| 1 | <?php |
| 2 | // PHP Layers Menu 3.1.1 (C) 2001-2003 Marco Pratesi (marco at telug dot it) |
| 3 | |
| 4 | /** |
| 5 | * This file contains the code of the TreeMenu class. |
| 6 | * @package PHPLayersMenu |
| 7 | */ |
| 8 | |
| 9 | /** |
| 10 | * This is the TreeMenu class of the PHP Layers Menu library. |
| 11 | * |
| 12 | * This class depends on the LayersMenuCommon class and on the PEAR conforming version of the PHPLib Template class, i.e. on HTML_Template_PHPLIB |
| 13 | * |
| 14 | * @version 3.1.1 |
| 15 | * @package PHPLayersMenu |
| 16 | */ |
| 17 | class TreeMenu extends LayersMenuCommon { |
| 18 | |
| 19 | /** |
| 20 | * Type of images used for the Tree Menu |
| 21 | * @access private |
| 22 | * @var string |
| 23 | */ |
| 24 | var $treeMenuImagesType; |
| 25 | /** |
| 26 | * An array where we store the Tree Menu code for each menu |
| 27 | * @access private |
| 28 | * @var array |
| 29 | */ |
| 30 | var $_treeMenu; |
| 31 | |
| 32 | /** |
| 33 | * The constructor method; it initializates the menu system |
| 34 | * @return void |
| 35 | */ |
| 36 | function TreeMenu() { |
| 37 | $this->LayersMenuCommon(); |
| 38 | |
| 39 | $this->treeMenuImagesType = "png"; |
| 40 | $this->_treeMenu = array(); |
| 41 | |
| 42 | $this->_nodesCount = 0; |
| 43 | $this->tree = array(); |
| 44 | $this->_maxLevel = array(); |
| 45 | $this->_firstLevelCnt = array(); |
| 46 | $this->_firstItem = array(); |
| 47 | $this->_lastItem = array(); |
| 48 | } |
| 49 | |
| 50 | /** |
| 51 | * The method to set the dirroot directory |
| 52 | * @access public |
| 53 | * @return boolean |
| 54 | */ |
| 55 | function setDirroot($dirroot) { |
| 56 | return $this->setDirrootCommon($dirroot); |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * The method to set the type of images used for the Tree Menu |
| 61 | * @access public |
| 62 | * @return void |
| 63 | */ |
| 64 | function setTreeMenuImagesType($treeMenuImagesType) { |
| 65 | $this->treeMenuImagesType = $treeMenuImagesType; |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * Method to prepare a new Tree Menu. |
| 70 | * |
| 71 | * This method processes items of a menu to prepare and return |
| 72 | * the corresponding Tree Menu code. |
| 73 | * |
| 74 | * @access public |
| 75 | * @param string $menu_name the name of the menu whose items have to be processed |
| 76 | * @return string |
| 77 | */ |
| 78 | function newTreeMenu( |
| 79 | $menu_name = "" // non consistent default... |
| 80 | ) { |
| 81 | if (!isset($this->_firstItem[$menu_name]) || !isset($this->_lastItem[$menu_name])) { |
| 82 | $this->error("newTreeMenu: the first/last item of the menu '$menu_name' is not defined; please check if you have parsed its menu data."); |
| 83 | return 0; |
| 84 | } |
| 85 | |
| 86 | $this->_treeMenu[$menu_name] = ""; |
| 87 | |
| 88 | $img_space = $this->imgwww . "tree_space." . $this->treeMenuImagesType; |
| 89 | $alt_space = " "; |
| 90 | $img_vertline = $this->imgwww . "tree_vertline." . $this->treeMenuImagesType; |
| 91 | $alt_vertline = "| "; |
| 92 | $img_expand = $this->imgwww . "tree_expand." . $this->treeMenuImagesType; |
| 93 | $alt_expand = "+-"; |
| 94 | $img_expand_first = $this->imgwww . "tree_expand_first." . $this->treeMenuImagesType; |
| 95 | $alt_expand_first = "+-"; |
