User:Writ Keeper/Scripts/commonHistory.js

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diffRequestLocked = "f";
if(typeof inspectText == "undefined")
{
	inspectText = "inspect diff";
}
if(typeof showText == "undefined")
{
	showText = "show diff";
}
if(typeof hideText == "undefined")
{
	hideText = "hide diff";
}
if(	wgCanonicalSpecialPageName == "Watchlist" || 
	wgCanonicalSpecialPageName == "Recentchanges" || 
	wgCanonicalSpecialPageName == "Contributions" ||
	(wgAction == "history" && !(/(.js|.css)$/.test(wgPageName))))
{
	function inspectionEachHelper(index, element)
	{
		var findString;
		if(wgAction == "history")
		{
			findString = 'a:contains("prev")';
		}
		else
		{
			findString = 'a:contains("diff")';
		}
		
		var regex;
		
		if(wgCanonicalSpecialPageName == "Contributions")
		{
			regex = /&oldid=(\d+)$/;
			
		}
		else
		{
			regex = /&diff=(\d+)&oldid=/;
		}
				var diffLink = $(element).find(findString);
				if(diffLink.length > 0 && !(/(.js|.css)$/.test(diffLink[0].title)))
				{
					var diffID = regex.exec(diffLink[0].href)[1];
					var inlineDiffButton;
					if(typeof inlineDiffBigUI === "undefined")
					{ 
						inlineDiffButton = document.createElement("a");
						inlineDiffButton.href = "#";
						inlineDiffButton.innerHTML = '<b><span style="color:black;"> [</span><span style="color:#339900;">'+inspectText+'</span><span style="color:black;">] </span></b>';
					}
					else
					{
						inlineDiffButton = document.createElement("input");
						inlineDiffButton.type = "button";
						inlineDiffButton.value = "Inspect edit";
					}
					inlineDiffButton.id = diffID;
					$(inlineDiffButton).click(function(){ return inspectWatchlistDiff(this);});
					if($(element).find("tr:first").length == 0)
					{
						element.appendChild(inlineDiffButton);
					}
					else
					{
						$(element).find("tr:first").append("<td></td>");
						$(element).find("tr:first>td:last").append(inlineDiffButton);
					}
				}
	}
	function addWatchlistInspectionBoxes() {
	
		
		var entries = $("#mw-content-text table.mw-enhanced-rc");
		if(entries.length == 0)
		{
			$("#mw-content-text ul").each(function(ind, el)
			{
				$(el).children("li").each(inspectionEachHelper);
			});
		}
		else
		{
			entries.each(inspectionEachHelper);
		}
		mw.loader.load('mediawiki.action.history.diff');
	}
 
	function inspectWatchlistDiff(button)
	{
		if(diffRequestLocked === "t")
		{
			alert("An old request is still being processed, please wait...");
			return false;
		}
		else
		{
			diffRequestLocked = "t";
			$.getJSON("/w/api.php?action=query&prop=revisions&format=json&rvprop=timestamp&rvdiffto=prev&revids="+button.id, function(response, status)
			{
 				if(response == null)
				{
					alert("Request failed!");
					diffRequestLocked = "f";
					return false;
				}

				var diffString = response.query.pages[Object.keys(response.query.pages)[0]].revisions[0].diff["*"];
 
				if(diffString == null)
				{
					alert("Request failed!");
					diffRequestLocked = "f";
					return false;
				}
 
				var newTable = document.createElement("table");
				newTable.className = "diff";
 				$(newTable).html('<colgroup><col class="diff-marker"><col class="diff-content"><col class="diff-marker"><col class="diff-content"></colgroup>');
 
				$(newTable).append(diffString);
				if($("#mw-content-text table.mw-enhanced-rc").length > 0)
				{
					$("#"+ button.id).parents("table.mw-enhanced-rc:first").after(newTable);
				}
				else
				{
					$(newTable).insertAfter("#"+ button.id);
				}
				newTable.id = button.id + "display";
	
				$(button).unbind("click");
				if(typeof inlineDiffBigUI === "undefined")
				{
					$(button).html('<b><span style="color:black;"> [</span><span style="color:#339900;">'+hideText+'</span><span style="color:black;">] </span></b>');
					$(button).click(function(){ return hideSmallEditInspection(this);});
				}
				else
				{
					$(button).attr("value","Hide edit");
					$(button).click(function(){ return hideEditInspection(this);});
				}
 
				diffRequestLocked = "f";
			});
	
		}
		return false;
	}
 
	function showEditInspection(button)
	{
		$("#"+button.id+"display").css("display", "");
		$(button).attr("value","Hide edit");
		$(button).unbind("click");
		$(button).click(function(){ return hideEditInspection(this);});
		return false;
	}
 
	function hideEditInspection(button)
	{
		$("#"+button.id+"display").css("display", "none");
		$(button).attr("value","Show edit");
		$(button).unbind("click");
		$(button).click(function(){ return showEditInspection(this);});
		return false;
	}

	function showSmallEditInspection(button)
	{
		$("#"+button.id+"display").css("display", "");
		$(button).html('<b><span style="color:black;"> [</span><span style="color:#339900;">'+hideText+'</span><span style="color:black;">] </span></b>');
		$(button).unbind("click");
		$(button).click(function(){ return hideSmallEditInspection(this);});
		return false;
	}
		
	function hideSmallEditInspection(button)
	{
		$("#"+button.id+"display").css("display", "none");
		$(button).html('<b><span style="color:black;"> [</span><span style="color:#339900;">'+showText+'</span><span style="color:black;">] </span></b>');
		$(button).unbind("click");
		$(button).click(function(){ return showSmallEditInspection(this);});
		return false;
	}

	$(document).ready(addWatchlistInspectionBoxes);
}