From 75e6f21ce06cd3a3c890d722ce9c69f1df82f877 Mon Sep 17 00:00:00 2001
From: Naomi <naomiaro@gmail.com>
Date: Thu, 23 May 2013 18:33:40 -0400
Subject: [PATCH] CC-5108 : Waveform Editor UI

putting on the timescale for time reference.

fade editor now has cursor playback info.
---
 .../application/layouts/scripts/layout.phtml  |  3 ++
 airtime_mvc/application/models/Block.php      |  4 ++
 airtime_mvc/application/models/Playlist.php   |  4 ++
 airtime_mvc/application/models/StoredFile.php |  2 -
 airtime_mvc/public/css/waveform.css           | 39 +++++++++++++++++--
 airtime_mvc/public/js/airtime/library/spl.js  | 18 +++++++--
 .../public/js/waveformplaylist/playlist.js    | 32 ++++++++++++++-
 .../public/js/waveformplaylist/playout.js     |  3 +-
 .../public/js/waveformplaylist/time_scale.js  | 21 +++++++++-
 .../public/js/waveformplaylist/track.js       | 29 +++++++++++++-
 10 files changed, 141 insertions(+), 14 deletions(-)

diff --git a/airtime_mvc/application/layouts/scripts/layout.phtml b/airtime_mvc/application/layouts/scripts/layout.phtml
index f7c029ba5..fc46df5c4 100644
--- a/airtime_mvc/application/layouts/scripts/layout.phtml
+++ b/airtime_mvc/application/layouts/scripts/layout.phtml
@@ -36,6 +36,7 @@
 
 <script id="tmpl-pl-cues" type="text/template">
 <div class="waveform-cues">
+  <div class="playlist-time-scale"></div>
   <div class="playlist-tracks"></div>
   <div class="playlist-controls">
 	<a class="btn btn-small btn_play"><i class="icon-play icon-white"></i><?php echo _("Play"); ?></a>
@@ -61,10 +62,12 @@
 
 <script id="tmpl-pl-fades" type="text/template">
 <div class="waveform-fades">
+  <div class="playlist-time-scale"></div>
   <div class="playlist-tracks"></div>
   <div class="playlist-controls left-floated">
     <a class="btn btn-small btn_play"><i class="icon-play icon-white"></i><?php echo _("Play"); ?></a>
     <a class="btn btn-small btn_stop"><i class="icon-stop icon-white"></i><?php echo _("Stop"); ?></a>
+	<label class="audio audio_pos">00:00:00.0</label>
   </div>
   <div class="set-fade left-floated">
      <a type="button" class="btn btn-small btn_cursor" data-state="cursor"><?php echo _("Cursor"); ?></a>
diff --git a/airtime_mvc/application/models/Block.php b/airtime_mvc/application/models/Block.php
index b1ac483a5..f70370230 100644
--- a/airtime_mvc/application/models/Block.php
+++ b/airtime_mvc/application/models/Block.php
@@ -686,6 +686,10 @@ SQL;
     public function createCrossfade($id1, $fadeOut, $id2, $fadeIn, $offset)
     {
     	$this->con->beginTransaction();
+    	
+    	if (!isset($offset)) {
+    		$offset = Application_Model_Preference::GetDefaultCrossfadeDuration();
+    	}
     	 
     	try {
     		if (isset($id1)) {
diff --git a/airtime_mvc/application/models/Playlist.php b/airtime_mvc/application/models/Playlist.php
index 74b1b62c7..8a32db7e1 100644
--- a/airtime_mvc/application/models/Playlist.php
+++ b/airtime_mvc/application/models/Playlist.php
@@ -673,6 +673,10 @@ SQL;
     {
     	$this->con->beginTransaction();
     	
