1 | (function ($) {
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2 |
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3 | $.extend(true, window, {
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4 | "Slick": {
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5 | "CheckboxSelectColumn": CheckboxSelectColumn
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6 | }
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7 | });
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8 |
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9 |
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10 | function CheckboxSelectColumn(options) {
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11 | var _grid;
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12 | var _selectableOverride = null;
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13 | var _selectAll_UID = createUID();
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14 | var _handler = new Slick.EventHandler();
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15 | var _selectedRowsLookup = {};
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16 | var _defaults = {
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17 | columnId: "_checkbox_selector",
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18 | cssClass: null,
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19 | hideSelectAllCheckbox: false,
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20 | toolTip: "Select/Deselect All",
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21 | width: 30,
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22 | hideInColumnTitleRow: false,
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23 | hideInFilterHeaderRow: true
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24 | };
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25 | var _isSelectAllChecked = false;
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26 |
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27 | var _options = $.extend(true, {}, _defaults, options);
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28 |
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29 |
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30 | if (typeof _options.selectableOverride === 'function') {
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31 | selectableOverride(_options.selectableOverride);
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32 | }
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33 |
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34 | function init(grid) {
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35 | _grid = grid;
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36 | _handler
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37 | .subscribe(_grid.onSelectedRowsChanged, handleSelectedRowsChanged)
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38 | .subscribe(_grid.onClick, handleClick)
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39 | .subscribe(_grid.onKeyDown, handleKeyDown);
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40 |
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41 | if (!_options.hideInFilterHeaderRow) {
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42 | addCheckboxToFilterHeaderRow(grid);
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43 | }
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44 | if (!_options.hideInColumnTitleRow) {
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45 | _handler.subscribe(_grid.onHeaderClick, handleHeaderClick);
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46 | }
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47 | }
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48 |
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49 | function destroy() {
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50 | _handler.unsubscribeAll();
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51 | }
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52 |
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53 | function getOptions() {
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54 | return _options;
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55 | }
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56 |
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57 | function setOptions(options) {
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58 | _options = $.extend(true, {}, _options, options);
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59 |
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60 | if (_options.hideSelectAllCheckbox) {
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61 | hideSelectAllFromColumnHeaderTitleRow();
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62 | hideSelectAllFromColumnHeaderFilterRow();
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63 | } else {
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64 | if (!_options.hideInColumnTitleRow) {
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65 | renderSelectAllCheckbox(_isSelectAllChecked);
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66 | _handler.subscribe(_grid.onHeaderClick, handleHeaderClick);
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67 | } else {
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68 | hideSelectAllFromColumnHeaderTitleRow();
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69 | }
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70 |
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71 | if (!_options.hideInFilterHeaderRow) {
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72 | var selectAllContainer = $("#filter-checkbox-selectall-container");
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73 | selectAllContainer.show();
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74 | selectAllContainer.find('input[type="checkbox"]').prop("checked", _isSelectAllChecked);
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75 | } else {
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76 | hideSelectAllFromColumnHeaderFilterRow();
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77 | }
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78 | }
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79 | }
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80 |
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81 | function hideSelectAllFromColumnHeaderTitleRow() {
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82 | _grid.updateColumnHeader(_options.columnId, "", "");
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83 | }
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84 |
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85 | function hideSelectAllFromColumnHeaderFilterRow() {
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86 | $("#filter-checkbox-selectall-container").hide();
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87 | }
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88 |
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89 | function handleSelectedRowsChanged(e, args) {
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90 | var selectedRows = _grid.getSelectedRows();
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91 | var lookup = {}, row, i, k;
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92 | var disabledCount = 0;
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93 | if (typeof _selectableOverride === 'function') {
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94 | for (k = 0; k < _grid.getDataLength(); k++) {
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95 |
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96 | var dataItem = _grid.getDataItem(k);
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97 | if (!checkSelectableOverride(i, dataItem, _grid)) {
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98 | disabledCount++;
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99 | }
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100 | }
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101 | }
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102 |
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103 | var removeList = [];
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104 | for (i = 0; i < selectedRows.length; i++) {
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105 | row = selectedRows[i];
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106 |
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107 |
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108 | var rowItem = _grid.getDataItem(row);
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109 | if (checkSelectableOverride(i, rowItem, _grid)) {
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110 | lookup[row] = true;
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111 | if (lookup[row] !== _selectedRowsLookup[row]) {
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112 | _grid.invalidateRow(row);
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113 | delete _selectedRowsLookup[row];
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114 | }
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115 | }
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116 | else {
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117 | removeList.push(row);
