本科毕业设计资料笔记综合管理系统.zip

#include "editwidget.h" #include <QFile> #include <QMessageBox> #include <QTextStream> #include <QVBoxLayout> #include <QColorDialog> #include <QDebug> #include <QTextCursor> #include <QTextBlockFormat> #include <QTextCharFormat> #include <QTextObject> #include <QRegularExpression> #include <QLineEdit> #include <QPushButton> #include <QVBoxLayout> editWidget::editWidget(QWidget *parent) : QWidget(parent) { ref_num = 0; refTable.append(ref_num); //创建工具栏 toolBar = new QToolBar(this); toolBar->setIconSize(QSize(25, 25)); //创建编辑窗口 textedit = new QTextEdit(this); //保存按钮 saveAction = new QAction(QIcon(":/ico/ico/save.ico"), "保存", this); saveAction->setShortcut(QKeySequence::Save); toolBar->addAction(saveAction); connect(saveAction, SIGNAL(triggered()), this, SLOT(slotSave())); //字体 fontBox = new QFontComboBox(); fontBox->setFontFilters( QFontComboBox::ScalableFonts ); toolBar->addWidget( fontBox ); //字号 sizeBox = new QComboBox(); toolBar->addWidget( sizeBox ); QFontDatabase db; foreach( int nSize, db.standardSizes() ) sizeBox->addItem( QString::number( nSize ) ); toolBar->addSeparator(); //加粗、斜体、下划线、颜色 boldBtn = new QToolButton(); boldBtn->setIcon( QIcon( ":/ico/ico/format_text_bold.ico" ) ); boldBtn->setCheckable( true ); toolBar->addWidget( boldBtn ); //斜体 italicBtn = new QToolButton(); italicBtn->setIcon( QIcon( ":/ico/ico/format_text_italic.ico" ) ); italicBtn->setCheckable( true ); toolBar->addWidget( italicBtn ); //下划线 underlineBtn = new QToolButton(); underlineBtn->setIcon( QIcon( ":/ico/ico/format_text_underline.ico" ) ); underlineBtn->setCheckable( true ); toolBar->addWidget( underlineBtn ); toolBar->addSeparator(); //查找按钮 findAction = new QAction(QIcon(":/ico/ico/lookup.png"), "查找", this); findAction->setShortcut(QKeySequence::Find); toolBar->addAction(findAction); connect(findAction, SIGNAL(triggered()), this, SLOT(showFindText())); findDlg = new QDialog(this); findDlg->setWindowTitle("查找"); findLineEdit = new QLineEdit(findDlg); QPushButton *btn = new QPushButton("查找下一个", findDlg); QVBoxLayout * layout_finddlg = new QVBoxLayout(findDlg); layout_finddlg->addWidget(findLineEdit); layout_finddlg->addWidget(btn); connect(btn, &QPushButton::clicked, this, &editWidget::slotFind); //颜色 colorBtn = new QToolButton(); colorBtn->setIcon( QIcon( ":/ico/ico/format_color.ico" ) ); toolBar->addWidget( colorBtn ); //连接信号与槽函数 connect( fontBox, SIGNAL( activated( QString ) ), this, SLOT( slotFont( QString ) ) ); connect( sizeBox, SIGNAL( activated( QString ) ), this, SLOT( slotSize( QString ) ) ); connect( boldBtn, SIGNAL( clicked() ), this, SLOT( slotBold() ) ); connect( italicBtn, SIGNAL( clicked() ), this, SLOT( slotItalic() ) ); connect( underlineBtn, SIGNAL( clicked() ), this, SLOT( slotUnder() ) ); connect( colorBtn, SIGNAL( clicked() ), this, SLOT( slotColor() ) ); connect( textedit, SIGNAL( currentCharFormatChanged( const QTextCharFormat & ) ), this, SLOT( slotNowFormatChanged( const QTextCharFormat& ) ) ); //上一个引用 prevRefAction = new QAction(QIcon(":/ico/ico/prevref.png"), "上一个引用", this); toolBar->addAction(prevRefAction); connect(prevRefAction, SIGNAL(triggered()), this, SLOT(slotPrevRef())); //下一个引用 nextRefAction = new