Tight TV Grid
— Last update Sep 19, 2008 — Installed 2,310 times.There are 3 previous versions of this script.
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// $Id: tighttvgrid.user.js 354 2008-09-12 22:37:09Z Chris $
// -----------------------------------------------------------------------------
// This is a Greasemonkey user script.
// To use it, first install Greasemonkey: http://www.greasespot.net/
// Then restart Firefox and revisit this script
// From the Firefox menu select: Tools -> Install User Script
// Accept the default configuration and install
// Now when you visit any of the supported sites you will see extra funcionality
// Documentaion here: http://refactoror.net/greasemonkey/TightTVGrid/doc.html
// -----------------------------------------------------------------------------
// ==UserScript==
// @name Tight TV Grid
// @namespace http://refactoror.net/
// @description Operates on multiple TV listings services. Removes content surrounding the listing grid and adds an IMDb link in front of each program title.
// @version 3.0
// @author Chris Noe
// @include http://www.excite.com/tv/*
// ==/UserScript==
var VERSION = "3.0";
var ident = "ttgver=" + VERSION;
// --------------- Initialization ---------------
extendJavascriptObjects();
// The values listed here are the first-time-use defaults
// They have no effect once they are stored as mozilla preferences.
var prefs = new Preferences({
"controlBar-isExpanded": false,
"favoredTitles": "",
"favoredTitlesColor": "#FF9900",
"favoriteTitles": "",
"favoriteTitlesColor": "#FFFF00",
"fixedHeader": true,
"highlightFirstRun": true,
"ignoreTitles": "",
"ignoreTitlesColor": "#996666",
"insertImdbLinks": true,
"insertTvcomLinks": true,
"linksAlwaysOpenInNewTab": true,
"loggerLevel": "WARN",
"omitChannels": "",
"prefsMenuAccessKey": "P",
"prefsMenuPosition": "BR",
"prefsMenuVisible": true,
"refreshMinute": 3,
"removeGridAds": true,
"removeNonGridElements": true,
"searchTitleActor-isExpanded": false,
"sendAnonymousStatistics": true,
"showTimeMarker": true,
"tweakLayout": true
});
var log = new Logger();
// --------------- Page handlers ---------------
tryCatch("ttg", enhanceExciteListingPage);
function enhanceExciteListingPage()
{
if (document.location.href.match("grid.jsp") == null) {
log.info("This is not the grid page, no processing...");
return;
}
var exciteDoc = extendListingDocument(document);
if (exciteDoc == null)
return null;
if (exciteDoc.isEmpty()) {
// failed page load re-try
exciteDoc.schedulePageRefresh(1);
return null;
}
else {
// refresh on the upcoming hour
exciteDoc.scheduleUpcomingHourRefresh(prefs.get("refreshMinute"), function() {
window.location.reload();
});
}
var programTypeMap = new Array();
exciteDoc.foreachNode(
"//*[text()='Color Key']/following::table[1]//tr[position()!=1]/td",
function(td) {
programTypeMap[td.bgColor] = td.textContent;
}
);
dispatchFeature("removeNonGridElements", function() {
// -- top of page
// search bar
exciteDoc.hideNodes("//select[@name='featuredguides']/ancestor::table[4]");
// nav bar
exciteDoc.hideNodes("//a[contains(@href, 'entertainment.excite.com')]/ancestor::table[2]");
// title row
exciteDoc.hideNodes("//a[contains(@href, 'tv/data.jsp')]/ancestor::table[1]");
// -- bottom of page
// search title/actor
exciteDoc.selectNode("//*[text()='Search by Title or Actor']/ancestor::p[1]")
.makeCollapsible("searchTitleActor-isExpanded", true);
// color key
exciteDoc.hideNodes("//*[text()='Color Key']/ancestor::p[1]");
// ad
exciteDoc.hideNodes("//div[@id='adFooter']/ancestor::table[1]");
// web search bar
exciteDoc.hideNodes("//form[@name='footerSearch']/ancestor::table[3]");
// sitemap
exciteDoc.hideNodes("//a[contains(@href, 'site_map/index.html')]/ancestor::table[1]");
// extra spacing
exciteDoc.hideNodes("//br");
});
exciteDoc.selectNode("//form[@name='gridform']/ancestor::table[1]")
.makeCollapsible("controlBar-isExpanded", true);
dispatchFeature("fixedHeader", function()
{
// experimental
exciteDoc.hideNodes("//*[@bgcolor='white']/ancestor::tr[1]");
exciteDoc.hideNodes("//*[text()='Basic Channels']/ancestor::tr[1]");
var header = exciteDoc.selectNode(
"//a[starts-with(@href, 'http://www.excite.com/tv/grid.jsp')][1]/ancestor::tr[1]");
exciteDoc.hideNodes(
"//a[starts-with(@href, 'http://www.excite.com/tv/grid.jsp')]/ancestor::tr[1]");
header.show();
});
var channelMatchers = prefs.getAsList("omitChannels", ";", ChannelMatcher);
if (channelMatchers != null && channelMatchers != "")
{
// remove specified channels
exciteDoc.foreachNode
(
"//a[starts-with(@href, 'http://my.excite.com/tv/chan.jsp')]/text()",
function(channelName_text)
{
var chanParts = channelName_text.textContent.split(" ");
var isOmit = false;
for (var c in channelMatchers)
{
for (var p in chanParts) {
if (channelMatchers[c].match(chanParts[p])) {
try {
var chan_tr = channelName_text.selectNode("ancestor::tr[1]");
chan_tr.remove();
}
catch(err) {
log.info("Trying to delete '" + channelName_text.textContent
+ "', row previously deleted");
}
break;
}
}
}
if (isOmit == true) {
}
}
);
}
// encapsulates a channel spec value (name/number/range) and requisite match() method
function ChannelMatcher(chanSpec)
{
var i = chanSpec.toString().indexOf("-");
if (i > 0) {
// range matcher
this.lo = parseInt(chanSpec.substring(0, i));
this.hi = parseInt(chanSpec.substring(i + 1));
this.match = function(chan) {
var f = (chan >= this.lo && chan <= this.hi);
return f;
}
}
else {
// simple equality matcher
this.chanSpec = chanSpec;
this.match = function(chan) {
var f = (chan == this.chanSpec);
return f;
}
}
}
var favoriteTitles = prefs.getAsList("favoriteTitles", ";");
var favoredTitles = prefs.getAsList("favoredTitles", ";");
var ignoreTitles = prefs.getAsList("ignoreTitles", ";");
// process each title link in the grid
var first_td = exciteDoc.selectNode("//a[starts-with(@href, 'http://www.excite.com/tv/grid.jsp')][1]/ancestor::td[1]");
var last_td;
exciteDoc.foreachNode
(
"//a[starts-with(@href, 'http://www.excite.com/tv/prog.jsp')]",
function(programTitle_a)
{
var programAttrs = new Object();
programAttrs.title = unescape(programTitle_a.textContent.normalizeWhitespace());
var td = programTitle_a.selectNode("ancestor::td[1]");
programAttrs.programType = programTypeMap[td.bgColor];
var subTitle_i = programTitle_a.selectNodeNullable("following-sibling::i[1]");
if (subTitle_i != null) {
programAttrs.subTitle = subTitle_i.textContent;
}
var attributes = programTitle_a.selectNodeNullable("following-sibling::text()");
if (attributes != null)
{
attributes = attributes.textContent.normalizeWhitespace();
// get New/Repeat indicator, if present
if (attributes.substring(0, 1) == "(") {
var i = attributes.indexOf(")");
if (i != -1) {
programAttrs.new_repeat = attributes.substring(1, i);
attributes = attributes.substring(i+1).trimWhitespace();
}
}
// get remaining attributes
tokens = attributes.split(",");
var t = 0;
if (programAttrs.programType == "Movies") {
programAttrs.isMovie = true;
programAttrs.year = attributes.match(/\d\d\d\d/);
programAttrs.runtime = attributes.match(/\d\d:\d\d/);
}
else {
if (tokens[t])
programAttrs.subcat = tokens[t].trimWhitespace();
if (tokens[++t])
programAttrs.subsubcat = tokens[t].trimWhitespace();
}
}
exciteDoc.insertLinks(programTitle_a, programAttrs);
if (favoriteTitles != null && favoriteTitles.contains(programAttrs.title)) {
programTitle_a.style.backgroundColor = prefs.get("favoriteTitlesColor");
}
if (favoredTitles != null && favoredTitles.contains(programAttrs.title)) {
programTitle_a.style.backgroundColor = prefs.get("favoredTitlesColor");
}
if (ignoreTitles != null && ignoreTitles.contains(programAttrs.title)) {
programTitle_a.style.color = prefs.get("ignoreTitlesColor");
}
dispatchFeature("highlightFirstRun", function() {
if (programAttrs.new_repeat == "New") {
programTitle_a.style.fontWeight = "bold";
programTitle_a.style.fontSize = "120%";
}
});
last_td = programTitle_a.selectNode("ancestor::td[1]");
}
);
// (this must be the last modification to the grid structure)
dispatchFeature("showTimeMarker", function()
{
var gridLeftNav_a = exciteDoc.selectNode(
"//a[starts-with(@href, 'http://www.excite.com/tv/grid.jsp')][1]");
var hour1_00_text = gridLeftNav_a.selectNode("following::text()[1]");
var gridStartDate = parseGridTime(hour1_00_text.textContent);
var hour1_00_td = gridLeftNav_a.selectNode("ancestor::td[1]");
var hour1_30_td = hour1_00_td.selectNode("following::td[1]");
var tm;
if ( (new Date()).getMinutes() < 30 ) {
tm = new TimeMarker(
hour1_00_td, hour1_00_td, hour1_00_td, last_td,
gridStartDate, 0.5 * HOUR
);
}
else {
var relDate = gridStartDate;
relDate.setMinutes(30);
tm = new TimeMarker(
hour1_30_td, hour1_30_td, hour1_30_td, last_td,
relDate, 0.5 * HOUR
);
}
exciteDoc.selectNode("//body").appendSibling(tm);
});
function parseGridTime(str)
{
var tim = str.trimWhitespace().split(" ");
var hr_min = tim[0].split(":");
var meridiem = 0;
if (tim[1] == "PM" && Number(hr_min[0]) < 12)
meridiem = 12;
var gridDate = new Date();
gridDate.setHours( (Number(hr_min[0]) + meridiem), hr_min[1], 00, 000);
return gridDate;
}
}
function extendListingDocument(doc)
{
extendDocument(doc);
if (doc == null)
return null;
// Refresh this page on the upcoming hour, plus the specified number of minutes.