+    	if (!isset($offset)) {
+    		$offset = Application_Model_Preference::GetDefaultCrossfadeDuration();	
+    	}
+    	
     	try {
     		if (isset($id1)) {
     			$this->changeFadeInfo($id1, null, $fadeOut);
diff --git a/airtime_mvc/application/models/StoredFile.php b/airtime_mvc/application/models/StoredFile.php
index 74e0a7a05..ebd235dc6 100644
--- a/airtime_mvc/application/models/StoredFile.php
+++ b/airtime_mvc/application/models/StoredFile.php
@@ -528,8 +528,6 @@ SQL;
      */
     public function getRelativeFileUrl($baseUrl)
     {
-    	Logging::debug("Zend base url: $baseUrl");
-    	
         return $baseUrl."api/get-media/file/".$this->getId().".".$this->getFileExtension();
     }
 
diff --git a/airtime_mvc/public/css/waveform.css b/airtime_mvc/public/css/waveform.css
index b571b0793..f8e0ca394 100644
--- a/airtime_mvc/public/css/waveform.css
+++ b/airtime_mvc/public/css/waveform.css
@@ -14,11 +14,36 @@
 .btn-small {
 	/*line-height: 20px;*/
 }
+
+.playlist-time-scale {
+  position: absolute;
+  top: 5px;
+  left: 0;
+  right: 0;
+  height: 30px;
+  overflow: hidden;
+}
+
+.playlist-time-scale canvas {
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  height: 30px;
+}
+
+.playlist-time-scale div {
+  position: absolute;
+}
+
 .playlist-tracks {
-	margin: 8px 0;
+	position: relative;
+	top: 35px;
+	margin: 2px 0;
 }
 .playlist-controls {
-    margin: 0 0 16px 0;
+    margin: 40px 0 16px 0;
 }
 
 .channel-wrapper {
@@ -30,6 +55,8 @@
   margin: 0;
   padding: 0;
   background: #6e6e6e;
+  /*border-top: 1px solid #6e6e6e;*/
+  /*border-bottom: 1px solid #6e6e6e;*/
 }
 
 .state-select {
@@ -41,6 +68,12 @@
   overflow-y: hidden;
 }
 
+.playlist-tracks > .error {
+  height: 80px;
+  width: 300px;
+  background-color: rgba(255,0,0,0.5);
+}
+
 .playlist-fade {
   position: absolute;
   background-color: rgba(0,0,0,0.1);
@@ -50,7 +83,7 @@
 	margin: 12px 0 16px 0;
 }
 .set-fade {
-	margin: 0 0 0 30px;
+	margin: 40px 0 0 30px;
 }
 .set-cue input[type="text"] {
 	vertical-align: middle;
diff --git a/airtime_mvc/public/js/airtime/library/spl.js b/airtime_mvc/public/js/airtime/library/spl.js
index 00f899f9c..1dcba9039 100644
--- a/airtime_mvc/public/js/airtime/library/spl.js
+++ b/airtime_mvc/public/js/airtime/library/spl.js
@@ -1246,7 +1246,7 @@ var AIRTIME = (function(AIRTIME){
             show: 'clip',
             hide: 'clip',
             width: dim.width - 100,
-            height: dim.height - 100,
+            height: 350,
             buttons: [
                 {text: $.i18n._("Cancel"), class: "btn btn-small", click: removeDialog},
                 {text: $.i18n._("Save"), class: "btn btn-small btn-inverse", click: function() {
@@ -1263,9 +1263,11 @@ var AIRTIME = (function(AIRTIME){
                 		
                 		if (fade["type"] === "FadeOut") {
                 			fadeOut = fade["end"] - fade["start"];
+                			id2 = undefined; //incase of track decode error.
                 		}
                 		else {
                 			fadeIn = fade["end"] - fade["start"];
+                			id1 = undefined; //incase of track decode error.
                 		}
                 	}
                 	else {
@@ -1291,6 +1293,7 @@ var AIRTIME = (function(AIRTIME){
         			resolution: 15000,
         			state: "cursor",
         	        mono: true,
+        	        timescale: true,
         	        waveHeight: 80,
         	        container: $html[0],
         	        UITheme: "jQueryUI",
@@ -1301,7 +1304,10 @@ var AIRTIME = (function(AIRTIME){
         	    playlistEditor.setConfig(config);
         	    playlistEditor.init(tracks);
             },
-        	close: removeDialog
+        	close: removeDialog,
+        	resizeStop: function(event, ui) {
+        		playlistEditor.resize();
+            }
         });		
 	};
 	
