
if(g_ugFunctions)
	g_ugFunctions.registerTheme("default");


/**
 * Default gallery theme
 */
function UGTheme_default(){

	var t = this;
	var g_gallery = new UniteGalleryMain(), g_objGallery, g_objects, g_objWrapper; 
	var g_objButtonFullscreen, g_objButtonPlay, g_objButtonHidePanel;
	var g_objSlider, g_objPanel, g_objStripPanel, g_objTextPanel;
	var g_functions = new UGFunctions();
	
	//theme options
	var g_options = {
			theme_load_slider:true,					//this option for debugging only
			theme_load_panel:true,					//this option for debugging only
				
			theme_enable_fullscreen_button: true,	//show, hide the theme fullscreen button. The position in the theme is constant
			theme_enable_play_button: true,			//show, hide the theme play button. The position in the theme is constant
			theme_enable_hidepanel_button: true,	//show, hide the hidepanel button
			theme_enable_text_panel: true,			//enable the panel text panel. 
			
			theme_text_padding_left: 20,			//left padding of the text in the textpanel
			theme_text_padding_right: 5,			//right paddin of the text in the textpanel
			theme_text_align: "left",				//left, center, right - the align of the text in the textpanel
			theme_text_type: "title",				//title, description - text that will be shown on the text panel, title or description
			
			theme_hide_panel_under_width: 480		//hide panel under certain browser width, if null, don't hide
	};
	
	
	//default item options:
	var g_defaults = {
		
		//slider options:
		slider_controls_always_on: true,
		slider_zoompanel_align_vert: "top",
		slider_zoompanel_offset_vert: 12,
		
		//textpanel options: 
		slider_textpanel_align: "bottom",
		slider_textpanel_padding_top: 0,
		slider_textpanel_enable_title: false,
		slider_textpanel_enable_description: true,
		
		//strippanel options
		strippanel_background_color:"#232323",
		strippanel_padding_top:10
	};
	
		
	//options that could not be changed by user
	var g_mustOptions = {
		
		slider_enable_text_panel: false,
		slider_enable_play_button:false,
		slider_enable_fullscreen_button: false,
		
		//text panel options
		slider_enable_text_panel: false,		
		slider_textpanel_height: 50,
		slider_textpanel_align:"top",
	};
	
	
	var g_temp = {
		isPanelHidden: false
	};
	
	
	/**
	 * init the theme
	 */
	function initTheme(gallery, customOptions){
		
		g_gallery = gallery;
		
		g_options = jQuery.extend(g_options, g_defaults);
		g_options = jQuery.extend(g_options, customOptions);
		g_options = jQuery.extend(g_options, g_mustOptions);
		
		modifyOptions();
		
		//set gallery options
		g_gallery.setOptions(g_options);
		
		//include gallery elements
		if(g_options.theme_load_panel == true){
			g_objStripPanel = new UGStripPanel();
			g_objStripPanel.init(gallery, g_options);
		}
		
		if(g_options.theme_load_slider == true)
			g_gallery.initSlider(g_options);
		
		g_objects = gallery.getObjects();
				
		//get some objects for local use
		g_objGallery = jQuery(gallery);		
		g_objWrapper = g_objects.g_objWrapper;
		
		if(g_options.theme_load_slider == true)
			g_objSlider = g_objects.g_objSlider;
		
		//init text panel
		if(g_options.theme_enable_text_panel == true){
			g_objTextPanel = new UGTextPanel();
			g_objTextPanel.init(g_gallery, g_options);
		}
		
	}
	
	
	/**
	 * run the theme
	 */
	function runTheme(){
		
		setHtml();
		
		initAndPlaceElements();
				
		initEvents();
	}
	
	
	/**
	 * modify some options before implimenting
	 */
	function modifyOptions(){
		
		var moreOptions = {
				slider_textpanel_css_title:{},						//additional css of the title
				slider_textpanel_css_description:{}					//additional css of the description
		};
		
		g_options = jQuery.extend(moreOptions, g_options);
		
		g_options.slider_textpanel_css_title["text-align"] = g_options.theme_text_align;
		g_options.slider_textpanel_css_description["text-align"] = g_options.theme_text_align;
	}
	

	
	/**
	 * set gallery html elements
	 */
	function setHtml(){
		
		//add html elements
		g_objWrapper.addClass("ug-theme-default");
		
		var htmlAdd = "";
		