// (Disabled if negative)
doc.scheduleUpcomingHourRefresh = function(refreshMinute, func)
{
if (refreshMinute < 0) {
log.info("Not configured for auto-refresh");
return;
}
var now = new Date();
var refreshTime = now.floor(HOUR).add(HOUR).add(refreshMinute * MINUTE);
window.setTimeout(func, (refreshTime.getTime() - now.getTime()) );
log.info("Scheduled page refresh: " + refreshTime);
}
// Refresh this page in the the specified number of minutes.
doc.schedulePageRefresh = function(refreshMinute, func)
{
var now = new Date();
var refreshTime = now.add(refreshMinute * MINUTE);
window.setTimeout(
function() { window.location.reload(); },
(refreshTime.getTime() - now.getTime())
);
log.info("Scheduled page refresh: " + refreshTime);
}
// insert external search link(s) in front of the specified node
doc.insertLinks = function(base_node, programAttrs)
{
theDoc = this;
dispatchFeature("insertImdbLinks", function()
{
var imdbLink = createExternalLink("http://www.imdb.com/favicon.ico");
var IMDB_SEARCH_TT = "http://imdb.com/find?s=tt&q=";
var IMDB_SEARCH_EP = "http://imdb.com/find?s=ep&q=";
var year = "";
if (programAttrs.year != null) {
year = " (" + programAttrs.year + ")";
}
if (programAttrs.subTitle != null) {
// episode search
imdbSearchTerm = '"' + programAttrs.subTitle + '"' + year;
imdbLink.title = "Search for episode " + imdbSearchTerm + " on imdb.com";
base_node.prependSibling(theDoc.createLink(
imdbLink, IMDB_SEARCH_EP + escape(imdbSearchTerm) ));
}
else {
// title search
imdbSearchTerm = '"' + programAttrs.title + '"' + year;
imdbLink.title = "Search for " + imdbSearchTerm + " on imdb.com";
base_node.prependSibling(theDoc.createLink(
imdbLink, IMDB_SEARCH_TT + escape(imdbSearchTerm) ));
}
});
dispatchFeature("insertTvcomLinks", function()
{
var tvcomLink = createExternalLink("http://www.tv.com/favicon.ico");
var TVCOM_SEARCH = "http://www.tv.com/search.php?type=11&stype=all&tag=search;button&qs=";
tvcomTerm = '"' + programAttrs.title + '"';
tvcomLink.title = "Search for " + tvcomTerm + " on tv.com";
if (programAttrs.isMovie != true) {
base_node.prependSibling(
theDoc.createLink(tvcomLink, TVCOM_SEARCH + tvcomTerm));
}
});
function createExternalLink(url)
{
var img = document.createXElement('img', { src: url });
with (img.style) {
border = 0;
width = "16px";
height = "14px";
verticalAlign = "-25%";
}
return img;
}
}
doc.createLink = function(symbol, url)
{
var lookup_a = this.createXElement("a");
lookup_a.className = "lookup_a";
lookup_a.href = url;
lookup_a.appendChild(symbol);
if (prefs.get("linksAlwaysOpenInNewTab") == true) {
lookup_a.target = "_blank";
}
return lookup_a;
}
// Prefs menu button
if (prefs.get("prefsMenuVisible") == true) {
menuButton = doc.createXElement("button", { textContent: "Prefs" });
setScreenPosition(menuButton, prefs.get("prefsMenuPosition"));
}
else {
menuButton = doc.createXElement("a");
menuButton.hide();
}
with (menuButton) {
id = "ttg_prefs_menu_button";
title = "Tight TV Grid Preferences";
style.fontSize = "9pt";
addEventListener('click', openPrefsDialog, false);
accessKey = prefs.get("prefsMenuAccessKey");
}
doc.selectNode("//body").appendSibling(menuButton);
// Prefs dialog
function openPrefsDialog(event)
{
var prefsMgr = new PreferencesManager(
event.target.ownerDocument,
"ttg_prefs",
"Tight TV Grid Preferences",
{ OK: function okPrefs(doc) { prefsMgr.storePrefs(); },
Cancel: noop
}
);
var prefsDialog_div = prefsMgr.open();
if (prefsDialog_div == null)
return; // the dialog is already open
with (prefsDialog_div)
{
var mainTabset = new TabSet(doc, "iwvr_mainTabset", ["General", "Highlighting"]);
appendChild(mainTabset.container_div);
with (mainTabset.getTabContent_div("General"))
{
var table = doc.createXElement("table");
appendChild(table);
var tr = doc.createXElement("tr");
table.appendChild(tr);
var td = doc.createXElement("td");
td.style.verticalAlign = "top";
tr.appendChild(td);
with (td)
{
style.verticalAlign = "top";
var gridFeatures_div = doc.createTopicDiv("Grid Layout", td);
appendChild(gridFeatures_div);
with (gridFeatures_div.contentElement)
{
appendChild(prefsMgr.createPreferenceInput(
"removeNonGridElements",
"Isolate listing grid",
"Remove content surrounding the listing grid"
));
appendChildElement("br");
appendChild(prefsMgr.createPreferenceInput(
"tweakLayout",
"Tweak layout",
"Adjust font styles, etc"
));
appendChildElement("br");
appendChild(prefsMgr.createPreferenceInput(
"showTimeMarker",
"Show current time",
"Indicate the current time as a vertical dashed line over the grid"
));
var div = appendChildText("Remove Channels:", ["div"]);
div.style.marginTop = "5px";
appendChild(prefsMgr.createPreferenceInput(
"omitChannels", null,
"Remove these channels from the grid",
{ size: 24 }
));
}
var linkFeatures_div = doc.createTopicDiv("External Links", td);
appendChild(linkFeatures_div);
with (linkFeatures_div.contentElement)
{
appendChild(prefsMgr.createPreferenceInput(
"insertImdbLinks",
"Add imdb.com links",
"Add an imdb.com search link in front of each program title"
));
appendChildElement("br");
appendChild(prefsMgr.createPreferenceInput(
"insertTvcomLinks",
"Add tv.com links",
"Add a tv.com search link in front of each program title"
));
appendChildElement("br");
appendChild(prefsMgr.createPreferenceInput(
"linksAlwaysOpenInNewTab",
"Links open in a new tab",
""
)).style.marginLeft = "16px";
}
}
var td = doc.createXElement("td");
td.style.verticalAlign = "top";
tr.appendChild(td);
with (td)
{
style.verticalAlign = "top";
var prefsDock_div = doc.createTopicDiv("Dock Prefs Menu", td);
appendChild(prefsDock_div);
with (prefsDock_div.contentElement)
{
appendChild(prefsMgr.createPreferenceInput(
"prefsMenuVisible",
"Visible",
"Prefs menu button visible on the screen"
));
with (appendChild(prefsMgr.createScreenCornerPreference("prefsMenuPosition"))) {
title = "Screen corner for [Prefs] menu button";
style.margin = "1px 0px 3px 20px";
}
appendChild(prefsMgr.createPreferenceInput(
"prefsMenuAccessKey",
"Access Key",
"Alt-Shift keyboard shortcut",
{ size:1, maxLength: 1 }
));
}
var miscFeatures_div = doc.createTopicDiv("Miscellaneous", td);
appendChild(miscFeatures_div);
with (miscFeatures_div.contentElement)
{
appendChild(prefsMgr.createPreferenceInput(
"removeGridAds",
"Remove advertising",
"Remove advertising"
));
with (appendChildElement("div")) {
style.margin = "2px";
}
appendChild(prefsMgr.createPreferenceInput(
"refreshMinute",
"Auto-refresh minute",
"Refresh the listing these many minutes after each hour",
{ size:1, maxLength: 2 }
));
}
var controls_div = doc.createTopicDiv("Advanced Controls", td);
appendChild(controls_div);
with (controls_div.contentElement)
