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webgui/www/extras/tinymce2/docs/tinymce_api/overview-summary-TinyMCE_Event.class.js.html
JT Smith 533bf292d3 upgrading to tinymce 2.0.6.1
2006-06-23 18:21:32 +00:00

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<h2>TinyMCE_Event.class.js</h2>
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<h4>Summary</h4>
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No overview generated for 'TinyMCE_Event.class.js'<BR/><BR/>
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<!-- ========== METHOD SUMMARY =========== -->
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<pre class="sourceview"><span class="comment">/**
* $RCSfile: overview-summary-TinyMCE_Event.class.js.html,v $
* $Revision: 1.42 $
* $Date: 2006/04/14 20:00:30 $
*
* <span class="attrib">@author</span> Moxiecode
* <span class="attrib">@copyright</span> Copyright <20> 2004-2006, Moxiecode Systems AB, All rights reserved.
*
* The contents of this file will be wrapped in a class later on.
*/</span>
<span class="comment">/**
* Sets the enabled/disabled state of build in events on the specific node.
* This function is needed since some events gets executed in WYSIWYG mode.
*
* <span class="attrib">@param</span> {HTMLNode} node HTML node to enable/disable events on.
* <span class="attrib">@param</span> {boolean} state true/false state if the events should be disabled or enabled.
* <span class="attrib">@private</span>
*/</span>
TinyMCE_Engine.<span class="reserved">prototype</span>._setEventsEnabled = <span class="reserved">function</span>(node, state) {
var events = new Array(<span class="literal">'onfocus'</span>,<span class="literal">'onblur'</span>,<span class="literal">'onclick'</span>,<span class="literal">'ondblclick'</span>,
<span class="literal">'onmousedown'</span>,<span class="literal">'onmouseup'</span>,<span class="literal">'onmouseover'</span>,<span class="literal">'onmousemove'</span>,
<span class="literal">'onmouseout'</span>,<span class="literal">'onkeypress'</span>,<span class="literal">'onkeydown'</span>,<span class="literal">'onkeydown'</span>,<span class="literal">'onkeyup'</span>);
var evs = tinyMCE.settings[<span class="literal">'event_elements'</span>].split(<span class="literal">','</span>);
<span class="reserved">for</span> (var y=0; y&lt;evs.length; y++){
var elms = node.getElementsByTagName(evs[y]);
<span class="reserved">for</span> (var i=0; i&lt;elms.length; i++) {
var event = <span class="literal">""</span>;
<span class="reserved">for</span> (var x=0; x&lt;events.length; x++) {
<span class="reserved">if</span> ((event = tinyMCE.getAttrib(elms[i], events[x])) != <span class="literal">''</span>) {
event = tinyMCE.cleanupEventStr(<span class="literal">""</span> + event);
<span class="reserved">if</span> (!state)
event = <span class="literal">"return true;"</span> + event;
<span class="reserved">else</span>
event = event.replace(/^<span class="reserved">return</span> true;/gi, <span class="literal">''</span>);
elms[i].removeAttribute(events[x]);
elms[i].setAttribute(events[x], event);
}
}
}
}
};
<span class="comment">/**
* Patch function for MSIE specific events, this one simply grabs the window.event object and
* passes it as a argument to the handleEvent function of the TinyMCE_Engine class.
*
* <span class="attrib">@param</span> {string} editor_id Editor id to patch.
