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File: vendors/gentelella/vendors/echarts/src/component/visualMap/helper.js

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File: vendors/gentelella/vendors/echarts/src/component/visualMap/helper.js
Role: Auxiliary data
Content type: text/plain
Description: Auxiliary data
Class: Gentelella BladeOne
Render templates using Bootstrap for presentation
Author: By
Last change:
Date: 3 years ago
Size: 2,825 bytes
 

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define(function(require) { var layout = require('../../util/layout'); var zrUtil = require('zrender/core/util'); var DataDiffer = require('../../data/DataDiffer'); var helper = { /** * @param {module:echarts/component/visualMap/VisualMapModel} visualMapModel\ * @param {module:echarts/ExtensionAPI} api * @param {Array.<number>} itemSize always [short, long] * @return {string} 'left' or 'right' or 'top' or 'bottom' */ getItemAlign: function (visualMapModel, api, itemSize) { var modelOption = visualMapModel.option; var itemAlign = modelOption.align; if (itemAlign != null && itemAlign !== 'auto') { return itemAlign; } // Auto decision align. var ecSize = {width: api.getWidth(), height: api.getHeight()}; var realIndex = modelOption.orient === 'horizontal' ? 1 : 0; var paramsSet = [ ['left', 'right', 'width'], ['top', 'bottom', 'height'] ]; var reals = paramsSet[realIndex]; var fakeValue = [0, null, 10]; var layoutInput = {}; for (var i = 0; i < 3; i++) { layoutInput[paramsSet[1 - realIndex][i]] = fakeValue[i]; layoutInput[reals[i]] = i === 2 ? itemSize[0] : modelOption[reals[i]]; } var rParam = [['x', 'width', 3], ['y', 'height', 0]][realIndex]; var rect = layout.getLayoutRect(layoutInput, ecSize, modelOption.padding); return reals[ (rect.margin[rParam[2]] || 0) + rect[rParam[0]] + rect[rParam[1]] * 0.5 < ecSize[rParam[1]] * 0.5 ? 0 : 1 ]; }, convertDataIndicesToBatch: function (dataIndicesBySeries) { var batch = []; zrUtil.each(dataIndicesBySeries, function (item) { zrUtil.each(item.dataIndices, function (dataIndex) { batch.push({seriesId: item.seriesId, dataIndex: dataIndex}); }); }); return batch; }, removeDuplicateBatch: function (batchA, batchB) { var result = [[], []]; (new DataDiffer(batchA, batchB, getKey, getKey)) .add(add) .update(zrUtil.noop) .remove(remove) .execute(); function getKey(item) { return item.seriesId + '-' + item.dataIndex; } function add(index) { result[1].push(batchB[index]); } function remove(index) { result[0].push(batchA[index]); } return result; } }; return helper; });