blob: 6686b04184c2fb8a80cfed6738162cc40fb2d9e5 [file] [log] [blame]
// The IDs of all code snippet sets on the same page are stored so that we can keep them in synch when a tab is
// selected.
var allTabSetIds = new Array();
// The IDs of language-specific text (LST) spans are used as dictionary keys so that we can get access to the
// spans and update them when the user changes to a different language tab. The values of the dictionary
// objects are pipe separated language-specific attributes (lang1=value|lang2=value|lang3=value). The language
// ID can be specific (cs, vb, cpp, etc.) or may be a neutral entry (nu) which specifies text common to multiple
// languages. If a language is not present and there is no neutral entry, the span is hidden for all languages
// to which it does not apply.
var allLSTSetIds = new Object();
// Help 1 persistence support. This code must appear inline.
var isHelp1;
var curLoc = document.location + ".";
if(curLoc.indexOf("mk:@MSITStore") == 0)
{
isHelp1 = true;
curLoc = "ms-its:" + curLoc.substring(14, curLoc.length - 1);
document.location.replace(curLoc);
}
else
if(curLoc.indexOf("ms-its:") == 0)
isHelp1 = true;
else
isHelp1 = false;
// The OnLoad method
function OnLoad(defaultLanguage)
{
var defLang;
if(typeof(defaultLanguage) == "undefined" || defaultLanguage == null || defaultLanguage == "")
defLang = "vb";
else
defLang = defaultLanguage;
// This is a hack to fix the URLs for the background images on certain styles. Help Viewer 1.0 doesn't
// mind if you put the relative URL in the styles for fix up later in script. However, Help Viewer 2.0 will
// abort all processing and won't run any startup script if it sees an invalid URL in the style. As such, we
// put a dummy attribute in the style to specify the image filename and use this code to get the URL from the
// Favorites icon and then substitute the background image icons in the URL and set it in each affected style.
// This works in either version of the help viewer.
var iconPath = undefined;
try
{
var linkEnum = document.getElementsByTagName("link");
for(var idx = 0; idx < linkEnum.length; idx++)
{
var link = linkEnum[idx];
if(link.rel.toLowerCase() == "shortcut icon")
iconPath = link.href.toString();
}
}
catch(e) { }
finally { }
if(iconPath)
{
try
{
var styleSheetEnum = document.styleSheets;
for(var idx = 0; idx < styleSheetEnum.length; idx++)
{
var styleSheet = styleSheetEnum[idx];
// Ignore sheets at ms-help URLs
if(styleSheet.href != null && styleSheet.href.substr(0, 8) == "ms-help:")
continue;
// Ignore errors (Help Viewer 2). styleSheet.rules is inaccessible due to security restrictions
// for all style sheets not defined within the page.
try
{
// Get sheet rules
var rules = styleSheet.rules;
if(rules == null)
rules = styleSheet.cssRules;
if(rules != null)
if(rules.length != 0)
for(var ruleNdx = 0; ruleNdx != rules.length; ruleNdx++)
{
var rule = rules.item(ruleNdx);
var selectorText = rule.selectorText.toLowerCase();
// The selector text may show up grouped or individually for these
if(selectorText == ".oh_codesnippetcontainertableftactive, .oh_codesnippetcontainertableft, .oh_codesnippetcontainertableftdisabled" ||
selectorText == ".oh_codesnippetcontainertableftactive" ||
selectorText == ".oh_codesnippetcontainertableft" ||
selectorText == ".oh_codesnippetcontainertableftdisabled")
{
rule.style.backgroundImage = "url(" + iconPath.replace("favicon.ico", "tabLeftBG.gif") + ")";
}
if(selectorText == ".oh_codesnippetcontainertabrightactive, .oh_codesnippetcontainertabright, .oh_codesnippetcontainertabrightdisabled" ||
selectorText == ".oh_codesnippetcontainertabrightactive" ||
selectorText == ".oh_codesnippetcontainertabright" ||
selectorText == ".oh_codesnippetcontainertabrightdisabled")
{
rule.style.backgroundImage = "url(" + iconPath.replace("favicon.ico", "tabRightBG.gif") + ")";
}
if(selectorText == ".oh_footer")
{
rule.style.backgroundImage = "url(" + iconPath.replace("favicon.ico", "footer_slice.gif") + ")";
}
}
}
catch(e) { }
finally { }
}
}
catch(e) { }
finally { }
}
// In MS Help Viewer, the transform the topic is ran through can move the footer. Move it back where it
// belongs if necessary.
