cione-comp-lib/es/node_modules/echarts/lib/component/helper/BrushController.mjs

`$ yarn add cione-comp-lib` 或者 `$ npm i cione-comp-lib -S`

import { __extends } from "../../../../tslib/tslib.es6.mjs";
import { each, bind, merge, clone, map, curry, defaults } from "../../../../zrender/lib/core/util.mjs";
import Eventful from "../../../../zrender/lib/core/Eventful.mjs";
import { transformDirection, getTransform as getTransform$1 } from "../../util/graphic.mjs";
import { take, release } from "./interactionMutex.mjs";
import DataDiffer from "../../data/DataDiffer.mjs";
import Group from "../../../../zrender/lib/graphic/Group.mjs";
import Polyline from "../../../../zrender/lib/graphic/shape/Polyline.mjs";
import Polygon from "../../../../zrender/lib/graphic/shape/Polygon.mjs";
import Rect from "../../../../zrender/lib/graphic/shape/Rect.mjs";
var BRUSH_PANEL_GLOBAL = true;
var mathMin = Math.min;
var mathMax = Math.max;
var mathPow = Math.pow;
var COVER_Z = 1e4;
var UNSELECT_THRESHOLD = 6;
var MIN_RESIZE_LINE_WIDTH = 6;
var MUTEX_RESOURCE_KEY = "globalPan";
var DIRECTION_MAP = {
  w: [0, 0],
  e: [0, 1],
  n: [1, 0],
  s: [1, 1]
};
var CURSOR_MAP = {
  w: "ew",
  e: "ew",
  n: "ns",
  s: "ns",
  ne: "nesw",
  sw: "nesw",
  nw: "nwse",
  se: "nwse"
};
var DEFAULT_BRUSH_OPT = {
  brushStyle: {
    lineWidth: 2,
    stroke: "rgba(210,219,238,0.3)",
    fill: "#D2DBEE"
  },
  transformable: true,
  brushMode: "single",
  removeOnClick: false
};
var baseUID = 0;
var BrushController = function(_super) {
  __extends(BrushController2, _super);
  function BrushController2(zr) {
    var _this = _super.call(this) || this;
    _this._track = [];
    _this._covers = [];
    _this._handlers = {};
    _this._zr = zr;
    _this.group = new Group();
    _this._uid = "brushController_" + baseUID++;
    each(pointerHandlers, function(handler, eventName) {
      this._handlers[eventName] = bind(handler, this);
    }, _this);
    return _this;
  }
  BrushController2.prototype.enableBrush = function(brushOption) {
    this._brushType && this._doDisableBrush();
    brushOption.brushType && this._doEnableBrush(brushOption);
    return this;
  };
  BrushController2.prototype._doEnableBrush = function(brushOption) {
    var zr = this._zr;
    if (!this._enableGlobalPan) {
      take(zr, MUTEX_RESOURCE_KEY, this._uid);
    }
    each(this._handlers, function(handler, eventName) {
      zr.on(eventName, handler);
    });
    this._brushType = brushOption.brushType;
    this._brushOption = merge(clone(DEFAULT_BRUSH_OPT), brushOption, true);
  };
  BrushController2.prototype._doDisableBrush = function() {
    var zr = this._zr;
    release(zr, MUTEX_RESOURCE_KEY, this._uid);
    each(this._handlers, function(handler, eventName) {
      zr.off(eventName, handler);
    });
    this._brushType = this._brushOption = null;
  };
  BrushController2.prototype.setPanels = function(panelOpts) {
    if (panelOpts && panelOpts.length) {
      var panels_1 = this._panels = {};
      each(panelOpts, function(panelOpts2) {
        panels_1[panelOpts2.panelId] = clone(panelOpts2);
      });
    } else {
      this._panels = null;
    }
    return this;
  };
  BrushController2.prototype.mount = function(opt) {
    opt = opt || {};
    this._enableGlobalPan = opt.enableGlobalPan;
    var thisGroup = this.group;
    this._zr.add(thisGroup);
    thisGroup.attr({
      x: opt.x || 0,
      y: opt.y || 0,
      rotation: opt.rotation || 0,
      scaleX: opt.scaleX || 1,
      scaleY: opt.scaleY || 1
    });
    this._transform = thisGroup.getLocalTransform();