{
appendChild(prefsMgr.createPreferenceInput(
"loggerLevel",
"Logging Level",
"Control level of information that appears in the Error Console",
null,
log.getLogLevelMap()
));
}
}
}
with (mainTabset.getTabContent_div("Highlighting"))
{
appendChild(prefsMgr.createPreferenceInput(
"highlightFirstRun",
"Emphasize first run programs",
"Emphasize first run program titles (bold)"
));
var highFeatures_div = doc.createTopicDiv("Customize Program Titles", prefsDialog_div);
appendChild(highFeatures_div);
with (highFeatures_div.contentElement)
{
var tabset = new TabSet(doc, "iwvr_highlightingTabset",
["Favorites", "Favored", "Ignored"]);
appendChild(tabset.container_div);
with (tabset.getTabContent_div("Favorites"))
{
appendChild(prefsMgr.createPreferenceInput(
"favoriteTitles", null,
"Highlight these titles",
{ rows: 6, cols: 25 }
));
appendChild(prefsMgr.createPreferenceInput(
"favoriteTitlesColor",
"Color", "",
{ size:7 }
));
}
with (tabset.getTabContent_div("Favored"))
{
appendChild(prefsMgr.createPreferenceInput(
"favoredTitles", null,
"Highlight these titles, more subtly",
{ rows: 6, cols: 25 }
));
appendChild(prefsMgr.createPreferenceInput(
"favoredTitlesColor",
"Color", "",
{ size:7 }
));
}
with (tabset.getTabContent_div("Ignored"))
{
appendChild(prefsMgr.createPreferenceInput(
"ignoreTitles", null,
"De-emphasize these titles",
{ rows: 6, cols: 25 }
));
appendChild(prefsMgr.createPreferenceInput(
"ignoreTitlesColor",
"Color", "",
{ size:7 }
));
}
tabset.initialize();
}
}
mainTabset.initialize();
// Help link
var docs_div = doc.createXElement("div");
appendChild(docs_div);
with (docs_div) {
appendChild(doc.createHtmlLink(
"http://refactoror.com/greasemonkey/TightTVGrid/doc.html#prefs",
"Help"
));
align = "center";
style.padding = "3px";
}
}
}
return doc;
}
// ==================== TimeMarker object ====================
// Install a real-time time indicator over the grid
function TimeMarker(topRefNode, leftRefNode, rightRefNode, bottomRefNode, startTime, duration, offsetX)
{
var topY = topRefNode.findPosY();
var bottomY = bottomRefNode.findPosY() + bottomRefNode.clientHeight;
var heightY = bottomY - topY;
var leftX = leftRefNode.findPosX();
var rightX = rightRefNode.findPosX() + rightRefNode.clientWidth;
var widthX = rightX - leftX;
// adjustment for irregular grids
if (offsetX == null)
offsetX = 0;
var timemarker_div = document.createElement("div");
timemarker_div.id = "ttg_timemarker";
with (timemarker_div.style) {
border = ".75px dashed red";
position = "absolute";
top = topY;
height = heightY;
zIndex = 99;
}
this.refresh = function()
{
var xleft = leftRefNode.findPosX() + offsetX;
var xright = rightRefNode.findPosX() + rightRefNode.clientWidth;
var now = new Date();
var hourFrac = (now.getTime() - startTime.getTime()) / duration;
var x = xleft + Math.floor(hourFrac * (xright - xleft));
timemarker_div.style.left = x;
timemarker_div.title = formatGridTime(now);
}
this.refresh();
window.setInterval(this.refresh, 5000);
window.addEventListener("resize", this.refresh, false);
return timemarker_div;
}
function formatGridDate(gridtime)
{
var s = gridtime.toDateString().split(" ");
return s[0] + ", " + s[1] + " " + s[2];
}
function formatGridTime(gridtime)
{
var d = new Date(gridtime);
var h = d.getHours();
var xm = "am";
if (h > 12) {
h -= 12;
xm = "pm";
}
var m = "0" + d.getMinutes();
return h + ":" + m.substring(m.length - 2) + xm;
}
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
// =-=-=-=-=-=-=-=-=-=-=-= DOM Monkey -=-=-=-=-=-=-=-=-=-=-=-=
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
// The following code assumes the following objects have been created, (in this order):
// var prefs = new Preferences(...);
// var log = new Logger();
// ==================== DOM object extensions ====================
/** Extend the given document with methods
* for querying and modifying the document object.
*/
function extendDocument(doc)
{
if (doc == null)
return null;
/** Determine if the current document is empty.
*/
doc.isEmpty = function() {
return (this.body == null || this.body.childNodes.length == 0);
};
/** Report number of nodes that matach the given xpath expression.
*/
doc.countNodes = function(xpath) {
var n = 0;
this.foreachNode(xpath, function(node) {
n++;
});
return n;
};
/** Remove nodes that match the given xpath expression.
*/
doc.removeNodes = function(xpath) {
this.foreachNode(xpath, function(node) {
node.remove();
});
};
/** Hide nodes that match the given xpath expression.
*/
doc.hideNodes = function(xpath)
{
if (xpath instanceof Array) {
for (xp in xpath) {
this.foreachNode(xp, function(node) {
node.hide();
});
}
}
else {
this.foreachNode(xpath, function(node) {
node.hide();
});
}
};
/** Make visible the nodes that match the given xpath expression.
*/
doc.showNodes = function(xpath) {
this.foreachNode(xpath, function(node) {
node.show();
});
};
/** Retrieve the value of the node that matches the given xpath expression.
*/
doc.selectValue = function(xpath, contextNode)
{
if (contextNode == null)
contextNode = this;
var result = this.evaluate(xpath, contextNode, null, XPathResult.ANY_TYPE, null);
var resultVal;
switch (result.resultType) {
case result.STRING_TYPE: resultVal = result.stringValue; break;
case result.NUMBER_TYPE: resultVal = result.numberValue; break;
case result.BOOLEAN_TYPE: resultVal = result.booleanValue; break;
default:
log.error("Unhandled value type: " + result.resultType);
}
return resultVal;
}
/** Select the first node that matches the given xpath expression.
* If none found, log warning and return null.
*/
doc.selectNode = function(xpath, contextNode)
{
var node = this.selectNodeNullable(xpath, contextNode);
if (node == null) {
// is it possible that the structure of this web page has changed?
log.warn("XPath returned no elements: " + xpath
+ "\n" + genStackTrace(arguments.callee)
);
}
return node;
}
/** Select the first node that matches the given xpath expression.
* If none found, return null.
*/
doc.selectNodeNullable = function(xpath, contextNode)
{
if (contextNode == null)
contextNode = this;
var resultNode = this.evaluate(
xpath, contextNode, null,
XPathResult.FIRST_ORDERED_NODE_TYPE, null);
return extendNode(resultNode.singleNodeValue);
}
/** Select all nodes that match the given xpath expression.
* If none found, return null.
*/
doc.selectNodeSet = function(xpath, contextNode)
{
if (contextNode == null)
contextNode = this;
var nodeSet = this.evaluate(
xpath, contextNode, null,
XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
return nodeSet;
}
/** Iteratively execute the given func for each node that matches the given xpath expression.
