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1. Reference config.js in the editor (and remove encouragement for adding extensions to HTML) but ignore config.js in SVN (let user configure) but supply config-sample.js to indicate config/pref/extension possibilities; 

2. Move ext-overview_window.js to default but overridable list of extensions (as with other extensions);
3. Allow extensions to avoid problems if failing to return an object (in svgcanvas.js);
4. Support new langReady callback to ensure extension always called when locale info is ready (and always load locale, even English);
5. Move localStorage storing to a new (i18n-ized and available-by-default) storage extension which adds a dialog asking user for whether to store prefs and/or SVG content; $.pref() now falls back to checking defaultPrefs (which may have been expanded at runtime to include URL or storage settings); use new config "forceStorage" to get old (bad) behavior
6. Remove initial cap from "Editor" to reflect singleton nature of object (as compared to JSLint conventions for initial cap constructors);
7. Begin a little JSDoc, clearer grouping of properties/methods; JSLint/clean-up
8. Omit values for lang and iconsize to be successfully auto-detected; 9. Document "save_notice_done" and "export_notice_done" within list of prefs; document "showlayers" and "no_save_warning" as config
10. Add "preventAllURLConfig" and "preventURLContentLoading" config for URL security; 
11. Add "lockExtensions" and "noDefaultExtensions" config for URL behavior re: extension loading
12. Document "showGrid", and new "noStorageOnLoad" and "emptyStorageOnDecline" extension-related config
13. Change setConfig to allow a second object with "overwrite" and "allowInitialUserOverride" properties and to behave accordingly (with URL config acting with overwrite=false to act under lower priority given security concern), along with checking "preventAllURLConfig" and "lockExtensions" config.
14. Remove any dupe extensions
15. Strip all path config from URL setting in addition to extPath (imgPath, langPath, jGraduatePath)
16. Support select+checkbox type dialog (used for storage ext.)
17. Ensure clickSelect is public so can be properly used by ext-connector.js
18. Reinstate 'in' checks just to be safe
19. Fix broken linkControlPoints() and addSubPath() functions
20. Fix problem when position returned by extension object was too high (e.g., if too few other extensions were included).

git-svn-id: http://svg-edit.googlecode.com/svn/trunk@2705 eee81c28-f429-11dd-99c0-75d572ba1ddd
master
Brett Zamir 2014-02-18 15:06:27 +00:00
parent cd560993f0
commit e463b43220
8 changed files with 1004 additions and 328 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

138
editor/config-sample.js Normal file
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@ -0,0 +1,138 @@
// DO NOT EDIT THIS FILE!
// THIS FILE IS JUST A SAMPLE; TO APPLY, YOU MUST
// CREATE A NEW FILE config.js AND ADD CONTENTS
// SUCH AS SHOWN BELOW INTO THAT FILE.
/*globals svgEditor*/
/*
The config.js file is intended for the setting of configuration or
preferences which must run early on; if this is not needed, it is
recommended that you create an extension instead (for greater
reusability and modularity).
*/
// CONFIG AND EXTENSION SETTING
/*
See defaultConfig and defaultExtensions in svg-editor.js for a list
of possible configuration settings.
See svg-editor.js for documentation on using setConfig().
