yetangitu/canvas-based-HTML5-Comic-Book-Reader
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removed crappy exception class

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This commit is contained in:
Bala Clark 2011-09-06 17:04:38 +02:00
parent aaafbbc12c
commit 752bf3b02f
1 changed files with 12 additions and 18 deletions
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30
lib/ComicBook.js
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@ -4,7 +4,6 @@
TODOs:
Fo sho:
- fix last page loading bug
- improve prev/next buttons, only show them when they can possibly work (not at beginning/end)
- check for html5 feature support where used: diveintohtml5.org/everything.html or www.modernizr.com
- write bin scripts to minify & join all js
@ -54,16 +53,12 @@ function merge(a, b) {
* @param {Object} object
* @returns {ComicBookException}
*/
function ComicBookException(type, object) {
this.type = type;
this.object = object;
this.INVALID_PAGE = "invalid page";
this.INVALID_PAGE_TYPE = "invalid page type";
this.UNDEFINED_CONTROL = "undefined control";
this.INVALID_ZOOM_MODE = "invalid zoom mode";
this.INVALID_NAVIGATION_EVENT = "invalid navigation event";
var ComicBookException = {
INVALID_PAGE: "invalid page",
INVALID_PAGE_TYPE: "invalid page type",
UNDEFINED_CONTROL: "undefined control",
INVALID_ZOOM_MODE: "invalid zoom mode",
INVALID_NAVIGATION_EVENT: "invalid navigation event"
};
function ComicBook(id, srcs, opts) {
@ -348,7 +343,7 @@ function ComicBook(id, srcs, opts) {
ComicBook.prototype.getControl = function(control) {
if (typeof this.control[control] === "undefined") {
throw new ComicBookException(ComicBookException.UNDEFINED_CONTROL, control);
throw ComicBookException.UNDEFINED_CONTROL+' '+control;
}
return this.control[control];
@ -394,7 +389,7 @@ function ComicBook(id, srcs, opts) {
ComicBook.prototype.getPage = function(i) {
if (i < 0 || i > srcs.length) {
throw new ComicBookException(ComicBookException.INVALID_PAGE, i);
throw ComicBookException.INVALID_PAGE+' '+i;
}
if (typeof pages[i] === "object") {
@ -525,8 +520,9 @@ function ComicBook(id, srcs, opts) {
if (options.displayMode === "double" && pointer < srcs.length-1) {
page2 = ComicBook.prototype.getPage(pointer + 1);
}
if (typeof page !== "object") {
throw new ComicBookException(ComicBookException.INVALID_PAGE_TYPE, typeof page);
throw ComicBookException.INVALID_PAGE_TYPE+' '+typeof page;
}
var width = page.width;
@ -572,7 +568,7 @@ function ComicBook(id, srcs, opts) {
break;
default:
throw new ComicBookException(ComicBookException.INVALID_ZOOM_MODE, options.zoomMode);
throw ComicBookException.INVALID_ZOOM_MODE+' '+options.zoomMode;
}
var canvas_width = page.width * zoom_scale;
@ -802,9 +798,7 @@ function ComicBook(id, srcs, opts) {
}
break;
default:
throw new ComicBookException(
ComicBookException.INVALID_NAVIGATION_EVENT, e.type
);
throw ComicBookException.INVALID_NAVIGATION_EVENT+' '+e.type;
}
if (side) {