/client/src/list/ItemPanel.hx

/**

 * ...

 * @author Innokentiy Shuvalov

 * @author Alex

 */



package list;



import flash.net.URLRequest;

import loader.Loader; 

import list.DisplayMode;

import client.INews;

import client.Item;

import flash.geom.Rectangle;

import gui.hug.HUGSprite;

import gui.hug.HUGColors;

import flash.text.TextFormat;

import gui.hug.HUGTextArea;

import gui.hug.Utils;

import gui.hug.HUGLabel;

import flash.events.MouseEvent;

import flash.events.Event;

import flash.events.KeyboardEvent;

import flash.display.Sprite;

import flash.ui.Keyboard;

import haxe.Timer;

import client.Channel;

import tab.FavoritesTab;



class ItemPanel extends HUGSprite {



	static private inline var SELECTED_BACKGROUND_COLOR : UInt = Utils.SEL_BG_COL;

	static private inline var SELECTED_BORDER_COLOR : UInt = Utils.SEL_BG_COL - 0x222222;

	static private inline var SELECTED_TEXT_COLOR : UInt = HUGColors.WHITE;

	static private inline var SELECTED_LINK_COLOR : UInt = HUGColors.VK_BUTTON - 0x222222;

	

	static private inline var HIGHLIGHTED_BACKGROUND_COLOR : UInt = HUGColors.VK_BORDER_INNER - 0x222211;

	static private inline var HIGHLIGHTED_BORDER_COLOR : UInt = Utils.SEL_BG_COL + 0x222222;

	static private inline var HIGHLIGHTED_TEXT_COLOR : UInt = 0x002266;

	static private inline var HIGHLIGHTED_LINK_COLOR : UInt = 0x004499;

	

	static private inline var DEFAULT_BACKGROUND_COLOR : UInt = HUGColors.VK_BORDER_INNER;

	static private inline var DEFAULT_BORDER_COLOR : UInt = HUGColors.WHITE;

	static private inline var DEFAULT_TEXT_COLOR : UInt = HUGColors.VK_MENU_TEXT;

	

	static private inline var TITLE_SIZE : UInt = 13;

	static private inline var TEXT_SIZE : UInt = 11;

	

	static private inline var TEXT_ADD_TO_FAVOURITES : String = "????????? ? ?????????";

	static private inline var str: String = "???????? ? ?????????";

	

	static private var shortTitleFormat = new TextFormat("Tahoma", TITLE_SIZE, DEFAULT_TEXT_COLOR, true, false, true);

	static private var shortTextFormat = new TextFormat("Tahoma", TEXT_SIZE, DEFAULT_TEXT_COLOR, false, false, false);

	static private var selectedTitleFormat = new TextFormat("Tahoma", TITLE_SIZE, SELECTED_TEXT_COLOR, true, false, true);

	static private var selectedTextFormat = new TextFormat("Tahoma", TEXT_SIZE, SELECTED_TEXT_COLOR, false, false, false);

	static private var highlightedTitleFormat = new TextFormat("Tahoma", TITLE_SIZE, HIGHLIGHTED_TEXT_COLOR, true, false, true);

	static private var highlightedTextFormat = new TextFormat("Tahoma", TEXT_SIZE, HIGHLIGHTED_TEXT_COLOR, false, false, false);

	

	static private inline var IMAGE_HEIGHT   : UInt = 50;

	static private inline var IMAGE_WIDTH    : UInt = 50;

	private static inline var LEFT : Float =  6 + IMAGE_WIDTH;

	

	static private inline var SPACE_FROM_TOP 			: UInt = 3; 	// space before title

	static private inline var SPACE_AFTER_TITLE 		: UInt = 10;

	static private inline var SPACE_AFTER_DESCRIPTION 	: UInt = 8;

	static private inline var SPACE_AFTER_DATE 			: UInt = 8;

	

	private var w : UInt; //width

	private var addition : Float;

	private var shortNameHeight : Float;

	private var fullNameHeight : Float;

	private var fullDescriptionHeight : Float;

	private var shortDescriptionHeight : Float;



	

	// content

	private var content : INews;

	private var mode : DisplayMode;

	private var id : UInt;

	private var stateChanged : Bool;

	

	// graphical parts

	private var image :ImageLoader;

	private var fullName : HUGLabel;

	private var shortName : HUGLabel;

	private var fullDescription : HUGLabel;

	private var shortDescription : HUGLabel;

	private var date : HUGLabel;

	private var link : MyLinkButton;

	private var open : MyLinkButton;

	private var hideButton : MyLinkButton;

	private var toFriend : MyLinkButton;

	private var Add: MyLinkButton;

	public var Favorites: Array<INews>;

	private var loader : loader.Loader;

	private var dataId : Array<Int> ;



