650 lines
19 KiB
C++
650 lines
19 KiB
C++
#include "delegate.h"
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#include <QDebug>
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#include <QSpinBox>
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#include <QDateEdit>
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#include <QCheckBox>
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#include <QComboBox>
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#include <QDateTimeEdit>
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#include <QDateEdit>
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#include <QPushButton>
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#include <QLineEdit>
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#include <QCalendarWidget>
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#include <QProgressBar>
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#include <QApplication>
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#include <QPainter>
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#include <QMouseEvent>
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#include <QLabel>
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#include <QTableView>
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Delegate::Delegate(QObject *parent): QStyledItemDelegate(parent)
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{
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this->init();
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}
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QWidget *Delegate::createEditor(QWidget *parent, const QStyleOptionViewItem &/*option*/, const QModelIndex &/*index*/) const
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{
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if(delegateType == "QCheckBox")
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return 0;
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/*创建编辑器*/
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QWidget *editor = new QWidget(parent);
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/*判断具体的委托，并将编辑器进行响应的设置*/
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if(delegateType == "QSpinBox")
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{
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//必须加上parent，负责QSpinBox显示在视图外面
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QSpinBox *sbox = new QSpinBox(parent);
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sbox->setRange(sboxMinValue,sboxMaxValue);
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sbox->setSuffix(sboxSuffixStr);
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sbox->setPrefix(sboxPrefixStr);
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sbox->setSingleStep(sboxSingleStep);
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sbox->setStepType(sboxStepType);
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sbox->setValue(sboxInitValue);
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editor = sbox;
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connect(sbox,SIGNAL(valueChanged(int)),this,SLOT(on_valueChanged(int)));
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}
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else if(delegateType == "QDoubleSpinBox")
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{
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QDoubleSpinBox *sdbox = new QDoubleSpinBox(parent);
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sdbox->setRange(0,100);
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// sdbox->setSuffix(sboxSuffixStr);
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// sdbox->setPrefix(sboxPrefixStr);
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sdbox->setSingleStep(0.1);
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// sdbox->setStepType(sboxStepType);
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// sdbox->setValue(sboxInitValue);
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editor = sdbox;
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connect(sdbox,SIGNAL(valueChanged(double)),this,SLOT(on_valueChanged(double)));
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}
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else if(delegateType == "QComboBox")
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{
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QComboBox *cbox = new QComboBox(parent);
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cbox->addItems(cboxItems);
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cbox->setEditable(cboxEditable);
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editor = cbox;
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}
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else if (delegateType == "QDateTimeEdit") {
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QDateTimeEdit *dateTime = new QDateTimeEdit(parent);
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dateTime->setCalendarPopup(true);
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dateTime->setDisplayFormat("yyyy-MM-dd HH:mm:ss");
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dateTime->calendarWidget()->setLocale(QLocale::Chinese);
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editor = dateTime;
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}
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else if (delegateType == "QDateEdit") {
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QDateEdit *date = new QDateEdit(parent);
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date->setCalendarPopup(true);
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date->setDisplayFormat("yyyy-MM-dd");
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date->calendarWidget()->setLocale(QLocale::Chinese);
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editor = date;
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}
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else if (delegateType == "QTimeEdit") {
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QTimeEdit *time = new QTimeEdit(parent);
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time->setDisplayFormat("HH:mm:ss");
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editor = time;
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}
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else if (delegateType == "QLineEdit")
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{
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QLineEdit *lineEidt = new QLineEdit(parent);
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// lineEidt->setReadOnly(true);
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editor = lineEidt;
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connect(lineEidt, SIGNAL(textChanged(QString)), this, SLOT(on_valueChanged(QString)));
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}
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else if (delegateType == "QLabel")
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{
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QLabel *label = new QLabel(parent);
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editor = label;
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connect(label, SIGNAL(textChanged(QString)), this, SLOT(on_valueChanged(QString)));
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}
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return editor;
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}
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void Delegate::setEditorData(QWidget *editor, const QModelIndex &index) const
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{
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auto value = index.model()->data(index, Qt::EditRole);