*/
// URL OVERRIDE CONFIG
svgEditor.setConfig({
/**
To override the ability for URLs to set URL-based SVG content,
uncomment the following:
*/
// preventURLContentLoading: true,
/**
To override the ability for URLs to set other configuration (including
extensions), uncomment the following:
*/
// preventAllURLConfig: true,
/**
To override the ability for URLs to set their own extensions,
uncomment the following (note that if setConfig() is used in
extension code, it will still be additive to extensions,
however):
*/
// lockExtensions: true,
});
svgEditor.setConfig({
/*
Provide default values here which differ from that of the editor but
which the URL can override
*/
}, {allowInitialUserOverride: true});
// EXTENSION CONFIG
svgEditor.setConfig({
extensions: [
// 'ext-overview_window.js', 'ext-markers.js', 'ext-connector.js', 'ext-eyedropper.js', 'ext-shapes.js', 'ext-imagelib.js', 'ext-grid.js', 'ext-polygon.js', 'ext-star.js', 'ext-panning.js', 'ext-storage.js'
]
// , noDefaultExtensions: false, // noDefaultExtensions can only be meaningfully used in config.js or in the URL
});
// OTHER CONFIG
svgEditor.setConfig({
// canvasName: 'default',
// canvas_expansion: 3,
// initFill: {
// color: 'FF0000', // solid red
// opacity: 1
// },
// initStroke: {
// width: 5,
// color: '000000', // solid black
// opacity: 1
// },
// initOpacity: 1,
// colorPickerCSS: null,
// initTool: 'select',
// wireframe: false,
// showlayers: false,
// no_save_warning: false,
// PATH CONFIGURATION
// imgPath: 'images/',
// langPath: 'locale/',
// extPath: 'extensions/',
// jGraduatePath: 'jgraduate/images/',
// DOCUMENT PROPERTIES
// dimensions: [640, 480],
// EDITOR OPTIONS
// gridSnapping: false,
// gridColor: '#000',
// baseUnit: 'px',
// snappingStep: 10,
// showRulers: true,
// EXTENSION-RELATED (GRID)
// showGrid: false, // Set by ext-grid.js
// EXTENSION-RELATED (STORAGE)
// noStorageOnLoad: false, // Some interaction with ext-storage.js; prevent even the loading of previously saved local storage
// forceStorage: false, // Some interaction with ext-storage.js; strongly discouraged from modification as it bypasses user privacy by preventing them from choosing whether to keep local storage or not
// emptyStorageOnDecline: true, // Used by ext-storage.js; empty any prior storage if the user declines to store
});
// PREF CHANGES
/**
setConfig() can also be used to set preferences in addition to
configuration (see defaultPrefs in svg-editor.js for a list of
possible settings), but at least if you are using ext-storage.js
to store preferences, it will probably be better to let your
users control these.
As with configuration, one may use allowInitialUserOverride, but
in the case of preferences, any previously stored preferences
will also thereby be enabled to override this setting (and at a
higher priority than any URL preference setting overrides).
Failing to use allowInitialUserOverride will ensure preferences
are hard-coded here regardless of URL or prior user storage setting.
*/
svgEditor.setConfig(
{
// lang: '', // Set dynamically within locale.js if not previously set
// iconsize: '', // Will default to 's' if the window height is smaller than the minimum height and 'm' otherwise
/**
* When showing the preferences dialog, svg-editor.js currently relies
* on curPrefs instead of $.pref, so allowing an override for bkgd_color
* means that this value won't have priority over block auto-detection as
* far as determining which color shows initially in the preferences
* dialog (though it can be changed and saved).
*/
// bkgd_color: '#FFF',
// bkgd_url: '',
// img_save: 'embed',
// Only shows in UI as far as alert notices
// save_notice_done: false,
// export_notice_done: false
}
);
svgEditor.setConfig(
{
// Indicate pref settings here if you wish to allow user storage or URL settings
// to be able to override your default preferences (unless other config options
// have already explicitly prevented one or the other)
},
{allowInitialUserOverride: true}
);

2
editor/extensions/ext-mathjax.js
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@ -43,7 +43,7 @@ svgEditor.addExtension("mathjax", function() {'use strict';
mathjaxLoaded = false, mathjaxLoaded = false,
uiStrings = svgEditor.uiStrings; uiStrings = svgEditor.uiStrings;
// TODO: Implement language support. // TODO: Implement language support. Move these uiStrings to the locale files and the code to the langReady callback.
