From version < 17.1 >
edited by Sergiu Dumitriu
on 2012/10/25
To version < 17.3 >
edited by Manuel Smeria
on 2013/01/08
< >
Change comment: added the title and adjusted the headers properly, updated links, rewording

Summary

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Title
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1 +XWiki JavaScript API
Author
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1 -XWiki.Sergiu
1 +XWiki.ManuelSmeria
Content
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1 -{{box cssClass="floatinginfobox" title="**Contents**"}}{{toc/}}{{/box}}
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
2 +{{toc/}}
3 +{{/box}}
2 2  
3 -= XWiki JavaScript API =
5 += Observable XWiki Events =
4 4  
5 -== Observable XWiki Events ==
6 -
7 7  Stay in touch with what happens in the wiki! XWiki will fire custom javascript events on certain moment and upon certain actions that occur in the navigation flow.
8 8  
9 9  Event names are build on the following model: ##xwiki:modulename:eventname##. Your JavaScript script or extension can get notified of such an event the following way:
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18 18  });
19 19  {{/code}}
20 20  
21 -Check out the real examples below, or [[read more>>http://prototypejs.org/api/element/fire]] about Prototype.js's event system
21 +Check out the real examples below or read more about [[Prototype.js's event system>>http://prototypejs.org/doc/latest/dom/Element/fire/]].
22 22  
23 -=== DOM Events (xwiki.js) ===
23 +== DOM Events (xwiki.js) ==
24 24  
25 25  * **##xwiki:dom:loaded##**
26 -This event is similar to [[prototype's dom:loaded event>>http://www.prototypejs.org/api/document/observe]], with the difference that in the time-lapse between ##dom:loaded## and ##xwiki:dom:loaded##, XWiki may have transformed the DOM. Example of DOM transformations operated by XWiki is setting the right target of links that have rel="external" attribute so that the document can be XHTML valid and still have the desired effect, making internal rendering error messages expandable, insert document template handlers for links to non-existent documents, and so on. In the future there might be more transformations operated by XWiki upon DOM initialization. This event is meant for code to be notified of loading of the XWiki-transformed version of the initial DOM. As ##dom:loaded##, it can be used as follows:(((
27 -{{code}}
26 +This event is similar to [[prototype's dom:loaded event>>http://prototypejs.org/doc/latest/dom/document/observe/]], with the difference that in the time-lapse between ##dom:loaded## and ##xwiki:dom:loaded##, XWiki may have transformed the DOM. Example of DOM transformations operated by XWiki is setting the right target of links that have rel="external" attribute so that the document can be XHTML valid and still have the desired effect, making internal rendering error messages expandable, insert document template handlers for links to non-existent documents, and so on. In the future there might be more transformations operated by XWiki upon DOM initialization. This event is meant for code to be notified of loading of the XWiki-transformed version of the initial DOM. As ##dom:loaded##, it can be used as follows:(((
27 +{{code language="javascript"}}
28 28  document.observe("xwiki:dom:loaded", function(){
29 29   // Initialization that can rely on the fact the DOM is XWiki-tranformed goes here.
30 30  });
31 31  {{/code}})))
32 -**It is recommended to bind startup scripts to this event** instead of ##window.load## or ##document.dom:loaded##.
32 +(((
33 +{{info}}
34 +It is recommended to bind startup scripts to this event instead of ##window.load## or ##document.dom:loaded##.
35 +{{/info}}
36 +)))
37 +
33 33  * **##xwiki:dom:loading##**
34 34  ##xwiki:dom:loading## is sent between ##dom:loaded## and ##xwiki:dom:loaded##, before XWiki changes the DOM. This is the event that should start all scripts making important DOM changes that other scripts should see.
35 35  * **##xwiki:dom:updated##**
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40 40   elements.each(function(element) {
41 41   element.select('.someBehavioralClass').each(function(item) {
42 42   enhance(item);
43 - })
44 - }
48 + });
49 + });
45 45  }
46 46  ['xwiki:dom:loaded', 'xwiki:dom:updated'].each(function(eventName) {
47 47   document.observe(eventName, function(event) {