*/
doc.foreachNode = function(xpath, func, contextNode)
{
if (contextNode == null)
contextNode = this;
// if array of xpath strings, call recursively
if (xpath instanceof Array) {
for (i in xpath)
this.foreachNode(xpath[i], func, contextNode);
return;
}
var nodeSet = contextNode.selectNodeSet(xpath, contextNode);
var i = 0;
var n = nodeSet.snapshotItem(i);
while (n != null) {
var result = func(extendNode(n));
if (result == false) {
// dispatching func can abort the loop by returning false
return;
}
n = nodeSet.snapshotItem(++i);
}
}
/** Sleep until the given xpath expression returns non-empty content,
* then dispatch to the given function.
*/
doc.onAppears = function(xpath, interval, dispatchFunc)
{
var camponTimer = null;
function campon()
{
if (this.selectNodeNullable(xpath) == null) {
return;
}
window.clearInterval(camponTimer);
dispatchFunc();
}
camponTimer = window.setInterval(campon, interval);
}
doc.onAppearsStable = function(xpath, interval, dispatchFunc)
{
var thedoc = this;
var camponTimer = null;
function campon()
{
if (thedoc.selectNodeNullable(xpath) == null) {
log.debug("still waiting for initial content to load...");
return;
}
window.clearInterval(camponTimer);
log.info("intial content has loaded: " + xpath);
thedoc.onStable(xpath, interval, dispatchFunc);
}
log.info("waiting for initial content to load...");
camponTimer = window.setInterval(campon, interval);
}
// sleep until content return by xpath stops changing size
doc.onStable = function(xpath, interval, dispatchFunc)
{
var thedoc = this;
var camponTimer = null;
var prevLen = thedoc.selectNodeSet(xpath).snapshotLength;
function campon()
{
var curLen = thedoc.selectNodeSet(xpath).snapshotLength;
if (curLen != prevLen) {
log.debug("(" + curLen + ") still waiting for content to stablize...");
prevLen = curLen;
return;
}
window.clearInterval(camponTimer);
log.info("(" + curLen + ") content has stablized: " + xpath);
dispatchFunc();
}
log.debug("(" + prevLen + ") waiting for content to stablize...");
camponTimer = window.setInterval(campon, interval);
}
/** Retrieve the text content of the node that matches the given xpath expression.
*/
doc.selectTextContent = function(xpath) {
var node = this.selectNodeNullable(xpath, this);
if (node == null)
return null;
return node.textContent.normalizeWhitespace();
};
/** Retrieve the text content of the node that matches the given xpath expression,
* and apply the given regular expression to it, returning the portion that matches.
*/
doc.selectMatchTextContent = function(xpath, regex) {
var text = this.selectTextContent(xpath);
if (text == null)
return null;
return text.match(regex);
};
/** Replace contents of contextNode (default: body), with specified node.
* (The specified node is removed, then re-added to emptied contextNode.)
* The specified node is expected to be a descendent of the context node.
* Otherwise the result is probably an error.
* DOC-DEFAULT
*/
doc.isolateNode = function(xpath, contextNode)
{
if (contextNode == null)
contextNode = this.body;
extendNode(contextNode);
var subjectNode = this.selectNode(xpath);
if (subjectNode == null || subjectNode.parentNode == null)
return;
// gut the parent node (leave script elements alone)
contextNode.foreachNode("child::*", function(node) {
if (node.tagName != "SCRIPT" && node.tagName != "NOSCRIPT") {
node.remove();
}
});
// re-add the subject node
var replacement_div = this.createElement("div");
replacement_div.id = "isolateNode:" + xpath;
replacement_div.appendChild(subjectNode);
contextNode.appendChild(replacement_div);
};
/** Add a <script> reference to this document.
* DOC-CENTRIC
*/
doc.addScriptReference = function(url)
{
var script = this.createElement("script");
script.src = url;
this.selectNode("//head").appendChild(script);
return script;
}
/** Add a CSS style definition to this document.
* DOC-CENTRIC
*/
doc.addStyle = function(cssBody, id)
{
var style = this.createXElement("style");
style.innerHTML = cssBody;
this.selectNode("//head").appendChild(style);
return style;
}
/** Create an "extended" HTML element of the specified type,
* with the given attributes applied to it.
* The returned object is extended by extendNode().
* DOC-NONSPECIFIC
*/
doc.createXElement = function(tagName, attrMap)
{
var node = extendNode(this.createElement(tagName));
node.applyAttributes(attrMap);
return node;
}
/** Create
*/
doc.createHtmlLink = function(url, text, attrMap)
{
var a = this.createXElement("a");
a.href = url;
if (text == null) {
text = url;
}
a.textContent = text;
a.applyAttributes(attrMap);
return a;
}
/** Create an HTML input field, wrapped in an HTML label,
* with the given attributes applied to it,
* The returned HTML objects are extended by extendNode().
* DOC-NONSPECIFIC
*/
doc.createInputText = function(labelText, attrMap, defaultVal)
{
var span = this.createXElement("label");
with (span) {
if (labelText != null)
appendChildText(labelText + ": ");
var input = this.createXElement("input", attrMap);
with (input) {
type = "text";
value = defaultVal;
}
appendChild(input);
}
return span;
}
doc.createTextArea = function(labelText, attrMap, defaultVal)
{
var span = this.createXElement("label");
with (span) {
if (labelText != null)
appendChildText(labelText + ": ");
var input = this.createXElement("textarea", attrMap);
with (input) {
value = defaultVal;
}
appendChild(input);
}
return span;
}
/** Create an HTML checkbox, wrapped in an HTML label,
* with the given attributes applied to it,
* The returned HTML objects are extended by extendNode().
* DOC-NONSPECIFIC
*/
doc.createCheckbox = function(labelText, attrMap, isChecked)
{
var span = this.createXElement("label");
with (span) {
var input = this.createXElement("input", attrMap);
with (input) {
type = "checkbox";
checked = isChecked;
}
appendChild(input);
appendChildText(labelText);
}
return span;
}
/** Create a set of HTML radio buttons, wrapped in an HTML label element.
* The returned HTML objects are extended by extendNode().
* DOC-NONSPECIFIC
*/
doc.createRadioset = function(attrMap, optionMap, defaultKey)
{
var spanList = new Array();
for (var key in optionMap)
{
var label = this.createXElement("label");
with (label) {
var input = this.createXElement("input", attrMap);
with (input) {
type = "radio";
value = key;
if (key == defaultKey)
checked = true;
}
appendChild(input);
appendChildText(optionMap[key]);
}
spanList.push(label);
}
return spanList;
}
/** Create an HTML select element, wrapped in an HTML label element.
* The returned HTML objects are extended by extendNode().
* DOC-NONSPECIFIC
*/
doc.createSelect = function(labelText, attrMap, optionMap, defaultKey)
{
var span = this.createXElement("label");
with (span) {
if (labelText != null)
appendChildText(labelText + ": ");
var select = this.createXElement("select", attrMap);
with (select)
{
for (var key in optionMap)
{
var option = this.createXElement("option");
with (option) {
value = key;
if (key == defaultKey) {
selected = true;
}
appendChildText(optionMap[key]);
}
appendChild(option);
}
}
appendChild(select);
}
return span;
}
/** Create a labeled/boxed area (eg, typical dialog box component).
*/
doc.createTopicDiv = function(topicTitle, contextNode)
{
var shiftEms = ".7";
basecolor = getBaseColor(contextNode);
var frame_div = this.createXElement("div");
with (frame_div) {
with (style) {
border = "1px solid gray";
marginTop = (shiftEms * 1.5) + "em";
marginLeft = "6px";
marginRight = "6px";
MozBorderRadius = "3px";
}
// superimposed title
var title_span = this.createXElement("span");
with (title_span.style) {
position = "relative";
top = -shiftEms + "em";
fontSize = "10pt";
color = "black";
backgroundColor = basecolor;
marginLeft = "6px"; // shift title right
padding = "0px 4px 0px 4px"; // blot out frame on left & right
}
title_span.appendChildText(topicTitle);
appendChild(title_span);
// content area
var content_div = this.createXElement("div");
content_div.style.marginTop = -shiftEms + "em";
content_div.style.padding = "6px";
appendChild(content_div);
}
frame_div.contentElement = content_div;
return frame_div;
function getBaseColor(contextNode)
{
while (contextNode != null && contextNode.tagName != "BODY") {
var c = contextNode.style.backgroundColor;
if (c != "") {
return c;
}
contextNode = contextNode.parentNode;
}
return "white";
}
}
/** Create a labeled/boxed area (eg, typical dialog box component).
