print correct number of ballots (closes #2504)

CHANGELOG

@@ -52,12 +52,14 @@ Motions:
 - Added DOCX export with docxtemplater.
 - Changed label of former state "commited a bill" to "refered to committee".
 - New csv import layout and using Papa Parse for parsing the csv.
+- Number of ballots printed can now be set in config.
 
 Elections:
 - Added options to calculate percentages on different bases.
 - Added calculation for required majority.
 - Candidates are now sortable.
 - Removed unused assignment config to publish winner election results only.
+- Number of ballots printed can now be set in config.
 
 Users:
 - Added new matrix-interface for managing groups and their permissions.

openslides/assignments/static/js/assignments/pdf.js

@@ -268,8 +268,9 @@ angular.module('OpenSlidesApp.assignments.pdf', ['OpenSlidesApp.core.pdf'])
     '$filter',
     'gettextCatalog',
     'PDFLayout',
-    function($filter, gettextCatalog, PDFLayout) {
+    'Config',
-
+    'User',
+    function($filter, gettextCatalog, PDFLayout, Config, User) {
         var createInstance = function(scope, poll, pollNumber) {
 
             // page title
@@ -367,58 +368,104 @@ angular.module('OpenSlidesApp.assignments.pdf', ['OpenSlidesApp.core.pdf'])
                 };
             };
 
-            var createTableBody = function(numberOfRows, sheetend) {
+            var createTableBody = function(numberOfRows, sheetend, maxballots) {
+                var ballotstoprint = numberOfRows * 2;
+                if (Number.isInteger(maxballots) && maxballots > 0 && maxballots < ballotstoprint) {
+                    ballotstoprint = maxballots;
+                }
                 var tableBody = [];
-                for (var i = 0; i < numberOfRows; i++) {
+                while (ballotstoprint > 1){
                     tableBody.push([createSection(sheetend), createSection(sheetend)]);
+                    ballotstoprint -= 2;
+                }
+                if (ballotstoprint == 1) {
+                    tableBody.push([createSection(sheetend), '']);
                 }
                 return tableBody;
             };
 
             var createContentTable = function() {
-
+                // first, determine how many ballots we need
-                var tableBody = [];
+                var amount;
+                var amount_method = Config.get('assignments_pdf_ballot_papers_selection').value;
+                switch (amount_method) {
+                    case 'NUMBER_OF_ALL_PARTICIPANTS':
+                        amount = User.getAll().length;
+                        break;
+                    case 'NUMBER_OF_DELEGATES':
+                        //TODO: assumption that DELEGATES is always group id 2. This may not be true
+                        var group_id = 2;
+                        amount = User.filter({where: {'groups_id': {contains:group_id} }}).length;
+                        break;
+                    case 'CUSTOM_NUMBER':
+                        amount = Config.get('assignments_pdf_ballot_papers_number').value;
+                        break;
+                    default:
+                        // should not happen.
+                        amount = 0;
+                }
+                var tabledContent = [];
+                var rowsperpage;
                 var sheetend;
-
                 if (poll.pollmethod == 'votes') {
                     if (poll.options.length <= 4) {
                         sheetend = 105;
-                        tableBody = createTableBody(4, sheetend);
+                        rowsperpage = 4;
                     } else if (poll.options.length <= 8) {
                         sheetend = 140;
-                        tableBody = tableBody = createTableBody(3, sheetend);
+                        rowsperpage = 3;
                     } else if (poll.options.length <= 12) {
                         sheetend = 210;
-                        tableBody = tableBody = createTableBody(2, sheetend);
+                        rowsperpage = 2;
                     }
                     else { //works untill ~30 people
                         sheetend = 418;
-                        tableBody = createTableBody(1, sheetend);
+                        rowsperpage = 1;
                     }
                 } else {
                     if (poll.options.length <= 2) {
                         sheetend = 105;
-                        tableBody = createTableBody(4, sheetend);
+                        rowsperpage = 4;
                     } else if (poll.options.length <= 4) {
                         sheetend = 140;
-                        tableBody = createTableBody(3, sheetend);
+                        rowsperpage = 3;
                     } else if (poll.options.length <= 6) {
                         sheetend = 210;
-                        tableBody = createTableBody(2, sheetend);
+                        rowsperpage = 2;
                     } else {
                         sheetend = 418;
-                        tableBody = createTableBody(1, sheetend);
+                        rowsperpage = 1;
                     }
                 }
-
+                var page_entries = rowsperpage * 2;
-                return [{
+                var fullpages = Math.floor(amount / page_entries);
+                for (var i=0; i < fullpages; i++) {
+                    tabledContent.push({
                         table: {
                             headerRows: 1,
                             widths: ['50%', '50%'],
-                        body: tableBody
+                            body: createTableBody(rowsperpage, sheetend),
+                            pageBreak: 'after'
                             },
-                    layout: PDFLayout.getBallotLayoutLines()
+                            layout: PDFLayout.getBallotLayoutLines(),
-                }];
+                            rowsperpage: rowsperpage
+                        });
+                }
+                // fill the last page only partially
+                var lastpage_ballots = amount - (fullpages * page_entries);
+                if (lastpage_ballots < page_entries && lastpage_ballots > 0){
+                    var partialpage = createTableBody(rowsperpage, sheetend, lastpage_ballots);
+                    tabledContent.push({
+                        table: {
+                            headerRows: 1,
+                            widths: ['50%', '50%'],
+                            body: partialpage
+                        },
+                        layout: PDFLayout.getBallotLayoutLines(),
+                        rowsperpage: rowsperpage
+                    });
+                }
+                return tabledContent;
             };
 
