ant-design-vue/components/vc-tree/TreeNode.tsx

585 lines
18 KiB
Vue

import { useInjectKeysState, useInjectTreeContext } from './contextTypes';
import Indent from './Indent';
import { convertNodePropsToEventData, getTreeNodeProps } from './utils/treeUtil';
import type { CSSProperties } from 'vue';
import {
computed,
defineComponent,
getCurrentInstance,
onMounted,
onUpdated,
reactive,
shallowRef,
} from 'vue';
import { treeNodeProps } from './props';
import classNames from '../_util/classNames';
import { warning } from '../vc-util/warning';
import type { DragNodeEvent, Key } from './interface';
import pickAttrs from '../_util/pickAttrs';
import eagerComputed from '../_util/eagerComputed';
const ICON_OPEN = 'open';
const ICON_CLOSE = 'close';
const defaultTitle = '---';
export default defineComponent({
compatConfig: { MODE: 3 },
name: 'ATreeNode',
inheritAttrs: false,
props: treeNodeProps,
isTreeNode: 1,
setup(props, { attrs, slots, expose }) {
warning(
!('slots' in props.data),
`treeData slots is deprecated, please use ${Object.keys(props.data.slots || {}).map(
key => '`v-slot:' + key + '` ',
)}instead`,
);
const dragNodeHighlight = shallowRef(false);
const context = useInjectTreeContext();
const {
expandedKeysSet,
selectedKeysSet,
loadedKeysSet,
loadingKeysSet,
checkedKeysSet,
halfCheckedKeysSet,
} = useInjectKeysState();
const { dragOverNodeKey, dropPosition, keyEntities } = context.value;
const mergedTreeNodeProps = computed(() => {
return getTreeNodeProps(props.eventKey, {
expandedKeysSet: expandedKeysSet.value,
selectedKeysSet: selectedKeysSet.value,
loadedKeysSet: loadedKeysSet.value,
loadingKeysSet: loadingKeysSet.value,
checkedKeysSet: checkedKeysSet.value,
halfCheckedKeysSet: halfCheckedKeysSet.value,
dragOverNodeKey,
dropPosition,
keyEntities,
});
});
const expanded = eagerComputed(() => mergedTreeNodeProps.value.expanded);
const selected = eagerComputed(() => mergedTreeNodeProps.value.selected);
const checked = eagerComputed(() => mergedTreeNodeProps.value.checked);
const loaded = eagerComputed(() => mergedTreeNodeProps.value.loaded);
const loading = eagerComputed(() => mergedTreeNodeProps.value.loading);
const halfChecked = eagerComputed(() => mergedTreeNodeProps.value.halfChecked);
const dragOver = eagerComputed(() => mergedTreeNodeProps.value.dragOver);
const dragOverGapTop = eagerComputed(() => mergedTreeNodeProps.value.dragOverGapTop);
const dragOverGapBottom = eagerComputed(() => mergedTreeNodeProps.value.dragOverGapBottom);
const pos = eagerComputed(() => mergedTreeNodeProps.value.pos);
const selectHandle = shallowRef();
const hasChildren = computed(() => {
const { eventKey } = props;
const { keyEntities } = context.value;
const { children } = keyEntities[eventKey] || {};
return !!(children || []).length;
});
const isLeaf = computed(() => {
const { isLeaf } = props;
const { loadData } = context.value;
const has = hasChildren.value;
if (isLeaf === false) {
return false;
}
return isLeaf || (!loadData && !has) || (loadData && loaded.value && !has);
});
const nodeState = computed(() => {
if (isLeaf.value) {
return null;
}
return expanded.value ? ICON_OPEN : ICON_CLOSE;
});
const isDisabled = computed(() => {
const { disabled } = props;
const { disabled: treeDisabled } = context.value;
return !!(treeDisabled || disabled);
});
const isCheckable = computed(() => {
const { checkable } = props;
const { checkable: treeCheckable } = context.value;
// Return false if tree or treeNode is not checkable
if (!treeCheckable || checkable === false) return false;
return treeCheckable;
});
const isSelectable = computed(() => {
const { selectable } = props;
const { selectable: treeSelectable } = context.value;
// Ignore when selectable is undefined or null