    return this;
  };
  BrushController2.prototype.updateCovers = function(coverConfigList) {
    coverConfigList = map(coverConfigList, function(coverConfig) {
      return merge(clone(DEFAULT_BRUSH_OPT), coverConfig, true);
    });
    var tmpIdPrefix = "\0-brush-index-";
    var oldCovers = this._covers;
    var newCovers = this._covers = [];
    var controller = this;
    var creatingCover = this._creatingCover;
    new DataDiffer(oldCovers, coverConfigList, oldGetKey, getKey).add(addOrUpdate).update(addOrUpdate).remove(remove).execute();
    return this;
    function getKey(brushOption, index) {
      return (brushOption.id != null ? brushOption.id : tmpIdPrefix + index) + "-" + brushOption.brushType;
    }
    function oldGetKey(cover, index) {
      return getKey(cover.__brushOption, index);
    }
    function addOrUpdate(newIndex, oldIndex) {
      var newBrushInternal = coverConfigList[newIndex];
      if (oldIndex != null && oldCovers[oldIndex] === creatingCover) {
        newCovers[newIndex] = oldCovers[oldIndex];
      } else {
        var cover = newCovers[newIndex] = oldIndex != null ? (oldCovers[oldIndex].__brushOption = newBrushInternal, oldCovers[oldIndex]) : endCreating(controller, createCover(controller, newBrushInternal));
        updateCoverAfterCreation(controller, cover);
      }
    }
    function remove(oldIndex) {
      if (oldCovers[oldIndex] !== creatingCover) {
        controller.group.remove(oldCovers[oldIndex]);
      }
    }
  };
  BrushController2.prototype.unmount = function() {
    this.enableBrush(false);
    clearCovers(this);
    this._zr.remove(this.group);
    return this;
  };
  BrushController2.prototype.dispose = function() {
    this.unmount();
    this.off();
  };
  return BrushController2;
}(Eventful);
function createCover(controller, brushOption) {
  var cover = coverRenderers[brushOption.brushType].createCover(controller, brushOption);
  cover.__brushOption = brushOption;
  updateZ(cover, brushOption);
  controller.group.add(cover);
  return cover;
}
function endCreating(controller, creatingCover) {
  var coverRenderer = getCoverRenderer(creatingCover);
  if (coverRenderer.endCreating) {
    coverRenderer.endCreating(controller, creatingCover);
    updateZ(creatingCover, creatingCover.__brushOption);
  }
  return creatingCover;
}
function updateCoverShape(controller, cover) {
  var brushOption = cover.__brushOption;
  getCoverRenderer(cover).updateCoverShape(controller, cover, brushOption.range, brushOption);
}
function updateZ(cover, brushOption) {
  var z = brushOption.z;
  z == null && (z = COVER_Z);
  cover.traverse(function(el) {
    el.z = z;
    el.z2 = z;
  });
}
function updateCoverAfterCreation(controller, cover) {
  getCoverRenderer(cover).updateCommon(controller, cover);
  updateCoverShape(controller, cover);
}
function getCoverRenderer(cover) {
  return coverRenderers[cover.__brushOption.brushType];
}
function getPanelByPoint(controller, e, localCursorPoint) {
  var panels = controller._panels;
  if (!panels) {
    return BRUSH_PANEL_GLOBAL;
  }
  var panel;
  var transform = controller._transform;
  each(panels, function(pn) {
    pn.isTargetByCursor(e, localCursorPoint, transform) && (panel = pn);
  });
  return panel;
}
function getPanelByCover(controller, cover) {
  var panels = controller._panels;
  if (!panels) {
    return BRUSH_PANEL_GLOBAL;
  }
  var panelId = cover.__brushOption.panelId;
  return panelId != null ? panels[panelId] : BRUSH_PANEL_GLOBAL;
}
function clearCovers(controller) {
  var covers = controller._covers;