48 48   init(event.memo && event.memo.elements || [document.documentElement]);
49 - }
54 + });
50 50  });
51 51  {{/code}}
52 52  
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60 60  {{/code}})))
61 61  {{/warning}}
62 62  
63 -=== Document content events (actionButtons.js) ===
68 +== Document content events (actionButtons.js) ==
64 64  
65 65  * **##xwiki:document:saved##**
66 66  This event is sent after the document has been successfully saved in an asynchronous request (i.e. after clicking the //Save and Continue// button).
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67 67  * **##xwiki:document:saveFailed##**
68 68  This event is sent when a save and continue attempt failed for some reason. The XMLHttpRequest response object is sent in the memo, as ##event.memo.response##.
69 69  
70 -=== Action events (actionButtons.js) ===
75 +== Action events (actionButtons.js) ==
71 71  
72 72  * **##xwiki:actions:cancel##**
73 73  This event is sent after the user clicks the "Cancel" button of an editor (Wiki, WYSIWYG, object, rights, etc.), but before actually cancelling the edit.
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83 83   }
84 84  });
85 85  {{/code}})))
86 -
87 -{{warning}}Caveat: While most properties can be accessed as ##event.memo.property##, this doesn't work with ##event.memo.continue## since ##continue## is a reserved keyword.{{/warning}}
88 -
91 +(((
92 +{{warning}}
93 +While most properties can be accessed as ##event.memo.property##, this doesn't work with ##event.memo.continue## since ##continue## is a reserved keyword.
94 +{{/warning}}
95 +)))
96 +(((
89 89  All these events contain as extra information, in the second parameter sent to event listeners (the memo), the original click event (if any, and which can be stopped to prevent the action from completing), and the form being submitted, as ##event.memo.originalEvent##, and ##event.memo.form## respectively.
98 +)))
90 90  
91 -=== Document extra events (xwiki.js) ===
100 +== Document extra events (xwiki.js) ==
92 92  
93 93  * **##xwiki:docextra:loaded##**
94 94  This event is fired upon reception of the content of a document footer tab by AJAX. This event is useful if you need to operate transformations of the received content. You can filter on which tab content to operate (comments or attachment or information or ...) using the event memo. The DOM element in which the retrieved content has been injected is also passed to facilitate transformations.(((
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105 105  * **##xwiki:docextra:activated##**
106 106  This event is fired upon activation of a tab. It differs from the loaded event since tabs are loaded only once if the user clicks going back and forth between tabs. This event will notify of each tab activation, just after the tab content is actually made visible. The tab ID is passed in the memo as for ##xwiki:docextra:loaded##
107 107  
108 -=== WYSIWYG events (XWikiWysiwyg.js) ===
117 +== WYSIWYG events (XWikiWysiwyg.js) ==
109 109  
110 110  WYSIWYG has it's own custom [[events list>>extensions:Extension.WYSIWYG Editor Module#HCustomevents]].
111 111  
112 -=== Suggest events (ajaxSuggest.js) ===
121 +== Suggest events (ajaxSuggest.js) ==
113 113  
114 114  * **##xwiki:suggest:selected##** (since 2.3)
115 115  This event is fired on the target input when a value was selected.
116 116  
117 -=== Fullscreen events (fullScreenEdit.js) ===
126 +== Fullscreen events (fullScreenEdit.js) ==
118 118  
119 119  * **##xwiki:fullscreen:enter##** (since 3.0 M3) (fired before entering full screen editing)
120 120  * **##xwiki:fullscreen:entered##** (since 2.5.1) (fired after entering full screen editing)
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124 124  
125 125  All events have the target DOM element in ##event.memo.target##.
126 126  
127 -=== Annotations events (AnnotationCode/Settings jsx) ===
136 +== Annotations events (AnnotationCode/Settings jsx) ==
128 128  
129 129  * **##xwiki:annotations:filter:changed##**
130 130  * **##xwiki:annotations:settings:loaded##**
131 131  
132 -=== Livetable events (livetable.js) ===
141 +== Livetable events (livetable.js) ==
133 133  
134 134  * **##xwiki:livetable:newrow##** (##event.memo.row## holds the new row)
135 135  * **##xwiki:livetable:loadingEntries##** (since 2.3 RC1)

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