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Pagination with editable table
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This template shows how to build a more complex pagination with editable table, values stored in URL hash and state keeping on reload

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<!DOCTYPE html>
<html class="duet-bg-gradient duet-sticky-footer" lang="fi">
<head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width,initial-scale=1.0" />
  <title>LähiTapiola</title>
  <link rel="stylesheet" href="https://cdn.duetds.com/api/fonts/2.0.37/lib/localtapiola.css" integrity="sha384-5JYmtSD7nykpUvSmTW1CHMoBDkBZUpUmG0vuh+NUVtZag3F75Kr7+/JU3J7JV6Wq" crossorigin="anonymous" />
  <link rel="stylesheet" href="https://cdn.duetds.com/api/css/2.0.37/lib/duet.min.css" integrity="sha384-HCyysBnZ5EIw1st8I3EG6DCaottRChl7hYlTqmsS8XzdgQsclbv9Edi5gsco2Wy3" crossorigin="anonymous" />
  <link rel="stylesheet" href="https://cdn.duetds.com/api/tokens/3.0.37/lib/tokens.custom-properties.css" integrity="sha384-rxTcztOdY2IJ7Qut98AqRJJY5tXpDexWKN6csXh9raZkxudeSn7Ls9VHTrAC5qrs" crossorigin="anonymous" />
  <script type="module" src="https://cdn.duetds.com/api/components/6.8.0/lib/duet/duet.esm.js" integrity="sha384-Zfq/6W2+BlpcxzPPW3KBmFnMt/kp6c8a3Qv4kxzVne2kiawM8xJn43bLH5p1cNjQ" crossorigin="anonymous"></script>
<script nomodule src="https://cdn.duetds.com/api/components/6.8.0/lib/duet/duet.js" integrity="sha384-tMnjay+Jjza4zk7VgrrMR1XNXGYmTi6fNcNP5kVgFumh5Hweu2AxlKJxeqLIdEO3" crossorigin="anonymous"></script>
</head>
<body>
<style>
  .duet-table-action-row.content-editable td:not(:last-child) {
    border: 1px solid red;
  }

  .example-menu {
    text-align: right;
  }

  .example-menu ul {
    padding: 0 1rem;
  }

  .example-menu li {
    display: inline-block;
    list-style: none;
    border-left: 1px solid #ccc;
    padding: 0 1rem;
  }

  .example-menu li.menu-select {
    min-width: 100px;
    text-align: right;
  }

  .pagination-menu {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(300px, 600px) minmax(100px, 300px) minmax(100px, 150px);
    grid-template-rows: 1fr;
    gap: 0 0;
    grid-template-areas: "pager ranger select";
    justify-content: start;
    align-content: center;
    justify-items: baseline;
    align-items: center;
  }
  .pagination-menu duet-pagination {
    grid-area: pager;
    justify-self: start;
    align-self: center;
    width: 100%;
  }
  .pagination-menu duet-range-stepper {
    justify-self: end;
    align-self: center;
    grid-area: ranger;
  }
  .pagination-menu duet-select {
    justify-self: end;
    align-self: center;
    grid-area: select;
  }
  @media only screen and (max-width: 48em) {
    .pagination-menu {
      display: block;
    }
    duet-range-stepper {
      display: none;
    }
    duet-select {
      display: none !important;
    }
  }
</style>
<duet-layout center>
  <div slot="main">
    <duet-card>
      <duet-heading level="h1" visual-level="h3">Duet-editable-table with Duet-pagination</duet-heading>

      <duet-editable-table margin="auto" sticky sticky-distance="none" variation="striped" sortable>
        <div class="example-menu" slot="thead-first">
          <div>
            <ul role="menubar">
              <li role="menuitem">
                <duet-button
                  accessible-label="Download the table as a CSV file"
                  fixed
                  icon="action-download"
                  icon-size="medium"
                  margin="none"
                  padding="none"
                  variation="plain"
                >
                  Download as CSV
                </duet-button>
              </li>
              <li role="menuitem">
                <duet-button
                  accessible-label="Copy the data to you Clipboard as csv"
                  fixed
                  icon="form-file"
                  icon-size="medium"
                  margin="none"
                  padding="none"
                  variation="plain"
                >
                  copy
                </duet-button>
              </li>
              <li role="menuitem" class="menu-select">
                <duet-select
                  label-hidden
                  label="which types to show in table"
                  value="all"
                  variation="tiny"
                  id="invoice-type"
                ></duet-select>
              </li>
            </ul>
          </div>
        </div>
        <div class="pagination-menu" slot="tfoot">
          <duet-pagination take="5" visible-items="5" total="1000"></duet-pagination>
          <duet-select label-hidden label="select range" value="5" variation="tiny" id="pagination-take"></duet-select>
        </div>
      </duet-editable-table>
      <duet-paragraph> </duet-paragraph>
    </duet-card>
  </div>
</duet-layout>

