/**
* COMMON DHTML FUNCTIONS
* These are handy functions I use all the time.
*
* By Seth Banks (webmaster at subimage dot com)
* http://www.subimage.com/
*
* Up to date code can be found at http://www.subimage.com/dhtml/
*
* This code is free for you to use anywhere, just keep this comment block.
*/
/**//**
* COMMON DHTML FUNCTIONS
* These are handy functions I use all the time.
*
* By Seth Banks (webmaster at subimage dot com)
* http://www.subimage.com/
*
* Up to date code can be found at http://www.subimage.com/dhtml/
*
* This code is free for you to use anywhere, just keep this comment block.
*/
/**//**
* X-browser event handler attachment and detachment
* TH: Switched first true to false per http://www.onlinetools.org/articles/unobtrusivejavascript/chapter4.html
*
* @argument obj - the object to attach event to
* @argument evType - name of the event - DONT ADD "on", pass only "mouseover", etc
* @argument fn - function to call
*/
function addEvent(obj, evType, fn)
{
if (obj.addEventListener){
obj.addEventListener(evType, fn, false);
return true;
} else if (obj.attachEvent){
var r = obj.attachEvent("on"+evType, fn);
return r;
} else {
return false;
}
}
function removeEvent(obj, evType, fn, useCapture){
if (obj.removeEventListener){
obj.removeEventListener(evType, fn, useCapture);
return true;
} else if (obj.detachEvent){
var r = obj.detachEvent("on"+evType, fn);
return r;
} else {
alert("Handler could not be removed");
}
}
/**//**
* Code below taken from - http://www.evolt.org/article/document_body_doctype_switching_and_more/17/30655/
*
* Modified 4/22/04 to work with Opera/Moz (by webmaster at subimage dot com)
*
* Gets the full width/height because it's different for most browsers.
*/
function getViewportHeight() {
if (window.innerHeight!=window.undefined) return window.innerHeight;
if (document.compatMode=='CSS1Compat') return document.documentElement.clientHeight;
if (document.body) return document.body.clientHeight;
return window.undefined;
}
function getViewportWidth() {
var offset = 17;
var width = null;
if (window.innerWidth!=window.undefined) return window.innerWidth;
if (document.compatMode=='CSS1Compat') return document.documentElement.clientWidth;
if (document.body) return document.body.clientWidth;
}
/**//**
* Gets the real scroll top
*/
function getScrollTop() {
if (self.pageYOffset) // all except Explorer
{
return self.pageYOffset;
}
else if (document.documentElement && document.documentElement.scrollTop)
// Explorer 6 Strict
{
return document.documentElement.scrollTop;
}
else if (document.body) // all other Explorers
{
return document.body.scrollTop;
}
}
function getScrollLeft() {
if (self.pageXOffset) // all except Explorer
{
return self.pageXOffset;
}
else if (document.documentElement && document.documentElement.scrollLeft)
// Explorer 6 Strict
{
return document.documentElement.scrollLeft;
}
else if (document.body) // all other Explorers
{
return document.body.scrollLeft;
}
}
/**//**
* SUBMODAL v1.5
* Used for displaying DHTML only popups instead of using buggy modal windows.
*
* By Seth Banks
* http://www.subimage.com/
*
* Contributions by:
* Eric Angel - tab index code
* Scott - hiding/showing selects for IE users
* Todd Huss - inserting modal dynamically and anchor classes
*
* Up to date code can be found at http://www.subimage.com/dhtml/subModal
*
*
* This code is free for you to use anywhere, just keep this comment block.
*/
// Popup code
var gPopupMask = null;
var gPopupContainer = null;
var gPopFrame = null;
var gReturnFunc;
var gPopupIsShown = false;
var gDefaultPage = "/loading.html";
var gHideSelects = false;
var gReturnVal = null;
var gTabIndexes = new Array();
// Pre-defined list of tags we want to disable/enable tabbing into
var gTabbableTags = new Array("A","BUTTON","TEXTAREA","INPUT","IFRAME");
// If using Mozilla or Firefox, use Tab-key trap.
if (!document.all) {
document.onkeypress = keyDownHandler;
}
/**//**
* Initializes popup code on load.
*/
function initPopUp() {
// Add the HTML to the body
theBody = document.getElementsByTagName('BODY')[0];
popmask = document.createElement('div');
popmask.id = 'popupMask';
popcont = document.createElement('div');
popcont.id = 'popupContainer';
popcont.innerHTML = '' +
'<div id="popupInner"><table><tr><td>' +
'<div id="popupTitleBar">' +
'<div id="popupTitle">正在处理，请稍候……</div>' +
'<div id="popupControls">' +
'</div>' +
'</div>' +
'<div id="popupFrame" name="popupFrame"></div></td></tr></table>' +
'</div>';
theBody.appendChild(popmask);
theBody.appendChild(popcont);
gPopupMask = document.getElementById("popupMask");
gPopupContainer = document.getElementById("popupContainer");
gPopFrame = document.getElementById("popupFrame");
// check to see if this is IE version 6 or lower. hide select boxes if so
// maybe they'll fix this in version 7?
