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data_templates.php

<?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/                                       |
 +-------------------------------------------------------------------------+
*/

include ("./include/auth.php");
include_once("./lib/tree.php");
include_once("./lib/html_tree.php");
include_once("./lib/utility.php");
include_once("./lib/template.php");

define("MAX_DISPLAY_PAGES", 21);

$ds_actions = array(
      1 => "Delete",
      2 => "Duplicate"
      );

/* set default action */
if (!isset($_REQUEST["action"])) { $_REQUEST["action"] = ""; }

switch ($_REQUEST["action"]) {
      case 'save':
            form_save();

            break;
      case 'actions':
            form_actions();

            break;
      case 'rrd_add':
            template_rrd_add();

            break;
      case 'rrd_remove':
            template_rrd_remove();

            break;
      case 'template_remove':
            template_remove();

            header("Location: data_templates.php");
            break;
      case 'template_edit':
            include_once("./include/top_header.php");

            template_edit();

            include_once ("./include/bottom_footer.php");
            break;
      default:
            include_once("./include/top_header.php");

            template();

            include_once("./include/bottom_footer.php");
            break;
}

/* --------------------------
    The Save Function
   -------------------------- */

function form_save() {
      if (isset($_POST["save_component_template"])) {
            /* ================= input validation ================= */
            input_validate_input_number(get_request_var_post("data_input_id"));
            input_validate_input_number(get_request_var_post("data_template_id"));
            /* ==================================================== */

            /* save: data_template */
            $save1["id"] = $_POST["data_template_id"];
            $save1["hash"] = get_hash_data_template($_POST["data_template_id"]);
            $save1["name"] = form_input_validate($_POST["template_name"], "template_name", "", false, 3);

            /* save: data_template_data */
            $save2["id"] = $_POST["data_template_data_id"];
            $save2["local_data_template_data_id"] = 0;
            $save2["local_data_id"] = 0;

            $save2["data_input_id"] = form_input_validate($_POST["data_input_id"], "data_input_id", "", true, 3);
            $save2["t_name"] = form_input_validate((isset($_POST["t_name"]) ? $_POST["t_name"] : ""), "t_name", "", true, 3);
            $save2["name"] = form_input_validate($_POST["name"], "name", "", (isset($_POST["t_name"]) ? true : false), 3);
            $save2["t_active"] = form_input_validate((isset($_POST["t_active"]) ? $_POST["t_active"] : ""), "t_active", "", true, 3);
            $save2["active"] = form_input_validate((isset($_POST["active"]) ? $_POST["active"] : ""), "active", "", true, 3);
            $save2["t_rrd_step"] = form_input_validate((isset($_POST["t_rrd_step"]) ? $_POST["t_rrd_step"] : ""), "t_rrd_step", "", true, 3);
            $save2["rrd_step"] = form_input_validate($_POST["rrd_step"], "rrd_step", "^[0-9]+$", (isset($_POST["t_rrd_step"]) ? true : false), 3);
            $save2["t_rra_id"] = form_input_validate((isset($_POST["t_rra_id"]) ? $_POST["t_rra_id"] : ""), "t_rra_id", "", true, 3);

            /* save: data_template_rrd */
            $save3["id"] = $_POST["data_template_rrd_id"];
            $save3["hash"] = get_hash_data_template($_POST["data_template_rrd_id"], "data_template_item");
            $save3["local_data_template_rrd_id"] = 0;
            $save3["local_data_id"] = 0;

            $save3["t_rrd_maximum"] = form_input_validate((isset($_POST["t_rrd_maximum"]) ? $_POST["t_rrd_maximum"] : ""), "t_rrd_maximum", "", true, 3);
            $save3["rrd_maximum"] = form_input_validate($_POST["rrd_maximum"], "rrd_maximum", "^(-?([0-9]+(\.[0-9]*)?|[0-9]*\.[0-9]+)([eE][+\-]?[0-9]+)?)|U$", (isset($_POST["t_rrd_maximum"]) ? true : false), 3);
            $save3["t_rrd_minimum"] = form_input_validate((isset($_POST["t_rrd_minimum"]) ? $_POST["t_rrd_minimum"] : ""), "t_rrd_minimum", "", true, 3);
            $save3["rrd_minimum"] = form_input_validate($_POST["rrd_minimum"], "rrd_minimum", "^(-?([0-9]+(\.[0-9]*)?|[0-9]*\.[0-9]+)([eE][+\-]?[0-9]+)?)|U$", (isset($_POST["t_rrd_minimum"]) ? true : false), 3);
            $save3["t_rrd_heartbeat"] = form_input_validate((isset($_POST["t_rrd_heartbeat"]) ? $_POST["t_rrd_heartbeat"] : ""), "t_rrd_heartbeat", "", true, 3);
            $save3["rrd_heartbeat"] = form_input_validate($_POST["rrd_heartbeat"], "rrd_heartbeat", "^[0-9]+$", (isset($_POST["t_rrd_heartbeat"]) ? true : false), 3);
            $save3["t_data_source_type_id"] = form_input_validate((isset($_POST["t_data_source_type_id"]) ? $_POST["t_data_source_type_id"] : ""), "t_data_source_type_id", "", true, 3);
            $save3["data_source_type_id"] = form_input_validate($_POST["data_source_type_id"], "data_source_type_id", "", true, 3);
            $save3["t_data_source_name"] = form_input_validate((isset($_POST["t_data_source_name"]) ? $_POST["t_data_source_name"] : ""), "t_data_source_name", "", true, 3);
            $save3["data_source_name"] = form_input_validate($_POST["data_source_name"], "data_source_name", "^[a-zA-Z0-9_]{1,19}$", (isset($_POST["t_data_source_name"]) ? true : false), 3);
            $save3["t_data_input_field_id"] = form_input_validate((isset($_POST["t_data_input_field_id"]) ? $_POST["t_data_input_field_id"] : ""), "t_data_input_field_id", "", true, 3);
            $save3["data_input_field_id"] = form_input_validate((isset($_POST["data_input_field_id"]) ? $_POST["data_input_field_id"] : "0"), "data_input_field_id", "", true, 3);

            /* ok, first pull out all 'input' values so we know how much to save */
            $input_fields = db_fetch_assoc("select
                  id,
                  input_output,
                  regexp_match,
                  allow_nulls,
                  type_code,
                  data_name
                  from data_input_fields
                  where data_input_id=" . $_POST["data_input_id"] . "
                  and input_output='in'");

            /* pass#1 for validation */
            if (sizeof($input_fields) > 0) {
                  foreach ($input_fields as $input_field) {
                        $form_value = "value_" . $input_field["data_name"];

                        if ((isset($_POST[$form_value])) && ($input_field["type_code"] == "")) {
                              form_input_validate($_POST[$form_value], "value_" . $input_field["data_name"], $input_field["regexp_match"], ($input_field["allow_nulls"] == "on" ? true : false), 3);
                        }
                  }
            }

            if (!is_error_message()) {
                  $data_template_id = sql_save($save1, "data_template");

                  if ($data_template_id) {
                        raise_message(1);
                  }else{
                        raise_message(2);
                  }
            }

            if (!is_error_message()) {
                  $save2["data_template_id"] = $data_template_id;
                  $data_template_data_id = sql_save($save2, "data_template_data");

                  if ($data_template_data_id) {
                        raise_message(1);
                  }else{
                        raise_message(2);
                  }
            }

