axisModelCommonMixin.js 2.3 KB

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  1. var zrUtil = require("zrender/lib/core/util");
  2. var axisHelper = require("./axisHelper");
  3. function getName(obj) {
  4. if (zrUtil.isObject(obj) && obj.value != null) {
  5. return obj.value;
  6. } else {
  7. return obj + '';
  8. }
  9. }
  10. var _default = {
  11. /**
  12. * Format labels
  13. * @return {Array.<string>}
  14. */
  15. getFormattedLabels: function () {
  16. return axisHelper.getFormattedLabels(this.axis, this.get('axisLabel.formatter'));
  17. },
  18. /**
  19. * Get categories
  20. */
  21. getCategories: function () {
  22. return this.get('type') === 'category' && zrUtil.map(this.get('data'), getName);
  23. },
  24. /**
  25. * @param {boolean} origin
  26. * @return {number|string} min value or 'dataMin' or null/undefined (means auto) or NaN
  27. */
  28. getMin: function (origin) {
  29. var option = this.option;
  30. var min = !origin && option.rangeStart != null ? option.rangeStart : option.min;
  31. if (this.axis && min != null && min !== 'dataMin' && typeof min !== 'function' && !zrUtil.eqNaN(min)) {
  32. min = this.axis.scale.parse(min);
  33. }
  34. return min;
  35. },
  36. /**
  37. * @param {boolean} origin
  38. * @return {number|string} max value or 'dataMax' or null/undefined (means auto) or NaN
  39. */
  40. getMax: function (origin) {
  41. var option = this.option;
  42. var max = !origin && option.rangeEnd != null ? option.rangeEnd : option.max;
  43. if (this.axis && max != null && max !== 'dataMax' && typeof max !== 'function' && !zrUtil.eqNaN(max)) {
  44. max = this.axis.scale.parse(max);
  45. }
  46. return max;
  47. },
  48. /**
  49. * @return {boolean}
  50. */
  51. getNeedCrossZero: function () {
  52. var option = this.option;
  53. return option.rangeStart != null || option.rangeEnd != null ? false : !option.scale;
  54. },
  55. /**
  56. * Should be implemented by each axis model if necessary.
  57. * @return {module:echarts/model/Component} coordinate system model
  58. */
  59. getCoordSysModel: zrUtil.noop,
  60. /**
  61. * @param {number} rangeStart Can only be finite number or null/undefined or NaN.
  62. * @param {number} rangeEnd Can only be finite number or null/undefined or NaN.
  63. */
  64. setRange: function (rangeStart, rangeEnd) {
  65. this.option.rangeStart = rangeStart;
  66. this.option.rangeEnd = rangeEnd;
  67. },
  68. /**
  69. * Reset range
  70. */
  71. resetRange: function () {
  72. // rangeStart and rangeEnd is readonly.
  73. this.option.rangeStart = this.option.rangeEnd = null;
  74. }
  75. };
  76. module.exports = _default;