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if(delegateType == "QSpinBox")
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{
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QSpinBox *spinBox = static_cast<QSpinBox*>(editor);
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spinBox->setValue(value.toInt());
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}
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else if(delegateType == "QDoubleSpinBox")
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{
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QDoubleSpinBox *dspinBox = static_cast<QDoubleSpinBox*>(editor);
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dspinBox->setValue(value.toFloat());
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}
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else if(delegateType == "QComboBox")
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{
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QComboBox *cbox = static_cast<QComboBox*>(editor);
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cbox->setCurrentText(value.toString());
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}
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else if (delegateType == "QDateTimeEdit")
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{
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QDateTimeEdit *dateTime = static_cast<QDateTimeEdit *>(editor);
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dateTime->setDateTime(QDateTime::fromString(value.toString(), "yyyy-MM-dd HH:mm:ss"));
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}
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else if (delegateType == "QDateEdit")
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{
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QDateEdit *date = static_cast<QDateEdit *>(editor);
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date->setDate(QDate::fromString(value.toString(), "yyyy-MM-dd"));
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}
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else if (delegateType == "QTimeEdit")
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{
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QTimeEdit *time = static_cast<QTimeEdit *>(editor);
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time->setTime(QTime::fromString(value.toString(), "HH:mm:ss"));
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}
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else if (delegateType == "QLineEdit")
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{
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QLineEdit *lineEidt = static_cast<QLineEdit *>(editor);
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lineEidt->setText(value.toString());
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}
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else if (delegateType == "QLabel")
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{
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QLabel *label = static_cast<QLabel *>(editor);
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label->setText(value.toString());
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}
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else
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{
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QStyledItemDelegate::setEditorData(editor, index);
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}
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}
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void Delegate::setModelData(QWidget *editor, QAbstractItemModel *model,
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const QModelIndex &index) const
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{
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QVariant value = model->data(index);
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if(delegateType == "QSpinBox")
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{
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QSpinBox *spinBox = static_cast<QSpinBox*>(editor);
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value = spinBox->value();
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}
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if(delegateType == "QDoubleSpinBox")
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{
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QDoubleSpinBox *dspinBox = static_cast<QDoubleSpinBox*>(editor);
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value = dspinBox->value();
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}
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else if(delegateType == "QComboBox")
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{
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QComboBox *cbox = static_cast<QComboBox*>(editor);
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value = cbox->currentText();
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}
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else if (delegateType == "QDateTimeEdit")
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{
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QDateTimeEdit *dateTime = static_cast<QDateTimeEdit *>(editor);
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value = dateTime->dateTime().toString("yyyy-MM-dd HH:mm:ss");
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}
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else if (delegateType == "QDateEdit")
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{
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QDateEdit *date = static_cast<QDateEdit *>(editor);
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value = date->date().toString("yyyy-MM-dd");
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}
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else if (delegateType == "QTimeEdit")
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{
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QTimeEdit *time = static_cast<QTimeEdit *>(editor);
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value = time->time().toString("HH:mm:ss");
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}
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else if (delegateType == "QLineEdit")
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{
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QLineEdit *lineEidt = static_cast<QLineEdit *>(editor);
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value = lineEidt->text();
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}
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else if (delegateType == "QLabel")
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{
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QLabel *label = static_cast<QLabel *>(editor);
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value = label->text();
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}
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model->setData(index, value, Qt::EditRole);
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}
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void Delegate::updateEditorGeometry(QWidget *editor,
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const QStyleOptionViewItem &option,
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const QModelIndex &/* index */) const
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{
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editor->setGeometry(option.rect);
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}
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void Delegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
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{
