pad.pub0.org/static/js/pad_editor.js

163 lines
4.6 KiB
JavaScript

/**
* This code is mostly from the old Etherpad. Please help us to comment this code.
* This helps other people to understand this code better and helps them to improve it.
* TL;DR COMMENTS ON THIS FILE ARE HIGHLY APPRECIATED
*/
/**
* 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.
*/
var padcookie = require('/pad_cookie').padcookie;
var padutils = require('/pad_utils').padutils;
var padeditor = (function()
{
var Ace2Editor = undefined;
var pad = undefined;
var settings = undefined;
var self = {
ace: null,
// this is accessed directly from other files
viewZoom: 100,
init: function(readyFunc, initialViewOptions, _pad)
{
Ace2Editor = require('/ace').Ace2Editor;
pad = _pad;
settings = pad.settings;
function aceReady()
{
$("#editorloadingbox").hide();
if (readyFunc)
{
readyFunc();
}
}
self.ace = new Ace2Editor();
self.ace.init("editorcontainer", "", aceReady);
self.ace.setProperty("wraps", true);
if (pad.getIsDebugEnabled())
{
self.ace.setProperty("dmesg", pad.dmesg);
}
self.initViewOptions();
self.setViewOptions(initialViewOptions);
// view bar
self.initViewZoom();
$("#viewbarcontents").show();
},
initViewOptions: function()
{
padutils.bindCheckboxChange($("#options-linenoscheck"), function()
{
pad.changeViewOption('showLineNumbers', padutils.getCheckbox($("#options-linenoscheck")));
});
padutils.bindCheckboxChange($("#options-colorscheck"), function()
{
pad.changeViewOption('showAuthorColors', padutils.getCheckbox("#options-colorscheck"));
});
$("#viewfontmenu").change(function()
{
pad.changeViewOption('useMonospaceFont', $("#viewfontmenu").val() == 'monospace');
});
},
setViewOptions: function(newOptions)
{
function getOption(key, defaultValue)
{
var value = String(newOptions[key]);
if (value == "true") return true;
if (value == "false") return false;
return defaultValue;
}
self.ace.setProperty("showsauthorcolors", !settings.noColors);
self.ace.setProperty("rtlIsTrue", settings.rtlIsTrue);
var v;
v = getOption('showLineNumbers', true);
self.ace.setProperty("showslinenumbers", v);
padutils.setCheckbox($("#options-linenoscheck"), v);
v = getOption('showAuthorColors', true);
self.ace.setProperty("showsauthorcolors", v);
padutils.setCheckbox($("#options-colorscheck"), v);
v = getOption('useMonospaceFont', false);
self.ace.setProperty("textface", (v ? "monospace" : "Arial, sans-serif"));
$("#viewfontmenu").val(v ? "monospace" : "normal");
},
initViewZoom: function()
{
var viewZoom = Number(padcookie.getPref('viewZoom'));
if ((!viewZoom) || isNaN(viewZoom))
{
viewZoom = 100;
}
self.setViewZoom(viewZoom);
$("#viewzoommenu").change(function(evt)
{
// strip initial 'z' from val
self.setViewZoom(Number($("#viewzoommenu").val().substring(1)));
});
},
setViewZoom: function(percent)
{
if (!(percent >= 50 && percent <= 1000))
{
// percent is out of sane range or NaN (which fails comparisons)
return;
}
self.viewZoom = percent;
$("#viewzoommenu").val('z' + percent);
var baseSize = 13;
self.ace.setProperty('textsize', Math.round(baseSize * self.viewZoom / 100));
padcookie.setPref('viewZoom', percent);
},
dispose: function()
{
if (self.ace)
{
self.ace.destroy();
self.ace = null;
}
},
disable: function()
{
if (self.ace)
{
self.ace.setProperty("grayedOut", true);
self.ace.setEditable(false);
}
},
restoreRevisionText: function(dataFromServer)
{
pad.addHistoricalAuthors(dataFromServer.historicalAuthorData);
self.ace.importAText(dataFromServer.atext, dataFromServer.apool, true);
}
};
return self;
}());
exports.padeditor = padeditor;