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1 // $Id: collapse.js,v 1.17 2008/01/29 10:58:25 goba Exp $ |
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2 |
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3 /** |
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4 * Toggle the visibility of a fieldset using smooth animations |
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5 */ |
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6 Drupal.toggleFieldset = function(fieldset) { |
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7 if ($(fieldset).is('.collapsed')) { |
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8 // Action div containers are processed separately because of a IE bug |
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9 // that alters the default submit button behavior. |
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10 var content = $('> div:not(.action)', fieldset); |
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11 $(fieldset).removeClass('collapsed'); |
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12 content.hide(); |
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13 content.slideDown( { |
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14 duration: 'fast', |
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15 easing: 'linear', |
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16 complete: function() { |
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17 Drupal.collapseScrollIntoView(this.parentNode); |
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18 this.parentNode.animating = false; |
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19 $('div.action', fieldset).show(); |
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20 }, |
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21 step: function() { |
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22 // Scroll the fieldset into view |
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23 Drupal.collapseScrollIntoView(this.parentNode); |
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24 } |
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25 }); |
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26 } |
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27 else { |
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28 $('div.action', fieldset).hide(); |
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29 var content = $('> div:not(.action)', fieldset).slideUp('fast', function() { |
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30 $(this.parentNode).addClass('collapsed'); |
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31 this.parentNode.animating = false; |
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32 }); |
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33 } |
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34 }; |
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35 |
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36 /** |
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37 * Scroll a given fieldset into view as much as possible. |
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38 */ |
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39 Drupal.collapseScrollIntoView = function (node) { |
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40 var h = self.innerHeight || document.documentElement.clientHeight || $('body')[0].clientHeight || 0; |
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41 var offset = self.pageYOffset || document.documentElement.scrollTop || $('body')[0].scrollTop || 0; |
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42 var posY = $(node).offset().top; |
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43 var fudge = 55; |
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44 if (posY + node.offsetHeight + fudge > h + offset) { |
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45 if (node.offsetHeight > h) { |
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46 window.scrollTo(0, posY); |
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47 } else { |
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48 window.scrollTo(0, posY + node.offsetHeight - h + fudge); |
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49 } |
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50 } |
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51 }; |
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52 |
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53 Drupal.behaviors.collapse = function (context) { |
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54 $('fieldset.collapsible > legend:not(.collapse-processed)', context).each(function() { |
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55 var fieldset = $(this.parentNode); |
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56 // Expand if there are errors inside |
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57 if ($('input.error, textarea.error, select.error', fieldset).size() > 0) { |
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58 fieldset.removeClass('collapsed'); |
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59 } |
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60 |
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61 // Turn the legend into a clickable link and wrap the contents of the fieldset |
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62 // in a div for easier animation |
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63 var text = this.innerHTML; |
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64 $(this).empty().append($('<a href="#">'+ text +'</a>').click(function() { |
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65 var fieldset = $(this).parents('fieldset:first')[0]; |
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66 // Don't animate multiple times |
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67 if (!fieldset.animating) { |
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68 fieldset.animating = true; |
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69 Drupal.toggleFieldset(fieldset); |
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70 } |
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71 return false; |
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72 })) |
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73 .after($('<div class="fieldset-wrapper"></div>') |
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74 .append(fieldset.children(':not(legend):not(.action)'))) |
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75 .addClass('collapse-processed'); |
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76 }); |
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77 }; |
