- Bolt maps

svn path=/trunk/boinc/; revision=14778

bolt_checkin_notes.txt

@@ -130,3 +130,12 @@ David  Feb 8 2008
 
     html/inc
         bolt_ex.inc
+
+David  Feb 22 2008
+    - added sketchy implementation of Maps
+
+    html/
+        inc/
+            bolt.inc
+        ops/
+            bolt_map.php

html/inc/bolt.inc

@@ -192,6 +192,22 @@ class BoltSet extends BoltUnit {
         }
         return false;
     }
+
+    // return the name of our child, if we exist in the state
+    //
+    function get_child($state) {
+        if (array_key_exists($this->name, $state)) {
+            $state_rec = $state[$this->name];
+            $child_name = $state_rec['child_name'];
+            foreach($this->units as $c) {
+                if ($c->name == $child_name) {
+                    return $c;
+                }
+            }
+        }
+        return null;
+    }
+
 }
 
 function name($n) {

html/ops/bolt_map.php

@@ -0,0 +1,73 @@
+<?php
+require_once("../inc/bolt_db.inc");
+require_once("../inc/bolt.inc");
+
+// return true if the given state is still in the course
+//
+function consistent($view, $state, $unit) {
+    while (1) {
+        if ($unit->name == $view->item_name) return true;
+        if ($unit->is_item) {
+            echo "ERROR: $unit->name $view->item_name <pre>";
+            print_r($state);
+            print_r($view);
+            return null;
+        }
+        $unit = $unit->get_child($state);
+        if (!$unit) return null;
+    }
+}
+
+function add_to_totals($view, $state, &$unit) {
+    $u = $unit;
+    while (1) {
+        $u->nviews++;
+        if ($u->is_item) return;
+        $u = $u->get_child($state);
+        if (!$u) {
+            echo "ERROR - NOT ITEM";
+        }
+    }
+}
+
+function init_totals(&$unit) {
+    $unit->nviews = 0;
+    if ($unit->is_item) return;
+    foreach ($unit->units as $u) {
+        init_totals($u);
+    }
+}
+
+function show_totals($unit, $level) {
+    for ($i=0; $i<$level; $i++) echo '  ';
+    echo "$unit->name: $unit->nviews\n";
+    if ($unit->is_item) return;
+    foreach ($unit->units as $u) {
+        show_totals($u, $level+1);
+    }
+}
+
+// scan the course's views and total up counts
+//
+function count_views($course, &$top_unit) {
+    $views = BoltView::enum("course_id=$course->id");
+    init_totals($top_unit);
+    foreach ($views as $view) {
+        $state = json_decode($view->state, true);
+        if (consistent($view, $state, $top_unit)) {
+            add_to_totals($view, $state, $top_unit);
+        }
+    }
+}
+
+$course_id = get_int('course_id');
+$course = BoltCourse::lookup_id($course_id);
+if (!$course) error_page("no course");
+$top_unit = require_once("../user/$course->doc_file");
+
+echo "<pre>";
+count_views($course, $top_unit);
+show_totals($top_unit, 0);
+echo "</pre>";
+
+?>