	

	public function new( panelWidth : UInt, item : INews, index : UInt, type:Int , ?disMode : DisplayMode ) {

		super();

		Favorites = new Array<INews>();

		Loader.createInstance();

		

		w = panelWidth;

		content = item;

		mode = disMode == null ? DisplayMode.short : disMode;

		id = index;

		

		addition = Std.is(content, Item) ? 0 : 150;

		

		init(type);

		generatePanel();

		

		addEventListener( MouseEvent.CLICK, onClick );

		addEventListener( MouseEvent.MOUSE_OVER, onOver );

		addEventListener( MouseEvent.MOUSE_OUT, onOut );

		addEventListener( KeyboardEvent.KEY_DOWN, onKeyDown );



	}

	

	private function init(type:Int) {

		stateChanged = true;

		

		initImage();

		initName();

		initDescription();

		initDate();

		initLink();

		initOpen(type);

		initHide(type);

		setLinkColor();

		

		initFavYesORNo(type);

		

		if (type == 1) initToFriend();

	}

	

	private function initFavYesORNo(type:Int) {

	    loader = Loader.getInstance();

		if (type==0) loader.getIDFavorites(onLoadFav);

		initAddFavorites(str, type);

	} 

	

	private function onLoadFav(data : Array < Int > ) :Void {

		

		for (channel in data)

		   if (content.getChanId() == channel) 

			 initAddFavorites(TEXT_ADD_TO_FAVOURITES, 0);	

		  				 

	}

	

	

	

	private function initImage() {

		image = new ImageLoader(Std.string(content.getLinkImg()), IMAGE_WIDTH, IMAGE_HEIGHT); // Loader.wrapImageLink()

		image.visible = true;

		image.x = 0;

		image.y = 0;

		addChild(image);

	}



	private function initName() {

		fullName = new HUGLabel();

		fullName.setTextFormat( shortTitleFormat );

		fullName.setLocation(LEFT , 0);

		fillFullName( content.getName() );

		fullName.visible = false;

		addChild(fullName);

		

		fullNameHeight = fullName.getBounds(fullName).height;

	

		shortName = new HUGLabel();

		shortName.setTextFormat( shortTitleFormat );

		shortName.setLocation(LEFT , 0);

		fillShortName( content.getName() );

		addChild(shortName);

		

		shortNameHeight = shortName.getBounds(shortName).height;

	}

	

	private function initDescription() {

		fullDescription = new HUGLabel();

		fullDescription.setLocation(LEFT ,  fullNameHeight + SPACE_AFTER_TITLE);

		fullDescription.setTextFormat( shortTextFormat );

		fullDescription.visible = false;

		fullDescription.multiline = true;

		fullDescription.text = "";

		fillFullDescription(content.getDescr() );

		addChild(fullDescription);

		

		fullDescriptionHeight = fullDescription.getBounds(fullDescription).height * 0.88;



		shortDescription = new HUGLabel();

		shortDescription.setLocation(LEFT , shortNameHeight + SPACE_AFTER_TITLE);

		shortDescription.setTextFormat( shortTextFormat );

		shortDescription.multiline = true;

		fillShortDescription( content.getDescr() );

		addChild(shortDescription);

		

		shortDescriptionHeight = 18 ; //shortDescription.getBounds(shortDescription).height ;

	}



	private function initDate() {

		date = new HUGLabel();

		date.setLocation(LEFT, fullNameHeight +

								SPACE_AFTER_TITLE + 

								fullDescriptionHeight + 

								SPACE_AFTER_DESCRIPTION );

		

		date.visible = false;

		date.text = content.getDate();

		date.setTextFormat( shortTextFormat );

		addChild(date);

	}



	private function initLink() {

		link = new MyLinkButton();

		link.setNewText("??????? ? ????????");

		link.addEventListener( MouseEvent.CLICK, openLink );

		link.setLocation(LEFT, 	fullNameHeight +

								SPACE_AFTER_TITLE + 

								fullDescriptionHeight + 

								SPACE_AFTER_DESCRIPTION + 

								date.getBounds(date).height + 

								SPACE_AFTER_DATE );

		link.visible = false;

		addChild(link);

	}

	

	private function initToFriend() {

		

		toFriend = new MyLinkButton();

		toFriend.setNewText("????????? ?????");

		toFriend.addEventListener(MouseEvent.CLICK, onSend);

		toFriend.setLocation(LEFT + link.width + 10 + open.width + 10, 	fullNameHeight + SPACE_AFTER_TITLE + fullDescriptionHeight + SPACE_AFTER_DESCRIPTION + 

		date.getBounds(date).height + SPACE_AFTER_DATE );

		toFriend.visible = false;

		addChild(toFriend);

	

	}



	private function initOpen(type:Int) {

		open = new MyLinkButton();	

		open.setNewText("???????");

		open.addEventListener( MouseEvent.CLICK, openTab );

		open.setLocation(LEFT + link.width + 10, 	fullNameHeight +

											SPACE_AFTER_TITLE + 

											fullDescriptionHeight + 

											SPACE_AFTER_DESCRIPTION + 

											date.getBounds(date).height + 

											SPACE_AFTER_DATE );

		open.visible = !Std.is(content, Item);

		if(type == 0)

		addChild(open);

	}



	private function initHide(type:Int) {

		hideButton = new MyLinkButton();

		hideButton.setNewText("??????");

		hideButton.addEventListener( MouseEvent.CLICK, onHide );

		if(type==0 )

		hideButton.setLocation(LEFT + link.width + 10 + open.width + 10, 	fullNameHeight +

														SPACE_AFTER_TITLE + 

														fullDescriptionHeight + 

														SPACE_AFTER_DESCRIPTION + 

														date.getBounds(date).height + 

														SPACE_AFTER_DATE );

        else	

		hideButton.setLocation(link.x+link.width+10,link.y );

		hideButton.visible = false;

		addChild(hideButton);

	}

	public function initAddFavorites(str:String, type:Int) {

	    Add = new MyLinkButton();

		Add.setNewText(str);

		

		if (str!=TEXT_ADD_TO_FAVOURITES)

		{Add.addEventListener( MouseEvent.CLICK, AddChan); }

		

		Add.setLocation(hideButton.x+hideButton.width+10,hideButton.y );

		Add.visible = !Std.is(content, Item);

		if(type==0)

		addChild(Add);

	}

	

	// USER METHODS /////////////////////////////////////////////////////////////////////////

	

	public function getContent() : INews {

		return content;

	}

	

	public function reduceId() {

		if (id > 0) {

			id -- ;

		}

	}

	

	public function getHeight() : Float {

		return switch(mode) {

			case(DisplayMode.hidden) : 0 ;

			case(DisplayMode.short) :

				shortNameHeight +

				SPACE_AFTER_TITLE + 

				shortDescriptionHeight + 

				5 ;

			case(DisplayMode.selected) :

				fullNameHeight +

				SPACE_AFTER_TITLE + 

				fullDescriptionHeight + 

				SPACE_AFTER_DESCRIPTION + 

				date.getBounds(date).height + 

				SPACE_AFTER_DATE +

				hideButton.getBounds(hideButton).height +

				10 ;

			case(DisplayMode.highlighted) :

				shortNameHeight +

				SPACE_AFTER_TITLE + 

				shortDescriptionHeight + 

				5 ;

		}

	}

	

	/**

	 * @param	hidden	in case it is 'true' the item becomes hidden

	 * and only a one more execution of this method with 'false' parameter

	 * can make it visible again!

	 */

	public function hide( hidden : Bool = true ) {

		if (hidden) setDisplayMode(DisplayMode.hidden);

		else setDisplayMode(DisplayMode.short);

	}

	

	

	// PRIVATE METHODS //////////////////////////////////////////////////////////////////

	

	private function generatePanel() {

		if (stateChanged) {

			drawBackground();

			//setLinkColor();

			setVisibleElements();

			setLabelFormats();

			stateChanged = false;

		}

	}

	

	private function setLabelFormats() {

		if (stateChanged) {

			switch(mode) {

				case DisplayMode.short :

					shortName.setTextFormat(shortTitleFormat);

					shortDescription.setTextFormat(shortTextFormat);

					date.setTextFormat(shortTextFormat);

				case DisplayMode.selected :

					fullName.setTextFormat(selectedTitleFormat);

					fullDescription.setTextFormat(selectedTextFormat);

					date.setTextFormat(selectedTextFormat);

				case DisplayMode.highlighted :

					shortName.setTextFormat(highlightedTitleFormat);

					fullDescription.setTextFormat(highlightedTextFormat);

					shortDescription.setTextFormat(highlightedTextFormat);

					date.setTextFormat(highlightedTextFormat);

