634 lines
14 KiB
Vue
634 lines
14 KiB
Vue
<!--本文件由FirstUI授权予新疆天衡创新研究院有限公司（手机号： 1 8614 0 72 5 49，身份证尾号：5A07X5）专用，请尊重知识产权，勿私下传播，违者追究法律责任。-->
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<template>
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<view class="fui-textarea__wrap"
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:class="{'fui-textarea__flex-start':flexStart,'fui-textarea__border-nvue':textareaBorder}"
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:style="{paddingTop:padding[0] || 0,paddingRight:padding[1] || 0,paddingBottom:padding[2] || padding[0] || 0,paddingLeft:padding[3] || padding[1] || 0,background:backgroundColor,borderRadius:radius+'rpx',borderColor:borderColor,marginTop:marginTop+'rpx'}"
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@tap="fieldClick">
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<view v-if="borderTop && !textareaBorder"
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:style="{background:borderColor,left:topLeft+'rpx',right:topRight+'rpx'}" class="fui-textarea__border-top"
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:class="{'fui-textarea__background':!borderColor}">
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</view>
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<!-- #ifndef APP-NVUE -->
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<view class="fui-textarea__border" :class="{'fui-textarea__bordercolor':!borderColor}"
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:style="{borderRadius:getRadius,borderColor:borderColor}" v-if="textareaBorder"></view>
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<!-- #endif -->
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<!-- #ifdef APP-NVUE -->
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<view class="fui-textarea__required" v-if="required && !flexStart">
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<text class="fui-form__asterisk-text" :style="{color:getRequiredColor,paddingTop:'2rpx'}">*</text>
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</view>
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<text class="fui-textarea__required" :style="{color:getRequiredColor,top:requiredTop}"
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v-if="required && flexStart">*</text>
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<!-- #endif -->
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<!-- #ifndef APP-NVUE -->
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<view class="fui-textarea__required" :class="{'fui-required__flex-start':flexStart}"
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:style="{color:getRequiredColor,top:flexStart?requiredTop:'50%'}" v-if="required">*</view>
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<!-- #endif -->
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<view class="fui-textarea__label" :style="{minWidth:labelWidth+'rpx'}" v-if="label">
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<text :style="{fontSize:labelSize+'rpx',color:labelColor}">{{label}}</text>
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</view>
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<slot name="left"></slot>
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<view class="fui-textarea__flex-1">
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<textarea ref="fuiTextarea" class="fui-textarea__self" :class="{'fui-text__right':textRight}"
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:style="{height:height,minHeight:minHeight,fontSize:size+'rpx',color:color}"
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placeholder-class="fui-textarea-placeholder" :name="name" :value="val" :placeholder="placeholder"
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:placeholderStyle="placeholderStyl" :disabled="disabled" :cursor-spacing="cursorSpacing"
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:maxlength="maxlength" :focus="focused" :auto-height="autoHeight" :fixed="fixed"
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:show-confirm-bar="showConfirmBar" :cursor="cursor" :selection-start="selectionStart"
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:selection-end="selectionEnd" :adjust-position="adjustPosition" :hold-keyboard="holdKeyboard"
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:disable-default-padding="disableDefaultPadding" :enableNative="false" :show-count="false"
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@focus="onFocus" @blur="onBlur" @input="onInput" @confirm="onConfirm" @linechange="onLinechange"
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@keyboardheightchange="onKeyboardheightchange"></textarea>
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<view class="fui-textarea__counter" v-if="isCounter">
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<text
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:style="{fontSize:counterSize+'rpx',color:counterColor}">{{maxlength!=-1?`${count}/${maxlength}`:count}}</text>
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</view>
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</view>
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<slot></slot>
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<view v-if="borderBottom && !textareaBorder"
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:style="{background:borderColor,left:bottomLeft+'rpx',right:bottomRight+'rpx'}"
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class="fui-textarea__border-bottom" :class="{'fui-textarea__background':!borderColor}"></view>
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</view>
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</template>
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<script>
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export default {
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name: "fui-textarea",
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emits: ['input', 'update:modelValue', 'focus', 'blur', 'confirm', 'click', 'linechange', 'keyboardheightchange'],
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// #ifdef MP-WEIXIN
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//加group是为了避免在表单中使用时给组件加value属性
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behaviors: ['wx://form-field-group'],
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// #endif
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// #ifdef MP-BAIDU || MP-QQ || H5
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//如果在这些平台不需要也能识别，则删除
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behaviors: ['uni://form-field'],
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// #endif
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// #ifdef MP-WEIXIN
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options: {
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addGlobalClass: true,
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virtualHost: true
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},
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// #endif
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props: {
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//是否为必填项
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required: {
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type: Boolean,
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default: false
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},
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requiredColor: {
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type: String,
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default: ''
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},
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requiredTop: {
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type: String,
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default: '34rpx'
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},
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//左侧标题
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label: {
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type: String,
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default: ''
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},
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//标题字体大小
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labelSize: {
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type: [Number, String],
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default: 32
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},
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labelColor: {
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type: String,
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default: '#333'
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},
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//label 最小宽度 rpx
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labelWidth: {
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type: [Number, String],
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default: 140
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},
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//获取焦点
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focus: {
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type: Boolean,
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default: false
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},
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autoHeight: {
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type: Boolean,
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default: false
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},
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fixed: {
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type: Boolean,
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default: false
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},
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placeholder: {
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type: String,
