/*
* Copyright 2003 - 2005 Mark O'Sullivan
* This file is part of Vanilla.
* Vanilla 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 2 of the License, or (at your option) any later version.
* Vanilla 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 Vanilla; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
* The latest source code for Vanilla is available at www.lussumo.com
* Contact Mark O'Sullivan at mark [at] lussumo [dot] com
* 
* Description: Functions used specifically for manipulating discussion comments in Vanilla
*/

function BlockComment(CommentID, CurrentStatus, PermanentBlock, ForceStatus, UnblockInnerHtml, UnblockTitle, BlockInnerHtml, BlockTitle) {
	var Anchor = document.getElementById("BlockComment_"+CommentID);
	var Comment = document.getElementById("Comment_"+CommentID);
	if (Anchor && Comment) {
		var HtmlStatus = 0;
		if (ForceStatus) {
			HtmlStatus = ForceStatus;
		} else if (typeof(Comment.name) == "undefined") {
			HtmlStatus = CurrentStatus;
		} else {
			HtmlStatus = Comment.name;
		}
		if (HtmlStatus == "1") {
			EncodeElement(Comment);
			Comment.name = 0;
			Anchor.innerHTML = UnblockInnerHtml;
			Anchor.title = UnblockTitle;
		} else {
			DecodeElement(Comment);
			Comment.name = 1;
			Anchor.innerHTML = BlockInnerHtml;
			Anchor.title = BlockTitle;
		}
	}
	// Save the setting for this user
	if (PermanentBlock) SaveCommentBlock(CommentID, HtmlStatus);
}

function BlockUser (AuthUserID, CurrentStatus, UnblockInnerHtml, UnblockTitle, BlockInnerHtml, BlockTitle, UnblockCommentInnerHtml, UnblockCommentTitle, BlockCommentInnerHtml, BlockCommentTitle) {
	// Retrieve & Loop through all relevant elements
	var Comments = GetElements("div", "Comment_");
	var CommentID = 0;
	var HtmlStatus = -1;
	for(i = 0; i < Comments.length; i++) {
		CommentID = Comments[i].id.replace("Comment_","");
		// See if the comment belongs to this user
		var Anchor = document.getElementById("BlockUser_"+AuthUserID+"_Comment_"+CommentID);
		if (Anchor) {
			// If so, block the comment
			if (HtmlStatus == -1) HtmlStatus = (Anchor.name == "")?CurrentStatus:Anchor.name;
			BlockComment(CommentID, CurrentStatus, 0, HtmlStatus, UnblockCommentInnerHtml, UnblockCommentTitle, BlockCommentInnerHtml, BlockCommentTitle);
			// And flip the switch
			if (HtmlStatus == "1") {
				Anchor.name = 0;
				Anchor.innerHTML = UnblockInnerHtml;
				Anchor.title = UnblockTitle;
			} else {
				Anchor.name = 1;
				Anchor.innerHTML = BlockInnerHtml;
				Anchor.title = BlockTitle;
			}
		}
	}
	// Save the setting for this user
	SaveUserBlock(AuthUserID, HtmlStatus);
}

function BlockSaved(Request) {
	ChangeLoaderText("Complete");
	CloseLoader();
}

function DecodeElement(Element) {
	var String = Element.innerHTML;
	var regex_lt = new RegExp("&lt;", "gi");
	var regex_gt = new RegExp("&gt;","gi");
	String = String.replace(regex_lt,"<");
	String = String.replace(regex_gt,">");
	Element.innerHTML = String;
}

function EncodeElement(Element) {
	var String = Element.innerHTML;
	var regex_br1 = new RegExp("<br>", "gi");
	var regex_br2 = new RegExp("::br::", "gi");
	var regex_lt = new RegExp("<", "gi");
	var regex_gt = new RegExp(">","gi");
	String = String.replace(regex_br1,"::br::");
	String = String.replace(regex_lt,"&lt;");
	String = String.replace(regex_gt,"&gt;");
	String = String.replace(regex_br2,"<br />");
	Element.innerHTML = String;
}

// Block a comment's html from view
function SaveCommentBlock(BlockCommentID, BlockComment) {
	ChangeLoaderText("Processing...");
	SwitchLoader(1);
	var dm = new DataManager();
	dm.RequestCompleteEvent = BlockSaved;
	dm.LoadData("./tools/block.php?BlockCommentID="+BlockCommentID+"&Block="+BlockComment);
}

// Block a user's html from view
function SaveUserBlock(BlockUserID, BlockUser) {
	ChangeLoaderText("Processing...");
	SwitchLoader(1);
	var dm = new DataManager();
	dm.RequestCompleteEvent = BlockSaved;
	dm.LoadData("./tools/block.php?BlockUserID="+BlockUserID+"&Block="+BlockUser);
}