src/mkws-widgets.js

   1 // Factory function for widget objects.
   2 function widget($, team, type, node) {
   3     var that = {
   4         team: team,
   5         type: type,
   6         node: node
   7     };
   8
   9     function log(s) {
  10         team.log(s);
  11     }
  12     that.log = log;
  13
  14     that.toString = function() {
  15         return '[Widget ' + team.name() + ':' + type + ']';
  16     }
  17
  18     var promote = mkws.promotionFunction(type);
  19     if (promote) {
  20         promote.call(that);
  21         log("made " + type + " widget(node=" + node + ")");
  22     } else {
  23         log("made UNENCAPSULATED widget(type=" + type + ", node=" + node + ")");
  24     }
  25
  26     return that;
  27 }
  28
  29
  30     // Functions follow for promoting the regular widget object into
  31     // widgets of specific types. These could be moved outside of the
  32     // widget object, or even into their own source files.
  33
  34     function promoteTargets() {
  35         var that = this;
  36         var M = mkws.M;
  37
  38         this.team.queue("targets").subscribe(function(data) {
  39             var table ='<table><thead><tr>' +
  40                 '<td>' + M('Target ID') + '</td>' +
  41                 '<td>' + M('Hits') + '</td>' +
  42                 '<td>' + M('Diags') + '</td>' +
  43                 '<td>' + M('Records') + '</td>' +
  44                 '<td>' + M('State') + '</td>' +
  45                 '</tr></thead><tbody>';
  46
  47             for (var i = 0; i < data.length; i++) {
  48                 table += "<tr><td>" + data[i].id +
  49                     "</td><td>" + data[i].hits +
  50                     "</td><td>" + data[i].diagnostic +
  51                     "</td><td>" + data[i].records +
  52                     "</td><td>" + data[i].state + "</td></tr>";
  53             }
  54
  55             table += '</tbody></table>';
  56             var subnode = $(that.node).children('.mkwsBytarget');
  57             subnode.html(table);
  58         });
  59     }
  60
  61
  62     function promoteStat() {
  63         var that = this;
  64         var M = mkws.M;
  65
  66         this.team.queue("stat").subscribe(function(data) {
  67             if (that.node.length === 0)  alert("huh?!");
  68
  69             $(that.node).html('<span class="head">' + M('Status info') + '</span>' +
  70                 ' -- ' +
  71                 '<span class="clients">' + M('Active clients') + ': ' + data.activeclients + '/' + data.clients + '</span>' +
  72                 ' -- ' +
  73                 '<span class="records">' + M('Retrieved records') + ': ' + data.records + '/' + data.hits + '</span>');
  74         });
  75     }
  76
  77
  78     function promoteTermlists() {
  79         var that = this;
  80         var M = mkws.M;
  81
  82         this.team.queue("termlists").subscribe(function(data) {
  83             if (!that.node) {
  84                 alert("termlists event when there are no termlists");
  85                 return;
  86             }
  87
  88             // no facets: this should never happen
  89             if (!mkws_config.facets || mkws_config.facets.length == 0) {
  90                 alert("onTerm called even though we have no facets: " + $.toJSON(data));
  91                 $(that.node).hide();
  92                 return;
  93             }
  94
  95             // display if we first got results
  96             $(that.node).show();
  97
  98             var acc = [];
  99             acc.push('<div class="title">' + M('Termlists') + '</div>');
 100             var facets = mkws_config.facets;
 101
 102             for (var i = 0; i < facets.length; i++) {
 103                 if (facets[i] == "xtargets") {
 104                     addSingleFacet(acc, "Sources",  data.xtargets, 16, null);
 105                 } else if (facets[i] == "subject") {
 106                     addSingleFacet(acc, "Subjects", data.subject,  10, "subject");
 107                 } else if (facets[i] == "author") {
 108                     addSingleFacet(acc, "Authors",  data.author,   10, "author");
 109                 } else {
 110                     alert("bad facet configuration: '" + facets[i] + "'");
 111                 }
 112             }
 113
 114             $(that.node).html(acc.join(''));
 115
 116             function addSingleFacet(acc, caption, data, max, pzIndex) {
 117                 var teamName = that.team.name();
 118                 acc.push('<div class="facet mkwsFacet' + caption + ' mkwsTeam_' + teamName + '">');
 119                 acc.push('<div class="termtitle">' + M(caption) + '</div>');
