| define(function(require) { |
| |
| 'use strict'; |
| |
| var zrUtil = require('zrender/core/util'); |
| |
| /** |
| * Interface of Coordinate System Class |
| * |
| * create: |
| * @param {module:echarts/model/Global} ecModel |
| * @param {module:echarts/ExtensionAPI} api |
| * @return {Object} coordinate system instance |
| * |
| * update: |
| * @param {module:echarts/model/Global} ecModel |
| * @param {module:echarts/ExtensionAPI} api |
| * |
| * convertToPixel: |
| * convertFromPixel: |
| * These two methods is also responsible for determine whether this |
| * coodinate system is applicable to the given `finder`. |
| * Each coordinate system will be tried, util one returns none |
| * null/undefined value. |
| * @param {module:echarts/model/Global} ecModel |
| * @param {Object} finder |
| * @param {Array|number} value |
| * @return {Array|number} convert result. |
| * |
| * containPoint: |
| * @param {Array.<number>} point In pixel coordinate system. |
| * @return {boolean} |
| */ |
| |
| var coordinateSystemCreators = {}; |
| |
| function CoordinateSystemManager() { |
| |
| this._coordinateSystems = []; |
| } |
| |
| CoordinateSystemManager.prototype = { |
| |
| constructor: CoordinateSystemManager, |
| |
| create: function (ecModel, api) { |
| var coordinateSystems = []; |
| zrUtil.each(coordinateSystemCreators, function (creater, type) { |
| var list = creater.create(ecModel, api); |
| coordinateSystems = coordinateSystems.concat(list || []); |
| }); |
| |
| this._coordinateSystems = coordinateSystems; |
| }, |
| |
| update: function (ecModel, api) { |
| zrUtil.each(this._coordinateSystems, function (coordSys) { |
| // FIXME MUST have |
| coordSys.update && coordSys.update(ecModel, api); |
| }); |
| }, |
| |
| getCoordinateSystems: function () { |
| return this._coordinateSystems.slice(); |
| } |
| }; |
| |
| CoordinateSystemManager.register = function (type, coordinateSystemCreator) { |
| coordinateSystemCreators[type] = coordinateSystemCreator; |
| }; |
| |
| CoordinateSystemManager.get = function (type) { |
| return coordinateSystemCreators[type]; |
| }; |
| |
| return CoordinateSystemManager; |
| }); |