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/**
* The robot state of the state machine. When it is entered it'll prepare the code editor and load a sub-state machine which represents the 3 different parts of the screen.
*/
(function() {
var subScreens, //this will be the actual (sub)state machine
stateNameTag = 'stateName', //a tag for data which is added to some html elements
jqScreen = $('#screen_robot'), // the screen container element
//quadrants
jqDescription = jqScreen.find('.block1'),
jqCode = jqScreen.find('.block2'),
jqConsole = jqScreen.find('.block3'),
jqInfo = jqScreen.find('.block4'),
jqAllQuadrants = jqDescription.add(jqCode).add(jqConsole).add(jqInfo), // all the quadrants
// buttons
jqBtnPlan = jqScreen.find('.btn-plan'),
jqBtnHint = jqScreen.find('.btn-hint'),
jqBtnRun = jqScreen.find('.btn-run'),
jqBtnStop = jqScreen.find('.btn-stop'),
jqInfoButtons = jqBtnPlan.add(jqBtnHint), // all info-focusing buttons
jqAllButtons = jqInfoButtons.add(jqBtnRun).add(jqBtnStop), // all buttons
// misc
currentSubState = null,
transitionEventName = 'mousedown',//event name of the event which will trigger the transition between these substates - the most common transition at least (there are some corner cases on the hint and test buttons -> see the code below)
substates = {
'description': {
'enter': function () {
currentSubState = 'block1';
jqScreen.addClass(currentSubState);
},
'exit': function () {
jqScreen.removeClass(currentSubState);
currentSubState = null;
}
},
'code': {
'enter': function () {
currentSubState = 'block2';
jqScreen.addClass(currentSubState);
},
'exit': function () {
jqScreen.removeClass(currentSubState);
currentSubState = null;
}
},
'info': {
'enter': function () {
currentSubState = 'block4';
jqScreen.addClass(currentSubState);
},
'exit': function () {
jqScreen.removeClass(currentSubState);
currentSubState = null;
}
},
'console': {
'enter': function () {
currentSubState = 'block3';
jqScreen.addClass(currentSubState);
},
'exit': function () {
jqScreen.removeClass(currentSubState);
currentSubState = null;
}
}
};
var robotHandler; //created when we enter the robot state and destroyed once we leave it
codeq.globalStateMachine.register('robot', {
'enter': function (problemDef, commonDef, currentSolution) {
$('#navigation-language').css('display', '');
$('#navigation-problem').css('display', '');
$("#navigation-robot").addClass("active");
$('#navigation-robot').css('display', '');
jqScreen.css('display', '');//we have to show the screen now so the code editor shows its initial values correctly
robotHandler = createRobotHandler(problemDef, commonDef, currentSolution);
subScreens = codeq.makeStateMachine(substates);
subScreens.transition(jqDescription.data(stateNameTag));
/* Q.delay(100).then(function(){
jqAllQuadrants.addClass('transition');//for smooth animations - need to be delayed, because otherwise we get some weird "animations" while the page is loading
}).done();*/
jqInfoButtons.on(transitionEventName, function (event) {
subScreens.transition('info'); // set focus on the hints quadrant
event.stopPropagation(); // don't allow the event to go on and trigger further transition
});
jqBtnRun.on(transitionEventName, function (event) {
subScreens.transition('console'); // set focus on the hints quadrant
event.stopPropagation(); // don't allow the event to go on and trigger further transition
});
jqAllQuadrants.on(transitionEventName, function () {
subScreens.transition($(this).data(stateNameTag));
});
},
'exit': function () {
jqAllButtons.off(); // unregister all event handlers
jqAllQuadrants.off();
jqScreen.css('display', 'none');
// jqAllQuadrants.removeClass('transition');
robotHandler.destroy();
robotHandler = null;
subScreens.destroy();
subScreens = null;
jqScreen.addClass('block1');
$('#navigation-language').css('display', 'none');
$('#navigation-problem').css('display', 'none');
$("#navigation-robot").removeClass("active");
$('#navigation-robot').css('display', 'none');
}
});
jqDescription.data(stateNameTag, 'description');
