index.vue 10 KB

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  1. <template>
  2. <uni-shadow-root class="vant-dist-stepper-index"><view :class="(utils.bem('stepper', [theme]))+' custom-class'">
  3. <view v-if="showMinus" data-type="minus" :style="computed.buttonStyle({ buttonSize })" :class="'minus-class '+(utils.bem('stepper__minus', { disabled: disabled || disableMinus || currentValue <= min }))" hover-class="van-stepper__minus--hover" hover-stay-time="70" @click="onTap" @touchstart="onTouchStart" @touchend="onTouchEnd">
  4. <slot name="minus"></slot>
  5. </view>
  6. <input :always-embed="false" :type="integer ? 'number' : 'digit'" :class="'input-class '+(utils.bem('stepper__input', { disabled: disabled || disableInput }))" :style="computed.inputStyle({ buttonSize, inputWidth })" :value="currentValue" :focus="focus" :disabled="disabled || disableInput" @input="onInput" @focus="onFocus" @blur="onBlur"></input>
  7. <view v-if="showPlus" data-type="plus" :style="computed.buttonStyle({ buttonSize })" :class="'plus-class '+(utils.bem('stepper__plus', { disabled: disabled || disablePlus || currentValue >= max }))" hover-class="van-stepper__plus--hover" hover-stay-time="70" @click="onTap" @touchstart="onTouchStart" @touchend="onTouchEnd">
  8. <slot name="plus"></slot>
  9. </view>
  10. </view></uni-shadow-root>
  11. </template>
  12. <wxs src="../wxs/utils.wxs" module="utils"></wxs><wxs src="./index.wxs" module="computed"></wxs>
  13. <script>
  14. global['__wxRoute'] = 'vant/dist/stepper/index'
  15. import { VantComponent } from '../common/component';
  16. import { isDef } from '../common/validator';
  17. const LONG_PRESS_START_TIME = 600;
  18. const LONG_PRESS_INTERVAL = 200;
  19. // add num and avoid float number
  20. function add(num1, num2) {
  21. const cardinal = Math.pow(10, 10);
  22. return Math.round((num1 + num2) * cardinal) / cardinal;
  23. }
  24. function equal(value1, value2) {
  25. return String(value1) === String(value2);
  26. }
  27. VantComponent({
  28. field: true,
  29. classes: ['input-class', 'plus-class', 'minus-class'],
  30. props: {
  31. value: {
  32. type: null,
  33. observer: 'observeValue',
  34. },
  35. integer: {
  36. type: Boolean,
  37. observer: 'check',
  38. },
  39. disabled: Boolean,
  40. inputWidth: String,
  41. buttonSize: String,
  42. asyncChange: Boolean,
  43. disableInput: Boolean,
  44. decimalLength: {
  45. type: Number,
  46. value: null,
  47. observer: 'check',
  48. },
  49. min: {
  50. type: null,
  51. value: 1,
  52. observer: 'check',
  53. },
  54. max: {
  55. type: null,
  56. value: Number.MAX_SAFE_INTEGER,
  57. observer: 'check',
  58. },
  59. step: {
  60. type: null,
  61. value: 1,
  62. },
  63. showPlus: {
  64. type: Boolean,
  65. value: true,
  66. },
  67. showMinus: {
  68. type: Boolean,
  69. value: true,
  70. },
  71. disablePlus: Boolean,
  72. disableMinus: Boolean,
  73. longPress: {
  74. type: Boolean,
  75. value: true,
  76. },
  77. theme: String,
  78. alwaysEmbed: Boolean,
  79. },
  80. data: {
  81. currentValue: '',
  82. },
  83. created() {
  84. this.setData({
  85. currentValue: this.format(this.data.value),
  86. });
  87. },
  88. methods: {
  89. observeValue() {
  90. const { value, currentValue } = this.data;
  91. if (!equal(value, currentValue)) {
  92. this.setData({ currentValue: this.format(value) });
  93. }
  94. },
  95. check() {
  96. const val = this.format(this.data.currentValue);
  97. if (!equal(val, this.data.currentValue)) {
  98. this.setData({ currentValue: val });
  99. }
  100. },
  101. isDisabled(type) {
  102. const { disabled, disablePlus, disableMinus, currentValue, max, min, } = this.data;
  103. if (type === 'plus') {
  104. return disabled || disablePlus || currentValue >= max;
  105. }
  106. return disabled || disableMinus || currentValue <= min;
  107. },
  108. onFocus(event) {
  109. this.$emit('focus', event.detail);
  110. },
  111. onBlur(event) {
  112. const value = this.format(event.detail.value);
  113. this.emitChange(value);
  114. this.$emit('blur', Object.assign(Object.assign({}, event.detail), { value }));
  115. },
  116. // filter illegal characters
  117. filter(value) {
  118. value = String(value).replace(/[^0-9.-]/g, '');
  119. if (this.data.integer && value.indexOf('.') !== -1) {
  120. value = value.split('.')[0];
  121. }
  122. return value;
  123. },
  124. // limit value range
  125. format(value) {
  126. value = this.filter(value);
  127. // format range
  128. value = value === '' ? 0 : +value;
  129. value = Math.max(Math.min(this.data.max, value), this.data.min);
  130. // format decimal
  131. if (isDef(this.data.decimalLength)) {
  132. value = value.toFixed(this.data.decimalLength);
  133. }
  134. return value;
  135. },
  136. onInput(event) {
  137. const { value = '' } = event.detail || {};
  138. // allow input to be empty
  139. if (value === '') {
  140. return;
  141. }
  142. let formatted = this.filter(value);
  143. // limit max decimal length