* DOC-CENTRIC
*/
if (prefs.get("sendAnonymousStatistics")) {
var counter_img = doc.createXElement("img");
counter_img.id = "refactoror.net_counter";
counter_img.src = "http://refactoror.net/spacer.gif?" + ident;
doc.selectNode("//body").appendChild(counter_img);
}
return doc;
}
/** Extend the given node with methods
* for querying and modifying the node object.
*/
function extendNode(node)
{
if (node == null)
return null;
/** Create an HTML element of the specified type,
* with the given attributes applied to it.
* The returned object is extended by extendNode().
*/
node.createXElement = function(tagName, attrMap)
{
var node = extendNode(this.ownerDocument.createElement(tagName));
this.applyAttributes(attrMap);
return node;
}
// Selection methods that operate within the scope of this node
node.selectValue = function(xpath) { return document.selectValue(xpath, this); }
node.selectNode = function(xpath) { return document.selectNode(xpath, this); }
node.selectNodeNullable = function(xpath) { return document.selectNodeNullable(xpath, this); }
node.selectNodeSet = function(xpath) { return document.selectNodeSet(xpath, this); }
node.foreachNode = function(xpath, func) { document.foreachNode(xpath, func, this); }
node.isolateNode = function(xpath) { document.isolateNode(xpath, this); }
node.applyAttributes = function(attrMap) {
for (var key in attrMap) {
this[key] = attrMap[key];
}
}
/**
*/
node.NBSP = "\u00A0";
/** Create a DOM object of the given type,
* and append it to this node.
*/
node.appendChildElement = function(tagName) {
var newNode = this.createXElement(tagName);
this.appendChild(newNode);
return newNode;
};
/** Create a text node,
* optionally wrapped in the given HTML element types,
* and append it to this node.
*/
node.appendChildText = function(text, spanList, attrMap)
{
var newNode = this.ownerDocument.createTextNode(text);
// wrap with other elements, if any, (eg: ["b", "i"])
if (spanList != null) {
for (var i = spanList.length - 1; i >= 0; i--) {
var n = this.createXElement(spanList[i]);
n.appendChild(newNode);
newNode = n;
}
}
if (attrMap != null) {
newNode.applyAttributes(attrMap);
}
this.appendChild(newNode);
return newNode;
};
/** Create a text node consisting of a series of entities,
* and append it to this node.
*/
node.appendChildTextNbsp = function(count) {
if (count == null)
count = 1;
var buf = "";
for (i = 0; i < count; i++) {
buf += this.NBSP;
}
this.appendChildText(buf);
};
/** Insert the given node as the first child of this node.
*/
node.prependChild = function(newNode) {
this.insertBefore(newNode, this.firstChild);
return newNode;
};
/** Insert the given node in front of this node.
*/
node.prependSibling = function(newNode) {
var p = this.parentNode;
p.insertBefore(newNode, this);
return newNode;
};
/** Insert the given node after this node.
*/
node.appendSibling = function(newNode) {
var p = this.parentNode;
var followingSibling = this.nextSibling;
// what if null .. use p.appendChild ?
p.insertBefore(newNode, followingSibling);
};
/** Create an HTML element of the specified type,
* with the given attributes applied to it,
* then move this node inside the newly created node,
* and attach the newly created node in place of this node
* returning the newly created object.
*/
node.wrapIn = function(type, attrs) {
var wrapperNode = this.createXElement(type, attrs);
this.prependSibling(wrapperNode);
this.remove();
wrapperNode.appendChild(this);
return wrapperNode;
};
/**
*/
node.makeCollapsible = function(id, isPersistent) {
return new Collapsible(this, id, isPersistent);
};
/** Remove this node, and insert the given node in its place.
*/
node.replaceWith = function(node) {
this.appendSibling(node);
this.remove();
return node;
};
/** Create an HTML table row.
*/
node.appendTableRow = function(valueList, tdAttrMapList)
{
var tr = this.createXElement("tr");
for (var i in valueList)
{
var td = this.createXElement("td");
if (tdAttrMapList != null)
td.applyAttributes(tdAttrMapList[i]);
if (valueList[i] == null)
;
else if (typeof(valueList[i]) == "string")
td.appendChild( this.ownerDocument.createTextNode(valueList[i]) );
else
td.appendChild( valueList[i] );
tr.appendChild(td);
}
this.appendChild(tr);
}
/** Remove this node from the DOM.
*/
node.remove = function() {
this.parentNode.removeChild(this);
}
/** Hide this node.
*/
node.hide = function() {
this.style.display = "none";
}
/** Hide nodes that are siblings to this node.
*/
node.hideSiblings = function() {
this.foreachNode("../child::*", function(node) {
if (! this.isSameNode(node)) {
if (node.tagName != "SCRIPT" && node.tagName != "NOSCRIPT")
node.hide();
}
});
};
/** Show this node.
*/
node.show = function() {
this.style.display = null;
}
/** Calculate the absolute X position of this HTML element.
*/
node.findPosX = function()
{
var x = 0;
var node = this;
while (node.offsetParent != null) {
x += node.offsetLeft;
node = node.offsetParent;
}
if (node.x != null)
x += node.x;
return x;
}
/** Calculate the absolute Y position of this HTML element.
*/
node.findPosY = function()
{
var y = 0;
var node = this;
while (node.offsetParent != null) {
y += node.offsetTop;
node = node.offsetParent;
}
if (node.y != null)
y += node.y;
return y;
}
return node;
}
// ==================== TabSet object ====================
var activeTabsets = new Array();
// assumes that doc has already been extended
function TabSet(doc, tabsetId, tabLabels)
{
this.doc = doc;
this.tabsetId = tabsetId;
this.tabLinkMap = new Array();
this.tabDivMap = new Array();
// save TabSet object reference for callbacks
activeTabsets[tabsetId] = this;
this.getTabContent_div = function(labelText) {
return this.tabDivMap[labelText];
}
this.createTab = function(idx, labelText)
{
var a = this.doc.createXElement("a", {
name: this.tabsetId,
textContent: labelText,
className: "DialogBox_clickable"
});
with (a.style) {
padding = "3px 4px";
border = "1px solid black";
MozBorderRadius = "4px";
borderBottom = "none";
fontSize = "9pt";
color = "black";
textDecoration = "none";
}
return a;
}
this.activateTab = function(a) {
with (a.style) {
paddingTop = "4px";
backgroundColor = "lightgray";
}
var content_div = this.getTabContent_div(a.textContent);
content_div.show();
}
this.deactivateTab = function(a) {
with (a.style) {
paddingTop = "3px";
backgroundColor = "darkgray";
}
var content_div = this.getTabContent_div(a.textContent);
content_div.hide();
}
this.selectTab = function(selected_a)
{
// (can be called from outside this object's context, (ie, click listener))
var tabset = activeTabsets[selected_a.name];
// deselect all tabs
tabset.doc.foreachNode("//a[@name='" + selected_a.name + "']", function(a) {
tabset.deactivateTab(a);
});
// then select the clicked tab
tabset.activateTab(selected_a);
}
this.initialize = function(labelText)
{
var maxX = 0;
var maxY = 0;
// determine largest width/height across content divs
for (d in this.tabDivMap) {
var div = this.tabDivMap[d];
if (div.clientWidth > maxX) maxX = div.clientWidth;
if (div.clientHeight > maxY) maxY = div.clientHeight;
}
// equalize size of content divs to largest
for (d in this.tabDivMap) {
var div = this.tabDivMap[d];
div.style.width = maxX;
div.style.height = maxY;
}
// select the default tab
if (labelText == null) {
labelText = tabLabels[0];
}
this.selectTab(this.tabLinkMap[labelText])
}
this.container_div = doc.createXElement("div", { id: this.tabsetId });
var ul = doc.createXElement("ul");
this.container_div.appendChild(ul);
with (ul.style) {
margin = "13px 7px 1px 12px";
padding = "0px 0px 0px 0px";
fontSize = "10pt";
}
for (t in tabLabels)
{
var tab_a = this.createTab(t, tabLabels[t]);
tab_a.addEventListener('click', function(event) {
// now we're in the isolated context of the click
// ie, context inferred from event & globals
var selected_a = event.target;
var tabset = activeTabsets[selected_a.name];
tabset.selectTab(selected_a);
},
false
);
ul.appendChild(tab_a);
this.tabLinkMap[tabLabels[t]] = tab_a;
// corresponding content div
var tabContent_div = doc.createXElement("div", {
id: this.tabsetId + ":" + tabLabels[t]
});
with (tabContent_div.style) {
margin = "0px 7px 0px 7px";
padding = "4px 4px 4px 4px";
border = "2px outset black";
}
this.container_div.appendChild(tabContent_div);
this.tabDivMap[tabLabels[t]] = tabContent_div;
}
}
// ==================== DialogBox object ====================
var activeDialogs = new Array();
// assumes that doc has already been extended
function DialogBox(doc, dialogTitle)
{
this.doc = doc;
this.callbacks = null;
this.createDialog = function(popupName, dialogStyle, buttonDefs)
{
this.popupId = popupName + "_dialog";
var main_div = this.doc.createXElement("div");
with (main_div) {
id = this.popupId;
setAttribute("style", dialogStyle);
style.maxWidth = window.innerWidth - 50;
style.maxHeight = window.innerHeight - 70;
style.overflow = "auto";
if (style.backgroundColor == "")
style.backgroundColor = "white";
// dialog box structure
innerHTML =
// border layers
'<div style="border: 1px solid; border-color: gainsboro darkslategray darkslategray gainsboro;">'
+ '<div style="border: 1px solid; border-color: white darkgray darkgray white;">'
+ '<div style="border: 2px solid gainsboro;">'
// grid (has to be a table to acheive float behaviors)
+ '<table cellspacing="0" cellpadding="0">'
+ '<tbody>'
// titlebar (optional)
+ ((dialogTitle != null) ?
