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;
'use strict';
/**
* 向jQuery注册组件SearchView
*/
(function($, window) {
/**
* 构建Select对象
* @param {Object} _setting 配置对象
* @param {Object} _name 组件在表单的名称
* @param {Object} _funcDataSource 数据源函数
* @param {Object} _funcDecode 反查函数
* @param {Object} _funcShowMessage 消息显示函数
* @param {Object} _funcClick 单击函数
* @param {Object} _funcHover 悬浮函数
* @param {Object} _funcMouseout 鼠标移出函数
*/
$.fn.select3 = function( _setting,
_name,
_funcDataSource,
_funcDecode,
_funcShowMessage,
_funcClick,
_funcHover,
_funcMouseOut
){
var timeoutId;
var lastKeydownTimestamp = 0;
var setting;
//组件最外层的div
var self = $(this);
//组件编号
var id = self.attr('id');
//组件名称
var name = self.data('name');
//数据源回调函数
var funcDataSource = _funcDataSource;
//初始值反差函数
var funcDecode = _funcDecode;
//消息提示回调函数
var funcShowMessage;
//单击事件回调函数
var funcClick = _funcClick;
//鼠标悬浮回调函数
var funcHover = _funcHover;
//鼠标移出组件回调函数
var funcMouseOut = _funcMouseOut;
//当前页码
var pageNo = self.data('pageNo');
//分页页数
var pageNum = self.data('pageNum');
//分页大小
var pageSize = self.data('pageSize');
//记录总条数
var total = self.data('total');
//选中的默认值
var selectedValue = self.data('value');
if(typeof(selectedValue) == 'number'){
selectedValue = selectedValue.toString();
}
var source = self.data('source');
if(source){
var source0 = null;
if(typeof(source) == 'string'){
try{
source0 = JSON.parse(source);
}catch(err){
throw '<div class="select3-ui" id="'+ id +'" data-value="'+ selectedValue +'" data-source="'+ source +'"></div> 中的source配置错误';
}
source = source0;
}else if(typeof(source) == 'number'){
throw '<div class="select3-ui" id="'+ id +'" data-value="'+ selectedValue +'" data-source="'+ source +'"></div> 中的source配置错误';
}
}else{
source = {};
}
var lastKeyword = "";
_setting = (!_setting? JSON.parse(self.data('setting')) : _setting);
setting = $.extend({}, {
mode:'local',//本地模式
placeholder:'',//占位符文本
length: '200px',//界面宽度(单位百分数或者px)
topOffset: 10,//界面下拉界面与展示框之间的间距(单位px)
multiple:false,//是否可以多选
selectParent:false,//是否可以选择父节点
duplicate:false,//是否可以重复选
disabled:false,//是否禁用
readonly:false,//是否只读
closeWhenSelect:true,//当选择完成后关闭面板，仅在单选有效
countdownSearch:true,//倒计时搜索
countdownTime:500,//倒计时时间,单位毫秒
renderDropdownItemInUiContainer:true,//渲染下拉项UI容器中还是在body内渲染
pageSize:10,//默认分页大小为10条
pageNo:0,//默认从第几页开始
debug:false,//调试模式
local:{
searchPlaceholder : '请输入过滤词'
},
remote:{
searchPlaceholder : '请输入搜索关键词'
}
}, _setting);
pageNo = (!pageNo? setting.pageNo : pageNo);
pageNum = (!pageNum? 0 : pageNum);
pageSize = (!pageSize? setting.pageSize : pageSize);
name = (!name? (!_name? id : _name) : name);
total = (!total? 0 : total);
self.data('name', name);
self.data('pageNo', pageNo);
self.data('pageNum', pageNum);
self.data('pageSize', pageSize);
self.data('total', total);
self.data('setting', JSON.stringify(setting));
//如果没有消息函数，则构建一个默认的以alert替代的函数
if(!_funcShowMessage){
funcShowMessage = function(title, message){
alert(message);
};
}else{
funcShowMessage = _funcShowMessage;
}
if(!_funcDecode){
funcDecode = function(value){
return source;
}
}
function select3(){
}
/**
* 绑定事件
*/
function _bindEvent(){
var _this = this;
self.find(".select3-item").click(function() {
