choicegroup.java

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

	 * 
	 * @param fitPolicy preferred content fit policy for choice elements
	 * @see Choice#setFitPolicy(int) in interface Choice
	 * @see #getFitPolicy()
	 * @since  MIDP 2.0
	 */
	public void setFitPolicy(int fitPolicy)
	{
		//this.fitPolicy = fitPolicy;
		// ignore hint
	}

	/**
	 * Gets the application's preferred policy for fitting
	 * <code>Choice</code> element contents to the available screen space.  The value returned is the
	 * policy that had been set by the application, even if that value had
	 * been disregarded by the implementation.
	 * 
	 * @return always Choice.TEXT_WRAP_ON
	 * @see Choice#getFitPolicy() in interface Choice
	 * @see #setFitPolicy(int)
	 * @since  MIDP 2.0
	 */
	public int getFitPolicy()
	{
		return Choice.TEXT_WRAP_ON;
	}

	/**
	 * Sets the application's preferred font for
	 * rendering the specified element of this <code>Choice</code>.
	 * An element's font is a hint, and the implementation may disregard
	 * the application's preferred font.
	 * The J2ME Polish implementation uses the font defined by the appropriate
	 * CSS style and ignores the font which is set here.
	 * 
	 * @param elementNum the index of the element, starting from zero
	 * @param font the preferred font to use to render the element
	 * @throws IndexOutOfBoundsException if elementNum is invalid
	 * @see Choice#setFont(int, Font) in interface Choice
	 * @see #getFont(int)
	 * @since  MIDP 2.0
	 */
	public void setFont(int elementNum, Font font)
	{
		ChoiceItem item = (ChoiceItem) this.itemsList.get( elementNum );
		item.setPreferredFont( font );
	}

	/**
	 * Gets the application's preferred font for
	 * rendering the specified element of this <code>Choice</code>. The
	 * value returned is the font that had been set by the application,
	 * even if that value had been disregarded by the implementation.
	 * If no font had been set by the application, or if the application
	 * explicitly set the font to <code>null</code>, the value is the default
	 * font chosen by the implementation.
	 * 
	 * <p> The <code>elementNum</code> parameter must be within the range
	 * <code>[0..size()-1]</code>, inclusive.</p>
	 * 
	 * @param elementNum the index of the element, starting from zero
	 * @return the preferred font to use to render the element
	 * @throws IndexOutOfBoundsException if elementNum is invalid
	 * @see Choice#getFont(int) in interface Choice
	 * @see #setFont(int elementNum, Font font)
	 * @since  MIDP 2.0
	 */
	public Font getFont(int elementNum)
	{
		ChoiceItem item = (ChoiceItem) this.itemsList.get( elementNum );
		Font font = item.preferredFont;
		if (font == null) {
			font = item.font;
		}
		return font;
	}
	//#ifdef polish.usePopupItem
	//# protected void hideNotify() {
		//# if (this.isPopup && !this.isPopupClosed) {
			//# closePopup();
		//# }
	//# }
	//#endif

	//#ifdef polish.usePopupItem
	//# /* (non-Javadoc)
	 //# * @see de.enough.polish.ui.Item#paint(int, int, javax.microedition.lcdui.Graphics)
	 //# */
	//# public void paintContent(int x, int y, int leftBorder, int rightBorder, Graphics g) {
		//#if tmp.supportViewType
			//# if (this.containerView != null) {
				//# super.paintContent(x, y, leftBorder, rightBorder, g);
				//# return;
			//# }
		//#endif
		//# if (this.isPopup && this.isPopupClosed) {
			//# this.popupItem.paintContent(x, y, leftBorder, rightBorder, g);
		//# } else {
			//# super.paintContent(x, y, leftBorder, rightBorder, g );
		//# }
	//# }
	//#endif
	
	//#ifdef polish.usePopupItem
	//# protected void init( int firstLineWidth, int lineWidth ) {
		//# super.init(firstLineWidth, lineWidth);
		//#if tmp.supportViewType
			//# if (this.containerView != null) {
				//# return;
			//# }
		//#endif
		//# if (this.isPopup && !this.isPopupClosed) {
			//# this.backgroundWidth += (this.originalContentWidth - this.contentWidth); 
			//# this.backgroundHeight += (this.originalContentHeight - this.contentHeight); 
		//# }
	//# }
	//#endif