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default: ''
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},
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placeholderStyle: {
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type: String,
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default: ''
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},
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//输入框名称
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name: {
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type: String,
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default: ''
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},
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//输入框值
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value: {
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type: [Number, String],
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default: ''
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},
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// #ifdef VUE3
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//输入框值
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modelValue: {
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type: [Number, String],
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default: ''
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},
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// #endif
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disabled: {
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type: Boolean,
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default: false
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},
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maxlength: {
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type: [Number, String],
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default: 140
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},
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cursorSpacing: {
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type: Number,
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default: 0,
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},
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showConfirmBar: {
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type: Boolean,
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default: true
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},
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cursor: {
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type: Number,
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default: -1
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},
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selectionStart: {
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type: Number,
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default: -1
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},
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selectionEnd: {
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type: Number,
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default: -1
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},
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adjustPosition: {
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type: Boolean,
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default: true
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},
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disableDefaultPadding: {
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type: Boolean,
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default: true
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},
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holdKeyboard: {
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type: Boolean,
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default: false
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},
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height: {
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type: String,
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default: '200rpx'
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},
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minHeight: {
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type: String,
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default: '30rpx'
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},
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//标题与输入框是否顶端对齐
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flexStart: {
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type: Boolean,
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default: false
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},
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//输入框字体大小 rpx
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size: {
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type: [Number, String],
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default: 32
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},
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//输入框字体颜色
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color: {
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type: String,
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default: '#333'
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},
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// 是否显示 textarea 边框
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textareaBorder: {
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type: Boolean,
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default: false
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},
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// 是否显示上边框
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borderTop: {
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type: Boolean,
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default: true
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},
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//上边框left值，单位rpx
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topLeft: {
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type: [Number, String],
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default: 0
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},
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//上边框right值，单位rpx
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topRight: {
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type: [Number, String],
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default: 0
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},
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// 是否显示下边框
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borderBottom: {
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type: Boolean,
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default: true
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},
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//下边框left值，单位rpx
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bottomLeft: {
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type: [Number, String],
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default: 0
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},
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//下边框right值，单位rpx
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bottomRight: {
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type: [Number, String],
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default: 0
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},
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//边框颜色
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// #ifdef APP-NVUE
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borderColor: {
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type: String,
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default: '#EEEEEE'
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},
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// #endif
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// #ifndef APP-NVUE
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borderColor: {
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type: String,
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default: ''
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},
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// #endif
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radius: {
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type: [String, Number],
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default: 0
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},
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// 是否自动去除两端的空格
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trim: {
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type: Boolean,
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default: true
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},
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textRight: {
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type: Boolean,
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default: false
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},
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//输入框padding值：[上，右，下，左]
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padding: {
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type: Array,
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default () {
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return ['32rpx', '32rpx']
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}
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},
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//输入框背景颜色
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backgroundColor: {
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type: String,
