datefield.java

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

	
	/* (non-Javadoc)
	 * @see de.enough.polish.ui.Item#handleKeyPressed(int, int)
	 */
	protected synchronized boolean handleKeyPressed(int keyCode, int gameAction) {
		//#if polish.blackberry
			//# if (true) {
				//# return false;
			//# }
		//#endif
		//#if tmp.directInput
			//# // there are several possble situations:
			//# // backspace: delete last char, move internal focus left
			//# // left, right: move internal focus left/right
			//# // input of number: a) plausibility check, b) move internal focus right
			//# // up, down: exit editing mode, set default values.
			//# // 		parse time/date and so on.
//# 			
			//# // check for input of numbers 
			//# if ( keyCode >= Canvas.KEY_NUM0 && keyCode <= Canvas.KEY_NUM9  ) 
			//# {
				//# if (this.date == null) {
					//# setDate( new Date( System.currentTimeMillis() ) );
				//# }
				//# char c = Integer.toString( keyCode - Canvas.KEY_NUM0 ).charAt( 0 );
				//# String newText = this.text.substring( 0, this.editIndex ) + c;
				//# if ( this.editIndex < this.text.length() -1 ) {
					//# newText += this.text.substring( this.editIndex + 1 );
				//# }
				//# setText( newText );
				//# moveForward();
			//#ifdef polish.key.ClearKey:defined
				//#= } else if ( this.date != null && (gameAction == Canvas.LEFT || keyCode == ${polish.key.ClearKey}) ) {
			//#else
				//# } else if ( this.date != null && gameAction == Canvas.LEFT ) {
			//#endif
				//# moveBackward();
			//# } else if ( this.date != null && gameAction == Canvas.RIGHT ) {
				//# moveForward();
			//# } else if (gameAction != Canvas.FIRE){
				//# // force check before leaving this date=-field:
				//# if (this.date != null) {
					//# moveForward();
					//# this.currentField = 0;
					//# this.currentFieldStartIndex = 0;
					//# this.editIndex = 0;
					//#if polish.css.font-bitmap
						//# this.caretViewer = null;
					//#endif
				//# }
				//# return false;
			//# }
//# 
		//#else
			if ( (keyCode >= Canvas.KEY_NUM0 && keyCode <= Canvas.KEY_NUM9) || gameAction == Canvas.FIRE ) 
			{
				showDateForm();
			} else {
				return false;
			}
		//#endif
		return true;
	}
	
	//#if tmp.directInput
	//# private void moveBackward() {
		//# if (this.date == null) {
			//# return;
		//# }
		//# int forwardIndex = this.editIndex;
		//# while (Character.isDigit( this.text.charAt(forwardIndex))) {
			//# forwardIndex++;
			//# if (forwardIndex == this.text.length() ) {
				//# forwardIndex = 0;
				//# break;
			//# }
		//# }
//# 		
		//# int newIndex = this.editIndex -1;
		//# while (true) {
			//# if ( newIndex < 0 ) {
				//# checkField( forwardIndex );
				//# newIndex = this.text.length() - 1;
				//# if (this.inputMode == DATE) {
					//# this.currentField = 2;
				//# } else if ( this.inputMode == TIME ) {
					//# this.currentField = 1;
				//# } else {
					//# this.currentField = 4;
				//# }
			//# }
			//# char c = this.text.charAt( newIndex );
			//# // break when the character is a digit:
			//# if ( Character.isDigit(c) ) {
				//# break;
			//# }
			//# checkField( forwardIndex );
			//# this.currentField--;
			//# newIndex--;
		//# }
		//# this.editIndex = newIndex;
		//# // now find the correct start-index for the current field:
		//# if (newIndex == 0) {
			//# this.currentFieldStartIndex = 0;
		//# } else {
			//# while ( Character.isDigit( this.text.charAt( newIndex )) ) {
				//# newIndex--;
				//# if (newIndex == -1) {
					//# break;
				//# }
			//# }
			//# this.currentFieldStartIndex = newIndex + 1;
		//# }
		//#if polish.css.font-bitmap
			//# if (this.bitMapFontViewer != null) {
				//# char editChar = this.text.charAt( this.editIndex );
				//# BitMapFontViewer viewer = this.bitMapFont.getViewer( "" + editChar );
				//# this.caretViewer = viewer;
				//# this.caretWidth = viewer.getWidth();
				//# if (this.editIndex == 0) {
					//# this.caretX = 0;
				//# } else {
					//# viewer = this.bitMapFont.getViewer( this.text.substring( 0, this.editIndex ));
					//# this.caretX = viewer.getWidth();
				//# }
				//# this.fontHeight = viewer.getFontHeight();
			//# }
		//#endif
	//# }
	//#endif

