Difference between revisions of "Qt/ModelView/AbstractTableModelCheckable"
From ProgrammingExamples
< Qt
Daviddoria (Talk | contribs) (Created page with '==main.cpp== <source lang="cpp"> #include <QApplication> #include "form.h" int main(int argc, char *argv[]) { QApplication app(argc, argv); Form form; form.show(); ret…') |
(No difference)
|
Revision as of 15:13, 28 December 2011
Contents
main.cpp
#include <QApplication> #include "form.h" int main(int argc, char *argv[]) { QApplication app(argc, argv); Form form; form.show(); return app.exec(); }
MyTableModel.h
#ifndef MyTableModel_H #define MyTableModel_H #include <QAbstractTableModel> #include <vector> class MyTableModel : public QAbstractTableModel { public: MyTableModel(); int rowCount(const QModelIndex& parent) const; int columnCount(const QModelIndex& parent) const; QVariant data(const QModelIndex& index, int role) const; QVariant headerData(int section, Qt::Orientation orientation, int role) const; Qt::ItemFlags flags(const QModelIndex& index) const; bool setData(const QModelIndex & index, const QVariant & value, int role); // Custom void ChangeData(); protected: std::vector<std::vector<float> > Columns; }; #endif
MyTableModel.cpp
#include "MyTableModel.h" #include <sstream> MyTableModel::MyTableModel() : QAbstractTableModel() { std::vector<float> column1; column1.push_back(10); column1.push_back(20); column1.push_back(30); column1.push_back(40); Columns.push_back(column1); std::vector<float> column2; column2.push_back(50); column2.push_back(60); column2.push_back(70); column2.push_back(80); Columns.push_back(column2); } int MyTableModel::rowCount(const QModelIndex& parent) const { return Columns[0].size(); } int MyTableModel::columnCount(const QModelIndex& parent) const { return Columns.size(); } QVariant MyTableModel::data(const QModelIndex& index, int role) const { if(role == Qt::DisplayRole) { return Columns[index.column()][index.row()]; } return QVariant::Invalid; } QVariant MyTableModel::headerData(int section, Qt::Orientation orientation, int role) const { if(role == Qt::DisplayRole) { std::stringstream ss; if(orientation == Qt::Horizontal) { ss << "H_" << section; return QString(ss.str().c_str()); } else if(orientation == Qt::Vertical) { ss << "V_" << section; return QString(ss.str().c_str()); } } return QVariant::Invalid; } bool MyTableModel::setData(const QModelIndex & index, const QVariant & value, int role) { } Qt::ItemFlags MyTableModel::flags(const QModelIndex& index) const { Qt::ItemFlags returnFlags = QAbstractTableModel::flags(index); if (index.column()==1) { returnFlags |= Qt::ItemIsUserCheckable; } return returnFlags; } void MyTableModel::ChangeData() { for(unsigned int i = 0; i < this->Columns[0].size(); ++i) { this->Columns[0][i]++; this->Columns[1][i]+=2; } beginResetModel(); endResetModel(); }
form.h
#ifndef FORM_H #define FORM_H #include "ui_form.h" #include "MyTableModel.h" class Form : public QWidget, public Ui::Form { Q_OBJECT public: Form(QWidget *parent = 0); public slots: void on_btnUpdate_clicked(); protected: MyTableModel* model; }; #endif
form.cpp
#include <QAbstractTableModel> #include <QtGui> #include <iostream> #include <sstream> #include "form.h" Form::Form(QWidget *parent) : QWidget(parent) { setupUi(this); this->model = new MyTableModel; this->tableView->setModel(model); this->tableView->resizeColumnsToContents(); } void Form::on_btnUpdate_clicked() { this->model->ChangeData(); //this->model->ChangeData(); }
form.ui
<?xml version="1.0" encoding="UTF-8"?> <ui version="4.0"> <class>Form</class> <widget class="QWidget" name="Form"> <property name="geometry"> <rect> <x>0</x> <y>0</y> <width>400</width> <height>300</height> </rect> </property> <property name="windowTitle"> <string>Form</string> </property> <layout class="QGridLayout" name="gridLayout"> <item row="0" column="0"> <widget class="QTableView" name="tableView"> <attribute name="horizontalHeaderStretchLastSection"> <bool>true</bool> </attribute> </widget> </item> <item row="1" column="0"> <widget class="QPushButton" name="btnUpdate"> <property name="text"> <string>Update</string> </property> </widget> </item> </layout> </widget> <resources/> <connections/> </ui>
CMakeLists.txt
cmake_minimum_required(VERSION 2.6) PROJECT(AbstractTableModelCheckable) FIND_PACKAGE(Qt4 REQUIRED) INCLUDE(${QT_USE_FILE}) QT4_WRAP_UI(UISrcs form.ui) QT4_WRAP_CPP(MOCSrcs form.h) include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR}) ADD_EXECUTABLE(AbstractTableModelCheckable main.cpp MyTableModel.cpp form.cpp ${MOCSrcs} ${UISrcs}) TARGET_LINK_LIBRARIES(AbstractTableModelCheckable ${QT_LIBRARIES})