jmol.js

Jmol是一个使用java语言编写的开源的免费三维分子显示工具,用于分子模型的浏览和编辑

		szX + ";" + szY + ";" +
        // why doesn't this vertical-align work?
	"text-align:center;vertical-align:middle;'>\n" +
		noJavaMsg +
        "</p>";
    } else {
      visitJava =
        "<table bgcolor='yellow'><tr>" +
        "<td align='center' valign='middle' " + widthAndHeight + "><font color='black'>\n" +
		noJavaMsg2 +
        "</font></td></tr></table>";
    }
    params.loadInline = (inlineModel ? inlineModel : "");
    params.script = (script ? _jmolSterilizeScript(script) : "");
    var t = tHeader + _jmolParams() + visitJava + tFooter;
    jmolSetTarget(nameSuffix);
    ready["jmolApplet" + nameSuffix] = false;
    if (_jmol.debugAlert)
      alert(t);
    return _jmolDocumentWrite(t);
  }
}

function _jmolParams() {
 var t = "";
 for (i in _jmol.params)
	if(_jmol.params[i]!="")
		 t+="  <param name='"+i+"' value='"+_jmol.params[i]+"' />\n";
 return t
}

function _jmolInitCheck() {
  if (_jmol.initChecked)
    return;
  _jmol.initChecked = true;
  jmolInitialize(defaultdir, defaultjar)
}

function _jmolCheckBrowser() {
  with (_jmol) {
    if (browserChecked)
      return;
    browserChecked = true;
  
    if (isFullyCompliant)
      return true;

    if (checkBrowserAction == "redirect")
      location.href = checkBrowserUrlOrMessage;
    else if (checkBrowserAction == "popup")
      _jmolPopup(checkBrowserUrlOrMessage);
    else {
      var msg = checkBrowserUrlOrMessage;
      if (msg == null)
        msg = "Your web browser is not fully compatible with Jmol\n\n" +
              "browser: " + browser +
              "   version: " + browserVersion +
              "   os: " + os +
              "\n\n" + ua;
      alert(msg);
    }
  }
  return false;
}

function _jmolDocumentWrite(text) {
  if (_jmol.currentDocument)
    _jmol.currentDocument.write(text);
  return text;
}

function _jmolPopup(url) {
  var popup = window.open(url, "JmolPopup",
                          "left=150,top=150,height=400,width=600," +
                          "directories=yes,location=yes,menubar=yes," +
                          "toolbar=yes," +
                          "resizable=yes,scrollbars=yes,status=yes");
  if (popup.focus)
    poup.focus();
}

function _jmolReadyCallback(name) {
  if (_jmol.debugAlert)
    alert(name + " is ready");
  _jmol.ready["" + name] = true;
}

function _jmolSterilizeScript(script) {
  var inlineScript = script.replace(/'/g, "&#39;");
  if (_jmol.debugAlert)
    alert("script:\n" + inlineScript);
  return inlineScript;
}

function _jmolSterilizeInline(model) {
  var inlineModel =
    model.replace(/\r|\n|\r\n/g, "|").replace(/'/g, "&#39;");
  if (_jmol.debugAlert)
    alert("inline model:\n" + inlineModel);
  return inlineModel;
}

	/*  AngelH, mar2007:
		By (re)setting this variable in the webpage before calling jmolApplet(), limits for applet size can be overriden.
	*/

	/* hansonr, jun2007:
		2048 standard for GeoWall (http://geowall.geo.lsa.umich.edu/home.html)
	*/

if (allowedJmolSize==undefined) var allowedJmolSize = [1, 2048, 300]   // min, max, default (pixels)
function _jmolGetAppletSize(size) {
	/*  AngelH, mar2007
		Accepts single number or 2-value array, each one can be either:
	   percent (text string ending %), decimal 0 to 1 (percent/100), number, or text string (interpreted as nr.)
	   Size is now returned as string or number, no "px".
	*/
  var width, height;
  if ( (typeof size) == "object" && size != null ) {
    width = size[0]; height = size[1];
  } else {
    width = height = size;
  }
  // if percent, leave it as it is:
  if ( width.toString().charAt(width.toString().length-1) != "%" ) {
    width = parseFloat(width);	// convert to nr., or strip text, or make zero
	if ( width <= 1 && width > 0 ) { width = (width*100)+"%" }	// decimal: convert to percent and quit
	else if ( width >= allowedJmolSize[0] && width <= allowedJmolSize[1] ) { width = parseInt(width) }	// accept only that range (pixels)
	else { width = allowedJmolSize[2] }	// default size 300 pixels
  }
  if ( height.toString().charAt(height.toString().length-1) != "%" ) {
    height = parseFloat(height);
	if ( height <= 1 && height > 0 ) { height = (height*100)+"%" }
	else if ( height >= allowedJmolSize[0] && height <= allowedJmolSize[1] ) { height = parseInt(height) }
	else { height = allowedJmolSize[2] }
  }
  return [width, height];
}

