site-resources/swingjs/JalviewApplet.js

   1 // Jalview Priliminary applet-generation code.
   2 // author: Bob Hanson hansonr@stolaf.edu
   3
   4 Jalview = {
   5         jvid : 0
   6 }
   7
   8 $(document).ready(function() {
   9         if (document.location.href.toLowerCase().indexOf("_use=java") < 0)
  10                 Jalview.processAllAppletElements(self.JalviewInfo);
  11 });
  12
  13
  14 Jalview.processAllAppletElements = function(PageInfo) {
  15         var applets = document.getElementsByTagName("applet");
  16         var apps=[];
  17         for (var i = 0; i < applets.length; i++)
  18                 apps[i] = applets[i];
  19         for (var i = 0; i < apps.length; i++) {
  20                 Jalview.processAppletElement(apps[i], PageInfo);
  21         }
  22 }
  23
  24 Jalview.processAppletElement = function(element, UserInfo) {
  25
  26         var code = element.getAttribute("code");
  27         var parent = element.parentElement;
  28         if (code != "jalview.bin.JalviewLite") {
  29                 return;
  30         }
  31
  32         var Info = {
  33                 code: null,
  34                 main: "jalview.bin.Jalview",
  35                 core: "NONE",
  36                 resourcePath: "examples",
  37                 readyFunction: null,
  38                 serverURL: 'https://chemapps.stolaf.edu/jmol/jsmol/php/jsmol.php',
  39                 j2sPath: 'swingjs/j2s',
  40                 console:'sysout',
  41                 startButton:'Start Jalview',
  42                 hideDesktop:true,
  43                 embedInternalFrames:false,
  44                 idPrefix:'%ID%',
  45                 allowJavascript: true,
  46         }
  47
  48         var text = element.outerHTML;
  49         var args = Info.args = text.replace(/[\n\t]/g, " ").split("<param ");
  50
  51         // overwrite default parameters with UserInfo (global JalviewInfo):
  52
  53         if (UserInfo) {
  54                 for (var i in UserInfo) {
  55                         Info[i] = UserInfo[i];
  56                 }
  57         }
  58         // generate name/value pairs for parameters in Applet tag
  59
  60         Info.j2sAppletID = Info.j2sAppletID
  61                 || element.getAttribute("name")
  62                 || element.getAttribute("id")
  63                 || Info.idPrefix.replace(/%ID%/g, "jalview" + ++Jalview.jvid);
  64
  65         //Info.jalview_SCREEN_X= 10,Info.jalview_SCREEN_Y= 10;
  66         //Info.jalview_EMBEDDED= true;
  67         //Info.jalview_SCREEN_WIDTH = 400;
  68         //Info.jalview_SCREEN_HEIGHT = 100;
  69
  70
  71         var addParam = function(key,value) {
  72                 args.push("name=\"" + key + "\" value=\"" + value + "\"");
  73         }
  74
  75
  76         for (var i in Info) {
  77                 var v = ("" + Info[i] || "null").replace(/\"/g,"'");
  78                 addParam("Info." + i, v);
  79         }
  80
  81
  82
  83         element.JalviewInfo = Info;
  84         var btn = document.createElement("button");
  85         btn.appletElement = element;
  86         var a = element.getAttribute("width");
  87         //a && (btn.style.width = (a || 140) + "px");
  88         a = element.getAttribute("height");
  89         //a && (btn.style.height = (a || 25) + "px");
  90         btn.jvparent = parent;
  91         if (Info.startButton) {
  92                 btn.innerHTML = Info.startButton;
  93                 parent.replaceChild(btn, element);
  94                 $(btn).click(Jalview.doStartJalview);
  95         } else {
  96                 parent.removeChild(element);
  97                 Jalview.doStartJalview({target:btn});
  98         }
  99 }
 100
 101
 102
 103 Jalview.doStartJalview = function(e) {
 104         e.target.disabled = true;
 105         var element = e.target.appletElement;
 106         var parent = e.target.jvparent;
 107         var Info = element.JalviewInfo;
 108         var id = Info.j2sAppletID;
 109         var d = document.createElement("div");
 110         d.id = id + "-desktop-div";
 111         if (Info.hideDesktop) {
 112                 d.style.display = "none";
 113                 d.style.width = d.style.height = "0px";
 114         } else {
 115                 d.style.width = "300px", d.style.height = "70px";
 116         }
 117         parent.appendChild(d);
 118         d = document.createElement("div");
 119         d.id = id + "-alignment-div";
 120         if (Info.embedInternalFrames) {
 121 // TODO
 122         } else {
 123                 d.style.display = "none";
 124                 d.style.width = d.style.height = "0px";
 125         }
 126         if (Info.allowJavascript) {
 127                 if (Info.readyFunction) {
 128                         var c = Info.readyFunction;
 129                         Info.readyFunction = function(a){
 130                                 Jalview._setAPI(a);
 131                                 c.apply(null, arguments);
 132                         }
 133                 } else {
 134                         Info.readyFunction = function(a) {Jalview._setAPI(a)};
 135                 }
 136         }
 137         var app = SwingJS.getApplet(id, Info);
 138 }
 139
 140 Jalview._setAPI = function(app) {
 141
 142         // Create a map of nonqualified methods to qualified methods
 143         // based on parameter type.
 144         var cl = Class.forName$S("jalview.bin.Jalview");
 145         if (!cl.$clazz$.getInstance$) {
 146                 System.err.println(app.__Info.main + " has no getInstance() method; interface creation skipped.");
 147                 return;
 148         }
 149         var instance = app._instance = cl.$clazz$.getInstance$();
 150         var apply = function(args, methods) {
 151                 return methods[args.length].apply(instance, args);
 152         }
 153         var getMap = function(cl) {
 154                 var methods = cl.getMethods$();
 155                 var p = cl.$clazz$.prototype;
 156                 var map = {};
 157                 for (var i = 0, n = methods.length; i < n; i++) {
 158                         var qname = methods[i].name;
 159                         if (cl.$clazz$[qname])
 160                                 continue; // static method
 161                         var s = qname.split("$");
 162                         var name = s[0];
 163                         if (!name)
 164                                 continue; // $init$, $cinit$
 165                         if (app[name]) {
 166                                 name += "$";
 167                                 System.err.println(app._id + "." + name + " is " + qname);
 168                         };
 169                         (m = map[name])||(m = map[name] = []);
 170                         var j = p[qname].length;
 171                         if (m[j]) {
 172                                 System.err.println(app._id + ".instance." + qname + " must be called directly.");
 173                                 app[qname] = p[qname];
 174                         } else {
 175                                 System.out.println(app._id + "." + name + "(" + j + ") aliases " + app._id + ".instance." + qname);
 176                                 m[j] = p[qname];
 177                         }
 178                 }
 179                 return map;
 180         }
 181         var getFunc = function(map,i) {
 182                 return function(){return apply(arguments,map[i])};
 183         }
 184         var map = getMap(Clazz._4Name(app.__Info.main));
 185         var n = 0;
 186         for (var i in map) {
 187                 n++;
 188                 app[i] = getFunc(map,i);
 189         }
 190         System.err.println(app._id + " contains " + n + " JavaScript interface methods");
 191 }