923 lines
27 KiB
JavaScript
923 lines
27 KiB
JavaScript
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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var _config = require("../../config");
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var __DEV__ = _config.__DEV__;
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var zrUtil = require("zrender/lib/core/util");
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var Eventful = require("zrender/lib/mixin/Eventful");
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var graphic = require("../../util/graphic");
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var interactionMutex = require("./interactionMutex");
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var DataDiffer = require("../../data/DataDiffer");
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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var curry = zrUtil.curry;
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var each = zrUtil.each;
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var map = zrUtil.map;
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var mathMin = Math.min;
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var mathMax = Math.max;
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var mathPow = Math.pow;
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var COVER_Z = 10000;
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var UNSELECT_THRESHOLD = 6;
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var MIN_RESIZE_LINE_WIDTH = 6;
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var MUTEX_RESOURCE_KEY = 'globalPan';
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var DIRECTION_MAP = {
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w: [0, 0],
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e: [0, 1],
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n: [1, 0],
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s: [1, 1]
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};
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var CURSOR_MAP = {
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w: 'ew',
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e: 'ew',
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n: 'ns',
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s: 'ns',
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ne: 'nesw',
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sw: 'nesw',
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nw: 'nwse',
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se: 'nwse'
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};
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var DEFAULT_BRUSH_OPT = {
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brushStyle: {
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lineWidth: 2,
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stroke: 'rgba(0,0,0,0.3)',
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fill: 'rgba(0,0,0,0.1)'
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},
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transformable: true,
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brushMode: 'single',
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removeOnClick: false
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};
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var baseUID = 0;
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/**
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* @alias module:echarts/component/helper/BrushController
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* @constructor
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* @mixin {module:zrender/mixin/Eventful}
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* @event module:echarts/component/helper/BrushController#brush
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* params:
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* areas: Array.<Array>, coord relates to container group,
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* If no container specified, to global.
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* opt {
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* isEnd: boolean,
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* removeOnClick: boolean
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* }
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*
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* @param {module:zrender/zrender~ZRender} zr
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*/
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function BrushController(zr) {
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Eventful.call(this);
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/**
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* @type {module:zrender/zrender~ZRender}
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* @private
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*/
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this._zr = zr;
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/**
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* @type {module:zrender/container/Group}
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* @readOnly
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*/
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this.group = new graphic.Group();
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/**
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* Only for drawing (after enabledBrush).
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* 'line', 'rect', 'polygon' or false
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* If passing false/null/undefined, disable brush.
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* If passing 'auto', determined by panel.defaultBrushType
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* @private
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* @type {string}
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*/
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this._brushType;
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/**
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* Only for drawing (after enabledBrush).
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*
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* @private
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* @type {Object}
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*/
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this._brushOption;
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/**
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* @private
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* @type {Object}
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*/
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this._panels;
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/**
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* @private
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* @type {Array.<nubmer>}
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*/
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this._track = [];
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/**
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* @private
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* @type {boolean}
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*/
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this._dragging;
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/**
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* @private
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* @type {Array}
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*/
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this._covers = [];
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/**
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* @private
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* @type {moudule:zrender/container/Group}
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*/
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this._creatingCover;
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/**
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* `true` means global panel
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* @private
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* @type {module:zrender/container/Group|boolean}
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*/
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this._creatingPanel;
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/**
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* @private
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* @type {boolean}
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*/
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this._enableGlobalPan;
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/**
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* @private
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* @type {boolean}
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*/
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/**
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* @private
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* @type {string}
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*/
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this._uid = 'brushController_' + baseUID++;
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/**
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* @private
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* @type {Object}
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*/
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this._handlers = {};
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each(pointerHandlers, function (handler, eventName) {
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this._handlers[eventName] = zrUtil.bind(handler, this);
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}, this);
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}
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BrushController.prototype = {
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constructor: BrushController,
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/**
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* If set to null/undefined/false, select disabled.
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* @param {Object} brushOption
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* @param {string|boolean} brushOption.brushType 'line', 'rect', 'polygon' or false
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* If passing false/null/undefined, disable brush.
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* If passing 'auto', determined by panel.defaultBrushType.
