mirror of
https://github.com/Cacti/cacti.git
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Larry Adams
26d88a3980
git-svn-id: svn+ssh://repo.cacti.net/var/data/svnroot/cacti/branches/BRANCH_0_8_6/cacti@3331 860744bd-22fc-0310-8c96-e9fe5004b5ca
311 lines
12 KiB
PHP
311 lines
12 KiB
PHP
<?php
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/*
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+-------------------------------------------------------------------------+
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| Copyright (C) 2004 Ian Berry |
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| This program is free software; you can redistribute it and/or |
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| modify it under the terms of the GNU General Public License |
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| as published by the Free Software Foundation; either version 2 |
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| of the License, or (at your option) any later version. |
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| This program is distributed in the hope that it will be useful, |
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| but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| GNU General Public License for more details. |
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+-------------------------------------------------------------------------+
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| cacti: a php-based graphing solution |
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+-------------------------------------------------------------------------+
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| Most of this code has been designed, written and is maintained by |
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| Ian Berry. See about.php for specific developer credit. Any questions |
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| or comments regarding this code should be directed to: |
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| - iberry@raxnet.net |
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+-------------------------------------------------------------------------+
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| - raXnet - http://www.raxnet.net/ |
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+-------------------------------------------------------------------------+
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*/
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/* inject_form_variables - replaces all variables contained in $form_array with
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their actual values
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@arg $form_array - an array that contains all of the information needed to draw
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the html form. see the arrays contained in include/config_settings.php
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for the extact syntax of this array
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@arg $arg1 - an array that represents the |arg1:| variable (see
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include/config_form.php for more details)
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@arg $arg2 - an array that represents the |arg2:| variable (see
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include/config_form.php for more details)
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@arg $arg3 - an array that represents the |arg3:| variable (see
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include/config_form.php for more details)
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@arg $arg4 - an array that represents the |arg4:| variable (see
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include/config_form.php for more details)
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@returns - $form_array with all available variables substituted with their
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proper values */
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function inject_form_variables(&$form_array, $arg1 = array(), $arg2 = array(), $arg3 = array(), $arg4 = array()) {
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$check_fields = array("value", "array", "friendly_name", "description", "sql", "sql_print", "form_id", "items");
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/* loop through each available field */
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while (list($field_name, $field_array) = each($form_array)) {
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/* loop through each sub-field that we are going to check for variables */
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foreach ($check_fields as $field_to_check) {
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if (isset($field_array[$field_to_check]) && (is_array($form_array[$field_name][$field_to_check]))) {
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/* if the field/sub-field combination is an array, resolve it recursively */
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$form_array[$field_name][$field_to_check] = inject_form_variables($form_array[$field_name][$field_to_check], $arg1);
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}elseif (isset($field_array[$field_to_check]) && (!is_array($field_array[$field_to_check])) && (ereg("\|(arg[123]):([a-zA-Z0-9_]*)\|", $field_array[$field_to_check], $matches))) {
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/* an empty field name in the variable means don't treat this as an array */
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if ($matches[2] == "") {
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if (is_array(${$matches[1]})) {
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/* the existing value is already an array, leave it alone */
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$form_array[$field_name][$field_to_check] = ${$matches[1]};
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}else{
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/* the existing value is probably a single variable */
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$form_array[$field_name][$field_to_check] = str_replace($matches[0], ${$matches[1]}, $field_array[$field_to_check]);
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}
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}else{
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/* copy the value down from the array/key specified in the variable */
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$form_array[$field_name][$field_to_check] = str_replace($matches[0], ((isset(${$matches[1]}{$matches[2]})) ? ${$matches[1]}{$matches[2]} : ""), $field_array[$field_to_check]);
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}
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}
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}
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}
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return $form_array;
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}
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/* form_alternate_row_color - starts an HTML row with an alternating color scheme
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@arg $row_color1 - the first color to use
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@arg $row_color2 - the second color to use
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@arg $row_value - the value of the row which will be used to evaluate which color
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to display for this particular row. must be an integer
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@returns - the background color used for this particular row */
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function form_alternate_row_color($row_color1, $row_color2, $row_value) {
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if (($row_value % 2) == 1) {
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$current_color = $row_color1;
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}else{
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$current_color = $row_color2;
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}
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print "<tr bgcolor='#$current_color'>\n";
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return $current_color;
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}
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/* html_boolean - returns the boolean equivalent of an HTML checkbox value
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@arg $html_boolean - the value of the HTML checkbox
