// ==UserScript==
// @name           TW Gemakkelijk goudmunten slaan
// @description    Vervangt de link "Maximaal aantal selecteren" door een menu met precieze keuze voor het (op)slaan van goudmunten/pakketten.
// @author         Michael Richter
// @version        0.1.20100504
// @namespace      http://osor.de/
// @include        http://nl*.tribalwars.nl/game.php?*screen=snob&mode=reserve*
// @include        http://nl*.tribalwars.nl/game.php?*screen=snob&mode=coin*
// ==/UserScript==
//Vertaald uit het Duits door: Lekensteyn (http://home.deds.nl/~lekensteyn/)
// -----------------------------------------------------------------------------
//            Veranderingen en uitbreidingen aan deze script vereist
//                   de toestemming van de auteur (Michael Richter)
// -----------------------------------------------------------------------------

(function(){
	if(/screen=snob&mode=(reserve|coin)/.test(location.href)) {
	
		function selectReserve() {
			var chooser2 = document.getElementById('chooser' + (this.id == 'chooser1' ? '2' : '1'));
			chooser2.removeEventListener('change', selectReserve, false);
			chooser2.selectedIndex = this.selectedIndex;
			chooser2.addEventListener('change', selectReserve, false);
			var value = this.value.substr(2),
				selects = document.getElementsByName('villages')[0].getElementsByTagName('select'),
				sum = 0;
			for(var i = 0; i < selects.length; i++) {
				if(selects[i].id == 'chooser1' || selects[i].id == 'chooser2') {
					continue;
				}
				if(value == 'none') {
					selects[i].options[selects[i].options.length - 1].selected = true;
				} else if(value == 'all') {
					selects[i].options[selects[i].options.length - 2].selected = true;
				} else if(value.substr(value.length - 1, 1) == 'x') {
				  if(13 - (selects[i].options.length - 1) < parseInt(value, 10)) {
					selects[i].options[parseInt(value, 10) - (13 - (selects[i].options.length - 1)) - 1].selected = true;
					} else {
					  selects[i].options[selects[i].options.length - 1].selected = true;
					}
				} else if(value > 0) {
					if(selects[i].options.length - 1 < value) {
						selects[i].options[selects[i].options.length - 2].selected = true;
					} else {
						selects[i].options[value - 1].selected = true;
					}
				} else if(value < 0) {
					if(selects[i].options.length - 2 < -value) {
						selects[i].options[selects[i].options.length - 1].selected = true;
					} else {
						selects[i].options[selects[i].options.length - 2 + parseInt(value, 10)].selected = true;
					}
				}
				sum += parseInt(selects[i].value, 10);
			}
			document.getElementById('selectedBunches_top').innerHTML = sum;
			document.getElementById('selectedBunches_bottom').innerHTML = sum;
		}
		
		var chooser = document.evaluate('//table[@class="main"]/tbody/tr/td/table[2]/tbody/tr/td[2]/form/table/tbody/tr/td[2]', document, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
		var chooser2 = document.evaluate('//table[@class="main"]/tbody/tr/td/table[2]/tbody/tr/td[2]/form/table/tbody/tr[last()]/td[2]', document, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
		
		if(chooser && chooser.snapshotLength > 0) {
			chooser = chooser.snapshotItem(0);
			chooser2 = chooser2.snapshotItem(0);
			chooser.removeChild(chooser.firstChild);
			chooser2.removeChild(chooser2.firstChild);
			var div = document.createElement('div');
			div.innerHTML = '<select id="chooser1">' +
											'<option value="0;none">- Geen -</option>' +
											'<option value="0;all">- Alles -</option>' +
											'<optgroup label="Absolute hoeveelheden">' +
											'<option value="0;1">1x</option>' +
											'<option value="0;2">2x</option>' +
											'<option value="0;3">3x</option>' +
											'<option value="0;4">4x</option>' +
											'<option value="0;5">5x</option>' +
											'<option value="0;6">6x</option>' +
											'<option value="0;7">7x</option>' +
											'<option value="0;8">8x</option>' +
											'<option value="0;9">9x</option>' +
											'<option value="0;10">10x</option>' +
											'<option value="0;11">11x</option>' +
											'<option value="0;12">12x</option>' +
											'<option value="0;13">13x</option>' +
											'</optgroup><optgroup label="Absoluut maximum">' +
											'<option value="0;1x">1x</option>' +
											'<option value="0;2x">2x</option>' +
											'<option value="0;3x">3x</option>' +
											'<option value="0;4x">4x</option>' +
											'<option value="0;5x">5x</option>' +
											'<option value="0;6x">6x</option>' +
											'<option value="0;7x">7x</option>' +
											'<option value="0;8x">8x</option>' +
											'<option value="0;9x">9x</option>' +
											'<option value="0;10x">10x</option>' +
											'<option value="0;11x">11x</option>' +
											'<option value="0;12x">12x</option>' +
											'<option value="0;13x">13x</option>' +
											'</optgroup><optgroup label="Relatief maximum">' +
											'<option value="0;-12">Max - 12</option>' +
											'<option value="0;-11">Max - 11</option>' +
											'<option value="0;-10">Max - 10</option>' +
											'<option value="0;-9">Max - 9</option>' +
											'<option value="0;-8">Max - 8</option>' +
											'<option value="0;-7">Max - 7</option>' +
											'<option value="0;-6">Max - 6</option>' +
											'<option value="0;-5">Max - 5</option>' +
											'<option value="0;-4">Max - 4</option>' +
											'<option value="0;-3">Max - 3</option>' +
											'<option value="0;-2">Max - 2</option>' +
											'<option value="0;-1">Max - 1</option>' +
											'</optgroup>' +
											'</select>';
			chooser.appendChild(div);
			var div2 = div.cloneNode(true);
			div2.firstChild.id = 'chooser2';
			chooser2.appendChild(div2);
			chooser.firstChild.firstChild.addEventListener('change', selectReserve, false);
			chooser2.firstChild.firstChild.addEventListener('change', selectReserve, false);
		}
	}
})();