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if(index.column() == delegateColumnID)
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{
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if(delegateType == "QProgressBar")
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{
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drawProgressBar(painter,option,index);
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}
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else if(delegateType == "QCheckBox")
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{
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drawCheckBox(painter,option,index);
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}
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else if(delegateType == "QPushButton")
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{
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drawPushButton(painter,option,index);
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}
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else if(delegateType == "QPixmap" && judgmentColumn>=0)
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{
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drawPixmap(painter,option,index);
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}
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else if (delegateType == "QLineEdit" && delegatePwd)
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{
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drawLineEdit(painter, option, index);
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}
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}//if
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else
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{
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QStyledItemDelegate::paint(painter,option,index);
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}
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}
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bool Delegate::editorEvent(QEvent *event, QAbstractItemModel *model, const QStyleOptionViewItem &option, const QModelIndex &index)
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{
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//Qt6中如果调用了 qApp->setStyleSheet 设置了全局样式的话,鼠标移动也会触发 editorEvent TNND
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if (event->type() == QEvent::MouseMove) {
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return false;
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}
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//处理编辑数据
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QString data = index.data(Qt::DisplayRole).toString();
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if (delegateType == "QCheckBox") {
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//鼠标松开不用处理,不然会重复设置
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if (event->type() == QEvent::MouseButtonRelease) {
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return false;
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}
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//如果当前的文字和设置的选中文字一致则说明是选中
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checkedText = (data == checkBoxChecked ? checkBoxUnchecked : checkBoxChecked);
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model->setData(index, checkedText, Qt::EditRole);
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emit valueChanged(checkedText);
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} else if (delegateType == "QPushButton") {
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QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
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mousePoint = mouseEvent->pos();
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mousePressed = false;
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//没有按钮对应的值则不处理
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QStringList list = data.split("|");
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int count = list.count();
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if (data.isEmpty() || count == 0) {
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return false;
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}
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//根据按钮数量自动计算按钮对应的区域
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int x = option.rect.x();
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int y = option.rect.y();
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int width = option.rect.width() / count;
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int height = option.rect.height();
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QList<QRect> btnRect;
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for (int i = 0; i < count; ++i) {
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btnRect << QRect(x + i * width, y, width, height);
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}
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if (event->type() == QEvent::MouseButtonPress) {
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//鼠标按下更新对应按钮区域是否按下,并判断按下的区域是哪个按钮,发送对应的按钮索引和index
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for (int i = 0; i < count; ++i) {
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if (btnRect.at(i).contains(mousePoint)) {
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mousePressed = true;
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emit buttonClicked(i, index);
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break;
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}
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}
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}
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//需要返回真表示需要继续绘制
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return true;
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}
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//和事件过滤器类似,也需要继续返回执行
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return QStyledItemDelegate::editorEvent(event, model, option, index);
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}
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void Delegate::init()
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{
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delegateType = "QSpinBox";
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delegateColumnID = -1;
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sboxMaxValue = 100;
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sboxMinValue = 0;
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sboxPrefixStr = "";
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sboxSuffixStr = "";
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sboxSingleStep = 1;
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sboxInitValue = 0;
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sboxStepType = QAbstractSpinBox::DefaultStepType;
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cboxItems.clear();
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cboxEditable = true;
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checkBoxChecked = "true";
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checkBoxUnchecked = "false";
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pgbarMax = 100;
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pgbarMin = 0;
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pgbarAlignment = Qt::AlignCenter;
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isTextVisible = true;
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invertedAppearance = false;
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imgOk = QPixmap(":/corr.png");
