etherpad-lite/static/js/ace.js
2011-07-19 20:03:40 +01:00

302 lines
9.7 KiB
JavaScript

/**
* Copyright 2009 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS-IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// requires: top
// requires: plugins
// requires: undefined
Ace2Editor.registry = {
nextId: 1
};
function Ace2Editor()
{
var thisFunctionsName = "Ace2Editor";
var ace2 = Ace2Editor;
var editor = {};
var info = {
editor: editor,
id: (ace2.registry.nextId++)
};
var loaded = false;
var actionsPendingInit = [];
function pendingInit(func, optDoNow)
{
return function()
{
var that = this;
var args = arguments;
function action()
{
func.apply(that, args);
}
if (optDoNow)
{
optDoNow.apply(that, args);
}
if (loaded)
{
action();
}
else
{
actionsPendingInit.push(action);
}
};
}
function doActionsPendingInit()
{
for (var i = 0; i < actionsPendingInit.length; i++)
{
actionsPendingInit[i]();
}
actionsPendingInit = [];
}
ace2.registry[info.id] = info;
editor.importText = pendingInit(function(newCode, undoable)
{
info.ace_importText(newCode, undoable);
});
editor.importAText = pendingInit(function(newCode, apoolJsonObj, undoable)
{
info.ace_importAText(newCode, apoolJsonObj, undoable);
});
editor.exportText = function()
{
if (!loaded) return "(awaiting init)\n";
return info.ace_exportText();
};
editor.getFrame = function()
{
return info.frame || null;
};
editor.focus = pendingInit(function()
{
info.ace_focus();
});
editor.setEditable = pendingInit(function(newVal)
{
info.ace_setEditable(newVal);
});
editor.getFormattedCode = function()
{
return info.ace_getFormattedCode();
};
editor.setOnKeyPress = pendingInit(function(handler)
{
info.ace_setOnKeyPress(handler);
});
editor.setOnKeyDown = pendingInit(function(handler)
{
info.ace_setOnKeyDown(handler);
});
editor.setNotifyDirty = pendingInit(function(handler)
{
info.ace_setNotifyDirty(handler);
});
editor.setProperty = pendingInit(function(key, value)
{
info.ace_setProperty(key, value);
});
editor.getDebugProperty = function(prop)
{
return info.ace_getDebugProperty(prop);
};
editor.setBaseText = pendingInit(function(txt)
{
info.ace_setBaseText(txt);
});
editor.setBaseAttributedText = pendingInit(function(atxt, apoolJsonObj)
{
info.ace_setBaseAttributedText(atxt, apoolJsonObj);
});
editor.applyChangesToBase = pendingInit(function(changes, optAuthor, apoolJsonObj)
{
info.ace_applyChangesToBase(changes, optAuthor, apoolJsonObj);
});
// prepareUserChangeset:
// Returns null if no new changes or ACE not ready. Otherwise, bundles up all user changes
// to the latest base text into a Changeset, which is returned (as a string if encodeAsString).
// If this method returns a truthy value, then applyPreparedChangesetToBase can be called
// at some later point to consider these changes part of the base, after which prepareUserChangeset
// must be called again before applyPreparedChangesetToBase. Multiple consecutive calls
// to prepareUserChangeset will return an updated changeset that takes into account the
// latest user changes, and modify the changeset to be applied by applyPreparedChangesetToBase
// accordingly.
editor.prepareUserChangeset = function()
{
if (!loaded) return null;
return info.ace_prepareUserChangeset();
};
editor.applyPreparedChangesetToBase = pendingInit(
function()
{
info.ace_applyPreparedChangesetToBase();
});
editor.setUserChangeNotificationCallback = pendingInit(function(callback)
{
info.ace_setUserChangeNotificationCallback(callback);
});
editor.setAuthorInfo = pendingInit(function(author, authorInfo)
{
info.ace_setAuthorInfo(author, authorInfo);
});
editor.setAuthorSelectionRange = pendingInit(function(author, start, end)
{
info.ace_setAuthorSelectionRange(author, start, end);
});
editor.getUnhandledErrors = function()
{
if (!loaded) return [];
// returns array of {error: <browser Error object>, time: +new Date()}
return info.ace_getUnhandledErrors();
};
editor.callWithAce = pendingInit(function(fn, callStack, normalize)
{
return info.ace_callWithAce(fn, callStack, normalize);
});
editor.execCommand = pendingInit(function(cmd, arg1)
{
info.ace_execCommand(cmd, arg1);
});
editor.replaceRange = pendingInit(function(start, end, text)
{
info.ace_replaceRange(start, end, text);
});
// calls to these functions ($$INCLUDE_...) are replaced when this file is processed
// and compressed, putting the compressed code from the named file directly into the
// source here.