var selectItem = $(this).parent("li");
});
$("#"+ id +"__select3-items-box").find(".select3-tree li>.select3-unfold-icon").click(function(e) {
e.stopPropagation(); //阻止事件冒泡
var node = $(this).parent("li");
if(node.hasClass("select3-tree-unfold")) {
node.removeClass("select3-tree-unfold");
node.find(">ul").hide();
} else {
node.addClass("select3-tree-unfold");
node.find(">ul").show();
}
});
$("#"+ id +"__select3-items-box").find(".select3-item").click(function(e) {
e.stopPropagation(); //阻止事件冒泡
var node = $(this).parent("li");
//如果可以多选
if(setting.multiple){
//如果可以选择父节点
if(setting.selectParent){
//如果可以选择重复节点
if(setting.duplicate){
_select(node);
}else{//如果不可以选择重复节点
var selecteds = _getSelectedValue();
if($.inArray(node.data('value'), selecteds) == -1){
_select(node);
node.hide();
node.attr('disabled', 'disabled');
}
}
}else{//如果不能选择父节点，单击项目并且有子节点的仅仅是展开或折叠
if(node.find("ul>li .select3-item").length > 0){
if(node.hasClass("select3-tree-unfold")) {//如果已展开，就折叠
node.removeClass("select3-tree-unfold");
node.find(">ul").hide();
} else {//如果处于折叠，就展开
node.addClass("select3-tree-unfold");
node.find(">ul").show();
}
}else{
//如果可以选择重复节点
if(setting.duplicate){
_select(node);
}else{//如果不可以选择重复节点
var selecteds = _getSelectedValue();
if($.inArray(node.data('value'), selecteds) == -1){
_select(node);
node.hide();
node.attr('disabled', 'disabled');
}
}
}
}
}else{//单选
if(self.data('selected-finish')){
return;
}
//如果可以选择父节点
if(setting.selectParent){
_select(node);
self.data('selected-finish', true);
//如果为单选将所有选项设置为禁用
self.find('.select3-option').attr('disabled', 'disabled');
}else{//如果不能选择父节点，单击项目并且有子节点的仅仅是展开或折叠
if(node.find("ul>li .select3-item").length > 0){
if(node.hasClass("select3-tree-unfold")) {//如果已展开，就折叠
node.removeClass("select3-tree-unfold");
node.find(">ul").hide();
} else {//如果处于折叠，就展开
node.addClass("select3-tree-unfold");
node.find(">ul").show();
}
}else{
_select(node);
self.data('selected-finish', true);
self.find('.select3-option').attr('disabled', 'disabled');
}
}
}
});
}
/**
* 选择选项的处理
* @param {Object} value
* @param {Object} text
*/
function _select(node){
var value = node.data("value");
var text = node.data("text");
//随机编号
var uid = Number(Math.random().toString().substr(3,length) + Date.now()).toString(36);
var closeBtn = '<i class="select3-selected-icon select3-icon select3-icon-close"></i>';
self.find(".select3-selected-items").append('<li class="select3-selected-item" data-uid="'+ uid +'" data-value="' + value + '" data-text="' + text + '"><span>' + text + '</span>' + (setting.readonly ? '' :closeBtn ) + '</li>');
$('<input type="hidden" class="select3-selected-input" name="'+ name +'" data-uid="'+ uid +'" value="' + value + '"></input>').appendTo($("#" + id + "__selected-inputs"));
//注册选中项单击的事件
if(!setting.readonly){
//注册单击删除已选项后如何处理禁用状态
self.find(".select3-selected-item[data-uid="+ uid +"]").find(".select3-selected-icon").click(function(e){
e.stopPropagation(); //阻止事件冒泡
var selectedItem = $(this).parent(".select3-selected-item");
if(setting.multiple){//如果是多选，则查找选择的备选项进行显示和移出禁用
if(setting.duplicate){
}else{
var hiddenSelectItem = $("#"+ id +"__select3-items-box .select3-option[data-value="+selectedItem.data('value')+"]");
if(hiddenSelectItem.length > 0){
