From f574700f920ae5d5bda25ba217d6face9f3d3902 Mon Sep 17 00:00:00 2001 From: Michael D Scull Date: Thu, 27 May 2010 15:12:58 +0200 Subject: Rolands ModelView Source --- .../tutorials/modelview/1_readonly/1_readonly.pro | 10 +++ examples/tutorials/modelview/1_readonly/main.cpp | 10 +++ .../tutorials/modelview/1_readonly/modelview.cpp | 12 ++++ .../tutorials/modelview/1_readonly/modelview.h | 18 ++++++ .../tutorials/modelview/1_readonly/mymodel.cpp | 30 +++++++++ examples/tutorials/modelview/1_readonly/mymodel.h | 16 +++++ .../modelview/2_formatting/2_formatting.pro | 10 +++ examples/tutorials/modelview/2_formatting/main.cpp | 10 +++ .../tutorials/modelview/2_formatting/modelview.cpp | 12 ++++ .../tutorials/modelview/2_formatting/modelview.h | 17 +++++ .../tutorials/modelview/2_formatting/mymodel.cpp | 73 ++++++++++++++++++++++ .../tutorials/modelview/2_formatting/mymodel.h | 16 +++++ .../modelview/3_changingmodel/3_changingmodel.pro | 10 +++ .../tutorials/modelview/3_changingmodel/main.cpp | 10 +++ .../modelview/3_changingmodel/modelview.cpp | 12 ++++ .../modelview/3_changingmodel/modelview.h | 17 +++++ .../modelview/3_changingmodel/mymodel.cpp | 53 ++++++++++++++++ .../tutorials/modelview/3_changingmodel/mymodel.h | 23 +++++++ .../tutorials/modelview/4_headers/4_headers.pro | 10 +++ examples/tutorials/modelview/4_headers/main.cpp | 10 +++ .../tutorials/modelview/4_headers/modelview.cpp | 14 +++++ examples/tutorials/modelview/4_headers/modelview.h | 18 ++++++ examples/tutorials/modelview/4_headers/mymodel.cpp | 50 +++++++++++++++ examples/tutorials/modelview/4_headers/mymodel.h | 17 +++++ examples/tutorials/modelview/5_edit/5_edit.pro | 10 +++ examples/tutorials/modelview/5_edit/main.cpp | 10 +++ examples/tutorials/modelview/5_edit/modelview.cpp | 20 ++++++ examples/tutorials/modelview/5_edit/modelview.h | 19 ++++++ examples/tutorials/modelview/5_edit/mymodel.cpp | 58 +++++++++++++++++ examples/tutorials/modelview/5_edit/mymodel.h | 24 +++++++ .../tutorials/modelview/6_treeview/6_treeview.pro | 5 ++ examples/tutorials/modelview/6_treeview/main.cpp | 10 +++ .../tutorials/modelview/6_treeview/modelview.cpp | 40 ++++++++++++ .../tutorials/modelview/6_treeview/modelview.h | 24 +++++++ .../modelview/7_selections/7_selections.pro | 5 ++ examples/tutorials/modelview/7_selections/main.cpp | 10 +++ .../tutorials/modelview/7_selections/modelview.cpp | 63 +++++++++++++++++++ .../tutorials/modelview/7_selections/modelview.h | 23 +++++++ examples/tutorials/modelview/qmake.pro | 10 +++ 39 files changed, 809 insertions(+) create mode 100755 examples/tutorials/modelview/1_readonly/1_readonly.pro create mode 100755 examples/tutorials/modelview/1_readonly/main.cpp create mode 100755 examples/tutorials/modelview/1_readonly/modelview.cpp create mode 100755 examples/tutorials/modelview/1_readonly/modelview.h create mode 100755 examples/tutorials/modelview/1_readonly/mymodel.cpp create mode 100755 examples/tutorials/modelview/1_readonly/mymodel.h create mode 100755 examples/tutorials/modelview/2_formatting/2_formatting.pro create mode 100755 examples/tutorials/modelview/2_formatting/main.cpp create mode 100755 examples/tutorials/modelview/2_formatting/modelview.cpp create mode 100755 examples/tutorials/modelview/2_formatting/modelview.h create mode 100755 examples/tutorials/modelview/2_formatting/mymodel.cpp create mode 100755 examples/tutorials/modelview/2_formatting/mymodel.h create mode 100755 examples/tutorials/modelview/3_changingmodel/3_changingmodel.pro create mode 100755 examples/tutorials/modelview/3_changingmodel/main.cpp create mode 100755 examples/tutorials/modelview/3_changingmodel/modelview.cpp create mode 100755 examples/tutorials/modelview/3_changingmodel/modelview.h create mode 100755 examples/tutorials/modelview/3_changingmodel/mymodel.cpp create mode 100755 examples/tutorials/modelview/3_changingmodel/mymodel.h create mode 100755 examples/tutorials/modelview/4_headers/4_headers.pro create mode 100755 examples/tutorials/modelview/4_headers/main.cpp create mode 100755 examples/tutorials/modelview/4_headers/modelview.cpp create