try
{
var footer = document.getElementById("OH_footer")
if(footer)
{
var footerParent = document.body;
if(footer.parentElement != footerParent)
{
footer.parentElement.removeChild(footer);
footerParent.appendChild(footer);
}
}
}
catch(e) { }
finally { }
var language = GetLanguageCookie("CodeSnippetContainerLanguage", defLang);
// If LST exists on the page, set the LST to show the user selected programming language
UpdateLST(language);
// If code snippet groups exist, set the current language for them
if(allTabSetIds.length > 0)
{
var i = 0;
while(i < allTabSetIds.length)
{
var tabCount = 1;
// The tab count may vary so find the last one in this set
while(document.getElementById(allTabSetIds[i] + "_tab" + tabCount) != null)
tabCount++;
tabCount--;
// If not grouped, skip it
if(tabCount < 2)
{
// Disable the Copy Code link if in Chrome
if(navigator.userAgent.toLowerCase().indexOf("chrome") != -1)
document.getElementById(allTabSetIds[i] + "_copyCode").style.display = "none";
}
else
SetCurrentLanguage(allTabSetIds[i], language, tabCount);
i++;
}
}
}
// This function executes in the OnLoad event and ChangeTab action on code snippets. The function parameter
// is the user chosen programming language. This function iterates through the "allLSTSetIds" dictionary object
// to update the node value of the LST span tag per the user's chosen programming language.
function UpdateLST(language)
{
for(var lstMember in allLSTSetIds)
{
var devLangSpan = document.getElementById(lstMember);
if(devLangSpan != null)
{
// There may be a carriage return before the LST span in the content so the replace function below
// is used to trim the whitespace at the end of the previous node of the current LST node.
if(devLangSpan.previousSibling != null && devLangSpan.previousSibling.nodeValue != null)
devLangSpan.previousSibling.nodeValue = devLangSpan.previousSibling.nodeValue.replace(/\s+$/, "");
var langs = allLSTSetIds[lstMember].split("|");
var k = 0;
var keyValue;
while(k < langs.length)
{
keyValue = langs[k].split("=");
if(keyValue[0] == language)
{
devLangSpan.innerHTML = keyValue[1];
// Help 1 and MS Help Viewer workaround. Add a space if the following text element starts
// with a space to prevent things running together.
if (devLangSpan.parentNode != null && devLangSpan.parentNode.nextSibling != null) {
if (devLangSpan.parentNode.nextSibling.nodeValue != null &&
!devLangSpan.parentNode.nextSibling.nodeValue.substring(0, 1).match(/[.,);:!/?]/)) {
devLangSpan.innerHTML = keyValue[1] + " ";
}
}
break;
}
k++;
}
// If not found, default to the neutral language. If there is no neutral language entry, clear the
// content to hide it.
if(k >= langs.length)
{
if(language != "nu")
{
k = 0;
while(k < langs.length)
{
keyValue = langs[k].split("=");
if(keyValue[0] == "nu")
{
devLangSpan.innerHTML = keyValue[1];
// Help 1 and MS Help Viewer workaround. Add a space if the following text element
// starts with a space to prevent things running together.
if (devLangSpan.parentNode != null && devLangSpan.parentNode.nextSibling != null) {
if (devLangSpan.parentNode.nextSibling.nodeValue != null &&
!devLangSpan.parentNode.nextSibling.nodeValue.substring(0, 1).match(/[.,);:!/?]/)) {
devLangSpan.innerHTML = keyValue[1] + " ";
}
}
break;
}
k++;
}
}
if(k >= langs.length)
devLangSpan.innerHTML = "";
}
}
}
}
// Get the selected language cookie
function GetLanguageCookie(cookieName, defaultValue)
{
if(isHelp1)
{
try
{
var globals = Help1Globals;
var value = globals.Load(cookieName);
if(value == null)
value = defaultValue;
return value;
}
catch(e)
{
return defaultValue;
}
}
var cookie = document.cookie.split("; ");
for(var i = 0; i < cookie.length; i++)
{
var crumb = cookie[i].split("=");
if(cookieName == crumb[0])
return unescape(crumb[1])
}
return defaultValue;
}
// Set the selected language cookie
function SetLanguageCookie(name, value)
{
if(isHelp1)
{
try
{
var globals = Help1Globals;
globals.Save(name, value);
}
catch(e)
{
}
return;
}
var today = new Date();
today.setTime(today.getTime());
// Set the expiration time to be 60 days from now (in milliseconds)
var expires_date = new Date(today.getTime() + (60 * 1000 * 60 * 60 * 24));
document.cookie = name + "=" + escape(value) + ";expires=" + expires_date.toGMTString() + ";path=/";
}
// Add a language-specific text ID
function AddLanguageSpecificTextSet(lstId)
{
var keyValue = lstId.split("?")
