Source for "TwitterIgnore"

By Paul Tweedy
Has no other scripts.
// ==UserScript==
// @name          TwitterIgnore
// @namespace     http://www.70cities.net
// @description   Script to let you ignore people in your recent Tweet list without removing them from your follow list. They'll still show up in any feeds and whatnot, but your main Twitter home screen will be devoid of their guff.
// @include       http://twitter.com/home*
// @include       http://www.twitter.com/home*
// ==/UserScript==
//
// Author: Paul Tweedy <paul at 70cities dot net> | http://www.70cities.net
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

var maxUsernameIdx = 4;

// Page HTML/CSS/JS injection

var editDiv = document.createElement('div');
editDiv.setAttribute('id', 'overlay');
var divtext = " <div style='margin-top:100px;'><b>TwitterIgnore v0.2</b><br/>" +
	          ' <b>Choose usernames to kill:</b> ' + 
			  ' <form action="#">' +
			  ' 1. <input type="text" size="20" name="pt_user0" id="pt_user0"> <br/>' +
              ' 2. <input type="text" size="20" name="pt_user1" id="pt_user1"> <br/>' +
              ' 3. <input type="text" size="20" name="pt_user2" id="pt_user2"> <br/>' +
              ' 4. <input type="text" size="20" name="pt_user3" id="pt_user3"> <br/>' +
              ' 5. <input type="text" size="20" name="pt_user4" id="pt_user4"> <br/> </form> ' +
              ' <a href="#" id="pt_modalsubmit">Update</a> | <a href="#" id="pt_modalcancel">Cancel</a></div>';
editDiv.innerHTML = divtext;

document.getElementsByTagName('body')[0].appendChild(editDiv);

var editCSS = ' #overlay { display: none; position: absolute; left: 0px; top: 0px; ' +
    		  ' width:100%; height:100%; text-align:center; z-index: 1000; background-color:#eee;' +
    		  ' opacity: 0.8; filter:alpha(opacity=0); -moz-opacity: 0; }' +
              ' #overlay div { width:300px; margin: 200px auto; margin-top: 200px; background-color: #fff; ' +
              ' border:1px solid #000; padding:15px; text-align:center }';

addGlobalStyle(editCSS);


// Dialog Box

function setModalOpacity (val, node) {
	mozopac = val / 100;
	node.style.MozOpacity = mozopac;

}

function showModal () {
	xyz = document.getElementById("overlay");	
	// Populate form
	user = GM_getValue('userlist2');
	user = user + ',';  // Gaaah
	userarr = user.split(",");
	for (var n = 0; n < userarr.length-1; n++) {
		input = document.getElementById('pt_user'+n);
		input.value = userarr[n];
	}
	
	if (xyz.style.display == "block") {	
		setTimeout(function() { setModalOpacity(80,xyz) },100)	
		setTimeout(function() { setModalOpacity(70,xyz) },200)	
		setTimeout(function() { setModalOpacity(60,xyz) },300)	
		setTimeout(function() { setModalOpacity(50,xyz) },400)	
		setTimeout(function() { setModalOpacity(40,xyz) },500)	
		setTimeout(function() { setModalOpacity(30,xyz) },600)	
		setTimeout(function() { setModalOpacity(20,xyz) },700)	
		setTimeout(function() { setModalOpacity(10,xyz) },800)	
		setTimeout(function() { xyz.style.display = "none"; },900)
	} else {
		xyz.style.display = "block";
		setTimeout(function() { setModalOpacity(10,xyz) },100)	
		setTimeout(function() { setModalOpacity(20,xyz) },200)	
		setTimeout(function() { setModalOpacity(30,xyz) },300)	
		setTimeout(function() { setModalOpacity(40,xyz) },400)	
		setTimeout(function() { setModalOpacity(50,xyz) },500)	
		setTimeout(function() { setModalOpacity(60,xyz) },600)	
		setTimeout(function() { setModalOpacity(70,xyz) },700)	
		setTimeout(function() { setModalOpacity(80,xyz) },800)
		setTimeout(function() { setModalOpacity(90,xyz) },900)
	}
}


function setUsernames () {
	var userArr = [];
	for (var n = 0; n < maxUsernameIdx; n++) {
		input = document.getElementById('pt_user'+n);
		if (input.value != '') {
			userArr.push(input.value);
		}
	}
	GM_setValue('userlist2', userArr.join(','));
	showModal();
	main();
}	

GM_registerMenuCommand("Edit Usernames..", function() { showModal() } );

var modalsubmit = document.getElementById('pt_modalcancel');
modalsubmit.addEventListener('click', showModal, true);

var modalsubmit = document.getElementById('pt_modalsubmit');
modalsubmit.addEventListener('click', setUsernames, true);

if (GM_getValue('userlist2') == undefined) {
	editUsernames();
}


main();


function main () {
	user = GM_getValue('userlist2');
	user = user + ',';  // Gaaah
	userarr = user.split(",");
	for (var n = 0; n < userarr.length-1; n++) {
		//alert("Killing "+userarr[n]);
		killUserTwits(userarr[n]);	
	}
}

function killUserTwits (username) {
	var allContentNodes, thisNode;	
	allContentNodes = document.evaluate(
	    "//tr[@class='hentry_hover']/td[@class='content']/strong/a[@href='http://twitter.com/"+username+"']",
	    document,
	    null,
	    XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,
	    null);
	    
	//alert("Found "+allContentNodes.snapshotLength+" nodes");
	    
	for (var i = 0; i < allContentNodes.snapshotLength; i++) {
	    thisNode = allContentNodes.snapshotItem(i);
	    tr = findParentTr(thisNode);
	    tr.style.display = 'none';
	}
}

function findParentTr (node) {
		p = node.parentNode;
		if (p.tagName == 'TR') {
			return p;	
		} else {
			return findParentTr(p);	
		}
}


function addGlobalStyle(css) {
    var head, style;
    head = document.getElementsByTagName('head')[0];
    if (!head) { return; }
    style = document.createElement('style');
    style.type = 'text/css';
    style.innerHTML = css;
    head.appendChild(style);
}