665 lines
15 KiB
JavaScript
665 lines
15 KiB
JavaScript
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/*******************************************************************************
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* Copyright (c) 2000, 2004 IBM Corporation and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Common Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/cpl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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* IBM Help modification :
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* 2004/9/21 - Updated by nlp for HPSYS00000131
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* 2004/9/23 - Updated by luyi for HPSYS00000137
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* 2004/9/23 - Updated by luyi for HPSYS00000138
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* 2004/9/23 - Updated by luyi for HPSYS00000142(2004/9/30 replace these codes with codes from canada)
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* 2004/9/23 - Updated by luyi for HPSYS00000154(2004/9/30 replace these codes with codes from canada)
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* 2004/9/24 - Updated by luyi for HPSYS00000151
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* 2004/9/24 - Updated by luyi for HPSYS00000140,155,141
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* 2004/9/24 - Updated by luyi for HPSYS00000139
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* 2004/9/27 - Updated by luyi for new banned bug(up/down arrow cannot move in sub topic)(2004/9/30 replace these codes with codes from canada)
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* 2004/9/30 - Updated by luyi for HPSYS00000142,154 to merge codes from canada
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* 2004/11/3 - Updated by luyi for HPSYS00000214
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* 2004/11/16 - Updated by luyi for HPSYS00000214 modify
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* 2004/11/17 - Updated by Jiang Linquan for HPSYS00000214 add
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*******************************************************************************/
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// Common scripts for IE and Mozilla.
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var isMozilla = navigator.userAgent.indexOf('Mozilla') != -1 && parseInt(navigator.appVersion.substring(0,1)) >= 5;
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var isIE = navigator.userAgent.indexOf('MSIE') != -1;
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var oldActive;
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var oldActiveClass = "";
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// Preload images
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// **********************************************************
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// Note: code moved into the jsp, for dynamic image preferences
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/**
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* Returns the target node of an event
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*/
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function getTarget(e) {
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var target;
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if (isMozilla)
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target = e.target;
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else if (isIE)
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target = window.event.srcElement;
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return target;
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}
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/**
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* Returns the next tree node "down" from current one
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*/
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function getNextDown(node)
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{
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var a = getAnchorNode(node);
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if (!a) return null;
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// Try visible child first
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var li = a.parentNode;
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var ul = getChildNode(li, "UL");
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if (ul && ul.className == "expanded")
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return getDescendantNode(ul, "A");
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// Try next sibling
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var li_sib = getNextSibling(li);
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if (li_sib != null)
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return getDescendantNode(li_sib, "A");
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// Try looking to parent's sibling
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while(li_sib == null) {
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var ul = li.parentNode;
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li = ul.parentNode;
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if (li.tagName != "LI") // reached the top, nothing else to do
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return null;
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li_sib = getNextSibling(li);
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}
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// found the next down sibling
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return getDescendantNode(li_sib, "A");
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}
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/**
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* Returns the next tree node "down" from current one
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*/
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function getNextUp(node)
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{
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var a = getAnchorNode(node);
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if (!a) return null;
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// Get previous sibling first
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var li = a.parentNode;
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var li_sib = getPrevSibling(li);
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if (li_sib != null) {
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// try to get the deepest node that preceeds this current node