var $$INCLUDE_CSS = function(fileName)
{
return '<link rel="stylesheet" type="text/css" href="' + fileName + '"/>';
};
var $$INCLUDE_JS = function(fileName)
{
return '\x3cscript type="text/javascript" src="' + fileName + '">\x3c/script>';
};
var $$INCLUDE_JS_DEV = $$INCLUDE_JS;
var $$INCLUDE_CSS_DEV = $$INCLUDE_CSS;
var $$INCLUDE_CSS_Q = function(fileName)
{
return '\'<link rel="stylesheet" type="text/css" href="' + fileName + '"/>\'';
};
var $$INCLUDE_JS_Q = function(fileName)
{
return '\'\\x3cscript type="text/javascript" src="' + fileName + '">\\x3c/script>\'';
};
var $$INCLUDE_JS_Q_DEV = $$INCLUDE_JS_Q;
var $$INCLUDE_CSS_Q_DEV = $$INCLUDE_CSS_Q;
editor.destroy = pendingInit(function()
{
info.ace_dispose();
info.frame.parentNode.removeChild(info.frame);
delete ace2.registry[info.id];
info = null; // prevent IE 6 closure memory leaks
});
editor.init = function(containerId, initialCode, doneFunc)
{
editor.importText(initialCode);
info.onEditorReady = function()
{
loaded = true;
doActionsPendingInit();
doneFunc();
};
(function()
{
var doctype = "<!doctype html>";
var iframeHTML = ["'" + doctype + "<html><head>'"];
plugins.callHook("aceInitInnerdocbodyHead", {
iframeHTML: iframeHTML
});
// these lines must conform to a specific format because they are passed by the build script:
iframeHTML.push($$INCLUDE_CSS_Q("static/css/iframe_editor.css"));
iframeHTML.push($$INCLUDE_JS_Q("static/js/ace2_common.js"));
iframeHTML.push($$INCLUDE_JS_Q("static/js/skiplist.js"));
iframeHTML.push($$INCLUDE_JS_Q("static/js/virtual_lines.js"));
iframeHTML.push($$INCLUDE_JS_Q("static/js/easysync2.js"));
iframeHTML.push($$INCLUDE_JS_Q("static/js/cssmanager.js"));
iframeHTML.push($$INCLUDE_JS_Q("static/js/colorutils.js"));
iframeHTML.push($$INCLUDE_JS_Q("static/js/undomodule.js"));
iframeHTML.push($$INCLUDE_JS_Q("static/js/contentcollector.js"));
iframeHTML.push($$INCLUDE_JS_Q("static/js/changesettracker.js"));
iframeHTML.push($$INCLUDE_JS_Q("static/js/linestylefilter.js"));
iframeHTML.push($$INCLUDE_JS_Q("static/js/domline.js"));
iframeHTML.push($$INCLUDE_JS_Q("static/js/ace2_inner.js"));
iframeHTML.push('\'\\n<style type="text/css" title="dynamicsyntax"></style>\\n\'');
iframeHTML.push('\'</head><body id="innerdocbody" class="syntax" spellcheck="false">&nbsp;</body></html>\'');
var outerScript = 'editorId = "' + info.id + '"; editorInfo = parent.' + thisFunctionsName + '.registry[editorId]; ' + 'window.onload = function() ' + '{ window.onload = null; setTimeout' + '(function() ' + '{ var iframe = document.createElement("IFRAME"); ' + 'iframe.scrolling = "no"; var outerdocbody = document.getElementById("outerdocbody"); ' + 'iframe.frameBorder = 0; iframe.allowTransparency = true; ' + // for IE
'outerdocbody.insertBefore(iframe, outerdocbody.firstChild); ' + 'iframe.ace_outerWin = window; ' + 'readyFunc = function() { editorInfo.onEditorReady(); readyFunc = null; editorInfo = null; }; ' + 'var doc = iframe.contentWindow.document; doc.open(); var text = (' + iframeHTML.join('+') + ').replace(/\\\\x3c/g, \'<\');doc.write(text); doc.close(); ' + '}, 0); }';
var outerHTML = [doctype, '<html><head>', $$INCLUDE_CSS("static/css/iframe_editor.css"),
// bizarrely, in FF2, a file with no "external" dependencies won't finish loading properly
// (throbs busy while typing)
'<link rel="stylesheet" type="text/css" href="data:text/css,"/>', '\x3cscript>\n', outerScript, '\n\x3c/script>', '</head><body id="outerdocbody"><div id="sidediv"><!-- --></div><div id="linemetricsdiv">x</div><div id="overlaysdiv"><!-- --></div></body></html>'];
if (!Array.prototype.map) Array.prototype.map = function(fun)
{ //needed for IE
if (typeof fun != "function") throw new TypeError();
var len = this.length;
var res = new Array(len);
var thisp = arguments[1];
for (var i = 0; i < len; i++)
{
if (i in this) res[i] = fun.call(thisp, this[i], i, this);
}
return res;
};
var outerFrame = document.createElement("IFRAME");
outerFrame.frameBorder = 0; // for IE
info.frame = outerFrame;
document.getElementById(containerId).appendChild(outerFrame);
var editorDocument = outerFrame.contentWindow.document;
editorDocument.open();
editorDocument.write(outerHTML.join(''));
editorDocument.close();
})();
};
return editor;
}