allLSTSetIds[keyValue[0]] = keyValue[1];
}
// Add a language tab set ID
function AddLanguageTabSet(tabSetId)
{
allTabSetIds.push(tabSetId);
}
// Switch the active tab for all of other code snippets
function ChangeTab(tabSetId, language, snippetIdx, snippetCount)
{
SetLanguageCookie("CodeSnippetContainerLanguage", language);
SetActiveTab(tabSetId, snippetIdx, snippetCount);
// If LST exists on the page, set the LST to show the user selected programming language
UpdateLST(language);
var i = 0;
while(i < allTabSetIds.length)
{
// We just care about other snippets
if(allTabSetIds[i] != tabSetId)
{
// Other tab sets may not have the same number of tabs
var tabCount = 1;
while(document.getElementById(allTabSetIds[i] + "_tab" + tabCount) != null)
tabCount++;
tabCount--;
// If not grouped, skip it
if(tabCount > 1)
SetCurrentLanguage(allTabSetIds[i], language, tabCount);
}
i++;
}
}
// Sets the current language in the specified tab set
function SetCurrentLanguage(tabSetId, language, tabCount)
{
var tabIndex = 1;
while(tabIndex <= tabCount)
{
var tabTemp = document.getElementById(tabSetId + "_tab" + tabIndex);
if(tabTemp != null && tabTemp.innerHTML.indexOf("'" + language + "'") != -1)
break;
tabIndex++;
}
if(tabIndex > tabCount)
{
// Select the first non-disabled tab
tabIndex = 1;
if(document.getElementById(tabSetId + "_tab1").className.indexOf("OH_CodeSnippetContainerTabDisabled") != -1)
{
tabIndex++;
while(tabIndex <= tabCount)
{
var tab = document.getElementById(tabSetId + "_tab" + tabIndex);
if(tab.className.indexOf("OH_CodeSnippetContainerTabDisabled") == -1)
{
tab.className = "OH_CodeSnippetContainerTabActiveNotFirst";
document.getElementById(tabSetId + "_code_Div" + j).style.display = "block";
break;
}
tabIndex++;
}
// Disable left most image if first tab is disabled
document.getElementById(tabSetId + "_tabimgleft").className = "OH_CodeSnippetContainerTabLeftDisabled";
}
}
SetActiveTab(tabSetId, tabIndex, tabCount);
// Disable right most image if last tab is disabled
if(document.getElementById(tabSetId + "_tab" + tabCount).className.indexOf("OH_CodeSnippetContainerTabDisabled") != -1)
document.getElementById(tabSetId + "_tabimgright").className = "OH_CodeSnippetContainerTabRightDisabled";
}
// Set the active tab within a tab set
function SetActiveTab(tabSetId, tabIndex, tabCount)
{
var i = 1;
while(i <= tabCount)
{
var tabTemp = document.getElementById(tabSetId + "_tab" + i);
if(tabTemp.className == "OH_CodeSnippetContainerTabActive")
tabTemp.className = "OH_CodeSnippetContainerTabFirst";
else
if(tabTemp.className == "OH_CodeSnippetContainerTabActiveNotFirst")
tabTemp.className = "OH_CodeSnippetContainerTab";
else
if(tabTemp.className.indexOf("OH_CodeSnippetContainerTabDisabled") != -1)
{
tabTemp.firstChild.style.color = "#a8a8a8";
tabTemp.firstChild.style.fontWeight = "normal";
}
var codeTemp = document.getElementById(tabSetId + "_code_Div" + i);
if(codeTemp.style.display != "none")
codeTemp.style.display = "none";
i++;
}
if(document.getElementById(tabSetId + "_tab" + tabIndex).className.indexOf("OH_CodeSnippetContainerTabDisabled") == -1)
{
if(tabIndex == 1)
document.getElementById(tabSetId + "_tab" + tabIndex).className = "OH_CodeSnippetContainerTabActive";
else
document.getElementById(tabSetId + "_tab" + tabIndex).className = "OH_CodeSnippetContainerTabActiveNotFirst";
}
else
{
document.getElementById(tabSetId + "_tab" + tabIndex).firstChild.style.color = "black";
document.getElementById(tabSetId + "_tab" + tabIndex).firstChild.style.fontWeight = "bold";
}