<script>
  const dayInMS = 24 * 60 * 60 * 1000
  const today = new Date()
  const localeDate = daysFromToday => (new Date(today.getTime() + (dayInMS * daysFromToday))).toLocaleDateString("fi")

  const open = [
    {
      number: "1-first",
      dueDate: localeDate(-20),
      amount: "63,92\xa0€",
      paid: false,
      paymentDate: localeDate(-10)
    },
  ]

  for (i = 2; i < 22; i++) {
    open.push({
      number: i,
      dueDate: localeDate(i * 2),
      paid: false,
      amount: (30 + Math.round(Math.random() * 100)) + ",00\xa0€",
      paymentDate: ""
    })
  }

  const paid = []

  for (i = 1; i < 102; i++) {
    paid.push({
      number: 21 + i,
      dueDate: localeDate(i * -11),
      paid: true,
      amount: ((30 + (Math.random() * 100)).toFixed(2) + "\xa0€").replace(".", ",")
    })
  }

  const allItems = [...open, ...paid]

  console.log("Item Counts", "all", allItems.length, "open", open.length, "paid", paid.length);
</script>
<script>
  // Save a reference to the elements
  const eTable = document.querySelector("duet-editable-table");


  // defined actions - if this is not defined, the table will not have any actions
  eTable.actions = [
    {
      "icon": "action-edit-2",
      "color": "primary",
      "name": "edit",
      "size": "x-small",
      "background": "gray-lightest",
      "label": {
        "fi": "Muokkaa luokkaa",
        "en": "Edit category",
        "sv": "Redigera kategori",
      },
    },
    {
      "icon": "action-delete",
      "color": "danger",
      "name": "delete",
      "size": "x-small",
      "background": "gray-lightest",
      "label": {
        "fi": "Poista",
        "en": "Delete",
        "sv": "Radera",
      },
    },
  ];

  //defined columns, if this is set, rows must also be defined for this to have an affect
  eTable.columns = [
    {
      sort_order: 1, direction: 1, index: 0, key: "number",
      label: {
        "en": "#",
        "fi": "#",
        "sv": "#",
      },
    },
    {
      sort_order: 2, direction: -1, index: 1, key: "dueDate",
      label: {
        "fi": "Due date",
        "en": "Due date",
        "sv": "Due date",
      },
    },
    {
      direction: 1, index: 2, key: "amount",
      label: {
        "fi": "Amount",
        "en": "Amount",
        "sv": "Amount",
      },
    },
    {
      direction: 1, index: 3, key: "paymentDate",
      label: {
        "fi": "Paid date",
        "en": "Paid date",
        "sv": "Paid date",
      },
    },
  ];


  eTable.addEventListener("duetActionEvent", function(e) {

    //quick demonstration of how to delete items from the rows array
    console.log("Event received from duet-table: ", e.detail);
    if (e.detail.action === "delete") {
      eTable.rows = eTable.rows.map(item => item.meta.id !== e.detail.meta.id ? item : null).filter(item => item);
    }
    //quick demonstration of how to create the beginnings of a table with edit capabilities
    if (e.detail.action === "edit") {
      const currentRow = eTable.querySelectorAll("tbody tr")[e.detail.meta.index];
      currentRow.contentEditable = true;
      currentRow.classList.toggle("content-editable");
    }
  });

  // function that sorts an array (in this case table.rows) by columns in descending order

  function fieldSorter(fields) {
    return function(a, b) {
      return fields
        .map(function(o) {
          let dir = 1;
          if (o[0] === "-") {
            dir = -1;
            o = o.substring(1);
          }
          if (a[o] > b[o]) return dir;
          if (a[o] < b[o]) return -(dir);
          return 0;
        })
        .reduce(function firstNonZeroValue(p, n) {
          return p ? p : n;
        }, 0);
    };
  }

  //change the sort order of a specific column
  function setSortOrder({ order, direction, index, column }) {
    const newArray = eTable.columns.map((item) => {
      if (item.key === column) {
        // set sort_order to 0, which is ignored in the component as undefined
        item.sort_order = 0;
        // flip direction asc->desc and desc->asc
        item.direction = item.direction === -1 ? 1 : -1;
      }
      return item;
    })
      // sort the array by sort_order thereby getting a 0,1,3,4,x sequence
      .sort(fieldSorter(["sort_order"]))
      // reset that sequence to a 1,2,3,4 situation and ignore anything where sort order was not defined
      .map((item, i) => {
        if (item.sort_order || item.sort_order === 0) {
          item.sort_order = i + 1;
        }
        return item;
      });

    eTable.columns = newArray;