'<tr id="' + this.popupId + '_titlebar"><td'
+ ' style="padding: 2px; background-color: navy; color: white; font: bold 9pt Arial;"'
+ '>' + dialogTitle
+ '</td></tr>'
: "")
// main content area
+ '<tr id="' + this.popupId + '_main" style="overflow: auto;"><td>'
+ '<div id="' + this.popupId + '_content"/>'
+ '</td></tr>'
// button bar
+ '<tr id="' + this.popupId + '_buttons"><td style="padding: 6px;">'
+ '</td></tr>'
+ '</tbody>'
+ '</table>'
+ '</div>'
+ '</div>'
+ '</div>'
;
}
this.doc.selectNode("//body").appendChild(main_div);
this.main_td = main_div.selectNodeNullable("//tr[@id='" + this.popupId + "_main']/td")
var content_div = main_div.selectNode("//div[@id='" + this.popupId + "_content']");
var buttonbar_td = main_div.selectNodeNullable("//tr[@id='" + this.popupId + "_buttons']/td")
var controlButtons_span = this.doc.createXElement("center");
if (buttonDefs != null)
{
this.callbacks = buttonDefs;
for (b in buttonDefs)
{
var button = null;
if (b == "X")
{
var titlebar_td = main_div.selectNodeNullable("//tr[@id='" + this.popupId + "_titlebar']/td")
if (titlebar_td != null) {
// X close button in the right side of the titlebar
button = this.doc.createXElement("a");
with (button) {
id = this.popupId + "_closer";
href = "javascript:void(0)";
with (style) {
cssFloat = "right";
border = "1px solid";
borderColor = "white darkslategray darkslategray white";
backgroundColor = "lightgray";
padding = "0px 1px 0px 2px";
font = "bold 9pt Arial";
color = "black";
textAlign = "center";
lineHeight = "110%";
}
appendChildText("X");
}
titlebar_td.prependChild(button);
}
else {
// X close button in the upper-right of window
button = this.doc.createXElement("a");
with (button) {
id = this.popupId + "_closer";
href = "javascript:void(0)";
with (style) {
cssFloat = "right";
backgroundColor = "#AA0000";
padding = "2px";
font = "bold 8pt Arial";
textDecoration = "none";
color = "white";
}
appendChildText("X");
}
content_div.prependSibling(button);
}
}
else {
// a regular button at bottom of window
button = this.doc.createXElement("button");
with (button.style) {
margin = "0px 5px";
fontSize = "8pt";
fontFamily = "Helvetica, sans-serif";
}
controlButtons_span.appendChild(button);
}
with (button) {
name = this.popupId; // name attr associates callbacks with the dialog id
className = "DialogBox_clickable";
textContent = b;
addEventListener('click', function(event) {
// now we're in the isolated context of the click
// ie, context inferred from event & globals
var doc = extendDocument(event.target.ownerDocument);
var dialog = activeDialogs[event.target.name];
var popupId = event.target.textContent;
var callbackFunc = dialog.callbacks[popupId];
dialog.hidePopup();
callbackFunc(doc);
dialog.removePopup();
},
false
);
}
}
buttonbar_td.appendChild(controlButtons_span);
this.doc.addStyle(
".DialogBox_clickable:hover { cursor: pointer; }\n"
);
}
// save DialogBox object reference for callbacks
activeDialogs[this.popupId] = this;
return content_div;
}
this.hidePopup = function() {
var div = this.doc.getElementById(this.popupId);
div.style.visibility = "hidden";
}
this.removePopup = function() {
var div = this.doc.getElementById(this.popupId);
div.parentNode.removeChild(div);
activeDialogs[this.popupId] = null;
}
}
function noop() {
}
// ==================== Preferences object ====================
/** (This object is created before the Logger object,
* therefore the log methods cannot be used. Use GM_log instead.)
*/
function Preferences(defaultValuesMap)
{
this.defaultValuesMap = defaultValuesMap;
this.cacheMap = new Object();
this.get = function(prefName)
{
var value = this.cacheMap[prefName];
if (typeof(value) == "undefined")
{
value = GM_getValue(prefName);
if (typeof(value) == "undefined")
{
value = this.defaultValuesMap[prefName];
if (typeof(value) == "undefined") {
log.error("Unmanaged preference: " + prefName);
return value;
}
}
this.set(prefName, value);
}
return value;
}
this.set = function(prefName, prefValue)
{
GM_setValue(prefName, prefValue);
this.cacheMap[prefName] = prefValue;
}
this.getAsList = function(prefName, delim, wrapperType)
{
var value = this.get(prefName);
if (value != null) {
valueList = value.split(delim);
}
else {
valueList = new Array();
}
if (wrapperType != null) {
// wrap elements in custom object type
var wrappedValueList = new Array();
for (i in valueList) {
wrappedValueList[i] = new wrapperType(valueList[i]);
}
return wrappedValueList;
}
// add utility methods to the resulting Array object
valueList.contains = function(matchText)
{
if (matchText == null) {
log.error("a null arg: " + this + " " + matchText);
return false;
}
for (var i in this) {
if (matchText == this[i])
return true;
}
return false;
}
return valueList;
}
}
// ==================== PreferencesManager object ====================
function setScreenPosition(node, posIndicator)
{
with (node.style)
{
position = "fixed";
zIndex = 999;
switch (posIndicator) {
case "TL": top = 0; left = 0; break;
case "TR": top = 0; right = 0; break;
case "BL": bottom = 0; left = 0; break;
case "BR": bottom = 0; right = 0; break;
default:
log.error("Unrecognized menu position indicator: " + menuPos);
}
}
}
function PreferencesManager(doc, uniqId, title, buttonDefs)
{
this.doc = extendDocument(doc);
this.uniqId = uniqId;
this.dialogBox = new DialogBox(this.doc, title);
this.buttonDefs = buttonDefs;
/** Display the Preferences dialog.
*/
this.open = function()
{
if (this.doc.selectNodeNullable("//div[@id='" + this.uniqId + "_dialog']")) {
log.info("Preferences dialog already open");
return null; // the dialog is already open
}
var dialogBox_div = this.dialogBox.createDialog(
this.uniqId,
"z-index: 999; left: 15%; top: 25px; position: fixed;"
+ " background-color: lightgray;",
this.buttonDefs
);
with (dialogBox_div.style) {
fontSize = "10pt";
fontFamily = "Arial, Helvetica, sans-serif";
overflow = "auto";
backgroundColor = "lightgray";
}
return dialogBox_div;
}
/** Create an HTML input element associated with the named greasemonkey preference.
