116 lines
2.4 KiB
JavaScript
116 lines
2.4 KiB
JavaScript
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export const NODE_KEY = '$treeNodeId';
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export const markNodeData = function(node, data) {
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if (!data || data[NODE_KEY]) return;
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Object.defineProperty(data, NODE_KEY, {
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value: node.id,
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enumerable: false,
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configurable: false,
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writable: false
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});
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};
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export const getNodeKey = function(key, data) {
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if (!data) return null;
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if (!key) return data[NODE_KEY];
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return data[key];
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};
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export const objectAssign = function(target) {
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for (let i = 1, j = arguments.length; i < j; i++) {
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let source = arguments[i] || {};
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for (let prop in source) {
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if (source.hasOwnProperty(prop)) {
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let value = source[prop];
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if (value !== undefined) {
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target[prop] = value;
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}
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}
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}
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}
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return target;
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};
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// TODO: use native Array.find, Array.findIndex when IE support is dropped
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export const arrayFindIndex = function(arr, pred) {
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for (let i = 0; i !== arr.length; ++i) {
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if (pred(arr[i])) {
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return i;
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}
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}
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return -1;
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};
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export const getChildState = function(node) {
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let all = true;
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let none = true;
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let allWithoutDisable = true;
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for (let i = 0, j = node.length; i < j; i++) {
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const n = node[i];
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if (n.checked !== true || n.indeterminate) {
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all = false;
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if (!n.disabled) {
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allWithoutDisable = false;
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}
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}
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if (n.checked !== false || n.indeterminate) {
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none = false;
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}
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}
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return {
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all,
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none,
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allWithoutDisable,
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half: !all && !none
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};
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};
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export const reInitChecked = function(node) {
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if (!node || node.childNodesId.length === 0) return;
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let childNodes = node.getChildNodes(node.childNodesId);
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const {
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all,
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none,
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half
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} = getChildState(childNodes);
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if (all) {
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node.checked = true;
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node.indeterminate = false;
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} else if (half) {
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node.checked = false;
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node.indeterminate = true;
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} else if (none) {
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node.checked = false;
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node.indeterminate = false;
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}
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let parent = node.getParent(node.parentId);
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if (!parent || parent.level === 0) return;
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if (!node.store().checkStrictly) {
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reInitChecked(parent);
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}
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};
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export const getPropertyFromData = function(node, prop) {
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const props = node.store().props;
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const data = node.data || {};
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const config = props[prop];
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if (typeof config === 'function') {
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return config(data, node);
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} else if (typeof config === 'string') {
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return data[config];
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} else if (typeof config === 'undefined') {
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const dataProp = data[prop];
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return dataProp === undefined ? '' : dataProp;
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}
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};
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export const isNull = function(v) {
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return v === undefined || v === null || v === '';
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}
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