  }

  // Listen for toggle events
  eTable.addEventListener("duetTableToggle", function(e) {
    console.log("Event received from duet-table: ", e.detail);
    setSortOrder({
      order: e.detail.sort_order,
      direction: e.detail.direction,
      index: e.detail.index,
      column: e.detail.key,
    });
  });
</script>
<script>
  // Save a reference to the above pagination components
  const selectTake = document.getElementById("pagination-take")
  const selectInvoice = document.getElementById("invoice-type")
  const pagination = document.querySelector("duet-pagination")


  let urlTake = getHash(location.hash, "take") || "5"
  let urlType = getHash(location.hash, "type") || "all"
  let currPage = getHash(location.hash, "page") || "1"

  // Set select menu items and their values
  selectTake.items = [
    { label: "5", value: "5"},
    { label: "10", value: "10" },
    { label: "15", value: "15" }
  ]

  // Set select menu items and their values
  selectInvoice.items = [
    { label: "all", value: "all"},
    { label: "paid", value: "paid" },
    { label: "open", value: "open" }
  ]

  // try to get current page from url
  pagination.setAttribute("current", currPage)

  // Listen for change events in the select
  selectTake.addEventListener("duetChange", function (e) {
    console.log("Change event detected in select:", e.detail)
    pagination.setAttribute("take",e.detail.value)
    location.hash = setHash(location.hash,"take", e.detail.value)
    getTypeItem();

  })

  // Listen for change events in the select
  selectInvoice.addEventListener("duetChange", function (e) {
    console.log("Change event detected in select (invoice type):", e.detail)
    location.hash = setHash(location.hash,"type", e.detail.value)
    getTypeItem();

  })

  // Listen for change events in the pager
  pagination.addEventListener("duetPageChange", function (e) {
    console.log("Change event detected in pagination:", e.detail)
    location.hash = setHash(location.hash,"page", e.detail.current)
    getTypeItem();
  })

  //javascript functions thatuses filtering and string ops to manipulate any hashes given
  function getHash(hash, key) {
    return hash
      .split("#")
      .find((h) => h.startsWith(key))
      ?.replace(`${key}=`, "");
  }
  function setHash(hash, key, value) {
    let hashArray = hash.split("#").filter((h) => !h.startsWith(key));
    hashArray.push(`${key}=${value}`);
    return hashArray.length > 0
      ? hashArray.reduce((s1, s2) => `${s1}#${s2}`)
      : "";
  }
  function deleteHash(hash, key) {
    let hashArray = hash.split("#").filter((h) => !h.startsWith(key));
    return hashArray.length > 0
      ? hashArray.reduce((s1, s2) => `${s1}#${s2}`)
      : "";
  }

  //simple function that uses the URL HASH as a "store" for values and states
  function getTypeItem(){
    // try to get defined itms from url
    urlTake = getHash(location.hash, "take") || "5"
    urlType = getHash(location.hash, "type") || "all"
    currPage = getHash(location.hash, "page") || "1"

    selectTake.setAttribute("value", urlTake)
    selectInvoice.setAttribute("value", urlType)
    pagination.setAttribute("take", urlTake)
    pagination.setAttribute("current", currPage)

    const take = Number( urlTake)
    const page = Number(currPage) -1 // page starts at 1
    const type = urlType

    let items = []
    if(type === "all"){
      items=allItems;
    }
    if(type === "paid"){
      items=paid;
    }
    if(type === "open"){
      items=open;
    }

    let from = page*take
    let to = from + take

    const maxPages = Math.ceil(items.length / take)
    // if our page counter is higher than the selection that we're working with, assume you want to "jump to the end" of the collection
    if(page >= maxPages) {
      location.hash = setHash(location.hash,"page", maxPages)
      return getTypeItem()
    }

    eTable.rows =items.slice(from, to)
    pagination.total = items.length;
    pagination.take = take;

    return {
      rows: items.slice(from, to),
      total: items.length,
      take
    }
  }

  //Run once for initial state
  getTypeItem();
</script>
</body>
</html>

Integration

To install this template’s dependencies into your project, run:

npm install @duetds/components
npm install @duetds/css
npm install @duetds/fonts

For further guidelines, please see each package’s documentation.


Tutorials

Follow these practical tutorials to learn how to build simple page layouts using Duet’s CSS Framework, Web Components and other features:

Tutorials

Building Layouts

 Tutorials

Using CLI Tools

 Tutorials

Creating Custom Patterns

 Tutorials

Server Side Rendering

 Tutorials

Sharing Prototypes

 Tutorials

Usage With Markdown

Troubleshooting

If you experience any issues while using a template, please head over to the Support page for more guidelines and help.