initial commit

centralwidget.cpp

@@ -0,0 +1,178 @@
+#include "centralwidget.h"
+
+CentralWidget::CentralWidget(QWidget *parent) : QWidget(parent)
+{
+    machine = new TuringMachine(this);
+
+//    nameEdit = new QLineEdit(this);
+//    nameEdit->setReadOnly(true);
+    autoCheckTimer = new QTimer(this);
+    connect(autoCheckTimer, QTimer::timeout, this, [this](){
+        checkByStep->click();
+    });
+
+    teststrEdit = new QLineEdit(this);
+
+    allStatesEdit = new QLineEdit(this);
+    allStatesEdit->setReadOnly(true);
+    inputEdit = new QLineEdit(this);
+    inputEdit->setReadOnly(true);
+    alphabetEdit = new QLineEdit(this);
+    alphabetEdit->setReadOnly(true);
+    initialStateEdit = new QLineEdit(this);
+    initialStateEdit->setReadOnly(true);
+    blankEdit = new QLineEdit(this);
+    blankEdit->setReadOnly(true);
+    finialStatesEdit = new QLineEdit(this);
+    finialStatesEdit->setReadOnly(true);
+
+    listWidget = new QListWidget(this);
+
+    importButton = new QPushButton(tr("导入配置"), this);
+    connect(importButton, QPushButton::clicked, this, importJson);
+    checkByStep = new QPushButton(tr("单步检查"), this);
+    checkByStep->setDisabled(true);
+    connect(checkByStep, QPushButton::clicked, this, stepCheck);
+    autoCheckButton = new QPushButton(tr("自动模式"), this);
+    autoCheckButton->setDisabled(true);
+    connect(autoCheckButton, QPushButton::clicked, this, autoCheck);
+    loadButton = new QPushButton(tr("装载纸带"), this);
+    loadButton->setDisabled(true);
+    connect(loadButton, QPushButton::clicked, this, loadTape);
+    resetButton = new QPushButton(tr("重置"), this);
+    connect(resetButton, QPushButton::clicked, this, [this](){
+        machine->reset();
+        loadButton->setEnabled(true);
+        autoCheckButton->setDisabled(true);
+        checkByStep->setDisabled(true);
+        checkByStep->setChecked(false);
+    });
+
+    tape = new PaperTape();
+    scene = new QGraphicsScene(this);
+    scene->setSceneRect(-250, -65, 500, 130);
+    scene->addItem(tape);
+    scene->addLine(0,0,0,40,QPen(Qt::red));
+    view = new QGraphicsView(scene ,this);
+
+
+    formlayout = new QFormLayout();
+//    formlayout->setSpacing(10);
+//    formlayout->setFieldGrowthPolicy(QFormLayout::FieldsStayAtSizeHint);
+//    formlayout->addRow(tr("Name"), nameEdit);
+    formlayout->addRow(tr("状态集合"), allStatesEdit);
+    formlayout->addRow(tr("输入字符"), inputEdit);
+    formlayout->addRow(tr("字符表"), alphabetEdit);
+    formlayout->addRow(tr("初始状态"), initialStateEdit);
+    formlayout->addRow(tr("空白符"), blankEdit);
+    formlayout->addRow(tr("终止状态"), finialStatesEdit);
+    formlayout->addRow(tr("Test string"), teststrEdit);
+//    formlayout->addRow(loadButton);
+//    formlayout->addRow(checkByStep);
+
+    vsublayout = new QVBoxLayout();
+    vsublayout->addWidget(importButton);
+    vsublayout->addWidget(resetButton);
+    vsublayout->addWidget(loadButton);
+    vsublayout->addWidget(autoCheckButton);
+    vsublayout->addWidget(checkByStep);
+
+    hlayout = new QHBoxLayout();
+    hlayout->addLayout(formlayout);
+    hlayout->addWidget(listWidget);
+    hlayout->addLayout(vsublayout);
+//    hlayout->addWidget(importButton);
+
+
+    mainlayout = new QVBoxLayout(this);
+    mainlayout->addLayout(hlayout);
+    mainlayout->addWidget(view);
+
+    setLayout(mainlayout);
+}
+
+CentralWidget::~CentralWidget()
+{
+    delete machine;
+    delete tape;
+}
+
+void CentralWidget::importJson()
+{
+    QString filename = QFileDialog::getOpenFileName(this, tr("import json"),
+                                                    ".",tr("json(*.json)"));
+    if(filename.isEmpty())
+        return;
+    if(!machine->setGrammar(filename))
+    {
+        setStatus("请检查文件格式");
+        return;
+    };
+    setStatus(tr("导入成功"));
+    if(machine->hasGrammar())
+    {
+        loadButton->setEnabled(true);
+//        checkByStep->setEnabled(true);
+    }
+    else
+        loadButton->setDisabled(false);
+//    nameEdit->setText(machine->getName());
+    allStatesEdit->setText(machine->getAllStates().join(", "));
+    alphabetEdit->setText(machine->getAlphabet().split("", QString::SkipEmptyParts).join(", "));
+    inputEdit->setText(machine->getInput().split("", QString::SkipEmptyParts).join(", "));
+    initialStateEdit->setText(machine->getInitialState());
+    blankEdit->setText(machine->getBlank());
+    finialStatesEdit->setText(machine->getFinialStates().join(", "));
+    listWidget->clear();
+    listWidget->addItems(machine->getTransition());
+
+    if(teststrEdit->text().isEmpty())
+    {
+        teststrEdit->setText(machine->getRawStr());
+    }
+    tape->adjustPos();
+}
+
+void CentralWidget::loadTape()
+{
+    machine->setTestStr(teststrEdit->text());
+    machine->reset();
+    tape->setStr(machine->getTestStr());
+    tape->standBy(1);
+    checkByStep->setEnabled(true);
+    autoCheckButton->setEnabled(true);
+    machineReady = true;
+}
+
+void CentralWidget::stepCheck()
+{
+    machineReady = machine->checkByStep();
+    if(machineReady)
+    {
+        loadButton->setDisabled(true);
+        tape->standBy(machine->getCurrentIndex());
+        tape->setStr(machine->getTestStr());
+        listWidget->setCurrentRow(machine->getTransitionIndex());
+    }
+    else
+    {
+        loadButton->setEnabled(true);
+        autoCheckButton->setDisabled(true);
+        checkByStep->setDisabled(true);
+        checkByStep->setChecked(false);
+        autoCheckTimer->stop();
+        if(machine->getFinialStates().contains(machine->getCurrentState()))
+        {
+            emit setStatus("Correct!");
+        }
+        else
+        {
+            emit setStatus("Not OK!");
+        }
+    }
+}
+
+void CentralWidget::autoCheck()
+{
+    autoCheckTimer->start(300);
+}