this._handleDeleteFiles}
                    >
                      {Strings.pluralize("Delete file", numChecked)}
                    </ButtonWarning>
                    <div css={STYLES_ICON_BOX} onClick={() => this.setState({ checked: {} })}>
                      <SVG.Dismiss height="20px" style={{ color: Constants.system.darkGray }} />
                    </div>
                  </div>
                ) : (
                  <div css={STYLES_RIGHT}>
                    <ButtonPrimary
                      transparent
                      onClick={this._handleAddToSlate}
                      style={{ color: Constants.system.white }}
                    >
                      Add to slate
                    </ButtonPrimary>
                    <ButtonPrimary
                      transparent
                      onClick={this._handleSaveCopy}
                      style={{ color: Constants.system.white }}
                    >
                      Save copy
                    </ButtonPrimary>
                    <div css={STYLES_ICON_BOX} onClick={() => this.setState({ checked: {} })}>
                      <SVG.Dismiss height="20px" style={{ color: Constants.system.darkGray }} />
                    </div>
                  </div>
                )}
              </div>
            </div>
          ) : null}
          <input
            ref={(c) => {
              this._input = c;
            }}
            readOnly
            value={this.state.copyValue}
            css={STYLES_COPY_INPUT}
          />
          {this.props.external && this.state.signInModal && (
            <div>
              <CTATransition
                onClose={() => this.setState({ signInModal: false })}
                viewer={this.props.viewer}
                open={this.state.signInModal}
                redirectURL={`/_${Strings.createQueryParams({
                  scene: "NAV_SLATE",
                  user: this.props.creator.username,
                  slate: this.props.slate.slatename,
                })}`}
              />
            </div>
          )}
        </GroupSelectable>
      </div>
    );
  }
}