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var fMathNumbers = 0;
var fMathMathMLArray = new Array();
var fMathImageName = "";
var fMathSelectIndex = -1;
function fMathDisplayEditor(){
fMathGetElement('fmathEditorWindow').style.display = "";
YAHOO.fmathEditorWindow.cfg.setProperty("visible", true);
if(fMathSelectIndex ==-1 || fMathSelectIndex >= fMathMathMLArray.length){
fMathGetSWF('editML').setMathML("<mrow><mtext>...</mtext></mrow>");
}else{
fMathGetSWF('editML').setMathML(fMathMathMLArray[fMathSelectIndex]);
}
fMathGetSWF('editML').focus();
}
function fMathSelectElement(elem){
var id = elem.getAttribute("id");
var tag = "fMathImages";
if(id.indexOf(tag)==0){
fMathSelectIndex = parseInt(id.substring(tag.length, id.length));
}else{
fMathSelectIndex = -1;
}
}
function getMathMLFromJavascript(name){
if(fMathSelectIndex>0){
return fMathMathMLArray[fMathSelectIndex];
}
return "<mrow><mtext>...</mtext></mrow>";
}
function setFileNameFromServer(n){
fMathImageName = trim(n);
setTimeout('fMathSaveAndUpdate()', 10);
}
function fMathSaveAndUpdate(){
if(fMathSelectIndex==-1){
YAHOO.fmathEditorWindow.editor.execCommand('inserthtml', "<img src='"+fMathImageName +"' id='fMathImages"+fMathNumbers +"' border='0'/>");
}else{
var element = YAHOO.fmathEditorWindow.editor.get('fMathImages' + fMathNumbers );
if(element!=null){
element.setAttribute('src', 'fMathImages'+fMathNumbers);
fMathSelectIndex = fMathNumbers;
}else{
YAHOO.fmathEditorWindow.editor.execCommand('inserthtml', "<img src='"+fMathImageName +"' id='fMathImages"+fMathNumbers +"' border='0'/>");
}
}
fMathNumbers = fMathNumbers +1;
YAHOO.fmathEditorWindow.cfg.setProperty("visible", false);
fMathGetElement('fmathEditorWindow').style.display = "none";
}
function fMathGetSWF(movieName) {
if (navigator.appName.indexOf("Microsoft") != -1) {
return document.getElementById(movieName);
}else {
if (document.embeds && document.embeds[movieName]){
return document.embeds[movieName];
}
if(document[movieName].length != undefined){
return document[movieName][1];
}
return document[movieName];
}
}
function fMathSaveImageOnServerAndClose(p_oEvent) {
var mathml = fMathGetSWF("editML").getMathML();
fMathMathMLArray[fMathNumbers ] = mathml;
fMathGetSWF("editML").saveImageOnServer();
}
function fMathGetElement(id) {
return document.getElementById ? document.getElementById(id) : document.all[id];
}
function trim(str, chars) {
return ltrim(rtrim(str, chars), chars);
}
function ltrim(str, chars) {
chars = chars || "\\s";
return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
}
function rtrim(str, chars) {
chars = chars || "\\s";
return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}
YAHOO.util.Event.on("fMathEditorSubmit", "click", fMathSaveImageOnServerAndClose);
function initFMathFormula(mainEditor){
// create fmathEditorWindow
var fmathEditorWindowDiv = document.createElement('div');
fmathEditorWindowDiv.setAttribute("id", "fmathEditorWindow");
fmathEditorWindowDiv.style.visibility = "hidden";
fmathEditorWindowDiv.style.display = "none";
fmathEditorWindowDiv.innerHTML =''+
' <div class="hd">fMath Editor Plugin from www.fmath.info</div>'+
' <div class="bd">'+
' <table width="870" height="400" >'+
' <tr height="100%">'+
' <td align="center" colspan="2">'+
' <object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=10,0,0,0" width="870" height="400" id="editML" name="editML" align="middle">'+
' <param name="allowScriptAccess" value="always"/>'+
' <param name="allowFullScreen" value="true"/>'+
' <param name="loop" value="false"/>'+
' <param name="quality" value="high" />'+
' <param name="flashVars" value="configUrl=configMathMLEditor.xml"/>'+
' <param name="movie" value="fmath_formula/MathMLEditor.swf?configUrl=configMathMLEditor.xml" />'+
' <embed src="fmath_formula/MathMLEditor.swf?configUrl=configMathMLEditor.xml"'+
' flashVars="configUrl=configMathMLEditor.xml"'+
' loop="false"'+
' quality="high"'+
' width="870"'+
' height="400"'+
' id="editML"'+
' name="editML"'+
' align="middle"'+
' swliveconnect="true"'+
' allowScriptAccess="always"'+
' allowFullScreen="true"'+
' type="application/x-shockwave-flash"'+
' pluginspage="http://www.adobe.com/go/getflashplayer" />'+
' </object>'+
' </td>'+
' </tr>'+
' </table>'+
' </div>'+
' <div class="ft">'+
' <table width="870">'+
' <tr>'+
' <td align="center">'+
' <button id="fMathEditorSubmit" type="button" style="width:200px">Generate image and insert in html</button>'+
' </td>'+
' </tr>'+
' </table>'+
' </div>';
document.body.appendChild(fmathEditorWindowDiv);
YAHOO.fmathEditorWindow = new YAHOO.widget.Panel("fmathEditorWindow", {fixedcenter:true, visible:false });
YAHOO.fmathEditorWindow.editor = mainEditor;
mainEditor.on('toolbarLoaded', function() {
var button = {
type: 'push',
label: 'Add MathML Formula',
value: 'fmathEditor',
disabled: false
};
this.toolbar.addButtonToGroup(button, "textstyle");
this.toolbar.on('fmathEditorClick', function(o) {
fMathDisplayEditor();
}, mainEditor, true);
//Setup the button to be enabled, disabled or selected
this.on('afterNodeChange', function(o) {
//Get the selected element
var el = this._getSelectedElement();
fMathSelectElement(el);
var button = this.toolbar.getButtonByValue('fmathEditor');
if (el && el.tagName == 'div') {
this.toolbar.enableButton(button);
}
}, this, true);
YAHOO.fmathEditorWindow.render();
}, mainEditor, true);
}