org.eclipse.help.webapp/advanced/list.js - platform/eclipse.platform.ua - Git at Google

 /*
  * (c) Copyright IBM Corp. 2000, 2002.
  * All Rights Reserved.
  */

 // Common scripts for IE and Mozilla.

 var isMozilla = navigator.userAgent.indexOf('Mozilla') != -1 && parseInt(navigator.appVersion.substring(0,1)) >= 5;
 var isIE = navigator.userAgent.indexOf('MSIE') != -1;

 // selected node
 var active;
 var oldActive;

 /**
  * Returns the target node of an event
  */
 function getTarget(e) {
 	var target;
   	if (isMozilla)
   		target = e.target;
   	else if (isIE)
    		target = window.event.srcElement;

 	return target;
 }


 /**
  * Returns the row of this click
  */
 function getTRNode(node) {
   if (node.nodeType == 3)  //"Node.TEXT_NODE")
 	return node.parentNode.parentNode.parentNode;
   else if (node.tagName == "A")
   	return node.parentNode.parentNode;
   else if (node.tagName == "TD")
     return node.parentNode;
   else if (node.tagName == "TR")
     return node;
   else if (node.tagName == "IMG")
   	return node.parentNode.parentNode.parentNode;
   else
   	return null;
 }

 /**
  * Returns the anchor node in this row
  */
 function getAnchorNode(tr)
 {
 	var id = tr.id.substring(1);
 	return document.getElementById("a"+id);
 }


 /**
  * Return next item in the list
  */
 function getNextDown(node)
 {
 	var tr = getTRNode(node);
 	if (tr == null) return null;

 	var id = tr.id.substring(1);
 	var next = 1 + eval(id);
 	return document.getElementById("a"+next);
 }

 /**
  * Return previous item in the list
  */
 function getNextUp(node)
 {
 	var tr = getTRNode(node);
 	if (tr == null) return null;

 	var id = tr.id.substring(1);
 	var next = eval(id) - 1;
 	if (next >= 0)
 		return document.getElementById("a"+next);
 	else
 		return null;
 }


 /**
  * Highlights link. Returns true if highlights.
  */
 function highlightTopic(topic)
 {
   	if (!topic || (topic.tagName != "A" && topic.parentNode.tagName != "A"))
 		return false;

   	var tr = getTRNode(topic);
   	if (tr != null)
   	{
   	   	if (oldActive && oldActive != tr) {
     		oldActive.className="list";
     		var oldA = getAnchorNode(oldActive);
     		if (oldA) oldA.className = "";
   	   	}

 		oldActive = tr;
   		tr.className = "active";
   		var a = getAnchorNode(tr);
   		if (a)
   		{
   			a.className = "active";
   			// set toolbar title
   			if (a.onclick)
   				a.onclick();
   			//if (isIE)
   			//	a.hideFocus = "true";
    		}
    		active = a;
    		return true;
   	}
   	return false;
 }

 /**
  * Selects a topic in the tree: expand tree and highlight it
  */
 function selectTopic(topic)
 {
 	if (!topic || topic == "") return;

 	var links = document.getElementsByTagName("a");

 	for (var i=0; i<links.length; i++)
 	{
 		// take into account the extra ?toc=.. or &toc=
 		if (links[i].href.indexOf(topic+"?toc=") == 0 ||
 			links[i].href.indexOf(topic+"&toc=") == 0 ||
 			links[i].href.indexOf(topic+"/?toc=") == 0)
 		{
 			highlightTopic(links[i]);
 			scrollIntoView(links[i]);
 			links[i].scrollIntoView(true);
 			return true;
 		}
 	}
 	return false;
 }

 /**
  * Selects a topic in the list
  */
 function selectTopicById(id)
 {
 	var topic = document.getElementById(id);
 	if (topic)
 	{
 		highlightTopic(topic);
 		scrollIntoView(topic);
 		return true;
 	}
 	return false;
 }


 /**
  * 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)
 {
 	// Use the parent element for getting the offsetTop, as it appears
 	// that tables get their own layout measurements.