  var originalLength = covers.length;
  each(covers, function(cover) {
    controller.group.remove(cover);
  }, controller);
  covers.length = 0;
  return !!originalLength;
}
function trigger(controller, opt) {
  var areas = map(controller._covers, function(cover) {
    var brushOption = cover.__brushOption;
    var range = clone(brushOption.range);
    return {
      brushType: brushOption.brushType,
      panelId: brushOption.panelId,
      range
    };
  });
  controller.trigger("brush", {
    areas,
    isEnd: !!opt.isEnd,
    removeOnClick: !!opt.removeOnClick
  });
}
function shouldShowCover(controller) {
  var track = controller._track;
  if (!track.length) {
    return false;
  }
  var p2 = track[track.length - 1];
  var p1 = track[0];
  var dx = p2[0] - p1[0];
  var dy = p2[1] - p1[1];
  var dist = mathPow(dx * dx + dy * dy, 0.5);
  return dist > UNSELECT_THRESHOLD;
}
function getTrackEnds(track) {
  var tail = track.length - 1;
  tail < 0 && (tail = 0);
  return [track[0], track[tail]];
}
function createBaseRectCover(rectRangeConverter, controller, brushOption, edgeNameSequences) {
  var cover = new Group();
  cover.add(new Rect({
    name: "main",
    style: makeStyle(brushOption),
    silent: true,
    draggable: true,
    cursor: "move",
    drift: curry(driftRect, rectRangeConverter, controller, cover, ["n", "s", "w", "e"]),
    ondragend: curry(trigger, controller, {
      isEnd: true
    })
  }));
  each(edgeNameSequences, function(nameSequence) {
    cover.add(new Rect({
      name: nameSequence.join(""),
      style: {
        opacity: 0
      },
      draggable: true,
      silent: true,
      invisible: true,
      drift: curry(driftRect, rectRangeConverter, controller, cover, nameSequence),
      ondragend: curry(trigger, controller, {
        isEnd: true
      })
    }));
  });
  return cover;
}
function updateBaseRect(controller, cover, localRange, brushOption) {
  var lineWidth = brushOption.brushStyle.lineWidth || 0;
  var handleSize = mathMax(lineWidth, MIN_RESIZE_LINE_WIDTH);
  var x = localRange[0][0];
  var y = localRange[1][0];
  var xa = x - lineWidth / 2;
  var ya = y - lineWidth / 2;
  var x2 = localRange[0][1];
  var y2 = localRange[1][1];
  var x2a = x2 - handleSize + lineWidth / 2;
  var y2a = y2 - handleSize + lineWidth / 2;
  var width = x2 - x;
  var height = y2 - y;
  var widtha = width + lineWidth;
  var heighta = height + lineWidth;
  updateRectShape(controller, cover, "main", x, y, width, height);
  if (brushOption.transformable) {
    updateRectShape(controller, cover, "w", xa, ya, handleSize, heighta);
    updateRectShape(controller, cover, "e", x2a, ya, handleSize, heighta);
    updateRectShape(controller, cover, "n", xa, ya, widtha, handleSize);
    updateRectShape(controller, cover, "s", xa, y2a, widtha, handleSize);
    updateRectShape(controller, cover, "nw", xa, ya, handleSize, handleSize);
    updateRectShape(controller, cover, "ne", x2a, ya, handleSize, handleSize);
    updateRectShape(controller, cover, "sw", xa, y2a, handleSize, handleSize);
    updateRectShape(controller, cover, "se", x2a, y2a, handleSize, handleSize);
  }
}
function updateCommon(controller, cover) {
  var brushOption = cover.__brushOption;
  var transformable = brushOption.transformable;
  var mainEl = cover.childAt(0);
  mainEl.useStyle(makeStyle(brushOption));
  mainEl.attr({
    silent: !transformable,
    cursor: transformable ? "move" : "default"
  });
  each([["w"], ["e"], ["n"], ["s"], ["s", "e"], ["s", "w"], ["n", "e"], ["n", "w"]], function(nameSequence) {