* <span class="attrib">@private</span>
*/</span>
TinyMCE_Engine.<span class="reserved">prototype</span>._eventPatch = <span class="reserved">function</span>(editor_id) {
var n, inst, win, e;
<span class="comment">// Remove odd, error</span>
<span class="reserved">if</span> (typeof(tinyMCE) == <span class="literal">"undefined"</span>)
<span class="reserved">return</span> true;
try {
<span class="comment">// Try selected instance first</span>
<span class="reserved">if</span> (tinyMCE.selectedInstance) {
win = tinyMCE.selectedInstance.getWin();
<span class="reserved">if</span> (win &amp;&amp; win.event) {
e = win.event;
<span class="reserved">if</span> (!e.target)
e.target = e.srcElement;
TinyMCE_Engine.<span class="reserved">prototype</span>.handleEvent(e);
<span class="reserved">return</span>;
}
}
<span class="comment">// Search for it</span>
<span class="reserved">for</span> (n in tinyMCE.instances) {
inst = tinyMCE.instances[n];
<span class="reserved">if</span> (!tinyMCE.isInstance(inst))
continue;
tinyMCE.selectedInstance = inst;
win = inst.getWin();
<span class="reserved">if</span> (win &amp;&amp; win.event) {
e = win.event;
<span class="reserved">if</span> (!e.target)
e.target = e.srcElement;
TinyMCE_Engine.<span class="reserved">prototype</span>.handleEvent(e);
<span class="reserved">return</span>;
}
}
} catch (ex) {
<span class="comment">// Ignore error if iframe is pointing to external URL</span>
}
};
<span class="comment">/**
* Unload document event handler function. This function will be executed when the
* page is unloaded, this will automaticly move the current editor contents to the textarea element this enables
* the editor to restore it's state when the user presses the back button in the browser.
* This will execute the triggerSave function.
*/</span>
TinyMCE_Engine.<span class="reserved">prototype</span>.unloadHandler = <span class="reserved">function</span>() {
tinyMCE.triggerSave(true, true);
};
<span class="comment">/**
* Adds the handleEvent function to the specified editor instance.
*
* <span class="attrib">@param</span> {inst} inst Editor control instance to add event handler to.
*/</span>
TinyMCE_Engine.<span class="reserved">prototype</span>.addEventHandlers = <span class="reserved">function</span>(inst) {
var doc = inst.getDoc();
inst.switchSettings();
<span class="reserved">if</span> (tinyMCE.isMSIE) {
tinyMCE.addEvent(doc, <span class="literal">"keypress"</span>, TinyMCE_Engine.<span class="reserved">prototype</span>._eventPatch);
tinyMCE.addEvent(doc, <span class="literal">"keyup"</span>, TinyMCE_Engine.<span class="reserved">prototype</span>._eventPatch);
tinyMCE.addEvent(doc, <span class="literal">"keydown"</span>, TinyMCE_Engine.<span class="reserved">prototype</span>._eventPatch);
tinyMCE.addEvent(doc, <span class="literal">"mouseup"</span>, TinyMCE_Engine.<span class="reserved">prototype</span>._eventPatch);
tinyMCE.addEvent(doc, <span class="literal">"click"</span>, TinyMCE_Engine.<span class="reserved">prototype</span>._eventPatch);
} <span class="reserved">else</span> {
tinyMCE.addEvent(doc, <span class="literal">"keypress"</span>, tinyMCE.handleEvent);
tinyMCE.addEvent(doc, <span class="literal">"keydown"</span>, tinyMCE.handleEvent);
tinyMCE.addEvent(doc, <span class="literal">"keyup"</span>, tinyMCE.handleEvent);
tinyMCE.addEvent(doc, <span class="literal">"click"</span>, tinyMCE.handleEvent);
tinyMCE.addEvent(doc, <span class="literal">"mouseup"</span>, tinyMCE.handleEvent);
tinyMCE.addEvent(doc, <span class="literal">"mousedown"</span>, tinyMCE.handleEvent);
tinyMCE.addEvent(doc, <span class="literal">"focus"</span>, tinyMCE.handleEvent);
tinyMCE.addEvent(doc, <span class="literal">"blur"</span>, tinyMCE.handleEvent);
eval(<span class="literal">'try { doc.designMode = "On"; } catch(e) {}'</span>); <span class="comment">// Force designmode</span>
}
};
<span class="comment">/**
* Mouse move handler function, this will be executed each time
* the mouse is moved within a editor instance. This function stores away the current selection in MSIE
* this will then be used when a undo/redo level is added.
