411 lines
15 KiB
C++
411 lines
15 KiB
C++
#include "attributeTableDelegate.h"
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#include "attributeTableModel.h"
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#include "attributeNamespace.h"
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#include "sqlQueryExecutor.h"
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#include "ui_textEditWidget.h"
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//#include "messageBox.h"
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#include <QSpinBox>
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#include <QComboBox>
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#include <QLineEdit>
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#include <QPainter>
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#include <QTimer>
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#include <QRegularExpressionValidator>
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TextEditWidget::TextEditWidget(QWidget* parent)
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: QWidget(parent), ui(new Ui::TextEditWidget)
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{
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ui->setupUi(this);
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setWindowFlags(Qt::FramelessWindowHint);
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m_promptString = "";
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m_patternString = "";
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connect(ui->plainTextEdit, &QPlainTextEdit::textChanged, this, &TextEditWidget::onTextChanged);
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connect(ui->btnConfirm, &QPushButton::clicked, this, &TextEditWidget::onBtnClicked_confirm);
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connect(ui->btnCancle, &QPushButton::clicked, this, &TextEditWidget::onBtnClicked_cancle);
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installEventFilter(this);
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ui->plainTextEdit->installEventFilter(this);
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}
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TextEditWidget::~TextEditWidget()
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{
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delete ui;
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}
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bool TextEditWidget::eventFilter(QObject* obj, QEvent* event)
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{
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if(obj == this && event->type() == QEvent::MouseButtonPress)
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return true; //戒断鼠标事件，防止传递给父组件(tableView)触发单元格切换造成的editor关闭
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else if (obj == ui->plainTextEdit && event->type() == QEvent::KeyPress)
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{
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QKeyEvent* pKeyEvent = static_cast<QKeyEvent*>(event);
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if (pKeyEvent->key() == Qt::Key_Escape)
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{
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emit closeWidget();
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//return true;
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}
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}
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return QWidget::eventFilter(obj, event);
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}
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// void TextEditWidget::mousePressEvent(QMouseEvent* event)
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// {
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// event->accept();
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// }
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QString TextEditWidget::editText()
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{
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return ui->plainTextEdit->toPlainText();
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}
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void TextEditWidget::setEditText(const QString& text)
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{
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ui->plainTextEdit->setPlainText(text);
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}
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void TextEditWidget::setPrompt(const QString& prompt)
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{
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m_promptString = prompt;
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ui->label->setText(m_promptString);
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}
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void TextEditWidget::setRegularExpression(const QString& pattern)
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{
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//QPlainTextEidt没有setValidator方法，所以需要在textChanged槽函数中进行处理
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/*QRegularExpression regExp(pattern);
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QRegularExpressionValidator* validator = new QRegularExpressionValidator(regExp, this);
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ui->plainTextEdit->setValidator(validator);*/
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m_patternString = pattern;
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m_regExp.setPattern(m_patternString.replace(1, 0 , "^"));
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}
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void TextEditWidget::setErrorInfo(const QString& errorInfo)
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{
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ui->label->setText(errorInfo);
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}
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void TextEditWidget::setFocusToTextEdit()
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{
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ui->plainTextEdit->setFocus();
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ui->plainTextEdit->moveCursor(QTextCursor::End);
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}
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void TextEditWidget::onTextChanged()
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{
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ui->label->setText(m_promptString);
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if(m_patternString.isEmpty())
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return;
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QString text = ui->plainTextEdit->toPlainText();
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QString filtered = text;
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filtered.replace(m_regExp, "");
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//qDebug() << text << " " << m_regExp.pattern() << " " << filtered;
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if (filtered != text)
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{
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// 保存光标位置，避免替换后光标跳转
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QTextCursor cursor = ui->plainTextEdit->textCursor();
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int pos = cursor.position();
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ui->plainTextEdit->setPlainText(filtered);
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cursor.setPosition(pos - (text.length() - filtered.length()));
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ui->plainTextEdit->setTextCursor(cursor);
