191 lines
4.9 KiB
JavaScript
191 lines
4.9 KiB
JavaScript
var IMG_EXPANDED = 'Expanded.png';
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var IMG_COLLAPSED = 'Collapsed.png';
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var IMG_BLANK = 'blank.png';
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var IMG_LEAF = 'LeafRowHandle.png';
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new Image(9,9),src = IMG_EXPANDED; // caching
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new Image(9,9),src = IMG_COLLAPSED; // caching
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new Image(9,9),src = IMG_BLANK; // caching
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new Image(9,9),src = IMG_LEAF; // caching
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function hover(iNode, over) {
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if (over) {
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t = document.getElementById(iNode).alt;
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if (t == '*') {
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document.getElementById(iNode).src=IMG_LEAF;
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} else if (t == 'V') {
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document.getElementById(iNode).src=IMG_EXPANDED;
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} else {
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document.getElementById(iNode).src=IMG_COLLAPSED;
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}
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} else {
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document.getElementById(iNode).src=IMG_BLANK;
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}
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}
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function expand(ioNode) {
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ioWedge = "i" + ioNode.substr(1);
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if (document.getElementById && document.getElementById(ioNode) != null) {
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document.getElementById(ioNode).className='expanded';
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if (document.getElementById(ioWedge) != null) {
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document.getElementById(ioWedge).src=IMG_EXPANDED;
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document.getElementById(ioWedge).title='collapse';
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document.getElementById(ioWedge).alt='V';
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}
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}
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}
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function collapse(ioNode) {
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ioWedge = "i" + ioNode.substr(1);
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if (document.getElementById && document.getElementById(ioNode) != null) {
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document.getElementById(ioNode).className='collapsed';
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if (document.getElementById(ioWedge) != null) {
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document.getElementById(ioWedge).src=IMG_COLLAPSED;
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document.getElementById(ioWedge).title='expand';
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document.getElementById(ioWedge).alt='>';
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}
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}
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}
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function ioSwitch(ioNode,fully) {
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if (document.getElementById && document.getElementById(ioNode) != null) {
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nodeState = document.getElementById(ioNode).className;
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}
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if (nodeState == 'collapsed') {
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if (fully) {
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expandAll();
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} else {
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expand(ioNode);
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}
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}
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else {
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if (fully) {
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collapseAll();
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} else {
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collapse(ioNode);
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}
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}
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updateRowBackgroundColors();
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}
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function expandAll() {
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if (document.getElementsByTagName) {
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nodeList = document.getElementsByTagName('div');
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for (var i = 0; i < nodeList.length; i++) {
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if (nodeList.item(i).className == 'expanded' || nodeList.item(i).className == 'collapsed') {
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expand(nodeList.item(i).id);
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}
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}
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}
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else {
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alert ("Sorry, don't know how to make this run in your browser.");
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}
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}
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function collapseAll() {
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if (document.getElementsByTagName) {
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nodeList = document.getElementsByTagName('div');
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for (var i = 0; i < nodeList.length; i++) {
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if (nodeList.item(i).className == 'expanded' || nodeList.item(i).className == 'collapsed') {
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collapse(nodeList.item(i).id);
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}
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}
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}
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else {
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alert ("Sorry, don't know how to make this run in your browser.");
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}
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}
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//
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// alternate background color support
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//
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function hasClass(ele,cls) {
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return ele.className.match(new RegExp('(\\s|^)'+cls+'(\\s|$)'));
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}
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function addClass(ele,cls) {
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if (!this.hasClass(ele,cls)) ele.className += " "+cls;
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}
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function removeClass(ele,cls) {
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if (hasClass(ele,cls)) {
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var reg = new RegExp('(\\s|^)'+cls+'(\\s|$)');
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ele.className=ele.className.replace(reg,' ');
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}
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}
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function isVisible(obj)
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{
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if (obj == document)
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return true;
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if (!obj)
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return false;
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if (!obj.parentNode)
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return false;
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if (obj.style) {
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if (obj.style.display == 'none')
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return false;
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if (obj.style.visibility == 'hidden')
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return false;
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}
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//Try the computed style in a standard way
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if (window.getComputedStyle) {
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var style = window.getComputedStyle(obj, "");
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if (style.display == 'none')
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return false;
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if (style.visibility == 'hidden')
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return false;
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}
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//Or get the computed style using IE's silly proprietary way
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var style = obj.currentStyle
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if (style) {
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if (style['display'] == 'none')
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return false;
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if (style['visibility'] == 'hidden')
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return false;
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}
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return isVisible(obj.parentNode);
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}
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function updateRowBackgroundColors() {
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// do not update row colors unless alternate row colors has been specified.
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if (!hasClass(document.body, 'altRowColors'))
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return;
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var possibleRows = document.getElementsByClassName("row");
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var rowCount = 0;
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for(var i = 0; i < possibleRows.length; i++) {
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var element = possibleRows[i];
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if (isVisible(element)) {
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rowCount++;
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if (rowCount % 2 == 0) {
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addClass(element, 'altRow');
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} else {
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removeClass(element, 'altRow');
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}
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}
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}
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}
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window.onload = updateRowBackgroundColors;
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