			}

		}

	}

	

	private function setVisibleElements() {

		if (stateChanged) {

			var visibility = mode == DisplayMode.selected;

			date.visible = visibility;

			open.visible = visibility;

			link.visible = visibility;

			hideButton.visible = visibility;

			fullDescription.visible = visibility;

			shortDescription.visible = !visibility;

			fullName.visible = visibility;

			shortName.visible = !visibility;

			Add.visible = visibility;

			if (toFriend != null) toFriend.visible = visibility;

		}

	} 

	

	private function drawBackground() {

		if (stateChanged) {

			var backgroundColor = DEFAULT_BACKGROUND_COLOR;

			var borderColor = DEFAULT_BORDER_COLOR;

			switch(mode) {

				case DisplayMode.selected : 

					backgroundColor = SELECTED_BACKGROUND_COLOR;

					borderColor = SELECTED_BORDER_COLOR;

				case DisplayMode.highlighted : 

					backgroundColor = HIGHLIGHTED_BACKGROUND_COLOR;

					borderColor = HIGHLIGHTED_BORDER_COLOR;

			}

			Utils.rect( this,	// owner

						0,		// left

						0,		// top

						w,

						getHeight(),

						backgroundColor,

						borderColor );

		}

	}

	

	private function setLinkColor() {

		if (stateChanged) switch(mode) {

			case DisplayMode.selected : 

				link.setOverStateColor(SELECTED_LINK_COLOR);

				open.setOverStateColor(SELECTED_LINK_COLOR);

				hideButton.setOverStateColor(SELECTED_LINK_COLOR);

				Add.setOverStateColor(SELECTED_LINK_COLOR);

			case DisplayMode.highlighted : 

				link.setOverStateColor(HIGHLIGHTED_LINK_COLOR);

				open.setOverStateColor(HIGHLIGHTED_LINK_COLOR);

				hideButton.setOverStateColor(HIGHLIGHTED_LINK_COLOR);

				Add.setOverStateColor(HIGHLIGHTED_LINK_COLOR);

		}

	}

	

	private function setDisplayMode ( m : DisplayMode ) {

		if ( mode != m ) {

			stateChanged = true;

			mode = m;

		}

		generatePanel();

	}

	

	/**

	* we need to edit the description

	* because it might be too long

	* and so any parts will be missing.

	*/

	private function fillFullDescription(textDescription : String) {

		var text : String = StringTools.htmlUnescape(deleteTags(StringTools.htmlUnescape(textDescription)));

		var rememberText = fullDescription.text;

		fullDescription.text = "";

		

		for (i in 0 ... text.length) {

			if (text.charAt(i) != "\n")

				fullDescription.appendText(text.charAt(i) );

			if (fullDescription.getBounds(fullDescription).width * 1.3 + fullDescription.x > w ||

				text.charAt(i) == "\n" ) {

			

				fullDescription.text = rememberText + fullDescription.text + "\n";

				if( i != text.length - 1) fillFullDescription(text.substr(i + 1));

				return;

			}

		}

		fullDescription.text = rememberText + fullDescription.text + "\n";

	}

	

	/**

	* we need to edit the description

	* because it might be too long

	* and so it won't be convenient

	* to display the whole one.

	*/

	private function fillShortDescription(textDescription : String) {

		var text : String = StringTools.htmlUnescape(deleteTags(StringTools.htmlUnescape(textDescription)));

		shortDescription.text = "";

		for (i in 0 ... text.length) {

			if (text.charAt(i) != "\n")

				shortDescription.appendText(text.charAt(i) );

			if (shortDescription.getBounds(shortDescription).width * 1.14 + shortDescription.x  > w ||

				text.charAt(i) == "\n") {

				if( i != text.length - 1) shortDescription.appendText("...");

				return;

			}

		}

	}

	

	/**

	* we need to edit the name

	* because it might be too long

	* and so any parts will be missing.

	*/

	private function fillFullName(text : String) {

		var rememberText = fullName.text;

		fullName.text = "";

		

		for (i in 0 ... text.length) {

			if (text.charAt(i) != "\n")

				fullName.appendText(text.charAt(i) );

			if (fullName.getBounds(fullName).width * 1.5 + fullName.x > w ||

				text.charAt(i) == "\n" ) {

			

				fullName.text = rememberText + fullName.text + "\n";

				if( i != text.length - 1) fillFullName(text.substr(i + 1));

				return;

			}

		}

		fullName.text = rememberText + fullName.text + "\n";

	}

	

	/**

	* we need to edit the name

	* because it might be too long

	* and so it won't be convenient

	* to display the whole one.

