/* -----------------------------------------------------------------------------------------
Class			:	Portlet
Parameters	:	pPortal		parent portaal
						pName		unieke identificatie
						pSkin		bibliotheek met afbeeldingen voor skin portlet (uit instyle)
						pUri			inhoud (element of URI)
						pLeft			links 
						pTop			boven
						pWidth		breedte
						pHeight		hoogte
						pMinimized, pMaximized, pHidden, pResizable = booleans met status info

Methods		:	minimize
						maximize
						restore
						close
						
Properties	:		Titlebar
						Content
						Bottombar
						Skin
						Src
						Name

Toelichting	:	Portlet class
						member van Potal.PortletCollection
----------------------------------------------------------------------------------------- */
function Portlet(pPortal, pName, pSkin, pTitle, pUrl, pLeft, pTop, pWidth, pHeight, pMinimized, pMaximized, pHidden, pResizable) {
	
	// Constructor
	iPortal 					= pPortal;
	iPortlet 					= document.createElement("span");

	// Apply parameters
	iPortlet.style.left 			= pLeft 		|| 0;
	iPortlet.style.top 			= pTop 		|| 0;
	iPortlet.style.width 		= pWidth 	|| 250;
	iPortlet.style.height		= pHeight 	|| 250;
	iPortlet.style.position 	= 'absolute'

	iPortlet.Src					= pUrl 		|| null
	iPortlet.Skin				= pSkin	 	|| "default"
	iPortlet.Name			= pName;
	iPortlet.id					= pName;
	iPortlet.Title				= pTitle;

	// Public Properties
	iPortlet.Portal 			= iPortal;

	// Public base properties
	iPortlet.BaseZindex		= pPortal.PortletCollection.length
	iPortlet.BaseLeft 			= pLeft 		|| 0;
	iPortlet.BaseTop 			= pTop 		|| 0;
	iPortlet.BaseWidth 			= pWidth 	|| 250;
	iPortlet.BaseHeight		= pHeight 	|| 250;
	iPortlet.BasePosition 		= 'absolute'
	iPortlet.BaseSrc				= pUrl	 	|| null
	
	// Method pointers
	iPortlet.minimize			= minimize;
	iPortlet.maximize 			= maximize;
	iPortlet.restore 				= restore;
	iPortlet.hide	 				= hide;
	iPortlet.show 					= show;
	iPortlet.onfocus 				= setFocus;
	iPortlet.refresh				= refresh;
	
	// Generieke variabelen
	iImagePath = iPortal.SkinPath + "/" + "images" + "/" + iPortlet.Skin + "/$file/"

	// Cre\u00EBer titel balk
	iPortlet.Titlebar	= 	iPortlet.appendChild(createTitlebar());
		
	// Cre\u00EBer inhoud
	iPortlet.Content	= 	iPortlet.appendChild(createContent(pUrl));

	// Cre\u00EBer voetbalk
	iPortlet.Bottombar	=	iPortlet.appendChild(createBottombar());

	// Bepaal de staat van het portal
	if(pMinimized == true) 	iPortlet.minimize();
	if(pMaximized == true) 	iPortlet.maximize();
	if(pHidden == true) 		iPortlet.hide();
	
	// Plaats portlet in body van document
	document.body.appendChild(iPortlet)

	// toevoegen dragdrop functionaliteit
	ADD_DHTML(iPortlet.Name + CURSOR_MOVE)
	
	// Retourneer de gecre\u00EBerde Portlet
	return iPortlet;

	/*---------------------------------------------------------------------------------
	functie	:	createContent
	param	:	
	doel		: 	toevoegen content, dit is een uri (dus iframe) of een intern element
	auteur	:	RonB
	creatie	:	09-02-2005
	---------------------------------------------------------------------------------*/
	function createContent(pUrl) {
	
		// Als er een element bestaat in dit document dan deze inhoud tonen, anders een URI
		iContent = document.getElementById(pUrl)
		if (iContent==null) {

			// Cre\u00EBer iFrame met inhoud
			iContent 		= document.createElement("iFrame")
			// Properties van de de iFrame
			iContent.Src	= pUrl;
		}
		
