ConLite/conlite/scripts/expandCollapse.js

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3 KiB
JavaScript

var bMsie = (document.all) ? true : false;
var sExpandString = '';
var sCollapseString = '';
var sCollapseButton = './images/close_all.gif';
var sExpandButton = './images/open_all.gif';
function init(transOpen, transClose) {
sCollapseString = transClose;
sExpandString = transOpen;
var aStatrows = document.getElementsByTagName('tr');
var sDisplay = '';
if (bMsie) {
sDisplay = 'block';
} else {
sDisplay = 'table-row';
}
var preButton = null;
var preAIds = null;
var level = 1;
for (var i = 0; i < aStatrows.length; i++) {
if (aStatrows[i].id) {
aStatrows[i].style.display = sDisplay;
var oButton = aStatrows[i].getElementsByTagName('img')[1];
var aIds = aStatrows[i].id.split('_');
if (oButton && oButton.id == aStatrows[i].id+'_img') {
if (aIds.length > level ) {
preButton.src = sCollapseButton;
preButton.title = sCollapseString;
preButton.alt = sCollapseString;
preButton.parentNode.href = 'javascript:changeVisibility(\''+aStatrows[(i-1)].id+'\', '+(preAIds.length-1)+', '+aIds[preAIds.length-1]+');';
}
preButton = oButton;
preAIds = aIds;
level = aIds.length;
}
}
}
}
function changeVisibility (sIdClicked, iLevel, iIdCat) {
var sDisplay = '';
var aIdsClicked = sIdClicked.split('_');
var oButton = document.getElementById (sIdClicked+'_img');
if (oButton.src.match(/open_all.gif/)) {
oButton.src = sCollapseButton;
oButton.title = sCollapseString;
oButton.alt = sCollapseString;
if (bMsie) {
sDisplay = 'block';
} else {
sDisplay = 'table-row';
}
} else {
oButton.src = sExpandButton;
oButton.title = sExpandString;
oButton.alt = sExpandString;
sDisplay = 'none';
}
var preButton = null;
var level = iLevel;
var aStatrows = document.getElementsByTagName('tr');
for (var i = 0; i < aStatrows.length; i++) {
var aIds = aStatrows[i].id.split('_');
if (aIds[iLevel] == iIdCat) {
if (sDisplay == 'none' && aIds.length > aIdsClicked.length) {
aStatrows[i].style.display = sDisplay;
var oButton = aStatrows[i].getElementsByTagName('img')[1];
if (oButton && oButton.id == aStatrows[i].id+'_img') {
if (aIds.length > level && preButton) {
preButton.src = sExpandButton;
preButton.title = sExpandString;
preButton.alt = sExpandString;
}
preButton = oButton;
level = aIds.length;
}
} else if ((aIdsClicked.length+1) == aIds.length) {
aStatrows[i].style.display = sDisplay;
}
}
}
}