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Code Issues Projects Releases Wiki Activity

User-visible warning when tile sources fail to load

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This is currently using window.alert in lieu of something more sophisticated but it works for indicating 404s or invalid file
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This commit is contained in:
Chris Adams 2013-06-27 18:10:23 -04:00
parent 494bf7fe41
commit 2bf6b13bfe
3 changed files with 30 additions and 1 deletions
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3
src/strings.js
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@ -45,7 +45,8 @@ var I18N = {
ImageFormat: "Sorry, we don't support {0}-based Deep Zoom Images.",
Security: "It looks like a security restriction stopped us from " +
"loading this Deep Zoom Image.",
Status: "This space unintentionally left blank ({0} {1})."
Status: "This space unintentionally left blank ({0} {1}).",
"Open-Failed": "Unable to open {0}: {1}"
},
Tooltips: {

12
src/tilesource.js
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@ -293,6 +293,11 @@ $.TileSource.prototype = {
callback = function( data ){
var $TileSource = $.TileSource.determineType( _this, data, url );
if ( !$TileSource ) {
_this.raiseEvent( 'open-failed', { message: "Unable to load TileSource", source: url } );
return;
}
options = $TileSource.prototype.configure.apply( _this, [ data, url ]);
readySource = new $TileSource( options );
_this.ready = true;
@ -315,6 +320,11 @@ $.TileSource.prototype = {
$.makeAjaxRequest( url, function( xhr ) {
var data = processResponse( xhr );
callback( data );
}, function ( xhr ) {
_this.raiseEvent( 'open-failed', {
message: "HTTP " + xhr.status + " attempting to load TileSource",
source: url
});
});
}
@ -458,6 +468,8 @@ $.TileSource.determineType = function( tileSource, data, url ){
return OpenSeadragon[ property ];
}
}
$.console.error( "No TileSource was able to open %s %s", url, data );
};

16
src/viewer.js
View File

@ -171,6 +171,12 @@ $.Viewer = function( options ) {
//Inherit some behaviors and properties
$.EventHandler.call( this );
this.addHandler( 'open-failed', function (source, args) {
var msg = $.getString( "Errors.Open-Failed", args.source, args.message);
window.alert( msg );
});
$.ControlDock.call( this, options );
//Deal with tile sources
@ -433,6 +439,9 @@ $.extend( $.Viewer.prototype, $.EventHandler.prototype, $.ControlDock.prototype,
tileSource = new $.TileSource( tileSource, function( readySource ){
openTileSource( _this, readySource );
});
tileSource.addHandler( 'open-failed', function ( name, args ) {
_this.raiseEvent( 'open-failed', args );
});
} else if ( $.isPlainObject( tileSource ) || tileSource.nodeType ){
if( $.isFunction( tileSource.getTileUrl ) ){
@ -443,6 +452,13 @@ $.extend( $.Viewer.prototype, $.EventHandler.prototype, $.ControlDock.prototype,
} else {
//inline configuration
$TileSource = $.TileSource.determineType( _this, tileSource );
if ( !$TileSource ) {
_this.raiseEvent( 'open-failed', {
message: "Unable to load TileSource",
source: tileSource
});
return;
}
options = $TileSource.prototype.configure.apply( _this, [ tileSource ]);
readySource = new $TileSource( options );
openTileSource( _this, readySource );