Qt/ModelView/AbstractTableModelCheckable - Revision history

Daviddoria: Needed to return something for the CheckStateRole in data()

2011-12-29T13:17:41Z

Needed to return something for the CheckStateRole in data()

Daviddoria: moved Broken/Qt/ModelView/AbstractTableModelCheckable to Qt/ModelView/AbstractTableModelCheckable: Fixed.

2011-12-29T13:16:21Z

moved Broken/Qt/ModelView/AbstractTableModelCheckable to Qt/ModelView/AbstractTableModelCheckable: Fixed.

Daviddoria: Created page with '==main.cpp== #include #include "form.h" int main(int argc, char *argv[]) { QApplication app(argc, argv); Form form; form.show(); ret…'

2011-12-28T19:13:17Z

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…'

New page

==main.cpp==
<source lang="cpp">
#include <QApplication>

#include "form.h"

int main(int argc, char *argv[])
{
QApplication app(argc, argv);
Form form;

form.show();
return app.exec();
}

</source>

==MyTableModel.h==
<source lang="cpp">
#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

</source>

==MyTableModel.cpp==
<source lang="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();
}

</source>

==form.h==
<source lang="cpp">
#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

</source>

==form.cpp==
<source lang="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();
}

</source>

==form.ui==
<source lang="text">
<?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>

</source>

==CMakeLists.txt==
<source lang="cmake">
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})

</source>

@@ Line 24: / Line 24: @@
 #include <vector>
 class MyTableModel : public QAbstractTableModel
@@ Line 29: / Line 37: @@
 public:
    MyTableModel();
-−
    int rowCount(const QModelIndex& parent) const;
    int columnCount(const QModelIndex& parent) const;
@@ Line 36: / Line 44: @@
    Qt::ItemFlags flags(const QModelIndex& index) const;
    bool setData(const QModelIndex & index, const QVariant & value, int role);
 protected:
-   std::vector<std::vector<float> > Columns;
+   std::vector<std::vector<Item> > Columns;
 };
@@ Line 56: / Line 61: @@
 MyTableModel::MyTableModel() : QAbstractTableModel()
+{
-   std::vector<float> column1;
+   std::vector<Item> column1;
-   column1.push_back(10);
+  Item item(10, Qt::Checked);
-   column1.push_back(20);
+   column1.push_back(item);
-   column1.push_back(30);
+  item.value = 20; item.state = Qt::Checked;
-   column1.push_back(40);
+   column1.push_back(item);
    Columns.push_back(column1);
-   std::vector<float> column2;
+   std::vector<Item> column2;
-   column2.push_back(50);
+  item.value = 50; item.state = Qt::Unchecked;
-   column2.push_back(60);
+   column2.push_back(item);
-   column2.push_back(70);
+  item.value = 60; item.state = Qt::Unchecked;
-   column2.push_back(80);
+   column2.push_back(item);
    Columns.push_back(column2);
@@ Line 89: / Line 102: @@
    if(role == Qt::DisplayRole)
+     {
-     return Columns[index.column()][index.row()];
+     return Columns[index.column()][index.row()].value;
+     }
    return QVariant::Invalid;
@@ Line 96: / Line 113: @@
 QVariant MyTableModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
    if(role == Qt::DisplayRole)
+     {
@@ Line 110: / Line 126: @@
        return QString(ss.str().c_str());
+       }
+     }
-−
    return QVariant::Invalid;
+}
@@ Line 119: / Line 134: @@
 bool MyTableModel::setData(const QModelIndex & index, const QVariant & value, int role)
+{
+   if (index.column() == 1 && role == Qt::CheckStateRole)
+}
@@ Line 125: / Line 146: @@
+{
    Qt::ItemFlags returnFlags = QAbstractTableModel::flags(index);
-void MyTableModel::ChangeData()
+   if (index.column() == 1)
-−
-   for(unsigned int i = 0; i < this->Columns[0].size(); ++i)
+     {
-     this->Columns[0][i]++;
+     returnFlags |= Qt::ItemIsUserCheckable;
-    this->Columns[1][i]+=2;
+     }
-   beginResetModel();
+   return returnFlags;
-  endResetModel();
+}
@@ Line 159: / Line 168: @@
 class Form : public QWidget, public Ui::Form
+{
-    Q_OBJECT
+Q_OBJECT
 public:
-    Form(QWidget *parent = 0);
+  Form(QWidget *parent = 0);
-−
-  public slots:
-    void on_btnUpdate_clicked();
 protected:
@@ Line 188: / Line 194: @@
+{
    setupUi(this);
-−
    this->model = new MyTableModel;
    this->tableView->setModel(model);
-−
    this->tableView->resizeColumnsToContents();
+}
 </source>

← Older revision	Revision as of 13:16, 29 December 2011
(No difference)