 120                 for (var i = 0; i < data.length && i < max; i++) {
 121                     acc.push('<div class="term">');
 122                     acc.push('<a href="#" ');
 123                     var action = '';
 124                     if (!pzIndex) {
 125                         // Special case: target selection
 126                         acc.push('target_id='+data[i].id+' ');
 127                         if (!that.team.targetFiltered(data[i].id)) {
 128                             action = 'mkws.limitTarget(\'' + teamName + '\', this.getAttribute(\'target_id\'),this.firstChild.nodeValue)';
 129                         }
 130                     } else {
 131                         action = 'mkws.limitQuery(\'' + teamName + '\', \'' + pzIndex + '\', this.firstChild.nodeValue)';
 132                     }
 133                     acc.push('onclick="' + action + ';return false;">' + data[i].name + '</a>'
 134                              + ' <span>' + data[i].freq + '</span>');
 135                     acc.push('</div>');
 136                 }
 137                 acc.push('</div>');
 138             }
 139         });
 140     }
 141
 142
 143     function promotePager() {
 144         var that = this;
 145         var M = mkws.M;
 146
 147         this.team.queue("pager").subscribe(function(data) {
 148             $(that.node).html(drawPager(data))
 149
 150             function drawPager(data) {
 151                 var teamName = that.team.name();
 152                 var s = '<div style="float: right">' + M('Displaying') + ': '
 153                     + (data.start + 1) + ' ' + M('to') + ' ' + (data.start + data.num) +
 154                     ' ' + M('of') + ' ' + data.merged + ' (' + M('found') + ': '
 155                     + data.total + ')</div>';
 156
 157                 //client indexes pages from 1 but pz2 from 0
 158                 var onsides = 6;
 159                 var pages = Math.ceil(that.team.totalRecordCount() / that.team.perpage());
 160                 var currentPage = that.team.currentPage();
 161
 162                 var firstClkbl = (currentPage - onsides > 0)
 163                     ? currentPage - onsides
 164                     : 1;
 165
 166                 var lastClkbl = firstClkbl + 2*onsides < pages
 167                     ? firstClkbl + 2*onsides
 168                     : pages;
 169
 170                 var prev = '<span class="mkwsPrev">&#60;&#60; ' + M('Prev') + '</span><b> | </b>';
 171                 if (currentPage > 1)
 172                     prev = '<a href="#" class="mkwsPrev" onclick="mkws.pagerPrev(\'' + teamName + '\');">'
 173                     +'&#60;&#60; ' + M('Prev') + '</a><b> | </b>';
 174
 175                 var middle = '';
 176                 for(var i = firstClkbl; i <= lastClkbl; i++) {
 177                     var numLabel = i;
 178                     if(i == currentPage)
 179                         numLabel = '<b>' + i + '</b>';
 180
 181                     middle += '<a href="#" onclick="mkws.showPage(\'' + teamName + '\', ' + i + ')"> '
 182                         + numLabel + ' </a>';
 183                 }
 184
 185                 var next = '<b> | </b><span class="mkwsNext">' + M('Next') + ' &#62;&#62;</span>';
 186                 if (pages - currentPage > 0)
 187                     next = '<b> | </b><a href="#" class="mkwsNext" onclick="mkws.pagerNext(\'' + teamName + '\')">'
 188                     + M('Next') + ' &#62;&#62;</a>';
 189
 190                 var predots = '';
 191                 if (firstClkbl > 1)
 192                     predots = '...';
 193
 194                 var postdots = '';
 195                 if (lastClkbl < pages)
 196                     postdots = '...';
 197
 198                 s += '<div style="float: clear">'
 199                     + prev + predots + middle + postdots + next + '</div>';
 200
 201                 return s;
 202             }
 203         });
 204     }
 205
 206
 207     function promoteRecords() {
 208         var that = this;
 209         var team = this.team;
 210
 211         this.team.queue("records").subscribe(function(data) {
 212             var html = [];
 213             for (var i = 0; i < data.hits.length; i++) {
 214                 var hit = data.hits[i];
 215                 var divId = team.recordElementId(hit.recid[0]);
 216                 html.push('<div class="record mkwsTeam_' + team.name() + ' ' + divId + '">', renderSummary(hit), '</div>');
 217                 // ### At some point, we may be able to move the
 218                 // m_currentRecordId and m_currentRecordData members
 219                 // from the team object into this widget.
