// ==UserScript==
// @name wu::forums Ignore User Script
// @description Removes posts made by the ignored user from display
// @include http://www.ocf.berkeley.edu/~wwu/cgi-bin/yabb/YaBB.cgi?board=*;*
// ==/UserScript==
// Author : Arun Iyer aka TenaliRaman

var eventUtils = {
	// cross-platform event registration
	// I stole this function from SMQ's script
	// Sorry, SMQ ;)
	addEventListener: function (object, event, eventHandler) {
		if (object.addEventListener) {
			object.addEventListener(event, eventHandler, false);
		} else if (object.attachEvent) {
			object.attachEvent("on" + event, eventHandler);
		} else if (typeof object["on" + event] != "undefined") {
			var prevfn = object["on" + event];
			// yea for closures
			object["on" + event] = function (e) {
				eventHandler(e);
				if (typeof prevfn == "function") {
					return prevfn(e);
				} else {
					eval(prevfn);
				}
			}
		} else {
			object["on" + event] = eventHandler;
		}
	}
}

var wuForumsIgnoreUsers = {
	show: function(e) {
		var event = e ? e : window.event;
		var target = event.target ? event.target : event.srcElement;
		var id = target.id;
		var strArray = id.split(":", 2);
		var elementId = strArray[1];
		var element = document.getElementById(elementId);
		element.style.display = "block";
	},

	hide: function(e) {
		var event = e ? e : window.event;
		var target = event.target ? event.target : event.srcElement;
		var id = target.id;
		var strArray = id.split(":", 2);
		var elementId = strArray[1];
		var element = document.getElementById(elementId);
		element.style.display = "none";
	},

	init: function() {
		var anchors = document.getElementsByTagName("a");
		var count = 0;
		for(var i = 0; i < anchors.length; i++) {
			var href = anchors[i].href;
			if(href.search(/username=srn347/i) != -1) {
				//Found the iggy's post
				count++;

				//Travelling to the post' parentNode
				var firstTable = anchors[i].parentNode.parentNode.parentNode;
				var secondTable = firstTable.parentNode.parentNode.parentNode;
				var thirdTable = secondTable.parentNode.parentNode.parentNode;

				//Giving the post a new shining ID
				var id = "removedPost" + count;

				thirdTable.id = id;
				//Making the post disappear
				thirdTable.style.display = "none";
				
				//Creating a button that will display the post if necessary
				var buttonShow = document.createElement("img");
				buttonShow.id = "showButton:" + id;
				buttonShow.src="http://www.ocf.berkeley.edu/~wwu/YaBBImages/shocked.gif";
				eventUtils.addEventListener(buttonShow, 'click', this.show);

				//Creating a text description of the button
				var showText = document.createElement("span");
				showText.id = "showText:" + id;
				showText.innerHTML = "Show";
				showText.display = "block";
				eventUtils.addEventListener(showText, 'click', this.show);

				//Creating a button that will hide the post again
				var buttonHide = document.createElement("img");
				buttonHide.id = "hideButton:" + id;
				buttonHide.src="http://www.ocf.berkeley.edu/~wwu/YaBBImages/wink.gif";
				eventUtils.addEventListener(buttonHide, 'click', this.hide);

				//Creating a text description of the button
				var hideText = document.createElement("span");
				hideText.id = "hideText:" + id;
				hideText.innerHTML = "Hide";
				hideText.display = "block";
				eventUtils.addEventListener(hideText, 'click', this.hide);

				var breakLine = document.createElement("br");

				var postParent = thirdTable.parentNode;
				postParent.insertBefore(breakLine, thirdTable);
				postParent.insertBefore(hideText, breakLine);
				postParent.insertBefore(buttonHide, hideText);
				postParent.insertBefore(showText, buttonHide);
				postParent.insertBefore(buttonShow, showText);
			}
		}
	}
}

wuForumsIgnoreUsers.init();