	//#ifdef polish.usePopupItem
	//# /* (non-Javadoc)
	 //# * @see de.enough.polish.ui.Item#initItem()
	 //# */
	//# protected void initContent(int firstLineWidth, int lineWidth) {
		//# super.initContent(firstLineWidth, lineWidth);
		//#if tmp.supportViewType
			//# if (this.containerView != null) {
				//# return;
			//# }
		//#endif
		//# if (this.isPopup) {
			//# if (this.popupItem.image == null) {
				//# this.popupItem.setImage( createPopupImage() );
			//# }
			//# if (this.isPopupClosed) {
				//# if (this.popupItem.getText() == null && this.itemsList.size() > 0) {
					//# ChoiceItem selectedItem = (ChoiceItem) this.itemsList.get( 0 );
					//# this.popupItem.setText( selectedItem.getText() );
				//# }
				//# if (!this.popupItem.isInitialized) {
					//# int noneContentWidth = this.marginLeft + this.borderWidth + this.paddingLeft
								//# + this.marginRight + this.borderWidth + this.paddingRight;
					//# this.popupItem.init(firstLineWidth + noneContentWidth, lineWidth + noneContentWidth);
				//# }
			//# } else {
				//# this.originalContentWidth = this.contentWidth;
				//# this.originalContentHeight = this.contentHeight;
			//# }
			//# //this.contentWidth = this.popupItem.contentWidth;			
			//# this.contentHeight = this.popupItem.contentHeight;
		//# }
	//# }
	//#endif

	//#ifdef polish.useDynamicStyles
	//# /* (non-Javadoc)
	 //# * @see de.enough.polish.ui.Item#getCssSelector()
	 //# */
	//# protected String createCssSelector() {
		//# return "choicegroup";
	//# }
	//#endif
		
	//#ifdef polish.usePopupItem
	//# private void closePopup() {
		//# this.isPopupClosed = true;
		//# if (this.parent instanceof Container) {
			//# ((Container)this.parent).setScrollYOffset( this.popupParentOpenY );
			//# this.internalX = -9999;
		//# }
	//# }
	//#endif

	//#ifdef polish.usePopupItem
	//# private void openPopup() {
		//# //this.popupOpenY = this.yTopPos; 
		//# if (this.parent instanceof Container) {
			//# this.popupParentOpenY = ((Container)this.parent).getScrollYOffset();
		//# }
		//# this.isPopupClosed = false;
		//# focus( this.selectedIndex );
		//# // recalculate the internal positions of the selected choice:
		//# Item item = this.items[ this.selectedIndex ];
		//# if (item.isInitialized) {
			//# this.internalY = item.relativeY;
			//# this.internalHeight = item.itemHeight;
			//# this.internalX = item.relativeX;
			//# this.internalWidth = item.itemWidth;
		//# } else {
			//# this.internalX = 0;
			//# this.internalY = 0;
			//# this.internalHeight = this.itemHeight + 20;
			//# this.internalWidth = this.itemWidth;
		//# }
	//# }
	//#endif
	
