OHIF-48: Add pagination for worklist

Packages/worklist/client/components/worklistPagination/worklistPagination.html

@@ -0,0 +1,29 @@
+<template name="worklistPagination">
+        <div class="worklistPagination">
+            <div class="row">
+                <div class="col-xs-4 col-sm-3 col-md-3">
+                    {{#with recordCount}}
+                         <div class="form-inline form-group rows-per-page">
+                            <label>
+                                <span>Show</span>
+                                <select class="js-select-rows-per-page">
+                                    <option value="25">25</option>
+                                    <option value="50">50</option>
+                                    <option value="100">100</option>
+                                </select>
+
+                                <span class="rows-per-page-label">rows per page</span>
+                            </label>
+                        </div>
+                    {{/with}}
+                </div>
+                <div class="col-xs-8 col-sm-9 col-md-9">
+                    <div class="form-inline form-group page-number">
+                        <label>
+                            <ul id="pagination" class="no-margins"></ul>
+                        </label>
+                    </div>
+                </div>
+            </div>
+        </div>
+</template>

Packages/worklist/client/components/worklistPagination/worklistPagination.js

@@ -0,0 +1,58 @@
+import { Template } from 'meteor/templating';
+
+import './worklistPagination.html';
+
+const visiblePages = 10;
+Template.worklistPagination.onCreated(function() {
+    let instance = Template.instance();
+    // replace parentVariable with the name of the instance variable
+    instance.parent = this.parent(1);
+});
+
+Template.worklistPagination.onRendered(function() {
+    const instance = Template.instance();
+    const $paginationControl = instance.$('#pagination');
+
+    // Track changes on recordCount and rowsPerPage
+    instance.autorun(function() {
+        const recordCount = instance.parent.recordCount.get();
+        const rowsPerPage = instance.parent.rowsPerPage.get();
+
+        // Destroy plugin if exists
+        if ($paginationControl.data().twbsPagination) {
+            $paginationControl.twbsPagination('destroy');
+        }
+
+        if (recordCount && rowsPerPage) {
+            const totalPageNumber = Math.ceil(recordCount / rowsPerPage);
+
+            // Initialize plugin
+            $paginationControl.twbsPagination({
+                totalPages: totalPageNumber,
+                visiblePages: visiblePages,
+                onPageClick: function (event, page) {
+                    // Update currentPage
+                    // Decrease page by 1 to set currentPage
+                    // Since reactive table current page index starts by 0
+                    instance.parent.currentPage.set(page - 1);
+                }
+            });
+        }
+    });
+});
+
+Template.worklistPagination.helpers({
+    recordCount() {
+        const instance = Template.instance();
+        return instance.parent.recordCount.get();
+    }
+});
+
+Template.worklistPagination.events({
+    'change .js-select-rows-per-page'(event, instance) {
+        const rowsPerPage = $(event.currentTarget).val();
+
+        // Update rowsPerPage of parent
+        instance.parent.rowsPerPage.set(parseInt(rowsPerPage, 10));
+    }
+});

Packages/worklist/client/components/worklistPagination/worklistPagination.styl

@@ -0,0 +1,39 @@
+@import "{design}/app"
+
+.worklistPagination
+    font-size: 13px
+    font-weight: normal !important
+
+  .rows-per-page
+    padding-top: 20px
+
+    label
+      font-weight: normal
+
+    select
+      background-color: $primaryBackgroundColor
+      color: white
+
+  .page-number
+    text-align: right
+
+    label
+      font-weight: normal
+
+      ul#pagination
+
+        li
+          a
+            padding: 4px 8px
+            background-color: $primaryBackgroundColor
+            color: white
+
+            &:hover
+              color: $activeColor
+
+        .active
+
+          a
+            background-color: $uiGrayDarker
+            color: white
+

Packages/worklist/client/components/worklistResult/worklistResult.html

@@ -92,6 +92,10 @@
             {{/each}}
             </tbody>
         </table>
+
+        <!-- Pagination -->
+        {{> worklistPagination }}
+
         {{#if session "showLoadingText"}}
             {{>loadingText}}
         {{ else }}

Packages/worklist/client/components/worklistResult/worklistResult.js

@@ -6,19 +6,37 @@ Template.worklistResult.helpers({
      * by Patient name and Study Date in Ascending order.
      */
     studies() {
-        const sortOption = Session.get('sortOption');
-        if (sortOption) {
-            return WorklistStudies.find({}, {
-                sort: sortOption
-            });
+        const instance = Template.instance();
+        let studies;
+        let sortOption = {
+            patientName: 1,
+            studyDate: 1
+        };
+
+        // Update sort option if session is defined
+        if (Session.get('sortOption')) {
+            sortOption = Session.get('sortOption');
         }
 