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var candidate = getDescendantNode(li_sib, "A");
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var nextDown = getNextDown(candidate);
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while(nextDown != null && nextDown != node){
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candidate = nextDown;
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nextDown = getNextDown(nextDown);
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}
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return getDescendantNode(candidate, "A"); ;
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} else {
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// get the parent
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var li = li.parentNode.parentNode;
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if (li && li.tagName == "LI")
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return getDescendantNode(li, "A");
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else
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return null;
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}
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}
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/**
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* Returns the next sibling element
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*/
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function getNextSibling(node)
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{
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var sib = node.nextSibling;
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//HPSYS00000142
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while (sib && (sib.nodeType == 3 || sib.tagName=="SCRIPT")) // text node
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sib = sib.nextSibling;
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//end HPSYS00000142 code from canada
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return sib;
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}
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/**
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* Returns the next sibling element
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*/
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function getPrevSibling(node)
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{
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var sib = node.previousSibling;
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//HPSYS00000154
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while (sib && (sib.nodeType == 3 || sib.tagName=="SCRIPT")) // text node
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sib = sib.previousSibling;
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//end HPSYS00000154 from canada
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return sib;
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}
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/**
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* Returns the child node with specified tag
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*/
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function getChildNode(parent, childTag)
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{
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var list = parent.childNodes;
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if (list == null) return null;
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for (var i=0; i<list.length; i++)
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if (list.item(i).tagName == childTag)
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return list.item(i);
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return null;
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}
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/**
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* Returns the descendat node with specified tag (depth-first searches)
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*/
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function getDescendantNode(parent, childTag)
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{
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//HPSYS00000151 part 1 of 2
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if (parent == null) return null;
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//end HPSYS00000151 part 1 of 2
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if (parent.tagName == childTag)
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return parent;
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var list = parent.childNodes;
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if (list == null) return null;
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for (var i=0; i<list.length; i++) {
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var child = list.item(i);
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if(child.tagName == childTag)
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return child;
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child = getDescendantNode(child, childTag);
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if (child != null)
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return child;
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}
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return null;
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}
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/**
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* Returns the anchor of this click
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* NOTE: MOZILLA BUG WITH A:focus and A:active styles
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*/
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function getAnchorNode(node) {
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//HPSYS00000151 part 2 of 2
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if (node == null) return null;
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//end HPSYS00000151 part 2 of 2
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if (node.nodeType == 3) //"Node.TEXT_NODE")
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return node.parentNode;
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else if (node.tagName == "A")
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return node;
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else if (node.tagName == "IMG")
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return getChildNode(node.parentNode, "A");
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return null;
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}