hiddenSelectItem.removeAttr('disabled');
hiddenSelectItem.show();
}
self.data('selected-finish', false);
}
}else{//如果是单选，则移出所有选项的禁用状态，并且显示
var selectItems = $("#"+ id +"__select3-items-box .select3-option");
selectItems.removeAttr('disabled');
selectItems.show();
self.data('selected-finish', false);
}
var _uid = selectedItem.data('uid');
$("#"+ id +"__selected-inputs").find("input[data-uid="+ _uid +"]").remove();
selectedItem.remove();
if(self.find('.select3-selected-item').length > 0){
_hidePlaceholder();
}else{
_showPlaceholder();
}
});
}
_hidePlaceholder();
if(setting.multiple){
if(setting.duplicate){
}else{
node.hide();
}
}else{
node.hide();
if(setting.closeWhenSelect){
_hideDropdownPanel();
}
}
}
/**
* 显示占位符
*/
function _showPlaceholder(){
if(setting.placeholder && $("#"+ id +"__selected-items>.select3-placeholder").length == 0){
$('<li class="select3-placeholder">' + setting.placeholder + '</li>').appendTo($("#"+ id +"__selected-items"));
}
}
/**
* 隐藏占位符
*/
function _hidePlaceholder(){
if(setting.placeholder){
$("#"+ id +"__selected-items>.select3-placeholder").remove();
}
}
function _hideDropdownPanel(target){
var self = null;
if(target){
self = $(target).parent(".select3-dropdown-items");
}
$(".select3-dropdown-items").each(function(index, ele){
var dropdownItems = $(ele);
//如果当前进行点击操作的元素是 面板，则跳过该面板的隐藏
if(self && self.attr("id") == dropdownItems.attr("id")){
return;
}
dropdownItems.hide();
dropdownItems.find(".select3-search-input").val('');
});
}
/**
* 渲染UI界面
* @param {Object} data 数据
*/
function _renderUI(data){
var selectedValues = self.data('selectedValues');
selectedValues = selectedValues ? selectedValues : _getSelectedValue();
selectedValues = ((typeof(selectedValues) == 'string')? JSON.parse(selectedValues): selectedValues);
//JSON数据存在nodes节点，且存在至少一个结果进行渲染
return _renderNodes(data.nodes, 0, selectedValues);
}
/**
* 渲染节点数据
* @param {Object} nodes 节点数据
* @param {Object} deep 深度
* @param {Object} selectedValues 已选中的值
*/
function _renderNodes(nodes, deep, selectedValues){
var root = $('<ul class="select3-tree" style="' + (deep != 0 ? 'padding-left: 16px;display: none;' : '') + '"></ul>');
for(var index in nodes) {
var node = nodes[index];
var element = _renderNode(node, selectedValues);
//存在子节点
if(node.nodes) {
element.append('<i class="select3-unfold-icon select3-icon select3-icon-enter"></i>');
var tree = _renderNodes(node.nodes, ++deep, selectedValues);
tree.appendTo(element);
}
element.appendTo(root);
}
return root;
}
/**
* 渲染节点
* @param {Object} node 节点数据
* @param {Object} selectedValues 已选中的值
*/
function _renderNode(node, selectedValues){
var icon = node.icon ? node.icon : '';
var value = node.value;
var text = node.text;
var selected = node.selected;
var disabled = false;
if(setting.multiple){//如果是多选
for(var idx in selectedValues){
var selectedValue = selectedValues[idx];
if(selectedValue == value){
selected = true;
disabled = true;
}
}
}else{//如果是单选
if(self.data('selected-finish')){
disabled = true;
}
}
var element = $('<li class="select3-option" data-icon="' + icon + '" data-value="' + value + '" data-text="' + text + '" '+ (disabled ? 'disabled="disabled" ': '') + (selected ? 'style="display:none;"' : '') +'><i class="select3-item-icon select3-icon ' + icon + '"></i><span class="select3-item">' + text + '</span></li>');
