<!-- Dictionary files registration -->

/**
 * The Control Unit class
 */

/**
 * Constructor
 */
function ControlUnit(computer, container) {
	//Build HTML DOM
	if (!IMAGES_DIR) IMAGES_DIR = "../Controls/";
	var width = computer.parentElement.offsetWidth;

	var table = document.createElement("TABLE");
	table.width = width;
	table.cellSpacing = "0";
	table.cellPadding = "0";

	//Control buttons
	var r_controls = table.insertRow(0);
	var d_controls = r_controls.insertCell(0);
	//d_controls.style.width = (width - 150) + "px";
	//d_controls.align = "center";

	//Buttons
	//********

	d_controls.appendChild(getSeparator());
	this.enabled = true;
	var that = this;

	//Load
	var btnLoad = new Image();
	btnLoad.style.width = "40px";
	btnLoad.style.height = "22px";
	btnLoad.src = IMAGES_DIR + "load.gif";
	btnLoad.onmousedown = function() {
		if (!that.enabled) return;
		btnLoad.src = IMAGES_DIR + "p_load.gif";
	}
	btnLoad.onmouseout = function() {
		btnLoad.src = IMAGES_DIR + "load.gif";
	}
	btnLoad.onmouseup = function() {
		if (!that.enabled) return;
		btnLoad.onmouseout();
		upload("computer.loadProgram", "iFrame");
		that.stopped = false;
	}
	btnLoad.style.borderStyle = "none";
	btnLoad.alt = btnLoad.title = "טען";
	d_controls.appendChild(btnLoad);
	d_controls.appendChild(getSeparator());

	//Single Step
	var btnSingle = new Image();
	btnSingle.style.width = "40px";
	btnSingle.style.height = "22px";
	btnSingle.src = IMAGES_DIR + "single.gif";
	btnSingle.enabled = true;
	btnSingle.onmousedown = function() {
		if (!that.enabled || !btnSingle.enabled) return;
		btnSingle.src = IMAGES_DIR + "p_single.gif";
	}
	btnSingle.onmouseout = function() {
		if (!btnSingle.enabled) return;
		btnSingle.src = IMAGES_DIR + "single.gif";
	}
	btnSingle.onmouseup = function() {
		if (!that.enabled || !btnSingle.enabled) return;
		btnSingle.onmouseout();
		var oldAnimation = computer.getAnimation();
		if (oldAnimation == ANIMATE_NONE) computer.setAnimation(ANIMATE_FLOW);
		computer.fetch(true, oldAnimation);
		//computer.setAnimation(oldAnimation);
	}
	btnSingle.style.borderStyle = "none";
	btnSingle.alt = btnSingle.title = "בצע פקודה";
	d_controls.appendChild(btnSingle);
	d_controls.appendChild(getSeparator());

	//Run
	var btnRun = new Image();
	btnRun.style.width = "40px";
	btnRun.style.height = "22px";
	btnRun.src = IMAGES_DIR + "run.gif";
	btnRun.enabled = true;
	btnRun.onmousedown = function() {
		if (!that.enabled || !btnRun.enabled) return;
		btnRun.src = IMAGES_DIR + "p_run.gif";
	}
	btnRun.onmouseout = function() {
		if (!btnRun.enabled) return;
		btnRun.src = IMAGES_DIR + "run.gif";
	}
	btnRun.onmouseup = function() {
		if (!that.enabled || !btnRun.enabled) return;
		btnRun.onmouseout();
		computer.run();
	}
	btnRun.style.borderStyle = "none";
	btnRun.alt = btnRun.title = "הרץ תוכנית";
	d_controls.appendChild(btnRun);
	d_controls.appendChild(getSeparator());

	//Stop
	var btnStop = new Image();
	btnStop.style.width = "40px";
	btnStop.style.height = "22px";
	btnStop.src = IMAGES_DIR + "stop.gif";
	btnStop.onmousedown = function() {
		//if (!that.enabled) return;
		btnStop.src = IMAGES_DIR + "p_stop.gif";
	}
	btnStop.onmouseout = function() {
		btnStop.src = IMAGES_DIR + "stop.gif";
	}
	btnStop.onmouseup = function() {
		//if (!that.enabled) return;
		btnStop.onmouseout();
		if (that.stopped) return;
		computer.stop(false, true);
	}
	btnStop.style.borderStyle = "none";
	btnStop.alt = btnStop.title = "עצור";
	d_controls.appendChild(btnStop);
	d_controls.appendChild(getSeparator());

