add qt demo

lixuanhua2015 · Aug 28, 2015 · 2cf014a · 2cf014a
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diff --git a/DateDelegateDemo/DateDelegate.pro b/DateDelegateDemo/DateDelegate.pro
@@ -0,0  1,25 @@
 #-------------------------------------------------
 #
 # Project created by QtCreator 2013-06-04T09:41:42
 #
 #-------------------------------------------------
 
 QT        = core gui
 
 greaterThan(QT_MAJOR_VERSION, 4): QT  = widgets
 
 TARGET = DateDelegate
 TEMPLATE = app
 
 
 SOURCES  = main.cpp\
     datedelegate.cpp \
     combodelegate.cpp \
     spindelegate.cpp \
     proxystyle.cpp
 
 HEADERS   = \
     datedelegate.h \
     combodelegate.h \
     spindelegate.h \
     proxystyle.h
diff --git a/DateDelegateDemo/combodelegate.cpp b/DateDelegateDemo/combodelegate.cpp
@@ -0,0  1,58 @@
 #include "combodelegate.h"
 #include <QComboBox>
 #include <QCompleter>
 #include <QLineEdit>
 
 ComboDelegate::ComboDelegate(QObject *parent) 
     : QItemDelegate(parent)
 {
 
 }
 
 QWidget *ComboDelegate::createEditor(QWidget *parent,const QStyleOptionViewItem &/*option*/,const QModelIndex & index) const
 {
     QComboBox *editor = new QComboBox(parent);
     editor->addItem(QStringLiteral("工人"));
     editor->addItem(QStringLiteral("工1"));
     editor->addItem(QStringLiteral("工2"));
     editor->addItem(QStringLiteral("农民"));
     editor->addItem(QStringLiteral("医生"));
     editor->addItem(QStringLiteral("律师"));
     editor->addItem(QStringLiteral("军人"));
     if (index.data().isValid() && "" != index.data().toString())
     {
         editor->addItem(index.data().toString());
     }
     editor->setEditable(true);
     // 设置自动补全功能
     QCompleter *pCompleter = new QCompleter(editor);
     pCompleter->setModel(editor->model());
     pCompleter->setCaseSensitivity(Qt::CaseInsensitive);
     editor->setCompleter(pCompleter);
 
     // editor->lineEdit()->setReadOnly(true);
     editor->installEventFilter(const_cast<ComboDelegate*>(this));
     return editor;
 }
 
 void ComboDelegate::setEditorData(QWidget *editor,const QModelIndex &index) const
 {
     QString str = index.model()->data(index).toString();
 
     QComboBox *box = static_cast<QComboBox*>(editor);
     box->lineEdit()->setText(str);
     //    int currentIndex = box->findText(str);
     //    box->setCurrentIndex(currentIndex);
 }
 
 void ComboDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
 {
     QComboBox *box = static_cast<QComboBox*>(editor);
     QString str = box->currentText();
     model->setData(index,str);
 }
 
 void ComboDelegate::updateEditorGeometry(QWidget *editor,const QStyleOptionViewItem &option, const QModelIndex &/*index*/) const
 {
     editor->setGeometry(option.rect);
 }
diff --git a/DateDelegateDemo/combodelegate.h b/DateDelegateDemo/combodelegate.h
@@ -0,0  1,18 @@
 #ifndef COMBODELEGATE_H
 #define COMBODELEGATE_H
 
 #include <QItemDelegate>
 
 class ComboDelegate : public QItemDelegate
 {
     Q_OBJECT
 public:
     ComboDelegate(QObject *parent = 0);
 
     QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const;
     void setEditorData(QWidget *editor, const QModelIndex &index) const;
     void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const;
     void updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const  QModelIndex &index) const;
 };
 
 #endif // COMBODELEGATE_H
diff --git a/DateDelegateDemo/datedelegate.cpp b/DateDelegateDemo/datedelegate.cpp
@@ -0,0  1,38 @@
 #include "datedelegate.h"
 #include <QDateTimeEdit>
 