	//#if tmp.directInput
	//# private void moveForward() {
		//# int newIndex = this.editIndex + 1;
		//# while (true) {
			//# if ( newIndex >= this.text.length() ) {
				//# newIndex = 0;
				//# checkField( newIndex );
				//# this.currentField = 0;
				//# this.currentFieldStartIndex = 0;
			//# }
			//# char c = this.text.charAt( newIndex );
			//# // break when the character is a digit:
			//# if ( Character.isDigit(c) ) {
				//# break;
			//# }
			//# // okay, we're entering a new field, so check the value of the last field now:
			//# checkField( newIndex );
			//# newIndex++;
			//# this.currentFieldStartIndex = newIndex;
			//# this.currentField++;
		//# }
		//# this.editIndex = newIndex;
		//#if polish.css.font-bitmap
			//# if (this.bitMapFontViewer != null) {
				//# if (newIndex == 0) {
					//# this.caretX = 0;
				//# } else {
					//# String header = this.text.substring( 0, newIndex );
					//# BitMapFontViewer viewer = this.bitMapFont.getViewer( header );
					//# this.caretX = viewer.getWidth();
					//# //System.out.println("Width of [" + header + "]=" + this.caretX );
				//# }
//# 				
				//# char editChar = this.text.charAt( newIndex );
				//# //System.out.println("MoveForward: text[" + newIndex + "]=" + editChar );
				//# BitMapFontViewer viewer = this.bitMapFont.getViewer( "" + editChar );
				//# this.caretViewer = viewer;
				//# this.caretWidth = viewer.getWidth();
				//# this.fontHeight = viewer.getFontHeight();
				//# //System.out.println("moveForward: caretX=" + this.caretX );
			//# }
		//#endif
	//# }
	//#endif
	
	//#if tmp.directInput
	//# private void checkField(int newIndex) {
		//# String fieldStr;
		//# if ( newIndex == 0 ) {
			//# fieldStr = this.text.substring( this.currentFieldStartIndex );
		//# } else {
			//# fieldStr = this.text.substring( this.currentFieldStartIndex, newIndex );
		//# }
		//# int fieldValue = Integer.parseInt( fieldStr );
//# 		
		//# // check the actual value:
		//# if (this.calendar == null) {
			//# this.calendar = Calendar.getInstance();
			//# this.calendar.setTimeZone(this.timeZone);
		//# }
		//# this.calendar.setTime( this.date );
		//# int calendarField = -1;
//# 		
		//# if ((this.inputMode == DATE) || (this.inputMode == DATE_TIME)) {
			//#if (polish.DateFormat == us) || (polish.DateFormat == mdy) 
				//# switch (this.currentField) {
				//# case 0: calendarField = Calendar.MONTH; break;
				//# case 1: calendarField = Calendar.DAY_OF_MONTH; break;
				//# case 2: calendarField =  Calendar.YEAR; break;
				//# }
			//#elif (polish.DateFormat == de) || (polish.DateFormat == fr) || (polish.DateFormat == dmy)
				//# switch (this.currentField) {
				//# case 0: calendarField = Calendar.DAY_OF_MONTH; break;
				//# case 1: calendarField = Calendar.MONTH; break;
				//# case 2: calendarField =  Calendar.YEAR; break;
				//# }
			//#else
				//# switch (this.currentField) {
				//# case 0: calendarField =  Calendar.YEAR; break;
				//# case 1: calendarField = Calendar.MONTH; break;
				//# case 2: calendarField = Calendar.DAY_OF_MONTH; break;
				//# }
			//#endif
		//# } 
		//# if ( this.inputMode == DATE_TIME ) {
			//# switch (this.currentField) {
			//# case 3: calendarField =  Calendar.HOUR_OF_DAY; break;
			//# case 4: calendarField = Calendar.MINUTE; break;
			//# }
//# 
		//# } else if ( this.inputMode == TIME ) {
			//# switch (this.currentField) {
			//# case 0: calendarField =  Calendar.HOUR_OF_DAY; break;
			//# case 1: calendarField = Calendar.MINUTE; break;
			//# }
		//# }
//# 		
		//# if ( calendarField == -1 ) {
			//#debug warn
			//# System.out.println("Unable to to set field [" + this.currentField + "]: unknown index.");
			//# return;
		//# } else {
			//# switch (calendarField) {
			//# case Calendar.DAY_OF_MONTH:
				//# if ( fieldValue < 1 ) {
					//# fieldValue = 1;
				//# } else {
					//# int month = this.calendar.get( Calendar.MONTH );
					//# int maxDay = DAYS_IN_MONTHS[ month ];
					//# if ( fieldValue > maxDay ) {
						//# fieldValue = maxDay;
					//# }
				//# }
				//# break;
			//# case Calendar.MONTH:
				//# if (fieldValue < 1) {
					//# fieldValue = 1;
				//# } else if ( fieldValue > 12 ) {
					//# fieldValue = 12;
				//# }
				//# fieldValue--;
				//# break;
			//# case Calendar.HOUR_OF_DAY:
				//# if (fieldValue == 24) {
					//# fieldValue = 0;
				//# } else if (fieldValue > 24) {
					//# fieldValue = 23;
				//# }
				//# break;
			//# case Calendar.MINUTE:
				//# if (fieldValue > 59) {
					//# fieldValue = 59;
				//# }
				//# break;
			//# }
			//# this.calendar.set( calendarField, fieldValue );
			//# boolean changed = false;
			//# try {
				//# Date newDate = this.calendar.getTime();
				//# setDate( newDate );
				//# changed = true;
			//# } catch (IllegalArgumentException e) {
				//# if (calendarField ==  Calendar.DAY_OF_MONTH ||  calendarField == Calendar.MONTH ) {
					//# int month = calendarField == Calendar.MONTH ? fieldValue : this.calendar.get( Calendar.MONTH );
					//# int day = calendarField == Calendar.DAY_OF_MONTH ? fieldValue : this.calendar.get( Calendar.DAY_OF_MONTH );
					//# int maxDay = DAYS_IN_MONTHS[ month ];
					//# if ( month == 2 ) {
						//# maxDay = 28;
					//# }
					//# if ( day > maxDay ) {
						//# this.calendar.set( Calendar.DAY_OF_MONTH, maxDay );
						//# try {
							//# setDate( this.calendar.getTime() );
							//# changed = true;
						//# } catch ( IllegalArgumentException e2 ) {
							//# // ignore
						//# }
					//# }
				//# }
				//#if polish.debug.error
				//# if (!changed) {
					//#debug error
					//# System.out.println("Unable to set date: " + e );
				//# }
				//#endif
			//# }
			//# if ( changed && ( getScreen() instanceof Form ) ) {
				//# notifyStateChanged();
			//# }
		//# }
//# 		
		//# //System.out.println("Field [" + this.currentField + "]/[Calendar." + calendarField + "] is: " + fieldStr );
//# 
	//# }
	//#endif