if(node.selected){
_select(node);
}
return element;
}
/**
* 本地搜索
* @param {Object} keyword 关键词
*/
function _localSearch(keyword){
var matchCount = 0;
$("#"+ id +"__select3-items-box").find(".select3-option").each(function(index, ele){
var option = $(ele);
var item = option.find(">.select3-item");
var text = option.data('text');
var value = option.data('value');
var pos = text.indexOf(keyword);
//如果关键词没有，则全部恢复
if(!keyword || keyword.length == 0){
item.html(text);
if(!option.attr('disabled')){
option.show();
option.parents('.select3-option').show();
}
matchCount++;
return;
}
if(pos>-1){
item.html(text.slice(0,pos)
+ '<span class="select3-search-result">'
+ keyword
+ '</span>'
+ text.slice(pos + keyword.length)
);
if(!option.attr('disabled')){
option.show();
option.parents('.select3-option').show();
}
matchCount++;
}else{
option.hide();
}
});
//没有匹配的结果，显示提示信息
var remindBox = $("#"+ id +"__select3-remind-box");
if(matchCount == 0){
remindBox.html('无匹配的选项！');
remindBox.show();
}else{
remindBox.html('');
remindBox.hide();
}
};
/**
* 远程搜索
* @param {Object} keyword 关键字
*/
function _remoteSearch(keyword, _pageNo){
if(setting.debug){
console.log(new Date().getTime() + ":正在触发搜索");
}
if(!funcDataSource){
funcShowMessage('错误','未提供数据源函数!');
return;
}
if(lastKeyword != keyword){//如果搜索关键词不一样，则重置为1
pageNo = 1;
}else{
pageNo = _pageNo;
}
var data = funcDataSource(instance, keyword, pageSize, pageNo);
//如果无数据返回，可能是数据源回调接口已在内部执行设置数据源函数
if(data != undefined && data != null){
//发送获取远程数据源
_setDataSource(data);
}
//每次搜索完保存上一次的搜索结果
lastKeyword = keyword;
}
/**
* 刷新
*/
function _refresh(){
var keyword = $("#"+ id + "__select3-search-input").val();
if(setting.mode == 'local'){
_localSearch(keyword);
}else{
_remoteSearch(keyword, 1);
}
}
/**
* 绘制组件
*/
function _draw(){
var _this = this;
//清空当前组件最外层以内的所有元素
self.empty();
var pagination = '<!--分页区-->'
+'<div class="select3-pagination" id="'+ id +'__pagination">'
+'<i class="select3-pagination-button select3-icon select3-icon-skip-previous"></i>'
+'<i class="select3-pagination-button select3-icon select3-icon-chevron-left"></i>'
+'<span class="select3-pagination-text" id="'+ id +'__pagination-pageNo">'+ pageNo +'</span><span class="select3-pagination-text">/</span><span class="select3-pagination-text" id="'+ id +'__pagination-pageNum">'+ pageNum +'</span>'
+'<i class="select3-pagination-button select3-icon select3-icon-chevron-right"></i>'
+'<i class="select3-pagination-button select3-icon select3-icon-skip-next"></i>'
+'</div>';
var placeholder = (setting.placeholder ? '<li class="select3-placeholder">'+ setting.placeholder +'</li>' : '');
var refreshBtn = '<span class="select3-refresh-btn select3-icon select3-icon-refresh" id="'+ id +'__select3-refresh-btn"></span>';
self.append('<div class="select3-selected-bar" id="'+ id +'__select3-selected-bar">'
+'<ul class="select3-selected-items" id="'+ id +'__selected-items">'
+ placeholder
+'</ul>'
+'<div id="'+ id +'__selected-inputs" style="display:none;"></div>'
+ (setting.readonly ? '' : refreshBtn)
+'</div>');
var x = $("#"+ id).offset().left;