$.extend(uiStrings, { $.extend(uiStrings, {
mathjax: { mathjax: {
embed_svg: 'Save as mathematics', embed_svg: 'Save as mathematics',

281
editor/extensions/ext-storage.js Normal file
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@ -0,0 +1,281 @@
/*globals svgEditor, svgCanvas, $, widget*/
/*jslint vars: true, eqeq: true, regexp: true, continue: true*/
/*
* ext-storage.js
*
* Licensed under the MIT License
*
* Copyright(c) 2010 Brett Zamir
*
*/
/**
* This extension allows automatic saving of the SVG canvas contents upon
* page unload (which can later be automatically retrieved upon future
* editor loads).
*
* The functionality was originally part of the SVG Editor, but moved to a
* separate extension to make the setting behavior optional, and adapted
* to inform the user of its setting of local data.
*/
/*
TODOS
1. Revisit on whether to use $.pref over directly setting curConfig in all
extensions for a more public API (not only for extPath and imagePath,
but other currently used config in the extensions)
2. We might provide control of storage settings through the UI besides the
initial (or URL-forced) dialog.
*/
svgEditor.addExtension('storage', function() {
// We could empty any already-set data for users when they decline storage,
// but it would be a risk for users who wanted to store but accidentally
// said "no"; instead, we'll let those who already set it, delete it themselves;
// to change, set the "emptyStorageOnDecline" config setting to true
// in config.js.
var emptyStorageOnDecline = svgEditor.curConfig.emptyStorageOnDecline,
// When the code in svg-editor.js prevents local storage on load per
// user request, we also prevent storing on unload here so as to
// avoid third-party sites making XSRF requests or providing links
// which would cause the user's local storage not to load and then
// upon page unload (such as the user closing the window), the storage
// would thereby be set with an empty value, erasing any of the
// user's prior work. To change this behavior so that no use of storage
// or adding of new storage takes place regardless of settings, set
// the "noStorageOnLoad" config setting to true in config.js.
noStorageOnLoad = svgEditor.curConfig.noStorageOnLoad,
forceStorage = svgEditor.curConfig.forceStorage;
function replaceStoragePrompt (val) {
val = val ? 'storagePrompt=' + val : '';
if (window.location.href.indexOf('storagePrompt=') > -1) {
window.location.href = window.location.href.replace(/([&?])storagePrompt=[^&]*(&?)/, function (n0, n1, amp) {
return (val ? n1 : '') + val + (!val && amp ? n1 : (amp || ''));
});
}
else {
window.location.href += (window.location.href.indexOf('?') > -1 ? '&' : '?') + val;
}
}
function setSVGContentStorage (val) {
if ('localStorage' in window) {
var name = 'svgedit-' + svgEditor.curConfig.canvasName;
if (!val) {
window.localStorage.removeItem(name);
}
else {
window.localStorage.setItem(name, val);
}
}
}
function removeStoragePrefCookie () {
document.cookie = 'store=; expires=Thu, 01 Jan 1970 00:00:00 GMT';
}
function emptyLocalStorage() {
setSVGContentStorage('');
var name;
if ('localStorage' in window) {
for (name in svgEditor.curPrefs) {
if (svgEditor.curPrefs.hasOwnProperty(name)) {
window.localStorage.removeItem(name);
}
}
}
}
// emptyLocalStorage();
/**
* Listen for unloading: If and only if opted in by the user, set the content
* document and preferences into storage:
* 1. Prevent save warnings (since we're automatically saving unsaved
* content into storage)
* 2. Use localStorage to set SVG contents (potentially too large to allow in cookies)
* 3. Use localStorage (where available) or cookies to set preferences.
