// Discussion.js - implementation of the Discussion sub-application

FIRSTCLASS.apps.Discussion = function(config) {
	this._domElement = config.domElement;
	this._dataSource = config.dataSource;
	this._instance = FIRSTCLASS.apps.Discussion._nInstances++;
	this._config = config;
	var that = this;
	if (!FIRSTCLASS.apps.Discussion.prototype._rowSubElement) {
		FIRSTCLASS.apps.Discussion.prototype._rowSubElement = document.createElement("div");
		FIRSTCLASS.apps.Discussion.prototype._rowSubElement.innerHTML = "<table style = 'width:100%'><tr><td width='0px' class='fcDiscussionIndent'></td><td class='fcDiscussionItemCell'></td></tr></table>";
	}
	if (!this._appTBElement) {
		this._appTBElement = document.createElement("div");
		this._rightAppTBElement = document.createElement("div");
		
		var appTBCfg = {
			domElement:this._appTBElement,
			vertical: true,
			buttons: [
				{	id: "fcDiscussNewTopic"+this._instance,
					label: "New Topic",
					click: function(evt) {
						YAHOO.util.Event.stopPropagation(evt);
						var msgCfg = {
							callback: that,
							element: that._newMessageInlineElement,
							op: "__Send",
							baseURL: config.containerBaseUrl,
							objType: FIRSTCLASS.objTypes.message,
							formID: 21000,
							formElId: "fcDocForm",
							bodyType: "HTML",
							quoteText: null,
							sendTo: null,
							initHeight: "300px",
							showAddr: false,
							tbType: "message",
							params: "InitialText="
						};
						that._message = new FIRSTCLASS.util.Message(msgCfg);
					},
					priv: FIRSTCLASS.permissions.ACL.SEND
				},
				{	id: "fcDiscussAskQuestion"+this._instance,
					label: "Ask a Question",
					click: function(evt) {
						YAHOO.util.Event.stopPropagation(evt);
						var msgCfg = {
							callback: that,
							element: that._newMessageInlineElement,
							op: "__Send",
							baseURL: config.containerBaseUrl,
							objType: FIRSTCLASS.objTypes.message,
							formID: 21001,
							formElId: "fcDocForm",
							bodyType: "HTML",
							quoteText: null,
							sendTo: null,
							initHeight: "300px",
							showAddr: false,
							tbType: "message",
							params: "InitialText="
						};
						that._message = new FIRSTCLASS.util.Message(msgCfg);
					},
					priv: FIRSTCLASS.permissions.ACL.SEND
				},
				{	id: "fcDiscussDisclosure"+this._instance,
						type: "disclosure",
						change: function(newoffset) {
							if(newoffset == NaN) {
								return;
							}
							YAHOO.util.Dom.removeClass(that._lvDomElement, "fcDiscloseNone");
							YAHOO.util.Dom.removeClass(that._lvDomElement, "fcDiscloseItems");
							YAHOO.util.Dom.removeClass(that._lvDomElement, "fcDisclosePreviews");
							YAHOO.util.Dom.removeClass(that._lvDomElement, "fcDiscloseBodies");
							switch (newoffset) {
								case 0:
									// fcDiscloseNone
									YAHOO.util.Dom.addClass(that._lvDomElement, "fcDiscloseNone");
									break;
								case 50:
									YAHOO.util.Dom.addClass(that._lvDomElement, "fcDiscloseItems");
									break;
								case 100:
									// fcDisclosePreviews
									YAHOO.util.Dom.addClass(that._lvDomElement, "fcDisclosePreviews");
									break;
								//case 150:
								default:
									// fcDiscloseAll
									YAHOO.util.Dom.addClass(that._lvDomElement, "fcDiscloseBodies");
							}
						}
					}
				/*,
				{	id: "fcDiscussNextUnread"+this._instance,
					label: "Next Unread",
					click: function(evt) {
						YAHOO.util.Event.stopPropagation(evt);
						alert("Next Unread");
					}
				},
				{
					id: "fcDiscussSeparator"+this._instance,
					label: "",
					type: "ralign"
				},
				{	id: "fcDiscussFind"+this._instance,
					label: "Find",
					type: "find",
					click: function(evt) {
						YAHOO.util.Event.stopPropagation(evt);
						alert("Find");
					}
				}*/
			]
		};
		/*var rightAppTBCfg = {
			domElement: this._rightAppTBElement,
			buttons: [
				