var y = $("#"+ id).height() + $("#"+ id).offset().top;
var dropdownParent = null;
var posStyle = null;
if(setting.renderDropdownItemInUiContainer){
dropdownParent = self;
}else{
dropdownParent = $("html");
posStyle = "left:" + x + "px;top:" + y + "px;";
}
dropdownParent.append('<div class="select3-dropdown-items" id="'+ id +'__select3-dropdown-items" style="width: calc('+ self.width() +'px - 2px); display: none;'+ (setting.renderDropdownItemInUiContainer ? '' : posStyle) +'">'
+'<div class="select3-search-bar">'
+'<input class="select3-search-input" id="'+ id +'__select3-search-input" placeholder="'+ (setting.mode == 'local' ? setting.local.searchPlaceholder:setting.remote.searchPlaceholder) +'">'
+'<span class="select3-search-btn select3-icon '+ (setting.mode == 'local' ? 'select3-icon-filter' : 'select3-icon-search') +'" id="'+ id +'__select3-search-btn"></span>'
+'</div>'
+'<div class="select3-items-box" id="'+ id +'__select3-items-box">'
+'</div>'
+ (setting.mode == 'remote' ? pagination : '')
+'<!--信息提示区-->'
+'<div class="select3-remind-box" id="'+ id +'__select3-remind-box" style="display: none;">'
+' 无匹配的选项！'
+'</div>'
+'</div>');
//注册鼠标在组件外单击，隐藏组件下拉框
$(document).on("click", function(e){
_hideDropdownPanel(e.target);
});
$("#" + id + "__select3-dropdown-items").click(function(e){
e.stopPropagation();
});
if(!setting.readonly){
$("#" + id + "__select3-selected-bar").click(function(e) {
$("#" + id + "__select3-dropdown-items").toggle();
//阻止事件冒泡
e.stopPropagation();
});
}
//注册单击搜索按钮，触发数据源函数
$("#"+ id + "__select3-search-btn").click(function(e){
e.stopPropagation(); //阻止事件冒泡
_refresh();
});
//注册搜索框按回车，触发数据源函数
$("#"+ id + "__select3-search-input").keyup(function(e){
//如果不是回车，则不进行事件处理
e.stopPropagation(); //阻止事件冒泡
if(setting.countdownSearch){
if(setting.debug){
console.log(new Date().getTime() + ":new Date().getTime() - lastKeydownTimestamp < setting.countdownTime:" + new Date().getTime() - lastKeydownTimestamp < setting.countdownTime);
}
if(new Date().getTime() - lastKeydownTimestamp < setting.countdownTime){
if(timeoutId > 0){
if(setting.debug){
console.log(new Date().getTime() + ":撤销倒计时");
}
clearTimeout(timeoutId);
}
}
if(setting.debug){
console.log(new Date().getTime() + ":setting.countdownTime:" + setting.countdownTime);
}
timeoutId = setTimeout(function(){
_refresh();
}, setting.countdownTime);
lastKeydownTimestamp = new Date().getTime();
}else{
if(13 == event.keyCode){
var remindBox = $("#"+ id +"__select3-remind-box");
remindBox.html('请单击右侧搜索按钮进行操作！');
remindBox.show();
}
}
});
$("#"+ id +"__select3-refresh-btn").click(function(e){
e.stopPropagation(); //阻止事件冒泡
self.data('selected-finish', false);
_hideDropdownPanel();
_cleanSelecteds();
_showPlaceholder();
var remindBox = $("#"+ id +"__remind-box");
remindBox.html('');
remindBox.hide();
if(setting.mode == 'remote'){
_setDataSource({
pageNo:0,
pageNum:0,
total:0
});
}
});
//如果是远程模式则注册事件
if(setting.mode == 'remote'){
$("#"+ id +"__pagination .select3-icon-chevron-left").click(function(e){
e.stopPropagation(); //阻止事件冒泡
var _prePageNo = _getPrePageNo();
if(_prePageNo == pageNo){
return;
}
var keyword = $("#"+ id + "__select3-search-input").val();
_remoteSearch(keyword, _prePageNo);
});