            /* update actual host template information for live hosts */
            if (!is_error_message()) {
                  db_execute("update data_template_data set data_input_id = '" . $_POST["data_input_id"] . "' where data_template_id = " . $_POST["data_template_id"] . ";");
            }

            if (!is_error_message()) {
                  $save3["data_template_id"] = $data_template_id;
                  $data_template_rrd_id = sql_save($save3, "data_template_rrd");

                  if ($data_template_rrd_id) {
                        raise_message(1);
                  }else{
                        raise_message(2);
                  }
            }

            if (!is_error_message()) {
                  /* save entries in 'selected rras' field */
                  db_execute("delete from data_template_data_rra where data_template_data_id=$data_template_data_id");

                  if (isset($_POST["rra_id"])) {
                        for ($i=0; ($i < count($_POST["rra_id"])); $i++) {
                              /* ================= input validation ================= */
                              input_validate_input_number($_POST["rra_id"][$i]);
                              /* ==================================================== */

                              db_execute("insert into data_template_data_rra (rra_id,data_template_data_id)
                                    values (" . $_POST["rra_id"][$i] . ",$data_template_data_id)");
                        }
                  }

                  if (!empty($_POST["data_template_id"])) {
                        /* push out all data source settings to child data source using this template */
                        push_out_data_source($data_template_data_id);
                        push_out_data_source_item($data_template_rrd_id);

                        db_execute("delete from data_input_data where data_template_data_id=$data_template_data_id");

                        reset($input_fields);
                        if (sizeof($input_fields) > 0) {
                        foreach ($input_fields as $input_field) {
                              $form_value = "value_" . $input_field["data_name"];

                              if (isset($_POST[$form_value])) {
                                    /* save the data into the 'host_template_data' table */
                                    if (isset($_POST{"t_value_" . $input_field["data_name"]})) {
                                          $template_this_item = "on";
                                    }else{
                                          $template_this_item = "";
                                    }

                                    if ((!empty($form_value)) || (!empty($_POST{"t_value_" . $input_field["data_name"]}))) {
                                          db_execute("insert into data_input_data (data_input_field_id,data_template_data_id,t_value,value)
                                                values (" . $input_field["id"] . ",$data_template_data_id,'$template_this_item','" . $_POST[$form_value] . "')");
                                    }
                              }
                        }
                        }

                        /* push out all "custom data" for this data source template */
                        push_out_data_source_custom_data($data_template_id);
                        push_out_host(0, 0, $data_template_id);
                  }
            }

            if ((is_error_message()) || (empty($_POST["data_template_id"]))) {
                  header("Location: data_templates.php?action=template_edit&id=" . (empty($data_template_id) ? $_POST["data_template_id"] : $data_template_id) . (empty($_POST["current_rrd"]) ? "" : "&view_rrd=" . ($_POST["current_rrd"] ? $_POST["current_rrd"] : $data_template_rrd_id)));
            }else{
                  header("Location: data_templates.php");
            }
      }
}

/* ------------------------
    The "actions" function
   ------------------------ */

function form_actions() {
      global $colors, $ds_actions;

      /* if we are to save this form, instead of display it */
      if (isset($_POST["selected_items"])) {
            $selected_items = unserialize(stripslashes($_POST["selected_items"]));

            if ($_POST["drp_action"] == "1") { /* delete */
                  $data_template_datas = db_fetch_assoc("select id from data_template_data where " . array_to_sql_or($selected_items, "data_template_id") . " and local_data_id=0");

                  if (sizeof($data_template_datas) > 0) {
                  foreach ($data_template_datas as $data_template_data) {
                        db_execute("delete from data_template_data_rra where data_template_data_id=" . $data_template_data["id"]);
                  }
                  }

                  db_execute("delete from data_template_data where " . array_to_sql_or($selected_items, "data_template_id") . " and local_data_id=0");
                  db_execute("delete from data_template_rrd where " . array_to_sql_or($selected_items, "data_template_id") . " and local_data_id=0");
                  db_execute("delete from snmp_query_graph_rrd where " . array_to_sql_or($selected_items, "data_template_id"));
                  db_execute("delete from snmp_query_graph_rrd_sv where " . array_to_sql_or($selected_items, "data_template_id"));
                  db_execute("delete from data_template where " . array_to_sql_or($selected_items, "id"));