	*/

	private function fillShortName(text : String) {

		shortName.text = "";

		for (i in 0 ... text.length) {

			if (text.charAt(i) != "\n")

				shortName.appendText(text.charAt(i) );

			if (shortName.getBounds(shortName).width * 1.5 + shortName.x > w ||

				text.charAt(i) == "\n") {

				if( i != text.length - 1) shortName.appendText("...");

				return;

			}

		}

	}

	

	

	private function deleteTags(text : String):String {

		var re : EReg = ~/<\/?[A-Za-z]+\/?>/g ;

		return re.replace(text, "");		 

	}

	

	// EVENT HANDLERS ///////////////////////////////////////////////////

	

	private function onClick(_) {

		if (mode != DisplayMode.hidden) {

			if ( mode != DisplayMode.selected ) setDisplayMode(DisplayMode.selected);

			else setDisplayMode(DisplayMode.highlighted);

		

			cast(parent, NewList).scrollTo(id);

			cast(parent, NewList).draw();

			

		}

	}

	

	private function onOver(_) {

		if (mode != DisplayMode.hidden) {

			if ( mode != DisplayMode.selected ) setDisplayMode(DisplayMode.highlighted);

			cast(parent, NewList).scrollTo(id);

			cast(parent, NewList).draw();

		}

	}

	

	private function onOut(_) {

		if (mode != DisplayMode.hidden) {

			if ( mode != DisplayMode.selected ) setDisplayMode(DisplayMode.short);

			cast(parent, NewList).draw();

		}

	}

	

	private function openLink(e : MouseEvent) {

		flash.Lib.getURL(new URLRequest(content.getLink()));

		e.stopPropagation();

	}

	

	private function openTab(e : MouseEvent) {

		cast(parent, NewList).dispatchEvent(new OpenTabEvent(content));

		e.stopPropagation();

	}

	

	private function onHide(e : MouseEvent) {

		hide();

		cast(parent, NewList).draw();

		e.stopPropagation();

	}

	

	private function onSend(e : MouseEvent) {

		var friendList : FriendList = new FriendList();

		var names : Array < String > = new Array();

		var ids : Array < Int > = new Array(); 

		var me = this;

		Loader.apiRequest.getAppFriends(function(e : Array < Int > ) { ids = e; trace("ok");

		

		Loader.apiRequest.getProfiles(ids, function(t : Array < Dynamic > ) {

			for (i in 0...ids.length) {

				names[i] = "" + t[i].firstName +"   " + t[i].lastName;

				trace(ids[i]);

			}

			

			for (i in 0...names.length) {

				friendList.addFriend(names[i], ids[i], cast(cast(me.getContent(), Item).getItemID()));

			}

			var S : Sprite = new Sprite();

			S.addChild(friendList);

			me.parent.parent.addChild(S);

			S.visible = true;

			

			

		}, function(f : String) { trace(f); } );

		

		}, function(s : String) { trace(s); } );

		

		//????? ????? ?????? id ? ???? ?????? ?????, ???????????? ?????????? 

		//names.push("name1 surname1"); names.push("name2 surname2");

		//ids.push(1); ids.push(2);

		

	}

	

	private function AddChan(e: MouseEvent) {

		Add.setNewText("????????? ? ?????????");

		Favorites.push(this.getContent());

		loader.AddToFavorites(content.getChanId());

		e.stopPropagation();

	}

	

	private function onKeyDown ( e : KeyboardEvent ) {

		switch ( e.keyCode ) {

			case Keyboard.UP : cast(parent, NewList).dispatchEvent(new ScrollEvent(ScrollEvent.UP));

			case Keyboard.DOWN : cast(parent, NewList).dispatchEvent(new ScrollEvent(ScrollEvent.DOWN));

			case Keyboard.PAGE_DOWN : cast(parent, NewList).dispatchEvent(new ScrollEvent(ScrollEvent.PAGE_DOWN));

			case Keyboard.PAGE_UP : cast(parent, NewList).dispatchEvent(new ScrollEvent(ScrollEvent.PAGE_UP));

			case Keyboard.END : cast(parent, NewList).dispatchEvent(new ScrollEvent(ScrollEvent.END));

			case Keyboard.HOME : cast(parent, NewList).dispatchEvent(new ScrollEvent(ScrollEvent.HOME));

		}

	}

}