Problem
This is in response to Jake Cobb's post related to using GtkTreeStore with GtkTreeModelFilter and GtkTreeModelSort.
Solution
- We make use of the techniques from How to selectively display nodes in GtkTreeStore with GtkTreeModelFilter? and How to sort a tree structure using GtkTreeStore with GtkTreeModelSort?
- We first create the GtkTreeModelFilter from the base model, GtkTreeStore.
- Then we create the GtkTreeModelSort on top of each GtkTreeModelFilter.
Sample Code
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 33 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 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 149 150 151 152 153 154 155 157 158 160 161 162 164 165 166 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 245 246 247 248 249 | <?php $window = new GtkWindow(); $window->set_title($argv[0]); $window->set_size_request(400, 306); $window->connect_simple('destroy', array('Gtk','main_quit')); $window->add($vbox = new GtkVBox()); $accel_group = new GtkAccelGroup(); $window->add_accel_group($accel_group); // define menu definition $menu_definition = array( '_File' => array('_Quit|Q'), '_Filter' => array('Show All Rows|1', 'Show widgets containing the word button|2', 'Show widgets containing the word box|3'), '_Sort' => array('No Sort|A', 'Sort by widget ascending|B', 'Sort by widget descending|C', 'Sort by quantity ascending|D', 'Sort by quantity descending|E') ); setup_menu($vbox, $menu_definition); // display title $title = new GtkLabel(" GtkTreeStore with \n". "GtkTreeModelFilter on top of GtkTreeModelSort"); $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); $data = array( array ('id' => 'GtkButton', 'parent' => '0'), array ('id' => 'GtkColorButton', 'parent' => 'GtkButton'), array ('id' => 'GtkToggleButton', 'parent' => 'GtkButton'), array ('id' => 'GtkFontButton', 'parent' => 'GtkButton'), array ('id' => 'GtkBox', 'parent' => '0'), array ('id' => 'GtkButtonBox', 'parent' => 'GtkBox'), array ('id' => 'GtkVButtonBox', 'parent' => 'GtkButtonBox'), array ('id' => 'GtkHButtonBox', 'parent' => 'GtkButtonBox'), array ('id' => 'GtkVBox', 'parent' => 'GtkBox'), array ('id' => 'GtkFontSelection', 'parent' => 'GtkVBox'), array ('id' => 'GtkColorSelection', 'parent' => 'GtkVBox'), array ('id' => 'GtkHBox', 'parent' => 'GtkBox'), array ('id' => 'test1', 'parent' => '0'), array ('id' => 'button_test1', 'parent' => 'test1'), array ('id' => 'box_test1', 'parent' => 'test1'), array ('id' => 'button_test_root', 'parent' => '0'), array ('id' => 'button_test2', 'parent' => 'button_test_root'), array ('id' => 'box_test2', 'parent' => 'button_test_root'), ); display_table($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 global $model, $modelfilter1, $modelfilter2, $view; if (defined("GObject::TYPE_STRING")) { $model = new GtkTreeStore(GObject::TYPE_STRING, GObject::TYPE_LONG, GObject::TYPE_BOOLEAN, GObject::TYPE_BOOLEAN); // note 1 } else { $model = new GtkTreeStore(Gtk::TYPE_STRING, Gtk::TYPE_LONG, Gtk::TYPE_BOOLEAN, Gtk::TYPE_BOOLEAN); // note 1 } $field_header = array('Widget', 'Qty'); // setup GtkTreeModelFilter1 $modelfilter1 = new GtkTreeModelFilter($model); // note 2 $modelfilter1->set_visible_column(2); // setup GtkTreeModelFilter2 $modelfilter2 = new GtkTreeModelFilter($model); // note 2 $modelfilter2->set_visible_column(3); // setup GtkTreeModelSort global $modelsort, $current_filter, $current_sort; $current_filter = 0; $current_sort = 0; $modelsort[0][0] = $model; $modelsort[0][1] = new GtkTreeModelSort($model); // note 3 $modelsort[0][1]->set_sort_column_id(0, Gtk::SORT_ASCENDING); $modelsort[0][2] = new GtkTreeModelSort($model); // note 3 $modelsort[0][2]->set_sort_column_id(0, Gtk::SORT_DESCENDING); $modelsort[0][3] = new GtkTreeModelSort($model); // note 3 $modelsort[0][3]->set_sort_column_id(1, Gtk::SORT_ASCENDING); $modelsort[0][4] = new GtkTreeModelSort($model); // note 3 $modelsort[0][4]->set_sort_column_id(1, Gtk::SORT_DESCENDING); $modelsort[1][0] = $modelfilter1; $modelsort[1][1] = new GtkTreeModelSort($modelfilter1); $modelsort[1][1]->set_sort_column_id(0, Gtk::SORT_ASCENDING); $modelsort[1][2] = new GtkTreeModelSort($modelfilter1); $modelsort[1][2]->set_sort_column_id(0, Gtk::SORT_DESCENDING); $modelsort[1][3] = new GtkTreeModelSort($modelfilter1); $modelsort[1][3]->set_sort_column_id(1, Gtk::SORT_ASCENDING); $modelsort[1][4] = new