function _jmolRadio(script, labelHtml, isChecked, separatorHtml, groupName, id, title) {
  ++_jmol.radioCount;
  if (groupName == undefined || groupName == null)
    groupName = "jmolRadioGroup" + (_jmol.radioGroupCount - 1);
  if (!script)
    return "";
  if (labelHtml == undefined || labelHtml == null)
    labelHtml = script.substring(0, 32);
  if (! separatorHtml)
    separatorHtml = "";
  var scriptIndex = _jmolAddScript(script);
  var eospan = "</span>"
  var t = "<span id=\"span_"+id+"\""+(title ? " title =\"" + title + "\"":"")+"><input name='" 
	+ groupName + "' id='"+id+"' type='radio' onClick='_jmolClick(" +
         scriptIndex + _jmol.targetText + ");return true;' onMouseover='_jmolMouseOver(" +
         scriptIndex + ");return true;' onMouseout='_jmolMouseOut()' " +
	 (isChecked ? "checked " : "") + _jmol.radioCssText + "/>"
  if (labelHtml.toLowerCase().indexOf("<td>")>=0) {
	t += eospan
	eospan = "";
  }
  t += "<label for=\"" + id + "\">" + labelHtml + "</label>" +eospan + separatorHtml;

  return t;
}

function _jmolFindApplet(target) {
  // first look for the target in the current window
  var applet = _jmolFindAppletInWindow(_jmol.appletWindow != null ? _jmol.appletWindow : window, target);
  // THEN look for the target in child frames
  if (applet == undefined)
    applet = _jmolSearchFrames(window, target);
  // FINALLY look for the target in sibling frames
  if (applet == undefined)
    applet = _jmolSearchFrames(top, target); // look starting in top frame
  return applet;
}

function _jmolGetApplet(targetSuffix){
 var target = "jmolApplet" + (targetSuffix ? targetSuffix : "0");
 var applet = _jmolFindApplet(target);
 if (applet) return applet
 if(!_jmol.alerted)alert("could not find applet " + target);
 _jmol.alerted = true;
 return null
}

function _jmolSearchFrames(win, target) {
  var applet;
  var frames = win.frames;
  if (frames && frames.length) { // look in all the frames below this window
   try{
    for (var i = 0; i < frames.length; ++i) {
      applet = _jmolSearchFrames(frames[i], target);
      if (applet)
        return applet;
    }
   }catch(e) {
	if (_jmol.debugAlert)
		alert("Jmol.js _jmolSearchFrames cannot access " + win.name + ".frame[" + i + "] consider using jmolSetAppletWindow()") 
   }
  }
  return applet = _jmolFindAppletInWindow(win, target)
}

function _jmolFindAppletInWindow(win, target) {
    var doc = win.document;
    // getElementById fails on MacOSX Safari & Mozilla	
    if (_jmol.useHtml4Object || _jmol.useIEObject)
      return doc.getElementById(target);
    else if (doc.applets)
      return doc.applets[target];
    else
      return doc[target]; 
}

function _jmolAddScript(script) {
  if (! script)
    return 0;
  var index = _jmol.scripts.length;
  _jmol.scripts[index] = script;
  return index;
}

function _jmolClick(scriptIndex, targetSuffix, elementClicked) {
  _jmol.element = elementClicked;
  jmolScript(_jmol.scripts[scriptIndex], targetSuffix);
}

function _jmolMenuSelected(menuObject, targetSuffix) {
  var scriptIndex = menuObject.value;
  if (scriptIndex != undefined) {
    jmolScript(_jmol.scripts[scriptIndex], targetSuffix);
    return;
  }
  var len = menuObject.length;
  if (typeof len == "number") {
    for (var i = 0; i < len; ++i) {
      if (menuObject[i].selected) {
        _jmolClick(menuObject[i].value, targetSuffix);
	return;
      }
    }
  }
  alert("?Que? menu selected bug #8734");
}


