[improvement] ImagePreview: add show-index prop (#1889)

packages/dialog/Dialog.vue

@@ -0,0 +1,102 @@
+<template>
+  <transition name="van-dialog-bounce">
+    <div v-show="value" :class="[b(), className]">
+      <div v-if="title" v-text="title" :class="b('header', { isolated: !message && !$slots.default })" />
+      <div :class="b('content')" v-if="message || $slots.default">
+        <slot>
+          <div v-if="message" v-html="message" :class="b('message', { 'has-title': title })" />
+        </slot>
+      </div>
+      <div class="van-hairline--top" :class="b('footer', { 'buttons': showCancelButton && showConfirmButton })">
+        <van-button
+          v-show="showCancelButton"
+          :loading="loading.cancel"
+          size="large"
+          :class="b('cancel')"
+          @click="handleAction('cancel')"
+        >
+          {{ cancelButtonText || $t('cancel') }}
+        </van-button>
+        <van-button
+          v-show="showConfirmButton"
+          size="large"
+          :loading="loading.confirm"
+          :class="[b('confirm'), { 'van-hairline--left': showCancelButton && showConfirmButton }]"
+          @click="handleAction('confirm')"
+        >
+          {{ confirmButtonText || $t('confirm') }}
+        </van-button>
+      </div>
+    </div>
+  </transition>
+</template>
+
+<script>
+import create from '../utils/create';
+import VanButton from '../button';
+import Popup from '../mixins/popup';
+
+export default create({
+  name: 'dialog',
+
+  components: {
+    VanButton
+  },
+
+  mixins: [Popup],
+
+  props: {
+    title: String,
+    message: String,
+    callback: Function,
+    className: [String, Object, Array],
+    beforeClose: Function,
+    confirmButtonText: String,
+    cancelButtonText: String,
+    showCancelButton: Boolean,
+    showConfirmButton: {
+      type: Boolean,
+      default: true
+    },
+    overlay: {
+      type: Boolean,
+      default: true
+    },
+    closeOnClickOverlay: {
+      type: Boolean,
+      default: false
+    }
+  },
+
+  data() {
+    return {
+      loading: {
+        confirm: false,
+        cancel: false
+      }
+    };
+  },
+
+  methods: {
+    handleAction(action) {
+      if (this.beforeClose) {
+        this.loading[action] = true;
+        this.beforeClose(action, state => {
+          if (state !== false) {
+            this.onClose(action);
+          }
+          this.loading[action] = false;
+        });
+      } else {
+        this.onClose(action);
+      }
+    },
+
+    onClose(action) {
+      this.$emit('input', false);
+      this.$emit(action);
+      this.callback && this.callback(action);
+    }
+  }
+});
+</script>