100 lines
2.4 KiB
JavaScript
100 lines
2.4 KiB
JavaScript
/**
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* Javascript functionality for the discussion plugin
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*/
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/**
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* Check if a field is blank
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*/
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function isBlank(s){
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if ((s === null) || (s.length === 0)){
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return true;
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}
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for (var i = 0; i < s.length; i++){
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var c = s.charAt(i);
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if ((c != ' ') && (c != '\n') && (c != '\t')){
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return false;
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}
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}
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return true;
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}
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/**
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* Validate an input field
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*/
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function validate(form){
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if(!form) return;
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if (isBlank(form.name.value)){
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form.name.focus();
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form.name.style.backgroundColor = '#fcc';
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return false;
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} else {
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form.name.style.backgroundColor = '#fff';
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}
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if (isBlank(form.mail.value) || form.mail.value.indexOf("@") == -1){
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form.mail.focus();
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form.mail.style.backgroundColor = '#fcc';
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return false;
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} else {
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form.mail.style.backgroundColor = '#fff';
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}
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if (isBlank(form.text.value)){
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form.text.focus();
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form.text.style.borderColor = '#fcc';
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return false;
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}
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}
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/**
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* AJAX preview
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*
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* @author Michael Klier <chi@chimeric.de>
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*/
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function discussion_ajax_preview() {
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var $textarea = jQuery('#discussion__comment_text');
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var comment = $textarea.val();
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var $preview = jQuery('#discussion__comment_preview');
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if (!comment) {
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$preview.hide();
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return;
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}
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$preview.html('<img src="'+DOKU_BASE+'lib/images/throbber.gif" />');
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$preview.show();
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jQuery.post(DOKU_BASE + 'lib/exe/ajax.php',
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{
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'call': 'discussion_preview',
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'comment': comment
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},
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function (data) {
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if (data === '') {
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$preview.hide();
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return;
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}
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$preview.html(data);
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$preview.show();
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$preview.css('visibility', 'visible');
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$preview.css('display', 'inline');
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}, 'html');
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}
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jQuery(function() {
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// init toolbar
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if(typeof window.initToolbar == 'function') {
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initToolbar("discussion__comment_toolbar", "discussion__comment_text", toolbar);
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}
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// init preview button
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jQuery('#discussion__btn_preview').click(discussion_ajax_preview);
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// init field check
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jQuery('#discussion__comment_form').submit(function() { return validate(this); });
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// toggle section visibility
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jQuery('#discussion__btn_toggle_visibility').click(function() {
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jQuery('#comment_wrapper').toggle();
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});
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});
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