                  /* "undo" any graph that is currently using this template */
                  db_execute("update data_template_data set local_data_template_data_id=0,data_template_id=0 where " . array_to_sql_or($selected_items, "data_template_id"));
                  db_execute("update data_template_rrd set local_data_template_rrd_id=0,data_template_id=0 where " . array_to_sql_or($selected_items, "data_template_id"));
                  db_execute("update data_local set data_template_id=0 where " . array_to_sql_or($selected_items, "data_template_id"));
            }elseif ($_POST["drp_action"] == "2") { /* duplicate */
                  for ($i=0;($i<count($selected_items));$i++) {
                        /* ================= input validation ================= */
                        input_validate_input_number($selected_items[$i]);
                        /* ==================================================== */

                        duplicate_data_source(0, $selected_items[$i], $_POST["title_format"]);
                  }
            }

            header("Location: data_templates.php");
            exit;
      }

      /* setup some variables */
      $ds_list = ""; $i = 0;

      /* loop through each of the graphs selected on the previous page and get more info about them */
      while (list($var,$val) = each($_POST)) {
            if (ereg("^chk_([0-9]+)$", $var, $matches)) {
                  /* ================= input validation ================= */
                  input_validate_input_number($matches[1]);
                  /* ==================================================== */

                  $ds_list .= "<li>" . db_fetch_cell("select name from data_template where id=" . $matches[1]) . "<br>";
                  $ds_array[$i] = $matches[1];
            }

            $i++;
      }

      include_once("./include/top_header.php");

      html_start_box("<strong>" . $ds_actions{$_POST["drp_action"]} . "</strong>", "60%", $colors["header_panel"], "3", "center", "");

      print "<form action='data_templates.php' method='post'>\n";

      if ($_POST["drp_action"] == "1") { /* delete */
            print "     <tr>
                        <td class='textArea' bgcolor='#" . $colors["form_alternate1"]. "'>
                              <p>Are you sure you want to delete the following data templates? Any data sources attached
                              to these templates will become individual data sources.</p>
                              <p>$ds_list</p>
                        </td>
                  </tr>\n
                  ";
      }elseif ($_POST["drp_action"] == "2") { /* duplicate */
            print "     <tr>
                        <td class='textArea' bgcolor='#" . $colors["form_alternate1"]. "'>
                              <p>When you click save, the following data templates will be duplicated. You can
                              optionally change the title format for the new data templates.</p>
                              <p>$ds_list</p>
                              <p><strong>Title Format:</strong><br>"; form_text_box("title_format", "<template_title> (1)", "", "255", "30", "text"); print "</p>
                        </td>
                  </tr>\n
                  ";
      }

      if (!isset($ds_array)) {
            print "<tr><td bgcolor='#" . $colors["form_alternate1"]. "'><span class='textError'>You must select at least one data template.</span></td></tr>\n";
            $save_html = "";
      }else{
            $save_html = "<input type='image' src='images/button_yes.gif' alt='Save' align='absmiddle'>";
      }

      print "     <tr>
                  <td align='right' bgcolor='#eaeaea'>
                        <input type='hidden' name='action' value='actions'>
                        <input type='hidden' name='selected_items' value='" . (isset($ds_array) ? serialize($ds_array) : '') . "'>
                        <input type='hidden' name='drp_action' value='" . $_POST["drp_action"] . "'>
                        <a href='data_templates.php'><img src='images/button_no.gif' alt='Cancel' align='absmiddle' border='0'></a>
                        $save_html
                  </td>
            </tr>
            ";

      html_end_box();

      include_once("./include/bottom_footer.php");
}

/* ----------------------------
    template - Data Templates
   ---------------------------- */

function template_rrd_remove() {
      /* ================= input validation ================= */
      input_validate_input_number(get_request_var("id"));
      input_validate_input_number(get_request_var("data_template_id"));
      /* ==================================================== */