*/
function setupBeforeUnloadListener () {
window.addEventListener('beforeunload', function(e) {
// Don't save anything unless the user opted in to storage
if (!document.cookie.match(/(?:^|;\s*)store=(?:prefsAndContent|prefsOnly)/)) {
return;
}
var key;
if (document.cookie.match(/(?:^|;\s*)store=prefsAndContent/)) {
setSVGContentStorage(svgCanvas.getSvgString());
}
svgEditor.setConfig({no_save_warning: true}); // No need for explicit saving at all once storage is on
// svgEditor.showSaveWarning = false;
var curPrefs = svgEditor.curPrefs;
for (key in curPrefs) {
if (curPrefs.hasOwnProperty(key)) { // It's our own config, so we don't need to iterate up the prototype chain
var storage = svgEditor.storage,
val = curPrefs[key],
store = (val != undefined);
key = 'svg-edit-' + key;
if (!store) {
continue;
}
if (storage) {
storage.setItem(key, val);
}
else if (window.widget) {
widget.setPreferenceForKey(val, key);
}
else {
val = encodeURIComponent(val);
document.cookie = key + '=' + val + '; expires=Fri, 31 Dec 9999 23:59:59 GMT';
}
}
}
}, false);
}
/*
// We could add locales here instead (and also thereby avoid the need
// to keep our content within "langReady"), but this would be less
// convenient for translators.
$.extend(uiStrings, {confirmSetStorage: {
message: "By default and where supported, SVG-Edit can store your editor "+
"preferences and SVG content locally on your machine so you do not "+
"need to add these back each time you load SVG-Edit. If, for privacy "+
"reasons, you do not wish to store this information on your machine, "+
"you can change away from the default option below.",
storagePrefsAndContent: "Store preferences and SVG content locally",
storagePrefsOnly: "Only store preferences locally",
storagePrefs: "Store preferences locally",
storageNoPrefsOrContent: "Do not store my preferences or SVG content locally",
storageNoPrefs: "Do not store my preferences locally",
rememberLabel: "Remember this choice?",
rememberTooltip: "If you choose to opt out of storage while remembering this choice, the URL will change so as to avoid asking again."
}});
*/
var loaded = false;
return {
name: 'storage',
langReady: function (data) {
var // lang = data.lang,
uiStrings = data.uiStrings, // No need to store as dialog should only run once
storagePrompt = $.deparam.querystring(true).storagePrompt;
// No need to run this one-time dialog again just because the user
// changes the language
if (loaded) {
return;
}
loaded = true;
// Note that the following can load even if "noStorageOnLoad" is
// set to false; to avoid any chance of storage, avoid this
// extension! (and to avoid using any prior storage, set the
// config option "noStorageOnLoad" to true).
if (!forceStorage && (
// If the URL has been explicitly set to always prompt the
// user (e.g., so one can be pointed to a URL where one
// can alter one's settings, say to prevent future storage)...
storagePrompt === true ||
(
// ...or...if the URL at least doesn't explicitly prevent a
// storage prompt (as we use for users who
// don't want to set cookies at all but who don't want
// continual prompts about it)...
storagePrompt !== false &&
// ...and this user hasn't previously indicated a desire for storage
!document.cookie.match(/(?:^|;\s*)store=(?:prefsAndContent|prefsOnly)/)
)
// ...then show the storage prompt.
