[improvement] rename packages dir to src (#3659)

src/mixins/checkbox.js

@@ -0,0 +1,95 @@
+/**
+ * Common part of Checkbox & Radio
+ */
+import Icon from '../icon';
+import { ChildrenMixin } from './relation';
+import { suffixPx } from '../utils';
+
+export const CheckboxMixin = ({ parent, bem, role }) => ({
+  mixins: [ChildrenMixin(parent)],
+
+  props: {
+    name: null,
+    value: null,
+    iconSize: [String, Number],
+    disabled: Boolean,
+    checkedColor: String,
+    labelPosition: String,
+    labelDisabled: Boolean,
+    shape: {
+      type: String,
+      default: 'round'
+    }
+  },
+
+  computed: {
+    isDisabled() {
+      return (this.parent && this.parent.disabled) || this.disabled;
+    },
+
+    iconStyle() {
+      const { checkedColor } = this;
+      if (checkedColor && this.checked && !this.isDisabled) {
+        return {
+          borderColor: checkedColor,
+          backgroundColor: checkedColor
+        };
+      }
+    },
+
+    tabindex() {
+      if (this.isDisabled || (role === 'radio' && !this.checked)) {
+        return -1;
+      }
+
+      return 0;
+    }
+  },
+
+  render(h) {
+    const { slots, checked } = this;
+
+    const CheckIcon = slots('icon', { checked }) || (
+      <Icon name="success" style={this.iconStyle} />
+    );
+
+    const Label = slots() && (
+      <span
+        class={bem('label', [this.labelPosition, { disabled: this.isDisabled }])}
+        onClick={this.onClickLabel}
+      >
+        {slots()}
+      </span>
+    );
+
+    const Children = [
+      <div
+        class={bem('icon', [this.shape, { disabled: this.isDisabled, checked }])}
+        style={{ fontSize: suffixPx(this.iconSize) }}
+        onClick={this.onClickIcon}
+      >
+        {CheckIcon}
+      </div>
+    ];
+
+    if (this.labelPosition === 'left') {
+      Children.unshift(Label);
+    } else {
+      Children.push(Label);
+    }
+
+    return (
+      <div
+        role={role}
+        class={bem()}
+        tabindex={this.tabindex}
+        aria-checked={String(this.checked)}
+        onClick={event => {
+          this.$emit('click', event);
+        }}
+      >
+        {Children}
+      </div>
+    );
+  }
+});