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default: '#FFFFFE'
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},
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//输入框margin-top值 rpx
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marginTop: {
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type: Number,
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default: 0
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},
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//是否显示底部输入长度计数
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isCounter: {
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type: Boolean,
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default: false
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},
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//计数文本颜色
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counterColor: {
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type: String,
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default: '#B2B2B2'
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},
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//计数文本大小 rpx
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counterSize: {
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type: [Number, String],
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default: 28
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}
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},
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computed: {
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getRadius() {
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return Number(this.radius) * 2 + 'rpx'
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},
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getRequiredColor() {
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let color = this.requiredColor;
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if (!color || color === true) {
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const app = uni && uni.$fui && uni.$fui.color;
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color = (app && app.danger) || '#FF2B2B';
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}
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return color;
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}
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},
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data() {
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return {
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placeholderStyl: '',
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count: 0,
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focused: false,
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val: ''
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};
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},
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watch: {
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focus(val) {
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this.$nextTick(() => {
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setTimeout(() => {
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this.focused = val
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}, 20)
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})
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},
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// #ifdef APP-NVUE
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focused(val) {
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if (!this.$refs.fuiTextarea) return;
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this.$nextTick(() => {
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setTimeout(() => {
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if (val) {
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this.$refs.fuiTextarea.focus()
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} else {
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this.$refs.fuiTextarea.blur()
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}
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}, 50)
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})
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},
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// #endif
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placeholderStyle() {
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this.fieldPlaceholderStyle()
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},
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// #ifdef VUE3
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modelValue(newVal) {
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this.val = this.getVal(newVal)
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this.count = this.getCount(String(this.val).length)
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},
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// #endif
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value(newVal) {
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this.val = this.getVal(newVal)
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this.count = this.getCount(String(this.val).length)
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}
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},
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created() {
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// #ifndef VUE3
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this.val = this.getVal(this.value)
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// #endif
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// #ifdef VUE3
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if (this.value && !this.modelValue) {
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this.val = this.getVal(this.value)
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} else {
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this.val = this.getVal(this.modelValue)
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}
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// #endif
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this.count = this.getCount(String(this.val).length)
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this.fieldPlaceholderStyle()
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},
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mounted() {
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this.$nextTick(() => {
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setTimeout(() => {
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this.focused = this.focus
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}, 300)
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})
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},
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methods: {
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getVal(val) {
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return !val && val !== 0 ? '' : val
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},
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fieldPlaceholderStyle() {
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if (this.placeholderStyle) {
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this.placeholderStyl = this.placeholderStyle
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} else {
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const size = uni.upx2px(this.size)
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this.placeholderStyl = `fontSize:${size}px;`
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}
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},
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getCount(len) {
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const max = Number(this.maxlength)
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return len > max && max !== -1 ? max : len
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},
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onInput(event) {
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let value = event.detail.value;
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if (this.trim) value = this.trimStr(value);
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let len = value.length;
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const max = Number(this.maxlength)
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if (len > max && max !== -1) {
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len = max;
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value = value.substring(0, max - 1)
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}
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this.count = len;
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this.val = value;
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// TODO 兼容 vue2
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this.$emit('input', value);
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// TODO 兼容 vue3
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// #ifdef VUE3
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this.$emit('update:modelValue', value)
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// #endif
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},
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onFocus(event) {
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this.$emit('focus', event);
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},
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onBlur(event) {
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this.$emit('blur', event);
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},
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onConfirm(e) {
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this.$emit('confirm', e);
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},
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fieldClick() {
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this.$emit('click', {