| 96 | $img_expand_corner = $this->imgwww . "tree_expand_corner." . $this->treeMenuImagesType; |
| 97 | $alt_expand_corner = "+-"; |
| 98 | $img_collapse = $this->imgwww . "tree_collapse." . $this->treeMenuImagesType; |
| 99 | $alt_collapse = "--"; |
| 100 | $img_collapse_first = $this->imgwww . "tree_collapse_first." . $this->treeMenuImagesType; |
| 101 | $alt_collapse_first = "--"; |
| 102 | $img_collapse_corner = $this->imgwww . "tree_collapse_corner." . $this->treeMenuImagesType; |
| 103 | $alt_collapse_corner = "--"; |
| 104 | $img_split = $this->imgwww . "tree_split." . $this->treeMenuImagesType; |
| 105 | $alt_split = "|-"; |
| 106 | $img_split_first = $this->imgwww . "tree_split_first." . $this->treeMenuImagesType; |
| 107 | $alt_split_first = "|-"; |
| 108 | $img_corner = $this->imgwww . "tree_corner." . $this->treeMenuImagesType; |
| 109 | $alt_corner = "`-"; |
| 110 | $img_folder_closed = $this->imgwww . "tree_folder_closed." . $this->treeMenuImagesType; |
| 111 | $alt_folder_closed = "->"; |
| 112 | $img_folder_open = $this->imgwww . "tree_folder_open." . $this->treeMenuImagesType; |
| 113 | $alt_folder_open = "->"; |
| 114 | $img_leaf = $this->imgwww . "tree_leaf." . $this->treeMenuImagesType; |
| 115 | $alt_leaf = "->"; |
| 116 | |
| 117 | for ($i=0; $i<=$this->_maxLevel[$menu_name]; $i++) { |
| 118 | $levels[$i] = 0; |
| 119 | } |
| 120 | |
| 121 | // Find last nodes of subtrees |
| 122 | $last_level = $this->_maxLevel[$menu_name]; |
| 123 | for ($i=$this->_lastItem[$menu_name]; $i>=$this->_firstItem[$menu_name]; $i--) { |
| 124 | if ($this->tree[$i]["level"] < $last_level) { |
| 125 | for ($j=$this->tree[$i]["level"]+1; $j<=$this->_maxLevel[$menu_name]; $j++) { |
| 126 | $levels[$j] = 0; |
| 127 | } |
| 128 | } |
| 129 | if ($levels[$this->tree[$i]["level"]] == 0) { |
| 130 | $levels[$this->tree[$i]["level"]] = 1; |
| 131 | $this->tree[$i]["last_item"] = 1; |
| 132 | } else { |
| 133 | $this->tree[$i]["last_item"] = 0; |
| 134 | } |
| 135 | $last_level = $this->tree[$i]["level"]; |
| 136 | } |
| 137 | |
| 138 | $toggle = ""; |
| 139 | $toggle_function_name = "toggle" . $menu_name; |
| 140 | |
| 141 | for ($cnt=$this->_firstItem[$menu_name]; $cnt<=$this->_lastItem[$menu_name]; $cnt++) { |
| 142 | $this->_treeMenu[$menu_name] .= "<div id=\"jt" . $cnt . "\" class=\"treemenudiv\">\n"; |
| 143 | |
| 144 | // vertical lines from higher levels |
| 145 | for ($i=0; $i<$this->tree[$cnt]["level"]-1; $i++) { |
| 146 | if ($levels[$i] == 1) { |
| 147 | $img = $img_vertline; |
| 148 | $alt = $alt_vertline; |
| 149 | } else { |
| 150 | $img = $img_space; |
| 151 | $alt = $alt_space; |
| 152 | } |
| 153 | $this->_treeMenu[$menu_name] .= "<img class=\"imgs\" src=\"" . $img . "\" alt=\"" . $alt . "\" />"; |
| 154 | } |
| 155 | |
| 156 | $not_a_leaf = $cnt<$this->_lastItem[$menu_name] && $this->tree[$cnt+1]["level"]>$this->tree[$cnt]["level"]; |
| 157 | |
| 158 | if ($this->tree[$cnt]["last_item"] == 1) { |
| 159 | // corner at end of subtree or t-split |
| 160 | if ($not_a_leaf) { |
| 161 | $this->_treeMenu[$menu_name] .= "<a onmousedown=\"". $toggle_function_name . "('" . $cnt . "')\"><img class=\"imgs\" id=\"jt" . $cnt . "node\" src=\"" . $img_collapse_corner . "\" alt=\"" . $alt_collapse_corner . "\" /></a>"; |
| 162 | } else { |
