From 0dd97dbc567c35a857d82c9696f23dcb317c3ae9 Mon Sep 17 00:00:00 2001
From: Ian Gilman <ian@iangilman.com>
Date: Fri, 14 Nov 2014 16:51:02 -0800
Subject: [PATCH] First version of sequence mode

---
 src/viewer.js                 | 21 ++++++++++++++++-----
 test/demo/collections/main.js | 24 ++++++++++++++----------
 2 files changed, 30 insertions(+), 15 deletions(-)

diff --git a/src/viewer.js b/src/viewer.js
index 2b2ea1f1..52583764 100644
--- a/src/viewer.js
+++ b/src/viewer.js
@@ -207,6 +207,7 @@ $.Viewer = function( options ) {
         "onfullscreenchange": null
     };
 
+    this._firstOpen = true;
     this._updateRequestId = null;
     this.currentOverlays = [];
 
@@ -374,7 +375,6 @@ $.Viewer = function( options ) {
     }
 
     this.bindStandardControls();
-    this.bindSequenceControls();
 
     THIS[ this.hash ].prevContainerSize = _getSafeElemSize( this.container );
 
@@ -505,12 +505,21 @@ $.Viewer = function( options ) {
         });
     }
 
+    // Sequence mode
+    if (this.sequenceMode) {
+        THIS[ this.hash ].sequenced = true;
+        this.initialPage = Math.max(0, Math.min(this.tileSources.length - 1, this.initialPage));
+        THIS[ this.hash ].sequence = this.initialPage;
+        this.bindSequenceControls();
+    }
+
     // Open initial tilesources
     if ( this.tileSources ) {
-        this.open( this.tileSources );
-
-        if ( this.tileSources.length > 1 ) {
+        if (this.sequenceMode) {
+            this.open(this.tileSources[this.initialPage]);
             this._updateSequenceButtons( this.initialPage );
+        } else {
+            this.open( this.tileSources );
         }
     }
 
@@ -589,10 +598,12 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
         var checkCompletion = function() {
             if (successes + failures === expected) {
                 if (successes) {
-                    if (!_this.preserveViewport) {
+                    if (_this._firstOpen || !_this.preserveViewport) {
                         _this.viewport.goHome( true );
                     }
 
+                    _this._firstOpen = false;
+
                     var source = tileSources[0];
                     if (source.tileSource) {
                         source = source.tileSource;
diff --git a/test/demo/collections/main.js b/test/demo/collections/main.js
index 426015b2..f026453e 100644
--- a/test/demo/collections/main.js
+++ b/test/demo/collections/main.js
@@ -6,7 +6,7 @@
         init: function() {
             var self = this;
 
-            var testInitialOpen = false;
+            var testInitialOpen = true;
             var testOverlays = false;
             var testMargins = false;
             var testNavigator = false;
@@ -16,9 +16,12 @@
                 // debugMode: true,
                 zoomPerScroll: 1.02,
                 showNavigator: testNavigator,
-                collectionMode: true,
-                collectionRows: 3,
-                collectionLayout: 'vertical',
+                sequenceMode: true,
+                navPrevNextWrap: false,
+                preserveViewport: false,
+                // collectionMode: true,
+                // collectionRows: 3,
+                // collectionLayout: 'vertical',
                 // collectionTileSize: 10,
                 // collectionTileMargin: 10,
                 // wrapHorizontal: true,
@@ -29,12 +32,13 @@
 
             if (testInitialOpen) {
                 config.tileSources = [
+                    // {
+                    //     tileSource: "../../data/tall.dzi",
+                    //     x: 1.5,
+                    //     y: 0,
+                    //     width: 1
+                    // },
                     {
-                        tileSource: "../../data/tall.dzi",
-                        x: 1.5,
-                        y: 0,
-                        width: 1
-                    }, {
                         tileSource: '../../data/wide.dzi',
                         opacity: 1,
                         x: 0,
@@ -101,7 +105,7 @@
             }
 
             // this.crossTest3();
-            this.collectionTest();
+            // this.collectionTest();
         },
 
         // ----------