*/
this.createPreferenceInput = function(prefName, titleText, tipText, attrMap, optionMap)
{
var prefValue = prefs.get(prefName);
var item_label;
var inputTagname = "input";
switch (typeof(prefValue)) {
case "boolean":
item_label = this.doc.createCheckbox(titleText, attrMap, prefValue);
break;
case "string":
case "number":
if (optionMap != null) {
item_label = this.doc.createSelect(titleText, attrMap, optionMap, prefValue);
inputTagname = "select";
}
else if (attrMap["rows"] != null) {
item_label = this.doc.createTextArea(titleText, attrMap, prefValue);
inputTagname = "textarea";
}
else {
item_label = this.doc.createInputText(titleText, attrMap, prefValue);
}
break;
default:
log.warn("For " + prefName + ", unrecognized type: " + typeof(prefValue));
}
item_label.style.fontSize = "9pt";
if (tipText != null)
item_label.title = tipText;
with (item_label.selectNode(inputTagname)) {
name = prefName;
className = "preferenceSetting";
applyAttributes(attrMap);
}
return item_label;
}
this.createScreenCornerPreference = function(prefName)
{
var prefValue = prefs.get(prefName);
var table = this.doc.createXElement("table", {
id: prefName + "_2x2"
});
with (table) {
style.borderCollapse = "collapse";
cellPadding = 0; cellSpacing = 0;
appendTableRow([ createRadioButton("TL"), null, createRadioButton("TR") ]);
appendTableRow([ null, null, null ]);
appendTableRow([ createRadioButton("BL"), null, createRadioButton("BR") ]);
style.border = "3px inset black";
foreachNode(".//input", function(inp) {
inp.style.margin = "0px";
});
with (selectNode(".//tr[2]/td[2]")) {
// acheive roughly 4/3 aspect ratio
style.width = "14px";
style.height = "4px";
};
}
return table;
function createRadioButton(choiceValue)
{
var radio_input = doc.createXElement("input", {
type: "radio", name: prefName, value: choiceValue,
className: "preferenceSetting"
});
if (choiceValue == prefValue) {
radio_input.checked = true;
}
return radio_input;
}
}
/** Store current screen values into the associated Preferences,
* but only for values that have changed.
* (This is the primary logic for the OK button)
*/
this.storePrefs = function()
{
this.doc.foreachNode("//*[@class='preferenceSetting']", function(inputObj) {
var prefName = inputObj.name;
var prefValue;
if (inputObj.type == "checkbox") {
prefValue = inputObj.checked;
}
else if (inputObj.type == "radio") {
if (inputObj.checked)
prefValue = inputObj.value;
else
return; // skip all in group except the checked one
}
else {
prefValue = inputObj.value;
}
var oldValue = GM_getValue(prefName, prefValue);
if (prefValue != oldValue)
{
var defaultValue = prefs.get(prefName);
if (typeof(defaultValue) == "number") {
if (isNaN(prefValue)) {
alert("Non-numeric value '" + prefValue + "' is invalid for preference " + prefName);
return false; // continue on to next preference item
}
prefValue = parseFloat(prefValue);
}
if (typeof(prefValue) == "string")
log.info("Setting preference: " + prefName + " => '" + prefValue + "'");
else
log.info("Setting preference: " + prefName + " => " + prefValue);
prefs.set(prefName, prefValue);
}
});
}
}
// ==================== Collapsible object ====================
function Collapsible(theNode, collapserId, isPersistent)
{
this.node = theNode;
this.doc = extendDocument(theNode.ownerDocument);
if (collapserId == null) {
if (theNode.id == null)
collapserId = "collapser_" + generateUuid();
else
collapserId = theNode.id + "_collapser";
}
// maintain object reference(s) for callbacks
if (document.activeCollapsers == null) {
document.activeCollapsers = new Object();
}
document.activeCollapsers[collapserId] = this;
this.expand = function(event) {
collapsible = this;
if (event != null) {
var collapserId = event.target.parentNode.id;
collapsible = document.activeCollapsers[collapserId];
if (isPersistent) {
prefs.set(collapserId, true);
}
}
collapsible.node.show();
collapsible.expander.hide();
collapsible.collapser.show();
}
this.collapse = function(event) {
collapsible = this;
if (event != null) {
var collapserId = event.target.parentNode.id;
collapsible = document.activeCollapsers[collapserId];
if (isPersistent) {
prefs.set(collapserId, false);
}
}
collapsible.node.hide();
collapsible.collapser.hide();
collapsible.expander.show();
}
this.createController = function(func, base64) {
var img = this.doc.createXElement("img");
// img.title = label;
img.src = 'data:image/gif;base64,' + base64;
img.addEventListener('click', func, false);
with (img.style) {
cssFloat = "left";
left = "0px";
position = "absolute";
zIndex = 999;
}
return img;
}
var span = this.doc.createXElement("span", { id: collapserId });
this.node.prependSibling(span);
this.expander = this.createController(this.expand,
'R0lGODlhEAAQAKEDAAAA/wAAAMzMzP///yH5BAEAAAMALAAAAAAQABAAAAIhnI+pywOtwINHTmpvy3rx' +
'nnABlAUCKZkYoGItJZzUTCMFACH+H09wdGltaXplZCBieSBVbGVhZCBTbWFydFNhdmVyIQAAOw=='
);
span.appendChild(this.expander);
this.collapser = this.createController(this.collapse,
'R0lGODlhEAAQAKEDAAAA/wAAAMzMzP///yH5BAEAAAMALAAAAAAQABAAAAIdnI+py+0Popwx0RmEuiAz' +
'6jVS6HTaY5zoyrZuWwAAIf4fT3B0aW1pemVkIGJ5IFVsZWFkIFNtYXJ0U2F2ZXIhAAA7'
);
span.appendChild(this.collapser);
var isExpanded = false;
if (isPersistent) {
isExpanded = prefs.get(collapserId);
}
if (isExpanded)
this.expand()
else
this.collapse()
}
// ==================== DocumentContainer object ====================
/** Create and manage invisible iframe content loaded from an arbitrary URL.
* If the same URL is requested more than once, it is returned from cache.
* Example:
* var dc = new DocumentContainer();
* dc.loadFromSameOrigin("search.do?category=eligible",
* function(doc) {
* if (selectNode("//text()='Dilbert'", doc))
* alert("Hide your daughters!");
* }
* );
*/
function DocumentContainer(debugFlag)
{
var iframeCache = new Array();
this.debug = debugFlag;
this.loadFromSameOrigin = function(theUrl, theFunc)
{
var iframe = iframeCache[theUrl];
if (iframe != null) {
if (theFunc != null)
theFunc(iframe.contentDocument);
return;
}
var iframe = this.attachIframe(theUrl);
// wait for the DOM to be available, then dispatch
iframe.addEventListener(
"load",
function(evt) {
var theIframe = evt.currentTarget;
var therUrl = theIframe.contentWindow.location.href;
iframeCache[theUrl] = theIframe;
if (theFunc != null)
theFunc(theIframe.contentDocument);
},
false
);
// load the content
iframe.contentWindow.location.href = ajaxstaticUrl(theUrl);
}
this.loadFromForeignOrigin = function(theUrl, theFunc)
{
if (window != top) {
return; // prevent infinite recursion
}
var iframe = this.attachIframe(theUrl);
GM_xmlhttpRequest(
{
method: "GET",
url: ajaxstaticUrl(theUrl),
onload: function(details) {
// give it a URL so that it will create a .contentDocument property.
// Make it the same as the current page,
// Otherwise, same-origin policy would prevent us.
iframe.contentWindow.location.href = "http://tv.yahoo.com/";
// wait for the DOM to be available, then dispatch
iframe.addEventListener(
"DOMContentLoaded",
function() {
if (theFunc != null)
theFunc(iframe.contentDocument);
},
false
);
// write the received content into the document
iframe.contentDocument.open("text/html");
iframe.contentDocument.write(details.responseText);
iframe.contentDocument.close();
}
});
return iframe.contentDocument;
}
this.attachIframe = function(theUrl)
{
// create an IFRAME element to write the document into.
// It must be added to the document and rendered (eg, display != none)
// to be properly initialized.
var iframe = document.createElement("iframe");
iframe.id = "DocumentContainer_" + theUrl;
if (this.debug == null) {
iframe.width = 0;
iframe.height = 0;
iframe.style.visibility = "hidden";
}
else {
iframe.width = 800;
iframe.height = 700;
}
document.body.appendChild(iframe);
iframe.contentWindow.location.href = "about:blank";
return iframe;
}
// private helper methods
/** Add param to URL marking it as not to be re-processed.
*/
function ajaxstaticUrl(theUrl)
{
var newUrl = theUrl;
if (newUrl.indexOf("?") == -1)
newUrl += "?";
if (newUrl.indexOf("?") != newUrl.length-1)
newUrl += "&";
return newUrl + "ajaxstatic";
}
}
/** retrieve each document specified in the urlList
* invoking onloadFunc with each doc,
* and then finally invoking onrendezvousFunc with the assembled list of docs
*/
function withDocuments(urlList, onloadFunc, onrendezvousFunc)
{
var context = new Object();
context.resultDocList = new Array();
context.pendingCount = urlList.length;
for (var u in urlList)
{
var dc = new DocumentContainer();
dc.loadFromSameOrigin(urlList[u], function(curDoc)
{
var xdoc = extendImdbNameDocument(curDoc);
if (onloadFunc != null) {
onloadFunc(xdoc);
}
if (--context.pendingCount == 0) {
if (onrendezvousFunc != null) {
context.resultDocList.push(xdoc);
onrendezvousFunc(context.resultDocList);
}
}
});
}
}
/** Recursively retrieve each document specified in the urlList,
* then invoke the dispatch function with the list of loaded docs.