	/* (non-Javadoc)
	 * @see de.enough.polish.ui.Item#handleKeyPressed(int, int)
	 */
	protected boolean handleKeyPressed(int keyCode, int gameAction) {
		if (this.itemsList.size() == 0) {
			return super.handleKeyPressed(keyCode, gameAction);
		}
		//#if polish.ChoiceGroup.handleDefaultCommandFirst == true
			//# if (gameAction == Canvas.FIRE) {
				//#ifdef polish.usePopupItem
					//# if (!this.isPopup || this.isPopupClosed) {
				//#endif
				//#ifndef tmp.suppressAllCommands
					//# if (this.defaultCommand != null && this.additionalItemCommandListener != null) {
						//# this.additionalItemCommandListener.commandAction( this.defaultCommand, this );
						//# return true;
					//# }
				//#else
					//# if (this.defaultCommand != null && this.itemCommandListener != null) {
						//# this.itemCommandListener.commandAction( this.defaultCommand, this );
						//# return true;
					//# }
				//#endif
				//#ifdef polish.usePopupItem
				//# }
				//#endif
			//# }
		//#endif
		boolean processed = false;
		//#ifdef polish.usePopupItem
		//# if (!(this.isPopup && this.isPopupClosed)) {
			//# processed = super.handleKeyPressed(keyCode, gameAction);
			//#debug
			//# System.out.println("ChoiceGroup: container handled keyPressEvent: " + processed);
		//# }
		//# if (!processed) {
			//# if ( gameAction == Canvas.FIRE && keyCode != Canvas.KEY_NUM5 ) {
				//# if (this.isMultiple) {
					//# ChoiceItem item = (ChoiceItem) this.focusedItem;
					//# item.toggleSelect();
				//# } else if (this.isPopup){
					//# if (this.isPopupClosed) {
						//# openPopup();
					//# } else {
						//# setSelectedIndex(this.focusedIndex, true);
						//# closePopup();
					//# }
					//# requestInit();
				//# } else {
					//# setSelectedIndex(this.focusedIndex, true);
					//# if (this.isImplicit) {
						//# // call command listener:
						//# Screen scr = getScreen();
						//# if (scr != null) {
							//# Command selectCmd = this.selectCommand;
							//# if (selectCmd == null) {
								//# selectCmd = List.SELECT_COMMAND;
							//# }
							//# scr.callCommandListener( selectCmd );
						//# }
					//# }
				//# }
				//# if ( (this.choiceType != IMPLICIT) 
						//# && !(this.isPopup && !this.isPopupClosed)
						//# && (this.getScreen() instanceof Form) ) {
					//# notifyStateChanged();
				//# }
				//# return true;
			//# } else {
				//#if polish.Container.dontUseNumberKeys != true
				//# if (keyCode >= Canvas.KEY_NUM1 && keyCode <= Canvas.KEY_NUM9) {
					//# int index = keyCode - Canvas.KEY_NUM1;
					//# if (index < this.itemsList.size()) {
						//# if (!this.isPopup || !this.isPopupClosed) {
							//# // either this is not a POPUP or the POPUP is opened:
							//# setSelectedIndex( index, true );
							//# if (this.isPopup) {
								//# closePopup();
							//# }
							//# if ( (this.choiceType != IMPLICIT) 
									//# && (this.getScreen() instanceof Form) ) {
								//# notifyStateChanged();
							//# }
							//# if (this.isImplicit) {
								//# // call command listener:
								//# Screen scr = getScreen();
								//# if (scr != null) {
									//# Command selectCmd = this.selectCommand;
									//# if (selectCmd == null) {
										//# selectCmd = List.SELECT_COMMAND;
									//# }
									//# scr.callCommandListener( selectCmd );
								//# }
							//# }
							//# return true;
						//# }
					//# }
				//# } else if (this.isPopup && (this.isPopupClosed == false)) {
					//# closePopup();
					//# return true;
				//# }
				//#endif
			//# }
		//# }
		//#else
		// no popup item is used by this application:
		processed = super.handleKeyPressed(keyCode, gameAction);
		if (!processed) {
			if (gameAction == Canvas.FIRE && keyCode != Canvas.KEY_NUM5 && this.focusedIndex != -1 ) {
				if (this.isMultiple) {
					ChoiceItem item = (ChoiceItem) this.focusedItem;
					item.toggleSelect();
				} else {
					setSelectedIndex(this.focusedIndex, true);
				}
				if ( (this.choiceType != IMPLICIT) 
						&& (this.getScreen() instanceof Form) ) 
				{
					notifyStateChanged();
				}
				if (this.isImplicit) {
					// call command listener:
					Screen scr = getScreen();
					if (scr != null) {
						Command selectCmd = this.selectCommand;
						if (selectCmd == null) {
							selectCmd = List.SELECT_COMMAND;
						}
						scr.callCommandListener( selectCmd );
					}
				}
				return true;
			//#if polish.Container.dontUseNumberKeys != true
			} else if ( (keyCode >= Canvas.KEY_NUM1) && (keyCode <= Canvas.KEY_NUM9) ) {
				int index = keyCode - Canvas.KEY_NUM1;
				if (index < this.itemsList.size()) {
					setSelectedIndex( index, true );
					if ((this.choiceType != IMPLICIT) 
						&& (this.getScreen() instanceof Form) ) 
					{
						notifyStateChanged();
					}
					if (this.isImplicit) {
						// call command listener: