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1 // $Id: tableselect.js,v 1.8 2007/11/19 12:15:16 goba Exp $ |
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2 |
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3 Drupal.behaviors.tableSelect = function (context) { |
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4 $('form table:has(th.select-all):not(.tableSelect-processed)', context).each(Drupal.tableSelect); |
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5 }; |
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6 |
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7 Drupal.tableSelect = function() { |
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8 // Do not add a "Select all" checkbox if there are no rows with checkboxes in the table |
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9 if ($('td input:checkbox', this).size() == 0) { |
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10 return; |
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11 } |
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12 |
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13 // Keep track of the table, which checkbox is checked and alias the settings. |
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14 var table = this, checkboxes, lastChecked; |
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15 var strings = { 'selectAll': Drupal.t('Select all rows in this table'), 'selectNone': Drupal.t('Deselect all rows in this table') }; |
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16 var updateSelectAll = function(state) { |
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17 $('th.select-all input:checkbox', table).each(function() { |
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18 $(this).attr('title', state ? strings.selectNone : strings.selectAll); |
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19 this.checked = state; |
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20 }); |
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21 }; |
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22 |
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23 // Find all <th> with class select-all, and insert the check all checkbox. |
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24 $('th.select-all', table).prepend($('<input type="checkbox" class="form-checkbox" />').attr('title', strings.selectAll)).click(function(event) { |
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25 if ($(event.target).is('input:checkbox')) { |
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26 // Loop through all checkboxes and set their state to the select all checkbox' state. |
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27 checkboxes.each(function() { |
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28 this.checked = event.target.checked; |
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29 // Either add or remove the selected class based on the state of the check all checkbox. |
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30 $(this).parents('tr:first')[ this.checked ? 'addClass' : 'removeClass' ]('selected'); |
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31 }); |
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32 // Update the title and the state of the check all box. |
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33 updateSelectAll(event.target.checked); |
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34 } |
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35 }); |
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36 |
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37 // For each of the checkboxes within the table. |
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38 checkboxes = $('td input:checkbox', table).click(function(e) { |
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39 // Either add or remove the selected class based on the state of the check all checkbox. |
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40 $(this).parents('tr:first')[ this.checked ? 'addClass' : 'removeClass' ]('selected'); |
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41 |
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42 // If this is a shift click, we need to highlight everything in the range. |
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43 // Also make sure that we are actually checking checkboxes over a range and |
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44 // that a checkbox has been checked or unchecked before. |
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45 if (e.shiftKey && lastChecked && lastChecked != e.target) { |
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46 // We use the checkbox's parent TR to do our range searching. |
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47 Drupal.tableSelectRange($(e.target).parents('tr')[0], $(lastChecked).parents('tr')[0], e.target.checked); |
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48 } |
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49 |
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50 // If all checkboxes are checked, make sure the select-all one is checked too, otherwise keep unchecked. |
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51 updateSelectAll((checkboxes.length == $(checkboxes).filter(':checked').length)); |
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52 |
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53 // Keep track of the last checked checkbox. |
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54 lastChecked = e.target; |
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55 }); |
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56 $(this).addClass('tableSelect-processed'); |
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57 }; |
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58 |
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59 Drupal.tableSelectRange = function(from, to, state) { |
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60 // We determine the looping mode based on the the order of from and to. |
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61 var mode = from.rowIndex > to.rowIndex ? 'previousSibling' : 'nextSibling'; |
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62 |
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63 // Traverse through the sibling nodes. |
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64 for (var i = from[mode]; i; i = i[mode]) { |
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65 // Make sure that we're only dealing with elements. |
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66 if (i.nodeType != 1) { |
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67 continue; |
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68 } |
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69 |
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70 // Either add or remove the selected class based on the state of the target checkbox. |
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71 $(i)[ state ? 'addClass' : 'removeClass' ]('selected'); |
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72 $('input:checkbox', i).each(function() { |
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73 this.checked = state; |
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74 }); |
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75 |
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76 if (to.nodeType) { |
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77 // If we are at the end of the range, stop. |
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78 if (i == to) { |
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79 break; |
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80 } |
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81 } |
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82 // A faster alternative to doing $(i).filter(to).length. |
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83 else if (jQuery.filter(to, [i]).r.length) { |
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84 break; |
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85 } |
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86 } |
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87 }; |