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/**
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* Returns the plus/minus icon for this tree node
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*/
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function getPlusMinus(node)
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{
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if (isPlusMinus(node))
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return node;
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else if (node.nodeType == 3) //"Node.TEXT_NODE")
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return getChildNode(node.parentNode.parentNode, "IMG");
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else if (node.tagName == "IMG")
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return getChildNode(node.parentNode.parentNode, "IMG");
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else if (node.tagName == "A")
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return getChildNode(node.parentNode, "IMG");
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return null;
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}
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/**
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* Returns true when the node is the plus or minus icon
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*/
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function isPlusMinus(node)
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{
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return (node.nodeType != 3 && node.tagName == "IMG" && (node.className == "expanded" || node.className == "collapsed"));
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}
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/**
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* Collapses a tree rooted at the specified element
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*/
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function collapse(node) {
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node.className = "collapsed";
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node.src = plus.src;
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node.alt = altTopicClosed;
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// set the UL as well
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var ul = getChildNode(node.parentNode, "UL");
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if (ul != null) ul.className = "collapsed";
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}
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/**
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* Expands a tree rooted at the specified element
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*/
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function expand(node) {
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node.className = "expanded";
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node.src = minus.src;
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node.alt = altTopicOpen;
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// set the UL as well
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var ul = getChildNode(node.parentNode, "UL");
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if (ul != null){
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ul.className = "expanded";
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if (ul.id.length > 0){
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if (!frames.dynLoadFrame) {
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return;
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}
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var ix = window.location.href.indexOf('?');
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if (ix < 0) {
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return;
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}
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var query = window.location.href.substr(ix);
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frames.dynLoadFrame.location = "tocFragment.jsp" + query + "&path=" + ul.id;
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}
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}
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}
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/**
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* Expands the nodes from root to the specified node
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*/
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function expandPathTo(node, inclusive)
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{
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// when the node is a link, get the plus/minus image
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if (node.tagName == "A")
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{
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var img = getChildNode(node.parentNode, "IMG")
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if (img == null) return;
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expandPathTo(img, inclusive);
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return;
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}
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if (inclusive && isCollapsed(node))
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expand(node);
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var li = node.parentNode;
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if (li == null) return;
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var ul = li.parentNode;
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if (ul == null) return;
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li = ul.parentNode;
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if (li == null) return;
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var img = getChildNode(li, "IMG");
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if (img == null) return;
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expandPathTo(img, true);
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}
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/**
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* Returns true when this is an expanded tree node
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*/
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function isExpanded(node) {
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return node.className == "expanded";
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}
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/**
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* Returns true when this is a collapsed tree node