	//#if !tmp.directInput
	/**
	 * Shows the TextBox for entering texts.
	 */
	private void showDateForm() {
		if (this.midpDateField == null) {
			this.midpDateField = new javax.microedition.lcdui.DateField( getLabel(), this.inputMode, this.timeZone );
			//#ifdef polish.Bugs.dateFieldAcceptsNoNullDate
				//# if (this.date == null) {
					//# if (this.inputMode == TIME) {
						//# this.midpDateField.setDate( new Date(0) );
					//# } else {
						//# this.midpDateField.setDate( new Date() );
					//# }
				//# } else {
					//# this.midpDateField.setDate( this.date );
				//# }
			//#else
				this.midpDateField.setDate( this.date );
			//#endif
			this.form = new javax.microedition.lcdui.Form( StyleSheet.currentScreen.getTitle() );
			this.form.append( this.midpDateField );
			//TODO add i18n support
			this.form.addCommand(StyleSheet.OK_CMD);
			this.form.addCommand(StyleSheet.CANCEL_CMD);
			/*
			*/
			//#if !tmp.directInput
			this.form.setCommandListener( this );
			//#endif
		}
		this.screen = StyleSheet.currentScreen;
		StyleSheet.display.setCurrent( this.form );
	}
	//#endif

	//#if !tmp.directInput
	/* (non-Javadoc)
	 * @see javax.microedition.lcdui.CommandListener#commandAction(javax.microedition.lcdui.Command, javax.microedition.lcdui.Displayable)
	 */
	public void commandAction(Command cmd, Displayable box) {
		if (cmd == StyleSheet.CANCEL_CMD) {
			this.midpDateField.setDate( this.date );
		} else {
			setDate( this.midpDateField.getDate() );
			notifyStateChanged();
		}
		StyleSheet.display.setCurrent( this.screen );
	}
	//#endif
	
	//#ifdef tmp.directInput
	//# public void setItemCommandListener(ItemCommandListener l) {
		//# this.additionalItemCommandListener = l;
	//# }
	//#endif


	//#if tmp.directInput
	//# public void commandAction(Command c, Item item) {
		//# if (c == TextField.CLEAR_CMD) {
			//# this.editIndex = 0;
			//# this.currentField = 0;
			//# this.currentFieldStartIndex = 0;
			//# setDate( null );
		//# } else if (this.additionalItemCommandListener != null) {
			//# this.additionalItemCommandListener.commandAction(c, item);
		//# }
	//# }
	//#endif

	//#if polish.blackberry
	//# public void fieldChanged(Field field, int context) {
		//# if (context != FieldChangeListener.PROGRAMMATIC && this.isInitialized ) {
			//# setDate( new Date( this.blackberryDateField.getDate()) );
			//# if (getScreen() instanceof Form ) {
				//# notifyStateChanged();
			//# }
		//# }
	//# }
	//#endif
}