mirror of https://github.com/BOINC/boinc.git
338 lines
12 KiB
PHP
338 lines
12 KiB
PHP
<?php
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// This file contains support functions for display and editing
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// preferences (global and project).
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// Preferences are represented in two ways:
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// - As a PHP structure (usually called $prefs)
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// - As XML (usually called $prefs_xml)
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// Various functions are defined below for converting between these forms,
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// and also to/from HTML form elements
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// functions to parse preferences XML into a struct
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//
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// This XML has the general structure
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// <global_preferences>
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// <dont_run_if_user_active/>
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// <low_water_days>1.3</low_water_days>
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// ...
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// </global_preferences>
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//
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// and
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//
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// <project_preferences>
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// <resource_share>4</resource_share>
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// <project-specific>
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// ... (arbitrary project-specific XML)
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// </project-specific>
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// <send_email/>
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// <show_email/>
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// </project_preferences>
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global $text;
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global $parse_result;
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global $in_project_specific;
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// the following will parse either global or project prefs
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// TODO: split up into separate functions
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//
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function element_start($parser, $name, $attrs) {
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global $text;
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global $project;
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global $in_project_specific;
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switch($name) {
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case "project_specific":
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$in_project_specific = 1;
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$text = "";
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break;
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default:
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if ($in_project_specific) {
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$text= $text."<$name>";
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} else {
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$text = "";
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}
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}
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}
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function element_end($parser, $name) {
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global $text;
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global $parse_result;
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global $in_project_specific;
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switch($name) {
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case "project_specific":
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$parse_result->project_specific = $text;
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$in_project_specific = false;
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break;
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case "dont_run_on_batteries":
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$parse_result->dont_run_on_batteries = 1;
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break;
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case "dont_run_if_user_active":
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$parse_result->dont_run_if_user_active = 1;
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break;
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case "confirm_before_connecting":
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$parse_result->confirm_before_connecting = 1;
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break;
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case "low_water_days":
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$parse_result->low_water_days = $text;
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break;
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case "high_water_days":
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$parse_result->high_water_days = $text;
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break;
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case "disk_max_used_gb":
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$parse_result->disk_max_used_gb = $text;
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break;
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case "disk_max_used_pct":
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$parse_result->disk_max_used_pct = $text;
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break;
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case "disk_min_free_gb":
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$parse_result->disk_min_free_gb = $text;
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break;
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case "resource_share":
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$parse_result->resource_share = $text;
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break;
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case "show_email":
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$parse_result->show_email = $text;
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break;
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case "send_email":
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$parse_result->send_email = $text;
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break;
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case "global_preferences":
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break;
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case "project_preferences":
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break;
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default:
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if ($in_project_specific) {
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$text = $text."</$name>\n";
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} else {
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echo "Unknown tag: $name\n";
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}
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}
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}
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function char_handler($parser, $x) {
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global $text;
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$text = $text.$x;
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}
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function prefs_parse($prefs_xml) {
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global $parse_result;
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$parse_result = null;
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$parse_result->dont_run_on_batteries = 0;
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$parse_result->dont_run_if_user_active = 0;
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$parse_result->confirm_before_connecting = 0;
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$parse_result->low_water_days = 1;
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$parse_result->high_water_days = 3;
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$parse_result->disk_max_used_gb = 1000;
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$parse_result->disk_max_used_pct = 50;
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$parse_result->disk_min_free_gb = 1;
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$parse_result->resource_share = 1;
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$parse_result->show_email = 1;
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$parse_result->send_email = 1;
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$xml_parser = xml_parser_create();
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xml_parser_set_option($xml_parser, XML_OPTION_CASE_FOLDING, 0);
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xml_set_element_handler($xml_parser, "element_start", "element_end");
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xml_set_character_data_handler($xml_parser, "char_handler");
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xml_parse($xml_parser, $prefs_xml, 1);
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return $parse_result;
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}
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////////////////////////////////////////////
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//
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// display preference subsets, with Edit buttons
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//
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function prefs_show_global($prefs) {
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echo "<p>";
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echo "<table width=580 cellpadding=4>\n";
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echo "<tr>".TD2.LG_FONT."<b>Global preferences:</b></font></td></tr>\n";
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if ($prefs->dont_run_on_batteries) {
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$batteries = "No";
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} else {
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$batteries = "Yes";
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}
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if ($prefs->dont_run_if_user_active) {
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$in_use = "No";
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} else {
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$in_use = "Yes";
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}
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if ($prefs->confirm_before_connecting) {
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$confirm = "Yes";
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} else {
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$confirm = "No";
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}
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row2a("<b>Work if computer on batteries: </b>", $batteries);
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row2a("<b>Work if computer in use: </b>", $in_use);
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row2a("<b>Confirm before connecting to network: </b>", $confirm);
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row2a("<b>Minimum amount of work to buffer: </b>", "$prefs->low_water_days days");
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row2a("<b>Maximum amount of work to buffer: </b>", "$prefs->high_water_days days");
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echo "<p>";
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row2a("<b>Maximum disk space to use: </b>", "$prefs->disk_max_used_gb GB");
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row2a("<b>Minimum disk space to leave free: </b>", "$prefs->disk_min_free_gb GB");
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row2a("<b>Maximum % of disk allowed to used: </b>", "$prefs->disk_max_used_pct %");
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echo "<tr><td><a href=prefs_edit_global_form.php>Edit global preferences</a></td></tr>\n";
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echo "</table>\n";
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}
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function prefs_show_project($prefs) {
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echo "<p>";
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echo "<table width=580 cellpadding=4>\n";
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echo "<tr>".TD2.LG_FONT."<b>Project preferences:</b></font></td></tr>\n";
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row2a("<b>Resource Share: </b>", $prefs->resource_share);
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row2a("<b>Project Specific Preferences: </b>", htmlspecialchars($prefs->project_specific));
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echo "<tr><td><a href=prefs_edit_project_form.php>Edit project preferences</a></td></tr>\n";
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echo "</table>";
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}
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function print_prefs_display($user) {
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prefs_show_global(prefs_parse($user->global_prefs));
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prefs_show_project(prefs_parse($user->project_prefs));
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}
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////////////////////////////////////////////
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//
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// Functions to display preference subsets as forms
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//
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function prefs_form_global($user, $prefs) {
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echo "<form action=prefs_edit_global_action.php>\n";
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echo " <table cellpadding=6>\n";
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echo " <tr>\n";
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echo " <td align=right><b>Don't run if computer is on batteries</b></td>\n";
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printf(" <td><input type=checkbox name=dont_run_on_batteries %s></td>\n", $prefs->dont_run_on_batteries?"checked":"");
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echo " </tr>\n";
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echo " <tr>\n";
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echo " <td align=right><b>Don't run if user is active</b></td>\n";
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printf(" <td><input type=checkbox name=dont_run_if_user_active %s></td>\n", $prefs->dont_run_if_user_active?"checked":"");
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echo " </tr>\n";
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echo " <tr>\n";
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echo " <td align=right><b>Confirm before connecting</b></td>\n";
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printf(" <td><input type=checkbox name=confirm_before_connecting %s></td>\n", $prefs->confirm_before_connecting?"checked":"");
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echo " </tr>\n";
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echo " <tr>\n";
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echo " <td align=right><b>Minimum amount of work to buffer (days)</b></td>\n";
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printf(" <td><input size=5 name=low_water_days value='$prefs->low_water_days'></td>\n");
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echo " </tr>\n";
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echo " <tr>\n";
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echo " <td align=right><b>Maximum amount of work to buffer (days)</b></td>\n";
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printf(" <td><input size=5 name=high_water_days value='$prefs->high_water_days'></td>\n");
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echo " </tr>\n";
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echo " <tr>\n";
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echo " <td align=right><b>Maximum disk space allowed<br>to be used for BOINC (in MB)</b></td>\n";
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echo " <td><input size=7 name=disk_max_used_gb value='$prefs->disk_max_used_gb'></td>\n";
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echo " </tr>\n";
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echo " <tr>\n";