)) {
var options = [];
if ('localStorage' in window) {
options.unshift(
{value: 'prefsAndContent', text: uiStrings.confirmSetStorage.storagePrefsAndContent},
{value: 'prefsOnly', text: uiStrings.confirmSetStorage.storagePrefsOnly},
{value: 'noPrefsOrContent', text: uiStrings.confirmSetStorage.storageNoPrefsOrContent}
);
}
else {
options.unshift(
{value: 'prefsOnly', text: uiStrings.confirmSetStorage.storagePrefs},
{value: 'noPrefsOrContent', text: uiStrings.confirmSetStorage.storageNoPrefs}
);
}
// Hack to temporarily provide a wide and high enough dialog
var oldContainerWidth = $('#dialog_container')[0].style.width,
oldContainerMarginLeft = $('#dialog_container')[0].style.marginLeft,
oldContentHeight = $('#dialog_content')[0].style.height,
oldContainerHeight = $('#dialog_container')[0].style.height;
$('#dialog_content')[0].style.height = '120px';
$('#dialog_container')[0].style.height = '170px';
$('#dialog_container')[0].style.width = '800px';
$('#dialog_container')[0].style.marginLeft = '-400px';
// Open select-with-checkbox dialog
$.select(
uiStrings.confirmSetStorage.message,
options,
function (pref, checked) {
if (pref && pref !== 'noPrefsOrContent') {
// Regardless of whether the user opted
// to remember the choice (and move to a URL which won't
// ask them again), we have to assume the user
// doesn't even want to remember their not wanting
// storage, so we don't set the cookie or continue on with
// setting storage on beforeunload
document.cookie = 'store=' + pref + '; expires=Fri, 31 Dec 9999 23:59:59 GMT'; // 'prefsAndContent' | 'prefsOnly'
// If the URL was configured to always insist on a prompt, if
// the user does indicate a wish to store their info, we
// don't want ask them again upon page refresh so move
// them instead to a URL which does not always prompt
if (storagePrompt === true && checked) {
replaceStoragePrompt();
return;
}
}
else { // The user does not wish storage (or cancelled, which we treat equivalently)
removeStoragePrefCookie();
if (emptyStorageOnDecline) {
emptyLocalStorage();
}
if (pref && checked) {
// Open a URL which won't set storage and won't prompt user about storage
replaceStoragePrompt('false');
return;
}
}
// Reset width/height of dialog (e.g., for use by Export)
$('#dialog_container')[0].style.width = oldContainerWidth;
$('#dialog_container')[0].style.marginLeft = oldContainerMarginLeft;
$('#dialog_content')[0].style.height = oldContentHeight;
$('#dialog_container')[0].style.height = oldContainerHeight;
// It should be enough to (conditionally) add to storage on
// beforeunload, but if we wished to update immediately,
// we might wish to try setting:
// svgEditor.setConfig({noStorageOnLoad: true});
// and then call:
// svgEditor.loadContentAndPrefs();
// We don't check for noStorageOnLoad here because
// the prompt gives the user the option to store data
setupBeforeUnloadListener();
svgEditor.storagePromptClosed = true;
},
null,
null,
{
label: uiStrings.confirmSetStorage.rememberLabel,
checked: false,
tooltip: uiStrings.confirmSetStorage.rememberTooltip
}
);
}
else if (!noStorageOnLoad || forceStorage) {
setupBeforeUnloadListener();
}
}
};
});

14
editor/locale/lang.en.js
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@ -1,5 +1,19 @@
/*globals svgEditor */ /*globals svgEditor */
svgEditor.readLang({ svgEditor.readLang({
confirmSetStorage: {
message: "By default and where supported, SVG-Edit can store your editor "+
"preferences and SVG content locally on your machine so you do not "+
"need to add these back each time you load SVG-Edit. If, for privacy "+
"reasons, you do not wish to store this information on your machine, "+
"you can change away from the default option below.",
storagePrefsAndContent: "Store preferences and SVG content locally",
storagePrefsOnly: "Only store preferences locally",
storagePrefs: "Store preferences locally",
storageNoPrefsOrContent: "Do not store my preferences or SVG content locally",
storageNoPrefs: "Do not store my preferences locally",
rememberLabel: "Remember this choice?",
rememberTooltip: "If you choose to opt out of storage while remembering this choice, the URL will change so as to avoid asking again."