*/
function withDocumentsSerialized(urlList, func, docList)
{
var curUrl = urlList.shift();
if (docList == null)
docList = new Array();
var dc = new DocumentContainer();
dc.loadFromSameOrigin(curUrl, function(curDoc)
{
docList.push( extendImdbNameDocument(curDoc) );
if (urlList.length > 0)
withDocuments(urlList, func, docList);
else
func(docList);
});
}
// ==================== Logger object ====================
function Logger()
{
this.logLevels = ["ERROR", "WARN", "INFO", "DEBUG"];
this.level = null;
this.setLevel = function(level) {
this.level = level;
if (level >= 2)
GM_log("=== LOGGER LEVEL: " + this.logLevels[this.level] + " ===");
}
this.setLevel(arrayIndexOf(this.logLevels, prefs.get("loggerLevel")));
this.error = function(msg) { if (this.level >= 0) GM_log("ERROR: " + msg); }
this.warn = function(msg) { if (this.level >= 1) GM_log("WARN: " + msg); }
this.info = function(msg) { if (this.level >= 2) GM_log("INFO: " + msg); }
this.debug = function(msg) { if (this.level >= 3) GM_log("DEBUG: " + msg); }
this.getLogLevelMap = function() { return IdentityMapForArray(this.logLevels); };
}
// ==================== StopWatch object ====================
function StopWatch(desc)
{
this.desc = desc;
this.startTime = new Date();
this.prevTime = this.startTime;
this.lap = function(cmt) {
var curTime = new Date();
var lapTime = curTime - this.prevTime;
var cumTime = curTime - this.startTime;
var desc = this.desc;
if (cmt != null)
desc += " " + cmt;
log.debug(lapTime + "ms, (cumulative " + cumTime + "ms); " + desc);
this.prevTime = new Date();
}
}
// ==================== JavaScript object extenstions ====================
function extendJavascriptObjects()
{
// ---------- String extensions ----------
/** Format text content as it will appear on a page (before wrapping, etc).
*/
String.prototype.normalizeWhitespace = function()
{
text = this.replace(/\s+/g, " "); // reduce internal whitespace
text = text.replace(/ ([,;:\.!])/g, "$1"); // snug-up punctuation
return text.trimWhitespace();
}
/** Format text content as it will appear on a page (before wrapping, etc).
*/
String.prototype.trimWhitespace = function()
{
return this.replace(/^\s*/, "").replace(/\s*$/, "");
}
String.prototype.stripQuoteMarks = function()
{
text = this.replace(/"/g, "");
return text;
}
// ---------- Date extensions ----------
SECOND = 1000;
MINUTE = SECOND * 60;
HOUR = MINUTE * 60;
DAY = HOUR * 24;
WEEK = DAY * 7;
// Example, on the hour: floor(Date.HOUR)
Date.prototype.floor = function(unit) {
var floorMilli = Math.floor(this.getTime() / unit) * unit;
return new Date(floorMilli);
}
Date.prototype.add = function(millis) {
return new Date(this.getTime() + millis);
}
}
// ---------- Array helpers ----------
function arrayIndexOf(theList, value, attrName)
{
if (attrName == null) {
// by element value
for (var i in theList) {
if (theList[i] == value)
return i;
}
}
else {
if (typeof(value) == "object") {
// by corresponding attribute in value array
for (var i in theList) {
if (theList[i][attrName] == value[attrName])
return i;
}
}
else {
// by attribute value
for (var i in theList) {
if (theList[i][attrName] == value) {
return i;
}
}
}
}
return null;
}
function sortBy(theList, fieldList)
{
theList.sort( function(a, b)
{
for (var i in fieldList) {
if (a[fieldList[i]] < b[fieldList[i]]) return -1;
if (a[fieldList[i]] > b[fieldList[i]]) return 1;
}
return 0;
});
return theList;
}
function sortDescBy(theList, fieldList)
{
theList.sort( function(a, b)
{
for (var i in fieldList) {
if (a[fieldList[i]] > b[fieldList[i]]) return -1;
if (a[fieldList[i]] < b[fieldList[i]]) return 1;
}
return 0;
});
return theList;
}
function numericComparatorAsc(a, b) {
return (a-b);
}
function numericComparatorDesc(a, b) {
return (b-a);
}
/** .
*/
function IdentityMapForArray(ary)
{
var map = new Array();
for (i in ary) {
map[ary[i]] = ary[i];
}
return map;
}
/** Create a new Array with pre-defined numeric indices,
* (ie, ready for inserts to random indices).
*/
function initArrayIndices(count) {
var a = new Array(count);
for (var i = 0; i < count; i++) {
a[i] = null;
}
return a;
}
/** Dispatch processing for each grouping of elements based upon the named field.
*/
function foreachGrouping(theList, attrName, func)
{
var curList = new Array();
var prevValue = null;
for (var i in theList)
{
if (theList[i][attrName] != prevValue)
{
if (curList.length > 0) {
func(curList);
}
curList = new Array();
}
curList.push(theList[i]);
prevValue = theList[i][attrName];
}
}
// ==================== UrlParser object ====================
/** Parsing and formatting of URLs.
* url, params; scheme, host, port, path
*/
function UrlParser(urlString)
{
var urlParts = urlString.split("?");
this.url = urlParts[0];
this.parms = new Array();
// parse query params into name/value associative list
if (urlParts[1]) {
var queryItems = urlParts[1].split("&");
for (var i in queryItems) {
var parm = queryItems[i].split("=");
this.parms[unescape(parm[0])] = unescape(parm[1]);
// convert to numeric if appropriate
var num = parseInt(parm[1]);
if (!isNaN(num) && parm[1].substring(0, 1) != "0") {
this.parms[unescape(parm[0])] = num;
}
}
}
// parse http://domain/path into scheme, domain, path
this.url.match(/(\w+):\/\/([\w\.]+)(\/.*)/);
this.scheme = RegExp.$1;
this.host = RegExp.$2;
this.path = RegExp.$3;
// METHODS
// assemble the query part of the URL
this.getQuery = function()
{
queryItems = new Array();
for (var p in this.parms) {
if (this.parms[p])
queryItems.push(escape(p) + "=" + escape(this.parms[p]));
}
if (queryItems.length == 0) {
return "";
}
else {
return "?" + queryItems.join("&");
}
}
// assemble the whole URL
this.toString = function()
{
return this.url + this.getQuery();
}
}
// --------------- helper functions ---------------
/** Lookup preference setting and conditionally execute with error handling.
*/
function dispatchFeature(feaureName, func)
{
if (prefs.get(feaureName))
{
tryCatch("feature: " + feaureName, func);
}
}
/** Provide debug info if function throws an exception.
*/
function tryCatch(desc, func)
{
try { func(); }
catch(err) {
log.error(
"exception @ " + err.lineNumber + " [" + desc + "]" + " : " + err + "\n"
+ genStackTrace(arguments.callee)
);
}
}
// --------------- Stack Trace ---------------
function genStackTrace(func)
{
var depthLimit = 20;
var stackTrace = "Stack trace:\n";
while (func != null) {
if (--depthLimit < 0) {
stackTrace += "more ...\n";
break;
}
stackTrace += "called by: " + getFunctionSignature(func) + "\n";
// TBD: line# within func
func = func.caller;
}
return stackTrace + "\n\n";
}
function getFunctionSignature(func)
{
var signature = getFunctionName(func);
signature += "(";
for (var i = 0; i < func.arguments.length; i++)
{
// trim long arguments
var nextArgument = func.arguments[i];
if(nextArgument.length > 30)
nextArgument = nextArgument.substring(0, 30) + "...";
// apend the next argument to the signature
signature += "'" + nextArgument + "'";
// comma separator
if (i < func.arguments.length - 1)
signature += ", ";
}
signature += ")";
return signature;
}
function getFunctionName(func)
{
// mozilla makes it easy
if(func.name != null) {
return func.name;
}
// try to parse the function name from the defintion
var definition = func.toString();
var name = definition.substring(
definition.indexOf('function') + 8,
definition.indexOf('(')
);
if (name != null)
return name;
// sometimes there won't be a function name (eg, dynamic functions)
return "anonymous";
}