GtkTreeModelSort($modelfilter1); $modelsort[1][4]->set_sort_column_id(1, Gtk::SORT_DESCENDING); $modelsort[2][0] = $modelfilter2; $modelsort[2][1] = new GtkTreeModelSort($modelfilter2); $modelsort[2][1]->set_sort_column_id(0, Gtk::SORT_ASCENDING); $modelsort[2][2] = new GtkTreeModelSort($modelfilter2); $modelsort[2][2]->set_sort_column_id(0, Gtk::SORT_DESCENDING); $modelsort[2][3] = new GtkTreeModelSort($modelfilter2); $modelsort[2][3]->set_sort_column_id(1, Gtk::SORT_ASCENDING); $modelsort[2][4] = new GtkTreeModelSort($modelfilter2); $modelsort[2][4]->set_sort_column_id(1, Gtk::SORT_DESCENDING); // 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(); $column = new GtkTreeViewColumn($field_header[$col], $cell_renderer, 'text', $col); $view->append_column($column); } // pupulates the data $nodes = array(); $nodes[0] = null; // root foreach($data as $item) { $id = $item['id']; $parent = $item['parent']; $qty = rand(0, 100); // sets the flag for filter 1 $filter1_flag = (preg_match('/button/i', $id)) ? 1 : 0; // sets the flag for filter 2 $filter2_flag = (preg_match('/box/i', $id)) ? 1 : 0; $nodes[$id] = $model->append($nodes[$parent], array($id, $qty, $filter1_flag, $filter2_flag)); } $view->expand_all(); if (method_exists($view, 'set_enable_tree_lines')) $view->set_enable_tree_lines(1); // setup GtkTreeModelSort } // setup menu function setup_menu($vbox, $menus) { global $accel_group; $menubar = new GtkMenuBar(); $vbox->pack_start($menubar, 0, 0); foreach($menus as $toplevel => $sublevels) { $menubar->append($top_menu = new GtkMenuItem($toplevel)); $menu = new GtkMenu(); $top_menu->set_submenu($menu); foreach($sublevels as $submenu) { if (strpos("$submenu", '|') === false) { $accel_key = ''; } else { list($submenu, $accel_key) = explode('|', $submenu); } if (is_array($submenu)) { // set up radio menus $i=0; $radio[0] = null; foreach($submenu as $radio_item) { $radio[$i] = new GtkRadioMenuItem($radio[0], $radio_item); $radio[$i]->connect('toggled', "on_toggle"); $menu->append($radio[$i]); ++$i; } $radio[0]->set_active(1); // select the first item } else { if ($submenu=='<hr>') { $menu->append(new GtkSeparatorMenuItem()); } else { $submenu2 = str_replace('_', '', $submenu); $submenu2 = str_replace(' ', '_', $submenu2); $stock_image_name = 'Gtk::STOCK_'.strtoupper($submenu2); if (defined($stock_image_name)) { $menu_item = new GtkImageMenuItem( constant($stock_image_name)); } else { $menu_item = new GtkMenuItem($submenu); } if ($accel_key!='') { $menu_item->add_accelerator("activate", $accel_group, ord($accel_key), Gdk::CONTROL_MASK, 1); } $menu->append($menu_item); $menu_item->connect('activate', 'on_menu_select'); } } } } } // process menu item selection function on_menu_select($menu_item) { global $modelsort, $current_filter, $current_sort, $view; $item = $menu_item->child->get_label(); echo "menu selected: $item\n"; switch($item) { case '_Quit': Gtk::main_quit(); break; case 'Show All Rows': $current_filter = 0; break; case 'Show widgets containing the word button': $current_filter = 1; break; case 'Show widgets containing the word box': $current_filter = 2; break; case 'No Sort': $current_sort = 0; break; case 'Sort by widget ascending': $current_sort = 1; break; case 'Sort by widget descending': $current_sort = 2; break; case 'Sort by quantity ascending': $current_sort = 3; break; case 'Sort by quantity descending': $current_sort = 4; break; } $view->set_model($modelsort[$current_filter][$current_sort]); // note 4 $view->expand_all(); } ?> |
Output
As shown above.Explanation
The above example make use of the code from the following:
- How to selectively display nodes in GtkTreeStore with GtkTreeModelFilter?
- How to sort a tree structure using GtkTreeStore with GtkTreeModelSort?
What's new here:
- This is the base model.
- Create the GtkTreeModelFilter from the base model.
- Create the GtkTreeModelSort on top of each GtkTreeModelFilter.
- Switch to respective model accordingly.
Related Links
- How to selectively display nodes in GtkTreeStore with GtkTreeModelFilter?
- How to sort a tree structure using GtkTreeStore with GtkTreeModelSort?
- How to display a tree structure using GtkTreeStore with GtkTreeModelFilter on top of GtkTreeModelSort?
- How to display a tree structure from array?
- How to selectively display rows in GtkTreeView with GtkTreeModelFilter - Part 2?
- How to sort treeview using GtkTreeModelSort?
Read more...