mode 100755 examples/tutorials/modelview/4_headers/modelview.h create mode 100755 examples/tutorials/modelview/4_headers/mymodel.cpp create mode 100755 examples/tutorials/modelview/4_headers/mymodel.h create mode 100755 examples/tutorials/modelview/5_edit/5_edit.pro create mode 100755 examples/tutorials/modelview/5_edit/main.cpp create mode 100755 examples/tutorials/modelview/5_edit/modelview.cpp create mode 100755 examples/tutorials/modelview/5_edit/modelview.h create mode 100755 examples/tutorials/modelview/5_edit/mymodel.cpp create mode 100755 examples/tutorials/modelview/5_edit/mymodel.h create mode 100755 examples/tutorials/modelview/6_treeview/6_treeview.pro create mode 100755 examples/tutorials/modelview/6_treeview/main.cpp create mode 100755 examples/tutorials/modelview/6_treeview/modelview.cpp create mode 100755 examples/tutorials/modelview/6_treeview/modelview.h create mode 100755 examples/tutorials/modelview/7_selections/7_selections.pro create mode 100755 examples/tutorials/modelview/7_selections/main.cpp create mode 100755 examples/tutorials/modelview/7_selections/modelview.cpp create mode 100755 examples/tutorials/modelview/7_selections/modelview.h create mode 100755 examples/tutorials/modelview/qmake.pro diff --git a/examples/tutorials/modelview/1_readonly/1_readonly.pro b/examples/tutorials/modelview/1_readonly/1_readonly.pro new file mode 100755 index 0000000..1162d5a --- /dev/null +++ b/examples/tutorials/modelview/1_readonly/1_readonly.pro @@ -0,0 +1,10 @@ +TARGET = mv_readonly + +TEMPLATE = app + +SOURCES += main.cpp \ + modelview.cpp \ + mymodel.cpp + +HEADERS += modelview.h \ + mymodel.h diff --git a/examples/tutorials/modelview/1_readonly/main.cpp b/examples/tutorials/modelview/1_readonly/main.cpp new file mode 100755 index 0000000..998503c --- /dev/null +++ b/examples/tutorials/modelview/1_readonly/main.cpp @@ -0,0 +1,10 @@ +#include +#include "modelview.h" + +int main(int argc, char *argv[]) +{ + QApplication a(argc, argv); + ModelView w; + w.show(); + return a.exec(); +} diff --git a/examples/tutorials/modelview/1_readonly/modelview.cpp b/examples/tutorials/modelview/1_readonly/modelview.cpp new file mode 100755 index 0000000..becd61d --- /dev/null +++ b/examples/tutorials/modelview/1_readonly/modelview.cpp @@ -0,0 +1,12 @@ +#include +#include "modelview.h" +#include "mymodel.h" + +ModelView::ModelView(QWidget *parent) + : QMainWindow(parent) +{ + tableView = new QTableView(this); + setCentralWidget(tableView); + tableView->setModel(new MyModel(this) ); +} + diff --git a/examples/tutorials/modelview/1_readonly/modelview.h b/examples/tutorials/modelview/1_readonly/modelview.h new file mode 100755 index 0000000..f1b63bd --- /dev/null +++ b/examples/tutorials/modelview/1_readonly/modelview.h @@ -0,0 +1,18 @@ +#ifndef MODELVIEW_H +#define MODELVIEW_H + +#include + +class QTableView; //forward declaration + +class ModelView : public QMainWindow +{ + Q_OBJECT +private: + QTableView *tableView; +public: + ModelView(QWidget *parent = 0); + +}; + +#endif // MODELVIEW_H diff --git a/examples/tutorials/modelview/1_readonly/mymodel.cpp b/examples/tutorials/modelview/1_readonly/mymodel.cpp new file mode 100755 index 0000000..ff3e2d2 --- /dev/null +++ b/examples/tutorials/modelview/1_readonly/mymodel.cpp @@ -0,0 +1,30 @@ +#include "mymodel.h" + +MyModel::MyModel(QObject *parent) + :QAbstractTableModel(parent) +{ +} + +//------------------------------------------------------- +int MyModel::rowCount(const QModelIndex & /*parent*/ ) const +{ + return 2; +} + +//------------------------------------------------------- +int MyModel::columnCount(const QModelIndex & /*parent*/ ) const +{ + return 3; +} + +//------------------------------------------------------- +QVariant MyModel::data(const QModelIndex &index, int role ) const +{ + if(role == Qt::DisplayRole) + { + return QString("Row%1, Column%2") + .arg(index.row() + 1) + .arg(index.column() +1); + } + return QVariant(); +} diff --git a/examples/tutorials/modelview/1_readonly/mymodel.h b/examples/tutorials/modelview/1_readonly/mymodel.h new file mode 100755 index 