basis for the state machine and some UI improvements (currently disabled)

3 files changed, 314 insertions, 0 deletions

diff --git a/js/codeq/prologPythonLib.js b/js/codeq/prologPythonLib.js
new file mode 100644
index 0000000..5fed4dc
--- /dev/null
+++ b/js/codeq/prologPythonLib.js
@@ -0,0 +1,5 @@
+/**
+ * Created by robert on 9/15/15.
+ */
+
+
diff --git a/js/codeq/startup.js b/js/codeq/startup.js
index 980d3d7..9a0473c 100644
--- a/js/codeq/startup.js
+++ b/js/codeq/startup.js
@@ -94,4 +94,6 @@ $(document).ready(function () {
             alert('Request to obtain list of problems failed: ' + reason);
         }
     ).done();
+
+    //codeq.globalStateMachine.transition('login');
 });
\ No newline at end of file
diff --git a/js/codeq/stateMachine.js b/js/codeq/stateMachine.js
new file mode 100644
index 0000000..720400d
--- /dev/null
+++ b/js/codeq/stateMachine.js
@@ -0,0 +1,307 @@
+/**
+ * Created by robert on 9/15/15.
+ */
+
+codeq.makeStateMachine = function(def){
+    var currState = null;
+    return {
+        'transition': function(name){
+            if(currState !== null) currState.exit();
+            currState = def[name];
+            currState.enter();
+        },
+        'destroy': function(){
+            if(currState !== null) currState.exit();
+            currState = null;
+        }
+    }
+}
+
+
+
+
+var loginFun = function(){
+    var identifier = $('#problem_group').val().split('/'),
+        problem = $('#problems').val();
+    if (identifier.length < 2) alert('Choose a problem group');
+    else if (!problem) alert('Choose a problem');
+    else {
+        $('#disabled').css('display', '');
+        codeq.comms.login($('#username').val(), $('#password').val())
+            .then(function (data) {
+                $('#disabled').css('display', 'none');
+                if (data.code !== 0) throw new Error('Login failed, code: ' + data.code + ', message: ' + data.message);
+            })
+            .then(function () {
+                return codeq.comms.getProblem(identifier[0], identifier[1], problem);
+            })
+            .then(function (data) {
+                if (data.code !== 0) throw new Error('Failed to obtain problem data, code: ' + data.code + ', message: ' + data.message);
+                $('#disabled').css('display', 'none');
+                switch (identifier[0]) {
+                    case 'prolog':
+                        // TODO: assignment to window for debug only
+                        //$('#screen_login').css('display', 'none');
+                        //$('#screen_prolog').css('display', '');
+                        codeq.globalStateMachine.transition('prolog');
+                        window.phandler = codeq.createPrologHandler(data.data);
+
+                        var jq = $('#console textarea').on('focus',function(){
+                            codeq.log.debug('focus');
+                        }).on('blur',function(){
+                            codeq.log.debug('blur');
+                        });
+
+                        var c = $('#console').on('focus',function(){
+                            codeq.log.debug('console focus');
+                        }).on('blur',function(){
+                            codeq.log.debug('console blur');
+                        });
+
+                        codeq.log.debug("textareas: "+jq.length );
+                        codeq.log.debug("consols: "+c.length );
+
+                        break;
+                    case 'python':
+                        // TODO: assignment to window for debug only
+                        //$('#screen_login').css('display', 'none');
+                        //$('#screen_prolog').css('display', '');
+                        codeq.globalStateMachine.transition('prolog');
+                        window.phandler = codeq.createPythonHandler(data.data);
+                        $('#console textarea').on('focus',function(){
+                            codeq.log.debug('focus');
+                        });
+                        $('#console textarea').on('blur',function(){
+                            codeq.log.debug('blur');
+                        });
+
+                        break;
+                    default:
+                        alert('Unknown language: ' + identifier[0]);
+                        break;
+                }
+            })
+            .fail(function (reason) {
+                $('#disabled').css('display', 'none');
+                alert('Login request failed: ' + reason);
+            })
+            .done();
+    }
+}
+
+codeq.globalStateMachine = codeq.makeStateMachine({