 	//var nodeTop = node.offsetTop;
 	var nodeTop = node.parentNode.offsetTop;

 	//var nodeBottom = nodeTop + node.offsetHeight;
 	var nodeBottom = nodeTop + node.parentNode.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/2;
 	}
 	else
 	{
 		scroll = nodeTop - pageTop;
 	}

 	return scroll;
 }

 function hidePopupMenu() {
 	// hide popup if open
 	var menu = document.getElementById("menu");
 	if (!menu)
 		return;
 	if (menu.style.display == "block")
 		menu.style.display = "none";
 }

 function showPopupMenu(e) {
 	// show the menu
 	var x = e.clientX;
 	var y = e.clientY;

 	e.cancelBubble = true;

 	var menu = document.getElementById("menu");
 	if (!menu)
 		return;
 	menu.style.left = x+1;
 	menu.style.top = y+1;
 	menu.style.display = "block";
 }

 /**
  * display topic label in the status line on mouse over topic
  */
 function showStatus(e) {
 	try {
 		var overNode;
 		if (isMozilla)
 			overNode = e.target;
 		else if (isIE)
 			overNode = window.event.srcElement;
 		else
 			return true;

 		overNode = getTRNode(overNode);
 		if (overNode == null) {
 			window.status = "";
 			return true;
 		}

 		if (isMozilla)
 			e.cancelBubble = false;

 		var a = getAnchorNode(overNode);
 		var statusText = "";
 		if (isIE)
 			statusText = a.innerText;
 		else if (isMozilla)
 			statusText = a.lastChild.nodeValue;

 		if (statusText != a.title)
 			statusText += " - " + a.title;

 		window.status = statusText;
 	} catch (e) {
 	}

 	return true;
 }

 function clearStatus() {
 	window.status="";
 }

 /**
  * Popup a menu on right click over a bookmark.
  * This handler assumes the list.js script has been loaded.
  */
 function contextMenuHandler(e)
 {
 	// hide popup if open
 	hidePopupMenu();

 	if (isIE)
 		e = window.event;

   	var clickedNode;
   	if (isMozilla)
   		clickedNode = e.target;
   	else if (isIE)
    		clickedNode = e.srcElement;

   	if (!clickedNode)
   		return true;

   	// call the click handler to select node
   	mouseClickHandler(e);

   	if(clickedNode.tagName == "A")
   		active = clickedNode;
   	else if (clickedNode.parentNode.tagName == "A")
   		active = clickedNode.parentNode;
   	else
   		return true;

 	showPopupMenu(e);

 	return false;
 }

 /**
  * handler for clicking on a node
  */
 function mouseClickHandler(e) {

 	// hide popup if open
 	var menu = document.getElementById("menu");
 	if (menu && menu.style.display == "block")
 		menu.style.display = "none";

   	var clickedNode;
  	if (isMozilla)
   		clickedNode = e.target;
   	else if (isIE)
    		clickedNode = window.event.srcElement;
   	else
   		return true;

   	highlightTopic(clickedNode);
 }


 function focusHandler(e)
 {
 	if (oldActive)
 		oldActive.focus();
 }

 /**
  * 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 == 40 ) { // down arrow
   		var clickedNode = getTarget(e);
   		if (!clickedNode) return;

 		var next = getNextDown(clickedNode);
 		highlightTopic(next);
 		if (next)
 			next.focus();
 		else
 			return true;

   	} else if (key == 38 ) { // up arrow
   		var clickedNode = getTarget(e);
   		if (!clickedNode) return;

 		var next = getNextUp(clickedNode);
 		highlightTopic(next);
 		if (next)
 			next.focus();
 		else
 			return true;
   	} else
   		return true;

   	return false;
 }


 // listen for events
 if (isMozilla) {
   document.addEventListener('click', mouseClickHandler, true);
   document.addEventListener('keydown', keyDownHandler, true);
   //document.addEventListener("focus", focusHandler, true);
 }
 else if (isIE){
   document.onclick = mouseClickHandler;
   document.onkeydown = keyDownHandler;
   window.onfocus = focusHandler;
 }
	/*
	* (c) Copyright IBM Corp. 2000, 2002.
	* All Rights Reserved.
	*/