0000000..01ae6cb --- /dev/null +++ b/examples/tutorials/modelview/1_readonly/mymodel.h @@ -0,0 +1,16 @@ +#ifndef MYMODEL_H +#define MYMODEL_H + +#include + +class MyModel : public QAbstractTableModel +{ + Q_OBJECT +public: + MyModel(QObject *parent); + int rowCount(const QModelIndex &parent = QModelIndex()) const ; + int columnCount(const QModelIndex &parent = QModelIndex()) const; + QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const; +}; + +#endif // MYMODEL_H diff --git a/examples/tutorials/modelview/2_formatting/2_formatting.pro b/examples/tutorials/modelview/2_formatting/2_formatting.pro new file mode 100755 index 0000000..7e70d81 --- /dev/null +++ b/examples/tutorials/modelview/2_formatting/2_formatting.pro @@ -0,0 +1,10 @@ +TARGET = mv_formatting + +TEMPLATE = app + +SOURCES += main.cpp \ + modelview.cpp \ + mymodel.cpp + +HEADERS += modelview.h \ + mymodel.h diff --git a/examples/tutorials/modelview/2_formatting/main.cpp b/examples/tutorials/modelview/2_formatting/main.cpp new file mode 100755 index 0000000..998503c --- /dev/null +++ b/examples/tutorials/modelview/2_formatting/main.cpp @@ -0,0 +1,10 @@ +#include +#include "modelview.h" + +int main(int argc, char *argv[]) +{ + QApplication a(argc, argv); + ModelView w; + w.show(); + return a.exec(); +} diff --git a/examples/tutorials/modelview/2_formatting/modelview.cpp b/examples/tutorials/modelview/2_formatting/modelview.cpp new file mode 100755 index 0000000..becd61d --- /dev/null +++ b/examples/tutorials/modelview/2_formatting/modelview.cpp @@ -0,0 +1,12 @@ +#include +#include "modelview.h" +#include "mymodel.h" + +ModelView::ModelView(QWidget *parent) + : QMainWindow(parent) +{ + tableView = new QTableView(this); + setCentralWidget(tableView); + tableView->setModel(new MyModel(this) ); +} + diff --git a/examples/tutorials/modelview/2_formatting/modelview.h b/examples/tutorials/modelview/2_formatting/modelview.h new file mode 100755 index 0000000..98bee38 --- /dev/null +++ b/examples/tutorials/modelview/2_formatting/modelview.h @@ -0,0 +1,17 @@ +#ifndef MODELVIEW_H +#define MODELVIEW_H + +#include + +class QTableView; //forward declaration + +class ModelView : public QMainWindow +{ + Q_OBJECT +private: + QTableView *tableView; +public: + ModelView(QWidget *parent = 0); +}; + +#endif // MODELVIEW_H diff --git a/examples/tutorials/modelview/2_formatting/mymodel.cpp b/examples/tutorials/modelview/2_formatting/mymodel.cpp new file mode 100755 index 0000000..48b1134 --- /dev/null +++ b/examples/tutorials/modelview/2_formatting/mymodel.cpp @@ -0,0 +1,73 @@ +#include +#include +#include "mymodel.h" +#include + +MyModel::MyModel(QObject *parent) + :QAbstractTableModel(parent) +{ +} + +//------------------------------------------------------- +int MyModel::rowCount(const QModelIndex & /*parent */ ) const +{ + return 2; +} + +//------------------------------------------------------- +int MyModel::columnCount(const QModelIndex & /*parent */ ) const +{ + return 3; +} + +//------------------------------------------------------- +QVariant MyModel::data(const QModelIndex &index, int role ) const +{ + int row = index.row(); + int col = index.column(); + // generate a log message when this method gets called + qDebug() << QString("row %1, col%2, role %3") + .arg(row).arg(col).arg(role); + + switch(role){ + case Qt::DisplayRole: + if(row == 0 && col == 1 )return QString("<--left"); + if(row == 1 && col == 1 )return QString("right-->"); + + return QString("Row%1, Column%2") + .arg(row + 1) + .arg(col +1); + break; + case Qt::FontRole: + if(row == 0 && col ==0 ) //change font only for cell(0,0) + { + QFont boldFont; + boldFont.setBold(true); + return boldFont; + } + break; + case Qt::BackgroundRole: + + if(row == 1 && col ==2 ) //change background only for cell(1,2) + { + QBrush redBackground(QColor(Qt::red)); + return redBackground; + } + break; + case Qt::TextAlignmentRole: + + if(row == 1 && col ==1 ) //change text alignment only for cell(1,1) + { + return Qt::AlignRight + Qt::AlignVCenter; + } + break; + case Qt::CheckStateRole: + + if(row == 1 && col ==0 ) //add a