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Annotation of doc/window_handling.txt, revision 1.3

1.1       harris41    1: The following files have window handling:
                      2: (find . -type f | xargs grep -s -l -i '<script' | xargs grep -s -l -i '\.open')
                      3: 
                      4: ./loncom/homework/lonhomework.pm
                      5: ./loncom/html/res/adm/pages/annotator/admannotations.pm
                      6: ./loncom/html/res/adm/pages/homeworkmenu.html
                      7: ./loncom/html/res/adm/pages/menu.html
                      8: ./loncom/html/res/adm/pages/bookmarkmenu/bookmarkpal_old.html
                      9: ./loncom/interface/londropadd.pm
                     10: ./loncom/interface/lonmenu.pm
                     11: ./loncom/interface/lonnavmaps.pm
                     12: ./loncom/interface/lonparmset.pm
                     13: ./loncom/interface/loncreateuser.pm
                     14: ./loncom/xml/scripttag.pm
                     15: ./rat/client/code.html
                     16: ./rat/client/parameter.html
                     17: 
                     18: things that refer to loncapaclient
                     19: find . -type f | xargs grep loncapaclient
                     20: 
                     21: #########################################
                     22: # ./loncom/html/res/adm/pages/menu.html
                     23: #
                     24: 
                     25: clienthost=window.location.host;
                     26: clientwindow=opener;
                     27: 
                     28: function windowcheck() {
                     29:    if (clientwindow.closed) {
                     30:       clientwindow=window.open("http://"+clienthost+"/"); 
                     31:    }
                     32:    clientwindow.name='loncapaclient';
                     33: }
                     34: 
                     35: function logout () {
                     36:    windowcheck();
                     37:    if (clientwindow.status!='MenuControl:nologout')
                     38:    {   
                     39:       clientwindow.window.location.href="http://"+clienthost+"/adm/logout";
                     40:    }
                     41: }
                     42: 
1.2       harris41   43: 
                     44: 
                     45: The way that children windows of 
                     46: loncapaclient should work:
                     47: 
                     48: * need to track if they have ever been opened
                     49: * if not,
                     50:    * open when needed
                     51:    * never refer to any object properties
1.3     ! harris41   52:      * which also means never close
1.2       harris41   53: * if currently open,
                     54:    * just focus when needed
                     55:    * close when needed
                     56:    * can refer to object properties
                     57: * if have been closed,
                     58:    * can refer to object properties
                     59: 
1.3     ! harris41   60: The way loncapaclient window "should" work.
1.2       harris41   61: * lonxml makes exceptions for some URI=resources like
                     62:  * /res/adm/pages/menu.html
                     63:  * bookmark stuff.html
                     64: * lonxml should by default
                     65:  * a script command should follow the body tag
                     66:    and 
1.3     ! harris41   67:    * name the window (loncapaclientURICHECKSUM)
1.2       harris41   68:    * tell remote control it exists
1.3     ! harris41   69:    * remote control checks clientwindow (opener)
        !            70:      and if opener.name is loncapaclientURICHECKSUM
1.2       harris41   71:      it changes this to loncapaclient
                     72: