Файловый менеджер - Редактировать - /home2/cocinasdalloway/public_html/public/scripts/vendors/echarts/src/component/dataZoom/history.js
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/** * @file History manager. */ define(function(require) { var zrUtil = require('zrender/core/util'); var each = zrUtil.each; var ATTR = '\0_ec_hist_store'; var history = { /** * @public * @param {module:echarts/model/Global} ecModel * @param {Object} newSnapshot {dataZoomId, batch: [payloadInfo, ...]} */ push: function (ecModel, newSnapshot) { var store = giveStore(ecModel); // If previous dataZoom can not be found, // complete an range with current range. each(newSnapshot, function (batchItem, dataZoomId) { var i = store.length - 1; for (; i >= 0; i--) { var snapshot = store[i]; if (snapshot[dataZoomId]) { break; } } if (i < 0) { // No origin range set, create one by current range. var dataZoomModel = ecModel.queryComponents( {mainType: 'dataZoom', subType: 'select', id: dataZoomId} )[0]; if (dataZoomModel) { var percentRange = dataZoomModel.getPercentRange(); store[0][dataZoomId] = { dataZoomId: dataZoomId, start: percentRange[0], end: percentRange[1] }; } } }); store.push(newSnapshot); }, /** * @public * @param {module:echarts/model/Global} ecModel * @return {Object} snapshot */ pop: function (ecModel) { var store = giveStore(ecModel); var head = store[store.length - 1]; store.length > 1 && store.pop(); // Find top for all dataZoom. var snapshot = {}; each(head, function (batchItem, dataZoomId) { for (var i = store.length - 1; i >= 0; i--) { var batchItem = store[i][dataZoomId]; if (batchItem) { snapshot[dataZoomId] = batchItem; break; } } }); return snapshot; }, /** * @public */ clear: function (ecModel) { ecModel[ATTR] = null; }, /** * @public * @param {module:echarts/model/Global} ecModel * @return {number} records. always >= 1. */ count: function (ecModel) { return giveStore(ecModel).length; } }; /** * [{key: dataZoomId, value: {dataZoomId, range}}, ...] * History length of each dataZoom may be different. * this._history[0] is used to store origin range. * @type {Array.<Object>} */ function giveStore(ecModel) { var store = ecModel[ATTR]; if (!store) { store = ecModel[ATTR] = [{}]; } return store; } return history; });
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