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118 | }
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119 | }
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120 | for (i in _selectedRowsLookup) {
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121 | _grid.invalidateRow(i);
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122 | }
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123 | _selectedRowsLookup = lookup;
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124 | _grid.render();
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125 | _isSelectAllChecked = selectedRows.length && selectedRows.length + disabledCount >= _grid.getDataLength();
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126 |
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127 | if (!_options.hideInColumnTitleRow && !_options.hideSelectAllCheckbox) {
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128 | renderSelectAllCheckbox(_isSelectAllChecked);
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129 | }
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130 | if (!_options.hideInFilterHeaderRow) {
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131 | var selectAllElm = $("#header-filter-selector" + _selectAll_UID);
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132 | selectAllElm.prop("checked", _isSelectAllChecked);
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133 | }
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134 |
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135 | if (removeList.length > 0) {
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136 | for (i = 0; i < removeList.length; i++) {
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137 | var remIdx = selectedRows.indexOf(removeList[i]);
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138 | selectedRows.splice(remIdx, 1);
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139 | }
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140 | _grid.setSelectedRows(selectedRows);
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141 | }
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142 | }
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143 |
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144 | function handleKeyDown(e, args) {
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145 | if (e.which == 32) {
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146 | if (_grid.getColumns()[args.cell].id === _options.columnId) {
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147 |
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148 | if (!_grid.getEditorLock().isActive() || _grid.getEditorLock().commitCurrentEdit()) {
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149 | toggleRowSelection(args.row);
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150 | }
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151 | e.preventDefault();
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152 | e.stopImmediatePropagation();
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153 | }
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154 | }
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155 | }
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156 |
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157 | function handleClick(e, args) {
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158 |
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159 | if (_grid.getColumns()[args.cell].id === _options.columnId && $(e.target).is(":checkbox")) {
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160 |
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161 | if (_grid.getEditorLock().isActive() && !_grid.getEditorLock().commitCurrentEdit()) {
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162 | e.preventDefault();
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163 | e.stopImmediatePropagation();
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164 | return;
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165 | }
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166 |
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167 | toggleRowSelection(args.row);
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168 | e.stopPropagation();
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169 | e.stopImmediatePropagation();
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170 | }
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171 | }
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172 |
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173 | function toggleRowSelection(row) {
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174 | var dataContext = _grid.getDataItem(row);
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175 | if (!checkSelectableOverride(row, dataContext, _grid)) {
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176 | return;
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177 | }
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178 |
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179 | if (_selectedRowsLookup[row]) {
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180 | _grid.setSelectedRows($.grep(_grid.getSelectedRows(), function (n) {
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181 | return n != row;
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182 | }));
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183 | } else {
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184 | _grid.setSelectedRows(_grid.getSelectedRows().concat(row));
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185 | }
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186 | _grid.setActiveCell(row, getCheckboxColumnCellIndex());
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187 | }
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188 |
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189 | function selectRows(rowArray) {
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190 | var i, l = rowArray.length, addRows = [];
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191 | for (i = 0; i < l; i++) {
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192 | if (!_selectedRowsLookup[rowArray[i]]) {
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193 | addRows[addRows.length] = rowArray[i];
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194 | }
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195 | }
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196 | _grid.setSelectedRows(_grid.getSelectedRows().concat(addRows));
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197 | }
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198 |
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199 | function deSelectRows(rowArray) {
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200 | var i, l = rowArray.length, removeRows = [];
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201 | for (i = 0; i < l; i++) {
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202 | if (_selectedRowsLookup[rowArray[i]]) {
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203 | removeRows[removeRows.length] = rowArray[i];
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204 | }
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205 | }
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206 | _grid.setSelectedRows($.grep(_grid.getSelectedRows(), function (n) {
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207 | return removeRows.indexOf(n) < 0;
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208 | }));
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209 | }
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210 |
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211 | function handleHeaderClick(e, args) {
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212 | if (args.column.id == _options.columnId && $(e.target).is(":checkbox")) {
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213 |
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214 | if (_grid.getEditorLock().isActive() && !_grid.getEditorLock().commitCurrentEdit()) {
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215 | e.preventDefault();
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216 | e.stopImmediatePropagation();
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217 | return;
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218 | }
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219 |
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220 | if ($(e.target).is(":checked")) {
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221 | var rows = [];
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222 | for (var i = 0; i < _grid.getDataLength(); i++) {
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223 |
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224 | var rowItem = _grid.getDataItem(i);
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225 | if (checkSelectableOverride(i, rowItem, _grid)) {
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226 | rows.push(i);
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227 | }
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228 | }
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229 | _grid.setSelectedRows(rows);
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230 | } else {