	// Common scripts for IE and Mozilla.

	var isMozilla = navigator.userAgent.indexOf('Mozilla') != -1 && parseInt(navigator.appVersion.substring(0,1)) >= 5;
	var isIE = navigator.userAgent.indexOf('MSIE') != -1;

	// selected node
	var active;
	var oldActive;

	/**
	* Returns the target node of an event
	*/
	function getTarget(e) {
	var target;
	if (isMozilla)
	target = e.target;
	else if (isIE)
	target = window.event.srcElement;

	return target;
	}


	/**
	* Returns the row of this click
	*/
	function getTRNode(node) {
	if (node.nodeType == 3) //"Node.TEXT_NODE")
	return node.parentNode.parentNode.parentNode;
	else if (node.tagName == "A")
	return node.parentNode.parentNode;
	else if (node.tagName == "TD")
	return node.parentNode;
	else if (node.tagName == "TR")
	return node;
	else if (node.tagName == "IMG")
	return node.parentNode.parentNode.parentNode;
	else
	return null;
	}

	/**
	* Returns the anchor node in this row
	*/
	function getAnchorNode(tr)
	{
	var id = tr.id.substring(1);
	return document.getElementById("a"+id);
	}


	/**
	* Return next item in the list
	*/
	function getNextDown(node)
	{
	var tr = getTRNode(node);
	if (tr == null) return null;

	var id = tr.id.substring(1);
	var next = 1 + eval(id);
	return document.getElementById("a"+next);
	}

	/**
	* Return previous item in the list
	*/
	function getNextUp(node)
	{
	var tr = getTRNode(node);
	if (tr == null) return null;

	var id = tr.id.substring(1);
	var next = eval(id) - 1;
	if (next >= 0)
	return document.getElementById("a"+next);
	else
	return null;
	}


	/**
	* Highlights link. Returns true if highlights.
	*/
	function highlightTopic(topic)
	{
	if (!topic \|\| (topic.tagName != "A" && topic.parentNode.tagName != "A"))
	return false;

	var tr = getTRNode(topic);
	if (tr != null)
	{
	if (oldActive && oldActive != tr) {
	oldActive.className="list";
	var oldA = getAnchorNode(oldActive);
	if (oldA) oldA.className = "";
	}

	oldActive = tr;
	tr.className = "active";
	var a = getAnchorNode(tr);
	if (a)
	{
	a.className = "active";
	// set toolbar title
	if (a.onclick)
	a.onclick();
	//if (isIE)
	// a.hideFocus = "true";
	}
	active = a;
	return true;
	}
	return false;
	}

	/**
	* Selects a topic in the tree: expand tree and highlight it
	*/
	function selectTopic(topic)
	{
	if (!topic \|\| topic == "") return;

	var links = document.getElementsByTagName("a");

	for (var i=0; i<links.length; i++)
	{
	// take into account the extra ?toc=.. or &toc=
	if (links[i].href.indexOf(topic+"?toc=") == 0 \|\|
	links[i].href.indexOf(topic+"&toc=") == 0 \|\|
	links[i].href.indexOf(topic+"/?toc=") == 0)
	{
	highlightTopic(links[i]);
	scrollIntoView(links[i]);
	links[i].scrollIntoView(true);
	return true;
	}
	}
	return false;
	}

	/**
	* Selects a topic in the list
	*/
	function selectTopicById(id)
	{
	var topic = document.getElementById(id);
	if (topic)
	{
	highlightTopic(topic);
	scrollIntoView(topic);
	return true;
	}
	return false;
	}


	/**
	* 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)
	{
	// Use the parent element for getting the offsetTop, as it appears
	// that tables get their own layout measurements.