var brsVersion = parseInt(window.navigator.appVersion.charAt(0), 10);
if (brsVersion <= 6 && window.navigator.userAgent.indexOf("MSIE") > -1) {
gHideSelects = true;
}
}
$(function(){initPopUp();});
function showPopWin() {
var width=400;var height=200;
gPopupIsShown = true;
disableTabIndexes();
gPopupMask.style.display = "block";
gPopupContainer.style.display = "block";
// calculate where to place the window on screen
centerPopWin(width, height);
var titleBarHeight = parseInt(document.getElementById("popupTitleBar").offsetHeight, 10);
gPopupContainer.style.width = width + "px";
gPopupContainer.style.height = (height+titleBarHeight) + "px";
setMaskSize();
// need to set the width of the iframe to the title bar width because of the dropshadow
// some oddness was occuring and causing the frame to poke outside the border in IE6
gPopFrame.style.width = parseInt(document.getElementById("popupTitleBar").offsetWidth, 10) + "px";
gPopFrame.style.height = (height) + "px";
gReturnFunc = null;
// for IE
if (gHideSelects == true) {
hideSelectBoxes();
}
}
//
var gi = 0;
function centerPopWin(width, height) {
if (gPopupIsShown == true) {
if (width == null || isNaN(width)) {
width = gPopupContainer.offsetWidth;
}
if (height == null) {
height = gPopupContainer.offsetHeight;
}
//var theBody = document.documentElement;
var theBody = document.getElementsByTagName("BODY")[0];
//theBody.style.overflow = "hidden";
var scTop = parseInt(getScrollTop(),10);
var scLeft = parseInt(theBody.scrollLeft,10);
setMaskSize();
//window.status = gPopupMask.style.top + " " + gPopupMask.style.left + " " + gi++;
var titleBarHeight = parseInt(document.getElementById("popupTitleBar").offsetHeight, 10);
var fullHeight = getViewportHeight();
var fullWidth = getViewportWidth();
gPopupContainer.style.top = (scTop + ((fullHeight - (height+titleBarHeight)) / 2)) + "px";
gPopupContainer.style.left = (scLeft + ((fullWidth - width) / 2)) + "px";
//alert(fullWidth + " " + width + " " + gPopupContainer.style.left);
}
}
addEvent(window, "resize", centerPopWin);
addEvent(window, "scroll", centerPopWin);
window.onscroll = centerPopWin;
/**//**
* Sets the size of the popup mask.
*
*/
function setMaskSize() {
var theBody = document.getElementsByTagName("BODY")[0];
var fullHeight = getViewportHeight();
var fullWidth = getViewportWidth();
// Determine what's bigger, scrollHeight or fullHeight / width
if (fullHeight > theBody.scrollHeight) {
popHeight = fullHeight;
} else {
popHeight = theBody.scrollHeight;
}
if (fullWidth > theBody.scrollWidth) {
popWidth = fullWidth;
} else {
popWidth = theBody.scrollWidth;
}
gPopupMask.style.height = popHeight + "px";
gPopupMask.style.width = popWidth + "px";
}
/**//**
* @argument callReturnFunc - bool - determines if we call the return function specified
* @argument returnVal - anything - return value
*/
function hidePopWin() {
gPopupIsShown = false;
var theBody = document.getElementsByTagName("BODY")[0];
theBody.style.overflow = "";
restoreTabIndexes();
if (gPopupMask == null) {
return;
}
gPopupMask.style.display = "none";
gPopupContainer.style.display = "none";
// display all select boxes
if (gHideSelects == true) {
displaySelectBoxes();
}
}
// Tab key trap. iff popup is shown and key was [TAB], suppress it.
// @argument e - event - keyboard event that caused this function to be called.
function keyDownHandler(e) {
if (gPopupIsShown && e.keyCode == 9) return false;
}
// For IE. Go through predefined tags and disable tabbing into them.
function disableTabIndexes() {
if (document.all) {
var i = 0;
for (var j = 0; j < gTabbableTags.length; j++) {
var tagElements = document.getElementsByTagName(gTabbableTags[j]);
for (var k = 0 ; k < tagElements.length; k++) {
gTabIndexes[i] = tagElements[k].tabIndex;
tagElements[k].tabIndex="-1";
i++;
}
}
}
}
// For IE. Restore tab-indexes.
function restoreTabIndexes() {
if (document.all) {
var i = 0;
for (var j = 0; j < gTabbableTags.length; j++) {
var tagElements = document.getElementsByTagName(gTabbableTags[j]);
for (var k = 0 ; k < tagElements.length; k++) {
tagElements[k].tabIndex = gTabIndexes[i];
tagElements[k].tabEnabled = true;
i++;
}
}
}
}
/**//**
* Hides all drop down form select boxes on the screen so they do not appear above the mask layer.
* IE has a problem with wanted select form tags to always be the topmost z-index or layer
*
* Thanks for the code Scott!
*/
function hideSelectBoxes() {
for(var i = 0; i < document.forms.length; i++) {
for(var e = 0; e < document.forms[i].length; e++){
if(document.forms[i].elements[e].tagName == "SELECT") {
document.forms[i].elements[e].style.visibility="hidden";
}
}
}
}
/**//**
* Makes all drop down form select boxes on the screen visible so they do not reappear after the dialog is closed.
* IE has a problem with wanted select form tags to always be the topmost z-index or layer
*/
function displaySelectBoxes() {
for(var i = 0; i < document.forms.length; i++) {
for(var e = 0; e < document.forms[i].length; e++){
if(document.forms[i].elements[e].tagName == "SELECT") {
document.forms[i].elements[e].style.visibility="visible";
}
}
}
}
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