 DateDelegate::DateDelegate(QObject *parent) :
     QItemDelegate(parent)
 {
 }
 
 QWidget *DateDelegate::createEditor(QWidget *parent,const QStyleOptionViewItem &/*option*/,const QModelIndex &/*index*/) const
 {
     QDateTimeEdit *editor = new QDateTimeEdit(parent);
     editor->setDisplayFormat("yyyy-MM-dd");
     editor->setCalendarPopup(true);
     editor->installEventFilter(const_cast<DateDelegate*>(this));
     return editor;
 }
 
 void DateDelegate::setEditorData(QWidget *editor,const QModelIndex &index) const
 {
     QString dateStr = index.model()->data(index).toString();
     QDate date = QDate::fromString(dateStr, Qt::ISODate);
 
     QDateTimeEdit *edit = static_cast<QDateTimeEdit*>(editor);
     edit->setDate(date);
 }
 
 void DateDelegate::setModelData(QWidget *editor,QAbstractItemModel *model, const QModelIndex &index) const
 {
     QDateTimeEdit *edit = static_cast<QDateTimeEdit*>(editor);
     QDate date = edit->date();
     model->setData(index, QVariant(date.toString(Qt::ISODate)));
 }
 
 void DateDelegate::updateEditorGeometry(QWidget *editor,const QStyleOptionViewItem &option,const QModelIndex &index) const
 {
     Q_UNUSED(index);
     editor->setGeometry(option.rect);
 }
diff --git a/DateDelegateDemo/datedelegate.h b/DateDelegateDemo/datedelegate.h
@@ -0,0  1,17 @@
 #ifndef DATEDELEGATE_H
 #define DATEDELEGATE_H
 
 #include <QItemDelegate>
 
 class DateDelegate : public QItemDelegate
 {
     Q_OBJECT
 public:
     DateDelegate(QObject *parent = 0);
     QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const;
     void setEditorData(QWidget *editor, const QModelIndex &index) const;
     void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const;
     void updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index) const;
 };
 
 #endif // DATEDELEGATE_H
diff --git a/DateDelegateDemo/main.cpp b/DateDelegateDemo/main.cpp
@@ -0,0  1,63 @@
 #include <QApplication>
 #include <QStandardItemModel>
 #include <QTableView>
 #include <QFile>
 #include <QTextStream>
 #include "datedelegate.h"
 #include "combodelegate.h"
 #include "spindelegate.h"
 #include "proxystyle.h"
 
 int main(int argc, char *argv[])
 {
     QApplication a(argc, argv);
 
     QStandardItemModel model(4,4);
     QTableView tableView;
     tableView.setModel(&model);
     DateDelegate dateDelegate;
     tableView.setItemDelegateForColumn(1,&dateDelegate);
     ComboDelegate comboDelegate;
     tableView.setItemDelegateForColumn(2,&comboDelegate);
     SpinDelegate spinDelegate;
     tableView.setItemDelegateForColumn(3,&spinDelegate);
 
     tableView.setStyle(new CustomProxyStyle);
 
     model.setHeaderData(0, Qt::Horizontal, QStringLiteral("ÐÕÃû"));
     model.setHeaderData(1, Qt::Horizontal, QStringLiteral("³öÉúÈÕÆÚ"));
     model.setHeaderData(2, Qt::Horizontal, QStringLiteral("Ö°Òµ"));
     model.setHeaderData(3, Qt::Horizontal, QStringLiteral("¹¤Áä"));
 