| 163 | $this->_treeMenu[$menu_name] .= "<img class=\"imgs\" src=\"" . $img_corner . "\" alt=\"" . $alt_corner . "\" />"; |
| 164 | } |
| 165 | $levels[$this->tree[$cnt]["level"]-1] = 0; |
| 166 | } else { |
| 167 | if ($not_a_leaf) { |
| 168 | if ($cnt == $this->_firstItem[$menu_name]) { |
| 169 | $img = $img_collapse_first; |
| 170 | $alt = $alt_collapse_first; |
| 171 | } else { |
| 172 | $img = $img_collapse; |
| 173 | $alt = $alt_collapse; |
| 174 | } |
| 175 | $this->_treeMenu[$menu_name] .= "<a onmousedown=\"". $toggle_function_name . "('" . $cnt . "');\"><img class=\"imgs\" id=\"jt" . $cnt . "node\" src=\"" . $img . "\" alt=\"" . $alt . "\" /></a>"; |
| 176 | } else { |
| 177 | if ($cnt == $this->_firstItem[$menu_name]) { |
| 178 | $img = $img_split_first; |
| 179 | $alt = $alt_split_first; |
| 180 | } else { |
| 181 | $img = $img_split; |
| 182 | $alt = $alt_split; |
| 183 | } |
| 184 | $this->_treeMenu[$menu_name] .= "<a onmousedown=\"". $toggle_function_name . "('" . $cnt . "');\"><img class=\"imgs\" id=\"jt" . $cnt . "node\" src=\"" . $img . "\" alt=\"" . $alt . "\" /></a>"; |
| 185 | } |
| 186 | $levels[$this->tree[$cnt]["level"]-1] = 1; |
| 187 | } |
| 188 | |
| 189 | if ($this->tree[$cnt]["parsed_href"] == "" || $this->tree[$cnt]["parsed_href"] == "#") { |
| 190 | $a_href_open_img = ""; |
| 191 | $a_href_close_img = ""; |
| 192 | $a_href_open = "<a class=\"phplmnormal\">"; |
| 193 | $a_href_close = "</a>"; |
| 194 | } else { |
| 195 | $a_href_open_img = "<a href=\"" . $this->tree[$cnt]["parsed_href"] . "\"" . $this->tree[$cnt]["parsed_title"] . $this->tree[$cnt]["parsed_target"] . ">"; |
| 196 | $a_href_close_img = "</a>"; |
| 197 | $a_href_open = "<a href=\"" . $this->tree[$cnt]["parsed_href"] . "\"" . $this->tree[$cnt]["parsed_title"] . $this->tree[$cnt]["parsed_target"] . " class=\"phplm\">"; |
| 198 | $a_href_close = "</a>"; |
| 199 | } |
| 200 | |
| 201 | if ($not_a_leaf) { |
| 202 | $this->_treeMenu[$menu_name] .= $a_href_open_img . "<img class=\"imgs\" id=\"jt" . $cnt . "folder\" src=\"" . $img_folder_open . "\" alt=\"" . $alt_folder_open . "\" />" . $a_href_close_img; |
| 203 | } else { |
| 204 | if ($this->tree[$cnt]["parsed_icon"] != "") { |
| 205 | $this->_treeMenu[$menu_name] .= $a_href_open_img . "<img class=\"imgs\" src=\"" . $this->imgwww . $this->tree[$cnt]["parsed_icon"] . "\" width=\"" . $this->tree[$cnt]["iconwidth"] . "\" height=\"" . $this->tree[$cnt]["iconheight"] . "\" alt=\"" . $alt_leaf . "\" />" . $a_href_close_img; |
| 206 | } else { |
| 207 | $this->_treeMenu[$menu_name] .= $a_href_open_img . "<img class=\"imgs\" src=\"" . $img_leaf . "\" alt=\"" . $alt_leaf . "\" />" . $a_href_close_img; |
| 208 | } |
| 209 | } |
| 210 | $this->_treeMenu[$menu_name] .= " " . $a_href_open . $this->tree[$cnt]["text"] . $a_href_close . "\n"; |
| 211 | $this->_treeMenu[$menu_name] .= "</div>\n"; |
| 212 | |
| 213 | if ($cnt<$this->_lastItem[$menu_name] && $this->tree[$cnt]["level"]<$this->tree[$cnt+1]["level"]) { |
| 214 | $this->_treeMenu[$menu_name] .= "<div id=\"jt" . $cnt . "son\" class=\"treemenudiv\">\n"; |
| 215 | if ($this->tree[$cnt]["expanded"] != 1) { |
| 216 | $toggle .= "if (expand[" . $cnt . "] != 1) " . $toggle_function_name . "('" . $cnt . "');\n"; |
| 217 | } else { |
