screen.java

j2me is based on j2mepolish, client & server for mobile application. menu sample

		super();
		//#if !(polish.Bugs.fullScreenInShowNotify || polish.Bugs.fullScreenInPaint || tmp.needsNokiaUiForSystemAlerts)
			//#if tmp.fullScreen && polish.midp2
				//# super.setFullScreenMode( true );
			//#endif			
		//#endif
			
		// get the screen dimensions:
		// this is a bit complicated, since Nokia's FullCanvas fucks
		// up when calling super.getHeight(), so we need to use hardcoded values...
		
		//#ifdef tmp.menuFullScreen
			//#if polish.needsManualMenu && !tmp.fullScreen
				//# this.fullScreenHeight = getHeight();
			//#else
				//#if tmp.needsNokiaUiForSystemAlerts
					//#ifdef polish.NokiaFullCanvasHeight:defined
						//#= this.fullScreenHeight = ${ polish.NokiaFullCanvasHeight };
					//#else
						//# this.fullScreenHeight = getHeight();
					//#endif
				//#else
					//#ifdef polish.FullCanvasHeight:defined
						//#= this.fullScreenHeight = ${ polish.FullCanvasHeight };
					//#else
						//# this.fullScreenHeight = getHeight();
					//#endif
				//#endif
			//#endif
			//# this.screenHeight = this.fullScreenHeight; 
		//#else
			this.screenHeight = getHeight();
		//#endif
		this.originalScreenHeight = this.screenHeight;
		
		//#ifdef polish.ScreenWidth:defined
			//#= this.screenWidth = ${ polish.ScreenWidth };
		//#else
			this.screenWidth = getWidth();
		//#endif
		//#if tmp.useScrollBar
			//# this.scrollBar.screen = this;
		//#endif
						
		// creating standard container:
		if (createDefaultContainer) {
			this.container = new Container( true );
			this.container.screen = this;
			this.container.isFocused = true;
		}
		this.style = style;
		this.forwardCommandListener = new ForwardCommandListener();
		//#ifndef tmp.menuFullScreen
			super.setCommandListener(this.forwardCommandListener);
		//#endif
		//#ifdef tmp.useExternalMenuBar
			//#style menubar, menu, default
			//# this.menuBar = new MenuBar( this );
		//#endif
		setTitle( title );
	}
		