-        return WorklistStudies.find({}, {
-            sort: {
-                patientName: 1,
-                studyDate: 1
-            }
-        });
+        // Pagination parameters
+        const rowsPerPage = instance.rowsPerPage.get();
+        const currentPage = instance.currentPage.get();
+        const offset = rowsPerPage * currentPage;
+        const limit = offset + rowsPerPage;
+
+        studies = WorklistStudies.find({}, {
+            sort: sortOption
+        }).fetch();
+
+        if (!studies) {
+            return;
+        }
+
+        // Update record count
+        instance.recordCount.set(studies.length);
+
+        // Limit studies
+        return studies.slice(offset, limit);
     },
 
     numberOfStudies() {
@@ -163,6 +181,15 @@ Template.worklistResult.onCreated(() => {
     instance.sortOption = new ReactiveVar();
     instance.sortingColumns = new ReactiveDict();
 
+    // Pagination parameters
+
+    // Rows per page is 25 as default
+    instance.rowsPerPage = new ReactiveVar(25);
+
+    // Set currentPage indexed 0
+    instance.currentPage = new ReactiveVar(0);
+    instance.recordCount = new ReactiveVar();
+
     // Set sortOption
     const sortOptionSession = Session.get('sortOption');
     if (sortOptionSession) {

Packages/worklist/client/lib/jquery.twbsPagination/jquery.twbsPagination.min.js

@@ -0,0 +1,9 @@
+/*
+ * jQuery Bootstrap Pagination v1.3.1
+ * https://github.com/esimakin/twbs-pagination
+ *
+ * Copyright 2014-2015 Eugene Simakin <eugenesimakin@mail.ru>
+ * Released under Apache 2.0 license
+ * http://apache.org/licenses/LICENSE-2.0.html
+ */
+!function(a,b,c,d){"use strict";var e=a.fn.twbsPagination,f=function(c,d){if(this.$element=a(c),this.options=a.extend({},a.fn.twbsPagination.defaults,d),this.options.startPage<1||this.options.startPage>this.options.totalPages)throw new Error("Start page option is incorrect");if(this.options.totalPages=parseInt(this.options.totalPages),isNaN(this.options.totalPages))throw new Error("Total pages option is not correct!");if(this.options.visiblePages=parseInt(this.options.visiblePages),isNaN(this.options.visiblePages))throw new Error("Visible pages option is not correct!");if(this.options.totalPages<this.options.visiblePages&&(this.options.visiblePages=this.options.totalPages),this.options.onPageClick instanceof Function&&this.$element.first().on("page",this.options.onPageClick),this.options.href){var e,f=this.options.href.replace(/[-\/\\^$*+?.|[\]]/g,"\\$&");f=f.replace(this.options.hrefVariable,"(\\d+)"),null!=(e=new RegExp(f,"i").exec(b.location.href))&&(this.options.startPage=parseInt(e[1],10))}var g="function"==typeof this.$element.prop?this.$element.prop("tagName"):this.$element.attr("tagName");return"UL"===g?this.$listContainer=this.$element:this.$listContainer=a("<ul></ul>"),this.$listContainer.addClass(this.options.paginationClass),"UL"!==g&&this.$element.append(this.$listContainer),this.render(this.getPages(this.options.startPage)),this.setupEvents(),this.options.initiateStartPageClick&&this.$element.trigger("page",this.options.startPage),this};f.prototype={constructor:f,destroy:function(){return this.$element.empty(),this.$element.removeData("twbs-pagination"),this.$element.off("page"),this},show:function(a){if(1>a||a>this.options.totalPages)throw new Error("Page is incorrect.");return this.render(this.getPages(a)),this.setupEvents(),this.