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* ('auto' can not be used in global panel)
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* @param {number} [brushOption.brushMode='single'] 'single' or 'multiple'
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* @param {boolean} [brushOption.transformable=true]
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* @param {boolean} [brushOption.removeOnClick=false]
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* @param {Object} [brushOption.brushStyle]
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* @param {number} [brushOption.brushStyle.width]
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* @param {number} [brushOption.brushStyle.lineWidth]
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* @param {string} [brushOption.brushStyle.stroke]
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* @param {string} [brushOption.brushStyle.fill]
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* @param {number} [brushOption.z]
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*/
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enableBrush: function (brushOption) {
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this._brushType && doDisableBrush(this);
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brushOption.brushType && doEnableBrush(this, brushOption);
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return this;
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},
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/**
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* @param {Array.<Object>} panelOpts If not pass, it is global brush.
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* Each items: {
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* panelId, // mandatory.
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* clipPath, // mandatory. function.
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* isTargetByCursor, // mandatory. function.
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* defaultBrushType, // optional, only used when brushType is 'auto'.
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* getLinearBrushOtherExtent, // optional. function.
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* }
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*/
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setPanels: function (panelOpts) {
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if (panelOpts && panelOpts.length) {
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var panels = this._panels = {};
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zrUtil.each(panelOpts, function (panelOpts) {
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panels[panelOpts.panelId] = zrUtil.clone(panelOpts);
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});
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} else {
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this._panels = null;
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}
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return this;
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},
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/**
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* @param {Object} [opt]
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* @return {boolean} [opt.enableGlobalPan=false]
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*/
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mount: function (opt) {
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opt = opt || {};
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this._enableGlobalPan = opt.enableGlobalPan;
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var thisGroup = this.group;
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this._zr.add(thisGroup);
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thisGroup.attr({
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position: opt.position || [0, 0],
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rotation: opt.rotation || 0,
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scale: opt.scale || [1, 1]
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});
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this._transform = thisGroup.getLocalTransform();
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return this;
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},
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eachCover: function (cb, context) {
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each(this._covers, cb, context);
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},
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/**
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* Update covers.
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* @param {Array.<Object>} brushOptionList Like:
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* [
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* {id: 'xx', brushType: 'line', range: [23, 44], brushStyle, transformable},
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* {id: 'yy', brushType: 'rect', range: [[23, 44], [23, 54]]},
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* ...
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* ]
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* `brushType` is required in each cover info. (can not be 'auto')
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* `id` is not mandatory.
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* `brushStyle`, `transformable` is not mandatory, use DEFAULT_BRUSH_OPT by default.
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* If brushOptionList is null/undefined, all covers removed.
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*/
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updateCovers: function (brushOptionList) {
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brushOptionList = zrUtil.map(brushOptionList, function (brushOption) {
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return zrUtil.merge(zrUtil.clone(DEFAULT_BRUSH_OPT), brushOption, true);
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});
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var tmpIdPrefix = '\0-brush-index-';
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var oldCovers = this._covers;
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var newCovers = this._covers = [];
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var controller = this;
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var creatingCover = this._creatingCover;
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new DataDiffer(oldCovers, brushOptionList, oldGetKey, getKey).add(addOrUpdate).update(addOrUpdate).remove(remove).execute();
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return this;
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function getKey(brushOption, index) {
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return (brushOption.id != null ? brushOption.id : tmpIdPrefix + index) + '-' + brushOption.brushType;
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}
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function oldGetKey(cover, index) {
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return getKey(cover.__brushOption, index);
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}
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function addOrUpdate(newIndex, oldIndex) {
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var newBrushOption = brushOptionList[newIndex]; // Consider setOption in event listener of brushSelect,
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// where updating cover when creating should be forbiden.
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if (oldIndex != null && oldCovers[oldIndex] === creatingCover) {
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newCovers[newIndex] = oldCovers[oldIndex];
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} else {
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var cover = newCovers[newIndex] = oldIndex != null ? (oldCovers[oldIndex].__brushOption = newBrushOption, oldCovers[oldIndex]) : endCreating(controller, createCover(controller, newBrushOption));
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updateCoverAfterCreation(controller, cover);
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}
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}
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function remove(oldIndex) {
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if (oldCovers[oldIndex] !== creatingCover) {
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controller.group.remove(oldCovers[oldIndex]);
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}
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}
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},
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unmount: function () {
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this.enableBrush(false); // container may 'removeAll' outside.
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clearCovers(this);
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this._zr.remove(this.group);
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return this;
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},
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dispose: function () {
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this.unmount();
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this.off();
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}
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};
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zrUtil.mixin(BrushController, Eventful);
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function doEnableBrush(controller, brushOption) {
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var zr = controller._zr; // Consider roam, which takes globalPan too.
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if (!controller._enableGlobalPan) {
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interactionMutex.take(zr, MUTEX_RESOURCE_KEY, controller._uid);
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}
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mountHandlers(zr, controller._handlers);
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controller._brushType = brushOption.brushType;
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controller._brushOption = zrUtil.merge(zrUtil.clone(DEFAULT_BRUSH_OPT), brushOption, true);
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}
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function doDisableBrush(controller) {
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var zr = controller._zr;
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interactionMutex.release(zr, MUTEX_RESOURCE_KEY, controller._uid);
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unmountHandlers(zr, controller._handlers);
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controller._brushType = controller._brushOption = null;
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}
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function mountHandlers(zr, handlers) {
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each(handlers, function (handler, eventName) {
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zr.on(eventName, handler);
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});
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}
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function unmountHandlers(zr, handlers) {
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each(handlers, function (handler, eventName) {
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zr.off(eventName, handler);
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});
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}
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function createCover(controller, brushOption) {
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var cover = coverRenderers[brushOption.brushType].createCover(controller, brushOption);
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cover.__brushOption = brushOption;
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updateZ(cover, brushOption);
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controller.group.add(cover);
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return cover;
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}
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function endCreating(controller, creatingCover) {
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var coverRenderer = getCoverRenderer(creatingCover);
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if (coverRenderer.endCreating) {
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coverRenderer.endCreating(controller, creatingCover);
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updateZ(creatingCover, creatingCover.__brushOption);
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}
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return creatingCover;
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}
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function updateCoverShape(controller, cover) {
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var brushOption = cover.__brushOption;
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getCoverRenderer(cover).updateCoverShape(controller, cover, brushOption.range, brushOption);
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}
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function updateZ(cover, brushOption) {
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var z = brushOption.z;
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z == null && (z = COVER_Z);
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cover.traverse(function (el) {
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el.z = z;
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el.z2 = z; // Consider in given container.
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});
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}
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function updateCoverAfterCreation(controller, cover) {
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getCoverRenderer(cover).updateCommon(controller, cover);
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updateCoverShape(controller, cover);
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}
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function getCoverRenderer(cover) {
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return coverRenderers[cover.__brushOption.brushType];
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} // return target panel or `true` (means global panel)
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function getPanelByPoint(controller, e, localCursorPoint) {
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var panels = controller._panels;
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if (!panels) {
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return true; // Global panel
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}
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var panel;
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var transform = controller._transform;
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each(panels, function (pn) {
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pn.isTargetByCursor(e, localCursorPoint, transform) && (panel = pn);
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});
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return panel;
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} // Return a panel or true
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function getPanelByCover(controller, cover) {
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var panels = controller._panels;
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if (!panels) {
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return true; // Global panel
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}
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var panelId = cover.__brushOption.panelId; // User may give cover without coord sys info,
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// which is then treated as global panel.
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return panelId != null ? panels[panelId] : true;
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}
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function clearCovers(controller) {
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var covers = controller._covers;
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var originalLength = covers.length;
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each(covers, function (cover) {
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controller.group.remove(cover);
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}, controller);
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covers.length = 0;
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return !!originalLength;
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}
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function trigger(controller, opt) {
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var areas = map(controller._covers, function (cover) {
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var brushOption = cover.__brushOption;
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var range = zrUtil.clone(brushOption.range);