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231 | _grid.setSelectedRows([]);
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232 | }
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233 | e.stopPropagation();
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234 | e.stopImmediatePropagation();
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235 | }
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236 | }
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237 |
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238 | var _checkboxColumnCellIndex = null;
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239 |
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240 | function getCheckboxColumnCellIndex() {
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241 | if (_checkboxColumnCellIndex === null) {
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242 | _checkboxColumnCellIndex = 0;
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243 | var colArr = _grid.getColumns();
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244 | for (var i = 0; i < colArr.length; i++) {
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245 | if (colArr[i].id == _options.columnId) {
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246 | _checkboxColumnCellIndex = i;
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247 | }
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248 | }
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249 | }
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250 | return _checkboxColumnCellIndex;
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251 | }
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252 |
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253 | function getColumnDefinition() {
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254 | return {
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255 | id: _options.columnId,
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256 | name: (_options.hideSelectAllCheckbox || _options.hideInColumnTitleRow) ? "" : "<input id='header-selector" + _selectAll_UID + "' type='checkbox'><label for='header-selector" + _selectAll_UID + "'></label>",
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257 | toolTip: (_options.hideSelectAllCheckbox || _options.hideInColumnTitleRow) ? "" : _options.toolTip,
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258 | field: "sel",
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259 | width: _options.width,
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260 | resizable: false,
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261 | sortable: false,
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262 | cssClass: _options.cssClass,
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263 | hideSelectAllCheckbox: _options.hideSelectAllCheckbox,
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264 | formatter: checkboxSelectionFormatter
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265 | };
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266 | }
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267 |
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268 | function addCheckboxToFilterHeaderRow(grid) {
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269 | _handler.subscribe(grid.onHeaderRowCellRendered, function (e, args) {
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270 | if (args.column.field === "sel") {
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271 | $(args.node).empty();
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272 | $("<span id='filter-checkbox-selectall-container'><input id='header-filter-selector" + _selectAll_UID + "' type='checkbox'><label for='header-filter-selector" + _selectAll_UID + "'></label></span>")
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273 | .appendTo(args.node)
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274 | .on('click', function (evnt) {
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275 | handleHeaderClick(evnt, args);
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276 | });
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277 | }
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278 | });
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279 | }
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280 |
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281 | function createUID() {
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282 | return Math.round(10000000 * Math.random());
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283 | }
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284 |
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285 | function checkboxSelectionFormatter(row, cell, value, columnDef, dataContext, grid) {
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286 | var UID = createUID() + row;
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287 |
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288 | if (dataContext) {
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289 | if (!checkSelectableOverride(row, dataContext, grid)) {
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290 | return null;
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291 | } else {
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292 | return _selectedRowsLookup[row]
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293 | ? "<input id='selector" + UID + "' type='checkbox' checked='checked'><label for='selector" + UID + "'></label>"
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294 | : "<input id='selector" + UID + "' type='checkbox'><label for='selector" + UID + "'></label>";
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295 | }
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296 | }
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297 | return null;
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298 | }
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299 |
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300 | function checkSelectableOverride(row, dataContext, grid) {
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301 | if (typeof _selectableOverride === 'function') {
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302 | return _selectableOverride(row, dataContext, grid);
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303 | }
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304 | return true;
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305 | }
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306 |
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307 | function renderSelectAllCheckbox(isSelectAllChecked) {
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308 | if (isSelectAllChecked) {
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309 | _grid.updateColumnHeader(_options.columnId, "<input id='header-selector" + _selectAll_UID + "' type='checkbox' checked='checked'><label for='header-selector" + _selectAll_UID + "'></label>", _options.toolTip);
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310 | } else {
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311 | _grid.updateColumnHeader(_options.columnId, "<input id='header-selector" + _selectAll_UID + "' type='checkbox'><label for='header-selector" + _selectAll_UID + "'></label>", _options.toolTip);
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312 | }
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313 | }
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314 |
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315 | |
316 |
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317 |
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318 |
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319 |
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320 | function selectableOverride(overrideFn) {
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321 | _selectableOverride = overrideFn;
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322 | }
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323 |
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324 |
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325 | $.extend(this, {
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326 | "init": init,
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327 | "destroy": destroy,
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328 | "pluginName": "CheckboxSelectColumn",
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329 |
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330 | "deSelectRows": deSelectRows,
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331 | "selectRows": selectRows,
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332 | "getColumnDefinition": getColumnDefinition,
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333 | "getOptions": getOptions,
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334 | "selectableOverride": selectableOverride,
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335 | "setOptions": setOptions,
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336 | });
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337 | }
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338 | })(jQuery); |
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