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|
<?php
/*
+-------------------------------------------------------------------------+
| Copyright (C) 2004 Ian Berry |
| |
| This program is free software; you can redistribute it and/or |
| modify it under the terms of the GNU General Public License |
| as published by the Free Software Foundation; either version 2 |
| of the License, or (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
+-------------------------------------------------------------------------+
| cacti: a php-based graphing solution |
+-------------------------------------------------------------------------+
| Most of this code has been designed, written and is maintained by |
| Ian Berry. See about.php for specific developer credit. Any questions |
| or comments regarding this code should be directed to: |
| - iberry@raxnet.net |
+-------------------------------------------------------------------------+
| - raXnet - http://www.raxnet.net/ |
+-------------------------------------------------------------------------+
*/
/* inject_form_variables - replaces all variables contained in $form_array with
their actual values
@arg $form_array - an array that contains all of the information needed to draw
the html form. see the arrays contained in include/config_settings.php
for the extact syntax of this array
@arg $arg1 - an array that represents the |arg1:| variable (see
include/config_form.php for more details)
@arg $arg2 - an array that represents the |arg2:| variable (see
include/config_form.php for more details)
@arg $arg3 - an array that represents the |arg3:| variable (see
include/config_form.php for more details)
@arg $arg4 - an array that represents the |arg4:| variable (see
include/config_form.php for more details)
@returns - $form_array with all available variables substituted with their
proper values */
function inject_form_variables(&$form_array, $arg1 = array(), $arg2 = array(), $arg3 = array(), $arg4 = array()) {
$check_fields = array("value", "array", "friendly_name", "description", "sql", "sql_print", "form_id", "items");
/* loop through each available field */
while (list($field_name, $field_array) = each($form_array)) {
/* loop through each sub-field that we are going to check for variables */
foreach ($check_fields as $field_to_check) {
if (isset($field_array[$field_to_check]) && (is_array($form_array[$field_name][$field_to_check]))) {
/* if the field/sub-field combination is an array, resolve it recursively */
$form_array[$field_name][$field_to_check] = inject_form_variables($form_array[$field_name][$field_to_check], $arg1);
}elseif (isset($field_array[$field_to_check]) && (!is_array($field_array[$field_to_check])) && (ereg("\|(arg[123]):([a-zA-Z0-9_]*)\|", $field_array[$field_to_check], $matches))) {
/* an empty field name in the variable means don't treat this as an array */
if ($matches[2] == "") {
if (is_array(${$matches[1]})) {
/* the existing value is already an array, leave it alone */
$form_array[$field_name][$field_to_check] = ${$matches[1]};
}else{
/* the existing value is probably a single variable */
$form_array[$field_name][$field_to_check] = str_replace($matches[0], ${$matches[1]}, $field_array[$field_to_check]);
}
}else{
/* copy the value down from the array/key specified in the variable */
$form_array[$field_name][$field_to_check] = str_replace($matches[0], ((isset(${$matches[1]}{$matches[2]})) ? ${$matches[1]}{$matches[2]} : ""), $field_array[$field_to_check]);
}
}
}
}
return $form_array;
}
/* form_alternate_row_color - starts an HTML row with an alternating color scheme
@arg $row_color1 - the first color to use
@arg $row_color2 - the second color to use
@arg $row_value - the value of the row which will be used to evaluate which color
to display for this particular row. must be an integer
@returns - the background color used for this particular row */
function form_alternate_row_color($row_color1, $row_color2, $row_value) {
if (($row_value % 2) == 1) {
$current_color = $row_color1;
}else{
$current_color = $row_color2;
}
print "<tr bgcolor='#$current_color'>\n";
return $current_color;
}
/* html_boolean - returns the boolean equivalent of an HTML checkbox value
@arg $html_boolean - the value of the HTML checkbox
@returns - true or false based on the value of the HTML checkbox */
function html_boolean($html_boolean) {
if ($html_boolean == "on") {
return true;
}else{
return false;
}
}
/* html_boolean_friendly - returns the natural language equivalent of an HTML
checkbox value
@arg $html_boolean - the value of the HTML checkbox
@returns - 'Selected' or 'Not Selected' based on the value of the HTML
checkbox */
function html_boolean_friendly($html_boolean) {
if ($html_boolean == "on") {
return "Selected";
}else{
return "Not Selected";
}
}
/* get_checkbox_style - finds the proper CSS padding to apply based on the
current client browser in use
@returns - a CSS style string which should be used with an HTML checkbox