$("#"+ id +"__pagination .select3-icon-skip-previous").click(function(e){
e.stopPropagation(); //阻止事件冒泡
var keyword = $("#"+ id + "__select3-search-input").val();
_remoteSearch(keyword, 1);
});
$("#"+ id +"__pagination .select3-icon-chevron-right").click(function(e){
e.stopPropagation(); //阻止事件冒泡
var _nextPageNo = _getNextPageNo();
if(_nextPageNo == pageNo){
return;
}
var keyword = $("#"+ id + "__select3-search-input").val();
_remoteSearch(keyword, _getNextPageNo());
});
$("#"+ id +"__pagination .select3-icon-skip-next").click(function(e){
e.stopPropagation(); //阻止事件冒泡
var _lastPageNo = _getLastPageNo();
if(_lastPageNo == pageNo){
return;
}
var keyword = $("#"+ id + "__select3-search-input").val();
_remoteSearch(keyword, _lastPageNo);
});
}
//通过反查函数返回节点数据
var dataSource = funcDecode(instance, selectedValue);
if(dataSource){
_setSelectedValue(selectedValue, dataSource);
}
}
/**
* 获取最后一页页码
*/
function _getLastPageNo(){
var _pageNo = self.data("pageNo");
var _total = self.data("total");
if(_total == 0){
_pageNo = 0;
}else if(Math.floor((total + pageSize -1 ) / pageSize) > pageNo){
_pageNo = Math.floor((total + pageSize -1 ) / pageSize);
}
return _pageNo;
}
/**
* 获取前一页的页码
*/
function _getPrePageNo(){
var _pageNo = self.data("pageNo");
_pageNo = Math.max(_pageNo > 0 ? _pageNo -1: 1, 1);
return _pageNo;
}
/**
* 获取下一页的页码
*/
function _getNextPageNo(){
var _pageNo = Math.min(pageNo + 1, _getLastPageNo());
return _pageNo;
}
/**
* 获取当前页页码
*/
function _getPageNo(){
var _lastPageNo = _getLastPageNo();
if(pageNo< _lastPageNo){
return pageNo;
}else{
return _lastPageNo;
}
}
/**
* 设置总共页数
* @param {Object} _pageNum 页数
*/
function _setPageNum(_pageNum){
if(!_pageNum == undefined || _pageNum == null){
return;
}
$("#"+ id +"__pagination-pageNum").html(_pageNum);
pageNum = _pageNum;
self.data('pageNum', _pageNum);
}
/**
* 设置当前页页码
* @param {Object} _pageNo
*/
function _setPageNo(_pageNo){
if(!_pageNo == undefined || _pageNo == null){
return;
}
$("#"+ id +"__pagination-pageNo").html(_pageNo);
pageNo = _pageNo;
self.data('pageNo', pageNo);
}
function _setTotal(_total){
if(_total == undefined || _total == null){
return;
}
total = _total;
self.data('total', total);
}
/**
* 设置数据源
* @param {Object} data 数据JSON对象格式或者字符串格式
*/
function _setDataSource(data){
if(data == undefined || data == null){
data = {};
}
if(typeof(data) == 'string') {
data = JSON.parse(data);
}
_cleanOptions();
_setTotal(data['total']);
_setPageNo(data['pageNo']);
_setPageNum(data['pageNum'])
if(data.nodes && data.nodes.length > 0){
var dom = _renderUI(data);
dom.appendTo($("#"+ id +"__select3-items-box"));
var ops = _doOptions(data.nodes, null);
self.data("dataSource", data);
self.data("options", JSON.stringify(ops));
if(setting.mode == 'remote'){//如果是远程模式，且有结果返回时
//有匹配的结果，隐藏提示信息
var remindBox = $("#"+ id +"__select3-remind-box");
remindBox.html('');
remindBox.hide();
}
}else{
self.data("dataSource", data);
self.data("options", JSON.stringify([]));
if(setting.mode == 'remote'){//如果是远程模式，且没有结果返回时
//没有匹配的结果，显示提示信息
var remindBox = $("#"+ id +"__select3-remind-box");
remindBox.html('换个关键字试试！');
remindBox.show();
}
pageNo = 0;
}
_bindEvent();
}
/**
* 获取对象格式的数据源JSON
*/
function _getDataSource(){