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name: this.name
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});
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},
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onLinechange(e) {
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this.$emit('linechange', e)
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},
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onKeyboardheightchange(e) {
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this.$emit('keyboardheightchange', e)
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},
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trimStr(str) {
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return str.replace(/^\s+|\s+$/g, '');
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}
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}
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}
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</script>
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<style scoped>
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.fui-textarea__wrap {
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/* #ifndef APP-NVUE */
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width: 100%;
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box-sizing: border-box;
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display: flex;
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/* #endif */
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flex-direction: row;
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flex: 1;
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align-items: center;
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position: relative;
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border-width: 0;
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}
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.fui-textarea__flex-start {
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align-items: flex-start !important;
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}
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.fui-textarea__border-top {
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position: absolute;
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top: 0;
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/* #ifdef APP-NVUE */
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height: 0.5px;
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z-index: -1;
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/* #endif */
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/* #ifndef APP-NVUE */
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height: 1px;
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-webkit-transform: scaleY(0.5);
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transform: scaleY(0.5);
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transform-origin: 0 0;
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z-index: 1;
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/* #endif */
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}
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.fui-textarea__border-bottom {
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position: absolute;
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bottom: 0;
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/* #ifdef APP-NVUE */
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height: 0.5px;
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z-index: -1;
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/* #endif */
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/* #ifndef APP-NVUE */
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height: 1px;
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-webkit-transform: scaleY(0.5);
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transform: scaleY(0.5);
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transform-origin: 0 100%;
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z-index: 1;
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/* #endif */
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}
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.fui-textarea__required {
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position: absolute;
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left: 12rpx;
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/* #ifndef APP-NVUE */
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height: 30rpx;
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top: 50%;
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transform: translateY(-50%);
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line-height: 1.15;
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/* #endif */
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/* #ifdef APP-NVUE */
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flex: 1;
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top: 28rpx;
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bottom: 28rpx;
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align-items: center;
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justify-content: center;
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/* #endif */
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}
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/* #ifdef APP-NVUE */
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.fui-form__asterisk-text {
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font-size: 32rpx;
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height: 32rpx;
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}
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/* #endif */
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/* #ifndef APP-NVUE */
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.fui-required__flex-start {
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transform: translateY(0);
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}
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/* #endif */
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.fui-textarea__label {
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padding-right: 12rpx;
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/* #ifndef APP-NVUE */
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flex-shrink: 0;
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/* #endif */
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}
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.fui-textarea__self {
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flex: 1;
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/* #ifndef APP-NVUE */
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width: 100%;
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overflow: visible;
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box-sizing: border-box;
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/* #endif */
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/* #ifdef APP-NVUE */
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padding-top: 6px;
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padding-bottom: 10px;
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/* #endif */
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/* #ifdef MP-ALIPAY || MP-TOUTIAO*/
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padding-top: 0 !important;
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padding-bottom: 0;
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/* #endif */
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/* #ifdef MP-TOUTIAO */
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background-color: rgba(255, 255, 255, 0) !important;
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/* #endif */
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}
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.fui-textarea-placeholder {
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/* #ifndef APP-NVUE */
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color: var(--fui-color-minor, #ccc);
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overflow: visible;
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/* #endif */
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/* #ifdef APP-NVUE */
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color: #ccc;
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/* #endif */
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/* #ifdef MP-TOUTIAO */
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padding-top: 0 !important;
|
||
/* #endif */
|
||
}
|
||
|
||
/* #ifdef MP */
|
||
::v-deep .fui-textarea-placeholder {
|
||
color: var(--fui-color-minor, #ccc);
|
||
overflow: visible;
|
||
}
|
||
|
||
/* #endif */
|
||
|
||
/* #ifdef APP-NVUE */
|
||
.fui-textarea__border-nvue {
|
||
border-style: solid;
|
||
border-width: 0.5px;
|
||
}
|
||
|
||
/* #endif */
|
||
|
||
/* #ifndef APP-NVUE */
|
||
.fui-textarea__border {
|
||
border-radius: 4rpx;
|
||
position: relative;
|
||
position: absolute;
|
||
height: 200%;
|
||
width: 200%;
|
||
border: 1px solid var(--fui-color-border, #EEEEEE);
|
||
transform-origin: 0 0;
|
||
transform: scale(0.5);
|
||
left: 0;
|
||
top: 0;
|
||
border-radius: 8rpx;
|
||
pointer-events: none;
|
||
-webkit-touch-callout: none;
|
||
-webkit-user-select: none;
|
||
user-select: none;
|
||
}
|
||
|
||
.fui-textarea__bordercolor {
|
||
border-color: var(--fui-color-border, #EEEEEE) !important;
|
||
}
|
||
|
||
.fui-textarea__background {
|
||
background: var(--fui-color-border, #EEEEEE) !important;
|
||
}
|
||
|
||
/* #endif */
|
||
|
||
.fui-textarea__flex-1 {
|
||
flex: 1;
|
||
}
|
||
|
||
.fui-textarea__counter {
|
||
/* #ifndef APP-NVUE */
|
||
width: 100%;
|
||
/* #endif */
|
||
padding-top: 8rpx;
|
||
text-align: right;
|
||
/* #ifdef APP-NVUE */
|
||
flex-direction: row;
|
||
flex: 1;
|
||
justify-content: flex-end;
|
||
/* #endif */
|
||
}
|
||
|
||
.fui-text__right {
|
||
text-align: right;
|
||
}
|
||
</style> |