      $children = db_fetch_assoc("select id from data_template_rrd where local_data_template_rrd_id=" . $_GET["id"] . " or id=" . $_GET["id"]);

      if (sizeof($children) > 0) {
      foreach ($children as $item) {
            db_execute("delete from data_template_rrd where id=" . $item["id"]);
            db_execute("delete from snmp_query_graph_rrd where data_template_rrd_id=" . $item["id"]);
            db_execute("update graph_templates_item set task_item_id=0 where task_item_id=" . $item["id"]);
      }
      }

      header("Location: data_templates.php?action=template_edit&id=" . $_GET["data_template_id"]);
}

function template_rrd_add() {
      /* ================= input validation ================= */
      input_validate_input_number(get_request_var("id"));
      input_validate_input_number(get_request_var("local_data_id"));
      /* ==================================================== */

      $hash = get_hash_data_template(0, "data_template_item");

      db_execute("insert into data_template_rrd (hash,data_template_id,rrd_maximum,rrd_minimum,rrd_heartbeat,data_source_type_id,
            data_source_name) values ('$hash'," . $_GET["id"] . ",100,0,600,1,'ds')");
      $data_template_rrd_id = db_fetch_insert_id();

      /* add this data template item to each data source using this data template */
      $children = db_fetch_assoc("select local_data_id from data_template_data where data_template_id=" . $_GET["id"] . " and local_data_id>0");

      if (sizeof($children) > 0) {
      foreach ($children as $item) {
            db_execute("insert into data_template_rrd (local_data_template_rrd_id,local_data_id,data_template_id,rrd_maximum,rrd_minimum,rrd_heartbeat,data_source_type_id,
                  data_source_name) values ($data_template_rrd_id," . $item["local_data_id"] . "," . $_GET["id"] . ",100,0,600,1,'ds')");
      }
      }

      header("Location: data_templates.php?action=template_edit&id=" . $_GET["id"] . "&view_rrd=$data_template_rrd_id");
}

function template_edit() {
      global $colors, $struct_data_source, $struct_data_source_item, $data_source_types, $fields_data_template_template_edit;

      /* ================= input validation ================= */
      input_validate_input_number(get_request_var("id"));
      input_validate_input_number(get_request_var("view_rrd"));
      /* ==================================================== */

      if (!empty($_GET["id"])) {
            $template_data = db_fetch_row("select * from data_template_data where data_template_id=" . $_GET["id"] . " and local_data_id=0");
            $template = db_fetch_row("select * from data_template where id=" . $_GET["id"]);

            $header_label = "[edit: " . $template["name"] . "]";
      }else{
            $header_label = "[new]";
      }

      html_start_box("<strong>Data Templates</strong> $header_label", "98%", $colors["header"], "3", "center", "");

      draw_edit_form(array(
            "config" => array(),
            "fields" => inject_form_variables($fields_data_template_template_edit, (isset($template) ? $template : array()), (isset($template_data) ? $template_data : array()), $_GET)
            ));

      html_end_box();

      html_start_box("<strong>Data Source</strong>", "98%", $colors["header"], "3", "center", "");

      /* make sure 'data source path' doesn't show up for a template... we should NEVER template this field */
      unset($struct_data_source["data_source_path"]);

      $form_array = array();

      while (list($field_name, $field_array) = each($struct_data_source)) {
            $form_array += array($field_name => $struct_data_source[$field_name]);

            if ($field_array["flags"] == "ALWAYSTEMPLATE") {
                  $form_array[$field_name]["description"] = "<em>This field is always templated.</em>";
            }else{
                  $form_array[$field_name]["description"] = "";
                  $form_array[$field_name]["sub_checkbox"] = array(
                        "name" => "t_" . $field_name,
                        "friendly_name" => "Use Per-Data Source Value (Ignore this Value)",
                        "value" => (isset($template_data{"t_" . $field_name}) ? $template_data{"t_" . $field_name} : "")
                        );
            }

            $form_array[$field_name]["value"] = (isset($template_data[$field_name]) ? $template_data[$field_name] : "");
            $form_array[$field_name]["form_id"] = (isset($template_data) ? $template_data["data_template_id"] : "0");
      }

      draw_edit_form(
            array(
                  "config" => array(
                        ),
                  "fields" => inject_form_variables($form_array, (isset($template_data) ? $template_data : array()))
                  )
            );

      html_end_box();