_jmol.checkboxMasters = {};
_jmol.checkboxItems = {};

function jmolSetCheckboxGroup(chkMaster,chkBox) {
	var id = chkMaster;
	if(typeof(id)=="number")id = "jmolCheckbox" + id;
	chkMaster = document.getElementById(id);
	if (!chkMaster)alert("jmolSetCheckboxGroup: master checkbox not found: " + id);
	var m = _jmol.checkboxMasters[id] = {};
	m.chkMaster = chkMaster;
	m.chkGroup = {};
	for (var i = 1; i < arguments.length; i++){
		var id = arguments[i];
		if(typeof(id)=="number")id = "jmolCheckbox" + id;
		checkboxItem = document.getElementById(id);
		if (!checkboxItem)alert("jmolSetCheckboxGroup: group checkbox not found: " + id);
		m.chkGroup[id] = checkboxItem;
		_jmol.checkboxItems[id] = m;
	}
}

function _jmolNotifyMaster(m){
	//called when a group item is checked
	var allOn = true;
	var allOff = true;
	for (var chkBox in m.chkGroup){
		if(m.chkGroup[chkBox].checked)
			allOff = false;
		else
			allOn = false;
	}
	if (allOn)m.chkMaster.checked = true;	
	if (allOff)m.chkMaster.checked = false;
	if ((allOn || allOff) && _jmol.checkboxItems[m.chkMaster.id])
		_jmolNotifyMaster(_jmol.checkboxItems[m.chkMaster.id])
}

function _jmolNotifyGroup(m, isOn){
	//called when a master item is checked
	for (var chkBox in m.chkGroup){
		var item = m.chkGroup[chkBox]
		item.checked = isOn;
		if (_jmol.checkboxMasters[item.id])
			_jmolNotifyGroup(_jmol.checkboxMasters[item.id], isOn)
	}
}

function _jmolCbClick(ckbox, whenChecked, whenUnchecked, targetSuffix) {
  _jmol.control = ckbox
  _jmolClick(ckbox.checked ? whenChecked : whenUnchecked, targetSuffix);
  if(_jmol.checkboxMasters[ckbox.id])
	_jmolNotifyGroup(_jmol.checkboxMasters[ckbox.id], ckbox.checked)
  if(_jmol.checkboxItems[ckbox.id])
	_jmolNotifyMaster(_jmol.checkboxItems[ckbox.id])
}

function _jmolCbOver(ckbox, whenChecked, whenUnchecked) {
  window.status = _jmol.scripts[ckbox.checked ? whenUnchecked : whenChecked];
}

function _jmolMouseOver(scriptIndex) {
  window.status = _jmol.scripts[scriptIndex];
}

function _jmolMouseOut() {
  window.status = " ";
  return true;
}

function _jmolSetCodebase(codebase) {
  _jmol.codebase = codebase ? codebase : ".";
  if (_jmol.debugAlert)
    alert("jmolCodebase=" + _jmol.codebase);
}

function _jmolOnloadResetForms() {
  // must be evaluated ONLY once
  _jmol.previousOnloadHandler = window.onload;
  window.onload =
  function() {
    with (_jmol) {
      if (buttonCount+checkboxCount+menuCount+radioCount+radioGroupCount > 0) {
        var forms = document.forms;
        for (var i = forms.length; --i >= 0; )
          forms[i].reset();
      }
      if (previousOnloadHandler)
        previousOnloadHandler();
    }
  }
}

////////////////////////////////////
/////extensions for getProperty/////
////////////////////////////////////


function _jmolEvalJSON(s,key){
 s=s+""
 if(!s)return []
 if(s.charAt(0)!="{"){
	if(s.indexOf(" | ")>=0)s=s.replace(/\ \|\ /g, "\n")
	return s
 }
 var A = eval("("+s+")")
 if(!A)return
 if(key && A[key])A=A[key]
 return A
}

function _jmolEnumerateObject(A,key){
 var sout=""
 if(typeof(A) == "string" && A!="null"){
	sout+="\n"+key+"=\""+A+"\""
 }else if(!isNaN(A)||A==null){
	sout+="\n"+key+"="+(A+""==""?"null":A)
 }else if(A.length){
    sout+=key+"=[]"
    for(var i=0;i<A.length;i++){
	sout+="\n"
	if(typeof(A[i]) == "object"||typeof(A[i]) == "array"){
		sout+=_jmolEnumerateObject(A[i],key+"["+i+"]")
	}else{
		sout+=key+"["+i+"]="+(typeof(A[i]) == "string" && A[i]!="null"?"\""+A[i].replace(/\"/g,"\\\"")+"\"":A[i])
	}
    }
 }else{
    if(key != ""){
	sout+=key+"={}"
	key+="."
    }
    
    for(var i in A){
	sout+="\n"
	if(typeof(A[i]) == "object"||typeof(A[i]) == "array"){
		sout+=_jmolEnumerateObject(A[i],key+i)