		// Content opmaken
		iContent.style.width				= '100%'	
		iContent.style.height			= '100%'	
		iContent.style.position 		= "relative"
		iContent.style.borderLeft 		= '1px solid gray'
		iContent.style.borderRight 	= '1px solid gray'
		
		return iContent;
	}

	/*---------------------------------------------------------------------------------
	functie	:	createTitleBar
	param	:	
	doel		: 	toevoegen titelbalk
	auteur	:	RonB
	creatie	:	09-02-2005
	---------------------------------------------------------------------------------*/
	function createTitlebar() {
	
		iTitlebar 			= document.createElement("span");

		// Skin
		iTitlebar.style.backgroundImage = 'url(' + iImagePath + 'title.gif' + ')';
		iTitlebar.Portlet = iPortlet;
		
		// Linker actions toevoegen		
		iTitlebar.Actionbar 	= iTitlebar.appendChild(createActionbar());
		iTitlebar.Actionbar.Actionrow.appendChild(createAction("refresh","symbol.gif","refresh()"));
		
		// Titel toevoegen
		iTitleCell = iTitlebar.Actionbar.Actionrow.appendChild(document.createElement("td"))
		iTitleCell.width					= "100%";
		iTitleCell.style.verticalAlign	= "middle"
		iTitleCell.style.color				= "white";
		iTitleCell.innerHTML 			= iPortlet.Title;
		
		// Rechter actions toevoegen
		iTitlebar.Actionbar.Actionrow.appendChild(createAction("action_minimize","min.gif","minimize()"));
		iTitlebar.Actionbar.Actionrow.appendChild(createAction("action_maximize","max.gif","maximize()"));
		iTitlebar.Actionbar.Actionrow.appendChild(createAction("action_restore","restore.gif","restore()"));
		iTitlebar.Actionbar.Actionrow.children("action_restore").style.display = 'none';
		iTitlebar.Actionbar.Actionrow.appendChild(createAction("action_hide","close.gif","hide()"));

		return iTitlebar;
	}

	/*---------------------------------------------------------------------------------
	functie	:	createActionbar;
	param	:	
	doel		: 	toevoegen actiebalk
	auteur	:	RonB
	creatie	:	09-02-2005
	---------------------------------------------------------------------------------*/
	function createActionbar() {
	
		iActionbar 							= document.createElement("table");
		iActionbody						= document.createElement("tbody");
		iActionbar.appendChild(iActionbody);				
		iActionrow 							= document.createElement("tr");
		iActionbody.appendChild(iActionrow);		
		
		iActionbar.Actionrow 			= iActionrow;
		iActionbar.cellPadding		= 0
		iActionbar.cellSpacing		= 0
						
		return iActionbar;
	}
	
	/*---------------------------------------------------------------------------------
	functie	:	createAction
	param	:	naam, afbeelding en functie
	doel		: 	toevoegen actieknop
	auteur	:	RonB
	creatie	:	09-02-2005
	---------------------------------------------------------------------------------*/
	function createAction(pName,pImage,pFunction) {

		iAction 				= document.createElement("td");
		iAction.Portlet		= iPortlet;
		iAction.id			= pName
		iAction.innerHTML = "<img src=" + iImagePath + pImage + " onclick='this.parentElement.Portlet." + pFunction  + "' style='cursor:hand'>";
		return iAction;
	}

	/*---------------------------------------------------------------------------------
	functie	:	createBottomBar
	param	:	
	doel		: 	toevoegen voetbalk
	auteur	:	RonB
	creatie	:	09-02-2005
	---------------------------------------------------------------------------------*/
	function createBottombar() {

		iBottombar 			= document.createElement("span");

		// Skin
		iBottombar.style.backgroundImage = 'url(' + iImagePath + 'Bottom.gif' + ')';
		iBottombar.Portlet = iPortlet;
		
		// Linker actions toevoegen		
		iBottombar.Actionbar 	= iBottombar.appendChild(createActionbar());
		iBottombar.Actionbar.Actionrow.appendChild(createAction("action_update","intern.gif","update()"));
		
		// Voettext toevoegen
		iBottomCell = iBottombar.Actionbar.Actionrow.appendChild(document.createElement("td"))
		iBottomCell.width					= "100%";
		