checkbox to cell(1,0) + { + return Qt::Checked; + } + } + return QVariant(); +} + diff --git a/examples/tutorials/modelview/2_formatting/mymodel.h b/examples/tutorials/modelview/2_formatting/mymodel.h new file mode 100755 index 0000000..01ae6cb --- /dev/null +++ b/examples/tutorials/modelview/2_formatting/mymodel.h @@ -0,0 +1,16 @@ +#ifndef MYMODEL_H +#define MYMODEL_H + +#include + +class MyModel : public QAbstractTableModel +{ + Q_OBJECT +public: + MyModel(QObject *parent); + int rowCount(const QModelIndex &parent = QModelIndex()) const ; + int columnCount(const QModelIndex &parent = QModelIndex()) const; + QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const; +}; + +#endif // MYMODEL_H diff --git a/examples/tutorials/modelview/3_changingmodel/3_changingmodel.pro b/examples/tutorials/modelview/3_changingmodel/3_changingmodel.pro new file mode 100755 index 0000000..d61ee4c --- /dev/null +++ b/examples/tutorials/modelview/3_changingmodel/3_changingmodel.pro @@ -0,0 +1,10 @@ +TARGET = mv_changingmodel + +TEMPLATE = app + +SOURCES += main.cpp \ + modelview.cpp \ + mymodel.cpp + +HEADERS += modelview.h \ + mymodel.h diff --git a/examples/tutorials/modelview/3_changingmodel/main.cpp b/examples/tutorials/modelview/3_changingmodel/main.cpp new file mode 100755 index 0000000..998503c --- /dev/null +++ b/examples/tutorials/modelview/3_changingmodel/main.cpp @@ -0,0 +1,10 @@ +#include +#include "modelview.h" + +int main(int argc, char *argv[]) +{ + QApplication a(argc, argv); + ModelView w; + w.show(); + return a.exec(); +} diff --git a/examples/tutorials/modelview/3_changingmodel/modelview.cpp b/examples/tutorials/modelview/3_changingmodel/modelview.cpp new file mode 100755 index 0000000..becd61d --- /dev/null +++ b/examples/tutorials/modelview/3_changingmodel/modelview.cpp @@ -0,0 +1,12 @@ +#include +#include "modelview.h" +#include "mymodel.h" + +ModelView::ModelView(QWidget *parent) + : QMainWindow(parent) +{ + tableView = new QTableView(this); + setCentralWidget(tableView); + tableView->setModel(new MyModel(this) ); +} + diff --git a/examples/tutorials/modelview/3_changingmodel/modelview.h b/examples/tutorials/modelview/3_changingmodel/modelview.h new file mode 100755 index 0000000..98bee38 --- /dev/null +++ b/examples/tutorials/modelview/3_changingmodel/modelview.h @@ -0,0 +1,17 @@ +#ifndef MODELVIEW_H +#define MODELVIEW_H + +#include + +class QTableView; //forward declaration + +class ModelView : public QMainWindow +{ + Q_OBJECT +private: + QTableView *tableView; +public: + ModelView(QWidget *parent = 0); +}; + +#endif // MODELVIEW_H diff --git a/examples/tutorials/modelview/3_changingmodel/mymodel.cpp b/examples/tutorials/modelview/3_changingmodel/mymodel.cpp new file mode 100755 index 0000000..d594175 --- /dev/null +++ b/examples/tutorials/modelview/3_changingmodel/mymodel.cpp @@ -0,0 +1,53 @@ +#include +#include +#include +#include "mymodel.h" + + +MyModel::MyModel(QObject *parent) + :QAbstractTableModel(parent) +{ +// selectedCell = 0; + timer = new QTimer(this); + timer->setInterval(1000); + connect(timer, SIGNAL(timeout()) , this, SLOT(timerHit()) ); + timer->start(); +} + +//------------------------------------------------------- +int MyModel::rowCount(const QModelIndex & /*parent */ ) const +{ + return 2; +} + +//------------------------------------------------------- +int MyModel::columnCount(const QModelIndex & /*parent */ ) const +{ + return 3; +} + +//------------------------------------------------------- +QVariant MyModel::data(const QModelIndex &index, int role ) const +{ + int row = index.row(); + int col = index.column(); + + if(role == Qt::DisplayRole) + { + if(row == 0 && col == 0 ) + { + return QTime::currentTime().toString(); + } + } + return QVariant(); +} + +//------------------------------------------------------- +void MyModel::timerHit() +{ + //we identify the top left cell + QModelIndex topLeft = createIndex ( 0,0 ); + //emit a signal to make the view reread identified data + emit dataChanged ( topLeft, topLeft ); +} + diff --git a/examples/tutorials/modelview/3_changingmodel/mymodel.h