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static.scripts.common.majorSelect.js Maven / Gradle / Ivy
/*******************************************************
* 学生类别和部门,专业,方向的三级级联下拉框
* 用法:
* //准备学生类别{id,name}
* var levelArray = new Array();
* //准备部门{id,name}
* var departArray = new Array();
* var dd = new Major3Select("levelOfMajor","department","major","direction",false,true,true,true);
* dd.init(levelArray,departArray);
*
*******************************************************/
dwr.engine.setAsync(false);
// 缺省值
var defaultValues=new Object();
// 页面上所有的三级级联选择
var selects= new Array();
// 当前操作影响的选择
var mySelects=new Array();
// 当前的三级级联选择
var projectMajor3Select=null;
function addTitle(selectId) {
jQuery('option' ,jQuery('#' + selectId)).each(function(index, option) {
jQuery(option).attr('title', jQuery(option).html());
});
}
// 初始化项目选择框
function initProjectSelect(projects) {
if(0 == jQuery('#' + this.projectSelectId).length) {
return;
}
defaultValues[this.projectSelectId] = jQuery('#' + this.projectSelectId).val();
dwr.util.removeAllOptions(this.projectSelectId);
dwr.util.addOptions(this.projectSelectId,[{'id':'','name':'...'}],'id','name');
dwr.util.addOptions(this.projectSelectId, projects,'id','name');
setSelected(jQuery('#' + this.projectSelectId), defaultValues[this.projectSelectId]);
jQuery('#' + this.projectSelectId).change(function(event) {
notifyProjectChange(event);
});
notifyProjectChange_2(this);
if(0 != jQuery('#' + this.levelSelectId).length && 0 != jQuery('#' + this.departSelectId).length) {
jQuery('#' + this.levelSelectId).change(function(event) {
notifyMajorChange(event);
notifyDirectionChange(event);
});
jQuery('#' + this.departSelectId).change(function(event) {
notifyMajorChange(event);
notifyDirectionChange(event);
});
}
}
// 初始化培养层次选择框
function notifyProjectChange(event) {
var target = event.target;
mySelects = getMySelects(target.id);
notifyProjectChange_2(mySelects[0]);
}
// 初始化培养层次和部门选择框
function notifyProjectChange_2(curSelect) {
if (0 == jQuery('#' + curSelect.levelSelectId).length) {
return;
}
defaultValues[curSelect.levelSelectId] = jQuery('#' + curSelect.levelSelectId).val();
dwr.util.removeAllOptions(curSelect.levelSelectId);
if(curSelect.levelNullable) {
dwr.util.addOptions(curSelect.levelSelectId, [{'id':'','name':'...'}],'id','name');
}
if (0 != jQuery('#' + curSelect.departSelectId).length) {
defaultValues[curSelect.departSelectId] = jQuery('#' + curSelect.departSelectId).val();
dwr.util.removeAllOptions(curSelect.departSelectId);
if(curSelect.departNullable){
dwr.util.addOptions(curSelect.departSelectId,[{'id':'','name':'...'}],'id','name');
}
}
var pselect= jQuery('#' + curSelect.projectSelectId);
if (pselect.val() != "") {
projectMajor3Select = curSelect;
projectMajorDwr.levelAndDeparts(pselect.val(),projectMajor3Select.resourceName,setEducationAndDepartOptions);
}
}
// 设置培养层次和部门
function setEducationAndDepartOptions(datas){
data = datas[0];
for (var i = 0; i < data.length; i++) {
dwr.util.addOptions(projectMajor3Select.levelSelectId,[{'id':data[i][0],'name':data[i][1]}],'id','name');
}
if (defaultValues[projectMajor3Select.levelSelectId] != null) {
setSelected(jQuery('#' + projectMajor3Select.levelSelectId), defaultValues[projectMajor3Select.levelSelectId]);
}
data = datas[1];
for (var i = 0; i < data.length; i++) {
dwr.util.addOptions(projectMajor3Select.departSelectId,[{'id':data[i][0],'name':data[i][1]}],'id','name');
}
if (defaultValues[projectMajor3Select.departSelectId] != null) {
setSelected(jQuery('#' + projectMajor3Select.departSelectId), defaultValues[projectMajor3Select.departSelectId]);
}
}
// 初始化专业选择框
function initMajorSelect() {
if(0 == jQuery('#' + this.majorSelectId).length) {
return;
}
defaultValues[this.majorSelectId] = jQuery('#' + this.majorSelectId).val();
dwr.util.removeAllOptions(this.majorSelectId);
jQuery('#' + this.majorSelectId).change(function(event) {
notifyDirectionChange(event);
});
var spanVal= jQuery('#' + this.levelSelectId).val();
var departmentVal = jQuery('#' + this.departSelectId).val();
var projectVal = jQuery('#' + this.projectSelectId).val();
if(this.majorNullable) {
dwr.util.addOptions(this.majorSelectId,[{'id':'','name':'...'}],'id','name');
}
projectMajor3Select = this;
projectMajorDwr.majors(projectVal, spanVal,departmentVal,setMajorOptions);
}
// 初始化专业方向选择框
function initDirectionSelect() {
if(0 == jQuery('#' + this.directionSelectId).length) {
return;
}
defaultValues[this.directionSelectId] = jQuery('#' + this.directionSelectId).val();
dwr.util.removeAllOptions(this.directionSelectId);
