401 lines
12 KiB
JavaScript
401 lines
12 KiB
JavaScript
import { global } from "../../utility";
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import { createElement } from "../../functions";
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import { createIcon } from "../icon";
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import { createCheckbox } from "../checkbox";
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// import { setTooltip } from "../tooltip";
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import { Dropdown } from "../dropdown";
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import { convertCssStyle } from "../extension";
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import { createDateInput, formatDate, setDateValue, getDateValue } from "../date";
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/**
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* 列定义基类
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* @class
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*/
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export class GridColumn {
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/**
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* 创建显示单元格时调用的方法
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* @param {GridColumnDefinition} col - 列定义对象
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* @returns {HTMLElement} 返回创建的单元格元素
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* @virtual
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*/
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static create() {
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return createElement('span');
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}
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/**
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* 创建编辑单元格时调用的方法
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*
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* 元素修改后设置行包装对象的 `__editing` 后，支持在离开编辑状态时及时触发 [leaveEdit]{@linkcode GridColumn.leaveEdit} 方法<br/>
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* 更多例子参考代码中 {@linkcode GridDropdownColumn} 的实现。
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* @param {Function} trigger - 编辑事件回调函数，`e` 参数会传递给 [getValue]{@linkcode GridColumn.getValue} 方法
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* @param {GridColumnDefinition} col - 列定义对象
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* @param {HTMLElement} container - 父容器元素
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* @param {GridItemWrapper} vals - 行包装对象，其 `values` 属性为行数据对象
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* @returns {HTMLElement} 返回创建的编辑状态的单元格元素
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* @virtual
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*/
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static createEdit() { }
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/**
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* 创建列头时调用的方法
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* @param {GridColumnDefinition} col - 列定义对象
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* @returns {HTMLElement} 返回创建的列头元素
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* @virtual
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*/
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static createCaption() { }
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/**
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* 设置单元格值时调用的方法
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* @param {HTMLElement} element - 单元格元素
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* @param {(string | boolean | number)} val - 待设置的单元格值
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* @param {GridItemWrapper} vals - 行包装对象
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* @param {GridColumnDefinition} col - 列定义对象
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* @param {Grid} grid - Grid 对象
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* @virtual
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*/
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static setValue(element, val) {
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element.innerText = val;
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}
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/**
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* 获取编辑状态单元格值时调用的方法
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* @param {any} `e` 由 [createEdit]{@linkcode GridColumn.createEdit} 方法中 `trigger` 函数传递来的对象
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* @param {GridColumnDefinition} col - 列定义对象
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* @returns {(string | boolean | number)} 返回单元格的值
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* @virtual
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*/
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static getValue() { }
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/**
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* 设置单元格样式时调用的方法
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* @param {HTMLElement} element - 单元格元素
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* @param {object} style - 样式对象
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* @virtual
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*/
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static setStyle(element, style) {
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// for (let css of Object.entries(style)) {
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// element.style.setProperty(css[0], css[1]);
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// }
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element.style.cssText = convertCssStyle(style);
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}
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/**
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* 设置单元格可用性时调用的方法
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* @param {HTMLElement} element - 单元格元素
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* @param {boolean} enabled - 启用值，为 `false` 时代表禁用
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* @virtual
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*/
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static setEnabled(element, enabled) {
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const tooltip = element.querySelector('.ui-tooltip-wrapper');
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if (tooltip != null) {
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tooltip.style.display = enabled === false ? 'none' : '';
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}
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}
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/**
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* 单元格离开编辑元素时触发，需要由行包装对象的 `__editing` 来确定是否触发。
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* @param {HTMLElement} element - 单元格元素
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* @param {HTMLElement} container - 父容器元素
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* @virtual
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*/
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static leaveEdit() { }
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static toString() { return '[object Column]' }
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}
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/**
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* 单行文本列
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* @extends GridColumn
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*/
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export class GridInputColumn extends GridColumn {
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/**
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* 设置该类型是否支持触发 [onInputEnded]{@linkcode GridColumnDefinition.onInputEnded} 方法<br/>
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* 该属性返回 `true` 后，在任意事件中修改行包装对象的 `__editing` 值，则会在行列元素变动时及时触发 [onInputEnded]{@linkcode GridColumnDefinition.onInputEnded} 方法，避免例如文本框还未触发 `onchange` 事件就被移除元素而导致的问题<br/>
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* 更多例子参考代码中 {@linkcode GridInputColumn} 的实现
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* @readonly
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* @type {boolean}
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*/
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static get editing() { return true };
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static createEdit(trigger, col, _wrapper, vals) {
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const input = createElement('input');
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input.setAttribute('type', 'text');
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if (typeof trigger === 'function') {
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input.addEventListener('change', trigger);
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}
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input.addEventListener('input', () => {
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if (vals.__editing == null) {
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vals.__editing = {
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[col.key]: true
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}
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} else {
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vals.__editing[col.key] = true;
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}
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});
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return input;
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}
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static setValue(element, val) {
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if (element.tagName !== 'INPUT') {
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super.setValue(element, val);
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} else {
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element.value = val;
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}
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}
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static getValue(e) { return e.target.value }
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static setEnabled(element, enabled) {
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super.setEnabled(element, enabled);
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element.disabled = enabled === false;
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}
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}
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export class GridTextColumn extends GridInputColumn {
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static createEdit(trigger, col, _wrapper, vals) {
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const input = createElement('textarea');
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if (typeof trigger === 'function') {
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input.addEventListener('change', trigger);
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}
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input.addEventListener('input', () => {
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if (vals.__editing == null) {
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vals.__editing = {
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[col.key]: true
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}
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} else {
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vals.__editing[col.key] = true;
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}
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});
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return input;
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}
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static setValue(element, val, _item, _col, grid) {
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if (element.tagName !== 'TEXTAREA') {
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super.setValue(element, val);
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} else {
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element.value = val;
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if (val != null) {
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const lines = String(val).split('\n').length;
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element.style.height = `${lines * grid.lineHeight + 12}px`;
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}
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// TODO: bad performance
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}
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}
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}
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const SymbolDropdown = Symbol.for('ui-dropdown');
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export class GridDropdownColumn extends GridColumn {
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static createEdit(trigger, col, container, it) {
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const drop = new Dropdown({
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...col.dropOptions,
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wrapper: container.parentElement
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});
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drop.onSelected = trigger;
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drop.onExpanded = () => {
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if (it.__editing == null) {
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it.__editing = {
