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annotate misc/teaser.js @ 1:c1f4ac30525a 6.0

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Drupal 6.0
author Franck Deroche <webmaster@defr.org>
date Tue, 23 Dec 2008 14:28:28 +0100
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webmaster@1 1 // $Id: teaser.js,v 1.12 2008/01/09 12:10:04 goba Exp $
webmaster@1 2
webmaster@1 3 /**
webmaster@1 4 * Auto-attach for teaser behavior.
webmaster@1 5 *
webmaster@1 6 * Note: depends on resizable textareas.
webmaster@1 7 */
webmaster@1 8 Drupal.behaviors.teaser = function(context) {
webmaster@1 9 // This breaks in Konqueror. Prevent it from running.
webmaster@1 10 if (/KDE/.test(navigator.vendor)) {
webmaster@1 11 return;
webmaster@1 12 }
webmaster@1 13
webmaster@1 14 $('textarea.teaser:not(.teaser-processed)', context).each(function() {
webmaster@1 15 var teaser = $(this).addClass('teaser-processed');
webmaster@1 16
webmaster@1 17 // Move teaser textarea before body, and remove its form-item wrapper.
webmaster@1 18 var body = $('#'+ Drupal.settings.teaser[this.id]);
webmaster@1 19 var checkbox = $('#'+ Drupal.settings.teaserCheckbox[this.id]).parent();
webmaster@1 20 var checked = $(checkbox).children('input').attr('checked') ? true : false;
webmaster@1 21 var parent = teaser[0].parentNode;
webmaster@1 22 $(body).before(teaser);
webmaster@1 23 $(parent).remove();
webmaster@1 24
webmaster@1 25 function trim(text) {
webmaster@1 26 return text.replace(/^\s+/g, '').replace(/\s+$/g, '');
webmaster@1 27 }
webmaster@1 28
webmaster@1 29 // Join the teaser back to the body.
webmaster@1 30 function join_teaser() {
webmaster@1 31 if (teaser.val()) {
webmaster@1 32 body.val(trim(teaser.val()) +'\r\n\r\n'+ trim(body.val()));
webmaster@1 33 }
webmaster@1 34 // Empty, hide and disable teaser.
webmaster@1 35 teaser[0].value = '';
webmaster@1 36 $(teaser).attr('disabled', 'disabled');
webmaster@1 37 $(teaser).parent().slideUp('fast');
webmaster@1 38 // Change label.
webmaster@1 39 $(this).val(Drupal.t('Split summary at cursor'));
webmaster@1 40 // Hide separate teaser checkbox.
webmaster@1 41 $(checkbox).hide();
webmaster@1 42 // Force a hidden checkbox to be checked (to ensure that the body is
webmaster@1 43 // correctly processed on form submit when teaser/body are in joined
webmaster@1 44 // state), and remember the current checked status.
webmaster@1 45 checked = $(checkbox).children('input').attr('checked') ? true : false;
webmaster@1 46 $(checkbox).children('input').attr('checked', true);
webmaster@1 47 }
webmaster@1 48
webmaster@1 49 // Split the teaser from the body.
webmaster@1 50 function split_teaser() {
webmaster@1 51 body[0].focus();
webmaster@1 52 var selection = Drupal.getSelection(body[0]);
webmaster@1 53 var split = selection.start;
webmaster@1 54 var text = body.val();
webmaster@1 55
webmaster@1 56 // Note: using val() fails sometimes. jQuery bug?
webmaster@1 57 teaser[0].value = trim(text.slice(0, split));
webmaster@1 58 body[0].value = trim(text.slice(split));
webmaster@1 59 // Reveal and enable teaser
webmaster@1 60 $(teaser).attr('disabled', '');
webmaster@1 61 $(teaser).parent().slideDown('fast');
webmaster@1 62 // Change label
webmaster@1 63 $(this).val(Drupal.t('Join summary'));
webmaster@1 64 // Show separate teaser checkbox, restore checked value.
webmaster@1 65 $(checkbox).show().children('input').attr('checked', checked);
webmaster@1 66 }
webmaster@1 67
webmaster@1 68 // Add split/join button.
webmaster@1 69 var button = $('<div class="teaser-button-wrapper"><input type="button" class="teaser-button" /></div>');
webmaster@1 70 var include = $('#'+ this.id.substring(0, this.id.length - 2) +'include');
webmaster@1 71 $(include).parent().parent().before(button);
webmaster@1 72
webmaster@1 73 // Extract the teaser from the body, if set. Otherwise, stay in joined mode.
webmaster@1 74 var text = body.val().split('<!--break-->', 2);
webmaster@1 75 if (text.length == 2) {
webmaster@1 76 teaser[0].value = trim(text[0]);
webmaster@1 77 body[0].value = trim(text[1]);
webmaster@1 78 $(teaser).attr('disabled', '');
webmaster@1 79 $('input', button).val(Drupal.t('Join summary')).toggle(join_teaser, split_teaser);
webmaster@1 80 }
webmaster@1 81 else {
webmaster@1 82 $('input', button).val(Drupal.t('Split summary at cursor')).toggle(split_teaser, join_teaser);
webmaster@1 83 $(checkbox).hide().children('input').attr('checked', true);
webmaster@1 84 }
webmaster@1 85
webmaster@1 86 // Make sure that textarea.js has done its magic to ensure proper visibility state.
webmaster@1 87 if (Drupal.behaviors.textarea && teaser.is(('.form-textarea:not(.textarea-processed)'))) {
webmaster@1 88 Drupal.behaviors.textarea(teaser.parentNode);
webmaster@1 89 }
webmaster@1 90 // Set initial visibility
webmaster@1 91 if ($(teaser).is('[@disabled]')) {
webmaster@1 92 $(teaser).parent().hide();
webmaster@1 93 }
webmaster@1 94
webmaster@1 95 });
webmaster@1 96 };