      /* fetch ALL rrd's for this data source */
      if (!empty($_GET["id"])) {
            $template_data_rrds = db_fetch_assoc("select id,data_source_name from data_template_rrd where data_template_id=" . $_GET["id"] . " and local_data_id=0 order by data_source_name");
      }

      /* select the first "rrd" of this data source by default */
      if (empty($_GET["view_rrd"])) {
            $_GET["view_rrd"] = (isset($template_data_rrds[0]["id"]) ? $template_data_rrds[0]["id"] : "0");
      }

      /* get more information about the rrd we chose */
      if (!empty($_GET["view_rrd"])) {
            $template_rrd = db_fetch_row("select * from data_template_rrd where id=" . $_GET["view_rrd"]);
      }

      $i = 0;
      if (isset($template_data_rrds)) {
            if (sizeof($template_data_rrds) > 1) {

            /* draw the data source tabs on the top of the page */
            print "     <table class='tabs' width='98%' cellspacing='0' cellpadding='3' align='center'>
                        <tr>\n";

                        foreach ($template_data_rrds as $template_data_rrd) {
                              $i++;
                              print "     <td " . (($template_data_rrd["id"] == $_GET["view_rrd"]) ? "bgcolor='silver'" : "bgcolor='#DFDFDF'") . " nowrap='nowrap' width='" . ((strlen($template_data_rrd["data_source_name"]) * 9) + 50) . "' align='center' class='tab'>
                                          <span class='textHeader'><a href='data_templates.php?action=template_edit&id=" . $_GET["id"] . "&view_rrd=" . $template_data_rrd["id"] . "'>$i: " . $template_data_rrd["data_source_name"] . "</a> <a href='data_templates.php?action=rrd_remove&id=" . $template_data_rrd["id"] . "&data_template_id=" . $_GET["id"] . "'><img src='images/delete_icon.gif' border='0' alt='Delete'></a></span>
                                    </td>\n
                                    <td width='1'></td>\n";
                        }

                        print "
                        <td></td>\n
                        </tr>
                  </table>\n";

            }elseif (sizeof($template_data_rrds) == 1) {
                  $_GET["view_rrd"] = $template_data_rrds[0]["id"];
            }
      }

      html_start_box("", "98%", $colors["header"], "3", "center", "");

      print "     <tr>
                  <td bgcolor='#" . $colors["header"] . "' class='textHeaderDark'>
                        <strong>Data Source Item</strong> [" . (isset($template_rrd) ? $template_rrd["data_source_name"] : "") . "]
                  </td>
                  <td class='textHeaderDark' align='right' bgcolor='" . $colors["header"] . "'>
                        " . (!empty($_GET["id"]) ? "<strong><a class='linkOverDark' href='data_templates.php?action=rrd_add&id=" . $_GET["id"] . "'>New</a>&nbsp;</strong>" : "") . "
                  </td>
            </tr>\n";

      /* data input fields list */
      if ((empty($template_data["data_input_id"])) ||
            ((db_fetch_cell("select type_id from data_input where id=" . $template_data["data_input_id"]) != "1") &&
            (db_fetch_cell("select type_id from data_input where id=" . $template_data["data_input_id"]) != "5"))) {
            unset($struct_data_source_item["data_input_field_id"]);
      }else{
            $struct_data_source_item["data_input_field_id"]["sql"] = "select id,CONCAT(data_name,' - ',name) as name from data_input_fields where data_input_id=" . $template_data["data_input_id"] . " and input_output='out' and update_rra='on' order by data_name,name";
      }

      $form_array = array();

      while (list($field_name, $field_array) = each($struct_data_source_item)) {
            $form_array += array($field_name => $struct_data_source_item[$field_name]);