+    'login':{
+        'enter': function(){
+            codeq.comms.connect().then(function () {
+                return codeq.comms.send({'action': 'list_problems'});//currently problem list and the actual login are still in the same state
+            }).then(
+                function success(data) {
+                    var i, groups, group, problems, problem, first_group,
+                        jqGroup = $('#problem_group'),
+                        jqProblems = $('#problems'),
+                        html = [],
+                        mapping = {},
+                        onGroupChange = function () {
+                            var problems = mapping[jqGroup.val()],
+                                html = [],
+                                i, p;
+                            if (problems) {
+                                for (i = 0; i < problems.length; i++) {
+                                    p = problems[i];
+                                    html.push('<option value="', p.identifier, '">', p.name, '</option>\n')
+                                }
+                            }
+                            jqProblems.html(html.join(''));
+                        };
+
+                    if (data && (data.code === 0)) {
+                        $('#disabled').css('display', 'none');
+                        groups = data.problems;
+                        for (i = 0; i < groups.length; i++) {
+                            group = groups[i];
+                            var identifier = group.identifier.language + '/' + group.identifier.group;
+                            var name = group.name.language + ': ' + group.name.group;
+                            html.push('<option value="', identifier, '">', name, '</option>\n');
+                            mapping[identifier] = group.problems;
+                        }
+                        jqGroup.html(html.join(''));
+                        first_group = html[1];
+                        html = null;
+
+                        jqGroup.on('click', onGroupChange);
+                        jqGroup.val(first_group);
+                        onGroupChange();
+
+                        $("#submit").on('click', loginFun);
+                    }
+                    else {
+                        $('#disabled').css('cursor', '');
+                        alert('Obtaining list of problems failed: code=' + data.code + ', reason=' + data.message);
+                    }
+                },
+
+                function failure(reason) {
+                    $('#disabled').css('cursor', '');
+                    alert('Request to obtain list of problems failed: ' + reason);
+                }
+            ).done();
+        },
+        'exit' : function(){
+            $("#submit").off('click', loginFun);
+            $("#screen_login").css('display', 'none');
+        }
+    },
+
+    'prolog':{
+        'enter': function(){
+            $('#screen_prolog').css('display', '');
+            removeFocusFromElements();
+            problems = codeq.makeStateMachine(substates);
+            //problems.transition('instructions');
+            problems.transition('instructions');
+        },
+        'exit': function(){
+            $('#screen_prolog').css('display', 'none');
+            problems.destroy();
+        }
+    }
+});
+
+/*
+the following variables are used in the sub-state machine representing the 4 different panels in the codeq app
+ */
+var problems,//this will the actual state machine
+    description = $('div.col-lg-3.col-md-6.col-sm-12:has(#description)'),//lets actually find the needed divs for later use
+    code = $('div.col-lg-3.col-md-6.col-sm-12:has(#code_editor)'),
+    consoleDiv = $('div.col-lg-3.col-md-6.col-sm-12:has(#console)'),//named 'consoleDiv', because 'console' is already in use
+    info = $('div.col-lg-3.col-md-6.col-sm-12:has(#info)'),
+
+    //some functions used inside the enter and exit functions of the state machine
+    eventName = 'mousedown',//event name of the event which will trigger the transition between these substates
+    mouseDownEventFunctionDescription = function(){
+        problems.transition('instructions');
+    },
+    mouseDownEventFunctionCode = function(){
+        problems.transition('code');
+    },
+    mouseDownEventFunctionConsole = function(){
+        problems.transition('console');
+    },
+    mouseDownEventFunctionInfo = function(){
+        problems.transition('info');
+    },
+    removeListenersFromDivs = function(){
+        description.off(eventName,mouseDownEventFunctionDescription);