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return {
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brushType: brushOption.brushType,
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panelId: brushOption.panelId,
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range: range
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};
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});
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controller.trigger('brush', areas, {
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isEnd: !!opt.isEnd,
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removeOnClick: !!opt.removeOnClick
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});
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}
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function shouldShowCover(controller) {
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var track = controller._track;
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if (!track.length) {
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return false;
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}
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var p2 = track[track.length - 1];
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var p1 = track[0];
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var dx = p2[0] - p1[0];
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var dy = p2[1] - p1[1];
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var dist = mathPow(dx * dx + dy * dy, 0.5);
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return dist > UNSELECT_THRESHOLD;
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}
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function getTrackEnds(track) {
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var tail = track.length - 1;
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tail < 0 && (tail = 0);
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return [track[0], track[tail]];
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}
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function createBaseRectCover(doDrift, controller, brushOption, edgeNames) {
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var cover = new graphic.Group();
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cover.add(new graphic.Rect({
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name: 'main',
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style: makeStyle(brushOption),
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silent: true,
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draggable: true,
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cursor: 'move',
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drift: curry(doDrift, controller, cover, 'nswe'),
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ondragend: curry(trigger, controller, {
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isEnd: true
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})
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}));
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each(edgeNames, function (name) {
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cover.add(new graphic.Rect({
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name: name,
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style: {
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opacity: 0
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},
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draggable: true,
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silent: true,
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invisible: true,
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drift: curry(doDrift, controller, cover, name),
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ondragend: curry(trigger, controller, {
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isEnd: true
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})
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}));
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});
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return cover;
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}
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function updateBaseRect(controller, cover, localRange, brushOption) {
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var lineWidth = brushOption.brushStyle.lineWidth || 0;
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var handleSize = mathMax(lineWidth, MIN_RESIZE_LINE_WIDTH);
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var x = localRange[0][0];
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var y = localRange[1][0];
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var xa = x - lineWidth / 2;
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var ya = y - lineWidth / 2;
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var x2 = localRange[0][1];
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var y2 = localRange[1][1];
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var x2a = x2 - handleSize + lineWidth / 2;
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var y2a = y2 - handleSize + lineWidth / 2;
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var width = x2 - x;
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var height = y2 - y;
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var widtha = width + lineWidth;
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var heighta = height + lineWidth;
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updateRectShape(controller, cover, 'main', x, y, width, height);
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if (brushOption.transformable) {
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updateRectShape(controller, cover, 'w', xa, ya, handleSize, heighta);
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updateRectShape(controller, cover, 'e', x2a, ya, handleSize, heighta);
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updateRectShape(controller, cover, 'n', xa, ya, widtha, handleSize);
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updateRectShape(controller, cover, 's', xa, y2a, widtha, handleSize);
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updateRectShape(controller, cover, 'nw', xa, ya, handleSize, handleSize);
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updateRectShape(controller, cover, 'ne', x2a, ya, handleSize, handleSize);
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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', 'se', 'sw', 'ne', 'nw'], function (name) {
|
|
var el = cover.childOfName(name);
|
|
var globalDir = getGlobalDirection(controller, name);
|
|
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 zrUtil.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]], // x range
|
|
[min[1], max[1]] // y range
|
|
];
|
|
}
|
|
|
|
function getTransform(controller) {
|
|
return graphic.getTransform(controller.group);
|
|
}
|
|
|
|
function getGlobalDirection(controller, localDirection) {
|
|
if (localDirection.length > 1) {
|
|
localDirection = localDirection.split('');
|
|
var globalDir = [getGlobalDirection(controller, localDirection[0]), getGlobalDirection(controller, localDirection[1])];
|
|
(globalDir[0] === 'e' || globalDir[0] === 'w') && globalDir.reverse();
|
|
return globalDir.join('');
|
|
} else {
|
|
var map = {
|
|
w: 'left',
|
|
e: 'right',
|
|
n: 'top',
|
|
s: 'bottom'
|
|
};
|
|
var inverseMap = {
|
|
left: 'w',
|
|
right: 'e',
|
|
top: 'n',
|
|
bottom: 's'
|
|
};
|
|
var globalDir = graphic.transformDirection(map[localDirection], getTransform(controller));
|
|
return inverseMap[globalDir];
|
|
}
|
|
}
|
|
|
|
function driftRect(toRectRange, fromRectRange, controller, cover, name, dx, dy, e) {
|
|
var brushOption = cover.__brushOption;
|
|
var rectRange = toRectRange(brushOption.range);
|
|
var localDelta = toLocalDelta(controller, dx, dy);
|
|
each(name.split(''), function (namePart) {
|
|
var ind = DIRECTION_MAP[namePart];
|
|
rectRange[ind[0]][ind[1]] += localDelta[ind[0]];
|
|
});
|
|
brushOption.range = 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, e) {
|
|
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 !== true ? panel.clipPath(data, controller._transform) : zrUtil.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 ( // Check active
|
|
!controller._brushType // resetCursor should be always called when mouse is in zr area,
|
|
// but not called when mouse is out of zr area to avoid bad influence
|
|
// if `mousemove`, `mouseup` are triggered from `document` event.
