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File: vendors/gentelella/vendors/echarts/src/coord/single/Single.js

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File: vendors/gentelella/vendors/echarts/src/coord/single/Single.js
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Class: Gentelella BladeOne
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/** * Single coordinates system. */ define(function (require) { var SingleAxis = require('./SingleAxis'); var axisHelper = require('../axisHelper'); var layout = require('../../util/layout'); /** * Create a single coordinates system. * * @param {module:echarts/coord/single/AxisModel} axisModel * @param {module:echarts/model/Global} ecModel * @param {module:echarts/ExtensionAPI} api */ function Single(axisModel, ecModel, api) { /** * @type {string} * @readOnly */ this.dimension = 'oneDim'; /** * Add it just for draw tooltip. * * @type {Array.<string>} * @readOnly */ this.dimensions = ['oneDim']; /** * @private * @type {module:echarts/coord/single/SingleAxis}. */ this._axis = null; /** * @private * @type {module:zrender/core/BoundingRect} */ this._rect; this._init(axisModel, ecModel, api); /** * @type {module:echarts/coord/single/AxisModel} */ this._model = axisModel; } Single.prototype = { type: 'single', constructor: Single, /** * Initialize single coordinate system. * * @param {module:echarts/coord/single/AxisModel} axisModel * @param {module:echarts/model/Global} ecModel * @param {module:echarts/ExtensionAPI} api * @private */ _init: function (axisModel, ecModel, api) { var dim = this.dimension; var axis = new SingleAxis( dim, axisHelper.createScaleByModel(axisModel), [0, 0], axisModel.get('type'), axisModel.get('position') ); var isCategory = axis.type === 'category'; axis.onBand = isCategory && axisModel.get('boundaryGap'); axis.inverse = axisModel.get('inverse'); axis.orient = axisModel.get('orient'); axisModel.axis = axis; axis.model = axisModel; this._axis = axis; }, /** * Update axis scale after data processed * @param {module:echarts/model/Global} ecModel * @param {module:echarts/ExtensionAPI} api */ update: function (ecModel, api) { this._updateAxisFromSeries(ecModel); }, /** * Update the axis extent from series. * * @param {module:echarts/model/Global} ecModel * @private */ _updateAxisFromSeries: function (ecModel) { ecModel.eachSeries(function (seriesModel) { var data = seriesModel.getData(); var dim = this.dimension; this._axis.scale.unionExtent( data.getDataExtent(seriesModel.coordDimToDataDim(dim)) ); axisHelper.niceScaleExtent(this._axis, this._axis.model); }, this); }, /** * Resize the single coordinate system. * * @param {module:echarts/coord/single/AxisModel} axisModel * @param {module:echarts/ExtensionAPI} api */ resize: function (axisModel, api) { this._rect = layout.getLayoutRect( { left: axisModel.get('left'), top: axisModel.get('top'), right: axisModel.get('right'), bottom: axisModel.get('bottom'), width: axisModel.get('width'), height: axisModel.get('height') }, { width: api.getWidth(), height: api.getHeight() } ); this._adjustAxis(); }, /** * @return {module:zrender/core/BoundingRect} */ getRect: function () { return this._rect; }, /** * @private */ _adjustAxis: function () { var rect = this._rect; var axis = this._axis; var isHorizontal = axis.isHorizontal(); var extent = isHorizontal ? [0, rect.width] : [0, rect.height]; var idx = axis.reverse ? 1 : 0; axis.setExtent(extent[idx], extent[1 - idx]); this._updateAxisTransform(axis, isHorizontal ? rect.x : rect.y); }, /** * @param {module:echarts/coord/single/SingleAxis} axis * @param {number} coordBase */ _updateAxisTransform: function (axis, coordBase) { var axisExtent = axis.getExtent(); var extentSum = axisExtent[0] + axisExtent[1]; var isHorizontal = axis.isHorizontal(); axis.toGlobalCoord = isHorizontal ? function (coord) { return coord + coordBase; } : function (coord) { return extentSum - coord + coordBase; }; axis.toLocalCoord = isHorizontal ? function (coord) { return coord - coordBase; } : function (coord) { return extentSum - coord + coordBase; }; }, /** * Get axis. * * @return {module:echarts/coord/single/SingleAxis} */ getAxis: function () { return this._axis; }, /** * Get axis, add it just for draw tooltip. * * @return {[type]} [description] */ getBaseAxis: function () { return this._axis; }, /** * If contain point. * * @param {Array.<number>} point * @return {boolean} */ containPoint: function (point) { var rect = this.getRect(); var axis = this.getAxis(); var orient = axis.orient; if (orient === 'horizontal') { return axis.contain(axis.toLocalCoord(point[0])) && (point[1] >= rect.y && point[1] <= (rect.y + rect.height)); } else { return axis.contain(axis.toLocalCoord(point[1])) && (point[0] >= rect.y && point[0] <= (rect.y + rect.height)); } }, /** * @param {Array.<number>} point */ pointToData: function (point) { var axis = this.getAxis(); var orient = axis.orient; if (orient === 'horizontal') { return [ axis.coordToData(axis.toLocalCoord(point[0])), point[1] ]; } else { return [ axis.coordToData(axis.toLocalCoord(point[1])), point[0] ]; } }, /** * Convert the series data to concrete point. * * @param {*} value * @return {number} */ dataToPoint: function (point) { var axis = this.getAxis(); return [axis.toGlobalCoord(axis.dataToCoord(point[0])), point[1]]; } }; return Single; });