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@returns - true or false based on the value of the HTML checkbox */
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function html_boolean($html_boolean) {
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if ($html_boolean == "on") {
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return true;
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}else{
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return false;
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}
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}
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/* html_boolean_friendly - returns the natural language equivalent of an HTML
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checkbox value
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@arg $html_boolean - the value of the HTML checkbox
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@returns - 'Selected' or 'Not Selected' based on the value of the HTML
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checkbox */
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function html_boolean_friendly($html_boolean) {
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if ($html_boolean == "on") {
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return "Selected";
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}else{
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return "Not Selected";
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}
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}
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/* get_checkbox_style - finds the proper CSS padding to apply based on the
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current client browser in use
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@returns - a CSS style string which should be used with an HTML checkbox
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control */
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function get_checkbox_style() {
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if (get_web_browser() == "moz") {
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return "padding: 4px; margin: 4px;";
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}elseif (get_web_browser() == "ie") {
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return "padding: 0px; margin: 0px;";
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}elseif (get_web_browser() == "other") {
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return "padding: 4px; margin: 4px;";
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}
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}
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/* get_request_var - returns the current value of a PHP $_GET variable, optionally
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returning a default value if the request variable does not exist
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@arg $name - the name of the request variable. this should be a valid key in the
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$_GET array
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@arg $default - the value to return if the specified name does not exist in the
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$_GET array
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@returns - the value of the request variable */
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function get_request_var($name, $default = "")
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{
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if (isset($_GET[$name]))
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{
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return $_GET[$name];
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} else
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{
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return $default;
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}
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}
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/* get_request_var_post - returns the current value of a PHP $_POST variable, optionally
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returning a default value if the request variable does not exist
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@arg $name - the name of the request variable. this should be a valid key in the
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$_POST array
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@arg $default - the value to return if the specified name does not exist in the
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$_POST array
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@returns - the value of the request variable */
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function get_request_var_post($name, $default = "")
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{
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if (isset($_POST[$name]))
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{
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return $_POST[$name];
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} else
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{
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return $default;
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}
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}
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/* get_request_var_request - returns the current value of a PHP $_POST variable, optionally
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returning a default value if the request variable does not exist
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@arg $name - the name of the request variable. this should be a valid key in the
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$_REQUEST array
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@arg $default - the value to return if the specified name does not exist in the
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$_REQUEST array
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@returns - the value of the request variable */
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function get_request_var_request($name, $default = "")
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{
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if (isset($_REQUEST[$name]))
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{
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return $_REQUEST[$name];
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} else
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{
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return $default;
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}
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}
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/* load_current_session_value - finds the correct value of a variable that is being
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cached as a session variable on an HTML form
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@arg $request_var_name - the array index name for the request variable
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@arg $session_var_name - the array index name for the session variable
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@arg $default_value - the default value to use if values cannot be obtained using
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the session or request array */
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function load_current_session_value($request_var_name, $session_var_name, $default_value) {
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if (isset($_REQUEST[$request_var_name])) {
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$_SESSION[$session_var_name] = $_REQUEST[$request_var_name];
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}elseif (isset($_SESSION[$session_var_name])) {
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$_REQUEST[$request_var_name] = $_SESSION[$session_var_name];
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}else{
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$_REQUEST[$request_var_name] = $default_value;
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}
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}
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/* get_colored_device_status - given a device's status, return the colored text in HTML
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format suitable for display
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@arg $disabled (bool) - true if the device is disabled, false is it is not
