1 | "use strict";
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2 | Object.defineProperty(exports, "__esModule", { value: true });
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3 | var tslib_1 = require("tslib");
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4 | var base_1 = require("./base");
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5 | var dependents_1 = require("../../dependents");
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6 | var bbox_1 = require("../../util/bbox");
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7 | var direction_1 = require("../../util/direction");
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8 | var constant_1 = require("../../constant");
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9 | var util_1 = require("@antv/util");
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10 | var helper_1 = require("../../util/helper");
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11 | var DEFAULT_PADDING = 0;
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12 | var DEFAULT_SIZE = 8;
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13 | var DEFAULT_CATEGORY_SIZE = 32;
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14 | var MIN_THUMB_LENGTH = 20;
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15 | var Scrollbar = (function (_super) {
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16 | tslib_1.__extends(Scrollbar, _super);
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17 | function Scrollbar(view) {
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18 | var _this = _super.call(this, view) || this;
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19 | _this.onChangeFn = util_1.noop;
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20 | _this.resetMeasure = function () {
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21 | _this.clear();
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22 | };
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23 | _this.onValueChange = function (_a) {
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24 | var ratio = _a.ratio;
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25 | var animate = _this.getValidScrollbarCfg().animate;
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26 | _this.ratio = (0, util_1.clamp)(ratio, 0, 1);
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27 | var originalAnimate = _this.view.getOptions().animate;
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28 | if (!animate) {
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29 | _this.view.animate(false);
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30 | }
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31 | _this.changeViewData(_this.getScrollRange(), true);
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32 | _this.view.animate(originalAnimate);
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33 | };
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34 | _this.container = _this.view.getLayer(constant_1.LAYER.FORE).addGroup();
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35 | _this.onChangeFn = (0, util_1.throttle)(_this.onValueChange, 20, {
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36 | leading: true,
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37 | });
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38 | _this.trackLen = 0;
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39 | _this.thumbLen = 0;
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40 | _this.ratio = 0;
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41 | _this.view.on(constant_1.VIEW_LIFE_CIRCLE.BEFORE_CHANGE_DATA, _this.resetMeasure);
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42 | _this.view.on(constant_1.VIEW_LIFE_CIRCLE.BEFORE_CHANGE_SIZE, _this.resetMeasure);
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43 | return _this;
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44 | }
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45 | Object.defineProperty(Scrollbar.prototype, "name", {
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46 | get: function () {
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47 | return 'scrollbar';
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48 | },
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49 | enumerable: false,
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50 | configurable: true
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51 | });
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52 | Scrollbar.prototype.destroy = function () {
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53 | _super.prototype.destroy.call(this);
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54 | this.view.off(constant_1.VIEW_LIFE_CIRCLE.BEFORE_CHANGE_DATA, this.resetMeasure);
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55 | this.view.off(constant_1.VIEW_LIFE_CIRCLE.BEFORE_CHANGE_SIZE, this.resetMeasure);
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56 | };
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57 | Scrollbar.prototype.init = function () { };
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58 | |
59 |
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60 |
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61 | Scrollbar.prototype.render = function () {
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62 | this.option = this.view.getOptions().scrollbar;
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63 | if (this.option) {
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64 | if (this.scrollbar) {
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65 |
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66 | this.scrollbar = this.updateScrollbar();
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67 | }
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68 | else {
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69 |
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70 | this.scrollbar = this.createScrollbar();
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71 | this.scrollbar.component.on('scrollchange', this.onChangeFn);
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72 | }
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73 | }
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74 | else {
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75 | if (this.scrollbar) {
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76 |
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77 | this.scrollbar.component.destroy();
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78 | this.scrollbar = undefined;
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79 | }
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80 | }
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81 | };
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82 | |
83 |
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84 |
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85 | Scrollbar.prototype.layout = function () {
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86 | var _this = this;