|
|
|| isOutsideZrArea(controller, e)) {
|
|
return;
|
|
}
|
|
|
|
var zr = controller._zr;
|
|
var covers = controller._covers;
|
|
var currPanel = getPanelByPoint(controller, e, localCursorPoint); // Check whether in covers.
|
|
|
|
if (!controller._dragging) {
|
|
for (var i = 0; i < covers.length; i++) {
|
|
var brushOption = covers[i].__brushOption;
|
|
|
|
if (currPanel && (currPanel === true || brushOption.panelId === currPanel.panelId) && coverRenderers[brushOption.brushType].contain(covers[i], localCursorPoint[0], localCursorPoint[1])) {
|
|
// Use cursor style set on cover.
|
|
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 = zrUtil.clone(thisBrushOption);
|
|
brushOption.brushType = determineBrushType(brushOption.brushType, panel);
|
|
brushOption.panelId = panel === true ? 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: isEnd
|
|
};
|
|
}
|
|
} else if (isEnd && thisBrushOption.brushMode === 'single' && thisBrushOption.removeOnClick) {
|
|
// Help user to remove covers easily, only by a tiny drag, in 'single' mode.
|
|
// But a single click do not clear covers, because user may have casual
|
|
// clicks (for example, click on other component and do not expect covers
|
|
// disappear).
|
|
// Only some cover removed, trigger action, but not every click trigger action.
|
|
if (getPanelByPoint(controller, e, localCursorPoint) && clearCovers(controller)) {
|
|
eventParams = {
|
|
isEnd: 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) {
|
|
// In case some browser do not support globalOut,
|
|
// and release mose out side the browser.
|
|
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; // trigger event shoule be at final, after procedure will be nested.
|
|
|
|
eventParams && trigger(controller, eventParams);
|
|
}
|
|
}
|
|
|
|
function isOutsideZrArea(controller, x, y) {
|
|
var zr = controller._zr;
|
|
return x < 0 || x > zr.getWidth() || y < 0 || y > zr.getHeight();
|
|
}
|
|
/**
|
|
* key: brushType
|
|
* @type {Object}
|
|
*/
|
|
|
|
|
|
var coverRenderers = {
|
|
lineX: getLineRenderer(0),
|
|
lineY: getLineRenderer(1),
|
|
rect: {
|
|
createCover: function (controller, brushOption) {
|
|
return createBaseRectCover(curry(driftRect, function (range) {
|
|
return range;
|
|
}, function (range) {
|
|
return range;
|
|
}), controller, brushOption, ['w', 'e', 'n', 's', 'se', 'sw', 'ne', 'nw']);
|
|
},
|
|
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: updateCommon,
|
|
contain: mainShapeContain
|
|
},
|
|
polygon: {
|
|
createCover: function (controller, brushOption) {
|
|
var cover = new graphic.Group(); // Do not use graphic.Polygon because graphic.Polyline do not close the
|
|
// border of the shape when drawing, which is a better experience for user.
|
|
|
|
cover.add(new graphic.Polyline({
|
|
name: 'main',
|
|
style: makeStyle(brushOption),
|
|
silent: true
|
|
}));
|
|
return cover;
|
|
},
|
|
getCreatingRange: function (localTrack) {
|
|
return localTrack;
|
|
},
|
|
endCreating: function (controller, cover) {
|
|
cover.remove(cover.childAt(0)); // Use graphic.Polygon close the shape.
|
|
|
|
cover.add(new graphic.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: updateCommon,
|
|
contain: mainShapeContain
|
|
}
|
|
};
|
|
|
|
function getLineRenderer(xyIndex) {
|
|
return {
|
|
createCover: function (controller, brushOption) {
|
|
return createBaseRectCover(curry(driftRect, function (range) {
|
|
var rectRange = [range, [0, 100]];
|
|
xyIndex && rectRange.reverse();
|
|
return rectRange;
|
|
}, 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; // If brushWidth not specified, fit the panel.
|
|
|
|
var panel = getPanelByCover(controller, cover);
|
|
|
|
if (panel !== true && panel.getLinearBrushOtherExtent) {
|
|
otherExtent = panel.getLinearBrushOtherExtent(xyIndex, controller._transform);
|
|
} 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: updateCommon,
|
|
contain: mainShapeContain
|
|
};
|
|
}
|
|
|
|
var _default = BrushController;
|
|
module.exports = _default; |