framework7-vue/components/messages.js

Build full featured iOS & Android apps using Framework7 & Vue

import { renderSlot as _renderSlot, normalizeClass as _normalizeClass, openBlock as _openBlock, createElementBlock as _createElementBlock } from "vue";
function render(_ctx, _cache) {
  return _openBlock(), _createElementBlock("div", {
    ref: "elRef",
    class: _normalizeClass(_ctx.classes)
  }, [_renderSlot(_ctx.$slots, "default")], 2);
}
import { computed, ref, onMounted, onBeforeUnmount, onBeforeUpdate, onUpdated, watch } from 'vue';
import { classNames, getChildren, noUndefinedProps } from '../shared/utils.js';
import { colorClasses, colorProps } from '../shared/mixins.js';
import { f7ready, f7 } from '../shared/f7.js';
export default {
  name: 'f7-messages',
  render,
  props: {
    autoLayout: {
      type: Boolean,
      default: false
    },
    messages: {
      type: Array,
      default() {
        return [];
      }
    },
    newMessagesFirst: {
      type: Boolean,
      default: false
    },
    scrollMessages: {
      type: Boolean,
      default: true
    },
    scrollMessagesOnEdge: {
      type: Boolean,
      default: true
    },
    typing: {
      type: Boolean,
      default: false
    },
    firstMessageRule: Function,
    lastMessageRule: Function,
    tailMessageRule: Function,
    sameNameMessageRule: Function,
    sameHeaderMessageRule: Function,
    sameFooterMessageRule: Function,
    sameAvatarMessageRule: Function,
    customClassMessageRule: Function,
    renderMessage: Function,
    init: {
      type: Boolean,
      default: true
    },
    ...colorProps
  },
  setup(props, {
    slots
  }) {
    let f7Messages = null;
    let childrenBeforeUpdated = null;
    const elRef = ref(null);
    onMounted(() => {
      if (!props.init) return;
      f7ready(() => {
        f7Messages = f7.messages.create(noUndefinedProps({
          el: elRef.value,
          autoLayout: props.autoLayout,
          messages: props.messages,
          newMessagesFirst: props.newMessagesFirst,
          scrollMessages: props.scrollMessages,
          scrollMessagesOnEdge: props.scrollMessagesOnEdge,
          firstMessageRule: props.firstMessageRule,
          lastMessageRule: props.lastMessageRule,
          tailMessageRule: props.tailMessageRule,
          sameNameMessageRule: props.sameNameMessageRule,
          sameHeaderMessageRule: props.sameHeaderMessageRule,
          sameFooterMessageRule: props.sameFooterMessageRule,
          sameAvatarMessageRule: props.sameAvatarMessageRule,
          customClassMessageRule: props.customClassMessageRule,
          renderMessage: props.renderMessage
        }));
        if (f7Messages && props.typing) {
          f7Messages.showTyping();
        }
      });
    });
    onBeforeUpdate(() => {
      if (!props.init || !elRef.value) return;
      const children = elRef.value.children;
      if (!children) return;
      childrenBeforeUpdated = children.length;
      for (let i = 0; i < children.length; i += 1) {
        children[i].classList.add('message-appeared');
      }
      const childrenAfterUpdate = getChildren(slots);
      if (f7Messages && props.scrollMessages && childrenBeforeUpdated !== childrenAfterUpdate) {
        f7Messages.setScrollData();
      }
    });
    onUpdated(() => {
      if (!props.init) return;
      if (!elRef.value) return;
      const children = elRef.value.children;
      if (!children) return;
      const childerAftterUpdated = children.length;
      for (let i = 0; i < children.length; i += 1) {
        if (!children[i].classList.contains('message-appeared')) {
          children[i].classList.add('message-appear-from-bottom');
        }
      }
      if (f7Messages && f7Messages.layout && props.autoLayout) {
        f7Messages.layout();
      }
      if (childerAftterUpdated !== childrenBeforeUpdated && f7Messages && f7Messages.scroll && f7Messages.scrollData && props.scrollMessages) {
        f7Messages.scrollWithEdgeCheck(true);
      }
    });
    onBeforeUnmount(() => {
      if (f7Messages && f7Messages.destroy) f7Messages.destroy();
      f7Messages = null;
    });
    watch(() => props.typing, newValue => {
      if (!f7Messages) return;
      if (newValue) f7Messages.showTyping();else f7Messages.hideTyping();
    });
    const classes = computed(() => classNames('messages', colorClasses(props)));
    return {
      elRef,
      classes
    };
  }
};