$element.trigger("page",a),this},buildListItems:function(a){var b=[];if(this.options.first&&b.push(this.buildItem("first",1)),this.options.prev){var c=a.currentPage>1?a.currentPage-1:this.options.loop?this.options.totalPages:1;b.push(this.buildItem("prev",c))}for(var d=0;d<a.numeric.length;d++)b.push(this.buildItem("page",a.numeric[d]));if(this.options.next){var e=a.currentPage<this.options.totalPages?a.currentPage+1:this.options.loop?1:this.options.totalPages;b.push(this.buildItem("next",e))}return this.options.last&&b.push(this.buildItem("last",this.options.totalPages)),b},buildItem:function(b,c){var d=a("<li></li>"),e=a("<a></a>"),f=null;switch(b){case"page":f=c,d.addClass(this.options.pageClass);break;case"first":f=this.options.first,d.addClass(this.options.firstClass);break;case"prev":f=this.options.prev,d.addClass(this.options.prevClass);break;case"next":f=this.options.next,d.addClass(this.options.nextClass);break;case"last":f=this.options.last,d.addClass(this.options.lastClass)}return d.data("page",c),d.data("page-type",b),d.append(e.attr("href",this.makeHref(c)).html(f)),d},getPages:function(a){var b=[],c=Math.floor(this.options.visiblePages/2),d=a-c+1-this.options.visiblePages%2,e=a+c;0>=d&&(d=1,e=this.options.visiblePages),e>this.options.totalPages&&(d=this.options.totalPages-this.options.visiblePages+1,e=this.options.totalPages);for(var f=d;e>=f;)b.push(f),f++;return{currentPage:a,numeric:b}},render:function(b){var c=this;this.$listContainer.children().remove(),this.$listContainer.append(this.buildListItems(b)),this.$listContainer.children().each(function(){var d=a(this),e=d.data("page-type");switch(e){case"page":d.data("page")===b.currentPage&&d.addClass(c.options.activeClass);break;case"first":d.toggleClass(c.options.disabledClass,1===b.currentPage);break;case"last":d.toggleClass(c.options.disabledClass,b.currentPage===c.options.totalPages);break;case"prev":d.toggleClass(c.options.disabledClass,!c.options.loop&&1===b.currentPage);break;case"next":d.toggleClass(c.options.disabledClass,!c.options.loop&&b.currentPage===c.options.totalPages)}})},setupEvents:function(){var b=this;this.$listContainer.find("li").each(function(){var c=a(this);return c.off(),c.hasClass(b.options.disabledClass)||c.hasClass(b.options.activeClass)?void c.on("click",!1):void c.click(function(a){!b.options.href&&a.preventDefault(),b.show(parseInt(c.data("page")))})})},makeHref:function(a){return this.options.href?this.options.href.replace(this.options.hrefVariable,a):"#"}},a.fn.twbsPagination=function(b){var c,e=Array.prototype.slice.call(arguments,1),g=a(this),h=g.data("twbs-pagination"),i="object"==typeof b&&b;return h||g.data("twbs-pagination",h=new f(this,i)),"string"==typeof b&&(c=h[b].apply(h,e)),c===d?g:c},a.fn.twbsPagination.defaults={totalPages:0,startPage:1,visiblePages:5,initiateStartPageClick:!0,href:!1,hrefVariable:"{{number}}",first:"First",prev:"Previous",next:"Next",last:"Last",loop:!1,onPageClick:null,paginationClass:"pagination",nextClass:"next",prevClass:"prev",lastClass:"last",firstClass:"first",pageClass:"page",activeClass:"active",disabledClass:"disabled"},a.fn.twbsPagination.Constructor=f,a.fn.twbsPagination.noConflict=function(){return a.fn.twbsPagination=e,tLine truncated

Packages/worklist/package.js

@@ -69,6 +69,10 @@ Package.onUse(function (api) {
     api.addFiles('client/components/progressDialog/progressDialog.html', 'client');
     api.addFiles('client/components/progressDialog/progressDialog.styl', 'client');
     api.addFiles('client/components/progressDialog/progressDialog.js', 'client');
+
+    api.addFiles('client/components/worklistPagination/worklistPagination.html', 'client');
+    api.addFiles('client/components/worklistPagination/worklistPagination.styl', 'client');
+    api.addFiles('client/components/worklistPagination/worklistPagination.js', 'client');
     
     // Client-side library functions
     api.addFiles('client/lib/getStudyMetadata.js', 'client');
@@ -79,6 +83,7 @@ Package.onUse(function (api) {
     api.addFiles('client/lib/worklist.js', 'client');
     api.addFiles('client/lib/queryStudies.js', 'client');
     api.addFiles('client/lib/importStudies.js', 'client');
+    api.addFiles('client/lib/jquery.twbsPagination/jquery.twbsPagination.min.js', 'client');
 
     // Server-side functions
     api.addFiles('server/publications.js', 'server');