var json = self.data("dataSource");
if(typeof(json) == 'string') {
json = JSON.parse(json);
}
return json;
}
/**
* 设置选中的选项
* @param {Object} selectedValueString 选中值字符串形式或者数组
* @param {Object} dataSource 选中时使用的数据源
*/
function _setSelectedValue(selectedValueString, dataSource){
//如果提供数据源，说明为第一次选中默认值的情况
if(dataSource){
_setDataSource(dataSource);
}
if(!selectedValueString){
selectedValueString = selectedValue;
if(typeof(selectedValueString) == 'string') {
selectedValueString = selectedValueString.split(",");
}else if(typeof(selectedValueString) == 'number'){
selectedValueString = [selectedValueString];
}
}else{
if(typeof(selectedValueString) == 'string') {
selectedValueString = selectedValueString.split(",");
}else if(typeof(selectedValueString) == 'number'){
selectedValueString = [selectedValueString];
}
selectedValue = selectedValueString;
}
var selects = [];
for (var index in selectedValueString) {
var value = selectedValueString[index];
if($.inArray(value, selects)==-1){//不允许重复
selects.push(value);//没有重复的时候，直接加入
}else{
if(setting.duplicate){//如果允许重复
selects.push(value);
}
}
}
var options = _getOptions();
for (var i = 0; i < options.length; i++) {
var option = options[i]
//检查选线是否在需要设置的选项值
if($.inArray(option['value'], selects)> -1){
//如果允许重复，则需要按照选中值进行遍历
if(setting.duplicate){
for(var index in selects){
var val = selects[index];
if(option['value'] == val){
var nodes = $("#"+ id + "__select3-dropdown-items").find('.select3-option[data-value="'+ val +'"]');
if(nodes.length <= 0){
throw "无效编码" + val;
}
_select($(node[0]));
}
}
}else{//不允许重复的多选
var val = option['value'];
var nodes = $("#"+ id + "__select3-dropdown-items").find('.select3-option[data-value="'+ val +'"]');
if(nodes.length <= 0){
throw "无效编码" + val;
}
_select($(nodes[0]));
}
}
}
self.data("selected-value", selects);
if(setting.multiple){
if(setting.duplicate){//如果可以重复选择，不处理
}else{//不是重复选择，则需要将当前选中节点处理为不可选
for (var index in selectedValueString) {
var val = selectedValueString[index];
$("#"+ id + "__select3-dropdown-items").find('.select3-option[data-value="'+ val +'"]').attr('disabled', 'disabled');
}
}
}else{
//如果为单选将所有选项设置为禁用
self.find('.select3-option').attr('disabled', 'disabled');
}
}
/**
* 获取已选择的编码值数组
*/
function _getSelectedValue(){
if(setting.multiple){
var values = [];
self.find(".select3-selected-item").each(function(index, item) {
values.push($(item).data("value"));
});
if(setting.debug){
console.log(new Date().getTime() + ":_getSelectedValue() values:" + JSON.stringify(values));
}
return values;
}else{
var value = null;
var selects = self.find(".select3-selected-item");
if(selects.length > 0){
value = $(selects[0]).data("value");
}
if(setting.debug){
console.log(new Date().getTime() + ":_getSelectedValue() value:" + value);
}
return value;
}
}
/**
* 获取已选择的文字数组
*/
function _getSelectedText(){
if(setting.multiple){
var selectedText = [];
self.find(".select3-selected-item").each(function(index, item) {
selectedText.push($(item).data("text"));
});
if(setting.debug){
console.log(new Date().getTime() + ":_getSelectedText() texts:" + val);
}
return selectedText;
}else{
var text = null;
var selects = self.find(".select3-selected-item");
if(selects.length > 0){
text = $(selects[0]).data("text");
