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makes plugin architecture work in client-side from inside IFrames as well

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Constantin Jucovschi 2012-03-14 11:45:25 +01:00
parent 0431c15325
commit 1a64a6c1c5
2 changed files with 42 additions and 0 deletions
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5
src/static/js/ace.js
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@ -261,6 +261,11 @@ require.setGlobalKeyPath("require");\n\
// Inject my plugins into my child. // Inject my plugins into my child.
iframeHTML.push('\ iframeHTML.push('\
<script type="text/javascript">\ <script type="text/javascript">\
parent_req = require("./pluginfw/parent_require.js");\
parent_req.getRequirementFromParent(require, "ep_etherpad-lite/static/js/pluginfw/hooks");\
parent_req.getRequirementFromParent(require, "ep_etherpad-lite/static/js/pluginfw/plugins");\
parent_req.getRequirementFromParent(require, "./pluginfw/hooks");\
parent_req.getRequirementFromParent(require, "./pluginfw/plugins");\
require.define("/plugins", null);\n\ require.define("/plugins", null);\n\
require.define("/plugins.js", function (require, exports, module) {\ require.define("/plugins.js", function (require, exports, module) {\
module.exports = require("ep_etherpad-lite/static/js/plugins");\ module.exports = require("ep_etherpad-lite/static/js/plugins");\

37
src/static/js/pluginfw/parent_require.js Normal file
View file

@ -0,0 +1,37 @@
/**
* This module allows passing require modules instances to
* embedded iframes in a page.
* For example, if a page has the "plugins" module initialized,
* it is important to use exactly the same "plugins" instance
* inside iframes as well. Otherwise, plugins cannot save any
* state.
*/
/**
* Instructs the require object that when a reqModuleName module
* needs to be loaded, that it iterates through the parents of the
* current window until it finds one who can execute "require"
* statements and asks it to perform require on reqModuleName.
*
* @params requireDefObj Require object which supports define
* statements. This object is accessible after loading require-kernel.
* @params reqModuleName Module name e.g. (ep_etherpad-lite/static/js/plugins)
*/
exports.getRequirementFromParent = function(requireDefObj, reqModuleName) {
requireDefObj.define(reqModuleName, function(require, exports, module) {
var t = parent;
var max = 0; // make sure I don't go up more than 10 times
while (typeof(t) != "undefined") {
max++;
if (max==10)
break;
if (typeof(t.require) != "undefined") {
module.exports = t.require(reqModuleName);
return;
}
t = t.parent;
}
});
}