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-rw-r--r--vendors/dokuwiki/lib/scripts/linkwiz.js282
1 files changed, 282 insertions, 0 deletions
diff --git a/vendors/dokuwiki/lib/scripts/linkwiz.js b/vendors/dokuwiki/lib/scripts/linkwiz.js
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+++ b/vendors/dokuwiki/lib/scripts/linkwiz.js
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+/**
+ * The Link Wizard
+ *
+ * @author Andreas Gohr <gohr@cosmocode.de>
+ */
+var linkwiz = {
+ wiz: null,
+ entry: null,
+ result: null,
+ timer: null,
+ sack: null,
+ textArea: null,
+ selected: -1,
+ selection: null,
+
+ /**
+ * Initialize the linkwizard by creating the needed HTML
+ * and attaching the eventhandlers
+ */
+ init: function(textArea){
+ // prepare AJAX object
+ linkwiz.sack = new sack(DOKU_BASE + 'lib/exe/ajax.php');
+ linkwiz.sack.AjaxFailedAlert = '';
+ linkwiz.sack.encodeURIString = false;
+
+ // create HTML Structure
+ linkwiz.wiz = document.createElement('div');
+ linkwiz.wiz.id = 'link__wiz';
+ linkwiz.wiz.className = 'picker';
+ linkwiz.wiz.style.top = (findPosY(textArea)+20)+'px';
+ linkwiz.wiz.style.left = (findPosX(textArea)+80)+'px';
+ linkwiz.wiz.style.marginLeft = '-10000px';
+
+ linkwiz.wiz.innerHTML =
+ '<div id="link__wiz_header">'+
+ '<img src="'+DOKU_BASE+'lib/images/close.png" width="16" height="16" align="right" alt="" id="link__wiz_close" />'+
+ LANG['linkwiz']+'</div>'+
+ '<div>'+LANG['linkto']+' <input type="text" class="edit" id="link__wiz_entry" autocomplete="off" /></div>'+
+ '<div id="link__wiz_result"></div>';
+ textArea.form.parentNode.appendChild(linkwiz.wiz);
+ linkwiz.textArea = textArea;
+ linkwiz.result = DOKUid('link__wiz_result');
+ linkwiz.entry = DOKUid('link__wiz_entry');
+
+ // attach event handlers
+ var obj;
+ obj = DOKUid('link__wiz_close');
+ obj.onclick = linkwiz.hide;
+
+ linkwiz.sack.elementObj = linkwiz.result;
+ addEvent(linkwiz.entry,'keyup',linkwiz.onEntry);
+ addEvent(linkwiz.result,'click',linkwiz.onResultClick);
+ drag.attach(linkwiz.wiz,DOKUid('link__wiz_header'));
+ },
+
+ /**
+ * handle all keyup events in the entry field
+ */
+ onEntry: function(e){
+ if(e.keyCode == 37 || e.keyCode == 39){ //left/right
+ return true; //ignore
+ }
+ if(e.keyCode == 27){
+ linkwiz.hide();
+ e.preventDefault();
+ e.stopPropagation();
+ return false;
+ }
+ if(e.keyCode == 38){ //Up
+ linkwiz.select(linkwiz.selected -1);
+ e.preventDefault();
+ e.stopPropagation();
+ return false;
+ }
+ if(e.keyCode == 40){ //Down
+ linkwiz.select(linkwiz.selected +1);
+ e.preventDefault();
+ e.stopPropagation();
+ return false;
+ }
+ if(e.keyCode == 13){ //Enter
+ if(linkwiz.selected > -1){
+ var obj = linkwiz.getResult(linkwiz.selected);
+ if(obj){
+ var a = obj.getElementsByTagName('A')[0];
+ linkwiz.resultClick(a);
+ }
+ }else if(linkwiz.entry.value){
+ linkwiz.insertLink(linkwiz.entry.value);
+ }
+
+ e.preventDefault();
+ e.stopPropagation();
+ return false;
+ }
+ linkwiz.autocomplete();
+ },
+
+ /**
+ * Get one of the result by index
+ *
+ * @param int result div to return
+ * @returns DOMObject or null
+ */
+ getResult: function(num){
+ var obj;
+ var childs = linkwiz.result.getElementsByTagName('DIV');
+ obj = childs[num];
+ if(obj){
+ return obj;
+ }else{
+ return null;
+ }
+ },
+
+ /**
+ * Select the given result
+ */
+ select: function(num){
+ if(num < 0){
+ linkwiz.deselect();
+ return;
+ }
+
+ var obj = linkwiz.getResult(num);
+ if(obj){
+ linkwiz.deselect();
+ obj.className += ' selected';
+
+ // make sure the item is viewable in the scroll view
+ // FIXME check IE compatibility
+ if(obj.offsetTop > linkwiz.result.scrollTop + linkwiz.result.clientHeight){