control */
function get_checkbox_style() {
if (get_web_browser() == "moz") {
return "padding: 4px; margin: 4px;";
}elseif (get_web_browser() == "ie") {
return "padding: 0px; margin: 0px;";
}elseif (get_web_browser() == "other") {
return "padding: 4px; margin: 4px;";
}
}
/* load_current_session_value - finds the correct value of a variable that is being
cached as a session variable on an HTML form
@arg $request_var_name - the array index name for the request variable
@arg $session_var_name - the array index name for the session variable
@arg $default_value - the default value to use if values cannot be obtained using
the session or request array */
function load_current_session_value($request_var_name, $session_var_name, $default_value) {
if (isset($_REQUEST[$request_var_name])) {
$_SESSION[$session_var_name] = $_REQUEST[$request_var_name];
}elseif (isset($_SESSION[$session_var_name])) {
$_REQUEST[$request_var_name] = $_SESSION[$session_var_name];
}else{
$_REQUEST[$request_var_name] = $default_value;
}
}
/* get_colored_device_status - given a device's status, return the colored text in HTML
format suitable for display
@arg $disabled (bool) - true if the device is disabled, false is it is not
@arg $status - the status type of the device as defined in config_constants.php
@returns - a string containing html that represents the device's current status */
function get_colored_device_status($disabled, $status) {
$disabled_color = "a1a1a1";
$status_colors = array(
HOST_DOWN => "ff0000",
HOST_RECOVERING => "ff8f1e",
HOST_UP => "198e32"
);
if ($disabled) {
return "<span style='color: #$disabled_color'>Disabled</a>";
}else{
switch ($status) {
case HOST_DOWN:
return "<span style='color: #" . $status_colors[HOST_DOWN] . "'>Down</a>"; break;
case HOST_RECOVERING:
return "<span style='color: #" . $status_colors[HOST_RECOVERING] . "'>Recovering</a>"; break;
case HOST_UP:
return "<span style='color: #" . $status_colors[HOST_UP] . "'>Up</a>"; break;
default:
return "<span style='color: #0000ff'>Unknown</a>"; break;
}
}
}
/* get_current_graph_start - determine the correct graph start time selected using
the timespan selector
@returns - the number of seconds relative to now where the graph should begin */
function get_current_graph_start() {
if (isset($_SESSION["sess_current_timespan_begin_now"])) {
return $_SESSION["sess_current_timespan_begin_now"];
}else{
return "-" . DEFAULT_TIMESPAN;
}
}
/* get_current_graph_end - determine the correct graph end time selected using
the timespan selector
@returns - the number of seconds relative to now where the graph should end */
function get_current_graph_end() {
if (isset($_SESSION["sess_current_timespan_end_now"])) {
return $_SESSION["sess_current_timespan_end_now"];
}else{
return "0";
}
}
/* get_page_list - generates the html necessary to present the user with a list of pages limited
in length and number of rows per page
@arg $current_page - the current page number
@arg $pages_per_screen - the maximum number of pages allowed on a single screen. odd numbered
values for this argument are prefered for equality reasons
@arg $current_page - the current page number
@arg $total_rows - the total number of available rows
@arg $url - the url string to prepend to each page click
@returns - a string containing html that represents the a page list */
function get_page_list($current_page, $pages_per_screen, $rows_per_page, $total_rows, $url) {
$url_page_select = "";
$total_pages = ceil($total_rows / $rows_per_page);
$start_page = max(1, ($current_page - floor(($pages_per_screen - 1) / 2)));
$end_page = min($total_pages, ($current_page + floor(($pages_per_screen - 1) / 2)));
/* adjust if we are close to the beginning of the page list */
if ($current_page <= ceil(($pages_per_screen) / 2)) {
$end_page += ($pages_per_screen - $end_page);
}else{
$url_page_select .= "...";
}
/* adjust if we are close to the end of the page list */
if (($total_pages - $current_page) < ceil(($pages_per_screen) / 2)) {
$start_page -= (($pages_per_screen - ($end_page - $start_page)) - 1);
}
/* stay within limits */
$start_page = max(1, $start_page);
$end_page = min($total_pages, $end_page);
//print "start: $start_page, end: $end_page, total: $total_pages<br>";
for ($page_number=0; (($page_number+$start_page) <= $end_page); $page_number++) {
if ($page_number < $pages_per_screen) {
if ($current_page == ($page_number + $start_page)) {
$url_page_select .= "<strong><a class='linkOverDark' href='$url&page=" . ($page_number + $start_page) . "'>" . ($page_number + $start_page) . "</a></strong>";
}else{
$url_page_select .= "<a class='linkOverDark' href='$url&page=" . ($page_number + $start_page) . "'>" . ($page_number + $start_page) . "</a>";
}
}
if (($page_number+$start_page) < $end_page) {
$url_page_select .= ",";
}
}
if (($total_pages - $current_page) >= ceil(($pages_per_screen) / 2)) {
$url_page_select .= "...";
}
return $url_page_select;
}
?>
|
