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| /**
* 表格单元格编辑器
*
* @file 表格单元格编辑器
* @author Brian Li(lbxxlht@163.com)
*
* 数据结构
* <Editor>
* {
* index: <number>, 列索引号
* value: <Function>, 初始值获取函数，有些列渲染时可能含有html，用这个函数从item中直接获取值
* check: <Array.<Function>>, 校验方法队列,
* onPass: <Function> 通过校验后的回调，形参：newValue(单元格修改后的值), item(行数据源), rowIndex(行号)
* }
*/
var define = typeof define === 'function' && define.amd ? define : function (factory) {
typeof module === 'object' ? (module.exports = factory(require)) : '';
};
define(function (require) {
var util = require('../core/util');
var Plugin = require('../core/plugin');
// public /////////////////////////////////////////////////////////////////
/**
* 构造函数
*
* @constructor
* @param {Object} param 初始化对象
* @param {Array.<Editor>} param.editors 行编辑配置
* @param {string} param.enterButtonLabel 确定按钮标签
* @param {string} param.cancelButtonLabel 取消按钮标签
*/
function TableCellEditor(param) {
if (!(this instanceof TableCellEditor)) {
return new TableCellEditor(param);
}
param = param || {};
this.editors = param.editors instanceof Array ? param.editors : [];
this.enterButtonLabel = param.enterButtonLabel || 'enter';
this.cancelButtonLabel = param.cancelButtonLabel || 'cancel';
this.processor = {};
this.activeCell = null;
for (var i = 0; i < this.editors.length; i++) {
this.processor[this.editors[i].index] = this.editors[i];
}
Plugin.call(this, param);
}
util.inherit(TableCellEditor, Plugin);
/**
* @override
*
* @param {Object} param 宿主UI初始化时的参数引用，***操作请小心***
* @return {boolean} 是否初始化成功
*/
TableCellEditor.prototype.load = function (param) {
param.pluginSkin = util.joinClassName(param.pluginSkin, 'table-cell-editor');
param.tpl = extendTPL(param.tpl, this.editors);
util.appendHandler(param, 'click', mouseHandler);
util.appendHandler(param, 'input', changeHandler);
util.appendHandler(param, 'keyup', keyHandler);
return true;
};
/**
* 开启某单元格的编辑
*
* @param {number} rowIndex 行索引
* @param {number} columnIndex 列索引
*/
TableCellEditor.prototype.setEditor = function (rowIndex, columnIndex) {
if (!this.processor.hasOwnProperty(columnIndex)) {
return;
}
this.removeEditor();
var processor = this.processor[columnIndex];
var item = this.host.datasource[rowIndex];
var data = typeof processor.value === 'function'
? processor.value(item) : this.host._temp.renderData[rowIndex][columnIndex];
var html = [
'<div class="editor-box">',
'<input data-ui-cmd="cellinput" type="text" value="' + data + '"/>',
'<div class="result-alert"></div>',
'<div data-ui-cmd="cellenter" class="button important-button">' + this.enterButtonLabel + '</div>',
'<div data-ui-cmd="cellcancel" class="button default-button">' + this.cancelButtonLabel + '</div>',
'</div>'
];
getCell(this.host.container, rowIndex, columnIndex).find('.cell-editor-border').prepend(html.join(''));
this.activeCell = rowIndex + ';' + columnIndex;
};
/**
* 移除editor
*/
TableCellEditor.prototype.removeEditor = function () {
this.activeCell = null;
$(this.host.container).find('.editor-box').remove();
};
// private /////////////////////////////////////////////////////////////////
/**
* 对模版进行扩充
*
* @param {Array.<string>} tpl 原始模板
* @param {Array.<Editor>} editors 编辑器配置
* @return {Array.<string>} 扩展后的模板
*/
function extendTPL(tpl, editors) {
var picker = new util.Picker(tpl);
for (var i = 0; i < editors.length; i++) {
picker.find('.tr [data-ui-column="' + editors[i].index + '"]').head([
'<div class="cell-editor-border">',
'<div class="font-icon font-icon-edit" data-ui-cmd="celleditor"></div>'
]).foot('</div>');
}
return picker.export();
}
/**
* 获取单元格操作jquery
*
* @param <HtmlElement> container 宿主容器
* @param {number} rowIndex 行索引
* @param {number} columnIndex 列索引
* @param {Object} 单元格jquery对象
*/
function getCell(container, rowIndex, columnIndex) {
return $(container).find('[data-ui-row="' + rowIndex + '"] [data-ui-column="' + columnIndex + '"]');
}
/**
* 对输入进行校验
*
* @param {TableCellEditor} me editor实例
* @param {Object} processor 校验器
* @param {string} value 等待校验的数据
* @param {Object} item 处于编辑状态的行对应的数据源
* @return {boolean} 是否通过了所有校验
*/
function checking(me, processor, value, item) {
var checkers = processor.check instanceof Array ? processor.check : [processor.check];
var pass = true;
for (var i = 0; i < checkers.length; i++) {
if (typeof checkers[i] !== 'function') {
continue;
}
var alertMsg = '';
var result = checkers[i](value, item);
if (typeof result === 'string') {
alertMsg = result;
pass = false;
}
$(me.host.container).find('.editor-box .result-alert').text(alertMsg);
if (!pass) {
break;
}
}
return pass;
}
/**
* 点击确定回传数据
*
* @param {Table} me table实例
* @param {Array.<number>} axis 单元格坐标
*/
function onEnter(me, axis) {
var dataItem = me.datasource[axis[0]];
var cellEditor = me.plugin.TableCellEditor;
var processor = cellEditor.processor[axis[1]];
var value = $(me.container).find('.editor-box input').val();
if (
!processor
|| typeof processor.onPass !== 'function'
|| !checking(cellEditor, processor, value, dataItem)
) {
return;
}
cellEditor.removeEditor();
processor.onPass.apply(me, [value, dataItem, axis[0]]);
}
/**
* 处理一切鼠标事件
*
* @param {Event} evt 鼠标事件句柄
*/
function mouseHandler(evt) {
var dataset = util.getDataset(evt.target);
var axis = this.getMouseAxis(evt.target);
var cellEditor = this.plugin.TableCellEditor;
if (dataset.uiCmd !== 'celleditor' && cellEditor.activeCell !== axis.join(';')){
cellEditor.removeEditor();
return;
}
if (axis[0] < 0 || axis[1] < 0) {
return;
}
switch (dataset.uiCmd) {
case 'celleditor':
cellEditor.setEditor(axis[0], axis[1]);
break;
case 'cellcancel':
cellEditor.removeEditor();
break;
case 'cellenter':
onEnter(this, axis);
default:
break;
}
}
/**
* 处理输入框change事件
*/
function changeHandler(evt) {
var dataset = util.getDataset(evt.target);
var axis = this.getMouseAxis(evt.target);
var cellEditor = this.plugin.TableCellEditor;
var processor = cellEditor.processor[axis[1]];
if (!processor|| cellEditor.activeCell !== axis.join(';')) {
return;
}
checking(cellEditor, processor, evt.target.value, this.datasource[axis[0]]);
}
/**
* 输入框key事件
*/
function keyHandler(evt) {
var dataset = util.getDataset(evt.target);
var axis = this.getMouseAxis(evt.target);
var cellEditor = this.plugin.TableCellEditor;
if (evt.keyCode !== 13 || cellEditor.activeCell !== axis.join(';')) {
return;
}
onEnter(this, axis);
}
return TableCellEditor;
});
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