jqCode.data(stateNameTag, 'code');
jqConsole.data(stateNameTag, 'console');
jqInfo.data(stateNameTag, 'info');
// a constant
var firstCharacterPos = {'line': 0, 'ch': 0};
var makeRobotTerminalHandler = function (jqConsole, editor, problem_id, activityHandler) {
var terminal = codeq.makeConsole(jqConsole, {
'greeting': 'CodeQ Robot terminal proxy',
'autoHistory': true
});
terminal.onInput = function (text) {
terminal.append('Not implemented.\n', 'output');
};
return terminal;
};
codeq.on('init', function (args) {
codeq.tr.registerDictionary('robot', codeq.tr.emptyDictionary); // to make the translator happy, when this screen is not active
});
var createRobotHandler = function (problemDef, commonDef, currentSolution) {
var //problem = info.problem,
jqDescriptionContent = jqDescription.find('.description'),
jqEditor = jqCode.find('.code_editor'),
jqHints = jqInfo.find('.hints'),
editor = codeq.makeEditor(jqEditor[0], {
mode: 'python',
indentUnit: 4,
value: currentSolution || ''
}),
activityHandler = codeq.makeActivityHandler(editor, problemDef.id),
hinter = codeq.makeHinter(jqHints, jqEditor, editor, 'robot_hints', problemDef, commonDef),
commError = function (error) {
alert(error);
},
reconnectTimer = null,
address = '192.168.1.174:8000', // TODO get this from settings
url = 'ws://' + address + '/',
socket = eio(url);
// set up the websocket events
socket.on('close', function (data) {
console.log('websocket closed, trying to reopen in 1 s');
reconnectTimer = setTimeout(function () {
reconnectTimer = null;
socket.open();
}, 1000);
});
socket.on('message', function(data) {
//console.log('Received: ' + data);
var json_obj = JSON.parse(data),
sensors, sensor, text = '';
if (json_obj.event == 'update') {
sensors = json_obj.sensors;
for (sensor in sensors) {
if (!sensors.hasOwnProperty(sensor)) continue;
text += sensor + ': ' + sensors[sensor] + '<br />\n'
}
$('div.console').html('<p style="color: lightgreen; font-family: monospace;">'+text+'</p>');
}
});
codeq.tr.registerDictionary('robot', problemDef.translations);
codeq.tr.translateDom(jqScreen);
jqBtnPlan.prop('disabled', !hinter.hasNextPlan());
editor.on('change', function (instance, changeObj) {
var doc = editor.getDoc(),
pos = codeq.codePointCount(doc.getRange(firstCharacterPos, changeObj.from)),
text;
text = changeObj.removed.join('\n');
if (text) {
activityHandler.queueTrace({'typ': 'rm', 'off': pos, 'txt': text});
}
text = changeObj.text.join('\n');
if (text) {
activityHandler.queueTrace({'typ': 'ins', 'off': pos, 'txt': text});
}
});
jqBtnPlan.on('click', function () {
if (!hinter.planNext()) {
jqBtnPlan.prop('disabled', true).blur();
}
});
jqBtnHint.on('click', function () {
var doc = editor.getDoc();
codeq.comms.sendHint({
'language': 'robot',
'program': editor.getDoc().getValue(),
'problem_id': problemDef.id
})
.then(function (data) {
if (data.code === 0) {
hinter.handle(data.hints);
}
else {
commError('error: ' + data.message);
}
})
.fail(commError)
.done();
});
jqBtnRun.on('click', function () {
var url = 'http://' + $('#robot_ip').val() + ':8000/run',
doc = editor.getDoc();
socket.send(JSON.stringify({action: 'run', program: doc.getValue()}));
});
jqBtnStop.on('click', function () {
var url = 'http://' + $('#robot_ip').val() + ':8000/stop';
socket.send(JSON.stringify({action: 'stop'}));
});
codeq.comms.loadProblem(problemDef.id).done();
return {
destroy: function () {
codeq.comms.endProblem().done();
if (socket) {
socket.off('close');
socket.off('message');
socket.close();
socket = null;
}
if (reconnectTimer !== null) {
clearTimeout(reconnectTimer);
reconnectTimer = null;
}
$('#screen_robot .title').text('');//empty the title text
jqAllButtons.off();
editor.off('change');
activityHandler.flush();
hinter.destroy();
jqDescriptionContent.empty();
jqEditor.empty(); // TODO: perhaps you do not want to "free" the editor, just empty it
jqDescriptionContent = null;
jqEditor = null;
jqHints = null;
codeq.tr.registerDictionary('robot', codeq.tr.emptyDictionary);
}
};
};
})();
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