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imgNo = QPixmap(":/erro.png");
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imgWidth = 20;
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imgHeigth = 20;
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judgmentColumn = -1;
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judgmentValue = "错误";
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judgmentCondition = "contains";
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}
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void Delegate::checkData(const QString &data,bool *selse)const
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{
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if (judgmentCondition == "==") {
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if (data == judgmentValue) {
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*selse = true;
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}
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} else if (judgmentCondition == ">") {
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if (data.toDouble() > judgmentValue.toDouble()) {
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*selse = true;
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}
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} else if (judgmentCondition == ">=") {
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if (data.toDouble() >= judgmentValue.toDouble()) {
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*selse = true;
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}
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} else if (judgmentCondition == "<") {
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if (data.toDouble() < judgmentValue.toDouble()) {
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*selse = true;
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}
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} else if (judgmentCondition == "<=") {
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if (data.toDouble() <= judgmentValue.toDouble()) {
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*selse = true;
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}
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} else if (judgmentCondition == "!=") {
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if (data != judgmentValue) {
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*selse = true;
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}
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} else if (judgmentCondition == "contains") {
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QStringList list = judgmentValue.split("|");
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foreach (QString value, list) {
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if (data.contains(value)) {
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*selse = true;
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break;
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}
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}
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}
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}
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void Delegate::drawProgressBar(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index)const
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{
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//获得视图中的值
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int value = index.model()->data(index,Qt::DisplayRole).toInt();
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//创建包含QProgressBar样式信息类
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QStyleOptionProgressBar soPgbar;
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//使用我们创建的pgBar初始化soPgbar
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soPgbar.initFrom(pgBar);
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//设置最大值和最小值
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soPgbar.maximum = pgbarMax;
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soPgbar.minimum = pgbarMin;
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//设置进度条值
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soPgbar.progress = value;
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//设置状态
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soPgbar.state |= QStyle::State_Enabled;
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soPgbar.state |= QStyle::State_Horizontal;
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//设置位置和大小
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soPgbar.rect = option.rect;
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//设置文本
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soPgbar.text = QString("%1%").arg(value);
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//设置文本是否可见
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soPgbar.textVisible = isTextVisible;
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//设置文本居中
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soPgbar.textAlignment = pgbarAlignment;
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//设置进度条的进度方向
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soPgbar.invertedAppearance = invertedAppearance;
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//绘制
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QApplication::style()->drawControl(QStyle::CE_ProgressBar,&soPgbar,painter,pgBar);
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}
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void Delegate::drawCheckBox(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
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{
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//处理复选框委托,判断是否选中,设置选中状态
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QString data = index.data(Qt::EditRole).toString();
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bool checked = (data == checkBoxChecked);
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QStyleOptionButton styleOption;
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styleOption.initFrom(checkBox);
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styleOption.state = checked ? QStyle::State_On : QStyle::State_Off;
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styleOption.state |= QStyle::State_Enabled;
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//设置居中正方形区域
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int width = option.rect.width();
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int height = option.rect.height();
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int size = qMin(width, height);
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int x = option.rect.center().x() - (size / 4);
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int y = option.rect.y();
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styleOption.rect = QRect(x, y, size, size);
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QApplication::style()->drawControl(QStyle::CE_CheckBox, &styleOption, painter, checkBox);
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}
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void Delegate::drawPushButton(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
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{
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//没有按钮对应的值则不处理
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QString data = index.data(Qt::DisplayRole).toString();
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QStringList list = data.split("|");
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int count = list.count();
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if (data.isEmpty() || count == 0) {
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return;
