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| <?php
$window = new GtkWindow();
$window->set_size_request(400, 230);
$window->connect_simple('destroy', array('Gtk','main_quit'));
$window->add($vbox = new GtkVBox());
// display title
$title = new GtkLabel("Set up radio buttons in GtkTreeView\n".
" Part 3 (process selections)");
$title->modify_font(new PangoFontDescription("Times New Roman Italic 10"));
$title->modify_fg(Gtk::STATE_NORMAL, GdkColor::parse("#0000ff"));
$title->set_size_request(-1, 40);
$vbox->pack_start($title, 0, 0);
$vbox->pack_start(new GtkLabel(), 0, 0);
$vbox->pack_start($hbox = new GtkHBox, 0, 0);
$button = new GtkButton('Process Rows');
$hbox->pack_start(new GtkLabel(
'Press the button to process all rows '), 0, 0);
$hbox->pack_start($button, 0, 0);
// the 2D table
$data = array(
array('row0', 'item 1', 2, 3.1),
array('row1', 'item 4', 5, 6.21),
array('row2', 'item 7', 8, 9.36),
array('row3', 'item 10', 11, 12.4),
array('row4', 'item 21', 14, 15.5),
array('row5', 'item 36', 17, 18.6),
array('row6', 'item 42', 20, 21.73));
$model = display_table($vbox, $data);
$button->connect('clicked', 'on_clicked', $model);
$window->show_all();
Gtk::main();
function display_table($vbox, $data) {
// Set up a scroll window
$scrolled_win = new GtkScrolledWindow();
$scrolled_win->set_policy( Gtk::POLICY_AUTOMATIC,
Gtk::POLICY_AUTOMATIC);
$vbox->pack_start($scrolled_win);
// Creates the list store
if (defined("GObject::TYPE_STRING")) {
$model = new GtkListStore(GObject::TYPE_STRING,
GObject::TYPE_STRING, GObject::TYPE_LONG, GObject::TYPE_DOUBLE,
GObject::TYPE_BOOLEAN, GObject::TYPE_BOOLEAN, GObject::TYPE_BOOLEAN);
} else {
$model = new GtkListStore(Gtk::TYPE_STRING,
Gtk::TYPE_STRING, Gtk::TYPE_LONG, Gtk::TYPE_DOUBLE,
Gtk::TYPE_BOOLEAN, Gtk::TYPE_BOOLEAN, Gtk::TYPE_BOOLEAN);
}
$field_header = array('Row #', 'Description', 'Qty', 'Price');
// Creates the view to display the list store
$view = new GtkTreeView($model);
$scrolled_win->add($view);
// Creates the selection column
// Creates the rest of the column
for ($col=0; $col<count($field_header); ++$col) {
$cell_renderer = new GtkCellRendererText();
$column = new GtkTreeViewColumn($field_header[$col],
$cell_renderer, 'text', $col);
$column->set_cell_data_func($cell_renderer, "format_col", $col);
if ($col==1) $column->set_expand(true);
$view->append_column($column);
}
setup_radio($view, 'A', 4);
setup_radio($view, 'B', 5);
setup_radio($view, 'C', 6);
// pupulates the data
for ($row=0; $row<count($data); ++$row) {
$values = array();
for ($col=0; $col<count($data[$row]); ++$col) {
$values[] = $data[$row][$col];
}
$values = array_merge($values, array(0, 0, 0));
$model->append($values);
}
$selection = $view->get_selection();
$selection->set_mode(Gtk::SELECTION_NONE);
return $model;
}
// setup radio buttons
function setup_radio($view, $label, $col_num) {
$column = new GtkTreeViewColumn();
$view->append_column($column);
$cell_renderer1 = new GtkCellRendererText();
$cell_renderer1->set_property('text', $label);
$column->pack_start($cell_renderer1, true);
$column->set_cell_data_func($cell_renderer1, "format_col", $col_num);
$cell_renderer2 = new GtkCellRendererToggle();
$cell_renderer2->set_property('activatable', true);
$cell_renderer2->set_radio(true);
$cell_renderer2->connect('toggled', 'on_toggle', $view, $col_num);
$column->pack_start($cell_renderer2, true);
$column->set_attributes($cell_renderer2, 'active', $col_num);
$column->set_cell_data_func($cell_renderer2, "format_col", $col_num);
}
// toggle the selection box
function on_toggle($renderer, $row, $view, $col_num) {
$model = $view->get_model();
$iter = $model->get_iter($row); // get the iter
for ($i=4; $i<=6; ++$i) {
if ($i==$col_num) {
$model->set($iter, $i, true);
} else {
$model->set($iter, $i, false);
}
}
}
// display alternate row color
function format_col($column, $cell, $model, $iter, $col_num) {
$path = $model->get_path($iter);
$row_num = $path[0];
if ($col_num==3) {
$amt = $model->get_value($iter, 3);
$cell->set_property('text', '$'.number_format($amt,2));
}
$row_color = ($row_num%2==1) ? '#dddddd' : '#ffffff';
$cell->set_property('cell-background', $row_color);
}
// process user selection
function on_clicked($button, $model) {
$num_rows = $model->iter_n_children(NULL);
for ($i=0; $i<$num_rows; ++$i) {
$iter = $model->get_iter($i);
$row_id = $model->get_value($iter, 0);
$row_desc = $model->get_value($iter, 1);
$qty = $model->get_value($iter, 2);
$price = $model->get_value($iter, 3);
$option_A = $model->get_value($iter, 4); // note 1
$option_B = $model->get_value($iter, 5); // note 1
$option_C = $model->get_value($iter, 6); // note 1
$option = '';
if ($option_A) $option = 'A'; // note 2
elseif ($option_B) $option = 'B'; // note 2
elseif ($option_C) $option = 'C'; // note 2
echo "You have selected: $row_id ($row_desc) \n".
"qty=$qty (price=$price) option=$option\n";
// your action here
}
}
?>
|