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@arg $status - the status type of the device as defined in config_constants.php
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@returns - a string containing html that represents the device's current status */
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function get_colored_device_status($disabled, $status) {
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$disabled_color = "a1a1a1";
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$status_colors = array(
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HOST_DOWN => "ff0000",
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HOST_ERROR => "750F7D",
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HOST_RECOVERING => "ff8f1e",
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HOST_UP => "198e32"
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);
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if ($disabled) {
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return "<span style='color: #$disabled_color'>Disabled</a>";
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}else{
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switch ($status) {
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case HOST_DOWN:
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return "<span style='color: #" . $status_colors[HOST_DOWN] . "'>Down</a>"; break;
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case HOST_RECOVERING:
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return "<span style='color: #" . $status_colors[HOST_RECOVERING] . "'>Recovering</a>"; break;
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case HOST_UP:
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return "<span style='color: #" . $status_colors[HOST_UP] . "'>Up</a>"; break;
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case HOST_ERROR:
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return "<span style='color: #" . $status_colors[HOST_ERROR] . "'>Error</a>"; break;
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default:
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return "<span style='color: #0000ff'>Unknown</a>"; break;
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}
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}
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}
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/* get_current_graph_start - determine the correct graph start time selected using
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the timespan selector
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@returns - the number of seconds relative to now where the graph should begin */
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function get_current_graph_start() {
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if (isset($_SESSION["sess_current_timespan_begin_now"])) {
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return $_SESSION["sess_current_timespan_begin_now"];
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}else{
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return "-" . DEFAULT_TIMESPAN;
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}
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}
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/* get_current_graph_end - determine the correct graph end time selected using
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the timespan selector
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@returns - the number of seconds relative to now where the graph should end */
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function get_current_graph_end() {
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if (isset($_SESSION["sess_current_timespan_end_now"])) {
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return $_SESSION["sess_current_timespan_end_now"];
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}else{
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return "0";
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}
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}
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/* get_page_list - generates the html necessary to present the user with a list of pages limited
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in length and number of rows per page
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@arg $current_page - the current page number
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@arg $pages_per_screen - the maximum number of pages allowed on a single screen. odd numbered
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values for this argument are prefered for equality reasons
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@arg $current_page - the current page number
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@arg $total_rows - the total number of available rows
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@arg $url - the url string to prepend to each page click
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@returns - a string containing html that represents the a page list */
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function get_page_list($current_page, $pages_per_screen, $rows_per_page, $total_rows, $url) {
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$url_page_select = "";
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$total_pages = ceil($total_rows / $rows_per_page);
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$start_page = max(1, ($current_page - floor(($pages_per_screen - 1) / 2)));
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$end_page = min($total_pages, ($current_page + floor(($pages_per_screen - 1) / 2)));
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/* adjust if we are close to the beginning of the page list */
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if ($current_page <= ceil(($pages_per_screen) / 2)) {
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$end_page += ($pages_per_screen - $end_page);
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}else{
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$url_page_select .= "...";
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}
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/* adjust if we are close to the end of the page list */
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if (($total_pages - $current_page) < ceil(($pages_per_screen) / 2)) {
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$start_page -= (($pages_per_screen - ($end_page - $start_page)) - 1);
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}
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/* stay within limits */
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$start_page = max(1, $start_page);
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$end_page = min($total_pages, $end_page);
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//print "start: $start_page, end: $end_page, total: $total_pages<br>";
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for ($page_number=0; (($page_number+$start_page) <= $end_page); $page_number++) {
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if ($page_number < $pages_per_screen) {
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if ($current_page == ($page_number + $start_page)) {
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$url_page_select .= "<strong><a class='linkOverDark' href='$url&page=" . ($page_number + $start_page) . "'>" . ($page_number + $start_page) . "</a></strong>";
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}else{
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$url_page_select .= "<a class='linkOverDark' href='$url&page=" . ($page_number + $start_page) . "'>" . ($page_number + $start_page) . "</a>";
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}
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}
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if (($page_number+$start_page) < $end_page) {
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$url_page_select .= ",";
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}
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}
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if (($total_pages - $current_page) >= ceil(($pages_per_screen) / 2)) {
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$url_page_select .= "...";
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}
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return $url_page_select;
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}
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?>
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