+ linkwiz.result.scrollTop += obj.clientHeight;
+ }else if(obj.offsetTop - linkwiz.result.clientHeight < linkwiz.result.scrollTop){ // this works but isn't quite right, fixes welcome
+ linkwiz.result.scrollTop -= obj.clientHeight;
+ }
+ // now recheck - if still not in view, the user used the mouse to scroll
+ if( (obj.offsetTop > linkwiz.result.scrollTop + linkwiz.result.clientHeight) ||
+ (obj.offsetTop < linkwiz.result.scrollTop) ){
+ obj.scrollIntoView();
+ }
+
+ linkwiz.selected = num;
+ }
+ },
+
+ /**
+ * deselect a result if any is selected
+ */
+ deselect: function(){
+ if(linkwiz.selected > -1){
+ var obj = linkwiz.getResult(linkwiz.selected);
+ if(obj){
+ obj.className = obj.className.replace(/ ?selected/,'');
+ }
+ }
+ linkwiz.selected = -1;
+ },
+
+ /**
+ * Handle clicks in the result set an dispatch them to
+ * resultClick()
+ */
+ onResultClick: function(e){
+ if(e.target.tagName != 'A') return;
+ e.stopPropagation();
+ e.preventDefault();
+ linkwiz.resultClick(e.target);
+ return false;
+ },
+
+ /**
+ * Handles the "click" on a given result anchor
+ */
+ resultClick: function(a){
+ var id = a.title;
+ if(id == '' || id.substr(id.length-1) == ':'){
+ linkwiz.entry.value = id;
+ linkwiz.autocomplete_exec();
+ }else{
+ linkwiz.entry.value = id;
+ if(a.nextSibling && a.nextSibling.tagName == 'SPAN'){
+ linkwiz.insertLink(a.nextSibling.innerHTML);
+ }else{
+ linkwiz.insertLink('');
+ }
+ }
+ },
+
+ /**
+ * Insert the id currently in the entry box to the textarea,
+ * replacing the current selection or at the curso postion.
+ * When no selection is available the given title will be used
+ * as link title instead
+ */
+ insertLink: function(title){
+ if(!linkwiz.entry.value) return;
+
+ var sel = getSelection(linkwiz.textArea);
+ if(sel.start == 0 && sel.end == 0) sel = linkwiz.selection;
+
+ var stxt = sel.getText();
+ if(!stxt && !DOKU_UHC) stxt=title;
+
+ // prepend colon inside namespaces for non namespace pages
+ if(linkwiz.textArea.form['id'].value.indexOf(':') != -1 &&
+ linkwiz.entry.value.indexOf(':') == -1){
+ linkwiz.entry.value = ':'+linkwiz.entry.value;
+ }
+
+ var link = '[['+linkwiz.entry.value+'|';
+ if(stxt) link += stxt;
+ link += ']]';
+
+ var so = linkwiz.entry.value.length+3;
+ var eo = 2;
+
+ pasteText(sel,link,{startofs: so, endofs: eo});
+ linkwiz.hide();
+ },
+
+ /**
+ * Start the page/namespace lookup timer
+ *
+ * Calls autocomplete_exec when the timer runs out
+ */
+ autocomplete: function(){
+ if(linkwiz.timer !== null){
+ window.clearTimeout(linkwiz.timer);
+ linkwiz.timer = null;
+ }
+
+ linkwiz.timer = window.setTimeout(linkwiz.autocomplete_exec,350);
+ },
+
+ /**
+ * Executes the AJAX call for the page/namespace lookup
+ */
+ autocomplete_exec: function(){
+ linkwiz.deselect();
+ linkwiz.result.innerHTML = '<img src="'+DOKU_BASE+'lib/images/throbber.gif" alt="" width="16" height="16" />';
+ linkwiz.sack.runAJAX('call=linkwiz&q='+encodeURI(linkwiz.entry.value));
+ },
+
+ /**
+ * Clears the result area
+ */
+ clear: function(){
+ linkwiz.result.innerHTML = 'Search for a matching page name above, or browse through the pages on the right';
+ linkwiz.entry.value = '';
+ },
+
+ /**
+ * Show the linkwizard
+ */
+ show: function(){
+ linkwiz.selection = getSelection(linkwiz.textArea);
+ linkwiz.wiz.style.marginLeft = '0px';
+ linkwiz.entry.focus();
+ linkwiz.autocomplete();
+ },
+
+ /**
+ * Hide the link wizard
+ */
+ hide: function(){
+ linkwiz.wiz.style.marginLeft = '-10000px';
+ linkwiz.textArea.focus();
+ },
+
+ /**
+ * Toggle the link wizard
+ */
+ toggle: function(){
+ if(linkwiz.wiz.style.marginLeft == '-10000px'){
+ linkwiz.show();
+ }else{
+ linkwiz.hide();
+ }
+ }
+};
+