		//add panel
		htmlAdd += "<div class='ug-theme-panel'>";
		
		var classButtonFullscreen = 'ug-default-button-fullscreen';
		var classButtonPlay = 'ug-default-button-play';
		var classCaptureButtonFullscreen = '.ug-default-button-fullscreen';
		var classCaptureButtonPlay = '.ug-default-button-play';
		
		
		if(!g_objTextPanel){	//take the buttons from default theme
			classButtonFullscreen = 'ug-default-button-fullscreen-single';
			classButtonPlay = 'ug-default-button-play-single';
			classCaptureButtonFullscreen = '.ug-default-button-fullscreen-single';
			classCaptureButtonPlay = '.ug-default-button-play-single';
		}
		
		//add fullscreen button to the panel
		if(g_options.theme_enable_fullscreen_button == true)
			htmlAdd += "<div class='"+classButtonFullscreen+"'></div>";
		
		//add play button to the panel
		if(g_options.theme_enable_play_button == true)
			htmlAdd += "<div class='"+classButtonPlay+"'></div>";
		
		//add hide panel button
		if(g_options.theme_enable_hidepanel_button)
			htmlAdd += "<div class='ug-default-button-hidepanel'><div class='ug-default-button-hidepanel-bg'></div> <div class='ug-default-button-hidepanel-tip'></div></div>";
		
		htmlAdd += "</div>";
		
		g_objWrapper.append(htmlAdd);
		
		//set elements
		g_objPanel = g_objWrapper.children(".ug-theme-panel");
		
		if(g_options.theme_enable_fullscreen_button == true)
			g_objButtonFullscreen = g_objPanel.children(classCaptureButtonFullscreen);
		
		if(g_options.theme_enable_play_button == true)
			g_objButtonPlay = g_objPanel.children(classCaptureButtonPlay);

		if(g_options.theme_enable_hidepanel_button == true)
			g_objButtonHidePanel = g_objPanel.children(".ug-default-button-hidepanel");
		
		//set html strip panel to the panel
		g_objStripPanel.setHtml(g_objPanel);
		
		//set text panel html to the panel
		if(g_objTextPanel)
			g_objTextPanel.appendHTML(g_objPanel);
		
		//set slider html
		if(g_objSlider)
			g_objSlider.setHtml();
		
	}
	
	
	/**
	 * init all the theme's elements and set them to their places 
	 * according gallery's dimentions.
	 * this function should work on resize too.
	 */
	function initAndPlaceElements(){
		
		//create and place thumbs panel:
		if(g_options.theme_load_panel){
			initPanel();
			placePanel();
		}
		
		//place the slider
		if(g_objSlider){	
			placeSlider();
			g_objSlider.run();
		}
		
	}
	
	
	/**
	 * init size of the thumbs panel
	 */
	function initPanel(){
		
		var objGallerySize = g_gallery.getSize();
		var galleryWidth = objGallerySize.width;	
		
		//init srip panel width
		g_objStripPanel.setOrientation("bottom");
		g_objStripPanel.setWidth(galleryWidth);
		g_objStripPanel.run();
		
		//set panel size
		var objStripPanelSize = g_objStripPanel.getSize();		
		var panelHeight = objStripPanelSize.height;
		
		if(g_objTextPanel){
			panelHeight += g_mustOptions.slider_textpanel_height;
			
			if(g_objButtonHidePanel){
				var hideButtonHeight = g_objButtonHidePanel.outerHeight();
				panelHeight += hideButtonHeight;
			}		
		}
		else{	
			var maxButtonsHeight = 0;
			
			if(g_objButtonHidePanel)
				maxButtonsHeight = Math.max(g_objButtonHidePanel.outerHeight(), maxButtonsHeight);
			
			if(g_objButtonFullscreen)
				maxButtonsHeight = Math.max(g_objButtonFullscreen.outerHeight(), maxButtonsHeight);
			
			if(g_objButtonPlay)
				maxButtonsHeight = Math.max(g_objButtonPlay.outerHeight(), maxButtonsHeight);
			
			panelHeight += maxButtonsHeight;
		
		}
		
		g_functions.setElementSize(g_objPanel, galleryWidth, panelHeight);
		
		//position strip panel
		var stripPanelElement = g_objStripPanel.getElement();
			g_functions.placeElement(stripPanelElement, "left", "bottom");
		
		//init hide panel button
		if(g_objButtonHidePanel){
			var buttonTip = g_objButtonHidePanel.children(".ug-default-button-hidepanel-tip");
			g_functions.placeElement(buttonTip, "center", "middle");
			