            $form_array[$field_name]["description"] = "";
            $form_array[$field_name]["value"] = (isset($template_rrd) ? $template_rrd[$field_name] : "");
            $form_array[$field_name]["sub_checkbox"] = array(
                  "name" => "t_" . $field_name,
                  "friendly_name" => "Use Per-Data Source Value (Ignore this Value)",
                  "value" => (isset($template_rrd) ? $template_rrd{"t_" . $field_name} : "")
                  );
      }

      draw_edit_form(
            array(
                  "config" => array(
                        "no_form_tag" => true
                        ),
                  "fields" => $form_array + array(
                        "data_template_rrd_id" => array(
                              "method" => "hidden",
                              "value" => (isset($template_rrd) ? $template_rrd["id"] : "0")
                        )
                  )
                  )
            );

      html_end_box();

      $i = 0;
      if (!empty($_GET["id"])) {
            /* get each INPUT field for this data input source */
            $fields = db_fetch_assoc("select * from data_input_fields where data_input_id=" . $template_data["data_input_id"] . " and input_output='in' order by sequence");

            html_start_box("<strong>Custom Data</strong> [data input: " . db_fetch_cell("select name from data_input where id=" . $template_data["data_input_id"]) . "]", "98%", $colors["header"], "3", "center", "");

            /* loop through each field found */
            if (sizeof($fields) > 0) {
            foreach ($fields as $field) {
                  $data_input_data = db_fetch_row("select t_value,value from data_input_data where data_template_data_id=" . $template_data["id"] . " and data_input_field_id=" . $field["id"]);

                  if (sizeof($data_input_data) > 0) {
                        $old_value = $data_input_data["value"];
                  }else{
                        $old_value = "";
                  }

                  form_alternate_row_color($colors["form_alternate1"],$colors["form_alternate2"],$i); ?>
                        <td width="50%">
                              <strong><?php print $field["name"];?></strong><br>
                              <?php form_checkbox("t_value_" . $field["data_name"],$data_input_data["t_value"],"Use Per-Data Source Value (Ignore this Value)","",$_GET["id"]);?>
                        </td>
                        <td>
                              <?php form_text_box("value_" . $field["data_name"],$old_value,"","");?>
                              <?php if ((eregi('^' . VALID_HOST_FIELDS . '$', $field["type_code"])) && ($data_input_data["t_value"] == "")) { print "<br><em>Value will be derived from the host if this field is left empty.</em>\n"; } ?>
                        </td>
                  </tr>
                  <?php

                  $i++;
            }
            }else{
                  print "<tr><td><em>No Input Fields for the Selected Data Input Source</em></td></tr>";
            }

            html_end_box();
      }

      form_save_button("data_templates.php");
}

function template() {
      global $colors, $ds_actions;

      /* ================= input validation ================= */
      input_validate_input_number(get_request_var_request("page"));
      /* ==================================================== */

      /* clean up search string */
      if (isset($_REQUEST["filter"])) {
            $_REQUEST["filter"] = sanitize_search_string(get_request_var("filter"));
      }

      /* if the user pushed the 'clear' button */
      if (isset($_REQUEST["clear_x"])) {
            kill_session_var("sess_data_template_current_page");
            kill_session_var("sess_data_template_filter");

            unset($_REQUEST["page"]);
            unset($_REQUEST["filter"]);
      }

      /* remember these search fields in session vars so we don't have to keep passing them around */
      load_current_session_value("page", "sess_data_template_current_page", "1");
      load_current_session_value("filter", "sess_data_template_filter", "");

      html_start_box("<strong>Data Templates</strong>", "98%", $colors["header"], "3", "center", "data_templates.php?action=template_edit");

      include("./include/html/inc_data_template_filter_table.php");

      html_end_box();

      /* form the 'where' clause for our main sql query */
      $sql_where = "where (data_template.name like '%%" . $_REQUEST["filter"] . "%%')";

      html_start_box("", "98%", $colors["header"], "3", "center", "");

      $total_rows = db_fetch_cell("select
            COUNT(data_template.id)
            from data_template
            $sql_where");