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}
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//处理按钮集合委托,自动计算分配宽度
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int x = option.rect.x();
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int y = option.rect.y();
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int width = option.rect.width() / count;
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int height = option.rect.height();
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//分别绘制按钮集合
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for (int i = 0; i < count; ++i) {
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QStyleOptionButton styleOption;
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styleOption.initFrom(button);
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styleOption.rect = QRect(x + i * width, y, width, height);
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styleOption.text = list.at(i);
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styleOption.state |= QStyle::State_Enabled;
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//鼠标按下更新对应的样式
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if (mousePressed) {
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if (styleOption.rect.contains(mousePoint)) {
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styleOption.state |= QStyle::State_Sunken;
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}
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}
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//第四个参数也可以为空,为空的话就不能应用样式表
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QApplication::style()->drawControl(QStyle::CE_PushButton, &styleOption, painter, button);
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}
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}
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void Delegate::drawPixmap(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
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{
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QString data = index.model()->index(index.row(),judgmentColumn).data().toString();
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bool selse;
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checkData(data,&selse);
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//图标自动缩放到指定大小
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QPixmap pixmap = (selse?imgOk:imgNo);
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pixmap = pixmap.scaled(QSize(imgWidth, imgHeigth), Qt::KeepAspectRatio, Qt::SmoothTransformation);
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QApplication::style()->drawItemPixmap(painter, option.rect, Qt::AlignCenter, pixmap);
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}
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void Delegate::drawLineEdit(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
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{
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//统计数量，转换成对应数量的密码样式
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QString value = index.model()->data(index, Qt::DisplayRole).toString();
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int len = value.length();
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QString text;
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for (int i = 0; i < len; ++i)
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{
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text += "●";
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}
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QRect rect = option.rect;
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rect.setX(rect.x() + 2);
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painter->drawText(rect, Qt::AlignCenter, text);
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}
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void Delegate::on_valueChanged(int value)
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{
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emit valueChanged(QString("%1").arg(value));
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}
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void Delegate::on_valueChanged(double value)
|
||
{
|
||
emit valueChanged(QString("%1").arg(value));
|
||
}
|
||
|
||
void Delegate::on_valueChanged(QString value)
|
||
{
|
||
emit valueChanged(QString("%1").arg(value));
|
||
}
|
||
|
||
|
||
void Delegate::setDelegateType(const QString &delegateType)
|
||
{
|
||
this->delegateType = delegateType;
|
||
/*将需要使用paint绘制的控件在这里new出来。
|
||
*为什么不在paint函数中new呢？
|
||
* 因为不能在const成员函数paint中分配非静态数据成员
|
||
*/
|
||
if(delegateType == "QProgressBar")
|
||
{
|
||
pgBar = new QProgressBar;
|
||
}
|
||
else if(delegateType == "QPushButton")
|
||
{
|
||
button = new QPushButton;
|
||
}
|
||
else if (delegateType == "QCheckBox")
|
||
{
|
||
checkBox = new QCheckBox;
|
||
}
|
||
|
||
}
|
||
|
||
void Delegate::setDelegateColumn(const int delegateColumnID)
|
||
{
|
||
this->delegateColumnID = delegateColumnID;
|
||
}
|
||
|
||
void Delegate::setSboxMaxValue(const int max)
|
||
{
|
||
sboxMaxValue = max;
|
||
}
|
||
|
||
void Delegate::setSboxMinValue(const int min)
|
||
{
|
||
sboxMinValue = min;
|
||
}
|
||
|
||
void Delegate::setSboxPrefixStr(const QString &prefix)
|
||
{
|
||
sboxPrefixStr = prefix;
|
||
}
|
||
|
||
void Delegate::setSboxSuffixStr(const QString &suffix)
|
||
{
|
||
sboxSuffixStr = suffix;
|
||
}
|
||
void Delegate::setSboxSingleStep(const int SingleStep)
|
||
{
|
||
sboxSingleStep = SingleStep;
|
||
}
|
||
|
||
void Delegate::setSboxInitValue(const int initValue)
|
||
{
|
||
sboxInitValue = initValue;
|
||
}
|
||
void Delegate::setSboxStepType(QAbstractSpinBox::StepType st)
|
||
{
|
||
sboxStepType = st;
|
||
}
|
||
|
||
void Delegate::setCboxItems(const QStringList &items)
|
||
{
|
||
cboxItems = items;
|
||
}
|
||
|
||
void Delegate::setCboxEditable(bool editable)
|
||
{
|
||
cboxEditable = editable;
|
||
}
|
||
|
||
void Delegate::setPgBarRange(const int min, const int max)
|
||
{
|
||
pgbarMin = min;
|
||
pgbarMax = max;
|
||
}
|
||
|
||
void Delegate::setPgBarTextVisible(bool isTextVisible)
|
||
{
|
||
this->isTextVisible = isTextVisible;
|
||
}
|
||
|
||
void Delegate::setPgBarAlignment(Qt::Alignment pgbarAlignment)
|
||
{
|
||
|
||
this->pgbarAlignment = pgbarAlignment;
|
||
}
|
||
|
||
void Delegate::setInvertedAppearance(bool invertedAppearance)
|
||
{
|
||
this->invertedAppearance = invertedAppearance;
|
||
}
|
||
|
||
void Delegate::setCheckBoxText(const QString &checkBoxChecked, const QString &checkBoxUnchecked)
|
||
{
|
||
this->checkBoxChecked = checkBoxChecked;
|
||
this->checkBoxUnchecked = checkBoxUnchecked;
|
||
}
|
||
|
||
void Delegate::setImgOk(const QPixmap &imgOk)
|
||
{
|
||
this->imgOk = imgOk;
|
||
}
|
||
|
||
void Delegate::setImgNo(const QPixmap &imgNo)
|
||
{
|
||
this->imgNo = imgNo;
|
||
}
|
||
|
||
void Delegate::setImgSize(int width,int heigth)
|
||
{
|
||
this->imgWidth = width;
|
||
this->imgHeigth = heigth;
|
||
}
|
||
|
||
void Delegate::setJudgmentColumn(int column)
|
||
{
|
||
this->judgmentColumn = column;
|
||
}
|
||
|
||
void Delegate::setJudgmentValue(const QString &value)
|
||
{
|
||
this->judgmentValue = value;
|
||
}
|
||
|
||
void Delegate::setJudgmentCondition(const QString &condition)
|
||
{
|
||
this->judgmentCondition = condition;
|
||
}
|
||
|
||
void Delegate::setDelegatePwd(bool showDelegatePwd)
|
||
{
|
||
this->delegatePwd = showDelegatePwd;
|
||
}
|
||
|
||
void Delegate::setComboBox(QAbstractItemView *view, QAbstractItemModel *model)
|
||
{
|
||
for (int row = 0; row < model->rowCount(); ++row) {
|
||
QComboBox *comboBox = new QComboBox();
|
||
comboBox->addItems(cboxItems);
|
||
view->setIndexWidget(model->index(row, delegateColumnID), comboBox);
|
||
}
|
||
}
|
||
|