	//Reset
	var btnReset = new Image();
	btnReset.style.width = "40px";
	btnReset.style.height = "22px";
	btnReset.src = IMAGES_DIR + "reset.gif";
	btnReset.onmousedown = function() {
		if (!that.enabled) return;
		btnReset.src = IMAGES_DIR + "p_reset.gif";
	}
	btnReset.onmouseout = function() {
		btnReset.src = IMAGES_DIR + "reset.gif";
	}
	btnReset.onmouseup = function() {
		if (!that.enabled) return;
		btnReset.onmouseout();
		computer.stop();
		btnExecute.enabled = false;
		btnRun.enabled = true;
		btnSingle.enabled = true;
		btnFetch.enabled = true;
		btnExecute.src = IMAGES_DIR + "execute_dis.gif";
		btnSingle.src = IMAGES_DIR + "single.gif";
		btnRun.src = IMAGES_DIR + "run.gif";
		btnFetch.src = IMAGES_DIR + "fetch.gif";
		computer.reset();
		that.stopped = false;
	}
	btnReset.style.borderStyle = "none";
	btnReset.alt = btnReset.title = "אתחל";
	d_controls.appendChild(btnReset);
	d_controls.appendChild(getSeparator());

	//Fetch
	var btnFetch = new Image();
	btnFetch.style.width = "20px";
	btnFetch.style.height = "22px";
	btnFetch.src = IMAGES_DIR + "fetch.gif";
	btnFetch.enabled = true;
	btnFetch.onmousedown = function() {
		if (that.enabled && btnFetch.enabled) {
			btnFetch.src = IMAGES_DIR + "p_fetch.gif";
		}
	}
	btnFetch.onmouseout = function() {
		if (btnFetch.enabled) {
			btnFetch.src = IMAGES_DIR + "fetch.gif";
		}
	}
	btnFetch.onmouseup = function() {
		if (that.enabled && btnFetch.enabled) {
			that.setExecute();
			var oldAnimation = computer.getAnimation();
			if (oldAnimation == ANIMATE_NONE) computer.setAnimation(ANIMATE_FLOW);
			computer.fetch(false, false, true);
			computer.setAnimation(oldAnimation);
		}
	}
	btnFetch.alt = btnFetch.title = "Fetch";
	btnFetch.style.borderStyle = "none";
	d_controls.appendChild(btnFetch);

	//Execute
	var btnExecute = new Image();
	btnExecute.style.width = "20px";
	btnExecute.style.height = "22px";
	btnExecute.src = IMAGES_DIR + "execute_dis.gif";
	btnExecute.enabled = false;
	btnExecute.onmousedown = function() {
		if (that.enabled && btnExecute.enabled) {
			btnExecute.src = IMAGES_DIR + "p_execute.gif";
		}
	}
	btnExecute.onmouseout = function() {
		if (btnExecute.enabled) {
			btnExecute.src = IMAGES_DIR + "execute.gif";
		}
	}
	btnExecute.onmouseup = function() {
		if (that.enabled && btnExecute.enabled) {
			that.setFetch(true);
			var oldAnimation = computer.getAnimation();
			if (oldAnimation == ANIMATE_NONE) computer.setAnimation(ANIMATE_FLOW);
			computer.decode(true);
			computer.setAnimation(oldAnimation);
		}
	}
	btnExecute.alt = btnExecute.title = "Execute";
	btnExecute.style.borderStyle = "none";
	d_controls.appendChild(btnExecute);
	d_controls.appendChild(getSeparator());

	//Clear
	var btnClear = new Image();
	btnClear.style.width = "46px";
	btnClear.style.height = "22px";
	btnClear.src = IMAGES_DIR + "clear.gif";
	btnClear.onmousedown = function() {
		if (that.enabled) {
			btnClear.src = IMAGES_DIR + "p_clear.gif";
		}
	}
	btnClear.onmouseout = function() {
		btnClear.src = IMAGES_DIR + "clear.gif";
		document.getElementById("clearPopup").onmouseout();
	}
	btnClear.onmouseup = function() {
		btnClear.src = IMAGES_DIR + "clear.gif";
		if (that.enabled) {
			var menu = document.getElementById("clearPopup");
			menu.style.position = "absolute";
			menu.style.display = "block";
			menu.style.left = getAbsLeft(btnClear);
			menu.style.top = getAbsTop(btnClear) + 22;
		}
	}
	//btnClear.alt = btnClear.title = "נקה";
	btnClear.style.borderStyle = "none";
	d_controls.appendChild(btnClear);

	this.setFetch = function(stop) {
			btnExecute.enabled = false;
			btnExecute.src = IMAGES_DIR + "execute_dis.gif";
			if (stop) {
				btnFetch.enabled = true;
				btnSingle.enabled = true;
				btnSingle.src = IMAGES_DIR + "single.gif";
				btnFetch.src = IMAGES_DIR + "fetch.gif";
			}
	}
	this.setExecute = function() {
			btnFetch.enabled = false;
			btnSingle.enabled = false;
			btnExecute.enabled = true;
			btnFetch.src = IMAGES_DIR + "fetch_dis.gif";
			btnSingle.src = IMAGES_DIR + "single_dis.gif";
			btnExecute.src = IMAGES_DIR + "execute.gif";
	}