}
if(setting.debug){
console.log(new Date().getTime() + ":_getSelectedText() text:" + text);
}
return text;
}
}
/**
* 清空备选选项
*/
function _cleanOptions(){
$("#"+ id +"__select3-items-box").empty();
self.data("dataSource", '{}');
}
/**
* 清空已选选项
*/
function _cleanSelecteds(){
self.find(".select3-selected-icon").each(function(index, item) {
var selectedItem = $(item).parent(".select3-selected-item");
//对于隐藏的备选项进行恢复为可选
var selectItems = $("#"+ id +"__select3-items-box .select3-option[data-value="+selectedItem.data('value')+"]");
selectItems.removeAttr('disabled');
selectItems.show();
selectedItem.remove();
});
self.find("#"+id+"__selected-inputs").empty();
self.data('selected-finish', false);
_showPlaceholder();
}
/**
* 处理数据源中的节点数据为选项数组
* @param {Object} nodes 数据源节点
* @param {Object} options 选项数组
*/
function _doOptions(nodes, options) {
if(!options) {
options = [];
}
for(var index in nodes) {
var node = nodes[index];
var option = {};
option['value'] = node.value;
option['text'] = node.text;
options.push(option);
if(node.nodes) {
_doOptions(node.nodes, options);
}
}
return options;
}
function _getOptions(){
var json = self.data("options");
if(!json){
return [];
}
if(typeof(json) == 'string') {
json = JSON.parse(json);
}
return json;
}
select3.prototype = {
constructor: select3,
/**
* 选中给定代码值和文本的选项
* @param {Object} value 代码值
* @param {Object} text 文本
*/
select: function(value, text){
var nodes = $("#"+ id + "__select3-dropdown-items").find('.select3-option[data-value="'+ value +'"]');
if(nodes.length <= 0){
throw "无效编码值" + value;
}
return _select($(nodes[0]));
},
/**
* 绘制组件
*/
draw: function(){
_draw();
return this;
},
/**
* 在一个给定的组件ID以JSON对象设置数据源
* @param {Object} data 形如{nodes:[{text:'测试项1', value:123},{text:'测试项2', value:456}], pageSize:20, pageNo:1, total:20}
*/
setDataSource: function(data) {
_setDataSource(data);
return this;
},
/**
* 获取数据源，返回得是一个JSON对象
*/
getDataSource: function() {
return _getDataSource();
},
/**
* 在一个给定的组件ID设置选中的值，设置值可为整数，字符串，整数数组或字符串数组
* @param {Object} value 选中的编码值，例如123或者123,234,345
* @param {Object} dataSource 选中项使用的数据源，用于在加载第一次时选中默认值
*/
setSelectedValue: function(data, dataSource) {
_setSelectedValue(data, dataSource);
return this;
},
/**
* 在一个给定的组件ID获取选中的值，返回结果为选中的编码值数组
*/
getSelectedValue: function() {
var val = _getSelectedValue();
if(setting.debug){
console.log(new Date().getTime() + ":getSelectedValue() val:" + JSON.stringify(val));
}
return val;
},
/**
* 在一个给定的组件ID获取选中的展示值，返回结果为选中的展示值数组
*/
getSelectedText: function() {
var text = _getSelectedText();
if(setting.debug){
console.log(new Date().getTime() + ":getSelectedText() val:" + JSON.stringify(text));
}
return text;
},
/**
* 清除已选择的选项
*/
cleanSelecteds: function(){
_cleanSelecteds();
return this;
},
/**
* 获取选项数组
*/
getOptions: function() {
return _getOptions();
},
/**
* 清除备选项
*/
cleanOptions: function() {
_cleanOptions();
return this;
}
};
var instance = new select3(_funcShowMessage,
_funcDataSource,
_funcClick,
_funcHover,
_funcMouseOut,
_setting);
var drawed = self.data('drawed');
if(!drawed){
//绘制组件
instance.draw();
self.data('drawed', true);
}
return instance;
};
})(jQuery, window);
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