if (typeof selectable === 'boolean') {
return selectable;
}
return treeSelectable;
});
const renderArgsData = computed(() => {
const { data, active, checkable, disableCheckbox, disabled, selectable } = props;
return {
active,
checkable,
disableCheckbox,
disabled,
selectable,
...data,
dataRef: data,
data,
isLeaf: isLeaf.value,
checked: checked.value,
expanded: expanded.value,
loading: loading.value,
selected: selected.value,
halfChecked: halfChecked.value,
};
});
const instance = getCurrentInstance();
const eventData = computed(() => {
const { eventKey } = props;
const { keyEntities } = context.value;
const { parent } = keyEntities[eventKey] || {};
return {
...convertNodePropsToEventData(Object.assign({}, props, mergedTreeNodeProps.value)),
parent,
};
});
const dragNodeEvent: DragNodeEvent = reactive({
eventData,
eventKey: computed(() => props.eventKey),
selectHandle,
pos,
key: instance.vnode.key as Key,
});
expose(dragNodeEvent);
const onSelectorDoubleClick = (e: MouseEvent) => {
const { onNodeDoubleClick } = context.value;
onNodeDoubleClick(e, eventData.value);
};
const onSelect = (e: MouseEvent) => {
if (isDisabled.value) return;
const { onNodeSelect } = context.value;
e.preventDefault();
onNodeSelect(e, eventData.value);
};
const onCheck = (e: MouseEvent) => {
if (isDisabled.value) return;
const { disableCheckbox } = props;
const { onNodeCheck } = context.value;
if (!isCheckable.value || disableCheckbox) return;
e.preventDefault();
const targetChecked = !checked.value;
onNodeCheck(e, eventData.value, targetChecked);
};
const onSelectorClick = (e: MouseEvent) => {
// Click trigger before select/check operation
const { onNodeClick } = context.value;
onNodeClick(e, eventData.value);
if (isSelectable.value) {
onSelect(e);
} else {
onCheck(e);
}
};
const onMouseEnter = (e: MouseEvent) => {
const { onNodeMouseEnter } = context.value;
onNodeMouseEnter(e, eventData.value);
};
const onMouseLeave = (e: MouseEvent) => {
const { onNodeMouseLeave } = context.value;
onNodeMouseLeave(e, eventData.value);
};
const onContextmenu = (e: MouseEvent) => {
const { onNodeContextMenu } = context.value;
onNodeContextMenu(e, eventData.value);
};
const onDragStart = (e: DragEvent) => {
const { onNodeDragStart } = context.value;
e.stopPropagation();
dragNodeHighlight.value = true;
onNodeDragStart(e, dragNodeEvent);
try {
// ie throw error
// firefox-need-it
e.dataTransfer.setData('text/plain', '');
} catch (error) {
// empty
}
};
const onDragEnter = (e: DragEvent) => {
const { onNodeDragEnter } = context.value;
e.preventDefault();
e.stopPropagation();
onNodeDragEnter(e, dragNodeEvent);
};
const onDragOver = (e: DragEvent) => {
const { onNodeDragOver } = context.value;
e.preventDefault();
e.stopPropagation();
onNodeDragOver(e, dragNodeEvent);
};
const onDragLeave = (e: DragEvent) => {
const { onNodeDragLeave } = context.value;
e.stopPropagation();
onNodeDragLeave(e, dragNodeEvent);
};
const onDragEnd = (e: DragEvent) => {
const { onNodeDragEnd } = context.value;
e.stopPropagation();
dragNodeHighlight.value = false;
onNodeDragEnd(e, dragNodeEvent);
};
const onDrop = (e: DragEvent) => {
const { onNodeDrop } = context.value;
e.preventDefault();
e.stopPropagation();
dragNodeHighlight.value = false;
onNodeDrop(e, dragNodeEvent);
};
// Disabled item still can be switch
const onExpand = e => {
const { onNodeExpand } = context.value;
if (loading.value) return;
onNodeExpand(e, eventData.value);
};
const isDraggable = () => {
const { data } = props;
const { draggable } = context.value;
return !!(draggable && (!draggable.nodeDraggable || draggable.nodeDraggable(data)));
};
// ==================== Render: Drag Handler ====================
const renderDragHandler = () => {
const { draggable, prefixCls } = context.value;
return draggable && draggable?.icon ? (
<span class={`${prefixCls}-draggable-icon`}>{draggable.icon}</span>
) : null;
};
const renderSwitcherIconDom = () => {
const {
switcherIcon: switcherIconFromProps = slots.switcherIcon ||
context.value.slots?.[props.data?.slots?.switcherIcon],
} = props;
const { switcherIcon: switcherIconFromCtx } = context.value;
const switcherIcon = switcherIconFromProps || switcherIconFromCtx;
// if switcherIconDom is null, no render switcher span
if (typeof switcherIcon === 'function') {
return switcherIcon(renderArgsData.value);
}
return switcherIcon;
};
// Load data to avoid default expanded tree without data
const syncLoadData = () => {
//const { expanded, loading, loaded } = props;
const { loadData, onNodeLoad } = context.value;
if (loading.value) {
return;
}
// read from state to avoid loadData at same time
if (loadData && expanded.value && !isLeaf.value) {
// We needn't reload data when has children in sync logic
// It's only needed in node expanded
if (!hasChildren.value && !loaded.value) {
onNodeLoad(eventData.value);
}
}
};
onMounted(() => {
syncLoadData();
});
onUpdated(() => {
// https://github.com/vueComponent/ant-design-vue/issues/4835
syncLoadData();
});
// Switcher
const renderSwitcher = () => {
const { prefixCls } = context.value;
// if switcherIconDom is null, no render switcher span
const switcherIconDom = renderSwitcherIconDom();
if (isLeaf.value) {
return switcherIconDom !== false ? (
<span class={classNames(`${prefixCls}-switcher`, `${prefixCls}-switcher-noop`)}>
{switcherIconDom}
</span>
) : null;
}
const switcherCls = classNames(
`${prefixCls}-switcher`,
`${prefixCls}-switcher_${expanded.value ? ICON_OPEN : ICON_CLOSE}`,
);
return switcherIconDom !== false ? (
<span onClick={onExpand} class={switcherCls}>
{switcherIconDom}
</span>
) : null;
};
// Checkbox
const renderCheckbox = () => {
const { disableCheckbox } = props;
const { prefixCls } = context.value;
const disabled = isDisabled.value;
const checkable = isCheckable.value;
if (!checkable) return null;
return (
<span
class={classNames(
`${prefixCls}-checkbox`,
checked.value && `${prefixCls}-checkbox-checked`,
!checked.value && halfChecked.value && `${prefixCls}-checkbox-indeterminate`,
(disabled || disableCheckbox) && `${prefixCls}-checkbox-disabled`,
)}
onClick={onCheck}
>
{context.value.customCheckable?.()}
</span>
);
};
const renderIcon = () => {
const { prefixCls } = context.value;
return (
<span
class={classNames(
`${prefixCls}-iconEle`,
`${prefixCls}-icon__${nodeState.value || 'docu'}`,
loading.value && `${prefixCls}-icon_loading`,
)}
/>
);
};
const renderDropIndicator = () => {
const { disabled, eventKey } = props;
const {
draggable,
dropLevelOffset,
dropPosition,
prefixCls,
indent,
dropIndicatorRender,
dragOverNodeKey,
direction,
} = context.value;
const rootDraggable = draggable !== false;
// allowDrop is calculated in Tree.tsx, there is no need for calc it here
const showIndicator = !disabled && rootDraggable && dragOverNodeKey === eventKey;
return showIndicator
? dropIndicatorRender({ dropPosition, dropLevelOffset, indent, prefixCls, direction })
: null;
};
// Icon + Title
const renderSelector = () => {
const {
// title = slots.title ||
// context.value.slots?.[props.data?.slots?.title] ||
// context.value.slots?.title,
// selected,
icon = slots.icon,
// loading,
data,
} = props;
const title =
slots.title ||
context.value.slots?.[props.data?.slots?.title] ||
context.value.slots?.title ||
props.title;
const {
prefixCls,
showIcon,
icon: treeIcon,
loadData,
// slots: contextSlots,
} = context.value;
const disabled = isDisabled.value;
