[Issue #336] code cleanup and bug fixes

data/collusion.js

@@ -220,7 +220,6 @@ function stopSharing(callback){
                     '<p>By clicking OK you will no longer be uploading data.</p>'
             },
             function(confirmed){
-                console.log(confirmed);
                 if ( confirmed ){
                     localStorage.userHasOptedIntoSharing = false;
                     if (uploadTimer){

data/list.js

@@ -424,17 +424,22 @@ var listStageStackClickHandler = function(event){
                 }
         );
     }else if (target.mozMatchesSelector('.hide-pref.active a')){
-        dialog( {   "name": "hideDialog",
-                    "dnsPrompt": true,
-                    "title": "Hide Sites", 
-                    "message":  "<p>These sites will not be shown in Collusion visualizations, including List View, unless you specifically toggle them back on with the Show Hidden Sites button.</p>" + 
-                                "<p>You can use this to ignore trusted sites from the data.</p>" 
-                },function(confirmed){
-                    if ( confirmed ){
-                        setPreferences('hide');
+        var hideDialogName = "hideDialog";
+        if ( doNotShowDialog(hideDialogName) ){
+            setPreferences('hide');
+        }else{
+            dialog( {   "name": hideDialogName,
+                        "dnsPrompt": true,
+                        "title": "Hide Sites", 
+                        "message":  "<p>These sites will not be shown in Collusion visualizations, including List View, unless you specifically toggle them back on with the Show Hidden Sites button.</p>" + 
+                                    "<p>You can use this to ignore trusted sites from the data.</p>" 
+                    },function(confirmed){
+                        if ( confirmed ){
+                            setPreferences('hide');
+                        }
                     }
-                }
-        );
+            );
+        }
     }else if (target.mozMatchesSelector('.watch-pref.active a')){
         setPreferences('watch');
     }else if(target.mozMatchesSelector('.no-pref.active a')){

data/ui.js

@@ -387,51 +387,78 @@ function legendBtnClickHandler(legendElm){
 
 // options: name, title, message, type, dnsPrompt(Do Not Show)
 function dialog(options,callback){
-    var dnsPref = localStorage.dnsDialogs || "[]";
-    dnsPref = JSON.parse(dnsPref);
-    if ( dnsPref.indexOf(options.name) > -1 ) return; // according to user pref, do not show this dialog
-    showDialog(options,dnsPref,callback);
+    if ( doNotShowDialog(options.name) ) return; // according to user pref, do not show this dialog
+    createDialog(options,callback);
 }
 
-function showDialog(options,dnsPref,callback){
+function doNotShowDialog(dialogName){
+    var dnsPref = localStorage.dnsDialogs || "[]";
+    dnsPref = JSON.parse(dnsPref);
+    return ( dnsPref.indexOf(dialogName) > -1 ) ? true : false;
+}
+
+function createDialog(options,callback){
     var titleBar = "<div class='dialog-title'>" + (options.title || "&nbsp;") + "</div>";
     var messageBody = "<div class='dialog-message'>" + (options.message || "&nbsp;") + "</div>";
-    var controls = "<div class='dialog-controls'>"+
-                        "<div class='dialog-dns hidden'><input type='checkbox' /> Do not show this again.</div>" +
-                        "<div class='pico-close dialog-cancel'>Cancel</div>" +
-                        "<div class='pico-close dialog-ok'>OK</div>" +
-                    "</div>";
+    var childElems = "";
+    if ( options.dnsPrompt ){ // show Do Not Show Again prompt
+        childElems += "<div class='dialog-dns'><input type='checkbox' /> Do not show this again.</div>";
+    }
+    if ( navigator.appVersion.indexOf("Win") > -1 ){ // runs on Windows
+        childElems += "<div class='pico-close dialog-cancel'>Cancel</div>";
+        childElems += "<div class='pico-close dialog-ok'>OK</div>";
+    }else{
+        childElems += "<div class='pico-close dialog-ok'>OK</div>";
+        childElems += "<div class='pico-close dialog-cancel'>Cancel</div>";
+    }
+    var controls = "<div class='dialog-controls'>" + childElems + "</div>";
 
+    // create dialog
     var modal = picoModal({
         content: titleBar + messageBody + controls,
         closeButton: false,
         overlayClose: false,
-        // width: 400,
         overlayStyles: {
             backgroundColor: "#000",
             opacity: 0.75
         }
     });
 
-    if ( options.dnsPrompt ){ // show Do Not Show Again prompt
-        document.querySelector(".dialog-dns").classList.remove("hidden");
-    }
     if ( options.type == "alert" ){
         document.querySelector(".dialog-cancel").classList.add("hidden");
     }
 
-    toArray(document.querySelectorAll(".pico-close")).forEach(function(btn){
-        btn.addEventListener("click", function(event){
-            if ( options.dnsPrompt && (event.target.innerHTML == "OK") ){ // Do Not Show
-                var checked = document.querySelector(".dialog-dns input").checked;
-                if ( checked ){ // user does not want this dialog to show again
-                    dnsPref.push(options.name);
-                    localStorage.dnsDialogs = JSON.stringify(dnsPref);
-                }
-            }
-            modal.close();
-            callback( (event.target.innerHTML == "OK") ? true : false );
-        });
+    addDialogEventHandlers(modal,options,function(userResponse){
+        callback(userResponse);
     });
 }
 
+function addDialogEventHandlers(modal,options,callback){
+    // press Esc to close the dialog (functions the same as clicking Cancel)
+    var escapeDialogKeyHandler = function(e){
+        if ( e.keyCode == "27" ){ // Esc key pressed
+            modal.close();
+            callback(false);
+        }
+    }
+    document.addEventListener("keydown", escapeDialogKeyHandler);
+    modal.onClose(function(){
+        document.removeEventListener("keydown", escapeDialogKeyHandler);
+    });
+    // OK button click event handler
+    document.querySelector(".pico-close.dialog-ok").addEventListener("click",function(){
+         if ( document.querySelector(".dialog-dns input") && document.querySelector(".dialog-dns input").checked ){ // Do Not Show
+            var dnsPref = localStorage.dnsDialogs || "[]";
+            dnsPref = JSON.parse(dnsPref);
+            dnsPref.push(options.name);
+            localStorage.dnsDialogs = JSON.stringify(dnsPref);
+        }
+        modal.close();
+        callback(true);
+    });
+    // Cancel button click event handler
+    document.querySelector(".pico-close.dialog-cancel").addEventListener("click",function(){
+        modal.close();
+        callback(false);
+    });
+}