<template>
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<div :class="`${prefixCls}-toolbar`" class="flex items-center px-2 py-1">
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<template v-for="item in toolbarItemList" :key="item.type">
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<Tooltip placement="bottom" v-bind="item.disabled ? { visible: false } : {}">
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<template #title>{{ item.tooltip }}</template>
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<span :class="`${prefixCls}-toolbar__icon`" v-if="item.icon" @click="onControl(item)">
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<Icon
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:icon="item.icon"
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:class="item.disabled ? 'cursor-not-allowed disabeld' : 'cursor-pointer'"
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/>
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</span>
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</Tooltip>
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<Divider v-if="item.separate" type="vertical" />
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</template>
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</div>
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</template>
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<script lang="ts">
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import type { ToolbarConfig } from './types';
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import { defineComponent, ref, onUnmounted, unref, nextTick, watchEffect } from 'vue';
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import { Divider, Tooltip } from 'ant-design-vue';
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import { Icon } from '/@/components/Icon';
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import { useFlowChartContext } from './useFlowContext';
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import { ToolbarTypeEnum } from './enum';
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export default defineComponent({
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name: 'FlowChartToolbar',
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components: { Icon, Divider, Tooltip },
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props: {
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prefixCls: String,
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},
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emits: ['view-data'],
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setup(_, { emit }) {
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const toolbarItemList = ref<ToolbarConfig[]>([
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{
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type: ToolbarTypeEnum.ZOOM_IN,
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icon: 'codicon:zoom-out',
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tooltip: '缩小',
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},
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{
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type: ToolbarTypeEnum.ZOOM_OUT,
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icon: 'codicon:zoom-in',
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tooltip: '放大',
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},
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{
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type: ToolbarTypeEnum.RESET_ZOOM,
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icon: 'codicon:screen-normal',
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tooltip: '重置比例',
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},
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{ separate: true },
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{
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type: ToolbarTypeEnum.UNDO,
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icon: 'ion:arrow-undo-outline',
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tooltip: '后退',
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disabled: true,
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},
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{
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type: ToolbarTypeEnum.REDO,
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icon: 'ion:arrow-redo-outline',
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tooltip: '前进',
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disabled: true,
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},
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{ separate: true },
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{
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type: ToolbarTypeEnum.SNAPSHOT,
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icon: 'ion:download-outline',
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tooltip: '下载',
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},
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{
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type: ToolbarTypeEnum.VIEW_DATA,
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icon: 'carbon:document-view',
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tooltip: '查看数据',
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},
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]);
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const { logicFlow } = useFlowChartContext();
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function onHistoryChange({ data: { undoAble, redoAble } }) {
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const itemsList = unref(toolbarItemList);
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const undoIndex = itemsList.findIndex((item) => item.type === ToolbarTypeEnum.UNDO);
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const redoIndex = itemsList.findIndex((item) => item.type === ToolbarTypeEnum.REDO);
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if (undoIndex !== -1) {
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unref(toolbarItemList)[undoIndex].disabled = !undoAble;
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}
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if (redoIndex !== -1) {
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unref(toolbarItemList)[redoIndex].disabled = !redoAble;
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}
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}
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const onControl = (item) => {
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const lf = unref(logicFlow);
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if (!lf) {
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return;
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}
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switch (item.type) {
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case ToolbarTypeEnum.ZOOM_IN:
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lf.zoom();
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break;
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case ToolbarTypeEnum.ZOOM_OUT:
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lf.zoom(true);
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break;
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case ToolbarTypeEnum.RESET_ZOOM:
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lf.resetZoom();
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break;
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case ToolbarTypeEnum.UNDO:
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lf.undo();
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break;
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case ToolbarTypeEnum.REDO:
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lf.redo();
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break;
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case ToolbarTypeEnum.SNAPSHOT:
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lf.getSnapshot();
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break;
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case ToolbarTypeEnum.VIEW_DATA:
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emit('view-data');
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break;
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}
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};
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watchEffect(async () => {
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if (unref(logicFlow)) {
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await nextTick();
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unref(logicFlow)?.on('history:change', onHistoryChange);
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}
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});
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onUnmounted(() => {
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unref(logicFlow)?.off('history:change', onHistoryChange);
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});
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return { toolbarItemList, onControl };
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},
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});
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</script>
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<style lang="less">
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@prefix-cls: ~'@{namespace}-flow-chart-toolbar';
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html[data-theme='dark'] {
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.lf-dnd {
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background: #080808;
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}
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}
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.@{prefix-cls} {
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height: 36px;
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background-color: @app-content-background;
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border-bottom: 1px solid @border-color-base;
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.disabeld {
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color: @disabled-color;
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}
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&__icon {
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display: inline-block;
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padding: 2px 4px;
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margin-right: 10px;
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&:hover {
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color: @primary-color;
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}
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}
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}
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</style>
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