search feature

resources/app/stylesheets/app.less

@@ -249,9 +249,18 @@ table {
 
 .tbl-toolbar {
     display: flex;
+    margin-top: 2rem;
 
-    .curr-page {
+    .row-info {
         flex-grow: 99;
+
+        .rows::before {
+            content: " (";
+        }
+
+        .rows::after {
+            content: " rows)";
+        }
     }
 
     .prev::before {
@@ -262,7 +271,7 @@ table {
         content: " >>";
     }
 
-    button {
+    button, input {
         margin-right: @element-margin;
     }
 }

resources/public/js/scripts.js

@@ -49,36 +49,52 @@ document.addEventListener('DOMContentLoaded', function () {
               x > y ? [] : [x, ...range(x + 1, y)];
         const visibleRows = page =>
               range(page * pageSize, (page + 1) * pageSize - 1)
+        const tblRows = tbl =>
+              [...tbl.tBodies[0].rows]
 
         function toggleVisibilities(tbl, ixsToShow) {
-            const rows = [...tbl.tBodies[0].rows]
-            rows.forEach(function (row, ix) {
+            tblRows(tbl).forEach(function (row, ix) {
                 row.style.display = ixsToShow.includes(ix) ? 'table-row' : 'none';
             })
         }
 
         function setCurrPage(tbl, currPageIx) {
-            const elems = document.querySelectorAll('.tbl-toolbar .curr-page')
+            const elems = document.querySelectorAll('.tbl-toolbar .row-info')
             const rows = tbl.tBodies[0].rows.length
             const pages = Math.ceil(rows / pageSize)
 
             elems.forEach(function(elem) {
-                elem.innerText = (currPageIx + 1) + ' / ' + pages + ' (' + rows + ' rows)'
+                elem.children[0].innerText = (currPageIx + 1) + ' / ' + pages
+                elem.children[1].innerText = rows
+            })
+
+            tbl.setAttribute('data-page', currPageIx)
+        }
+
+        function changePage(tbl, ix) {
+            toggleVisibilities(tbl, visibleRows(ix))
+            setCurrPage(tbl, ix)
+        }
+
+        function enablePagination(on) {
+            document.querySelectorAll('.pg-btn').forEach(function(btn) {
+                btn.disabled = !on
+            })
+            document.querySelectorAll('.row-info .page').forEach(function(elem) {
+                elem.style.display = on ? 'inline' : 'none'
             })
         }
 
         function prevButton(tbl) {
             const btn = document.createElement('button')
             btn.classList.add('prev')
+            btn.classList.add('pg-btn')
             btn.innerText = 'Prev'
             btn.addEventListener('click', function () {
                 const page = tbl.getAttribute('data-page') * 1
 
                 if (page > 0) {
-                    const newPageIx = page - 1
-                    tbl.setAttribute('data-page', newPageIx)
-                    toggleVisibilities(tbl, visibleRows(newPageIx))
-                    setCurrPage(tbl, newPageIx)
+                    changePage(tbl, page - 1)
                 }
             })
             return btn;
@@ -87,32 +103,76 @@ document.addEventListener('DOMContentLoaded', function () {
         function nextButton(tbl) {
             const btn = document.createElement('button')
             btn.classList.add('next')
+            btn.classList.add('pg-btn')
             btn.innerText = 'Next'
             btn.addEventListener('click', function () {
                 const page = tbl.getAttribute('data-page') * 1
                 const lastRowNum = (page + 1) * pageSize
 
-                if (lastRowNum < tbl.tBodies[0].rows.length) {
-                    const newPageIx = page + 1
-                    tbl.setAttribute('data-page', newPageIx)
-                    toggleVisibilities(tbl, visibleRows(newPageIx))
-                    setCurrPage(tbl, newPageIx)
+                if (lastRowNum < tblRows(tbl).length) {
+                    changePage(tbl, page + 1)
                 }
             })
             return btn
         }
 
         function currPage() {
-            const span = document.createElement('span')
-            span.classList.add('curr-page')
-            span.innerText = 1
-            return span
+            const rowInfo = document.createElement('span')
+            rowInfo.classList.add('row-info')
+            const rows = document.createElement('span')
+            rows.classList.add('rows')
+            rows.innerText = 0
+            const page = document.createElement('span')
+            page.classList.add('page')
+            page.innerText = 1
+
+            rowInfo.insertAdjacentElement('afterbegin', rows)
+            rowInfo.insertAdjacentElement('afterbegin', page)
+
+            return rowInfo
+        }
+
+        function searchBox(tbl) {
+            const input = document.createElement('input')
+            input.classList.add('search')
+            input.type = 'search'
+            input.placeholder = 'search...'
+
+            const contents = tblRows(tbl).map(function(row) {
+                return Array.from(row.cells).reduce(function(carr, cell) {
+                    return carr + cell.innerText.toLocaleLowerCase()
+                }, "")
+            })
+
+            input.addEventListener('input', function(evt, a) {
+                const term = evt.target.value.toLocaleLowerCase()
+                if (term.length === 0) {
+                    changePage(tbl, 0)
+                    enablePagination(true)
+                    return
+                }
+
+                enablePagination(false)
+
+                const ixs = []
+                contents.forEach(function(rowContent, ix) {
+                    if (rowContent.match(term)) {
+                        ixs.push(ix)
+                    }
+                })
+                document.querySelectorAll('.row-info .rows').forEach(function(elem) {
+                    elem.innerText = ixs.length
+                })
+                toggleVisibilities(tbl, ixs)
+            })
+            return input
         }
 
         function addToolbar(tbl) {
             const toolbarTop = document.createElement('section')
             toolbarTop.classList.add('tbl-toolbar')
             toolbarTop.insertAdjacentElement('beforeend', currPage())
+            toolbarTop.insertAdjacentElement('beforeend', searchBox(tbl))
             toolbarTop.insertAdjacentElement('beforeend', prevButton(tbl))
             toolbarTop.insertAdjacentElement('beforeend', nextButton(tbl))
 
@@ -122,8 +182,8 @@ document.addEventListener('DOMContentLoaded', function () {
             toolbarBottom.insertAdjacentElement('beforeend', prevButton(tbl))
             toolbarBottom.insertAdjacentElement('beforeend', nextButton(tbl))
 
-            tbl.insertAdjacentElement('afterend', toolbarTop)
-            tbl.insertAdjacentElement('beforebegin', toolbarBottom)
+            tbl.insertAdjacentElement('afterend', toolbarBottom)
+            tbl.insertAdjacentElement('beforebegin', toolbarTop)
         }
 
         document.querySelectorAll('table').forEach(function (tbl) {