/**
* Live preview script for MediaWiki
- *
- * 2007-04-25 – Nikerabbit:
- * Worked around text cutoff in mozilla-based browsers
- * Support for categories
*/
-
-lpIdPreview = 'wikiPreview';
-lpIdCategories = 'catlinks';
-lpIdDiff = 'wikiDiff';
-
-/*
- * Returns XMLHttpRequest based on browser support or null
- */
-function openXMLHttpRequest() {
- if( window.XMLHttpRequest ) {
- return new XMLHttpRequest();
- } else if( window.ActiveXObject && navigator.platform != 'MacPPC' ) {
- // IE/Mac has an ActiveXObject but it doesn't work.
- return new ActiveXObject("Microsoft.XMLHTTP");
- } else {
- return null;
- }
-}
-
-/**
- * Returns true if could open the request,
- * false otherwise (eg no browser support).
- */
-function lpDoPreview(text, postUrl) {
- lpRequest = openXMLHttpRequest();
- if( !lpRequest ) return false;
-
- lpRequest.onreadystatechange = lpStatusUpdate;
- lpRequest.open("POST", postUrl, true);
-
- var postData = 'wpTextbox1=' + encodeURIComponent(text);
- lpRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
- lpRequest.send(postData);
- return true;
-}
-
-function lpStatusUpdate() {
-
- /* We are at some stage of loading */
- if (lpRequest.readyState > 0 && lpRequest.readyState < 4) {
- notify(i18n(wgLivepreviewMessageLoading));
- }
-
- /* Not loaded yet */
- if(lpRequest.readyState != 4) {
- return;
- }
-
- /* We got response, bug it not what we wanted */
- if( lpRequest.status != 200 ) {
- var keys = new Array();
- keys[0] = lpRequest.status;
- keys[1] = lpRequest.statusText;
- window.alert(i18n(wgLivepreviewMessageError, keys));
- lpShowNormalPreview();
- return;
- }
-
- /* All good */
- dismissNotify(i18n(wgLivepreviewMessageReady), 750);
-
+function setupLivePreview() {
+ var livePreviewButton = $j('#wpLivePreview');
- var XMLObject = lpRequest.responseXML.documentElement;
-
-
- /* Work around Firefox (Gecko?) limitation where it shows only the first 4096
- * bytes of data. Ref: http://www.thescripts.com/forum/thread482760.html
- */
- XMLObject.normalize();
-
- var previewElement = XMLObject.getElementsByTagName('preview')[0];
- var categoryElement = XMLObject.getElementsByTagName('category')[0];
-
- /* Hide the active diff if it exists */
- var diff = document.getElementById(lpIdDiff);
- if ( diff ) { diff.style.display = 'none'; }
-
- /* Inject preview */
- var previewContainer = document.getElementById( lpIdPreview );
- if ( previewContainer && previewElement ) {
- previewContainer.innerHTML = previewElement.firstChild.data;
- previewContainer.style.display = 'block';
- } else {
- /* Should never happen */
- window.alert(i18n(wgLivepreviewMessageFailed));
- lpShowNormalPreview();
- return;
- }
-
-
- /* Inject categories */
- var categoryContainer = document.getElementById( lpIdCategories );
- if ( categoryElement && categoryElement.firstChild ) {
- if ( categoryContainer ) {
- categoryContainer.innerHTML = categoryElement.firstChild.data;
- /* May be hidden */
- categoryContainer.style.display = 'block';
- } else {
- /* Just dump them somewhere */
- /* previewContainer.innerHTML += categoryElement.firstChild.data;*/
- }
- } else {
- /* Nothing to show, hide old data */
- if ( categoryContainer ) {
- categoryContainer.style.display = 'none';
- }
- }
-
+ livePreviewButton.click( doLivePreview );
}
-function lpShowNormalPreview() {
- var fallback = document.getElementById('wpPreview');
- if ( fallback ) { fallback.style.display = 'inline'; }
-}
-
-
-// TODO: move elsewhere
-/* Small non-intrusive popup which can be used for example to notify the user
- * about completed AJAX action. Supports only one notify at a time.
- */
-function notify(message) {
- var notifyElement = document.getElementById('mw-js-notify');
- if ( !notifyElement ) {
- createNotify();
- var notifyElement = document.getElementById('mw-js-notify');
- }
- notifyElement.style.display = 'block';
- notifyElement.innerHTML = message;
-}
-
-function dismissNotify(message, timeout) {
- var notifyElement = document.getElementById('mw-js-notify');
- if ( notifyElement ) {
- if ( timeout == 0 ) {
- notifyElement.style.display = 'none';
- } else {
- notify(message);
- setTimeout("dismissNotify('', 0)", timeout);
- }
- }
-}
-
-function createNotify() {
- var div = document.createElement("div");
- var txt = '###PLACEHOLDER###'
- var txtNode = document.createTextNode(txt);
- div.appendChild(txtNode);
- div.id = 'mw-js-notify';
- // TODO: move styles to css
- div.setAttribute('style',
- 'display: none; position: fixed; bottom: 0px; right: 0px; color: white; background-color: DarkRed; z-index: 5; padding: 0.1em 1em 0.1em 1em; font-size: 120%;');
- var body = document.getElementsByTagName('body')[0];
- body.appendChild(div);
+function doLivePreview( e ) {
+ e.preventDefault();
+ var previewText = $j('#wpTextbox1').val();
+ var postData = { 'action' : 'submit', 'wpTextbox1' : previewText, 'wpPreview' : true,
+ 'title' : wgPageName };
+
+ // Hide active diff, used templates, old preview if shown
+ $j('#wikiDiff').slideUp();
+ $j('#wikiPreview').slideUp();
+ $j('.templatesUsed').slideUp();
+ $j('.hiddencats').slideUp();
+
+ var page = $j('<html/>');
+ page.load( wgScript+'?action=submit',
+ postData,
+ function() {
+ var copyElements = ['#wikiPreview', '.templatesUsed', '.hiddencats'];
+
+ for( var i=0; i<copyElements.length; ++i) {
+ // For all the specified elements, find the elements in the loaded page
+ // and the real page, empty the element in the real page, and fill it
+ // with the content of the loaded page
+ var copyContent = page.find( copyElements[i] ).contents();
+ $j(copyElements[i]).empty().append( copyContent );
+ }
+ $j('#wikiPreview').slideDown();
+ } );
}
-
-
-/* Helper function similar to wfMsgReplaceArgs() */
-function i18n(message, keys) {
- var localMessage = message;
- if ( !keys ) { return localMessage; }
- for( var i = 0; i < keys.length; i++) {
- var myregexp = new RegExp("\\$"+(i+1), 'g');
- localMessage = localMessage.replace(myregexp, keys[i]);
- }
- return localMessage;
-}
\ No newline at end of file
+js2AddOnloadHook( setupLivePreview );
dépôts / lhc / web / wiklou.git / commitdiff