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Code Issues Projects Releases Wiki Activity

Items added with addTiledImage are now added in correct sequence

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This commit is contained in:
Ian Gilman 2014-11-18 15:45:03 -08:00
parent 7359dbe8ae
commit b7c78812c5
1 changed files with 76 additions and 50 deletions
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54
src/viewer.js
View File

@ -207,6 +207,7 @@ $.Viewer = function( options ) {
this._sequenceIndex = 0;
this._firstOpen = true;
this._updateRequestId = null;
this._loadQueue = [];
this.currentOverlays = [];
//Inherit some behaviors and properties
@ -1260,12 +1261,22 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
$.console.assert(options, "[Viewer.addTiledImage] options is required");
$.console.assert(options.tileSource, "[Viewer.addTiledImage] options.tileSource is required");
var _this = this,
tileSource = options.tileSource;
var _this = this;
this._hideMessage();
var myQueueItem = {
options: options
};
function raiseAddItemFailed( event ) {
for (var i = 0; i < _this._loadQueue; i++) {
if (_this._loadQueue[i] === myQueueItem) {
_this._loadQueue.splice(i, 1);
break;
}
}
/**
* Raised when an error occurs while adding a item.
* @event add-item-failed
@ -1284,7 +1295,9 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
}
}
getTileSourceImplementation( this, tileSource, function( tileSource ) {
this._loadQueue.push(myQueueItem);
getTileSourceImplementation( this, options.tileSource, function( tileSource ) {
if ( tileSource instanceof Array ) {
raiseAddItemFailed({
@ -1295,17 +1308,29 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
return;
}
var tiledImage = new $.TiledImage({
myQueueItem.tileSource = tileSource;
// add everybody at the front of the queue that's ready to go
var queueItem, tiledImage, optionsClone;
while (_this._loadQueue.length) {
queueItem = _this._loadQueue[0];
if (!queueItem.tileSource) {
break;
}
_this._loadQueue.splice(0, 1);
tiledImage = new $.TiledImage({
viewer: _this,
source: tileSource,
source: queueItem.tileSource,
viewport: _this.viewport,
drawer: _this.drawer,
tileCache: _this.tileCache,
imageLoader: _this.imageLoader,
x: options.x,
y: options.y,
width: options.width,
height: options.height,
x: queueItem.options.x,
y: queueItem.options.y,
width: queueItem.options.width,
height: queueItem.options.height,
imageLoaderLimit: _this.imageLoaderLimit,
minZoomImageRatio: _this.minZoomImageRatio,
wrapHorizontal: _this.wrapHorizontal,
@ -1319,7 +1344,7 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
});
_this.world.addItem( tiledImage, {
index: options.index
index: queueItem.options.index
});
if (_this.collectionMode) {
@ -1336,19 +1361,20 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
}
if (_this.navigator) {
var optionsClone = $.extend({}, options, {
optionsClone = $.extend({}, queueItem.options, {
originalTiledImage: tiledImage,
tileSource: tileSource
tileSource: queueItem.tileSource
});
_this.navigator.addTiledImage(optionsClone);
}
if (options.success) {
options.success({
if (queueItem.options.success) {
queueItem.options.success({
item: tiledImage
});
}
}
}, function( event ) {
event.options = options;
raiseAddItemFailed(event);