koha-tmpl/opac-tmpl/prog/en/js/tags.js

   1 if (typeof KOHA == "undefined" || !KOHA) {
   2     var KOHA = {};
   3 }
   4
   5 /**
   6 * A namespace for Tags related functions.
   7 * readCookie is expected to already be declared.  That's why the assignment below is unscoped.
   8 * readCookie should be from basket.js or undefined.
   9
  10 $.ajaxSetup({
  11         url: "/cgi-bin/koha/opac-tags.pl",
  12         type: "POST",
  13         dataType: "script"
  14 });
  15 */
  16 if (typeof(readCookie) == "undefined") {
  17         readCookie = function (name) { // from http://www.quirksmode.org/js/cookies.html
  18                 var nameEQ = name + "=";
  19                 var ca = document.cookie.split(';');
  20                 for(var i=0;i < ca.length;i++) {
  21                         var c = ca[i];
  22                         while (c.charAt(0)==' '){ c = c.substring(1,c.length); }
  23                         if (c.indexOf(nameEQ) == 0){ return c.substring(nameEQ.length,c.length); }
  24                 }
  25                 return null;
  26         }
  27 }
  28 KOHA.Tags = {
  29         add_tag_button: function(){
  30                 var mybibnum = $(this).attr("title");
  31                 var mynewtag = "newtag" + mybibnum;
  32                 var mytagid = "#" + mynewtag;
  33                 var mydata = {CGISESSID: readCookie('CGISESSID')};      // Someday this should be OPACSESSID
  34                 mydata[mynewtag] = $(mytagid).val();    // need [bracket] for variable property id
  35                 var response;   // AJAX from server will assign value to response.
  36                 $.post(
  37                         "/cgi-bin/koha/opac-tags.pl",
  38                         mydata,
  39                         function(data){
  40                                 // alert("AJAX Response: " + data);
  41                                 eval(data);
  42                                 // alert("counts: " + response["added"] + response["deleted"] + response["errors"]);
  43                                 KOHA.Tags.set_tag_status(
  44                                         mytagid + "_status",
  45                                         KOHA.Tags.common_status(response["added"], response["deleted"], response["errors"])
  46                                 );
  47                                 if (response.alerts) {
  48                                         alert(response.alerts.join("\n\n"));
  49                                 }
  50                         },
  51                         'script'
  52                 );
  53                 return false;
  54         },
  55         common_status : function(addcount, delcount, errcount) {
  56             var cstat = "";
  57             if (addcount && addcount > 0) {cstat += "Added "   + addcount + (addcount==1 ? " tag" : " tags") + ".  " ;}
  58             if (delcount && delcount > 0) {cstat += "Deleted " + delcount + (delcount==1 ? " tag" : " tags") + ".  " ;}
  59             if (errcount && errcount > 0) {cstat += (errcount==1 ? "ERROR" : errcount + " ERRORS") + " during operation.";}
  60             return cstat;
  61         },
  62         set_tag_status : function(tagid, newstatus) {
  63                 $(tagid).html(newstatus);
  64                 $(tagid).css({display:"inline"});
  65         },
  66
  67         tag_message: {
  68         tagsdisabled : function(arg) {return (_("Sorry, tags are not enabled on this system."));},
  69         scrubbed_all_bad : function(arg) {return (_("Error! Your tag was entirely markup code.  It was NOT added.  Please try again with plain text."));},
  70         badparam : function(arg) {return (_("Error! Illegal parameter '" +arg+ "'."));},
  71         scrubbed : function(arg) {return (_("Note: your tag contained markup code that was removed. The tag was added as '" +arg+ "'."));},
  72     failed_add_tag : function(arg) {return (_("Error! The add_tag operation failed on '" +arg+ "'.  Note: you can only tag an item with a given term once.  Check 'My Tags' to see your current tags."));},
  73     failed_delete  : function(arg) {return (_("Error! You cannot delete the tag '" +arg+ "'.  Note: you can only delete your own tags."));},
  74         login : function(arg) {return (_("You must be logged in to add tags."));}
  75         },
  76
  77     // Used to tag multiple items at once.  The main difference
  78     // is that status is displayed on a per item basis.
  79     add_multitags_button : function(bibarray, tag){
  80                 var mydata = {CGISESSID: readCookie('CGISESSID')};      // Someday this should be OPACSESSID
  81         for (var i = 0; i < bibarray.length; i++) {
  82             var mynewtag = "newtag" + bibarray[i];
  83             mydata[mynewtag] = tag;
  84         }
  85                 var response;   // AJAX from server will assign value to response.
  86                 $.post(
  87                         "/cgi-bin/koha/opac-tags.pl",
  88                         mydata,
  89                         function(data){
  90                                 eval(data);
  91                 $(".tagstatus").empty();
  92                 var bibErrors = false;
  93
  94                 // Display the status for each tagged bib
  95                 for (var i = 0; i < bibarray.length; i++) {
  96                     var bib = bibarray[i];
  97                     var mytagid = "#newtag" + bib;
  98                     var status = "";
  99
 100                     // Number of tags added.
 101                     if (response[bib]) {
 102                         var added = response[bib]["added"];
 103                         if (added > 0) {
 104                             status = "Added " + added + (added == 1 ? " tag" : " tags") + ".  ";
 105                                         KOHA.Tags.set_tag_status(mytagid + "_status", status);
 106                         }
 107
 108                         // Show a link that opens an error dialog, if necessary.
 109                         var errors = response[bib]["errors"];
 110                         if (errors.length > 0) {
 111                             bibErrors = true;
 112                             var errid = "tagerr_" + bib;
 113                             var errstat = "<a id=\"" + errid + "\" class=\"tagerror\" href=\"#\">";
 114                             errstat += "Error" + (errors.length > 1 ? "s" : "") + " adding tag.";
 115                             errstat += "</a>";
 116                                             KOHA.Tags.append_tag_status(mytagid + "_status", errstat);
 117                             var errmsg = "";
 118                             for (var e = 0; e < errors.length; e++){
 119                                 if (e) {
 120                                     errmsg += "\n\n";
 121                                 }
 122                                 errmsg += errors[e];
 123                             }
 124                             $("#" + errid).click(function(){
 125                                 alert(errmsg);
 126                             });
 127                         }
 128                     }
 129                 }
 130
 131                 if (bibErrors || response["global_errors"]) {
 132                     var msg = "";
 133                     if (bibErrors) {
 134                         msg = "Unable to add one or more tags.";
 135                     }
 136
 137                     // Show global errors in a dialog.
 138                     if (response["global_errors"]) {
 139                         var global_errors = response["global_errors"];
 140                         var msg;
 141                         for (var e = 0; e < global_errors.length; e++) {
 142                             msg += "\n\n";
 143                             msg += response.alerts[global_errors[e]];
 144                         }
 145                     }
 146                     alert(msg);
 147                 }
 148                         },
 149                         'script'
 150                 );
 151                 return false;
 152     }
 153 };
 154