1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
| <?php
$window = new GtkWindow();
$window->set_size_request(400, 200);
$window->connect_simple('destroy', array('Gtk','main_quit'));
$window->add($vbox = new GtkVBox());
// display title
$title = new GtkLabel("Edit Items in GtkTreeView\n".
"double-click on row to edit values");
$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);
$title->set_justify(Gtk::JUSTIFY_CENTER);
$alignment = new GtkAlignment(0.5, 0, 0, 0);
$alignment->add($title);
$vbox->pack_start($alignment, 0, 0);
$vbox->pack_start(new GtkLabel(), 0, 0);
// the 2D table
$data = array(
array('id0', 'item 42', 2, 3.1),
array('id1', 'item 36', 20, 6.21),
array('id2', 'item 21', 8, 9.36),
array('id3', 'item 10', 11, 12.4),
array('id4', 'item 7', 5, 15.5),
array('id5', 'item 4', 17, 18.6),
array('id6', 'item 3', 20, 21.73));
display_table ($vbox, $data);
$window->show_all();
Gtk::main();
function display_table($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);
} else {
$model = new GtkListStore(Gtk::TYPE_STRING, Gtk::TYPE_STRING,
Gtk::TYPE_LONG, Gtk::TYPE_DOUBLE);
}
$field_header = array('Item Number', 'Description', 'Qty', 'Price');
$field_justification = array(0.5, 0.0, 0.5, 1.0);
// Creates the view to display the list store
$view = new GtkTreeView($model);
$scrolled_win->add($view);
// Creates the columns
for ($col=0; $col<count($field_header); ++$col) {
$cell_renderer = new GtkCellRendererText();
$cell_renderer->set_property("xalign", $field_justification[$col]);
$column = new GtkTreeViewColumn($field_header[$col],
$cell_renderer, 'text', $col);
$column->set_alignment($field_justification[$col]);
$column->set_sort_column_id($col);
// set the header font and color
$label = new GtkLabel($field_header[$col]);
$label->modify_font(new PangoFontDescription("Arial Bold"));
$label->modify_fg(Gtk::STATE_NORMAL, GdkColor::parse("#0000FF"));
$column->set_widget($label);
$label->show();
// setup self-defined function to display alternate row color
$column->set_cell_data_func($cell_renderer, "format_col", $col);
$view->append_column($column);
}
// pupulates the data
for ($row=0; $row<count($data); ++$row) {
$values = array();
for ($col=0; $col<count($data[$row]); ++$col) {
$values[] = $data[$row][$col];
}
$model->append($values);
}
$selection = $view->get_selection();
$selection->connect('changed', 'on_selection');
$view->connect('button-press-event', 'on_view_button_press', $view); // note 1
}
function format_col($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', $row_color);
}
function on_selection($selection) {
list($model, $iter) = $selection->get_selected();
$desc = $model->get_value($iter, 1);
$qty = $model->get_value($iter, 2);
$price = $model->get_value($iter, 3);
print "You have selected $desc: $qty ($price)\n";
}
function on_view_button_press($widget, $event, $view) {
if ($event->type==Gdk::_2BUTTON_PRESS) { // note 2
$selection = $view->get_selection();
list($model, $iter) = $selection->get_selected();
$itemnum = $model->get_value($iter, 0); // note 3
$desc = $model->get_value($iter, 1);
$qty = $model->get_value($iter, 2);
$price = $model->get_value($iter, 3);
$new_value = prompt(array( // note 4
'Item Number'=>$itemnum,
'Description' => $desc,
'Quantity' => $qty,
'Price' => $price));
if (count($new_value)==0) return; // note 5
for ($i=0; $i<count($new_value); ++$i) {
$model->set($iter, $i, $new_value[$i]); // note 6
}
}
}
function prompt($fields) {
$prompt = new Prompt($fields);
$new_value = array();
if (!$prompt->ok) return;
|