+        code.off(eventName,mouseDownEventFunctionCode);
+        consoleDiv.off(eventName,mouseDownEventFunctionConsole);
+        info.off(eventName,mouseDownEventFunctionInfo);
+    },
+    removeBlockClassesFromDivs = function(){
+        description.removeClass('block');
+        code.removeClass('block');
+        consoleDiv.removeClass('block');
+        info.removeClass('block');
+    },
+    removeChangedClassesFromDivs = function(){
+        description.removeClass('block-focus block-less-width block-less-height block-less-everything').addClass('block');//these class names were chosen for the view where the screen is partitioned in 4 quarters (2 by 2)
+        code.removeClass('block-focus block-less-width block-less-height block-less-everything').addClass('block');
+        consoleDiv.removeClass('block-focus block-less-width block-less-height block-less-everything').addClass('block');
+        info.removeClass('block-focus block-less-width block-less-height block-less-everything').addClass('block');
+    },
+    setTransitionsBetweenDivs = function(current){
+        if(current !== description)description.on(eventName,mouseDownEventFunctionDescription);
+        if(current !== code)code.on( eventName,mouseDownEventFunctionCode);
+        if(current !== info)info.on( eventName,mouseDownEventFunctionInfo);
+        if(current !== consoleDiv)consoleDiv.on( eventName,mouseDownEventFunctionConsole);
+
+        /*if(current !== description)description.on( eventName,function(){
+            problems.transition('instructions');
+        });
+        if(current !== info)info.on( eventName,function(){
+            problems.transition('info');
+        });
+        if(current !== code)code.on( eventName,function(){
+            problems.transition('code');
+        });
+        if(current !== consoleDiv)consoleDiv.on( eventName,function(){
+            problems.transition('console');
+        });*/
+    },
+    removeFocusFromElements = function(){
+
+    },
+
+    //the states of the sub-state machine
+    substates = {
+        'instructions':{
+            'enter': function(){
+                removeBlockClassesFromDivs();
+
+                description.addClass('block-focus');
+                code.addClass('block-less-width');
+                consoleDiv.addClass('block-less-height');
+                info.addClass('block-less-everything');
+
+                setTransitionsBetweenDivs(description);
+            },
+            'exit': function(){
+                removeFocusFromElements();
+                removeChangedClassesFromDivs();
+                removeListenersFromDivs();
+            }
+        },
+            'code':{
+            'enter': function(){
+                removeBlockClassesFromDivs();
+
+                description.addClass('block-less-width');
+                code.addClass('block-focus');
+                consoleDiv.addClass('block-less-everything');
+                info.addClass('block-less-height');
+
+                setTransitionsBetweenDivs(code);
+            },
+            'exit': function(){
+                removeFocusFromElements();
+                removeChangedClassesFromDivs();
+                removeListenersFromDivs();
+            }
+        },
+            'info':{
+            'enter': function(){
+                removeBlockClassesFromDivs();
+
+                description.addClass('block-less-everything');
+                code.addClass('block-less-height');
+                consoleDiv.addClass('block-less-width');
+                info.addClass('block-focus');
+
+                setTransitionsBetweenDivs(info);
+            },
+            'exit': function(){
+                //$('div.col-lg-3.col-md-6.col-sm-12').addClass('block');
+                removeFocusFromElements();
+                removeChangedClassesFromDivs();
+                removeListenersFromDivs();
+            }
+        },
+            'console':{
+            'enter': function(){
+                removeBlockClassesFromDivs();
+
+                description.addClass('block-less-height');
+                code.addClass('block-less-everything');
+                consoleDiv.addClass('block-focus');
+                info.addClass('block-less-width');
+
+                setTransitionsBetweenDivs(consoleDiv);
+            },
+            'exit': function(){
+                //$('span.cursor.blink').removeClass('blink');
+
+                removeFocusFromElements();
+                removeChangedClassesFromDivs();
+                removeListenersFromDivs();
+            }
+        }
+    };
\ No newline at end of file