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1 // $Id: teaser.js,v 1.12.2.1 2009/05/20 11:50:54 goba Exp $ |
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2 |
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3 /** |
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4 * Auto-attach for teaser behavior. |
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5 * |
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6 * Note: depends on resizable textareas. |
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7 */ |
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8 Drupal.behaviors.teaser = function(context) { |
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9 // This breaks in Konqueror. Prevent it from running. |
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10 if (/KDE/.test(navigator.vendor)) { |
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11 return; |
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12 } |
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13 |
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14 $('textarea.teaser:not(.teaser-processed)', context).each(function() { |
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15 var teaser = $(this).addClass('teaser-processed'); |
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16 |
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17 // Move teaser textarea before body, and remove its form-item wrapper. |
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18 var body = $('#'+ Drupal.settings.teaser[this.id]); |
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19 var checkbox = $('#'+ Drupal.settings.teaserCheckbox[this.id]).parent(); |
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20 var checked = $(checkbox).children('input').attr('checked') ? true : false; |
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21 var parent = teaser[0].parentNode; |
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22 $(body).before(teaser); |
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23 $(parent).remove(); |
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24 |
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25 function trim(text) { |
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26 return text.replace(/^\s+/g, '').replace(/\s+$/g, ''); |
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27 } |
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28 |
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29 // Join the teaser back to the body. |
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30 function join_teaser() { |
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31 if (teaser.val()) { |
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32 body.val(trim(teaser.val()) +'\r\n\r\n'+ trim(body.val())); |
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33 } |
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34 // Empty, hide and disable teaser. |
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35 teaser[0].value = ''; |
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36 $(teaser).attr('disabled', 'disabled'); |
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37 $(teaser).parent().slideUp('fast'); |
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38 // Change label. |
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39 $(this).val(Drupal.t('Split summary at cursor')); |
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40 // Hide separate teaser checkbox. |
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41 $(checkbox).hide(); |
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42 // Force a hidden checkbox to be checked (to ensure that the body is |
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43 // correctly processed on form submit when teaser/body are in joined |
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44 // state), and remember the current checked status. |
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45 checked = $(checkbox).children('input').attr('checked') ? true : false; |
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46 $(checkbox).children('input').attr('checked', true); |
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47 } |
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48 |
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49 // Split the teaser from the body. |
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50 function split_teaser() { |
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51 body[0].focus(); |
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52 var selection = Drupal.getSelection(body[0]); |
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53 var split = selection.start; |
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54 var text = body.val(); |
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55 |
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56 // Note: using val() fails sometimes. jQuery bug? |
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57 teaser[0].value = trim(text.slice(0, split)); |
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58 body[0].value = trim(text.slice(split)); |
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59 // Reveal and enable teaser |
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60 $(teaser).attr('disabled', ''); |
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61 $(teaser).parent().slideDown('fast'); |
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62 // Change label |
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63 $(this).val(Drupal.t('Join summary')); |
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64 // Show separate teaser checkbox, restore checked value. |
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65 $(checkbox).show().children('input').attr('checked', checked); |
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66 } |
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67 |
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68 // Add split/join button. |
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69 var button = $('<div class="teaser-button-wrapper"><input type="button" class="teaser-button" /></div>'); |
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70 var include = $('#'+ this.id.substring(0, this.id.length - 2) +'include'); |
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71 $(include).parent().parent().before(button); |
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72 |
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73 // Extract the teaser from the body, if set. Otherwise, stay in joined mode. |
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74 var text = body.val().split('<!--break-->'); |
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75 if (text.length >= 2) { |
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76 teaser[0].value = trim(text.shift()); |
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77 body[0].value = trim(text.join('<!--break-->')); |
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78 $(teaser).attr('disabled', ''); |
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79 $('input', button).val(Drupal.t('Join summary')).toggle(join_teaser, split_teaser); |
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80 } |
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81 else { |
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82 $('input', button).val(Drupal.t('Split summary at cursor')).toggle(split_teaser, join_teaser); |
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83 $(checkbox).hide().children('input').attr('checked', true); |
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84 } |
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85 |
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86 // Make sure that textarea.js has done its magic to ensure proper visibility state. |
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87 if (Drupal.behaviors.textarea && teaser.is(('.form-textarea:not(.textarea-processed)'))) { |
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88 Drupal.behaviors.textarea(teaser.parentNode); |
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89 } |
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90 // Set initial visibility |
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91 if ($(teaser).is('[@disabled]')) { |
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92 $(teaser).parent().hide(); |
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93 } |
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94 |
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95 }); |
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96 }; |