             var getContent = function() {

openslides/core/static/js/core/pdf.js

@@ -102,13 +102,33 @@ angular.module('OpenSlidesApp.core.pdf', [])
         PDFLayout.getBallotLayoutLines = function() {
             return {
                 hLineWidth: function(i, node) {
-                    return (i === 0 || i === node.table.body.length) ? 0 : 0.5;
+                    if (i === 0){
+                        return 0;
+                    } else if (i === node.table.body.length) {
+                        if (node.rowsperpage && node.rowsperpage > i) {
+                            return 0.5;
+                        } else {
+                            return 0;
+                        }
+                    } else {
+                        return 0.5;
+                    }
                 },
                 vLineWidth: function(i, node) {
                     return (i === 0 || i === node.table.widths.length) ? 0 : 0.5;
                 },
                 hLineColor: function(i, node) {
-                    return (i === 0 || i === node.table.body.length) ? 'none' : 'gray';
+                    if (i === 0){
+                        return 'none';
+                    } else if (i === node.table.body.length) {
+                        if (node.rowsperpage && node.rowsperpage > i) {
+                            return 'gray';
+                        } else {
+                            return 'none';
+                        }
+                    } else {
+                        return 'gray';
+                    }
                 },
                 vLineColor: function(i, node) {
                     return (i === 0 || i === node.table.widths.length) ? 'none' : 'gray';

openslides/motions/static/js/motions/pdf.js

@@ -330,7 +330,9 @@ angular.module('OpenSlidesApp.motions.pdf', ['OpenSlidesApp.core.pdf'])
 
 .factory('PollContentProvider', [
     'PDFLayout',
-    function(PDFLayout) {
+    'Config',
+    'User',
+    function(PDFLayout, Config, User) {
     /**
     * Generates a content provider for polls
     * @constructor
@@ -367,9 +369,30 @@ angular.module('OpenSlidesApp.motions.pdf', ['OpenSlidesApp.core.pdf'])
         * @function
         * @param {string} id - if of poll
         */
-
         var getContent = function() {
-            return [{
+            var content = [];
+            var amount;
+            var amount_method = Config.get('motions_pdf_ballot_papers_selection').value;
+            switch (amount_method) {
+                    case 'NUMBER_OF_ALL_PARTICIPANTS':
+                        amount = User.getAll().length;
+                        break;
+                    case 'NUMBER_OF_DELEGATES':
+                        //TODO: assumption that DELEGATES is always group id 2. This may not be true
+                        var group_id = 2;
+                        amount = User.filter({where: {'groups_id': {contains:group_id} }}).length;
+                        break;
+                    case 'CUSTOM_NUMBER':
+                        amount = Config.get('motions_pdf_ballot_papers_number').value;
+                        break;
+                    default:
+                        // should not happen.
+                        amount = 0;
+            }
+            var fullpages = Math.floor(amount / 8);
+
+            for (var i=0; i < fullpages; i++) {
+                content.push({
                     table: {
                         headerRows: 1,
                         widths: ['*', '*'],
@@ -379,9 +402,33 @@ angular.module('OpenSlidesApp.motions.pdf', ['OpenSlidesApp.core.pdf'])
                             [createSection(), createSection()],
                             [createSection(), createSection()]
                         ],
+                        pageBreak: 'after'
                     },
-                layout: PDFLayout.getBallotLayoutLines()
+                    layout: PDFLayout.getBallotLayoutLines(),
-            }];
+                    rowsperpage: 4
+                });
+            }
+            amount = amount  - (fullpages * 8);
+            if (amount > 0) {
+                var partialpagebody = [];
+                while (amount > 1) {
+                    partialpagebody.push([createSection(), createSection()]);
+                    amount -=2;
+                }
+                if (amount == 1) {
+                    partialpagebody.push([createSection(), '']);
+                }
+                content.push({
+                    table: {
+                        headerRows: 1,
+                        widths: ['50%', '50%'],
+                        body: partialpagebody
+                    },
+                    layout: PDFLayout.getBallotLayoutLines(),
+                    rowsperpage: 4
+                });
+            }
+            return content;
         };
 
         return {