78 lines
2.5 KiB
JavaScript
78 lines
2.5 KiB
JavaScript
// $Id$
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/**
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* Auto-attach for teaser behaviour.
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*
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* Note: depends on resizable textareas.
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*/
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Drupal.behaviors.teaser = function(context) {
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$('textarea.teaser:not(.teaser-processed)', context).each(function() {
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var teaser = $(this).addClass('teaser-processed');
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// Move teaser textarea before body, and remove its form-item wrapper.
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var body = $('#'+ Drupal.settings.teaser[this.id]);
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var checkbox = $('#'+ Drupal.settings.teaserCheckbox[this.id]).parent();
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var parent = teaser[0].parentNode;
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$(body).before(teaser);
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$(parent).remove();
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function trim(text) {
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return text.replace(/^\s+/g, '').replace(/\s+$/g, '');
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}
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// Join the teaser back to the body.
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function join_teaser() {
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if (teaser.val()) {
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body.val(trim(teaser.val()) +'\r\n\r\n'+ trim(body.val()));
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}
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// Hide and disable teaser
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$(teaser).attr('disabled', 'disabled');
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$(teaser).parent().slideUp('fast');
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// Change label
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$(this).val(Drupal.t('Split summary at cursor'));
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// Show separate teaser checkbox
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$(checkbox).hide();
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}
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// Split the teaser from the body.
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function split_teaser() {
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body[0].focus();
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var selection = Drupal.getSelection(body[0]);
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var split = selection.start;
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var text = body.val();
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// Note: using val() fails sometimes. jQuery bug?
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teaser[0].value = trim(text.slice(0, split));
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body[0].value = trim(text.slice(split));
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// Reveal and enable teaser
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$(teaser).attr('disabled', '');
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$(teaser).parent().slideDown('fast');
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// Change label
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$(this).val(Drupal.t('Join summary'));
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// Show separate teaser checkbox
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$(checkbox).show();
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}
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// Add split/join button.
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var button = $('<div class="teaser-button-wrapper"><input type="button" class="teaser-button" /></div>');
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var include = $('#'+ this.id.substring(0, this.id.length - 2) +'include');
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$(include).parent().parent().before(button);
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// Extract the teaser from the body, if set. Otherwise, stay in joined mode.
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var text = body.val().split('<!--break-->', 2);
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if (text.length == 2) {
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teaser[0].value = trim(text[0]);
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body[0].value = trim(text[1]);
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$(teaser).attr('disabled', '');
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$('input', button).val(Drupal.t('Join summary')).toggle(join_teaser, split_teaser);
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$(teaser).show();
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}
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else {
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$(teaser).hide();
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$('input', button).val(Drupal.t('Split summary at cursor')).toggle(split_teaser, join_teaser);
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$(checkbox).hide();
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}
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});
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};
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