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echo " <td align=right><b>Minimum disk space to leave<br>free (in MB)</b></td>\n";
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echo " <td><input size=7 name=disk_min_free_gb value='$prefs->disk_min_free_gb'></td>\n";
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echo " </tr>\n";
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echo " <tr>\n";
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echo " <td align=right><b>Maximum % of disk space to<br>use for BOINC</b></td>\n";
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echo " <td><input size=5 name=disk_max_used_pct value='$prefs->disk_max_used_pct'></td>\n";
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echo " </tr>\n";
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echo " </table>\n";
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echo " <input type=submit value=\"Edit Preferences\">\n";
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echo "</form>\n";
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}
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function prefs_form_project($prefs) {
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echo "<form action=prefs_edit_project_action.php>\n";
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echo " <table cellpadding=6>\n";
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echo " <tr>\n";
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echo " <td align=right><b>Resource share:</b><br><font size=-1> (If projects";
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echo " compete for resources,<br>this is the fraction of resources you<br>choose to";
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echo " allocate to this project.)</font></td>\n";
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echo " <td><input name=resource_share value='$prefs->resource_share'></td>\n";
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echo " </tr>\n";
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echo " <tr>\n";
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echo " <td align=right><b>Project-specific preferences:</b></td>\n";
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echo " <td><input name=project_specific value='$prefs->project_specific'></td>\n";
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echo " </tr>\n";
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echo " <tr><td><br></td><td><input type=submit value=OK></td></tr>\n";
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echo " </table>\n";
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echo " </form>\n";
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}
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////////////////////////////////////////////
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//
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// Functions to parse form elements, modifying a preferences structure
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//
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function prefs_global_parse_form(&$prefs) {
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parse_str(getenv("QUERY_STRING"));
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$prefs->dont_run_on_batteries = isset($dont_run_on_batteries)?1:0;
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$prefs->dont_run_if_user_active = isset($dont_run_if_user_active)?1:0;
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$prefs->confirm_before_connecting = isset($confirm_before_connecting)?1:0;
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$prefs->low_water_days = $low_water_days;
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$prefs->high_water_days = $high_water_days;
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$prefs->disk_max_used_gb = $disk_max_used_gb;
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$prefs->disk_max_used_pct = $disk_max_used_pct;
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$prefs->disk_min_free_gb = $disk_min_free_gb;
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}
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function prefs_project_parse_form(&$prefs) {
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parse_str(getenv("QUERY_STRING"));
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$prefs->resource_share = $resource_share;
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$prefs->project_specific = $project_specific;
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}
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////////////////////////////////////////////
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//
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// convert prefs from structure to XML
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//
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function global_prefs_make_xml($prefs) {
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$xml = "<global_preferences>\n";
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$now = time();
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$xml = $xml."<mod_time>$now</mod_time>\n";
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if ($prefs->dont_run_on_batteries) {
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$xml = $xml."<dont_run_on_batteries/>\n";
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}
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if ($prefs->dont_run_if_user_active) {
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$xml = $xml."<dont_run_if_user_active/>\n";
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}
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if ($prefs->confirm_before_connecting) {
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$xml = $xml."<confirm_before_connecting/>\n";
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}
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$xml = $xml."<low_water_days>$prefs->low_water_days</low_water_days>
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<high_water_days>$prefs->high_water_days</high_water_days>
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";
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$xml = $xml."
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<disk_max_used_gb>$prefs->disk_max_used_gb</disk_max_used_gb>
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<disk_max_used_pct>$prefs->disk_max_used_pct</disk_max_used_pct>
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<disk_min_free_gb>$prefs->disk_min_free_gb</disk_min_free_gb>";
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$xml = $xml."</global_preferences>\n";
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return $xml;
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}
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function project_prefs_make_xml($prefs) {
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$xml = "<project_preferences>\n";
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$xml = $xml
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."<resource_share>$prefs->resource_share</resource_share>\n"
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."<project_specific>\n$prefs->project_specific\n</project_specific>\n";
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$xml = $xml."</project_preferences>\n";
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return $xml;
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}
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////////////////////////////////////////////
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//
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// Update user's prefs in database, from a given structure
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//
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function global_prefs_update($user, $prefs) {
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$prefs_xml = global_prefs_make_xml($prefs);
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mysql_query("update user set global_prefs='$prefs_xml' where id=$user->id");
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$user->global_prefs = $prefs_xml;
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}
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function project_prefs_update($user, $prefs) {
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$prefs_xml = project_prefs_make_xml($prefs);
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mysql_query("update user set project_prefs='$prefs_xml' where id=$user->id");
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$user->project_prefs = $prefs_xml;
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}
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?>
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