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*/
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function isCollapsed(node) {
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return node.className == "collapsed";
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}
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/**
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* Highlights link
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*/
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function highlightTopic(topic)
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{
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if (isMozilla)
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window.getSelection().removeAllRanges();
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var a = getAnchorNode(topic);
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if (a != null)
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{
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parent.parent.parent.setContentToolbarTitle(tocTitle);
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if (oldActive)
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oldActive.className = oldActiveClass;
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oldActive = a;
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oldActiveClass = a.className;
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a.className = "active";
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// it looks like the onclick event is not handled in mozilla
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// *** TO DO: handle failed synchronization, do not select in that case
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if (isMozilla && a.onclick)
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a.onclick()
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//if (isIE)
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// a.hideFocus = "true";
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}
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}
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/**
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* Selects a topic in the tree: expand tree and highlight it
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* returns true if success
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*/
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function selectTopic(topic)
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{
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if (!topic)
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return false;
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// remove the query, if any
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var i = topic.indexOf('?');
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if (i != -1)
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topic = topic.substring(0, i);
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var links = document.getElementsByTagName("a");
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//HPSYS00000214
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var j,templink;
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for (var i=0; i<links.length; i++)
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{
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// HPSYS00000214 add
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if (topic == links[i].href)
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{
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expandPathTo(links[i], false);
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highlightTopic(links[i]);
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scrollIntoView(links[i]);
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return true;
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}
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//end of HPSYS00000214 add
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j = links[i].href.indexOf('#');
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if (j != -1){
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templink = links[i].href.substring(0, j);
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}
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else
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templink = links[i].href;
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if (topic == templink)
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{
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expandPathTo(links[i], false);
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highlightTopic(links[i]);
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scrollIntoView(links[i]);
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return true;
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}
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}
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//end HPSYS00000214
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return false;
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}
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/**
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* Selects a topic in the tree: expand tree and highlight it
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* returns true if success
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*/
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function selectTopicById(id)
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{
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var topic = document.getElementById(id);
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if (topic)
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{
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expandPathTo(topic, false);
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highlightTopic(topic);
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scrollIntoView(topic);
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return true;
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}
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return false;
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}
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/**
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|
|
* Scrolls the page to show the specified element
|
||
|
|
*/
|
||
|
|
function scrollIntoView(node)
|
||
|
|
{
|
||
|
|
var scroll = getVerticalScroll(node);
|
||
|
|
if (scroll != 0)
|
||
|
|
window.scrollBy(0, scroll);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Scrolls the page to show the specified element
|
||
|
|
*/
|
||
|
|
function getVerticalScroll(node)
|
||
|
|
{
|
||
