githab
/
bootstrap-table


			
				
					
						
						
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							/**
 * @update zhixin wen <wenzhixin2010@gmail.com>
 */

const Utils = $.fn.bootstrapTable.utils

function printPageBuilderDefault (table) {
  return `
  <html>
  <head>
  <style type="text/css" media="print">
  @page {
    size: auto;
    margin: 25px 0 25px 0;
  }
  </style>
  <style type="text/css" media="all">
  table {
    border-collapse: collapse;
    font-size: 12px;
  }
  table, th, td {
    border: 1px solid grey;
  }
  th, td {
    text-align: center;
    vertical-align: middle;
  }
  p {
    font-weight: bold;
    margin-left:20px;
  }
  table {
    width:94%;
    margin-left:3%;
    margin-right:3%;
  }
  div.bs-table-print {
    text-align:center;
  }
  </style>
  </head>
  <title>Print Table</title>
  <body>
  <p>Printed on: ${new Date} </p>
  <div class="bs-table-print">${table}</div>
  </body>
  </html>`
}

$.extend($.fn.bootstrapTable.defaults, {
  showPrint: false,
  printAsFilteredAndSortedOnUI: true,
  printSortColumn: undefined,
  printSortOrder: 'asc',
  printPageBuilder (table) {
    return printPageBuilderDefault(table)
  }
})

$.extend($.fn.bootstrapTable.COLUMN_DEFAULTS, {
  printFilter: undefined,
  printIgnore: false,
  printFormatter: undefined
})

$.extend($.fn.bootstrapTable.defaults.icons, {
  print: {
    bootstrap3: 'glyphicon-print icon-share',
    'bootstrap-table': 'icon-printer'
  }[$.fn.bootstrapTable.theme] || 'fa-print'
})

$.BootstrapTable = class extends $.BootstrapTable {
  initToolbar (...args) {
    this.showToolbar = this.showToolbar || this.options.showPrint

    super.initToolbar(...args)

    if (!this.options.showPrint) {
      return
    }

    const $btnGroup = this.$toolbar.find('>.columns')
    let $print = $btnGroup.find('button.bs-print')

    if (!$print.length) {
      $print = $(`
        <button class="${this.constants.buttonsClass} bs-print" type="button">
        <i class="${this.options.iconsPrefix} ${this.options.icons.print}"></i>
        </button>`
      ).appendTo($btnGroup)
    }

    $print.off('click').on('click', () => {
      this.doPrint(this.options.printAsFilteredAndSortedOnUI ?
        this.getData() : this.options.data.slice(0))
    })
  }

  doPrint (data) {
    const formatValue = (row, i, column ) => {
      const value = Utils.calculateObjectValue(column, column.printFormatter,
        [row[column.field], row, i], row[column.field])

      return typeof value === 'undefined' || value === null
        ? this.options.undefinedText : value
    }

    const buildTable = (data, columnsArray) => {
      const dir = this.$el.attr('dir') || 'ltr'
      const html = [`<table dir="${dir}"><thead>`]

      for (const columns of columnsArray) {
        html.push('<tr>')
        for (let h = 0; h < columns.length; h++) {
          if (!columns[h].printIgnore) {
            html.push(
              `<th
              ${Utils.sprintf(' rowspan="%s"', columns[h].rowspan)}
              ${Utils.sprintf(' colspan="%s"', columns[h].colspan)}
              >${columns[h].title}</th>`)
          }
        }
        html.push('</tr>')
      }

      html.push('</thead><tbody>')

      for (let i = 0; i < data.length; i++) {
        html.push('<tr>')

        for (const columns of columnsArray) {
          for (let j = 0; j < columns.length; j++) {
            if (!columns[j].printIgnore && columns[j].field) {
              html.push('<td>', formatValue(data[i], i, columns[j]), '</td>')
            }
          }
        }

        html.push('</tr>')
      }
      html.push('</tbody></table>')
      return html.join('')
    }

    const sortRows = (data, colName, sortOrder) => {
      if (!colName) {
        return data
      }
      let reverse = sortOrder !== 'asc'
      reverse = -((+reverse) || -1)
      return data.sort((a, b) => reverse * (a[colName].localeCompare(b[colName])))
    }

    const filterRow = (row, filters) => {
      for (let index = 0; index < filters.length; ++index) {
        if (row[filters[index].colName] !== filters[index].value) {
          return false
        }
      }
      return true
    }

    const filterRows = (data, filters) => data.filter(row => filterRow(row,filters))

    const getColumnFilters = columns => !columns || !columns[0] ? [] : columns[0].filter(col => col.printFilter).map(col => ({
      colName: col.field,
      value: col.printFilter
    }))

    data = filterRows(data,getColumnFilters(this.options.columns))
    data = sortRows(data, this.options.printSortColumn, this.options.printSortOrder)
    const table = buildTable(data, this.options.columns)
    const newWin = window.open('')
    newWin.document.write(this.options.printPageBuilder.call(this, table))
    newWin.document.close()
    newWin.focus()
    newWin.print()
    newWin.close()
  }
}