functionality for unlocks, filtering and percentages

js/script.js

@@ -1,32 +1,98 @@
-$(document).ready(function() {
-          $('#example').DataTable({
-            ajax: "data/krystilia.json",
-            columns: [
+jQuery.fn.dataTable.Api.register( 'sum()', function ( ) {
+    return this.flatten().reduce( function ( a, b ) {
+        if ( typeof a === 'string' ) {
+            a = a.replace(/[^\d.-]/g, '') * 1;
+        }
+        if ( typeof b === 'string' ) {
+            b = b.replace(/[^\d.-]/g, '') * 1;
+        }
+ 
+        return a + b;
+    }, 0 );
+} );
+
+function filterTasks(data) {
+    index_list = []
+
+    for (i = 0; i < data.length; i++) {
+        switch (data[i].monster) {
+            case 'Red dragons':
+                if ($("#reddrags").prop("checked") == false) {
+                    index_list.push(i)
+                }
+                break;
+            case 'Mithril dragons':
+                if ($("#mithdrags").prop("checked") == false) {
+                    index_list.push(i)
+                }
+                break;
+            case 'Aviansie':
+                if ($("#aviansies").prop("checked") == false) {
+                    index_list.push(i)
+                }
+                break;
+            case 'Tzhaar':
+                if ($("#tzhaar").prop("checked") == false) {
+                    index_list.push(i)
+                }
+                break;
+            case 'Lizardmen':
+                if ($("#lizardmen").prop("checked") == false) {
+                    index_list.push(i)
+                }
+                break;
+            case 'Bosses':
+                if ($("#bosses").prop("checked") == false) {
+                    index_list.push(i)
+                }
+                break;
+            case 'Fossil Island Wyverns':
+                if ($("#wyverns").prop("checked") == true) {
+                    index_list.push(i)
+                }
+        }
+    }
+    console.log(index_list,data)
+    return data
+}
+
+function sumWeights(data) {
+    var total = 0;
+    for (var i in data) {
+        total += data[i].taskweight
+    }
+    return total
+}
+
+var table;
+
+function deleteOldDataTable(table) {
+    if ( $.fn.dataTable.isDataTable( '#master' ) ) {
+        table.destroy();
+    }
+}
+
+function applyChanges(master) {
+    deleteOldDataTable();
+
+    $.getJSON( "data/"+master+".json", function( data ) {
+        
+        var data = filterTasks(data),
+        totalweight = sumWeights(data);
+
+        $(document).ready(function() {
+            table = $('#master').DataTable({
+            "data": data,
+            "columns": [
                 {   data: 'monster'},
                 {   data: 'taskweight'},
-                {
-                    data: null,
-                    render: function ( data, type, row ) {
-                        return Math.round( col.taskweight * row.taskweight * 100 )+'%';
+                {   data: null, render: function ( data, type, row ) {
+                        return (row.taskweight / totalweight * 100 ).toFixed(2)+'%';
                     }
                 }
             ]
-          });
-} );
-
-
-
-
-function filterEntries() {
-
-}
-
-function addPercentages() {
-
-}
-
-function applyChanges() {
-    filterEntries();
-    addPercentages();
-    alert('Done.')
+            });
+        });
+        
+    })
 }