			//set opacity and bg color from the text panel			
			if(g_objTextPanel){				
				var objHideButtonBG = g_objButtonHidePanel.children(".ug-default-button-hidepanel-bg");
				
				var hidePanelOpacity = g_objTextPanel.getOption("slider_textpanel_bg_opacity");				
				objHideButtonBG.fadeTo(0, hidePanelOpacity);

				var bgColor = g_objTextPanel.getOption("slider_textpanel_bg_color");				
				objHideButtonBG.css({"background-color":bgColor});
			}
			
		}
		
		//position buttons on the text panel:
		var paddingPlayButton = 0;
		var panelButtonsOffsetY = 0;
		if(g_objButtonHidePanel){
			panelButtonsOffsetY = hideButtonHeight;
		}
		
		if(g_objButtonFullscreen){
			g_functions.placeElement(g_objButtonFullscreen, "right", "top",0 , panelButtonsOffsetY);
			paddingPlayButton = g_objButtonFullscreen.outerWidth();
		}
		
		if(g_objButtonPlay){
			var buttonPlayOffsetY = panelButtonsOffsetY;
			if(!g_objTextPanel)
				buttonPlayOffsetY++; 
				
			g_functions.placeElement(g_objButtonPlay, "right", "top", paddingPlayButton, buttonPlayOffsetY);			
			paddingPlayButton += g_objButtonPlay.outerWidth();
		}
		
		//run the text panel
		if(g_objTextPanel){
			
			var textPanelOptions = {};
			textPanelOptions.slider_textpanel_padding_right = g_options.theme_text_padding_right + paddingPlayButton;
			textPanelOptions.slider_textpanel_padding_left = g_options.theme_text_padding_left;					
			
			if(g_objButtonHidePanel){
				textPanelOptions.slider_textpanel_margin = hideButtonHeight;
			}
			
			g_objTextPanel.setOptions(textPanelOptions);
			
			g_objTextPanel.positionPanel();			
			g_objTextPanel.run();
		}
		
		//place hide panel button
		if(g_objButtonHidePanel){
						
			if(g_objTextPanel)		//place at the beginning of hte panel
				g_functions.placeElement(g_objButtonHidePanel,"left", "top");
			
			else{		//place above the strip panel
				var stripPanelHeight = stripPanelElement.outerHeight();
				g_functions.placeElement(g_objButtonHidePanel,"left", "bottom", 0, stripPanelHeight);
			}
		}
		
	}
	
	
	/**
	 * place thumbs panel according the settings
	 */
	function placePanel(){
		
		if(g_temp.isPanelHidden || isPanelNeedToHide() == true){
			
			//place panel hidden			
			var newPanelPosY = getHiddenPanelPosition();
			g_functions.placeElement(g_objPanel, 0, newPanelPosY);
			g_temp.isPanelHidden = true;
		
		}else		//place panel normal
			g_functions.placeElement(g_objPanel, 0, "bottom");
	
		
	} 
	
	
	/**
	 * place the slider according the thumbs panel size and position
	 */
	function placeSlider(){
		
		 var sliderTop = 0;
		 var sliderLeft = 0;
		 var galleryHeight = g_gallery.getHeight();
		 var sliderHeight = galleryHeight;
		 
		 if(g_objStripPanel && isPanelHidden() == false){
			 var panelSize = g_objStripPanel.getSize();
			 sliderHeight = galleryHeight - panelSize.height;
		 }
		 
		 var sliderWidth = g_gallery.getWidth();
		 
		 //set parent container the panel
		 g_objSlider.setSize(sliderWidth, sliderHeight);
		 g_objSlider.setPosition(sliderLeft, sliderTop);		
	}
	
	/**
	 * check if need to hide the panel according the options.
	 */
	function isPanelNeedToHide(){
		
		if(!g_options.theme_hide_panel_under_width)
			return(false);
		
		var windowWidth = jQuery(window).width();
		var hidePanelValue = g_options.theme_hide_panel_under_width;
		
		if(windowWidth <= hidePanelValue)
			return(true);
			
		return(false);
	}
	
	/**
	 * check if need to hide or show panel according the theme_hide_panel_under_width option
	 */
	function checkHidePanel(){
		
		//check hide panel:
		if(!g_options.theme_hide_panel_under_width)
			return(false);
		
			var needToHide = isPanelNeedToHide();
			
			if(needToHide == true)
				hidePanel(true);
			else
				showPanel(true);
	}
	
	
	/**
	 * on gallery size change - resize the theme.
	 */
	function onSizeChange(){
		
		initAndPlaceElements();
		
		checkHidePanel();
		