var majorVal = jQuery('#' + this.majorSelectId).val();
var levelVal = jQuery('#' + this.levelSelectId).val();
var departVal = jQuery('#' + this.departSelectId).val();
if(this.directionNullable) {
dwr.util.addOptions(this.directionSelectId,[{'id':'','name':'...'}],'id','name');
}
if(majorVal != "") {
projectMajor3Select = this;
projectMajorDwr.directions(levelVal,departVal,majorVal,setDirectionOptions);
}
}
// 通知专业变化,填充专业选择列表
function notifyMajorChange(event) {
var target = event.target;
mySelects= getMySelects(target.id);
for(var i = 0; i < mySelects.length; i++) {
var edu = jQuery('#' + mySelects[i].levelSelectId);
var dep = jQuery('#' + mySelects[i].departSelectId);
var pro = jQuery('#' + mySelects[i].projectSelectId);
if(0 == edu.length || 0 == dep.length) {
continue;
}
dwr.util.removeAllOptions(mySelects[i].majorSelectId);
if(mySelects[i].majorNullable){
dwr.util.addOptions(mySelects[i].majorSelectId,[{'id':'','name':'...'}],'id','name');
}
projectMajor3Select = mySelects[i];
projectMajorDwr.majors(pro.val(), edu.val(), dep.val(),setMajorOptions);
}
}
// 通知专业方向变化，填充专业方向列表
function notifyDirectionChange(event) {
var target = event.target;
mySelects = getMySelects(target.id);
for(var i = 0; i < mySelects.length; i++) {
//alert("removeAllOptions of :"+mySelects[i].directionSelectId);
if(null == mySelects[i].directionSelectId){
continue;
}
dwr.util.removeAllOptions(mySelects[i].directionSelectId);
if (mySelects[i].directionNullable) {
dwr.util.addOptions(mySelects[i].directionSelectId, [{'id':'','name':'...'}],'id','name');
}
var levelVal = jQuery('#' + mySelects[i].levelSelectId).val();
var departVal = jQuery('#' + mySelects[i].departSelectId).val();
var majorVal = jQuery('#' + mySelects[i].majorSelectId).val();
if(majorVal != "") {
projectMajor3Select = mySelects[i];
projectMajorDwr.directions(levelVal,departVal,majorVal,setDirectionOptions);
}
}
}
function setMajorOptions(data) {
var displayCode = projectMajor3Select.displayCode;
var name='';
for(var i = 0; i < data.length; i++) {
if(displayCode)name=data[i][1]+' '+data[i][2];
else name= data[i][2];
dwr.util.addOptions(projectMajor3Select.majorSelectId,[{'id':data[i][0],'name':name}],'id','name');
}
if(defaultValues[projectMajor3Select.majorSelectId] != null){
setSelected(jQuery('#' + projectMajor3Select.majorSelectId), defaultValues[projectMajor3Select.majorSelectId]);
}
addTitle(projectMajor3Select.majorSelectId);
}
function setDirectionOptions(data) {
var displayCode = projectMajor3Select.displayCode;
var name='';
for(var i = 0; i < data.length; i++) {
if(displayCode)name=data[i][1]+' '+data[i][2];
else name= data[i][2];
dwr.util.addOptions(projectMajor3Select.directionSelectId,[{'id':data[i][0],'name':name}],'id','name');
}
if(defaultValues[projectMajor3Select.directionSelectId] != null) {
setSelected(jQuery('#' + projectMajor3Select.directionSelectId), defaultValues[projectMajor3Select.directionSelectId]);
}
addTitle(projectMajor3Select.directionSelectId);
}
function setSelected(obj, value) {
jQuery('option', obj).each(function(index, option) {
if(jQuery(option).val() == value) {
jQuery(option).prop('selected', true);
} else {
jQuery(option).prop('selected',false);
}
});
}
/**
* 三级级联选择的模型
*@param levelSelectId 学生类别下拉框的id
*@param departSelectId 部门下拉框id
*@param majorSelectId 专业下拉框id
*@param directionSelectId 方向下拉框id
*@param levelNullable 培养类型是允许为空
*@param departNullable 部门是否允许为空
*@param majorNullable 专业是否允许为空
*@param directionNullable 专业方向是否为空
*/
function Major3Select(projectSelectId,levelSelectId,departSelectId,majorSelectId,directionSelectId,levelNullable,departNullable,majorNullable,directionNullable){
// alert(levelSelectId+":"+departSelectId+":"+majorSelectId+":"+directionSelectId);
this.projectSelectId = projectSelectId;
this.levelSelectId = levelSelectId;
this.departSelectId = departSelectId;
this.majorSelectId = majorSelectId;
this.directionSelectId = directionSelectId;
this.levelNullable = levelNullable;
this.departNullable = departNullable;
this.majorNullable = majorNullable;
this.directionNullable = directionNullable;
this.initProjectSelect = initProjectSelect;
this.initMajorSelect = initMajorSelect;
this.initDirectionSelect = initDirectionSelect;
this.init = init;
this.displayCode=true;
selects[selects.length] = this;
}
function init(projects, resourceName) {
projectMajor3Select = this;
this.resourceName = resourceName;
this.initProjectSelect(projects);
this.initMajorSelect();
this.initDirectionSelect();
}
function getMySelects(id){
var mySelects = new Array();
for(var i=0;i