document.getElementById(tabSetId + "_code_Div" + tabIndex).style.display = "block";
// Change the CSS of the first/last image div according the currently selected tab
if(tabIndex == 1 && document.getElementById(tabSetId + "_tab" + tabIndex).className.indexOf("OH_CodeSnippetContainerTabDisabled") == -1)
document.getElementById(tabSetId + "_tabimgleft").className = "OH_CodeSnippetContainerTabLeftActive";
else
if(document.getElementById(tabSetId + "_tabimgleft").className != "OH_CodeSnippetContainerTabLeftDisabled")
document.getElementById(tabSetId + "_tabimgleft").className = "OH_CodeSnippetContainerTabLeft";
if(tabIndex == tabCount && document.getElementById(tabSetId + "_tab" + tabIndex).className.indexOf("OH_CodeSnippetContainerTabDisabled") == -1)
document.getElementById(tabSetId + "_tabimgright").className = "OH_CodeSnippetContainerTabRightActive";
else
if(document.getElementById(tabSetId + "_tabimgright").className != "OH_CodeSnippetContainerTabRightDisabled")
document.getElementById(tabSetId + "_tabimgright").className = "OH_CodeSnippetContainerTabRight";
// Show copy code button if not in Chrome
if(navigator.userAgent.toLowerCase().indexOf("chrome") == -1)
document.getElementById(tabSetId + "_copyCode").style.display = "inline";
else
document.getElementById(tabSetId + "_copyCode").style.display = "none";
}
// Copy the code from the active tab of the given tab set to the clipboard
function CopyToClipboard(tabSetId)
{
var tabTemp, contentId;
var i = 1;
do
{
contentId = tabSetId + "_code_Div" + i;
tabTemp = document.getElementById(contentId);
if(tabTemp != null && tabTemp.style.display != "none")
break;
i++;
} while(tabTemp != null);
if(tabTemp == null)
return;
if(window.clipboardData)
{
try
{
window.clipboardData.setData("Text", document.getElementById(contentId).innerText);
}
catch(e)
{
alert("Permission denied. Enable copying to the clipboard.");
}
}
else if(window.netscape)
{
try
{
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
var clip = Components.classes["@mozilla.org/widget/clipboard;1"].createInstance(
Components.interfaces.nsIClipboard);
if(!clip)
return;
var trans = Components.classes["@mozilla.org/widget/transferable;1"].createInstance(
Components.interfaces.nsITransferable);
if(!trans)
return;
trans.addDataFlavor("text/unicode");
var str = new Object();
var len = new Object();
var str = Components.classes["@mozilla.org/supports-string;1"].createInstance(
Components.interfaces.nsISupportsString);
var copytext = document.getElementById(contentId).textContent;
str.data = copytext;
trans.setTransferData("text/unicode", str, copytext.length * 2);
var clipid = Components.interfaces.nsIClipboard;
clip.setData(trans, null, clipid.kGlobalClipboard);
}
catch(e)
{
alert("Permission denied. Enter \"about:config\" in the address bar and double-click the \"signed.applets.codebase_principal_support\" setting to enable copying to the clipboard.");
}
}
}
// Help 1 persistence object. This requires a hidden input element on the page with a class of "userDataStyle"
// defined in the style sheet that implements the user data binary behavior:
// <input type="hidden" id="userDataCache" class="userDataStyle" />
var Help1Globals =
{
UserDataCache: function()
{
var userData = document.getElementById("userDataCache");
return userData;
},
Load: function(key)
{
var userData = this.UserDataCache();
userData.load("userDataSettings");
var value = userData.getAttribute(key);
return value;
},
Save: function(key, value)
{
var userData = this.UserDataCache();
userData.setAttribute(key, value);
userData.save("userDataSettings");
}
};