b/examples/tutorials/modelview/3_changingmodel/mymodel.h new file mode 100755 index 0000000..9cc023b --- /dev/null +++ b/examples/tutorials/modelview/3_changingmodel/mymodel.h @@ -0,0 +1,23 @@ +#ifndef MYMODEL_H +#define MYMODEL_H + +#include + +class QTimer; // forward declaration + +class MyModel : public QAbstractTableModel +{ + Q_OBJECT +public: + MyModel(QObject *parent); + int rowCount(const QModelIndex &parent = QModelIndex()) const ; + int columnCount(const QModelIndex &parent = QModelIndex()) const; + QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const; + QTimer *timer; +private: + int selectedCell; +private slots: + void timerHit(); +}; + +#endif // MYMODEL_H diff --git a/examples/tutorials/modelview/4_headers/4_headers.pro b/examples/tutorials/modelview/4_headers/4_headers.pro new file mode 100755 index 0000000..d6f8d23 --- /dev/null +++ b/examples/tutorials/modelview/4_headers/4_headers.pro @@ -0,0 +1,10 @@ +TARGET = mv_headers + +TEMPLATE = app + +SOURCES += main.cpp \ + modelview.cpp \ + mymodel.cpp + +HEADERS += modelview.h \ + mymodel.h diff --git a/examples/tutorials/modelview/4_headers/main.cpp b/examples/tutorials/modelview/4_headers/main.cpp new file mode 100755 index 0000000..998503c --- /dev/null +++ b/examples/tutorials/modelview/4_headers/main.cpp @@ -0,0 +1,10 @@ +#include +#include "modelview.h" + +int main(int argc, char *argv[]) +{ + QApplication a(argc, argv); + ModelView w; + w.show(); + return a.exec(); +} diff --git a/examples/tutorials/modelview/4_headers/modelview.cpp b/examples/tutorials/modelview/4_headers/modelview.cpp new file mode 100755 index 0000000..39394da --- /dev/null +++ b/examples/tutorials/modelview/4_headers/modelview.cpp @@ -0,0 +1,14 @@ +#include +#include +#include "modelview.h" +#include "mymodel.h" + +ModelView::ModelView(QWidget *parent) + : QMainWindow(parent) +{ + tableView = new QTableView(this); + setCentralWidget(tableView); + tableView->setModel(new MyModel(this) ); + tableView->verticalHeader()->hide(); +} + diff --git a/examples/tutorials/modelview/4_headers/modelview.h b/examples/tutorials/modelview/4_headers/modelview.h new file mode 100755 index 0000000..f1b63bd --- /dev/null +++ b/examples/tutorials/modelview/4_headers/modelview.h @@ -0,0 +1,18 @@ +#ifndef MODELVIEW_H +#define MODELVIEW_H + +#include + +class QTableView; //forward declaration + +class ModelView : public QMainWindow +{ + Q_OBJECT +private: + QTableView *tableView; +public: + ModelView(QWidget *parent = 0); + +}; + +#endif // MODELVIEW_H diff --git a/examples/tutorials/modelview/4_headers/mymodel.cpp b/examples/tutorials/modelview/4_headers/mymodel.cpp new file mode 100755 index 0000000..a032fe5 --- /dev/null +++ b/examples/tutorials/modelview/4_headers/mymodel.cpp @@ -0,0 +1,50 @@ +#include "mymodel.h" + +MyModel::MyModel(QObject *parent) + :QAbstractTableModel(parent) +{ +} + +//------------------------------------------------------- +int MyModel::rowCount(const QModelIndex & /*parent*/ ) const +{ + return 2; +} + +//------------------------------------------------------- +int MyModel::columnCount(const QModelIndex & /*parent*/ ) const +{ + return 3; +} + +//------------------------------------------------------- +QVariant MyModel::data(const QModelIndex &index, int role ) const +{ + if(role == Qt::DisplayRole) + { + return QString("Row%1, Column%2") + .arg(index.row() + 1) + .arg(index.column() +1); + } + return QVariant(); +} + + +QVariant MyModel::headerData(int section, Qt::Orientation orientation, int role) const +{ + if (role == Qt::DisplayRole) + { + if (orientation == Qt::Horizontal) { + switch (section) + { + case 0: + return QString("first"); + case 1: + return QString("second"); + case 2: + return QString("third"); + } + } + } + return QVariant(); +} diff --git a/examples/tutorials/modelview/4_headers/mymodel.h b/examples/tutorials/modelview/4_headers/mymodel.h new file mode 100755 index 0000000..327ca10 --- /dev/null +++ b/examples/tutorials/modelview/4_headers/mymodel.h @@ -0,0 +1,17 @@ +#ifndef MYMODEL_H +#define MYMODEL_H + +#include + +class MyModel : public