jira_planning_view_tasks_block_colours.user.js

// ==UserScript==
// @name           jira_planning_view_tasks_block_colours
// @namespace      http://example.com
// @description    TODO
// @include        *http://jira4.nap/*

// ==/UserScript==

/*

DESCRIPTION:

Give the tasks on Jira's "Task Board" (List View) solid background colours.

This is much better than Jira's built-in: 
Tools | User Preferences | General | Look and Feel | Background Colour 
...because those colours are too faint to see.

SEE ALSO:

Reference documentation for "document.evaluate":
https://developer.mozilla.org/en/docs/Introduction_to_using_XPath_in_JavaScript

*/

// keep tampermonkey syntax checker happy:
$ = $;

// The divs with the Jira ticket number in
var allDivs1 = document.evaluate('//div[@class="gh-subhead"]', document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
// Change the background colour of the ticket number div
for (var i=0;i<allDivs1.snapshotLength;i++) {
    var thisDiv = allDivs1.snapshotItem(i);
    var bgcolour = thisDiv.parentNode.style.getPropertyValue('background-color');
	thisDiv.style.setProperty('background-color', bgcolour);
    console.log("div bgcolor -> "+bgcolour);
    console.log(thisDiv);
}

// The divs with the ticket summary in
var allDivs2 = document.evaluate('//div[@title="Summary"]', document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
// Change the background colour of the ticket summary div
for (var i=0;i<allDivs2.snapshotLength;i++) {
    var thisDiv = allDivs2.snapshotItem(i);
    var bgcolour = thisDiv.parentNode.parentNode.parentNode.style.getPropertyValue('background-color');
	thisDiv.style.setProperty('background-color', bgcolour);
    console.log("div bgcolor -> "+bgcolour);
    console.log(thisDiv);