     QFile file("test.txt");
     if(file.open(QFile::ReadOnly|QFile::Text))
     {
         QTextStream stream(&file);
         QString line;
 
         model.removeRows(0, model.rowCount(QModelIndex()), QModelIndex());
         int row = 0;
         do{
             line = stream.readLine();
 
             if(!line.isEmpty())
             {
                 model.insertRows(row, 1, QModelIndex());
                 QStringList pieces = line.split(",", QString::SkipEmptyParts);
                 model.setData(model.index(row, 0, QModelIndex()), pieces.value(0));
                 model.setData(model.index(row, 1, QModelIndex()), pieces.value(1));
                 model.setData(model.index(row, 2, QModelIndex()), pieces.value(2));
                 model.setData(model.index(row, 3, QModelIndex()), pieces.value(3));
                 row  ;
             }
         }while(!line.isEmpty());
 
         file.close();
     }
 
     tableView.setWindowTitle(QStringLiteral("Delegate"));
     tableView.show();
     tableView.resize(900, 600);
 
     return a.exec();
 }
diff --git a/DateDelegateDemo/proxystyle.cpp b/DateDelegateDemo/proxystyle.cpp
@@ -0,0  1,25 @@
 #include "proxystyle.h"
 
 CustomProxyStyle::CustomProxyStyle()
 {
 
 }
 
 CustomProxyStyle::~CustomProxyStyle()
 {
 
 }
 
 void CustomProxyStyle::drawPrimitive(QStyle::PrimitiveElement element, const QStyleOption *option,
                                     QPainter *painter, const QWidget *widget) const
 {
     if (PE_FrameFocusRect == element)
     {
         /// do not draw focus rectangle
     }
     else
     {
         QProxyStyle::drawPrimitive(element, option,painter, widget);
     }
 }
 
diff --git a/DateDelegateDemo/proxystyle.h b/DateDelegateDemo/proxystyle.h
@@ -0,0  1,22 @@
 ///////////////////////////////////////////////////////////
 // È¥µô¾ØÐÎµãÕóÐé¿ò
 ///////////////////////////////////////////////////////////
 
 #ifndef PROXYSTYLE_H
 #define PROXYSTYLE_H
 
 #include <QProxyStyle>
 
 class CustomProxyStyle : public QProxyStyle
 {
     Q_OBJECT
 
 public:
     CustomProxyStyle();
     ~CustomProxyStyle();
 
 protected:
     virtual void drawPrimitive(PrimitiveElement element, const QStyleOption *option,
                                QPainter *painter, const QWidget *widget = 0) const;
 };
 #endif // PROXYSTYLE_H
diff --git a/DateDelegateDemo/spindelegate.cpp b/DateDelegateDemo/spindelegate.cpp
@@ -0,0  1,38 @@
 #include "spindelegate.h"
 #include <QSpinBox>
 
 SpinDelegate::SpinDelegate(QObject *parent):
     QItemDelegate(parent)
 {
 }
 
 QWidget *SpinDelegate::createEditor(QWidget *parent,const QStyleOptionViewItem &/*option*/,const QModelIndex &/*index*/) const
 {
     QSpinBox *editor = new QSpinBox(parent);
     editor->setRange(0,10000);
     editor->installEventFilter(const_cast<SpinDelegate*>(this));
 
     return editor;
 }
 
 void SpinDelegate::setEditorData(QWidget *editor,const QModelIndex &index) const
 {
     int value =index.model()->data(index).toInt();
     QSpinBox *box = static_cast<QSpinBox*>(editor);
     box->setValue(value);
 }
 
 void SpinDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,const QModelIndex &index) const
 {
     QSpinBox *box = static_cast<QSpinBox*>(editor);
     int value = box->value();
 
     model->setData(index,value);
 }
 
 void SpinDelegate::updateEditorGeometry(QWidget *editor,const QStyleOptionViewItem &option, const QModelIndex &/*index*/) const
 {
     editor->setGeometry(option.rect);
 }
 
 
diff --git a/DateDelegateDemo/spindelegate.h b/DateDelegateDemo/spindelegate.h
@@ -0,0  1,18 @@
 #ifndef SPINDELEGATE_H
 #define SPINDELEGATE_H
 
 #include <QItemDelegate>
 
 class SpinDelegate : public QItemDelegate
 {
     Q_OBJECT
 public:
     SpinDelegate(QObject *parent = 0);
 
     QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex  &index) const;
     void setEditorData(QWidget *editor, const QModelIndex &index) const;
     void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const;
     void updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index) const;
 };
 
 #endif // SPINDELEGATE_H