QAbstractTableModel +{ + Q_OBJECT +public: + MyModel(QObject *parent); + int rowCount(const QModelIndex &parent = QModelIndex()) const ; + int columnCount(const QModelIndex &parent = QModelIndex()) const; + QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const; + QVariant headerData(int section, Qt::Orientation orientation, int role) const; +}; + +#endif // MYMODEL_H diff --git a/examples/tutorials/modelview/5_edit/5_edit.pro b/examples/tutorials/modelview/5_edit/5_edit.pro new file mode 100755 index 0000000..e18c596 --- /dev/null +++ b/examples/tutorials/modelview/5_edit/5_edit.pro @@ -0,0 +1,10 @@ +TARGET = mv_edit + +TEMPLATE = app + +SOURCES += main.cpp \ + modelview.cpp \ + mymodel.cpp + +HEADERS += modelview.h \ + mymodel.h diff --git a/examples/tutorials/modelview/5_edit/main.cpp b/examples/tutorials/modelview/5_edit/main.cpp new file mode 100755 index 0000000..998503c --- /dev/null +++ b/examples/tutorials/modelview/5_edit/main.cpp @@ -0,0 +1,10 @@ +#include +#include "modelview.h" + +int main(int argc, char *argv[]) +{ + QApplication a(argc, argv); + ModelView w; + w.show(); + return a.exec(); +} diff --git a/examples/tutorials/modelview/5_edit/modelview.cpp b/examples/tutorials/modelview/5_edit/modelview.cpp new file mode 100755 index 0000000..b6e8e34 --- /dev/null +++ b/examples/tutorials/modelview/5_edit/modelview.cpp @@ -0,0 +1,20 @@ +#include +#include "modelview.h" +#include "mymodel.h" + +ModelView::ModelView(QWidget *parent) + : QMainWindow(parent) +{ + tableView = new QTableView(this); + setCentralWidget(tableView); + QAbstractTableModel *myModel = new MyModel(this); + tableView->setModel( myModel ); + + //transfer changes to the model to the window title + connect(myModel, SIGNAL(editCompleted(const QString &) ), this, SLOT(setWindowTitle(const QString &))); +} + +void ModelView::showWindowTitle(const QString & title) +{ +setWindowTitle( title ); +} diff --git a/examples/tutorials/modelview/5_edit/modelview.h b/examples/tutorials/modelview/5_edit/modelview.h new file mode 100755 index 0000000..e1591f9 --- /dev/null +++ b/examples/tutorials/modelview/5_edit/modelview.h @@ -0,0 +1,19 @@ +#ifndef MODELVIEW_H +#define MODELVIEW_H + +#include + +class QTableView; //forward declaration + +class ModelView : public QMainWindow +{ + Q_OBJECT +private: + QTableView *tableView; +public: + ModelView(QWidget *parent = 0); +public slots: + void showWindowTitle(const QString & title); +}; + +#endif // MODELVIEW_H diff --git a/examples/tutorials/modelview/5_edit/mymodel.cpp b/examples/tutorials/modelview/5_edit/mymodel.cpp new file mode 100755 index 0000000..c64a6b7 --- /dev/null +++ b/examples/tutorials/modelview/5_edit/mymodel.cpp @@ -0,0 +1,58 @@ +#include "mymodel.h" + +const int COLS= 3; +const int ROWS= 2; + +MyModel::MyModel(QObject *parent) + :QAbstractTableModel(parent) +{ + //gridData needs to have 6 element, one for each table cell + m_gridData << "1/1" << "1/2" << "1/3" << "2/1" << "2/2" << "2/3" ; +} + +//------------------------------------------------------- +int MyModel::rowCount(const QModelIndex & /*parent*/ ) const +{ + return ROWS; +} + +//------------------------------------------------------- +int MyModel::columnCount(const QModelIndex & /*parent*/ ) const +{ + return COLS; +} + +//------------------------------------------------------- +QVariant MyModel::data(const QModelIndex &index, int role ) const +{ + if(role == Qt::DisplayRole) + { + return m_gridData[modelIndexToOffset(index)]; + } + return QVariant(); +} + +//----------------------------------------------------------------- +bool MyModel::setData ( const QModelIndex & index, const QVariant & value, int role ) +{ + if(role == Qt::EditRole) + { + m_gridData[modelIndexToOffset(index)] = value.toString(); + emit editCompleted(m_gridData.join(" | ") ); + } + return true; +} + +//----------------------------------------------------------------- +Qt::ItemFlags MyModel::flags ( const QModelIndex & /*index*/ ) const +{ + return Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled ; +} + +//----------------------------------------------------------------- +//convert