			]
		};*/
		this._appTB = new FIRSTCLASS.ui.toolBar(appTBCfg);
		//this._rightAppTB = new FIRSTCLASS.ui.toolBar(rightAppTBCfg);
	};

	/*this._toolBar = document.createElement("div");
	this._toolBar.innerHTML = "<table width='100%'><tr><td style='text-align: left;' width='50%'></td><td style='text-align: right;' width='50%'></td></tr></table>";
	this._toolBar.childNodes[0].childNodes[0].childNodes[0].childNodes[0].appendChild(this._appTBElement);
	this._toolBar.childNodes[0].childNodes[0].childNodes[0].childNodes[1].appendChild(this._rightAppTBElement);
	this._domElement.appendChild(this._toolBar);*/
	/*this._actions = document.createElement("div");
	this._actions.innerHTML = "<a>New Topic</a><br/><a>New Question</a>";
	YAHOO.util.Event.addListener(this._actions.firstChild, "click", function(evt) {
		YAHOO.util.Event.stopPropagation(evt);
		var msgCfg = {
			callback: that,
			element: that._newMessageInlineElement,
			op: "__Send",
			baseURL: config.containerBaseUrl,
			objType: FIRSTCLASS.objTypes.message,
			formID: 21000,
			formElId: "fcDocForm",
			bodyType: "HTML",
			quoteText: null,
			sendTo: null,
			tbType: "message",
			showAddr: false
		};
		that._message = new FIRSTCLASS.util.Message(msgCfg);
	});
	YAHOO.util.Event.addListener(this._actions.lastChild, "click", function(evt) {
		YAHOO.util.Event.stopPropagation(evt);
		var msgCfg = {
			callback: that,
			element: that._newMessageInlineElement,
			op: "__Send",
			baseURL: config.containerBaseUrl,
			objType: FIRSTCLASS.objTypes.message,
			formID: 21001,
			formElId: "fcDocForm",
			bodyType: "HTML",
			quoteText: null,
			sendTo: null,
			tbType: "message",
			showAddr: false
		};
		that._message = new FIRSTCLASS.util.Message(msgCfg);
	});*/
	
	this._dataSource.addDataListener({
		onHeaderData:function(data, contents) {
			that._listView.updatePadText("No More Items Available");
			switch (data) {
  				case "acl":
					that._appTB.reconfigure(null, contents);
					break;
				default:
			}
		},
		filter: function(dataname) {
			switch (dataname) {
				case "acl":
					if (!that._aclConfigured) {
						return true;
					}
				default:
					return false;
			}
		}
	});
	
	this._lvDomElement = document.createElement("div");
	this._newMessageInlineElement = document.createElement("div");
	this._message = null;
	YAHOO.util.Dom.addClass(this._newMessageInlineElement, 'fcInlineComposeMessage');
	this._domElement.appendChild(this._newMessageInlineElement);
	YAHOO.util.Dom.addClass(this._lvDomElement, "fcAppScrollingContent");
	YAHOO.util.Dom.addClass(this._lvDomElement, "fcDiscloseBodies");
	
	this._domElement.appendChild(this._lvDomElement);
	var lvConfig = {
		rowHandler: this,
		domElement: this._lvDomElement,
		dataSource: this._dataSource,
		fillOnScroll:true,
		threading: {
			format: "bythread",
			sortfunc: this._rowSort,
			threadsortfunc: this.rowSort,
			originRowIsHeader: true,
			collapseRead: true
		},
		listenForNavKeys: true,
		selectionFollowsScroll: true,
		//rowFilter: this.rowFilter,
		padHeight: true,
		padText: "Loading"
	};
	if(config.onResize) {
		lvConfig.onResize = config.onResize;
	}
	this._myFeed = new FIRSTCLASS.layout.Feed( {listView:null, dataSource:config.dataSource});
	this._listView = new FIRSTCLASS.layout.ListView(lvConfig);
	this._myFeed.listView = this._listView;	// punch in after
	FIRSTCLASS.session.setActiveApplication(this, "discussion");
	if (config.rowToOpen) {
		this.showRowInContext(config.rowToOpen);
	}
};

