--- loncom/interface/lonhtmlcommon.pm	2012/05/04 19:03:18	1.312
+++ loncom/interface/lonhtmlcommon.pm	2012/05/09 19:46:30	1.313
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common html routines
 #
-# $Id: lonhtmlcommon.pm,v 1.312 2012/05/04 19:03:18 raeburn Exp $
+# $Id: lonhtmlcommon.pm,v 1.313 2012/05/09 19:46:30 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1874,15 +1874,19 @@ returns: nothing
 my @row_count;
 
 sub start_pick_box {
-    my ($css_class) = @_;
+    my ($css_class,$id) = @_;
     if (defined($css_class)) {
 	$css_class = 'class="'.$css_class.'"';
     } else {
 	$css_class= 'class="LC_pick_box"';
     }
+    my $table_id;
+    if (defined($id)) {
+        $table_id = ' id="'.$id.'"';
+    }
     unshift(@row_count,0);
     my $output = <<"END";
- <table $css_class>
+ <table $css_class $table_id>
 END
     return $output;
 }
@@ -2214,15 +2218,19 @@ sub resource_info_box {
 # 1. number to display.
 #    If input for number is empty only the title will be displayed. 
 # 2. title text to display.
+# 3. optional id for the <div>
 # Outputs - a scalar containing html mark-up for the div.
 
 sub topic_bar {
-    my ($num,$title) = @_;
+    my ($num,$title,$id) = @_;
     my $number = '';
     if ($num ne '') {
         $number = '<span>'.$num.'</span>';
     }
-    return '<div class="LC_topic_bar">'.$number.$title.'</div>';
+    if ($id ne '') {
+        $id = 'id="'.$id.'"';
+    }
+    return '<div class="LC_topic_bar" '.$id.'>'.$number.$title.'</div>';
 }
 