row and column information to array offset +int MyModel::modelIndexToOffset(const QModelIndex & index) const +{ + return index.row()*COLS + index.column(); +} + diff --git a/examples/tutorials/modelview/5_edit/mymodel.h b/examples/tutorials/modelview/5_edit/mymodel.h new file mode 100755 index 0000000..f8fac77 --- /dev/null +++ b/examples/tutorials/modelview/5_edit/mymodel.h @@ -0,0 +1,24 @@ +#ifndef MYMODEL_H +#define MYMODEL_H + +#include +#include + +class MyModel : public QAbstractTableModel +{ + Q_OBJECT +public: + MyModel(QObject *parent); + int rowCount(const QModelIndex &parent = QModelIndex()) const ; + int columnCount(const QModelIndex &parent = QModelIndex()) const; + QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const; + bool setData ( const QModelIndex & index, const QVariant & value, int role = Qt::EditRole ); + Qt::ItemFlags flags ( const QModelIndex & index ) const ; +private: + QStringList m_gridData; //holds text entered into QTableView + int modelIndexToOffset(const QModelIndex & index) const; +signals: + void editCompleted(const QString &); +}; + +#endif // MYMODEL_H diff --git a/examples/tutorials/modelview/6_treeview/6_treeview.pro b/examples/tutorials/modelview/6_treeview/6_treeview.pro new file mode 100755 index 0000000..6d078be --- /dev/null +++ b/examples/tutorials/modelview/6_treeview/6_treeview.pro @@ -0,0 +1,5 @@ +TARGET = mv_tree +TEMPLATE = app +SOURCES += main.cpp \ + modelview.cpp +HEADERS += modelview.h diff --git a/examples/tutorials/modelview/6_treeview/main.cpp b/examples/tutorials/modelview/6_treeview/main.cpp new file mode 100755 index 0000000..998503c --- /dev/null +++ b/examples/tutorials/modelview/6_treeview/main.cpp @@ -0,0 +1,10 @@ +#include +#include "modelview.h" + +int main(int argc, char *argv[]) +{ + QApplication a(argc, argv); + ModelView w; + w.show(); + return a.exec(); +} diff --git a/examples/tutorials/modelview/6_treeview/modelview.cpp b/examples/tutorials/modelview/6_treeview/modelview.cpp new file mode 100755 index 0000000..a5488f7 --- /dev/null +++ b/examples/tutorials/modelview/6_treeview/modelview.cpp @@ -0,0 +1,40 @@ +#include +#include +#include +#include "modelview.h" + + +const int ROWS = 2; +const int COLUMNS = 3; + +ModelView::ModelView(QWidget *parent) + : QMainWindow(parent) +{ + treeView = new QTreeView(this); + setCentralWidget(treeView); + standardModel = new QStandardItemModel ; + + QList preparedColumn =prepareColumn("first", "second", "third"); + QStandardItem *item = standardModel->invisibleRootItem(); + // adding a row to the invisible root item produces a root element + item->appendRow(preparedColumn); + + QList secondRow =prepareColumn("111", "222", "333"); + // adding a row to an item starts a subtree + preparedColumn.first()->appendRow(secondRow); + + treeView->setModel( standardModel ); + treeView->expandAll(); +} + +//--------------------------------------------------------------------------- +QList ModelView::prepareColumn(const QString &first, + const QString &second, + const QString &third ) +{ + QList colItems; + colItems << new QStandardItem(first); + colItems << new QStandardItem(second); + colItems << new QStandardItem(third); + return colItems; +} diff --git a/examples/tutorials/modelview/6_treeview/modelview.h b/examples/tutorials/modelview/6_treeview/modelview.h new file mode 100755 index 0000000..1ab23ea --- /dev/null +++ b/examples/tutorials/modelview/6_treeview/modelview.h @@ -0,0 +1,24 @@ +#ifndef MODELVIEW_H +#define MODELVIEW_H + +#include + +class QTreeView; //forward declaration +class QStandardItemModel; +class QStandardItem; + + +class ModelView : public QMainWindow +{ + Q_OBJECT +private: + QTreeView *treeView; + QStandardItemModel *standardModel; + QList prepareColumn(const QString &first, + const QString &second, + const QString &third ); +public: + ModelView(QWidget *parent = 0); +}; + +#endif // MODELVIEW_H diff --git a/examples/tutorials/modelview/7_selections/7_selections.pro b/examples/tutorials/modelview/7_selections/7_selections.pro new file mode 100755 index 0000000..952641c6 --- /dev/null +++ b/examples/tutorials/modelview/7_selections/7_selections.pro @@ -0,0 +1,5 @@ +TARGET = mv_selections +TEMPLATE = app +SOURCES += main.cpp \ + modelview.cpp +HEADERS += modelview.h diff --git a/examples/tutorials/modelview/7_selections/main.cpp b/examples/tutorials/modelview/7_selections/main.cpp new file mode 100755 index 0000000..998503c --- /dev/null +++ b/examples/tutorials/modelview/7_selections/main.cpp @@ -0,0 +1,10 @@ +#include +#include "modelview.h" + +int main(int argc, char *argv[]) +{ + QApplication a(argc, argv); + ModelView w; + w.show(); + return a.exec(); +} diff --git a/examples/tutorials/modelview/7_selections/modelview.cpp b/examples/tutorials/modelview/7_selections/modelview.cpp new file mode 100755 index 0000000..49c5bb8 --- /dev/null +++ b/examples/tutorials/modelview/7_selections/modelview.cpp @@ -0,0 +1,63 @@ +#include +#include +#include +#include "modelview.h" + +ModelView::ModelView(QWidget *parent) + : QMainWindow(parent) +{ + treeView = new QTreeView(this); + setCentralWidget(treeView); + standardModel = new QStandardItemModel ; + QStandardItem *rootNode = standardModel->invisibleRootItem(); + + + //defining a couple of items + QStandardItem *americaItem = new QStandardItem("America"); + QStandardItem *mexicoItem = new QStandardItem("Canada"); + QStandardItem *usaItem = new QStandardItem("USA"); + QStandardItem *bostonItem = new QStandardItem("Boston"); + QStandardItem *europeItem = new QStandardItem("Europe"); + QStandardItem *italyItem = new QStandardItem("Italy"); + QStandardItem *romeItem = new QStandardItem("Rome"); + QStandardItem *veronaItem = new QStandardItem("Verona"); + + //building up the hierarchy + rootNode-> appendRow(americaItem); + rootNode-> appendRow(europeItem); + americaItem-> appendRow(mexicoItem); + americaItem-> appendRow(usaItem); + usaItem-> appendRow(bostonItem); + europeItem-> appendRow(italyItem); + italyItem-> appendRow(romeItem); + italyItem-> appendRow(veronaItem); + + //register the model + treeView->setModel( standardModel ); + treeView->expandAll(); + + //selection changes shall trigger a slot + QItemSelectionModel *selectionModel= treeView->selectionModel(); + connect(selectionModel, SIGNAL(selectionChanged ( const QItemSelection & , const QItemSelection & )), + this, SLOT(selectionChangedSlot(const QItemSelection & , const QItemSelection & ))); +} + +//------------------------------------------------------------------------------------ +void ModelView::selectionChangedSlot(const QItemSelection & /*newSelection*/, const QItemSelection & /*oldSelection*/) +{ + const QModelIndex index = treeView->selectionModel()->currentIndex(); + QString selectedText = index.data(Qt::DisplayRole).toString(); + int hierarchyLevel=1; + QModelIndex seekRoot = index; + while(seekRoot.parent() != QModelIndex() ) + { + seekRoot = seekRoot.parent(); + hierarchyLevel++; + } + QString showString = QString("%1, Level %2").arg(selectedText) + .arg(hierarchyLevel); + setWindowTitle(showString); +} + + + diff --git a/examples/tutorials/modelview/7_selections/modelview.h b/examples/tutorials/modelview/7_selections/modelview.h new file mode 100755 index 0000000..0e638a9 --- /dev/null +++ b/examples/tutorials/modelview/7_selections/modelview.h @@ -0,0 +1,23 @@ +#ifndef MODELVIEW_H +#define MODELVIEW_H + +#include + +class QTreeView; //forward declaration +class QStandardItemModel; +class QItemSelection; + + +class ModelView : public QMainWindow +{ + Q_OBJECT +private: + QTreeView *treeView; + QStandardItemModel *standardModel; +private slots: + void selectionChangedSlot(const QItemSelection & newSelection, const QItemSelection & oldSelection); +public: + ModelView(QWidget *parent = 0); +}; + +#endif // MODELVIEW_H diff --git a/examples/tutorials/modelview/qmake.pro b/examples/tutorials/modelview/qmake.pro new file mode 100755 index 0000000..7f684ba --- /dev/null +++ b/examples/tutorials/modelview/qmake.pro @@ -0,0 +1,10 @@ +TEMPLATE = subdirs + +SUBDIRS = 1_readonly \ + 2_formatting \ + 3_changingmodel \ + 4_headers \ + 5_edit \ + 6_treeview \ + 7_selections + -- cgit v0.12