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87 | if (this.option && !this.trackLen) {
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88 | this.measureScrollbar();
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89 | setTimeout(function () {
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90 | if (!_this.view.destroyed) {
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91 | _this.changeViewData(_this.getScrollRange(), true);
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92 | }
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93 | });
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94 | }
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95 | if (this.scrollbar) {
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96 | var width = this.view.coordinateBBox.width;
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97 | var padding = this.scrollbar.component.get('padding');
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98 | var bboxObject = this.scrollbar.component.getLayoutBBox();
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99 | var bbox = new bbox_1.BBox(bboxObject.x, bboxObject.y, Math.min(bboxObject.width, width), bboxObject.height).expand(padding);
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100 | var cfg = this.getScrollbarComponentCfg();
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101 | var x = void 0;
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102 | var y = void 0;
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103 | if (cfg.isHorizontal) {
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104 | var _a = tslib_1.__read((0, direction_1.directionToPosition)(this.view.viewBBox, bbox, constant_1.DIRECTION.BOTTOM), 2), x1 = _a[0], y1 = _a[1];
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105 | var _b = tslib_1.__read((0, direction_1.directionToPosition)(this.view.coordinateBBox, bbox, constant_1.DIRECTION.BOTTOM), 2), x2 = _b[0], y2 = _b[1];
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106 | x = x2;
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107 | y = y1;
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108 | }
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109 | else {
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110 | var _c = tslib_1.__read((0, direction_1.directionToPosition)(this.view.viewBBox, bbox, constant_1.DIRECTION.RIGHT), 2), x1 = _c[0], y1 = _c[1];
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111 | var _d = tslib_1.__read((0, direction_1.directionToPosition)(this.view.viewBBox, bbox, constant_1.DIRECTION.RIGHT), 2), x2 = _d[0], y2 = _d[1];
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112 | x = x2;
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113 | y = y1;
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114 | }
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115 | x += padding[3];
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116 | y += padding[0];
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117 |
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118 | if (this.trackLen) {
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119 | this.scrollbar.component.update(tslib_1.__assign(tslib_1.__assign({}, cfg), { x: x, y: y, trackLen: this.trackLen, thumbLen: this.thumbLen, thumbOffset: (this.trackLen - this.thumbLen) * this.ratio }));
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120 | }
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121 | else {
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122 | this.scrollbar.component.update(tslib_1.__assign(tslib_1.__assign({}, cfg), { x: x, y: y }));
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123 | }
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124 | this.view.viewBBox = this.view.viewBBox.cut(bbox, cfg.isHorizontal ? constant_1.DIRECTION.BOTTOM : constant_1.DIRECTION.RIGHT);
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125 | }
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126 | };
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127 | |
128 |
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129 |
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130 | Scrollbar.prototype.update = function () {
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131 |
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132 | this.render();
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133 | };
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134 | Scrollbar.prototype.getComponents = function () {
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135 | return this.scrollbar ? [this.scrollbar] : [];
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136 | };
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137 | Scrollbar.prototype.clear = function () {
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138 | if (this.scrollbar) {
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139 | this.scrollbar.component.destroy();
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140 | this.scrollbar = undefined;
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141 | }
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142 | this.trackLen = 0;
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143 | this.thumbLen = 0;
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144 | this.ratio = 0;
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145 | this.cnt = 0;
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146 | this.step = 0;
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147 | this.data = undefined;
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148 | this.xScaleCfg = undefined;
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149 | this.yScalesCfg = [];
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150 | };
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151 |
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152 | Scrollbar.prototype.setValue = function (ratio) {
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153 | this.onValueChange({ ratio: ratio });
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154 | };
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155 |
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156 | Scrollbar.prototype.getValue = function () {
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157 | return this.ratio;
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158 | };
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159 | |
160 |
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161 |
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162 | Scrollbar.prototype.getThemeOptions = function () {
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163 | var theme = this.view.getTheme();
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164 | return (0, util_1.get)(theme, ['components', 'scrollbar', 'common'], {});
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165 | };
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166 | |
167 |
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168 |
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169 | Scrollbar.prototype.getScrollbarTheme = function (style) {