      $template_list = db_fetch_assoc("select
            data_template.id,
            data_template.name,
            data_input.name as data_input_method,
            data_template_data.active as active
            from (data_template,data_template_data)
            left join data_input on (data_template_data.data_input_id = data_input.id)
            $sql_where
            and data_template.id = data_template_data.data_template_id
            and data_template_data.local_data_id = 0
            order by data_template.name
            limit " . (read_config_option("num_rows_device")*($_REQUEST["page"]-1)) . "," . read_config_option("num_rows_device"));

      /* generate page list */
      $url_page_select = get_page_list($_REQUEST["page"], MAX_DISPLAY_PAGES, read_config_option("num_rows_device"), $total_rows, "data_templates.php?filter=" . $_REQUEST["filter"]);

      $nav = "<tr bgcolor='#" . $colors["header"] . "'>
            <td colspan='7'>
                  <table width='100%' cellspacing='0' cellpadding='0' border='0'>
                        <tr>
                              <td align='left' class='textHeaderDark'>
                                    <strong>&lt;&lt; "; if ($_REQUEST["page"] > 1) { $nav .= "<a class='linkOverDark' href='data_templates.php?filter=" . $_REQUEST["filter"] . "&page=" . ($_REQUEST["page"]-1) . "'>"; } $nav .= "Previous"; if ($_REQUEST["page"] > 1) { $nav .= "</a>"; } $nav .= "</strong>
                              </td>\n
                              <td align='center' class='textHeaderDark'>
                                    Showing Rows " . ((read_config_option("num_rows_device")*($_REQUEST["page"]-1))+1) . " to " . ((($total_rows < read_config_option("num_rows_device")) || ($total_rows < (read_config_option("num_rows_device")*$_REQUEST["page"]))) ? $total_rows : (read_config_option("num_rows_device")*$_REQUEST["page"])) . " of $total_rows [$url_page_select]
                              </td>\n
                              <td align='right' class='textHeaderDark'>
                                    <strong>"; if (($_REQUEST["page"] * read_config_option("num_rows_device")) < $total_rows) { $nav .= "<a class='linkOverDark' href='data_templates.php?filter=" . $_REQUEST["filter"] . "&page=" . ($_REQUEST["page"]+1) . "'>"; } $nav .= "Next"; if (($_REQUEST["page"] * read_config_option("num_rows_device")) < $total_rows) { $nav .= "</a>"; } $nav .= " &gt;&gt;</strong>
                              </td>\n
                        </tr>
                  </table>
            </td>
      </tr>\n";

      print $nav;

      html_header_checkbox(array("Template Name", "Data Input Method", "Status"));

      $i = 0;
      if (sizeof($template_list) > 0) {
            foreach ($template_list as $template) {
                  form_alternate_row_color($colors["alternate"],$colors["light"],$i);
                        ?>
                        <td>
                              <a class="linkEditMain" href="data_templates.php?action=template_edit&id=<?php print $template["id"];?>"><?php print eregi_replace("(" . preg_quote($_REQUEST["filter"]) . ")", "<span style='background-color: #F8D93D;'>\\1</span>", $template["name"]);?></a>
                        </td>
                        <td>
                              <?php print (empty($template["data_input_method"]) ? "<em>None</em>": $template["data_input_method"]);?>
                        </td>
                        <td>
                              <?php if ($template["active"] == "on") print "Active"; else print "Disabled";?>
                        </td>
                        <td style="<?php print get_checkbox_style();?>" width="1%" align="right">
                              <input type='checkbox' style='margin: 0px;' name='chk_<?php print $template["id"];?>' title="<?php print $template["name"];?>">
                        </td>
                  </tr>
                  <?php
                  $i++;
            }

            /* put the nav bar on the bottom as well */
            print $nav;
      }else{
            print "<tr><td><em>No Data Templates</em></td></tr>\n";
      }
      html_end_box(false);

      /* draw the dropdown containing a list of available actions for this form */
      draw_actions_dropdown($ds_actions);

      print "</form>\n";
}

?>

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