vant components

2017-04-19 17:33:44 +08:00
commit 63c549d651
346 changed files with 25710 additions and 0 deletions
@@ -0,0 +1,113 @@
+<template>
+  <van-cell
+    class="van-field"
+    :title="label"
+    :required="required"
+    :class="{
+      'van-field--hastextarea': type === 'textarea',
+      'van-field--nolabel': !label,
+      'van-field--disabled': disabled,
+      'van-field--error': error,
+      'van-field--border': border,
+      'van-field--autosize': autosize
+    }">
+    <textarea
+      v-if="type === 'textarea'"
+      ref="textareaElement"
+      class="van-field__control"
+      v-model="currentValue"
+      @focus="handleInputFocus"
+      :placeholder="placeholder"
+      :maxlength="maxlength"
+      :disabled="disabled"
+      :readonly="readonly"
+      :rows="rows"
+      :cols="cols">
+    </textarea>
+    <input
+      v-else
+      class="van-field__control"
+      :value="currentValue"
+      @input="handleInput"
+      @focus="handleInputFocus"
+      :type="type"
+      :placeholder="placeholder"
+      :maxlength="maxlength"
+      :disabled="disabled"
+      :readonly="readonly">
+  </van-cell>
+</template>
+
+<script>
+const VALID_TYPES = ['text', 'number', 'email', 'url', 'tel', 'date', 'datetime', 'password', 'textarea'];
+import zanCell from 'packages/cell';
+
+export default {
+  name: 'van-field',
+
+  components: {
+    zanCell
+  },
+
+  props: {
+    type: {
+      type: String,
+      default: 'text',
+      validator(value) {
+        return VALID_TYPES.indexOf(value) > -1;
+      }
+    },
+    placeholder: String,
+    value: {},
+    label: String,
+    disabled: Boolean,
+    error: Boolean,
+    readonly: Boolean,
+    required: Boolean,
+    maxlength: [String, Number],
+    border: Boolean,
+    rows: [String, Number],
+    cols: [String, Number],
+    autosize: {
+      type: Boolean,
+      default: false
+    }
+  },
+
+  data() {
+    return {
+      currentValue: this.value
+    };
+  },
+
+  watch: {
+    value(val) {
+      this.currentValue = val;
+    },
+
+    currentValue(val) {
+      if (this.autosize && this.type === 'textarea') this.sizeAdjust();
+      this.$emit('input', val);
+    }
+  },
+
+  methods: {
+    handleInput(event) {
+      this.currentValue = event.target.value;
+    },
+
+    sizeAdjust() {
+      const textareaElement = this.$refs.textareaElement;
+      const textAreaDiff = (parseInt(textareaElement.style.paddingBottom, 10) +
+          parseInt(textareaElement.style.paddingTop, 10)) || 0;
+      // 需要先设为0， 才可以让scrollHeight正确计算。
+      textareaElement.style.height = 0 + 'px';
+      textareaElement.style.height = (textareaElement.scrollHeight - textAreaDiff) + 'px';
+    },
+
+    handleInputFocus() {
+      this.$emit('focus');
+    }
+  }
+};
+</script>