	//var nodeTop = node.offsetTop;
	var nodeTop = node.parentNode.offsetTop;

	//var nodeBottom = nodeTop + node.offsetHeight;
	var nodeBottom = nodeTop + node.parentNode.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/2;
	}
	else
	{
	scroll = nodeTop - pageTop;
	}

	return scroll;
	}

	function hidePopupMenu() {
	// hide popup if open
	var menu = document.getElementById("menu");
	if (!menu)
	return;
	if (menu.style.display == "block")
	menu.style.display = "none";
	}

	function showPopupMenu(e) {
	// show the menu
	var x = e.clientX;
	var y = e.clientY;

	e.cancelBubble = true;

	var menu = document.getElementById("menu");
	if (!menu)
	return;
	menu.style.left = x+1;
	menu.style.top = y+1;
	menu.style.display = "block";
	}

	/**
	* display topic label in the status line on mouse over topic
	*/
	function showStatus(e) {
	try {
	var overNode;
	if (isMozilla)
	overNode = e.target;
	else if (isIE)
	overNode = window.event.srcElement;
	else
	return true;

	overNode = getTRNode(overNode);
	if (overNode == null) {
	window.status = "";
	return true;
	}

	if (isMozilla)
	e.cancelBubble = false;

	var a = getAnchorNode(overNode);
	var statusText = "";
	if (isIE)
	statusText = a.innerText;
	else if (isMozilla)
	statusText = a.lastChild.nodeValue;

	if (statusText != a.title)
	statusText += " - " + a.title;

	window.status = statusText;
	} catch (e) {
	}

	return true;
	}

	function clearStatus() {
	window.status="";
	}

	/**
	* Popup a menu on right click over a bookmark.
	* This handler assumes the list.js script has been loaded.
	*/
	function contextMenuHandler(e)
	{
	// hide popup if open
	hidePopupMenu();

	if (isIE)
	e = window.event;

	var clickedNode;
	if (isMozilla)
	clickedNode = e.target;
	else if (isIE)
	clickedNode = e.srcElement;

	if (!clickedNode)
	return true;

	// call the click handler to select node
	mouseClickHandler(e);

	if(clickedNode.tagName == "A")
	active = clickedNode;
	else if (clickedNode.parentNode.tagName == "A")
	active = clickedNode.parentNode;
	else
	return true;

	showPopupMenu(e);

	return false;
	}

	/**
	* handler for clicking on a node
	*/
	function mouseClickHandler(e) {

	// hide popup if open
	var menu = document.getElementById("menu");
	if (menu && menu.style.display == "block")
	menu.style.display = "none";

	var clickedNode;
	if (isMozilla)
	clickedNode = e.target;
	else if (isIE)
	clickedNode = window.event.srcElement;
	else
	return true;

	highlightTopic(clickedNode);
	}


	function focusHandler(e)
	{
	if (oldActive)
	oldActive.focus();
	}

	/**
	* 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 == 40 ) { // down arrow
	var clickedNode = getTarget(e);
	if (!clickedNode) return;

	var next = getNextDown(clickedNode);
	highlightTopic(next);
	if (next)
	next.focus();
	else
	return true;

	} else if (key == 38 ) { // up arrow
	var clickedNode = getTarget(e);
	if (!clickedNode) return;

	var next = getNextUp(clickedNode);
	highlightTopic(next);
	if (next)
	next.focus();
	else
	return true;
	} else
	return true;

	return false;
	}


	// listen for events
	if (isMozilla) {
	document.addEventListener('click', mouseClickHandler, true);
	document.addEventListener('keydown', keyDownHandler, true);
	//document.addEventListener("focus", focusHandler, true);
	}
	else if (isIE){
	document.onclick = mouseClickHandler;
	document.onkeydown = keyDownHandler;
	window.onfocus = focusHandler;
	}