// ==UserScript==
// @name ITA Polish v1.4
// @namespace http://johnath.com/ita
// @description A script that polishes up the matrix.itasoftware search pages.
// @include http://matrix.itasoftware.com/*
// ==/UserScript==
/*
Copyright Johnathan Nightingale, 2007
Change History:
v1.4 - Added extra webflyer params field (initially just minimum mileage per segment)
v1.3 - Added support for more custom windows in 30 day search
v1.2 - Added link to advanced query construction
v1.1 - Bug fix, add titles to generated airport icons
v1.0 - Original Release, supporting airport lookup, auto-fill of preferred/sales city
and WebFlyer links
*/
/*******************************************************/
/* Useful constants. You may want to customize these. */
const PREFERRED_SALES_CITY = "YYZ";
const PREFERRED_DEPARTURE_CITY = PREFERRED_SALES_CITY; // Usually a safe guess
// Original credit http://www.ratg.org/images/floaters/icons/airport_icon.gif
const ENABLE_AIRPORT_ICON = true;
const AIRPORT_ICON = "http://johnath.com/extras/airport_icon.gif";
const AIRPORT_CODESHEET = "http://www.orbitz.com/pagedef/content/air/airportCodes.jsp?popupsDisabled=false";
// Used to add mileage calc links to search results
const ENABLE_MILEAGE_LINKS = true;
const EXTRA_WEBFLYER_PARAMS = 'min=500';
const MILEAGE_CALCULATOR_URL = 'http://webflyer.com/travel/milemarker/getmileage.php?' + EXTRA_WEBFLYER_PARAMS + '&city=';
const MILEAGE_CALCULATOR_DELIM = '&city=';
// Used to add a link to the action bar along the top right directly to query construction
const ADVANCED_QUERY_HELP_URL = 'http://matrix.itasoftware.com/cvg/dispatch/help/advanced-topics';
/* Probably nothing worth customizing below this line -- */
/*********************************************************/
/*****************************************/
/* Auto-set default sales/departure city */
/*****************************************/
var salesCity = document.getElementsByName("cvgQuery.salesCity")[0];
if(salesCity) {
salesCity.value = PREFERRED_SALES_CITY;
}
// Departure city is one of two names depending on the type of search being done
var departureCity = document.getElementsByName("cvgQuery.outboundSlice.originSet.userInput")[0] ||
document.getElementsByName("cvgQuery.sliceArray[0].originSet.userInput")[0];
if(departureCity) {
departureCity.value = PREFERRED_DEPARTURE_CITY;
}
/****************************/
/* Add airport lookup popup */
/****************************/
// Convenience method to build the HTML for an airport lookup page popup
function buildAirplaneLink() {
// Build an anchor-wrapped img tag that launches the airport code ref
var anchorTag = document.createElement("a");
anchorTag.addEventListener("click", function() {
window.open(AIRPORT_CODESHEET, "", "width=600px, height=600px, resizable, scrollbars=yes")
}, true);
anchorTag.target = "_top";
anchorTag.href = "#";
anchorTag.title = "Airport Code Reference";
var imgTag = document.createElement("img");
imgTag.src = AIRPORT_ICON;
imgTag.width = 16;
imgTag.height = 16;
imgTag.border = 0;
imgTag.style.padding = "4px 0px 0px 2px";
anchorTag.appendChild(imgTag);
return anchorTag;
}
// Add airport lookup after departure and return city inputs
if(ENABLE_AIRPORT_ICON && departureCity) {
departureCity.parentNode.insertBefore(buildAirplaneLink(), departureCity.nextSibling);
}
var returnCity = document.getElementsByName("cvgQuery.outboundSlice.destinationSet.userInput")[0];
if(ENABLE_AIRPORT_ICON && returnCity) {
returnCity.parentNode.insertBefore(buildAirplaneLink(), returnCity.nextSibling);
}
/****************************************************/
/* Add link to Advanced Query Construction help doc */
/****************************************************/
// Only add this to the action bar on search pages
if(document.URL.indexOf('http://matrix.itasoftware.com/cvg/dispatch/prego') >= 0) {
// We want to add an entry to the table created at the top right as a command bar
var commandBarTable = document.getElementsByTagName('table')[0];
var anchors = commandBarTable.getElementsByTagName('a');
for(a = 0; a < anchors.length; a++) {
if(anchors[a].href.indexOf('/cvg/dispatch/help') >= 0) {
// This is the existing help link. Insert a couple of extra nodes in after this one, with
// our second help link
var parentNode = anchors[a].parentNode;
var nextSibling = anchors[a].nextSibling;
var newLink = document.createElement('a');
newLink.href = ADVANCED_QUERY_HELP_URL;
newLink.innerHTML = "Advanced Query Help";
newLink.target = "_blank";
// Now insert a spacer and our new help link
parentNode.insertBefore(document.createTextNode(" - "), nextSibling);
parentNode.insertBefore(newLink, nextSibling);
break;
}
}
}
/***********************************************************************/
/* Add WebFlyer links to search results (to calculate total mileage) */
/***********************************************************************/
if(ENABLE_MILEAGE_LINKS &&
((document.URL.indexOf("http://matrix.itasoftware.com/cvg/dispatch/bonsaiproxy/bsp") >= 0) ||
(document.URL.indexOf("http://matrix.itasoftware.com/cvg/dispatch/bonsaiproxy/ps") >= 0))) {
// This is a search results pane. Basically it's just a big table, with one itinerary per row.