@@ -1354,7 +1360,7 @@ var AIRTIME = (function(AIRTIME){
             show: 'clip',
             hide: 'clip',
             width: dim.width - 100,
-            height: dim.height - 100,
+            height: 325,
             buttons: [
                 {text: $.i18n._("Cancel"), class: "btn btn-small", click: removeDialog},
                 {text: $.i18n._("Save"),  class: "btn btn-small btn-inverse", click: function() {
@@ -1371,6 +1377,7 @@ var AIRTIME = (function(AIRTIME){
             	var config = new Config({
         			resolution: 15000,
         	        mono: true,
+        	        timescale: true,
         	        waveHeight: 80,
         	        container: $html[0],
         	        UITheme: "jQueryUI",
@@ -1381,7 +1388,10 @@ var AIRTIME = (function(AIRTIME){
         	    playlistEditor.setConfig(config);
         	    playlistEditor.init(tracks);	
             },
-            close: removeDialog
+            close: removeDialog,
+            resizeStop: function(event, ui) {
+            	playlistEditor.resize();
+            }
         });	
 	};
 	
diff --git a/airtime_mvc/public/js/waveformplaylist/playlist.js b/airtime_mvc/public/js/waveformplaylist/playlist.js
index ff47e8e75..dba320c5d 100644
--- a/airtime_mvc/public/js/waveformplaylist/playlist.js
+++ b/airtime_mvc/public/js/waveformplaylist/playlist.js
@@ -56,6 +56,16 @@ PlaylistEditor.prototype.init = function(tracks) {
         trackEditor.on("deactivateSelection", "onAudioDeselection", audioControls);
         trackEditor.on("changecursor", "onCursorSelection", audioControls);
         trackEditor.on("changecursor", "onSelectUpdate", this);
+
+        trackEditor.on("unregister", (function() {
+            var editor = this;
+
+            audioControls.remove("trackedit", "onTrackEdit", editor);
+            audioControls.remove("changeresolution", "onResolutionChange", editor);
+
+            that.removeTrack(editor);
+
+        }).bind(trackEditor));
     }
 
     div.innerHTML = '';
@@ -79,7 +89,27 @@ PlaylistEditor.prototype.init = function(tracks) {
     audioControls.on("trimaudio", "onTrimAudio", this);
     audioControls.on("removeaudio", "onRemoveAudio", this);
     audioControls.on("changestate", "onStateChange", this);
-    audioControls.on("changeselection", "onSelectionChange", this);  
+    audioControls.on("changeselection", "onSelectionChange", this); 
+};
+
+PlaylistEditor.prototype.removeTrack = function(trackEditor) {
+    var i, 
+        len, 
+        editor,
+        editors = this.trackEditors;
+    
+    for (i = 0, len = editors.length; i < len; i++) {
+        editor = editors[i];
+
+        if (editor === trackEditor) {
+            editors.splice(i, 1);
+            return;
+        }
+    }
+};
+
+PlaylistEditor.prototype.resize = function() {
+    this.timeScale.onResize();
 };
 
 PlaylistEditor.prototype.onTrimAudio = function() {
diff --git a/airtime_mvc/public/js/waveformplaylist/playout.js b/airtime_mvc/public/js/waveformplaylist/playout.js
index a2a156b37..aa8bab9ad 100644
--- a/airtime_mvc/public/js/waveformplaylist/playout.js
+++ b/airtime_mvc/public/js/waveformplaylist/playout.js
@@ -83,7 +83,8 @@ AudioPlayout.prototype.loadData = function (audioData, cb) {
             cb(buffer);
         },
         function(err) { 
-            console.log("err(decodeAudioData): "+err); 
+            console.log("err(decodeAudioData): "+err);
+            cb(null, err);
         }
     );
 };
diff --git a/airtime_mvc/public/js/waveformplaylist/time_scale.js b/airtime_mvc/public/js/waveformplaylist/time_scale.js
index e762df42b..507f213c9 100644
--- a/airtime_mvc/public/js/waveformplaylist/time_scale.js
+++ b/airtime_mvc/public/js/waveformplaylist/time_scale.js
@@ -8,7 +8,8 @@ TimeScale.prototype.init = function(config) {
 
     var that = this,
         canv,
-        div;
+        div,
+        resizeTimer;
 
     makePublisher(this);
 
@@ -36,6 +37,24 @@ TimeScale.prototype.init = function(config) {
 
     this.prevScrollPos = 0; //checking the horizontal scroll (must update timeline above in case of change)
 
