levels = array(); $this->DebuggableObject(); } function addLevel($level_n, $label, $form_field_id, $get_values_callback, $cur_value = "") { if (! preg_match("/[A-Za-z_]+[A-Za-z0-9_]*/", $form_field_id)) $this->error("Invalid form field id \"$form_field_id\""); if (! function_exists($get_values_callback)) $this->error("Unknown function \"$get_values_callback\""); $this->levels[$level_n] = array( "n" => $level_n, "label" => $label, "field_id" => $form_field_id, "callback" => $get_values_callback, "value" => $cur_value); sajax_export($get_values_callback); } function setTarget($type, $data_a = false, $data_b = false) { if ($type == "var") $type = "variable"; if ($type == "variable") { $this->target_type = $type; $this->target_var = $data_a; } else { $this->error("setTarget(): \"$type\" is an unknown type"); } } function setValue($n_or_id, $value) { if (is_numeric($n_or_id)) { $this->levels[$n_or_id]["value"] = $value; return true; } else { reset($this->levels); foreach ($this->levels as $lvl) if ($lvl["field_id"] == $n_or_id) { $this->levels[$lvl->n]["value"] = $value; return true; } } } // Assign current values for each of the levels, based on the contents of $array. function setValues($array) { foreach ($this->levels as $lvl) { $n = $lvl["n"]; $id = $lvl["field_id"]; if (! empty($array[$id])) $this->levels[$n]["value"] = $array[$id]; } } } // // Basic select-oriented hierarchy // class SelectHierarchy extends Hierarchy { function SelectHierarchy() { $this->Hierarchy(); } function renderHeader() { $html = ""; return $html; } function renderLevel($n) { $this->debug("renderLevel($n).."); reset($this->levels); $n_plus_1 = $n + 1; $lvl = $this->levels[$n]; $v_h = htmlspecialchars($lvl["value"]); $id = $lvl["field_id"]; $html = ""; $other_values_str = ""; for ($i = $n - 1; $i >= 0; $i--) { $other_values_str .= "Select.get(\"" . $this->levels[$i]["field_id"]."\"), "; } // if we arent the final select.. if ($n < count($this->levels)-1) $next_action_str = "h_populate_" . $this->levels[$n_plus_1]["field_id"] . "();"; else $next_action_str = "h_finalize();"; $html .= " "; return $html; } function renderFooter() { if (empty($this->target_type)) $this->error("renderFooter(): no target type configured"); if ($this->target_type != "variable") $this->error("renderFooter(): only target_type var ed"); reset($this->levels); $concatter = array(); for ($i = 0; $i < count($this->levels); $i++) { $concatter[] = "Select.get(\"" . $this->levels[$i]["field_id"]."\")"; } $concat = ("+'%%%'+", $concatter); $first_id = $this->levels[0]["field_id"]; return " "; } function render() { $n = 0; $html = $this->renderHeader(); reset($this->levels); foreach ($this->levels as $lvl) { $html .= $this->renderLevel($n); $n++; } $html .= $this->renderFooter(); return $html; } function handleRequest() { $this->debug("handleRequest().."); sajax_handle_client_request(); return true; } } // // TreeHierarchy // class TreeHierarchy extends Hierarchy { function HtmlTreeHierarchy() { $this->Hierarchy(); } function renderHeader() { $html = "
"; return $html; } function renderLevel($n) { $this->debug("renderLevel($n).."); reset($this->levels); $n_plus_1 = $n + 1; $lvl = $this->levels[$n]; $v_h = htmlspecialchars($lvl["value"]); $id = $lvl["field_id"]; $callback = $lvl["callback"]; $is_first = $n == 0 ? 1 : 0; $is_last = $n == count($this->levels)-1 ? 1 : 0; if (! $is_first) { $prev_id = $this->levels[$n-1]["field_id"]; $prev_level = $n - 1; } else { $prev_id = ""; $prev_level = 0; } if (! $is_last) { $next_id = $this->levels[$n+1]["field_id"]; $next_level = $n+1; } else { $next_id = ""; $next_level = 0; } $html = ""; if ($is_first) $html .= ""; return $html; } function renderFooter() { $first_id = $this->levels[0]["field_id"]; $html = "
"; return $html; } function render() { global $sajax_debug_mode; $n = 0; // $sajax_debug_mode = true; $html = $this->renderHeader(); reset($this->levels); foreach ($this->levels as $lvl) { $html .= $this->renderLevel($n); $n++; } $html .= $this->renderFooter(); return $html; } function handleRequest() { sajax_handle_client_request(); return true; } } ?>