Changeset 154 for Dev/trunk/js/sequencerScripts.js

Timestamp:

11/15/11 16:25:01 (13 years ago)

Author:

fpvanagthoven

Message:

File:

• Dev/trunk/js/sequencerScripts.js (modified) (6 diffs)

Dev/trunk/js/sequencerScripts.js

@@ -32 +32 @@
 
 function hasClass(ele,cls) {
-    return ele.className.match(new RegExp('(\\s|^)'+cls+'(\\s|$)'));
+    if (ele.className)
+        return ele.className.match(new RegExp('(\\s|^)'+cls+'(\\s|$)'));
 }
  
@@ -50 +51 @@
 
 function selectStep(uid) {
-    document.getElementById(uid).addClass("selected");
-    var selectedInfo = document.getElementById("selectedStepField");
-    if (selectedInfo == null) {     // This is the first time a step is selected after a reload of the page, therefore a hidden input field is not yet present.
-        selectedInfo = document.createElement("input")
-        selectedInfo.setAttribute("type","hidden");
-        selectedInfo.setAttribute("id","selectedStepField");
-        selectedInfo.setAttribute("value",uid);
-        var hiddenInputFields = document.getElementById("hiddenInputs");
-        hiddenInputFields.appendChild(selectedInfo);
+    var nodes = document.getElementById("seqContent").childNodes;
+    for (var i = 0; i < nodes.length; i++) {     //loop through childNodes. Skip first node (whitespace)
+        //debugger;
+        if (hasClass(nodes[i], "displayStep")) {    //check if current childNode is a displayStep, not divider or text.
+            if (nodes[i].id == uid) {
+                addClass(nodes[i], "selected");
+            }
+            else {
+                removeClass(nodes[i], "selected");
+            }
+        }
     }
-    else {      // There already exists a hidden input field with id selectedStepField, therefore we only change the value of this field.
-        var hiddenInput = document.getElementById("selectedStepField");
-        hiddenInput.value = uid;
-    }
+    
+    // Update selected step field with uid of currently selected step.
+    var selectedStepField = document.getElementById("selectedStepField");
+    selectedStepField.value = uid;
+    
 }
                                                                             
@@ -123 +127 @@
 }
 
+
 /*
  * ajaxStepRequest gets  the markup for displaying a step in the sequencer from returnStep.php
@@ -128 +133 @@
  */
 
-function ajaxStepRequest(UID) {
-    var c = "uid="+UID;
+function ajaxStepRequest(UIDS) {
+    var c = "uids="+UIDS;
     var u = "returnStep.php";
     newAjaxRequest(c, u, function(result) {
-        var newDiv = document.createElement("div");
-        newDiv.innerHTML = result.responseText;
-        document.getElementById("seqContent").appendChild(newDiv);
+        document.getElementById("seqContent").innerHTML = result.responseText;
     });
 }
@@ -156 +159 @@
     var content = document.getElementById("seqContent");
     var pipeline = document.getElementById("pipelineStringField").value;
-    var copy = pipeline;
-    pipeline = copy.split(",");
-    
-    // then do an xmlhttp request for each step to be added to the sequencer
-    var numberOfSteps = pipeline.length;
-    for (var i = 0; i < numberOfSteps; i++) {
-        ajaxStepRequest(pipeline[i]);
-        if (i < (numberOfSteps-1)) {
-            ajaxStepRequest("divider");
-        }
-    }
-    
-                
+    pipeline = pipeline.replace(/,/g , ",divider,");    //regex search for commas, global (repeat), to represent them with visual dividers.
+    ajaxStepRequest(pipeline);
 }
 
@@ -174 +166 @@
     
 }
-
-