+    //TODO check scroll adjust.
+    function doneResizing() {
+        that.width = that.container.clientWidth;
+        that.height = that.container.clientHeight;
+
+        canv.setAttribute('width', that.width);
+        canv.setAttribute('height', that.height);
+
+        that.drawScale();
+    };
+
+    function onResize() {
+        clearTimeout(resizeTimer);
+        resizeTimer = setTimeout(doneResizing, 100);
+    };
+
+    TimeScale.prototype.onResize = onResize;
+
     this.drawScale();
 };
 
diff --git a/airtime_mvc/public/js/waveformplaylist/track.js b/airtime_mvc/public/js/waveformplaylist/track.js
index b545cda8e..b533f50f9 100644
--- a/airtime_mvc/public/js/waveformplaylist/track.js
+++ b/airtime_mvc/public/js/waveformplaylist/track.js
@@ -208,11 +208,20 @@ TrackEditor.prototype.drawTrack = function(buffer) {
     this.drawer.drawFades(this.fades);
 };
 
-TrackEditor.prototype.onTrackLoad = function(buffer) {
+TrackEditor.prototype.onTrackLoad = function(buffer, err) {
     var res,
         startTime,
         endTime;
 
+    if (err !== undefined) {
+        this.container.innerHTML = "";
+        this.container.classList.add("error");
+
+        this.fire('unregister');
+
+        return;
+    }
+
     if (this.cues === undefined) {
         this.setCuePoints(0, buffer.length - 1);
     }
@@ -282,6 +291,8 @@ TrackEditor.prototype.deactivate = function() {
 /* start of state methods */
 
 TrackEditor.prototype.timeShift = function(e) {
+    e.preventDefault();
+
     var el = e.currentTarget, //want the events placed on the channel wrapper.
         startX = e.pageX, 
         diffX = 0, 
@@ -296,6 +307,8 @@ TrackEditor.prototype.timeShift = function(e) {
     
     //dynamically put an event on the element.
     el.onmousemove = function(e) {
+        e.preventDefault();
+
         var endX = e.pageX;
         
         diffX = endX - startX;
@@ -303,7 +316,9 @@ TrackEditor.prototype.timeShift = function(e) {
         editor.drawer.setTimeShift(updatedX);
         editor.leftOffset = editor.pixelsToSamples(updatedX);
     };
-    el.onmouseup = function() {
+    el.onmouseup = function(e) {
+        e.preventDefault();
+
         var delta;
 
         el.onmousemove = el.onmouseup = null;
@@ -453,6 +468,8 @@ TrackEditor.prototype.findLayerOffset = function(e) {
 };
 
 TrackEditor.prototype.selectStart = function(e) {
+    e.preventDefault();
+
     var el = e.currentTarget, //want the events placed on the channel wrapper.
         editor = this,
         startX = e.layerX || e.offsetX, //relative to e.target (want the canvas).
@@ -475,6 +492,8 @@ TrackEditor.prototype.selectStart = function(e) {
 
     //dynamically put an event on the element.
     el.onmousemove = function(e) {
+        e.preventDefault();
+
         var currentX = layerOffset + (e.layerX || e.offsetX),
             delta = currentX - prevX,
             minX = Math.min(prevX, currentX, startX),
@@ -500,6 +519,8 @@ TrackEditor.prototype.selectStart = function(e) {
         prevX = currentX;
     };
     el.onmouseup = function(e) {
+        e.preventDefault();
+
         var endX = layerOffset + (e.layerX || e.offsetX),
             minX, maxX,
             startTime, endTime;
@@ -555,6 +576,8 @@ TrackEditor.prototype.selectCursorPos = function(e) {
 };
 
 TrackEditor.prototype.selectFadeIn = function(e) {
+    e.preventDefault();
+
     var startX = e.layerX || e.offsetX, //relative to e.target (want the canvas).
         layerOffset,
         FADETYPE = "FadeIn",
@@ -572,6 +595,8 @@ TrackEditor.prototype.selectFadeIn = function(e) {
 };
 
 TrackEditor.prototype.selectFadeOut = function(e) {
+    e.preventDefault();
+
     var startX = e.layerX || e.offsetX, //relative to e.target (want the canvas).
         layerOffset,
         FADETYPE = "FadeOut",