 220                 if (hit.recid == team.currentRecordId()) {
 221                     if (team.currentRecordData())
 222                         html.push(team.renderDetails(team.currentRecordData()));
 223                 }
 224             }
 225             $(that.node).html(html.join(''));
 226
 227             function renderSummary(hit)
 228             {
 229                 var template = team.loadTemplate("Summary");
 230                 hit._id = team.recordElementId(hit.recid[0]);
 231                 hit._onclick = "mkws.showDetails('" + team.name() + "', '" + hit.recid[0] + "');return false;"
 232                 return template(hit);
 233             }
 234         });
 235     }
 236
 237
 238     function promoteNavi() {
 239         var that = this;
 240         var teamName = this.team.name();
 241         var M = mkws.M;
 242
 243         this.team.queue("navi").subscribe(function() {
 244             var filters = that.team.filters();
 245             var text = "";
 246
 247             for (var i in filters) {
 248                 if (text) {
 249                     text += " | ";
 250                 }
 251                 var filter = filters[i];
 252                 if (filter.id) {
 253                     text += M('source') + ': <a class="crossout" href="#" onclick="mkws.delimitTarget(\'' + teamName +
 254                         "', '" + filter.id + "'" + ');return false;">' + filter.name + '</a>';
 255                 } else {
 256                     text += M(filter.field) + ': <a class="crossout" href="#" onclick="mkws.delimitQuery(\'' + teamName +
 257                         "', '" + filter.field + "', '" + filter.value + "'" +
 258                         ');return false;">' + filter.value + '</a>';
 259                 }
 260             }
 261
 262             $(that.node).html(text);
 263         });
 264     }
 265
 266
 267     function promoteSort() {
 268         // It seems this and the Perpage widget doen't need to
 269         // subscribe to anything, since they produce events rather
 270         // than consuming them.
 271         $(this.node).change(function () {
 272             this.team.set_sortOrder($(node).val());
 273             if (this.team.submitted()) {
 274                 this.team.resetPage();
 275                 this.team.reShow();
 276             }
 277             return false;
 278         });
 279     }
 280
 281
 282     function promotePerpage() {
 283         $(this.node).change(function() {
 284             this.team.set_perpage($(node).val());
 285             if (this.team.submitted()) {
 286                 this.team.resetPage();
 287                 this.team.reShow();
 288             }
 289             return false;
 290         });
 291     }
 292
 293     mkws.registerWidgetType('Targets', promoteTargets);
 294     mkws.registerWidgetType('Stat', promoteStat);
 295     mkws.registerWidgetType('Termlists', promoteTermlists);
 296     mkws.registerWidgetType('Pager', promotePager);
 297     mkws.registerWidgetType('Records', promoteRecords);
 298     mkws.registerWidgetType('Navi', promoteNavi);
 299     mkws.registerWidgetType('Sort', promoteSort);
 300     mkws.registerWidgetType('Perpage', promotePerpage);
 301