|
|
var nodeTop = node.offsetTop;
|
||
|
|
var nodeBottom = nodeTop + node.offsetHeight;
|
||
|
|
var pageTop = 0;
|
||
|
|
var pageBottom = 0;
|
||
|
|
|
||
|
|
if (isIE)
|
||
|
|
{
|
||
|
|
pageTop = document.body.scrollTop;
|
||
|
|
pageBottom = pageTop + document.body.clientHeight;
|
||
|
|
|
||
|
|
}
|
||
|
|
else if (isMozilla)
|
||
|
|
{
|
||
|
|
pageTop = window.pageYOffset;
|
||
|
|
pageBottom = pageTop + window.innerHeight - node.offsetHeight;
|
||
|
|
}
|
||
|
|
|
||
|
|
var scroll = 0;
|
||
|
|
if (nodeTop >= pageTop )
|
||
|
|
{
|
||
|
|
if (nodeBottom <= pageBottom)
|
||
|
|
scroll = 0; // already in view
|
||
|
|
else
|
||
|
|
scroll = nodeBottom - pageBottom;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
scroll = nodeTop - pageTop;
|
||
|
|
}
|
||
|
|
|
||
|
|
return scroll;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Currently called on IE only
|
||
|
|
*/
|
||
|
|
function focusHandler(e)
|
||
|
|
{
|
||
|
|
//HPSYS00000139 part 1 of 2
|
||
|
|
/*if (isMozilla)
|
||
|
|
return;
|
||
|
|
*/
|
||
|
|
//HPSYS00000139 part 1 of 2
|
||
|
|
|
||
|
|
try{
|
||
|
|
if (oldActive){
|
||
|
|
// only focus when the element is visible
|
||
|
|
var scroll = getVerticalScroll(oldActive);
|
||
|
|
if (scroll == 0)
|
||
|
|
oldActive.focus();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
catch(e){}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* display topic label in the status line on mouse over topic
|
||
|
|
*/
|
||
|
|
function mouseMoveHandler(e) {
|
||
|
|
var overNode = getTarget(e);
|
||
|
|
if (!overNode) return;
|
||
|
|
|
||
|
|
overNode = getAnchorNode(overNode);
|
||
|
|
if (overNode == null){
|
||
|
|
window.status = "";
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isMozilla)
|
||
|
|
e.cancelBubble = false;
|
||
|
|
|
||
|
|
if (overNode.title == "") {
|
||
|
|
if (overNode.innerText)
|
||
|
|
overNode.title = overNode.innerText;
|
||
|
|
else if (overNode.text)
|
||
|
|
overNode.title = overNode.text;
|
||
|
|
}
|
||
|
|
window.status = overNode.title;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* handler for expanding / collapsing topic tree
|
||
|
|
*/
|
||
|
|
function mouseClickHandler(e) {
|
||
|
|
|
||
|
|
var clickedNode = getTarget(e);
|
||
|
|
|
||
|
|
if (isPlusMinus(clickedNode) )
|
||
|
|
{
|
||
|
|
if (isCollapsed(clickedNode))
|
||
|
|
expand(clickedNode);
|
||
|
|
else if (isExpanded(clickedNode))
|
||
|
|
collapse(clickedNode);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
var plus_minus = getPlusMinus(clickedNode);
|
||
|
|
if (plus_minus != null)
|
||
|
|
highlightTopic(plus_minus);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isMozilla)
|
||
|
|
e.cancelBubble = true;
|
||
|
|
else if (isIE)
|
||
|
|
window.event.cancelBubble = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* handler for expanding / collapsing topic tree
|
||
|
|
*/
|
||
|
|
function mouseDblClickHandler(e) {
|
||
|
|
|
||
|
|
var clickedNode = getTarget(e);
|
||
|
|
if (!clickedNode) return;
|
||
|
|
|
||
|
|
var plus_minus = getPlusMinus(clickedNode);
|
||
|
|
if (plus_minus != null)
|
||
|
|
{
|
||
|
|
if (isCollapsed(plus_minus))
|
||
|
|
expand(plus_minus);
|
||
|
|
else if (isExpanded(plus_minus))
|
||
|
|
collapse(plus_minus);
|
||
|
|
|
||
|
|
highlightTopic(plus_minus);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isMozilla)
|
||
|
|
e.cancelBubble = true;
|
||
|
|
else if (isIE)
|
||
|
|
window.event.cancelBubble = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Handler for key down (arrows)
|
||
|
|
*/
|
||
|
|
function keyDownHandler(e)
|
||
|
|
{
|
||
|
|
var key;
|
||
|
|
|
||
|
|
if (isIE) {
|
||
|
|
key = window.event.keyCode;
|
||
|
|
} else if (isMozilla) {
|
||
|
|
key = e.keyCode;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (key <37 || key > 40)
|
||
|
|
return true;
|
||
|
|
|
||
|
|
if (isMozilla)
|
||
|
|
e.cancelBubble = true;
|
||
|
|
else if (isIE)
|
||
|
|
window.event.cancelBubble = true;
|
||
|
|
|
||
|
|
if (key == 39) { // Right arrow, expand
|
||
|
|
var clickedNode = getTarget(e);
|
||
|
|
if (!clickedNode) return;
|
||
|
|
//HPSYS00000137 part 1 of 2
|
||
|
|
if (isIE){
|
||
|
|
if(clickedNode.id!=null){
|
||
|
|
if(clickedNode.id.charAt(0)=='b'){
|
||
|
|
if(clickedNode.name!="opened"){
|
||
|
|
loadTOC(clickedNode.name);
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
//end HPSYS00000137 part 1 of 2
|
||
|
|
|
||
|
|
var plus_minus = getPlusMinus(clickedNode);
|
||
|
|
if (plus_minus != null)
|
||
|
|
{
|
||
|
|
if (isCollapsed(plus_minus))
|
||
|
|
expand(plus_minus);
|
||
|
|
|
||
|
|
highlightTopic(plus_minus);
|
||
|
|
scrollIntoView(clickedNode);
|
||
|
|
}
|
||
|
|
} else if (key == 37) { // Left arrow,collapse
|
||
|
|
var clickedNode = getTarget(e);
|
||
|
|
if (!clickedNode) return;
|
||
|
|
//HPSYS00000137 part 2 of 2
|
||
|
|
if(clickedNode.id!=null){
|
||
|
|
if(clickedNode.id.charAt(0)=='b'){
|
||
|
|
if(clickedNode.name=="opened"){
|
||
|
|
loadTOC(" ");
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
//HPSYS00000138
|
||
|
|
else{
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
//end HPSYS00000138
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
//end HPSYS00000137 part 2 of 2
|
||
|
|
|
||
|
|
var plus_minus = getPlusMinus(clickedNode);
|
||
|
|
if (plus_minus != null)
|
||
|
|
{
|
||
|
|
if (isExpanded(plus_minus))
|
||
|
|
collapse(plus_minus);
|
||
|
|
|
||
|
|
highlightTopic(plus_minus);
|
||
|
|
scrollIntoView(clickedNode);
|
||
|
|
}
|
||
|
|
} else if (key == 40 ) { // down arrow
|
||
|
|
var clickedNode = getTarget(e);
|
||
|
|
if (!clickedNode) return;
|
||
|
|
|
||
|
|
var next = getNextDown(clickedNode);
|
||
|
|
if (next)
|
||
|
|
next.focus();
|
||
|
|
|
||
|
|
} else if (key == 38 ) { // up arrow
|
||
|
|
var clickedNode = getTarget(e);
|
||
|
|
if (!clickedNode) return;
|
||
|
|
|
||
|
|
var next = getNextUp(clickedNode);
|
||
|
|
if (next)
|
||
|
|
next.focus();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//HPSYS00000131
|
||
|
|
//return false;
|
||
|
|
return true;
|
||
|
|
//end of HPSYS00000131
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isMozilla) {
|
||
|
|
document.addEventListener('click', mouseClickHandler, true);
|
||
|
|
document.addEventListener('dblclick', mouseDblClickHandler, true);
|
||
|
|
document.addEventListener('mousemove', mouseMoveHandler, true);
|
||
|
|
document.addEventListener('keydown', keyDownHandler, true);
|
||
|
|
}
|
||
|
|
else if (isIE){
|
||
|
|
document.onclick = mouseClickHandler;
|
||
|
|
document.ondblclick = mouseDblClickHandler;
|
||
|
|
document.onmousemove = mouseMoveHandler;
|
||
|
|
document.onkeydown = keyDownHandler;
|
||
|
|
//HPSYS00000139 part 2 of 2
|
||
|
|
//HPSYS00000140,155,141
|
||
|
|
//window.onfocus = focusHandler;
|
||
|
|
//end HPSYS00000140,155,141
|
||
|
|
//end HPSYS00000139 part 2 of 2
|
||
|
|
}
|
||
|
|
|