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170 | var theme = (0, util_1.get)(this.view.getTheme(), ['components', 'scrollbar']);
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171 | var _a = style || {}, thumbHighlightColor = _a.thumbHighlightColor, restStyles = tslib_1.__rest(_a, ["thumbHighlightColor"]);
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172 | return {
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173 | default: (0, util_1.deepMix)({}, (0, util_1.get)(theme, ['default', 'style'], {}), restStyles),
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174 | hover: (0, util_1.deepMix)({}, (0, util_1.get)(theme, ['hover', 'style'], {}), { thumbColor: thumbHighlightColor }),
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175 | };
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176 | };
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177 | Scrollbar.prototype.measureScrollbar = function () {
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178 | var xScale = this.view.getXScale();
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179 | var yScales = this.view.getYScales().slice();
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180 | this.data = this.getScrollbarData();
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181 | this.step = this.getStep();
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182 | this.cnt = this.getCnt();
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183 | var _a = this.getScrollbarComponentCfg(), trackLen = _a.trackLen, thumbLen = _a.thumbLen;
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184 | this.trackLen = trackLen;
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185 | this.thumbLen = thumbLen;
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186 | this.xScaleCfg = {
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187 | field: xScale.field,
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188 | values: xScale.values || [],
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189 | };
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190 | this.yScalesCfg = yScales;
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191 | };
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192 | Scrollbar.prototype.getScrollRange = function () {
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193 | var startIdx = Math.floor((this.cnt - this.step) * (0, util_1.clamp)(this.ratio, 0, 1));
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194 | var endIdx = Math.min(startIdx + this.step - 1, this.cnt - 1);
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195 | return [startIdx, endIdx];
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196 | };
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197 | Scrollbar.prototype.changeViewData = function (_a, render) {
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198 | var _this = this;
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199 | var _b = tslib_1.__read(_a, 2), startIdx = _b[0], endIdx = _b[1];
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200 | var type = this.getValidScrollbarCfg().type;
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201 | var isHorizontal = type !== 'vertical';
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202 | var values = (0, util_1.valuesOfKey)(this.data, this.xScaleCfg.field);
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203 |
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204 | var xScaleValues = this.view.getXScale().isLinear ? values.sort(function (a, b) { return Number(a) - Number(b); }) : values;
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205 | var xValues = isHorizontal ? xScaleValues : xScaleValues.reverse();
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206 | this.yScalesCfg.forEach(function (cfg) {
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207 | _this.view.scale(cfg.field, {
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208 | formatter: cfg.formatter,
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209 | type: cfg.type,
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210 | min: cfg.min,
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211 | max: cfg.max,
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212 | tickMethod: cfg.tickMethod
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213 | });
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214 | });
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215 | this.view.filter(this.xScaleCfg.field, function (val) {
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216 | var idx = xValues.indexOf(val);
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217 | return idx > -1 ? (0, helper_1.isBetween)(idx, startIdx, endIdx) : true;
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218 | });
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219 | this.view.render(true);
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220 | };
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221 | Scrollbar.prototype.createScrollbar = function () {
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222 | var type = this.getValidScrollbarCfg().type;
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223 | var isHorizontal = type !== 'vertical';
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224 | var component = new dependents_1.Scrollbar(tslib_1.__assign(tslib_1.__assign({ container: this.container }, this.getScrollbarComponentCfg()), { x: 0, y: 0 }));
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225 | component.init();
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226 | return {
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227 | component: component,
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228 | layer: constant_1.LAYER.FORE,
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229 | direction: isHorizontal ? constant_1.DIRECTION.BOTTOM : constant_1.DIRECTION.RIGHT,
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230 | type: constant_1.COMPONENT_TYPE.SCROLLBAR,
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231 | };
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232 | };
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233 | Scrollbar.prototype.updateScrollbar = function () {
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234 | var config = this.getScrollbarComponentCfg();
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235 | var realConfig = this.trackLen
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236 | ? tslib_1.__assign(tslib_1.__assign({}, config), { trackLen: this.trackLen, thumbLen: this.thumbLen, thumbOffset: (this.trackLen - this.thumbLen) * this.ratio }) : tslib_1.__assign({}, config);
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237 | this.scrollbar.component.update(realConfig);
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238 | return this.scrollbar;
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239 | };
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240 | Scrollbar.prototype.getStep = function () {
