svgedit/src/editor/panels/LeftPanel.js

import SvgCanvas from "../../svgcanvas/svgcanvas.js";
import leftPanelHTML from './LeftPanel.html';

const { $id, $qa } = SvgCanvas;

/*
 * register actions for left panel
 */
/**
 * @type {module}
 */
class LeftPanel {
  /**
   * @param {PlainObject} editor svgedit handler
   */
  constructor(editor) {
    this.editor = editor;
  }
  /**
   * This is a common function used when a tool has been clicked (chosen).
   * It does several common things:
   * - Removes the pressed button from whatever tool currently has it.
   * - Adds the the pressed button  to the button passed in.
   * @function this.updateLeftPanel
   * @param {string|Element} button The DOM element or string selector representing the toolbar button
   * @returns {boolean} Whether the button was disabled or not
   */
  updateLeftPanel(button) {
    if (button.disabled) return false;
    // remove the pressed state on other(s) button(s)
    $qa("#tools_left *[pressed]").forEach((b) => {
      b.pressed = false;
    });
    // pressed state for the clicked button
    $id(button).pressed = true;
    return true;
  }

  /**
   * Unless the select toolbar button is disabled, sets the button
   * and sets the select mode and cursor styles.
   * @function module:SVGEditor.clickSelect
   * @returns {void}
   */
  clickSelect() {
    if (this.updateLeftPanel("tool_select")) {
      this.editor.workarea.style.cursor = "auto";
      this.editor.svgCanvas.setMode("select");
    }
  }

  /**
   *
   * @returns {void}
   */
  clickFHPath() {
    if (this.updateLeftPanel("tool_fhpath")) {
      this.editor.svgCanvas.setMode("fhpath");
    }
  }

  /**
   *
   * @returns {void}
   */
  clickLine() {
    if (this.updateLeftPanel("tool_line")) {
      this.editor.svgCanvas.setMode("line");
    }
  }

  /**
   *
   * @returns {void}
   */
  clickSquare() {
    if (this.updateLeftPanel("tool_square")) {
      this.editor.svgCanvas.setMode("square");
    }
  }

  /**
   *
   * @returns {void}
   */
  clickRect() {
    if (this.updateLeftPanel("tool_rect")) {
      this.editor.svgCanvas.setMode("rect");
    }
  }

  /**
   *
   * @returns {void}
   */
  clickFHRect() {
    if (this.updateLeftPanel("tool_fhrect")) {
      this.editor.svgCanvas.setMode("fhrect");
    }
  }

  /**
   *
   * @returns {void}
   */
  clickCircle() {
    if (this.updateLeftPanel("tool_circle")) {
      this.editor.svgCanvas.setMode("circle");
    }
  }

  /**
   *
   * @returns {void}
   */
  clickEllipse() {
    if (this.updateLeftPanel("tool_ellipse")) {
      this.editor.svgCanvas.setMode("ellipse");
    }
  }

  /**
   *
   * @returns {void}
   */
  clickFHEllipse() {
    if (this.updateLeftPanel("tool_fhellipse")) {
      this.editor.svgCanvas.setMode("fhellipse");
    }
  }

  /**
   *
   * @returns {void}
   */
  clickImage() {
    if (this.updateLeftPanel("tool_image")) {
      this.editor.svgCanvas.setMode("image");
    }
  }

  /**
   *
   * @returns {void}
   */
  clickZoom() {
    if (this.updateLeftPanel("tool_zoom")) {
      this.editor.svgCanvas.setMode("zoom");
      this.editor.workarea.style.cursor = this.editor.zoomInIcon;
    }
  }

  /**
   *
   * @returns {void}
   */
  dblclickZoom() {
    if (this.updateLeftPanel("tool_zoom")) {
      this.editor.zoomImage();
      this.clickSelect();
    }
  }

  /**
   *
   * @returns {void}
   */
  clickText() {
    if (this.updateLeftPanel("tool_text")) {
      this.editor.svgCanvas.setMode("text");
    }
  }

  /**
   *
   * @returns {void}
   */
  clickPath() {
    if (this.updateLeftPanel("tool_path")) {
      this.editor.svgCanvas.setMode("path");
    }
  }
  /**
   * @type {module}
   */
  add(id, handler) {
    $id(id).addEventListener("click", () => {
      if (this.updateLeftPanel(id)) {
        handler();
      }
    });
  }
  /**
   * @type {module}
   */
  init() {

    // add Left panel
    const template = document.createElement("template");
    // eslint-disable-next-line no-unsanitized/property
    template.innerHTML = leftPanelHTML;
    this.editor.$svgEditor.append(template.content.cloneNode(true));
    // register actions for left panel
    $id("tool_select").addEventListener("click", this.clickSelect.bind(this));
    $id("tool_fhpath").addEventListener("click", this.clickFHPath.bind(this));
    $id("tool_text").addEventListener("click", this.clickText.bind(this));
    $id("tool_image").addEventListener("click", this.clickImage.bind(this));
    $id("tool_zoom").addEventListener("click", this.clickZoom.bind(this));
    $id("tool_zoom").addEventListener("dblclick", this.dblclickZoom.bind(this));
    $id("tool_path").addEventListener("click", this.clickPath.bind(this));
    $id("tool_line").addEventListener("click", this.clickLine.bind(this));

    // flyout
    $id("tool_rect").addEventListener("click", this.clickRect.bind(this));
    $id("tool_square").addEventListener("click", this.clickSquare.bind(this));
    $id("tool_fhrect").addEventListener("click", this.clickFHRect.bind(this));
    $id("tool_ellipse").addEventListener("click", this.clickEllipse.bind(this));
    $id("tool_circle").addEventListener("click", this.clickCircle.bind(this));
    $id("tool_fhellipse").addEventListener("click", this.clickFHEllipse.bind(this));
  }
}

export default LeftPanel;