  144. if (isDef(this.data.decimalLength) && formatted.indexOf('.') !== -1) {
  145. const pair = formatted.split('.');
  146. formatted = `${pair[0]}.${pair[1].slice(0, this.data.decimalLength)}`;
  147. }
  148. this.emitChange(formatted);
  149. },
  150. emitChange(value) {
  151. if (!this.data.asyncChange) {
  152. this.setData({ currentValue: value });
  153. }
  154. this.$emit('change', value);
  155. },
  156. onChange() {
  157. const { type } = this;
  158. if (this.isDisabled(type)) {
  159. this.$emit('overlimit', type);
  160. return;
  161. }
  162. const diff = type === 'minus' ? -this.data.step : +this.data.step;
  163. const value = this.format(add(+this.data.currentValue, diff));
  164. this.emitChange(value);
  165. this.$emit(type);
  166. },
  167. longPressStep() {
  168. this.longPressTimer = setTimeout(() => {
  169. this.onChange();
  170. this.longPressStep();
  171. }, LONG_PRESS_INTERVAL);
  172. },
  173. onTap(event) {
  174. const { type } = event.currentTarget.dataset;
  175. this.type = type;
  176. this.onChange();
  177. },
  178. onTouchStart(event) {
  179. if (!this.data.longPress) {
  180. return;
  181. }
  182. clearTimeout(this.longPressTimer);
  183. const { type } = event.currentTarget.dataset;
  184. this.type = type;
  185. this.isLongPress = false;
  186. this.longPressTimer = setTimeout(() => {
  187. this.isLongPress = true;
  188. this.onChange();
  189. this.longPressStep();
  190. }, LONG_PRESS_START_TIME);
  191. },
  192. onTouchEnd() {
  193. if (!this.data.longPress) {
  194. return;
  195. }
  196. clearTimeout(this.longPressTimer);
  197. },
  198. },
  199. });
  200. export default global['__wxComponents']['vant/dist/stepper/index']
  201. </script>
  202. <style platform="mp-weixin">
  203. @import '../common/index.css';.van-stepper{font-size:0}.van-stepper__minus,.van-stepper__plus{background-color:var(--stepper-background-color,#f2f3f5);border:0;box-sizing:border-box;color:var(--stepper-button-icon-color,#323233);display:inline-block;height:var(--stepper-input-height,28px);margin:1px;padding:var(--padding-base,4px);position:relative;vertical-align:middle;width:var(--stepper-input-height,28px)}.van-stepper__minus:before,.van-stepper__plus:before{height:1px;width:9px}.van-stepper__minus:after,.van-stepper__plus:after{height:9px;width:1px}.van-stepper__minus:empty.van-stepper__minus:after,.van-stepper__minus:empty.van-stepper__minus:before,.van-stepper__minus:empty.van-stepper__plus:after,.van-stepper__minus:empty.van-stepper__plus:before,.van-stepper__plus:empty.van-stepper__minus:after,.van-stepper__plus:empty.van-stepper__minus:before,.van-stepper__plus:empty.van-stepper__plus:after,.van-stepper__plus:empty.van-stepper__plus:before{background-color:currentColor;bottom:0;content:"";left:0;margin:auto;position:absolute;right:0;top:0}.van-stepper__minus--hover,.van-stepper__plus--hover{background-color:var(--stepper-active-color,#e8e8e8)}.van-stepper__minus--disabled,.van-stepper__plus--disabled{color:var(--stepper-button-disabled-icon-color,#c8c9cc)}.van-stepper__minus--disabled,.van-stepper__minus--disabled.van-stepper__minus--hover,.van-stepper__minus--disabled.van-stepper__plus--hover,.van-stepper__plus--disabled,.van-stepper__plus--disabled.van-stepper__minus--hover,.van-stepper__plus--disabled.van-stepper__plus--hover{background-color:var(--stepper-button-disabled-color,#f7f8fa)}.van-stepper__minus{border-radius:var(--stepper-border-radius,var(--stepper-border-radius,4px)) 0 0 var(--stepper-border-radius,var(--stepper-border-radius,4px))}.van-stepper__minus:after{display:none}.van-stepper__plus{border-radius:0 var(--stepper-border-radius,var(--stepper-border-radius,4px)) var(--stepper-border-radius,var(--stepper-border-radius,4px)) 0}.van-stepper--round .van-stepper__input{background-color:initial!important}.van-stepper--round .van-stepper__minus,.van-stepper--round .van-stepper__plus{border-radius:100%}.van-stepper--round .van-stepper__minus:active,.van-stepper--round .van-stepper__plus:active{opacity:.7}.van-stepper--round .van-stepper__minus--disabled,.van-stepper--round .van-stepper__minus--disabled:active,.van-stepper--round .van-stepper__plus--disabled,.van-stepper--round .van-stepper__plus--disabled:active{opacity:.3}.van-stepper--round .van-stepper__plus{background-color:#ee0a24;color:#fff}.van-stepper--round .van-stepper__minus{background-color:#fff;border:1px solid #ee0a24;color:#ee0a24}.van-stepper__input{-webkit-appearance:none;background-color:var(--stepper-background-color,#f2f3f5);border:0;border-radius:0;border-width:1px 0;box-sizing:border-box;color:var(--stepper-input-text-color,#323233);display:inline-block;font-size:var(--stepper-input-font-size,14px);height:var(--stepper-input-height,28px);margin:1px;min-height:0;padding:1px;text-align:center;vertical-align:middle;width:var(--stepper-input-width,32px)}.van-stepper__input--disabled{background-color:var(--stepper-input-disabled-background-color,#f2f3f5);color:var(--stepper-input-disabled-text-color,#c8c9cc)}
  204. </style>