	/**
	 * Initialises this screen before it is painted for the first time.
	 */
	private void init() {
		//#debug
		//# System.out.println("Initialising screen " + this );
		boolean startAnimationThread = false;
		if (StyleSheet.animationThread == null) {
			StyleSheet.animationThread = new AnimationThread();
			startAnimationThread = true;
		}
		//#ifdef polish.Screen.initCode:defined
			//#include ${polish.Screen.initCode}
		//#endif
		if (this.style != null) {
			setStyle( this.style );
		}
		//#ifdef polish.useDynamicStyles
			//# // check if this screen has got a style:
			//# if (this.style == null) {
				//# this.cssSelector = createCssSelector();
				//# setStyle( StyleSheet.getStyle( this ) );
			//# } else {
				//# this.cssSelector = this.style.name;
			//# }
		//#endif
		//#ifdef tmp.menuFullScreen
			//#ifdef tmp.useExternalMenuBar
				//# int availableScreenWidth = this.screenWidth;
				//#if polish.css.separate-menubar
					//# if (!this.separateMenubar) {
						//# availableScreenWidth -= (this.marginLeft + this.marginRight);
					//# }
				//#endif
//# 
				//# this.menuBarHeight = this.menuBar.getItemHeight( availableScreenWidth, availableScreenWidth );
				//#if tmp.useScrollIndicator
					//# int scrollWidth = this.menuBar.contentHeight + this.menuBar.paddingTop + this.menuBar.paddingBottom;
					//# int scrollHeight = scrollWidth;
					//#if polish.css.scrollindicator-up-image
						//# if (this.scrollIndicatorUpImage != null) {
							//# scrollWidth = this.scrollIndicatorUpImage.getWidth(); 
							//# scrollHeight = this.scrollIndicatorUpImage.getHeight();
						//# }
					//#elif polish.css.scrollindicator-down-image
						//# if (this.scrollIndicatorDownImage != null) {
							//# scrollWidth = this.scrollIndicatorDownImage.getWidth(); 
							//# scrollHeight = this.scrollIndicatorDownImage.getHeight();
						//# }
					//#endif
					//# this.scrollIndicatorWidth = scrollWidth;
					//# this.scrollIndicatorHeight = scrollHeight;
					//# this.scrollIndicatorX = (this.screenWidth >> 1) - (scrollWidth >> 1);
					//# int space = Math.max( 0, this.menuBarHeight - ((scrollHeight << 1) + 1) );
					//# //System.out.println("space=" + space + ", menubarHEIGHT="+ this.menuBarHeight);
					//# this.scrollIndicatorY = (this.fullScreenHeight - this.menuBarHeight) + (space >> 1);
				//#endif
				//# //System.out.println("without ExternalMenu: scrollIndicatorY=" + this.scrollIndicatorY + ", screenHeight=" + this.screenHeight + ", FullScreenHeight=" + this.fullScreenHeight );	
				//# //System.out.println("Screen.init: menuBarHeight=" + this.menuBarHeight + " scrollIndicatorWidth=" + this.scrollIndicatorWidth );
			//#else
				//#ifdef polish.css.style.menu
					//# Style menustyle = StyleSheet.menuStyle;
				//#else
					//# Style menustyle = this.style;
				//#endif
				//# if (menustyle != null) {
					//# Integer colorInt = null;
					//# if (this.style != null) {
						//# colorInt = this.style.getIntProperty(16);
					//# }
					//# if (colorInt == null) {
						//# colorInt = menustyle.getIntProperty(16);
					//# }
					//# if (colorInt != null) {
						//# this.menuBarColor = colorInt.intValue();
					//# }
					//# this.menuFontColor = menustyle.getFontColor();
					//# if (menustyle.font != null) {
						//# this.menuFont = menustyle.font;
					//# } else {
						//# this.menuFont = Font.getFont( Font.FACE_SYSTEM, Font.STYLE_BOLD, Font.SIZE_MEDIUM );				
					//# }			
				//# } else {
					//# this.menuFont = Font.getFont( Font.FACE_SYSTEM, Font.STYLE_BOLD, Font.SIZE_MEDIUM );
				//# }
				//# int localMenuBarHeight = this.menuFont.getHeight();
				//#ifdef polish.MenuBar.PaddingBottom:defined
					//#= localMenuBarHeight += ${polish.MenuBar.PaddingBottom};  
				//#endif
				//#ifdef polish.MenuBar.PaddingTop:defined
					//#= localMenuBarHeight += ${polish.MenuBar.PaddingTop};  
				//#endif
				//#if !polish.MenuBar.PaddingBottom:defined && !polish.MenuBar.PaddingTop:defined
					//# localMenuBarHeight += 2;
				//#endif
				//#if tmp.useScrollIndicator
					//# int scrollWidth = localMenuBarHeight;
					//# int scrollHeight = scrollWidth >> 1;
					//#if polish.css.scrollindicator-up-image
						//# if (this.scrollIndicatorUpImage != null) {
							//# scrollWidth = this.scrollIndicatorUpImage.getWidth(); 
							//# scrollHeight = this.scrollIndicatorUpImage.getHeight();
						//# }
					//#elif polish.css.scrollindicator-down-image
						//# if (this.scrollIndicatorDownImage != null) {
							//# scrollWidth = this.scrollIndicatorDownImage.getWidth(); 
							//# scrollHeight = this.scrollIndicatorDownImage.getHeight();
						//# }
					//#endif
					//# this.scrollIndicatorWidth = scrollWidth;
					//# this.scrollIndicatorHeight = scrollHeight;
					//# this.scrollIndicatorX = this.screenWidth / 2 - scrollWidth / 2;
					//# int space = Math.max( 0, localMenuBarHeight - ((scrollHeight << 1) + 1) );
					//# this.scrollIndicatorY = (this.fullScreenHeight - localMenuBarHeight) + (space >> 1);
				//#endif
				//# //System.out.println("without ExternalMenu: scrollIndicatorY=" + this.scrollIndicatorY + ", screenHeight=" + this.screenHeight + ", FullScreenHeight=" + this.fullScreenHeight + ", localMenuBarHeight=" + localMenuBarHeight);	
				//#ifdef polish.MenuBar.MarginBottom:defined 
					//#= localMenuBarHeight += ${polish.MenuBar.MarginBottom};
					//#= this.scrollIndicatorY -=  ${polish.MenuBar.MarginBottom};
				//#endif
				//#ifdef polish.MenuBar.MarginTop:defined 
					//#= localMenuBarHeight += ${polish.MenuBar.MarginTop};
				//#endif
				//#if polish.doja
					//# localMenuBarHeight = 0;
				//#endif
				//# this.menuBarHeight = localMenuBarHeight;
				//# updateMenuTexts();
			//#endif
			//# int diff = this.originalScreenHeight - this.screenHeight;
			//# this.originalScreenHeight = this.fullScreenHeight - this.menuBarHeight;
			//# this.screenHeight = this.originalScreenHeight - diff;
			//# // set position of scroll indicator:
		//#elif polish.vendor.Siemens && tmp.useScrollIndicator
			//# // set the position of scroll indicator for Siemens devices 
			//# // on the left side, so that the menu-indicator is visible:
			//# int scrollWidth = 12;
			//#if polish.css.scrollindicator-up-image
				//# if (this.scrollIndicatorUpImage != null) {
					//# scrollWidth = this.scrollIndicatorUpImage.getWidth(); 
				//# }
			//#elif polish.css.scrollindicator-down-image 
				//# if (this.scrollIndicatorDownImage != null) {
					//# scrollWidth = this.scrollIndicatorDownImage.getWidth(); 
				//# }
			//#endif
			//# this.scrollIndicatorWidth = scrollWidth;
			//# this.scrollIndicatorX = 0;
			//# this.scrollIndicatorY = this.screenHeight - (this.scrollIndicatorWidth + 1);
		//#elif tmp.useScrollIndicator
			// set position of scroll indicator:
			int scrollWidth = 12;
			//#if polish.css.scrollindicator-up-image
				//# if (this.scrollIndicatorUpImage != null) {
					//# scrollWidth = this.scrollIndicatorUpImage.getWidth(); 
				//# }
			//#elif polish.css.scrollindicator-down-image 
				//# if (this.scrollIndicatorDownImage != null) {
					//# scrollWidth = this.scrollIndicatorDownImage.getWidth(); 
				//# }
			//#endif
			this.scrollIndicatorWidth = scrollWidth;
			this.scrollIndicatorX = this.screenWidth - this.scrollIndicatorWidth;
			this.scrollIndicatorY = this.screenHeight - (this.scrollIndicatorWidth + 1);
		//#endif
			
		//System.out.println("final: scrollIndicatorY=" + this.scrollIndicatorY + ", screenHeight=" + this.screenHeight + ", FullScreenHeight=" + this.fullScreenHeight );	
		if (this.container != null) {
			this.container.screen = this;
		}
		//#if !tmp.menuFullScreen
			this.screenHeight = getHeight();
		//#elif tmp.useExternalMenuBar
			//# this.menuBar.relativeY = this.screenHeight;
		//#endif
		calculateContentArea( 0, 0, this.screenWidth, this.screenHeight );
		
		// start the animmation thread if necessary: 
		if (startAnimationThread) {
			StyleSheet.animationThread.start();
		}
		this.isInitialized = true;
	}
		
	/**
	 * Calculates and sets the content area for this screen.
	 * Usually no items are painted outside of the specified area.
	 * This method knows about the title, subtitle, infoarea and ticker
	 * and adjusts the content area accordingly
	 * 
	 * @param x left start of the content area, might later be adjusted by an external scrollindicator
	 * @param y top start of the content area, is adjusted by the top margin, title height, subtitle height, 
	 *        info height and maybe ticker height (when the ticker should be painted at the top).
	 * @param width width of the content area, might later be adjusted by an external scrollindicator
	 * @param height height of the content area, is adjusted by the title height, subtitle height, 
	 *        info height and ticker height.
	 */
	protected void calculateContentArea( int x, int y, int width, int height ) {
		//#debug
		//# System.out.println("calculateContentArea(" + x + ", " + y + ", " + width + ", " + height + ")");
		
		x += this.marginLeft;
		width -= this.marginLeft + this.marginRight;
		y += this.marginTop;
		height -= this.marginTop; // + this.marginBottom;
		//#if !polish.css.title-position || !tmp.usingTitle
			int topHeight = this.titleHeight + this.subTitleHeight + this.infoHeight;
		//#else
			//# int topHeight = this.subTitleHeight + this.infoHeight;
			//# if (this.paintTitleAtTop) {
				//# topHeight += this.titleHeight;
			//# } else {
				//# height -= this.titleHeight;
			//# }
		//#endif
		y += topHeight;
		//#ifndef polish.skipTicker			
			//# int tickerHeight = 0;
			//# if (this.ticker != null) {
				//# tickerHeight = this.ticker.getItemHeight( width, width );
			//# } 	
			//# height -= topHeight + tickerHeight;
		//#else
			height -= topHeight;	
		//#endif
		//#if tmp.useScrollBar
			//# if ( this.container != null ) {
				//# this.scrollBar.scrollBarHeight = height;
				//# //System.out.println("calculateContentArea for " + this + ": container.isInitialised=" + this.container.isInitialised );
				//# int scrollBarWidth = this.scrollBar.getItemWidth(width, width);
				//# int containerHeight = this.container.getItemHeight(width - scrollBarWidth, width - scrollBarWidth);
				//# if (containerHeight > height) {
					//# //System.out.println("calculateContentArea for" + this + ": scrollBar is required for containerHeight of " + containerHeight + ", availableHeight=" + height );					
					//# width -= scrollBarWidth;
				//# } else {
					//# //System.out.println("calculateContentArea for" + this + ": scrollBar is NOT required for containerHeight of " + containerHeight + ", availableHeight=" + height );					
					//# this.container.requestFullInit();
				//# }
			//# }
		//#endif
			
		// now set the content coordinates:	
		this.contentX = x;
		//#ifndef polish.skipTicker			
			//#if tmp.paintTickerAtTop
				//# y += tickerHeight;
			//#elif polish.css.ticker-position && !polish.TickerPosition:defined
				//# if (this.paintTickerAtTop) {
					//# y += tickerHeight;
				//# }
			//#endif
		//#endif
		this.contentY = y;
		this.contentWidth = width;
		this.contentHeight = height;
		//#debug
		//# System.out.println("calculateContentArea: x=" + this.contentX + ", y=" + this.contentY + ", width=" + this.contentWidth + ", height=" + this.contentHeight);
		if (this.container != null) {
			this.container.setScrollHeight( height );
		}
	}
	
	

	/**
	 * Initialises this screen and informs all items about being painted soon.
	 */
	public void showNotify() {
		//#debug