*/</span>
TinyMCE_Engine.<span class="reserved">prototype</span>.onMouseMove = <span class="reserved">function</span>() {
var inst;
<span class="reserved">if</span> (!tinyMCE.hasMouseMoved) {
inst = tinyMCE.selectedInstance;
<span class="comment">// Workaround for bug #1437457 (Odd MSIE bug)</span>
<span class="reserved">if</span> (inst.isFocused) {
inst.undoBookmark = inst.selection.getBookmark();
tinyMCE.hasMouseMoved = true;
}
}
<span class="comment">// tinyMCE.cancelEvent(inst.getWin().event);</span>
<span class="comment">// return false;</span>
};
<span class="comment">/**
* Cancels the specified event, this will disable the event from be passed to other listeners in event chain.
*
* <span class="attrib">@param</span> {DOMEvent} e Event to cancel.
*/</span>
TinyMCE_Engine.<span class="reserved">prototype</span>.cancelEvent = <span class="reserved">function</span>(e) {
<span class="reserved">if</span> (tinyMCE.isMSIE) {
e.returnValue = false;
e.cancelBubble = true;
} <span class="reserved">else</span>
e.preventDefault();
};
<span class="comment">/**
* Adds a event handler function to the specified object.
*
* <span class="attrib">@param</span> {HTMLElement} o Object to add event handler to.
* <span class="attrib">@param</span> {string} n Event name to listen to for example "click".
* <span class="attrib">@param</span> {function} h Function handler to execute when event occurs.
*/</span>
TinyMCE_Engine.<span class="reserved">prototype</span>.addEvent = <span class="reserved">function</span>(o, n, h) {
<span class="reserved">if</span> (o.attachEvent)
o.attachEvent(<span class="literal">"on"</span> + n, h);
<span class="reserved">else</span>
o.addEventListener(n, h, false);
};
<span class="comment">/**
* Adds accessibility keydown handler to the specified select element.
*
* <span class="attrib">@param</span> {DOMEvent} e Event that gets passed when the element is focused.
* <span class="attrib">@param</span> {HTMLElement} s Select element that the keydown handler gets added to.
* <span class="attrib">@param</span> {DOMWindow} w DOM window reference to add.
*/</span>
TinyMCE_Engine.<span class="reserved">prototype</span>.addSelectAccessibility = <span class="reserved">function</span>(e, s, w) {
<span class="comment">// Add event handlers </span>
<span class="reserved">if</span> (!s._isAccessible) {
s.onkeydown = tinyMCE.accessibleEventHandler;
s.onblur = tinyMCE.accessibleEventHandler;
s._isAccessible = true;
s._win = w;
}
<span class="reserved">return</span> false;
};
<span class="comment">/**
* Accessibility handler that gets executed when the user hits a key in a select element.
* This handler trams the enter/return or space key and then executes the onchange event handler.
*
* <span class="attrib">@param</span> {DOMEvent} e DOM event object instance.
*/</span>
TinyMCE_Engine.<span class="reserved">prototype</span>.accessibleEventHandler = <span class="reserved">function</span>(e) {
var win = <span class="reserved">this</span>._win;
e = tinyMCE.isMSIE ? win.event : e;
var elm = tinyMCE.isMSIE ? e.srcElement : e.target;
<span class="comment">// Unpiggyback onchange on blur</span>
<span class="reserved">if</span> (e.type == <span class="literal">"blur"</span>) {
<span class="reserved">if</span> (elm.oldonchange) {
elm.onchange = elm.oldonchange;
elm.oldonchange = null;
}
<span class="reserved">return</span> true;
}
<span class="comment">// Piggyback onchange</span>
<span class="reserved">if</span> (elm.nodeName == <span class="literal">"SELECT"</span> &amp;&amp; !elm.oldonchange) {
elm.oldonchange = elm.onchange;
elm.onchange = null;
}
<span class="comment">// Execute onchange and remove piggyback</span>
<span class="reserved">if</span> (e.keyCode == 13 || e.keyCode == 32) {
elm.onchange = elm.oldonchange;
elm.onchange();
elm.oldonchange = null;
tinyMCE.cancelEvent(e);
<span class="reserved">return</span> false;
}
<span class="reserved">return</span> true;
};
</pre>
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<div class="jsdoc_ctime">Documentation generated by <a href="http://jsdoc.sourceforge.net/" target="_parent">JSDoc</a> on Fri Apr 14 21:59:23 2006</div>
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