    var el = cover.childOfName(nameSequence.join(""));
    var globalDir = nameSequence.length === 1 ? getGlobalDirection1(controller, nameSequence[0]) : getGlobalDirection2(controller, nameSequence);
    el && el.attr({
      silent: !transformable,
      invisible: !transformable,
      cursor: transformable ? CURSOR_MAP[globalDir] + "-resize" : null
    });
  });
}
function updateRectShape(controller, cover, name, x, y, w, h) {
  var el = cover.childOfName(name);
  el && el.setShape(pointsToRect(clipByPanel(controller, cover, [[x, y], [x + w, y + h]])));
}
function makeStyle(brushOption) {
  return defaults({
    strokeNoScale: true
  }, brushOption.brushStyle);
}
function formatRectRange(x, y, x2, y2) {
  var min = [mathMin(x, x2), mathMin(y, y2)];
  var max = [mathMax(x, x2), mathMax(y, y2)];
  return [
    [min[0], max[0]],
    [min[1], max[1]]
  ];
}
function getTransform(controller) {
  return getTransform$1(controller.group);
}
function getGlobalDirection1(controller, localDirName) {
  var map2 = {
    w: "left",
    e: "right",
    n: "top",
    s: "bottom"
  };
  var inverseMap = {
    left: "w",
    right: "e",
    top: "n",
    bottom: "s"
  };
  var dir = transformDirection(map2[localDirName], getTransform(controller));
  return inverseMap[dir];
}
function getGlobalDirection2(controller, localDirNameSeq) {
  var globalDir = [getGlobalDirection1(controller, localDirNameSeq[0]), getGlobalDirection1(controller, localDirNameSeq[1])];
  (globalDir[0] === "e" || globalDir[0] === "w") && globalDir.reverse();
  return globalDir.join("");
}
function driftRect(rectRangeConverter, controller, cover, dirNameSequence, dx, dy) {
  var brushOption = cover.__brushOption;
  var rectRange = rectRangeConverter.toRectRange(brushOption.range);
  var localDelta = toLocalDelta(controller, dx, dy);
  each(dirNameSequence, function(dirName) {
    var ind = DIRECTION_MAP[dirName];
    rectRange[ind[0]][ind[1]] += localDelta[ind[0]];
  });
  brushOption.range = rectRangeConverter.fromRectRange(formatRectRange(rectRange[0][0], rectRange[1][0], rectRange[0][1], rectRange[1][1]));
  updateCoverAfterCreation(controller, cover);
  trigger(controller, {
    isEnd: false
  });
}
function driftPolygon(controller, cover, dx, dy) {
  var range = cover.__brushOption.range;
  var localDelta = toLocalDelta(controller, dx, dy);
  each(range, function(point) {
    point[0] += localDelta[0];
    point[1] += localDelta[1];
  });
  updateCoverAfterCreation(controller, cover);
  trigger(controller, {
    isEnd: false
  });
}
function toLocalDelta(controller, dx, dy) {
  var thisGroup = controller.group;
  var localD = thisGroup.transformCoordToLocal(dx, dy);
  var localZero = thisGroup.transformCoordToLocal(0, 0);
  return [localD[0] - localZero[0], localD[1] - localZero[1]];
}
function clipByPanel(controller, cover, data) {
  var panel = getPanelByCover(controller, cover);
  return panel && panel !== BRUSH_PANEL_GLOBAL ? panel.clipPath(data, controller._transform) : clone(data);
}
function pointsToRect(points) {
  var xmin = mathMin(points[0][0], points[1][0]);
  var ymin = mathMin(points[0][1], points[1][1]);
  var xmax = mathMax(points[0][0], points[1][0]);
  var ymax = mathMax(points[0][1], points[1][1]);
  return {
    x: xmin,
    y: ymin,
    width: xmax - xmin,
    height: ymax - ymin
  };
}
function resetCursor(controller, e, localCursorPoint) {
  if (!controller._brushType || isOutsideZrArea(controller, e.offsetX, e.offsetY)) {
    return;
  }
  var zr = controller._zr;
  var covers = controller._covers;
