<!-- Dictionary files registration -->

/**
 * IO Chip Class
 */

/**
 * IO Chip Constructor
 */
function IOChip(container) {
	//Constants
	var INIT_INPUT_SIZE = 10, INIT_OUTPUT_SIZE = 1;

	//Build the HTML DOM
	var table = document.createElement("TABLE");
	var tr = table.insertRow(0);
	tr.style.height = COMPONENT_HEIGHT;
	tr.style.verticalAlign = "top";
	var td = tr.insertCell(0);

	//***INNER TABLE
	var table2 = document.createElement("TABLE");
	td.appendChild(table2);
	var tr2 = table2.insertRow(0);
	var td23 = tr2.insertCell(0);

	var td2 = tr2.insertCell(1);
	td2.dir = "ltr";
	//INPUT
	var b2 = td2.appendChild(document.createElement("B"));
	b2.innerHTML = "Input";
	b2.style.color = LABEL_COLOR;
	td2.appendChild(document.createElement("BR"));
	var divIn = document.createElement("DIV");
	divIn.id = "___input_div_container";
	td2.appendChild(divIn);
	td2.appendChild(document.createElement("BR"));
	//OUTPUT
	var b3 = td2.appendChild(document.createElement("B"));
	b3.innerHTML = "Output";
	b3.style.color = LABEL_COLOR;
	td2.appendChild(document.createElement("BR"));
	var divOut = document.createElement("DIV");
	divOut.id = "___output_div_container";
	td2.appendChild(divOut);

	var td3 = tr2.insertCell(2);
	//***END OF INNER TABLE

	table.style.borderWidth = "0";
	//table.style.borderColor = "#000000";
	//table.style.borderStyle = "Solid";
	table.cellSpacing = "0";
	td3.style.width="40px";
	td23.style.width="40px";

	this.left = table.offsetLeft;
	this.top = table.offsetTop;

	var input = null, output = null;
	var that = this;

	init();

	/**
	 * Private function to initialize the chip
	 */
	function init() {
		input = new DataList(INIT_INPUT_SIZE, LIST_WIDTH + 10, LIST_HEIGHT);
		input.isInputList = true;
		input.ioChip = that;
		output = new DataList(INIT_OUTPUT_SIZE, LIST_WIDTH + 10, LIST_HEIGHT);
		input.enabled = true;
		input.getCurrent().highlight(true);
		output.getCurrent().highlight(true);
		output.enabled = false;
		appendDataList(divIn, input);
		appendDataList(divOut, output);
	}

	container.appendChild(table);

	/**
	 * Reads the next number from the input stream and returns it
	 */
	this.read = function() {
		var cell = input.getCurrent();
		if (input.goNext()) {
			cell.highlight(false);
			input.getCurrent().highlight(true);
		}

		return cell;
	}

	/**
	 * Writes a value to the output stream
	 */
	this.write = function(value) {
		var current = output.getCurrent();
		if (!current.setValue(value)) return;
		output.addDataCell(new DataCell());
		current.highlight(false);
		if (output.goNext())
			output.getCurrent().highlight(true);
	}

	/**
	 * Resets and clears this I/O Chip
	 */
	this.clear = function() {
		divIn.removeChild(input.frameDiv);
		divOut.removeChild(output.frameDiv);
		init();
	}

	/**
	 * Resets the IO Chip to its condition on last reset / loading.
	 */
	this.reset = function() {
		input.dehighlight();
		while (input.goBack()) { };
		input.getCurrent().highlight(true);
		output.clearList();
	}

	/**
	 * Returns current input DataCell
	 */
	this.getCurrentInput = function() {
		return input.getCurrent();
	}

	/**
	 * Returns current output DataCell
	 */
	this.getCurrentOutput = function() {
		return output.getCurrent();
	}

	/**
	 * Enables/disables the chip
	 */
	this.enable = function(value) {
		input.enabled = value;
	}

	this.showValues = function() {
		input.showValues();
		output.showValues();
	}
}