const wrapClass = `${prefixCls}-node-content-wrapper`;
// Icon - Still show loading icon when loading without showIcon
let $icon;
if (showIcon) {
const currentIcon = icon || context.value.slots?.[data?.slots?.icon] || treeIcon;
$icon = currentIcon ? (
<span class={classNames(`${prefixCls}-iconEle`, `${prefixCls}-icon__customize`)}>
{typeof currentIcon === 'function' ? currentIcon(renderArgsData.value) : currentIcon}
</span>
) : (
renderIcon()
);
} else if (loadData && loading.value) {
$icon = renderIcon();
}
// Title
let titleNode: any;
if (typeof title === 'function') {
titleNode = title(renderArgsData.value);
// } else if (contextSlots.titleRender) {
// titleNode = contextSlots.titleRender(renderArgsData.value);
} else {
titleNode = title;
}
titleNode = titleNode === undefined ? defaultTitle : titleNode;
const $title = <span class={`${prefixCls}-title`}>{titleNode}</span>;
return (
<span
ref={selectHandle}
title={typeof title === 'string' ? title : ''}
class={classNames(
`${wrapClass}`,
`${wrapClass}-${nodeState.value || 'normal'}`,
!disabled &&
(selected.value || dragNodeHighlight.value) &&
`${prefixCls}-node-selected`,
)}
onMouseenter={onMouseEnter}
onMouseleave={onMouseLeave}
onContextmenu={onContextmenu}
onClick={onSelectorClick}
onDblclick={onSelectorDoubleClick}
>
{$icon}
{$title}
{renderDropIndicator()}
</span>
);
};
return () => {
const {
eventKey,
isLeaf,
isStart,
isEnd,
domRef,
active,
data,
onMousemove,
selectable,
...otherProps
} = { ...props, ...attrs };
const {
prefixCls,
filterTreeNode,
keyEntities,
dropContainerKey,
dropTargetKey,
draggingNodeKey,
} = context.value;
const disabled = isDisabled.value;
const dataOrAriaAttributeProps = pickAttrs(otherProps, { aria: true, data: true });
const { level } = keyEntities[eventKey] || {};
const isEndNode = isEnd[isEnd.length - 1];
const mergedDraggable = isDraggable();
const draggableWithoutDisabled = !disabled && mergedDraggable;
const dragging = draggingNodeKey === eventKey;
const ariaSelected = selectable !== undefined ? { 'aria-selected': !!selectable } : undefined;
// console.log(1);
return (
<div
ref={domRef}
class={classNames(attrs.class, `${prefixCls}-treenode`, {
[`${prefixCls}-treenode-disabled`]: disabled,
[`${prefixCls}-treenode-switcher-${expanded.value ? 'open' : 'close'}`]: !isLeaf,
[`${prefixCls}-treenode-checkbox-checked`]: checked.value,
[`${prefixCls}-treenode-checkbox-indeterminate`]: halfChecked.value,
[`${prefixCls}-treenode-selected`]: selected.value,
[`${prefixCls}-treenode-loading`]: loading.value,
[`${prefixCls}-treenode-active`]: active,
[`${prefixCls}-treenode-leaf-last`]: isEndNode,
[`${prefixCls}-treenode-draggable`]: draggableWithoutDisabled,
dragging,
'drop-target': dropTargetKey === eventKey,
'drop-container': dropContainerKey === eventKey,
'drag-over': !disabled && dragOver.value,
'drag-over-gap-top': !disabled && dragOverGapTop.value,
'drag-over-gap-bottom': !disabled && dragOverGapBottom.value,
'filter-node': filterTreeNode && filterTreeNode(eventData.value),
})}
style={attrs.style as CSSProperties}
// Draggable config
draggable={draggableWithoutDisabled}
aria-grabbed={dragging}
onDragstart={draggableWithoutDisabled ? onDragStart : undefined}
// Drop config
onDragenter={mergedDraggable ? onDragEnter : undefined}
onDragover={mergedDraggable ? onDragOver : undefined}
onDragleave={mergedDraggable ? onDragLeave : undefined}
onDrop={mergedDraggable ? onDrop : undefined}
onDragend={mergedDraggable ? onDragEnd : undefined}
onMousemove={onMousemove}
{...ariaSelected}
{...dataOrAriaAttributeProps}
>
<Indent prefixCls={prefixCls} level={level} isStart={isStart} isEnd={isEnd} />
{renderDragHandler()}
{renderSwitcher()}
{renderCheckbox()}
{renderSelector()}
</div>
);
};
},
});