  var currPanel = getPanelByPoint(controller, e, localCursorPoint);
  if (!controller._dragging) {
    for (var i = 0; i < covers.length; i++) {
      var brushOption = covers[i].__brushOption;
      if (currPanel && (currPanel === BRUSH_PANEL_GLOBAL || brushOption.panelId === currPanel.panelId) && coverRenderers[brushOption.brushType].contain(covers[i], localCursorPoint[0], localCursorPoint[1])) {
        return;
      }
    }
  }
  currPanel && zr.setCursorStyle("crosshair");
}
function preventDefault(e) {
  var rawE = e.event;
  rawE.preventDefault && rawE.preventDefault();
}
function mainShapeContain(cover, x, y) {
  return cover.childOfName("main").contain(x, y);
}
function updateCoverByMouse(controller, e, localCursorPoint, isEnd) {
  var creatingCover = controller._creatingCover;
  var panel = controller._creatingPanel;
  var thisBrushOption = controller._brushOption;
  var eventParams;
  controller._track.push(localCursorPoint.slice());
  if (shouldShowCover(controller) || creatingCover) {
    if (panel && !creatingCover) {
      thisBrushOption.brushMode === "single" && clearCovers(controller);
      var brushOption = clone(thisBrushOption);
      brushOption.brushType = determineBrushType(brushOption.brushType, panel);
      brushOption.panelId = panel === BRUSH_PANEL_GLOBAL ? null : panel.panelId;
      creatingCover = controller._creatingCover = createCover(controller, brushOption);
      controller._covers.push(creatingCover);
    }
    if (creatingCover) {
      var coverRenderer = coverRenderers[determineBrushType(controller._brushType, panel)];
      var coverBrushOption = creatingCover.__brushOption;
      coverBrushOption.range = coverRenderer.getCreatingRange(clipByPanel(controller, creatingCover, controller._track));
      if (isEnd) {
        endCreating(controller, creatingCover);
        coverRenderer.updateCommon(controller, creatingCover);
      }
      updateCoverShape(controller, creatingCover);
      eventParams = {
        isEnd
      };
    }
  } else if (isEnd && thisBrushOption.brushMode === "single" && thisBrushOption.removeOnClick) {
    if (getPanelByPoint(controller, e, localCursorPoint) && clearCovers(controller)) {
      eventParams = {
        isEnd,
        removeOnClick: true
      };
    }
  }
  return eventParams;
}
function determineBrushType(brushType, panel) {
  if (brushType === "auto") {
    return panel.defaultBrushType;
  }
  return brushType;
}
var pointerHandlers = {
  mousedown: function(e) {
    if (this._dragging) {
      handleDragEnd(this, e);
    } else if (!e.target || !e.target.draggable) {
      preventDefault(e);
      var localCursorPoint = this.group.transformCoordToLocal(e.offsetX, e.offsetY);
      this._creatingCover = null;
      var panel = this._creatingPanel = getPanelByPoint(this, e, localCursorPoint);
      if (panel) {
        this._dragging = true;
        this._track = [localCursorPoint.slice()];
      }
    }
  },
  mousemove: function(e) {
    var x = e.offsetX;
    var y = e.offsetY;
    var localCursorPoint = this.group.transformCoordToLocal(x, y);
    resetCursor(this, e, localCursorPoint);
    if (this._dragging) {
      preventDefault(e);
      var eventParams = updateCoverByMouse(this, e, localCursorPoint, false);
      eventParams && trigger(this, eventParams);
    }
  },
  mouseup: function(e) {
    handleDragEnd(this, e);
  }
};
function handleDragEnd(controller, e) {
  if (controller._dragging) {
    preventDefault(e);
    var x = e.offsetX;
    var y = e.offsetY;