// class variables

FIRSTCLASS.apps.Discussion._nInstances = 0;

FIRSTCLASS.apps.Discussion.prototype._dataSource = null;
FIRSTCLASS.apps.Discussion.prototype._domElement = null;
FIRSTCLASS.apps.Discussion.prototype._listView = null;
FIRSTCLASS.apps.Discussion.prototype._myFeed = null;
FIRSTCLASS.apps.Discussion.prototype._rowSubElement = null;

FIRSTCLASS.apps.Discussion.prototype.updateHeight = function(newheight) {
	this._listView.updatePadHeight(newheight);
};
// class methods
FIRSTCLASS.apps.Discussion.prototype.createRow = function(row) {
	var myRowContents = null;
	var myRowElement = null;
	var children = null;
	
	if (this._myFeed) {
		myRowContents = this._myFeed.createRow(row);
	} else {
		myRowContents = document.createElement("div");
	}
	YAHOO.util.Dom.addClass(myRowContents, "fcDiscussionItem");
	/*myRowElement = FIRSTCLASS.apps.Discussion.prototype._rowSubElement.cloneNode(true);
	var child = myRowElement.childNodes[0].childNodes[0].childNodes[0].childNodes[1];
//	var child = FIRSTCLASS.ui.Dom.getChildByClassName("fcDiscussionItemCell", myRowElement);
	child.appendChild(myRowContents);
	myRowElement.row = myRowContents.row;*/
	return myRowContents;
};


FIRSTCLASS.apps.Discussion.prototype.updateRow = function(row, element) {
	/*var myRowContents = FIRSTCLASS.ui.Dom.getChildByClassName("fcDiscussionItem", element);
	if (this._myFeed && (myRowContents)) {
		this._myFeed.updateRow(row,myRowContents);
	}*/
	this._myFeed.updateRow(row,element);
};

FIRSTCLASS.apps.Discussion.prototype.onRowClick = function(row, elem) {
	this._myFeed.onRowClick(row, elem);
};

FIRSTCLASS.apps.Discussion.prototype.generateUniqueId = function(row) {
	return row.messageid;
};

FIRSTCLASS.apps.Discussion.prototype.onSelectionChange = function(from, to, torow) {
	return this._myFeed.onSelectionChange(from, to, torow);
};

// sort thread items in reverse chrono
FIRSTCLASS.apps.Discussion.prototype._rowSort = function(row1, row2) {
	var result = true;
	if (row1 && row2) {
		result = row1.parsedDate >= row2.parsedDate;
	}
	return result;			
};

FIRSTCLASS.apps.Discussion.prototype.rowSort = function(row1, row2) {
	var result = true;
	if (row1 && row2) {
		result = row1.parsedDate <= row2.parsedDate;
	}
	return result;			
};
FIRSTCLASS.apps.Discussion.prototype.activate = function () {
	this._listView.activate();
	this._dataSource.activate();
	FIRSTCLASS.ui.rightSideBar.updateBoxContents("ACTIONS", this._appTBElement);
	if (this._config.onResize) {
		this._config.onResize();
	}
};

FIRSTCLASS.apps.Discussion.prototype.deactivate = function(internal) {
	this._listView.deactivate();
//	this._dataSource.deactivate();
};

FIRSTCLASS.apps.Discussion.prototype.rowFilter = function(row) {
	if (row.replyobjtype) {
		return (row.replyobjtype == FIRSTCLASS.objTypes.message || row.replyobjtype == FIRSTCLASS.objTypes.confitem);
	}
	return (row.typedef.objtype == FIRSTCLASS.objTypes.message || row.typedef.objtype == FIRSTCLASS.objTypes.confitem);
};

FIRSTCLASS.apps.Discussion.prototype.showRowInContext = function(row) {
	this._listView.selectRow(row);
};

FIRSTCLASS.apps.Discussion.prototype.onCancel = function() {
	if (this._message !== null) {
		this._message.destroy();
		this._message = null;
	}
	this._newMessageInlineElement.innerHTML = "";
};

FIRSTCLASS.apps.Discussion.prototype.onSave = function() {
	this.onCancel();
};


YAHOO.register("fcDiscussion", FIRSTCLASS.apps.Discussion, {version: "0.0.1", build: "1"});