QAction(QIcon(":/ico/ico/nextref.png"), "上一个引用", this); toolBar->addAction(nextRefAction); connect(nextRefAction, SIGNAL(triggered()), this, SLOT(slotNextRef())); //跳转到参考文献 skipRefAction = new QAction(QIcon(":/ico/ico/skipRef.png"), "跳转到文献", this); toolBar->addAction(skipRefAction); connect(skipRefAction, SIGNAL(triggered()), this, SLOT(slotSkipToRef())); //删除参考文献 deleteRefAction = new QAction(QIcon(":/ico/ico/deletered.ico"), "删除文献", this); toolBar->addAction(deleteRefAction); connect(deleteRefAction, SIGNAL(triggered()), this, SLOT(deleteRef())); //设置布局 工具栏在上 编辑器在下 QVBoxLayout * layout = new QVBoxLayout(); layout->addWidget(toolBar); layout->addWidget(textedit); this->setLayout(layout); } editWidget::~editWidget() { } //点击保存按钮后的动作 void editWidget::slotSave() { QFile file(notepath); if (!file.open(QIODevice::WriteOnly)) { return; } QTextStream out(&file); out << textedit->toHtml(); textedit->document()->setModified(false); file.close(); //保存文献信息表 saveRefTable(); } void editWidget::slotLoadText(QString str) { if (!firstload) slotSave(); notepath = str; QFile openFile(str); if (!openFile.open(QIODevice::ReadOnly)) return; QTextStream in(&openFile); textedit->setText(in.readAll()); openFile.close(); loadRefTable(); firstload = false; } void editWidget::slotFind() { QString str = findLineEdit->text(); if (!textedit->find(str, QTextDocument::FindBackward)) { QMessageBox::warning(this, "查找", "找不到 "+ str); } } void editWidget::showFindText() { findDlg->show(); } //设置字体 void editWidget::slotFont(QString f) { QTextCharFormat fmt; fmt.setFontFamily(f); mergeFormat(fmt); } //设置字号 void editWidget::slotSize(QString num) { QTextCharFormat fmt; fmt.setFontPointSize(num.toFloat()); mergeFormat(fmt); } //加粗 void editWidget::slotBold() { QTextCharFormat fmt; fmt.setFontWeight(boldBtn->isChecked() ? QFont::Bold : QFont::Normal); mergeFormat(fmt); } //斜体 void editWidget::slotItalic() { QTextCharFormat fmt; fmt.setFontItalic(italicBtn->isChecked()); mergeFormat(fmt); } //下划线 void editWidget::slotUnder() { QTextCharFormat fmt; fmt.setFontUnderline(underlineBtn->isChecked()); mergeFormat(fmt); } //设置颜色 void editWidget::slotColor() { QColor color = QColorDialog::getColor(Qt::red, this); if (color.isValid()) { QTextCharFormat fmt; fmt.setForeground(color); mergeFormat(fmt); } } //当光标所在处的字符格式发生变化时调用，函数根据新的字符格式把工具栏上的各个格式控件的显示更新 void editWidget::slotNowFormatChanged(const QTextCharFormat & fmt) { fontBox->setCurrentIndex(fontBox->findText(fmt.fontFamily())); sizeBox->setCurrentIndex(sizeBox->findText(QString::number(fmt.fontPointSize()))); boldBtn->setChecked(fmt.font().bold()); italicBtn->setChecked(fmt.fontItalic()); underlineBtn->setChecked(fmt.fontUnderline()); } //设置光标的选区，使格式作用于选区内的字符，若没有选区则作用于光标所在处的字符 void editWidget::mergeFormat(QTextCharFormat fmt) { QTextCursor cursor = textedit->textCursor(); if (!cursor.hasSelection()) cursor.select(QTextCursor::WordUnderCursor); cursor.mergeCharFormat(fmt); textedit->mergeCurrentCharFormat(fmt); } /* 插入参考文献 str是引用时的文字格式 ref_id是引用文献对应的唯一编号 该函数在文本中查找光标处上下文引用，生成正确的编号 并更新后面的编号 该函数还要修改参考文献后面的引用 */ void editWidget::slotInsertReference(QString str, int ref_id) { //本笔记引用数加1 ++ref_num; int thisnum; //qDebug() << str; //获取编辑区文档和光标 以供后面修改 QTextDocument * doc = textedit->document(); QTextCursor cursor(textedit->textCursor()); //设置格式为上标