		// Rechter actions toevoegen
		iBottombar.Actionbar.Actionrow.appendChild(createAction("action_resize","grip.gif","resize()"));
		return iBottombar;
	}
	
	/*---------------------------------------------------------------------------------
	functie	:	setFocus
	param	:	
	doel		: 	Portlet krijgt focus
	auteur	:	RonB
	creatie	:	09-02-2005
	---------------------------------------------------------------------------------*/
	function setFocus() {
		
		iPortlet		= this;
		
		iPortlet.Portal.ActivePortlet.style.zIndex = iPortlet.Portal.ActivePortlet.baseZindex;
		iPortlet.Portal.ActivePortlet = iPortlet;
		iPortlet.style.zIndex = 9999;
		iPortlet.show();

	}
	
	/*---------------------------------------------------------------------------------
	functie	:	minimize
	param	:	
	doel		: 	minimaliseer portlet naar originele plaats
	auteur	:	RonB
	creatie	:	09-02-2005
	---------------------------------------------------------------------------------*/
	function minimize() {
		
		iPortlet = this;
		if (iPortlet.isMinimized) {
			iPortlet.Content.style.display	= 'inline';
			iPortlet.isMinimized 				= false;
			}
		else {
			iPortlet.Content.style.display	= 'none';
			iPortlet.isMinimized 				= true;
		}
		return true;
	}

	/*---------------------------------------------------------------------------------
	functie	:	restore
	param	:	
	doel		: 	terugzetten portlet in vorige staat
	auteur	:	RonB
	creatie	:	09-02-2005
	---------------------------------------------------------------------------------*/
	function restore() {

		iPortlet = this;

		iPortlet.style.cssText 									= iPortlet.previousStyle;
		iPortlet.Content.style.display						= 'inline';
		iPortlet.isMaximized									= false;
		iPortlet.Titlebar.Actionbar.Actionrow.children("action_maximize").style.display	= 'inline'
		iPortlet.Titlebar.Actionbar.Actionrow.children("action_restore").style.display		= 'none';
		return true;
		
	}

	/*---------------------------------------------------------------------------------
	functie	:	maximize
	param	:	
	doel		: 	maximaliseren portlet naar inhoud van Portal
	auteur	:	RonB
	creatie	:	09-02-2005
	---------------------------------------------------------------------------------*/
	function maximize() {

		iPortlet = this;

		// Veiligstellen originele stijlen
		iPortlet.previousStyle = iPortlet.style.cssText;
		iPortlet.Content.style.display	= 'inline'		

		// Positie en grootte van de Portlet
		iPortlet.style.left				= 0;
		iPortlet.style.top				= 0;
		iPortlet.style.width			= iPortlet.parentElement.offsetWidth;
		iPortlet.style.height			= iPortlet.parentElement.offsetHeight;
		iPortlet.isMaximized		= true;
		iPortlet.Titlebar.Actionbar.Actionrow.children("action_maximize").style.display="none"
		iPortlet.Titlebar.Actionbar.Actionrow.children("action_restore").style.display="inline"
		return true;
	}
	
	/*---------------------------------------------------------------------------------
	functie	:	hide
	param	:	
	doel		: 	verbergen van portlet
	auteur	:	RonB
	creatie	:	09-02-2005
	---------------------------------------------------------------------------------*/
	function hide() {
		
		iPortlet = this;

		iPortlet.style.display="none"
		return true;

	}

	/*---------------------------------------------------------------------------------
	functie	:	show
	param	:	
	doel		: 	tonen van portlet
	auteur	:	RonB
	creatie	:	09-02-2005
	---------------------------------------------------------------------------------*/
	function show() {
	
		iPortlet = this;

		iPortlet.style.display="inline"
		return true;

	}

	/*---------------------------------------------------------------------------------
	functie	:	refresh
	param	:	
	doel		: 	verversen van portlet
	auteur	:	RonB
	creatie	:	09-02-2005
	---------------------------------------------------------------------------------*/
	function refresh() {

		iPortlet = this;

		iPortlet.Content.Src = iPortlet.Content.Src;
		return true;

	}
}