},
lang: "en", lang: "en",
dir : "ltr", dir : "ltr",
common: { common: {

25
editor/locale/locale.js
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@ -15,7 +15,7 @@
// 2) svgcanvas.js // 2) svgcanvas.js
// 3) svg-editor.js // 3) svg-editor.js
var svgEditor = (function($, Editor) {'use strict'; var svgEditor = (function($, editor) {'use strict';
var lang_param; var lang_param;
@ -54,10 +54,10 @@ var svgEditor = (function($, Editor) {'use strict';
} }
} }
Editor.readLang = function(langData) { editor.readLang = function(langData) {
var more = Editor.canvas.runExtensions("addlangData", lang_param, true); var more = editor.canvas.runExtensions("addlangData", lang_param, true);
$.each(more, function(i, m) { $.each(more, function(i, m) {
if(m.data) { if (m.data) {
langData = $.merge(langData, m.data); langData = $.merge(langData, m.data);
} }
}); });
@ -272,10 +272,10 @@ var svgEditor = (function($, Editor) {'use strict';
}, true); }, true);
Editor.setLang(lang_param, langData); editor.setLang(lang_param, langData);
}; };
Editor.putLocale = function (given_param, good_langs) { editor.putLocale = function (given_param, good_langs) {
if (given_param) { if (given_param) {
lang_param = given_param; lang_param = given_param;
@ -286,10 +286,10 @@ var svgEditor = (function($, Editor) {'use strict';
if (navigator.userLanguage) { // Explorer if (navigator.userLanguage) { // Explorer
lang_param = navigator.userLanguage; lang_param = navigator.userLanguage;
} }
else if (navigator.language) {// FF, Opera, ... else if (navigator.language) { // FF, Opera, ...
lang_param = navigator.language; lang_param = navigator.language;
} }
if (lang_param == '') { if (lang_param == null) { // Todo: Would cause problems if uiStrings removed; remove this?
return; return;
} }
} }
@ -302,11 +302,14 @@ var svgEditor = (function($, Editor) {'use strict';
} }
// don't bother on first run if language is English // don't bother on first run if language is English
if (lang_param.indexOf("en") === 0) {return;} // The following line prevents setLang from running
// extensions which depend on updated uiStrings,
// so commenting it out.
// if (lang_param.indexOf("en") === 0) {return;}
} }
var conf = Editor.curConfig; var conf = editor.curConfig;
var url = conf.langPath + "lang." + lang_param + ".js"; var url = conf.langPath + "lang." + lang_param + ".js";
@ -321,5 +324,5 @@ var svgEditor = (function($, Editor) {'use strict';
}; };
return Editor; return editor;
}(jQuery, svgEditor)); }(jQuery, svgEditor));

6
editor/svg-editor.html
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@ -49,13 +49,13 @@
<script src="contextmenu.js"></script> <script src="contextmenu.js"></script>
<!--{endif}--> <!--{endif}-->
<!-- you can load extensions here --> <!-- If you do not wish to add extensions by URL, you can load them
<!-- <script src="extensions/ext-helloworld.js"></script> --> by creating the following file and adding by calls to svgEditor.setConfig -->
<script src="config.js"></script>
<!-- always minified scripts --> <!-- always minified scripts -->
<script src="jquery-ui/jquery-ui-1.8.17.custom.min.js"></script> <script src="jquery-ui/jquery-ui-1.8.17.custom.min.js"></script>
<script src="jgraduate/jpicker.js"></script> <script src="jgraduate/jpicker.js"></script>
<script src="extensions/ext-overview_window.js"></script>
<!-- feeds --> <!-- feeds -->
<link rel="alternate" type="application/atom+xml" title="SVG-edit General Discussion" href="http://groups.google.com/group/svg-edit/feed/atom_v1_0_msgs.xml" /> <link rel="alternate" type="application/atom+xml" title="SVG-edit General Discussion" href="http://groups.google.com/group/svg-edit/feed/atom_v1_0_msgs.xml" />

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editor/svg-editor.js
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2
editor/svgcanvas.js
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@ -489,7 +489,7 @@ canvas.clipBoard = [];
var runExtensions = this.runExtensions = function(action, vars, returnArray) { var runExtensions = this.runExtensions = function(action, vars, returnArray) {
var result = returnArray ? [] : false; var result = returnArray ? [] : false;
$.each(extensions, function(name, opts) { $.each(extensions, function(name, opts) {
if (action in opts) { if (opts && action in opts) {
if (returnArray) { if (returnArray) {
result.push(opts[action](vars)); result.push(opts[action](vars));
} else { } else {