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[col.key]: true
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}
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} else {
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it.__editing[col.key] = true;
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}
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if (typeof col.onDropExpanded === 'function') {
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col.onDropExpanded.call(col, it.values, drop);
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}
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};
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return drop.create();
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}
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static _getDrop(element) {
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const dropGlobal = global[SymbolDropdown];
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if (dropGlobal == null) {
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return null;
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}
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const dropId = element.dataset.dropId;
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const drop = dropGlobal[dropId];
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if (drop == null) {
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return null;
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}
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return drop;
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}
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static _getSource(item, col) {
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let source;
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if (col.sourceCache !== false) {
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source = item.source?.[col.key];
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if (source != null) {
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return source;
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}
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}
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source = col.source;
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if (typeof source === 'function') {
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source = source(item.values);
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}
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if (col.sourceCache !== false) {
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if (item.source == null) {
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item.source = { [col.key]: source };
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} else {
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item.source[col.key] = source;
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}
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}
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return source;
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}
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static _setValue(source, element, val, opts) {
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const data = source?.find(v => v[opts?.valueKey ?? 'value'] === val);
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if (data != null) {
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val = data[opts?.textKey ?? 'text'];
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}
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super.setValue(element, val);
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}
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static setValue(element, val, item, col) {
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if (element.tagName !== 'DIV') {
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let source = this._getSource(item, col);
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if (source instanceof Promise) {
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source.then(s => this._setValue(s, element, val, col.dropOptions));
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} else {
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this._setValue(source, element, val, col.dropOptions);
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}
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return;
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}
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const drop = this._getDrop(element);
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if (drop == null) {
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return;
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}
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if (drop.source == null || drop.source.length === 0) {
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let source = this._getSource(item, col);
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if (source instanceof Promise) {
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source.then(s => {
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drop.source = s;
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drop.select(val, true);
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})
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return;
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} else if (source != null) {
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drop.source = source;
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}
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}
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drop.select(val, true);
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}
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static getValue(e, col) {
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return e[col.dropOptions?.valueKey ?? 'value'];
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}
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static setEnabled(element, enabled) {
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super.setEnabled(element, enabled);
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const drop = this._getDrop(element);
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if (drop == null) {
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return;
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}
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drop.disabled = enabled === false;
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}
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static leaveEdit(element, container) {
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container.parentElement.querySelectorAll('.ui-drop-box.active').forEach(e => {
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if (e != null) {
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e.classList.remove('active');
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}
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});
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const drop = this._getDrop(element);
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if (drop == null) {
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return;
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}
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if (drop?.multiSelect && typeof drop.onCollapsed === 'function') {
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drop.onCollapsed();
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}
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}
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}
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export class GridCheckboxColumn extends GridColumn {
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static createEdit(trigger) {
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const check = createCheckbox({
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onchange: typeof trigger === 'function' ? trigger : null
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});
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return check;
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}
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static setValue(element, val) {
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element.querySelector('input').checked = val;
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}
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static getValue(e) { return e.target.checked }
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static setEnabled(element, enabled) {
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super.setEnabled(element, enabled);
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element.querySelector('input').disabled = enabled === false;
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}
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}
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export class GridIconColumn extends GridColumn {
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static create() { return createElement('span', 'col-icon') }
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static setValue(element, val, item, col) {
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let className = col.iconClassName;
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if (typeof className === 'function') {
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className = className.call(col, item.values);
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}
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if (className == null) {
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element.className = 'col-icon';
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} else {
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element.className = `col-icon ${className}`;
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}
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let type = col.iconType;
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if (typeof type === 'function') {
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type = type.call(col, item.values);
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}
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type ??= 'fa-light';
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if (element.dataset.type !== type || element.dataset.icon !== val) {
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const icon = createIcon(type, val);
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// const layer = element.children[0];
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element.replaceChildren(icon);
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// !nullOrEmpty(col.tooltip) && setTooltip(element, col.tooltip, false, grid.element);
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element.dataset.type = type;
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element.dataset.icon = val;
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}
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}
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static setEnabled(element, enabled) {
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super.setEnabled(element, enabled);
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if (enabled === false) {
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element.classList.add('disabled');
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} else {
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element.classList.remove('disabled');
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}
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}
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}
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export class GridDateColumn extends GridColumn {
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static createEdit(trigger, col, _container, vals) {
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let enabled = col.enabled;
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if (typeof enabled === 'string') {
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enabled = vals.values[enabled];
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} else if (typeof enabled === 'function') {
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enabled = col.enabled(vals.values);
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}
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if (enabled === false) {
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return super.create();
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}
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const date = createDateInput(col.dateMin, col.dateMax);
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// date.addEventListener('change', trigger);
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date.addEventListener('blur', trigger);
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return date;
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}
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static setValue(element, val) {
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setDateValue(element, val);
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}
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static getValue(e, col) {
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return getDateValue(e.target, col.dateValueFormatter);
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}
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static setEnabled(element, enabled) {
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element.disabled = enabled === false;
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}
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static formatDate(date) {
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return formatDate(date);
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}
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} |