	}
	
	
	/**
	 * get if the panel is hidden
	 */
	function isPanelHidden(){
		
		return(g_temp.isPanelHidden);
	}
	
	
	/**
	 * place panel with some animation
	 */
	function placePanelAnimation(panelY, functionOnComplete){
		
		var objCss  = {top: panelY + "px"};
		
		g_objPanel.stop(true).animate(objCss ,{
			duration: 300,
			easing: "easeInOutQuad",
			queue: false,
			complete: function(){
				if(functionOnComplete)
					functionOnComplete();
			}
		});
		
	}

	
	/**
	 * get position of the hidden panel
	 */
	function getHiddenPanelPosition(){
		
		var galleryHeight = g_objWrapper.height();
		var newPanelPosY = galleryHeight;
		if(g_objButtonHidePanel){
			var objButtonSize = g_functions.getElementSize(g_objButtonHidePanel);
			newPanelPosY -= objButtonSize.bottom;
		}
		
		return(newPanelPosY);
	}
	
	
	/**
	 * hide the panel
	 */
	function hidePanel(noAnimation){
		
		if(!noAnimation)
			var noAnimation = false;
		
		if(isPanelHidden() == true)
			return(false);
				
		var newPanelPosY = getHiddenPanelPosition();
		
		if(noAnimation == true)
			g_functions.placeElement(g_objPanel, 0, newPanelPosY);
		else
			placePanelAnimation(newPanelPosY, placeSlider); 
		
		if(g_objButtonHidePanel)
			g_objButtonHidePanel.addClass("ug-button-hidden-mode");
		
		g_temp.isPanelHidden = true;
		
	}
	
	
	/**
	 * show the panel
	 */
	function showPanel(noAnimation){
		
		if(!noAnimation)
			var noAnimation = false;
		
		if(isPanelHidden() == false)
			return(false);
		
		var galleryHeight = g_objWrapper.height();
		var panelHeight = g_objPanel.outerHeight();
		
		var newPanelPosY = galleryHeight - panelHeight;
		
		if(noAnimation == true)
			g_functions.placeElement(g_objPanel, 0, newPanelPosY);
		else
			placePanelAnimation(newPanelPosY, placeSlider);
		
		if(g_objButtonHidePanel)
			g_objButtonHidePanel.removeClass("ug-button-hidden-mode");
		
		g_temp.isPanelHidden = false;
	}
	
	
	/**
	 * on hide panel click
	 */
	function onHidePanelClick(event){
		
		event.stopPropagation();
		event.stopImmediatePropagation();
		
		if(g_functions.validateClickTouchstartEvent(event.type) == false)
			return(true);
		
		if(isPanelHidden() == true)
			showPanel();
		else
			hidePanel();
	}

	
	
	/**
	 * init buttons functionality and events
	 */
	function initEvents(){
						
		g_objGallery.on(g_gallery.events.SIZE_CHANGE,onSizeChange);
		
		//set the panel buttons
		if(g_objButtonPlay){
			g_functions.addClassOnHover(g_objButtonPlay, "ug-button-hover");
			g_gallery.setPlayButton(g_objButtonPlay);
		}
		
		//init fullscreen button
		if(g_objButtonFullscreen){
			g_functions.addClassOnHover(g_objButtonFullscreen, "ug-button-hover");
			g_gallery.setFullScreenToggleButton(g_objButtonFullscreen);
		}
		
		//init hide panel button
		if(g_objButtonHidePanel){
			g_functions.setButtonMobileReady(g_objButtonHidePanel);
			g_functions.addClassOnHover(g_objButtonHidePanel, "ug-button-hover");
			g_objButtonHidePanel.on("click touchstart", onHidePanelClick);
		}
		
		//on gallery media player events, bring the element to front
		g_objGallery.on(g_gallery.events.SLIDER_ACTION_START, function(){
			
			//set slider to front
			g_objPanel.css("z-index","1");
			g_objSlider.getElement().css("z-index","11");
		});
		
		g_objGallery.on(g_gallery.events.SLIDER_ACTION_END, function(){
			
			//set the panel to front
			g_objPanel.css("z-index","11");
			g_objSlider.getElement().css("z-index","1");
		});
		
	}
				
	
	/**
	 * run the theme setting
	 */
	this.run = function(){
		
		runTheme();
	}
	
	
	/**
	 * init 
	 */
	this.init = function(gallery, customOptions){
		initTheme(gallery, customOptions);
	}
	
}