//	d_controls.appendChild(document.createElement("BR"));
	d_controls.appendChild(getSeparator());

	var d_ani = r_controls.insertCell(1);

	if ("rtl" == "rtl")
		d_ani.appendChild(getSeparator());

	var p_ani = document.createElement("SPAN");
	p_ani.style.fontSize = "10px";
	d_ani.style.verticalAlign = "top";
	p_ani.innerHTML = "אנימציה:";
	d_ani.dir = "rtl";
	d_ani.style.textAlign = "right";
	d_ani.appendChild(p_ani);
	d_ani.appendChild(document.createElement("BR"));
	if ("rtl" == "rtl")
		d_ani.appendChild(getSeparator());

	var aniselect = document.createElement("SELECT");
	aniselect.style.fontSize = "10px";
	aniselect.style.fontFamily = "Arial";
	aniselect.onclick = function() {
		computer.setAnimation(aniselect.value);
	}

	var opt3 = document.createElement("OPTION");
	opt3.value = 2;
	opt3.innerHTML = "זרימת תוכנית ונתונים";
	opt3.selected = true;
	aniselect.appendChild(opt3);

	var opt2 = document.createElement("OPTION");
	opt2.value = 1;
	opt2.innerHTML = "זרימת תוכנית";
	aniselect.appendChild(opt2);

	var opt1 = document.createElement("OPTION");
	opt1.value = 0;
	opt1.innerHTML = "בטל אנימציה";
	aniselect.appendChild(opt1);

	//anitd2.appendChild(aniselect);
	//anitd2.appendChild(getSeparator());
	d_ani.appendChild(aniselect);
	if ("rtl" == "ltr")
		d_ani.appendChild(getSeparator());

	//Slider
	var slidertd = r_controls.insertCell(2);
	slidertd.dir = "rtl";
	slidertd.style.textAlign = "right";
	var p_sl = document.createElement("SPAN");
	p_sl.style.fontSize = "10px";
	p_sl.innerHTML = "מהירות:";
	slidertd.style.verticalAlign = "top";
	slidertd.appendChild(p_sl);
	slidertd.appendChild(document.createElement("BR"));

	var divSlider = document.createElement("DIV");
	divSlider.style.textAlign = "left";
	divSlider.dir = "ltr";
	slidertd.appendChild(divSlider);
	this.slider = new Slider(1, 5, 3, 1, 0, 0, 100, divSlider, "rtl");

	//Help, about
	var d_help = r_controls.insertCell(3);
	d_help.style.fontSize = "8px";

	//Help
	var btnHelp = new Image();
	btnHelp.style.width = "40px";
	btnHelp.style.height = "22px";
	btnHelp.src = IMAGES_DIR + "help_s.gif";
	btnHelp.onmousedown = function() {
		if (!that.enabled) return;
		btnHelp.src = IMAGES_DIR + "p_help_s.gif";
	}
	btnHelp.onmouseout = function() {
		btnHelp.src = IMAGES_DIR + "help_s.gif";
	}
	btnHelp.onmouseup = function() {
		if (!that.enabled) return;
		btnHelp.onmouseout();
		document.getElementById("frmHelp").style.display = "block";
	}
	btnHelp.style.borderStyle = "none";
	btnHelp.alt = btnHelp.title = "עזרה";
	d_help.appendChild(getSeparator());
	d_help.appendChild(btnHelp);

	//d_help.appendChild(document.createElement("BR"));
	//d_help.appendChild(document.createElement("BR"));
	d_help.appendChild(getSeparator());

	//About
	var btnAbout = new Image();
	btnAbout.style.width = "40px";
	btnAbout.style.height = "22px";
	btnAbout.src = IMAGES_DIR + "about_s.gif";
	btnAbout.onmousedown = function() {
		if (!that.enabled) return;
		btnAbout.src = IMAGES_DIR + "p_about_s.gif";
	}
	btnAbout.onmouseout = function() {
		btnAbout.src = IMAGES_DIR + "about_s.gif";
	}
	btnAbout.onmouseup = function() {
		if (!that.enabled) return;
		btnAbout.onmouseout();
		window.open("../common/about.asp?lang=he", null, "directories=no,height=200,width=500,menubar=no,resizable=no,status=no,toolbar=no");
	}
	btnAbout.style.borderStyle = "none";
	btnAbout.alt = btnAbout.title = "אודות";
	//d_help.appendChild(document.createElement("BR"));
	d_help.appendChild(btnAbout);

	computer.setControls(this);

	container.appendChild(table);

	this.stopAll = function() {
		btnFetch.enabled = false;
		btnFetch.src = IMAGES_DIR + "fetch_dis.gif";
		btnRun.enabled = false;
		btnRun.src = IMAGES_DIR + "run_dis.gif";
		btnSingle.enabled = false;
		btnSingle.src = IMAGES_DIR + "single_dis.gif";
		that.stopped = true;
	}
}

/**
 * A helper function that produces a blank separator
 */
function getSeparator() {
	var s = new Image(10,10);
	s.src = IMAGES_DIR + "separator.gif";
	return s;
}