| 218 | $toggle .= "if (collapse[" . $cnt . "] == 1) " . $toggle_function_name . "('" . $cnt . "');\n"; |
| 219 | } |
| 220 | } |
| 221 | |
| 222 | if ($cnt>$this->_firstItem[$menu_name] && $this->tree[$cnt]["level"]>$this->tree[$cnt+1]["level"]) { |
| 223 | for ($i=max(1, $this->tree[$cnt+1]["level"]); $i<$this->tree[$cnt]["level"]; $i++) { |
| 224 | $this->_treeMenu[$menu_name] .= "</div>\n"; |
| 225 | } |
| 226 | } |
| 227 | } |
| 228 | |
| 229 | /* |
| 230 | $this->_treeMenu[$menu_name] = |
| 231 | "<div class=\"phplmnormal\">\n" . |
| 232 | $this->_treeMenu[$menu_name] . |
| 233 | "</div>\n"; |
| 234 | */ |
| 235 | // Some (old) browsers do not support the "white-space: nowrap;" CSS property... |
| 236 | $this->_treeMenu[$menu_name] = |
| 237 | "<table cellspacing=\"0\" cellpadding=\"0\" style=\"border: 0;\">\n" . |
| 238 | "<tr>\n" . |
| 239 | "<td class=\"phplmnormal\" style=\"white-space: nowrap;\">\n" . |
| 240 | $this->_treeMenu[$menu_name] . |
| 241 | "</td>\n" . |
| 242 | "</tr>\n" . |
| 243 | "</table>\n"; |
| 244 | |
| 245 | $t = new Template_PHPLIB(); |
| 246 | $t->setFile("tplfile", $this->libjsdir . "layerstreemenu.ijs"); |
| 247 | $t->setVar(array( |
| 248 | "toggle_function_name" => $toggle_function_name, |
| 249 | "img_expand" => $img_expand, |
| 250 | "img_expand_first" => $img_expand_first, |
| 251 | "img_collapse" => $img_collapse, |
| 252 | "img_collapse_first" => $img_collapse_first, |
| 253 | "img_collapse_corner" => $img_collapse_corner, |
| 254 | "img_folder_open" => $img_folder_open, |
| 255 | "img_expand_corner" => $img_expand_corner, |
| 256 | "img_folder_closed" => $img_folder_closed |
| 257 | )); |
| 258 | $toggle_function = $t->parse("out", "tplfile"); |
| 259 | $toggle_function = |
| 260 | "<script type=\"text/javascript\">\n" . |
| 261 | "<!--\n" . |
| 262 | $toggle_function . |
| 263 | "// -->\n" . |
| 264 | "</script>\n"; |
| 265 | |
| 266 | $toggle = |
| 267 | "<script type=\"text/javascript\">\n" . |
| 268 | "<!--\n" . |
| 269 | "if ((DOM && !Opera56 && !Konqueror22) || IE4) {\n" . |
| 270 | $toggle . |
| 271 | "}\n" . |
| 272 | "if (NS4) alert('Only the accessibility is provided to Netscape 4 on the JavaScript Tree Menu.\\nWe *strongly* suggest you to upgrade your browser.');\n" . |
| 273 | "// -->\n" . |
| 274 | "</script>\n"; |
| 275 | |
| 276 | $this->_treeMenu[$menu_name] = $toggle_function . "\n" . $this->_treeMenu[$menu_name] . "\n" . $toggle; |
| 277 | |
| 278 | return $this->_treeMenu[$menu_name]; |
| 279 | } |
| 280 | |
| 281 | /** |
| 282 | * Method that returns the code of the requested Tree Menu |
| 283 | * @access public |
| 284 | * @param string $menu_name the name of the menu whose Tree Menu code |
| 285 | * has to be returned |
| 286 | * @return string |
| 287 | */ |
| 288 | function getTreeMenu($menu_name) { |
| 289 | return $this->_treeMenu[$menu_name]; |
| 290 | } |
| 291 | |
| 292 | /** |
| 293 | * Method that prints the code of the requested Tree Menu |
| 294 | * @access public |
| 295 | * @param string $menu_name the name of the menu whose Tree Menu code |
| 296 | * has to be printed |
| 297 | * @return void |
| 298 | */ |
| 299 | function printTreeMenu($menu_name) { |
| 300 | print $this->_treeMenu[$menu_name]; |
| 301 | } |
| 302 | |
| 303 | } /* END OF CLASS */ |
| 304 | |
| 305 | ?> |