    var localCursorPoint = controller.group.transformCoordToLocal(x, y);
    var eventParams = updateCoverByMouse(controller, e, localCursorPoint, true);
    controller._dragging = false;
    controller._track = [];
    controller._creatingCover = null;
    eventParams && trigger(controller, eventParams);
  }
}
function isOutsideZrArea(controller, x, y) {
  var zr = controller._zr;
  return x < 0 || x > zr.getWidth() || y < 0 || y > zr.getHeight();
}
var coverRenderers = {
  lineX: getLineRenderer(0),
  lineY: getLineRenderer(1),
  rect: {
    createCover: function(controller, brushOption) {
      function returnInput(range) {
        return range;
      }
      return createBaseRectCover({
        toRectRange: returnInput,
        fromRectRange: returnInput
      }, controller, brushOption, [["w"], ["e"], ["n"], ["s"], ["s", "e"], ["s", "w"], ["n", "e"], ["n", "w"]]);
    },
    getCreatingRange: function(localTrack) {
      var ends = getTrackEnds(localTrack);
      return formatRectRange(ends[1][0], ends[1][1], ends[0][0], ends[0][1]);
    },
    updateCoverShape: function(controller, cover, localRange, brushOption) {
      updateBaseRect(controller, cover, localRange, brushOption);
    },
    updateCommon,
    contain: mainShapeContain
  },
  polygon: {
    createCover: function(controller, brushOption) {
      var cover = new Group();
      cover.add(new Polyline({
        name: "main",
        style: makeStyle(brushOption),
        silent: true
      }));
      return cover;
    },
    getCreatingRange: function(localTrack) {
      return localTrack;
    },
    endCreating: function(controller, cover) {
      cover.remove(cover.childAt(0));
      cover.add(new Polygon({
        name: "main",
        draggable: true,
        drift: curry(driftPolygon, controller, cover),
        ondragend: curry(trigger, controller, {
          isEnd: true
        })
      }));
    },
    updateCoverShape: function(controller, cover, localRange, brushOption) {
      cover.childAt(0).setShape({
        points: clipByPanel(controller, cover, localRange)
      });
    },
    updateCommon,
    contain: mainShapeContain
  }
};
function getLineRenderer(xyIndex) {
  return {
    createCover: function(controller, brushOption) {
      return createBaseRectCover({
        toRectRange: function(range) {
          var rectRange = [range, [0, 100]];
          xyIndex && rectRange.reverse();
          return rectRange;
        },
        fromRectRange: function(rectRange) {
          return rectRange[xyIndex];
        }
      }, controller, brushOption, [[["w"], ["e"]], [["n"], ["s"]]][xyIndex]);
    },
    getCreatingRange: function(localTrack) {
      var ends = getTrackEnds(localTrack);
      var min = mathMin(ends[0][xyIndex], ends[1][xyIndex]);
      var max = mathMax(ends[0][xyIndex], ends[1][xyIndex]);
      return [min, max];
    },
    updateCoverShape: function(controller, cover, localRange, brushOption) {
      var otherExtent;
      var panel = getPanelByCover(controller, cover);
      if (panel !== BRUSH_PANEL_GLOBAL && panel.getLinearBrushOtherExtent) {
        otherExtent = panel.getLinearBrushOtherExtent(xyIndex);
      } else {
        var zr = controller._zr;
        otherExtent = [0, [zr.getWidth(), zr.getHeight()][1 - xyIndex]];
      }
      var rectRange = [localRange, otherExtent];
      xyIndex && rectRange.reverse();
      updateBaseRect(controller, cover, rectRange, brushOption);
    },
    updateCommon,
    contain: mainShapeContain
  };
}
var BrushController$1 = BrushController;
export { BrushController$1 as default };