 ##############################################
@@ -2685,6 +2693,270 @@ ENDSCRIPT
 
 ##############################################
 ##############################################
+
+sub resize_scrollbox_js {
+    my ($context,$tabidstr) = @_;
+    my (%names,$paddingwfrac,$offsetwfrac,$offsetv,$minw,$minv);
+    if ($context eq 'docs') {
+        %names = (
+                   boxw   => 'contenteditor',
+                   item   => 'contentlist',
+                   header => 'uploadfileresult',
+                   scroll => 'contentscroll',
+                   boxh   => 'contenteditor',
+                 );
+        $paddingwfrac = 0.09; 
+        $offsetwfrac = 0.015;
+        $offsetv = 20;
+        $minw = 250;
+        $minv = 200;
+    } elsif ($context eq 'params') {
+        %names = (
+                   boxw   => 'parameditor',
+                   item   => 'mapmenuinner',
+                   header => 'parmstep1',
+                   scroll => 'mapmenuscroll',
+                   boxh   => 'parmlevel',
+                 );
+        $paddingwfrac = 0.2;
+        $offsetwfrac = 0.015;
+        $offsetv = 80;
+        $minw = 100;
+        $minv = 100; 
+    }
+    my $viewport_js = &Apache::loncommon::viewport_geometry_js();
+    my $output = '
+
+window.onresize=callResize;
+
+';
+    if ($context eq 'docs') {
+        $output .= '
+var activeTab;
+';
+    }
+    $output .=  <<"FIRST";
+
+$viewport_js
+
+function resize_scrollbox(scrollboxname,chkw,chkh) {
+    var scrollboxid = 'div_'+scrollboxname;
+    var scrolltableid = 'table_'+scrollboxname;
+    var scrollbox;
+    var scrolltable;
+
+    if (document.getElementById("$names{'boxw'}") == null) {
+        return;
+    }
+
+    if (document.getElementById(scrollboxid) == null) {
+        return;
+    } else {
+        scrollbox = document.getElementById(scrollboxid);
+    }
+
+
+    if (document.getElementById(scrolltableid) == null) {
+        return;
+    } else {
+        scrolltable = document.getElementById(scrolltableid);
+    }
+
+    init_geometry();
+    var vph = Geometry.getViewportHeight();
+    var vpw = Geometry.getViewportWidth();
+
+FIRST
+    if ($context eq 'docs') {
+        $output .= "
+    var alltabs = ['$tabidstr'];
+";
+    } elsif ($context eq 'params') {
+        $output .= "
+    if (document.getElementById('$names{'boxh'}') == null) {
+        return;
+    }
+";
+    }
+    $output .= <<"SECOND";
+    var listwchange;
+    if (chkw == 1) {
+        var boxw = document.getElementById("$names{'boxw'}").offsetWidth;
+        var itemw;
+        var itemid = document.getElementById("$names{'item'}");
+        if (itemid != null) {
+            itemw = itemid.offsetWidth;
+        }
+        var itemwstart = itemw;
+
+        var scrollboxw = scrollbox.offsetWidth;
+        var scrollboxscrollw = scrollbox.scrollWidth;
+
+        var offsetw = parseInt(vpw * $offsetwfrac);
+        var paddingw = parseInt(vpw * $paddingwfrac);
+
+        var minscrollboxw = $minw;
+        var maxcolw = 0;
+SECOND
+    if ($context eq 'docs') {
+        $output .= <<"DOCSONE";
+        var actabw = 0;
+        for (var i=0; i<alltabs.length; i++) {
+            if (activeTab == alltabs[i]) {
+                actabw = document.getElementById(alltabs[i]).offsetWidth;
+                if (actabw > maxcolw) {
+                    maxcolw = actabw;
+                }
+            } else {
+                if (document.getElementById(alltabs[i]) != null) {
+                    var thistab = document.getElementById(alltabs[i]);
+                    thistab.style.visibility = 'hidden';
+                    thistab.style.display = 'block';
+                    var tabw = document.getElementById(alltabs[i]).offsetWidth;
+                    thistab.style.display = 'none';
+                    thistab.style.visibility = '';
+                    if (tabw > maxcolw) {
+                        maxcolw = tabw;
+                    }
+                }
+            }
+        }
+DOCSONE
+    } elsif ($context eq 'params') {
+        $output .= <<"PARAMSONE";
+        var parmlevelrows = new Array();
+        var mapmenucells = new Array();
+        parmlevelrows = document.getElementById("$names{'boxh'}").rows;
+        var numrows = parmlevelrows.length;
+        if (numrows > 1) {
+            mapmenucells = parmlevelrows[2].getElementsByTagName('td');
+        }
+        maxcolw = mapmenucells[0].offsetWidth;
+PARAMSONE
+    }
+    $output .= <<"THIRD";
+        if (maxcolw > 0) {
+            var newscrollboxw;
+            if (maxcolw+paddingw+scrollboxscrollw<boxw) {
+                newscrollboxw = boxw-paddingw-maxcolw;
+                if (newscrollboxw < minscrollboxw) {
+                    newscrollboxw = minscrollboxw;
+                }
+                scrollbox.style.width = newscrollboxw+"px";
+                if (newscrollboxw != scrollboxw) {
+                    var newitemw = newscrollboxw-offsetw;
+                    itemid.style.width = newitemw+"px";
+                }
+            } else {
+                newscrollboxw = boxw-paddingw-maxcolw;
+                if (newscrollboxw < minscrollboxw) {
+                    newscrollboxw = minscrollboxw;
+                }
+                scrollbox.style.width = newscrollboxw+"px";
+                if (newscrollboxw != scrollboxw) {
+                    var newitemw = newscrollboxw-offsetw;
+                    itemid.style.width = newitemw+"px";
+                }
+            }
+
+            if (newscrollboxw != scrollboxw) {
+                var newscrolltablew = newscrollboxw+offsetw;
+                scrolltable.style.width = newscrolltablew+"px";
+            }
+        }
+
+        if (itemid.offsetWidth != itemwstart) {
+            listwchange = 1;
+        }
+THIRD
+    if ($context eq 'docs') {
+        $output .= <<"DOCSTWO";
+        if (activeTab == 'cc1') {
+            if (document.getElementById('cc_hrule') != null) {
+                document.getElementById('cc_hrule').style.width=actabw+"px";
+            }
+        } else {
+            if (activeTab == 'bb1') {
+                if (document.getElementById('bb_hrule') != null) {
+                    document.getElementById('bb_hrule').style.width=actabw+"px";
+                }
+            } else {
+                if (activeTab == 'ee2') {
+                    if (document.getElementById('ee_hrule') != null) {
+                        document.getElementById('ee_hrule').style.width=actabw+"px";
+                    }
+                }
+            }
+        }
+DOCSTWO
+    }
+    $output .= <<"FOURTH";
+    }
+    if ((chkh == 1) || (listwchange)) {
+        var primaryheight = document.getElementById('LC_nav_bar').offsetHeight;
+        var secondaryheight = document.getElementById('LC_secondary_menu').offsetHeight;
+        var crumbsheight = document.getElementById('LC_breadcrumbs').offsetHeight;
+        var dccidheight = 0;
+        if (document.getElementById('dccid') != null) {
+            dccidheight = document.getElementById('dccid').offsetHeight;
+        }
+        var headerheight = 0;
+        if (document.getElementById("$names{'header'}") != null) {
+            headerheight = document.getElementById("$names{'header'}").offsetHeight;
+        }
+        var tabbedheight = document.getElementById("tabbededitor").offsetHeight;
+        var boxheight = document.getElementById("$names{'boxh'}").offsetHeight;
+        var freevspace = vph-(primaryheight+secondaryheight+crumbsheight+dccidheight+headerheight+tabbedheight+boxheight);
+
+        var scrollboxheight = scrollbox.offsetHeight;
+        var scrollboxscrollheight = scrollbox.scrollHeight;
+
+        var minvscrollbox = $minv;
+        var offsetv = $offsetv;
+        var newscrollboxheight;
+        if (freevspace < 0) {
+            newscrollboxheight = scrollboxheight+freevspace-offsetv;
+            if (newscrollboxheight < minvscrollbox) {
+                newscrollboxheight = minvscrollbox;
+            }
+            scrollbox.style.height = newscrollboxheight + "px";
+        } else {
+            if (scrollboxscrollheight > scrollboxheight) {
+                if (freevspace > offsetv) {
+                    newscrollboxheight = scrollboxheight+freevspace-offsetv;
+                    if (newscrollboxheight < minvscrollbox) {
+                        newscrollboxheight = minvscrollbox;
+                    }
+                    scrollbox.style.height = newscrollboxheight+"px";
+                }
+            }
+        }
+        scrollboxheight = scrollbox.offsetHeight;
+        var itemh = document.getElementById("$names{'item'}").offsetHeight;
+
+        if (scrollboxscrollheight <= scrollboxheight) {
+            if ((itemh+offsetv)<scrollboxheight) {
+                newscrollheight = itemh+offsetv;
+                scrollbox.style.height = newscrollheight+"px";
+            }
+        }
+    }
+    return;
+}
+
+function callResize() {
+    var timer;
+    clearTimeout(timer);
+    timer=setTimeout('resize_scrollbox("$names{'scroll'}","1","1")',500);
+}
+
+FOURTH
+    return $output;
+}
+
+
+##############################################
+##############################################
 
 # javascript_valid_email
 #