// Our approach will be to iterate over the list of <tr>'s, and for each one, add a new <td> to the end
// with webflyer links. Building the webflyer links requires us to know which cities are visited,
// so stay tuned for crazy parse semantics. Note that the for loop skips the first row, since that is
// column headers
var trList = document.body.getElementsByTagName("tr");
for(i = 1; i < trList.length; i++) {
var currentRow = trList[i];
var tdList = currentRow.getElementsByTagName("td");
// Each row has several <td>'s in it, unsurprisingly. The ones we care about are
// the 5th (index 4) which contains origins and destinations, and the 6th (index 5)
// which has information about layovers. The site is helpful enough to wrap all airport
// codes in <span> tags with title text to allow for tooltips -- this also makes it easy for us
// to extract airport codes since we can just pull the text content of each span tag. We don't
// know how many legs the trip will have - 1 (one-way), 2 (round trip) and N (multi-leg) are possible,
// so we store the legs in an array, and keep track of which leg we're currently working with
var legs = new Array();
legs[0] = new Array();
var currentLeg = 0;
// Parse the origin/destination column
for(tdChild = 0; tdChild < tdList[4].childNodes.length; tdChild++) {
var nextChild = tdList[4].childNodes[tdChild];
if(nextChild.tagName == "SPAN") {
// Span tags have airport codes as children, push the content to the appropriate list
legs[currentLeg].push(nextChild.innerHTML);
} else if (nextChild.tagName == "BR") {
// A <br> tag separates each travel leg, so we must be done with the previous leg
currentLeg++;
legs[currentLeg] = new Array();
}
}
// We now have a complete list of travel legs, but each leg could include multiple layovers.
// Scan the layover column for additional stops, and insert them into the appropriate legs. Reset
// the currentLeg counter since we're starting from the beginning again.
currentLeg = 0;
for(tdChild = 0; tdChild < tdList[5].childNodes.length; tdChild++) {
var nextChild = tdList[5].childNodes[tdChild];
if(nextChild.tagName == "SPAN") {
// We have a layover. We want to add it to the end of the list, except that we already have
// the final destination on the end, so pop that into a temp var first
var dest = legs[currentLeg].pop();
legs[currentLeg].push(nextChild.innerHTML);
legs[currentLeg].push(dest);
} else if (nextChild.tagName == "BR") {
currentLeg++;
}
}
// The list is complete. Add a TD to this row and within it add webflyer links for each leg.
var newTD = document.createElement("td");
for(leg = 0; leg < legs.length; leg++) {
if(legs[leg] && legs[leg].length > 0) {
var newAnchor = document.createElement("a");
newAnchor.href = MILEAGE_CALCULATOR_URL + legs[leg].join(MILEAGE_CALCULATOR_DELIM);
newAnchor.setAttribute("style", "text-decoration: none;");
newAnchor.innerHTML = "WebFlyer for " + legs[leg].join();
newTD.appendChild(newAnchor);
newTD.appendChild(document.createElement('br'));
}
}
currentRow.appendChild(newTD);
}
}
/**********************************************************/
/* Augment the list of available windows in 30 day search */
/**********************************************************/
var flexDateCombo = document.getElementsByName('cvgQuery.flexDateDuration')[0];
if(flexDateCombo && flexDateCombo.tagName == "SELECT") {
// We found our combo box, add some other useful values. Insert them second in the list, since having 1
// week at the top of the list still makes sense
var insertionPoint = flexDateCombo.firstChild.nextSibling;
// Two week option
var newOption = document.createElement('option');
newOption.value = '13-15';
newOption.innerHTML = 'about 2 weeks (13-15)';
flexDateCombo.insertBefore(newOption, insertionPoint);
// Three week option
newOption = document.createElement('option');
newOption.value = '20-22';
newOption.innerHTML = 'about 3 weeks (20-22)';
flexDateCombo.insertBefore(newOption, insertionPoint);
// Custom option (defaults to 1-1, but basically exists to trigger the listener which plugs in
// your own values - see below)
newOption = document.createElement('option');
newOption.value = '1-1';
newOption.innerHTML = 'Custom...';
flexDateCombo.insertBefore(newOption, insertionPoint);
// 0-1 night option
newOption = document.createElement('option');
newOption.value = '0-1';
newOption.innerHTML = '0-1 nights';
flexDateCombo.insertBefore(newOption, insertionPoint);
flexDateCombo.addEventListener("change", function(e) {
// If the user selected custom, prompt them and build a new option
var target = e.currentTarget;
if(target.selectedIndex >= 0 && target.options[target.selectedIndex].text == 'Custom...') {
var fromNights = window.prompt("Building Custom interval. From how many nights?");
if(!fromNights) {
target.selectedIndex = 0;
return;
}
var toNights = window.prompt("To how many nights?");
if(!toNights) {
target.selectedIndex = 0;
return;
}
var newOption = document.createElement('option');
newOption.value = fromNights + '-' + toNights;
newOption.innerHTML = 'Custom (' + newOption.value + ')';
target.appendChild(newOption);
target.selectedIndex = target.options.length - 1;
}
}, true);
}
