FieldPrompt_wev8.js
2.72 KB
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//获取相应的字段元素
function getFieldElement(fieldInfo){
var fieldid = fieldInfo["id"];
var fieldhtmltype = fieldInfo["fieldhtmltype"];
if(fieldhtmltype == "1"){ //单行文本框
return document.getElementById("field" + fieldid);
}else if(fieldhtmltype == "2"){ //多行文本框
return null; //暂觉得多行文本框做唯一性校验也没意思，如需要，可修改此处代码
}else if(fieldhtmltype == "3"){ //浏览按钮
return document.getElementById("field" + fieldid);
}else if(fieldhtmltype == "4"){ //Check框
return null; //Check框做唯一性验证没有意义，因为只有两个值
}else if(fieldhtmltype == "5"){ //选择框
return document.getElementById("field" + fieldid);
}else if(fieldhtmltype == "6"){ //附件上传
return null;
}else if(fieldhtmltype == "7"){ //特殊字段
return null;
}
}
//获取相应的字段元素的值 (可扩展为按照类型增加额外代码进行处理)
function getFieldValue(fieldInfo){
var fieldElement = getFieldElement(fieldInfo);
if(!fieldElement){
return null;
}
return fieldElement.value;
}
function fieldIsChanged(fieldElement){
var isChanged = false;
var type = fieldElement.type;
if (type == "text" || type == "hidden" || type == "textarea" || type == "button")
{
if (fieldElement.value != fieldElement.defaultValue)
{
isChanged = true;
}
}
else if (type == "radio" || type == "checkbox")
{
if (fieldElement.checked != fieldElement.defaultChecked)
{
isChanged = true;
}
}
else if (type == "select-one")
{
var c = false;
var def = 0;
for (var j = 0; j < fieldElement.options.length; j++)
{
var opt = fieldElement.options[j];
c = c || (opt.selected != opt.defaultSelected);
if (opt.defaultSelected) def = j;
}
if (c && !fieldElement.multiple) c = (def != fieldElement.selectedIndex);
if (c){
isChanged = true;
}
}
else
{
//do otherthing
}
return isChanged;
}
function createLoadingTip(){
var $docBody = $(document.body);
var w = document.body.scrollLeft + document.body.clientWidth/2 - 50;
var h = document.body.scrollTop + document.body.clientHeight/2 - 50;
var $loadingTip = $("<div id=\"PromptLoadingTip\" style=\"position: absolute;top: "+h+"px;left: "+w+"px;z-index: 10000;border: 1px solid #e9e9e9; background-color: #fff;padding: 6px 10px 3px 30px; vertical-align:middle; background-image: url('/images/messageimages/loading_wev8.gif');background-repeat: no-repeat;background-position: 10px center;\">数据唯一性验证中，请等待...</div>");
$docBody.append($loadingTip);
}
function dropLoadingTip(){
$("#PromptLoadingTip").remove();
}