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}
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}
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void TextEditWidget::onBtnClicked_confirm()
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{
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emit confirm();
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}
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void TextEditWidget::onBtnClicked_cancle()
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{
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emit cancle();
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}
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AttributeTableDelegate::AttributeTableDelegate(QTableView* view, const QString& connection, QObject *parent)
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: QStyledItemDelegate(parent)
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, m_tableView(view)
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, m_connection(connection)
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{
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}
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AttributeTableDelegate::~AttributeTableDelegate()
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{}
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void AttributeTableDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const
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{
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//根据行号设置交替色
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QStyleOptionViewItem opt = option;
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initStyleOption(&opt, index);
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if ((index.row() + 1) % 2 == 0)
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{
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//opt.backgroundBrush = QBrush(QColor(243, 245, 249));
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painter->fillRect(opt.rect, QColor(49, 54, 63));
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}
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//处理加粗字体逻辑
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if(/*index.column() == 0 || */index.data(Qt::UserRole + AttributeEidt::EditStatus).toBool())
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{
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opt.font.setBold(true);
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opt.palette.setColor(QPalette::Text, Qt::red);
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}
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//处理被选择时的背景色，注意：如果qss中有设置，会覆盖此处逻辑
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if(option.state.testFlag(QStyle::State_Selected))
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{
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if(index.column() == 0)
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painter->fillRect(opt.rect, QColor(49, 91, 125));
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else
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painter->fillRect(opt.rect, QColor(65, 122, 166));
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}
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//如果行号列(第一列)被选中，做整行处理
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if(m_tableView && m_tableView->model() && index.column() != 0)
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{
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QModelIndex numberIndex = m_tableView->model()->index(index.row(), 0);
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QItemSelectionModel *selectionModel = m_tableView->selectionModel();
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if(selectionModel->isSelected(numberIndex))
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painter->fillRect(opt.rect, QColor(65, 122, 166));
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}
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//先执行默认绘制（包括背景、文本等基础元素）
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QStyledItemDelegate::paint(painter, opt, index);
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//最后绘制删除线（确保位于最顶层）
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if(m_tableView && m_tableView->model())
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{
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QModelIndex numberIndex = m_tableView->model()->index(index.row(), 0);
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QString text = numberIndex.data(Qt::DisplayRole).toString();
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if(text.contains("-"))
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{
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QRect rect = m_tableView->visualRect(index);
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painter->save();
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painter->setPen(Qt::red);
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painter->drawLine(rect.left(), rect.y() + rect.height()*0.5, rect.right(), rect.y() + rect.height()*0.5); //painter属于view，所以要以view的坐标系为标准
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painter->restore();
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}
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}
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}
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QWidget* AttributeTableDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &option,const QModelIndex &index) const
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{
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int dataCol = index.column() - 1;
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if(dataCol == 0) //属性类型
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{
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TextEditWidget* textEditor = new TextEditWidget(parent);
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textEditor->setPrompt(QString::fromWCharArray(L"类型必须为英文"));
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textEditor->setRegularExpression("[A-Za-z0-9_$]");
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connect(textEditor, &TextEditWidget::confirm, this, [=]{
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/*QString strText = textEditor->editText();
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int id = SqlQueryExecutor::instance().getAttributeID(m_connection, strText);
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if(id != -1)
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textEditor->setErrorInfo(QString::fromWCharArray(L"该类型已存在"));
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else
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{
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emit const_cast<AttributeTableDelegate*>(this)->commitData(textEditor);
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emit const_cast<AttributeTableDelegate*>(this)->closeEditor(textEditor, QAbstractItemDelegate::NoHint);
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}*/
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//判断放在setModelData函数中，因为那里会先进行是否做内容改变的判断
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emit const_cast<AttributeTableDelegate*>(this)->commitData(textEditor);
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emit const_cast<AttributeTableDelegate*>(this)->closeEditor(textEditor, QAbstractItemDelegate::NoHint);
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if(m_tableView)
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m_tableView->setFocus();
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});
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connect(textEditor, &TextEditWidget::cancle, this, [=]{
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//createEditor为const成员函数，而closeEditor是QAbstractItemDelegate的非const信号，在const成员函数中不能直接调用，需要转换为非const指针
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emit const_cast<AttributeTableDelegate*>(this)->closeEditor(textEditor, QAbstractItemDelegate::NoHint);
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if(m_tableView)
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m_tableView->setFocus();
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});
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connect(textEditor, &TextEditWidget::closeWidget, this, [=]{
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if(m_tableView)
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m_tableView->setFocus();
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});
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//延迟获取焦点，防止可能因渲染未完成失效
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QTimer::singleShot(10, this, [textEditor]() {
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textEditor->setFocusToTextEdit();
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});
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return textEditor;
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}
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else if(dataCol == 1 || dataCol == 4) //1-数据名称、4-默认值
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{
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TextEditWidget* textEditor = new TextEditWidget(parent);
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connect(textEditor, &TextEditWidget::confirm, this, [=]{
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emit const_cast<AttributeTableDelegate*>(this)->commitData(textEditor);
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emit const_cast<AttributeTableDelegate*>(this)->closeEditor(textEditor, QAbstractItemDelegate::NoHint);
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if(m_tableView)
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m_tableView->setFocus();
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});
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connect(textEditor, &TextEditWidget::cancle, this, [=]{
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emit const_cast<AttributeTableDelegate*>(this)->closeEditor(textEditor, QAbstractItemDelegate::NoHint);
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if(m_tableView)
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m_tableView->setFocus();
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});
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connect(textEditor, &TextEditWidget::closeWidget, this, [=]{
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if(m_tableView)
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m_tableView->setFocus();
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});
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//延迟获取焦点，防止可能因渲染未完成失效
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QTimer::singleShot(10, this, [textEditor]() {
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textEditor->setFocusToTextEdit();
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});
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return textEditor;
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}
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else if(dataCol == 2) //数据类型
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{
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if(m_tableView)
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{
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auto* model = qobject_cast<AttributeTableModel*>(m_tableView->model());
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if(model)
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{
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QMap<int, AttributeTableModel::DataType> dataTypes = model->getDataTypes();
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QComboBox* comboBox = new QComboBox(parent);
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for(auto dataType : dataTypes)
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comboBox->addItem(dataType.type);
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return comboBox;
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}
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}
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}
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else if(dataCol == 3) //数据长度
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{
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QSpinBox* spinBox = new QSpinBox(parent);
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//spinBox->setStyleSheet("border-radius: 0px;");
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spinBox->setRange(-1, 999);
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spinBox->setValue(0);
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return spinBox;
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}
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else if(dataCol == 5) //可见性
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{
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QComboBox* comboBox = new QComboBox(parent);
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//comboBox->setStyleSheet("QComboBox{border-radius: 0px;background-color:rgb(67, 73, 87);}");
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comboBox->addItem("1");
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comboBox->addItem("0");
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comboBox->addItem("2");
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return comboBox;
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}
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return QStyledItemDelegate::createEditor(parent, option, index);
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}
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// void AttributeTableDelegate::destroyEditor(QWidget* editor, const QModelIndex& index) const
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// {
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// emit const_cast<AttributeTableDelegate*>(this)->closeEditor(editor, QAbstractItemDelegate::NoHint);
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// }
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void AttributeTableDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const
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{
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if(TextEditWidget* textEditor = qobject_cast<TextEditWidget*>(editor))
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{
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textEditor->setEditText(index.data(Qt::DisplayRole).toString());
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//textEditor->setFocus();
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}
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else
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QStyledItemDelegate::setEditorData(editor, index);
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}
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void AttributeTableDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
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{
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QVariant newValue;
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if(TextEditWidget* textEditor = qobject_cast<TextEditWidget*>(editor))
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newValue = textEditor->editText();
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else if(QLineEdit* lineEdit = qobject_cast<QLineEdit*>(editor))
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newValue = lineEdit->text();
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else if(QComboBox* comboBox = qobject_cast<QComboBox*>(editor))
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newValue = comboBox->currentText();
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else if(QSpinBox* spinBox = qobject_cast<QSpinBox*>(editor))
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newValue = spinBox->value();
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else
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{
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QStyledItemDelegate::setModelData(editor, model, index);
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return;
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}
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QVariant oldValue = index.data(Qt::EditRole);
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//qDebug() << "newValue: " << newValue.toString() << "oldValue: " << oldValue.toString();
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if (newValue == oldValue)
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return;
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int dataCol = index.column() - 1;
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if(dataCol == 0) //属性类型 做预先判断：1.是否以已在同组中 2.是否已被创建
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{
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auto attributeTableModel = qobject_cast<AttributeTableModel*>(model);
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auto textEditor = qobject_cast<TextEditWidget*>(editor);
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if(attributeTableModel && textEditor)
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{
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QString strText = textEditor->editText();
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int id = SqlQueryExecutor::instance().getAttributeID(m_connection, strText);
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//1.是否以已在同组中(要同时从内存和数据库中都进行查找，避免遗漏已创建但未提交的数据)
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bool existsInCurrentGropu = attributeTableModel->attributeTypeExistsInCurrentGroup(id, strText);
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if(existsInCurrentGropu)
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{
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emit const_cast<AttributeTableDelegate*>(this)->showMessage(type_information, QString::fromWCharArray(L"提示"),
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QString::fromWCharArray(L"该类型属性已在当前组中存在"));
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return;
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}
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//2.是否已被创建
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if(id != -1)
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{
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/*int result = MessageBox::show(t_question, QString::fromWCharArray(L"提示"), QString::fromWCharArray(L"该类型属性已创建，是否直接载入当前数据"));
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if(result == QDialog::Accepted)
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{
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auto attributeTableModel = qobject_cast<AttributeTableModel*>(model);
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attributeTableModel->updateRowThroughExisitingAttribute(index.row(), id);
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return;
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}
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else
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return;*/
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emit const_cast<AttributeTableDelegate*>(this)->showMessage(type_question, QString::fromWCharArray(L"提示"),
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QString::fromWCharArray(L"该类型属性已创建，是否直接载入当前数据"));
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if(g_msgDlgBtn == btn_Yes)
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{
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attributeTableModel->updateRowThroughExisitingAttribute(index.row(), id);
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return;
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}
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else
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return;
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}
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}
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}
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model->setData(index, newValue, Qt::EditRole);
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}
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void AttributeTableDelegate::updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index) const
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{
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if(TextEditWidget* textEditor = qobject_cast<TextEditWidget*>(editor))
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{
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QSize editorSize = textEditor->size();
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QRect optRect = option.rect;
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QWidget* parentWidget = textEditor->parentWidget();
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int nX = optRect.x();
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if(parentWidget && (nX + editorSize.width()) > parentWidget->width())
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nX = parentWidget->width() - editorSize.width();
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int nY = optRect.bottom() - editorSize.height();
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if(nY < 0)
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nY = 0;
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textEditor->setGeometry(nX, nY, editorSize.width(), editorSize.height());
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}
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// else if(QComboBox* comboBox = qobject_cast<QComboBox*>(editor))
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// {
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// comboBox->setGeometry(option.rect);
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// comboBox->setStyleSheet("border-radius: 0px;background-color:rgb(58, 63, 75);");
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// }
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else if(QSpinBox* spinBox = qobject_cast<QSpinBox*>(editor))
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{
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spinBox->setGeometry(option.rect.adjusted(-3,-3,3,3));
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spinBox->setStyleSheet("background-color:rgb(58, 63, 75);"); //QSpinBox不能设置和border相关的项，否则up button无法点击，暂时不知道原因
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}
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else
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{
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editor->setGeometry(option.rect);
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editor->setStyleSheet("border-radius: 0px;background-color:rgb(58, 63, 75);");
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}
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}
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bool AttributeTableDelegate::isEnumType(const QModelIndex& index) const
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{
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return index.data(Qt::UserRole + AttributeEidt::DataType).toInt() == AttributeEidt::ENUM;
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}
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