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241 | if (this.step) {
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242 | return this.step;
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243 | }
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244 | var coordinateBBox = this.view.coordinateBBox;
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245 | var _a = this.getValidScrollbarCfg(), type = _a.type, categorySize = _a.categorySize;
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246 | var isHorizontal = type !== 'vertical';
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247 | return Math.floor((isHorizontal ? coordinateBBox.width : coordinateBBox.height) / categorySize);
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248 | };
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249 | Scrollbar.prototype.getCnt = function () {
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250 | if (this.cnt) {
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251 | return this.cnt;
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252 | }
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253 | var xScale = this.view.getXScale();
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254 | var data = this.getScrollbarData();
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255 | var values = (0, util_1.valuesOfKey)(data, xScale.field);
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256 | return (0, util_1.size)(values);
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257 | };
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258 | Scrollbar.prototype.getScrollbarComponentCfg = function () {
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259 | var _a = this.view, coordinateBBox = _a.coordinateBBox, viewBBox = _a.viewBBox;
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260 | var _b = this.getValidScrollbarCfg(), type = _b.type, padding = _b.padding, width = _b.width, height = _b.height, style = _b.style;
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261 | var isHorizontal = type !== 'vertical';
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262 | var _c = tslib_1.__read(padding, 4), paddingTop = _c[0], paddingRight = _c[1], paddingBottom = _c[2], paddingLeft = _c[3];
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263 | var position = isHorizontal
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264 | ? {
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265 | x: coordinateBBox.minX + paddingLeft,
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266 | y: viewBBox.maxY - height - paddingBottom,
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267 | }
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268 | : {
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269 | x: viewBBox.maxX - width - paddingRight,
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270 | y: coordinateBBox.minY + paddingTop,
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271 | };
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272 | var step = this.getStep();
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273 | var cnt = this.getCnt();
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274 | var trackLen = isHorizontal
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275 | ? coordinateBBox.width - paddingLeft - paddingRight
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276 | : coordinateBBox.height - paddingTop - paddingBottom;
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277 | var thumbLen = Math.max(trackLen * (0, util_1.clamp)(step / cnt, 0, 1), MIN_THUMB_LENGTH);
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278 | return tslib_1.__assign(tslib_1.__assign({}, this.getThemeOptions()), { x: position.x, y: position.y, size: isHorizontal ? height : width, isHorizontal: isHorizontal, trackLen: trackLen, thumbLen: thumbLen, thumbOffset: 0, theme: this.getScrollbarTheme(style) });
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279 | };
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280 | |
281 |
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282 |
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283 | Scrollbar.prototype.getValidScrollbarCfg = function () {
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284 | var cfg = {
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285 | type: 'horizontal',
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286 | categorySize: DEFAULT_CATEGORY_SIZE,
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287 | width: DEFAULT_SIZE,
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288 | height: DEFAULT_SIZE,
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289 | padding: [0, 0, 0, 0],
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290 | animate: true,
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291 | style: {},
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292 | };
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293 | if ((0, util_1.isObject)(this.option)) {
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294 | cfg = tslib_1.__assign(tslib_1.__assign({}, cfg), this.option);
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295 | }
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296 | if (!(0, util_1.isObject)(this.option) || !this.option.padding) {
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297 | cfg.padding =
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298 | cfg.type === 'horizontal' ? [DEFAULT_PADDING, 0, DEFAULT_PADDING, 0] : [0, DEFAULT_PADDING, 0, DEFAULT_PADDING];
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299 | }
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300 | return cfg;
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301 | };
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302 | |
303 |
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304 |
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305 | Scrollbar.prototype.getScrollbarData = function () {
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306 | var coordinate = this.view.getCoordinate();
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307 | var cfg = this.getValidScrollbarCfg();
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308 | var data = this.view.getOptions().data || [];
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309 |
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310 | if (coordinate.isReflect('y') && cfg.type === 'vertical') {
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311 | data = tslib_1.__spreadArray([], tslib_1.__read(data), false).reverse();
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312 | }
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313 | return data;
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314 | };
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315 | return Scrollbar;
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316 | }(base_1.Controller));
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317 | exports.default = Scrollbar;
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318 |
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