18 changed files with 525 additions and 54 deletions
Unified View
Diff Options
-
2.bowerrc
-
2.gitignore
-
3bower.json
-
6server.js
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25www/common/chainpad.js
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0www/common/messages.js
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0www/common/otaml.js
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172www/common/toolbar.js
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45www/index.html
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8www/pad/errorbox.js
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4www/pad/html-patcher.js
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11www/pad/index.html
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17www/pad/main.js
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0www/pad/rangy.js
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18www/pad/realtime-wysiwyg.js
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29www/sheet/index.html
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36www/sheet/inner.html
-
201www/sheet/main.js
@ -1,3 +1,3 @@ |
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{ |
{ |
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"directory" : "www/bower" |
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"directory" : "www/bower_components" |
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} |
} |
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@ -1,3 +1,3 @@ |
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www/bower/* |
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www/bower_components/* |
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node_modules |
node_modules |
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/config.js |
/config.js |
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@ -0,0 +1,172 @@ |
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var Toolbar = function ($, container, Messages, myUserName, realtime) { |
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/** Id of the element for getting debug info. */ |
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var DEBUG_LINK_CLS = 'rtwysiwyg-debug-link'; |
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/** Id of the div containing the user list. */ |
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var USER_LIST_CLS = 'rtwysiwyg-user-list'; |
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/** Id of the div containing the lag info. */ |
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var LAG_ELEM_CLS = 'rtwysiwyg-lag'; |
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/** The toolbar class which contains the user list, debug link and lag. */ |
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var TOOLBAR_CLS = 'rtwysiwyg-toolbar'; |
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/** Key in the localStore which indicates realtime activity should be disallowed. */ |
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var LOCALSTORAGE_DISALLOW = 'rtwysiwyg-disallow'; |
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var SPINNER_DISAPPEAR_TIME = 3000; |
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var SPINNER = [ '-', '\\', '|', '/' ]; |
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var uid = function () { |
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return 'rtwysiwyg-uid-' + String(Math.random()).substring(2); |
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}; |
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var createRealtimeToolbar = function (container) { |
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var id = uid(); |
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$(container).prepend( |
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'<div class="' + TOOLBAR_CLS + '" id="' + id + '">' + |
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'<div class="rtwysiwyg-toolbar-leftside"></div>' + |
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'<div class="rtwysiwyg-toolbar-rightside"></div>' + |
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'</div>' |
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); |
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var toolbar = $('#'+id); |
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toolbar.append([ |
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'<style>', |
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'.' + TOOLBAR_CLS + ' {', |
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' color: #666;', |
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' font-weight: bold;', |
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// ' background-color: #f0f0ee;',
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// ' border-bottom: 1px solid #DDD;',
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// ' border-top: 3px solid #CCC;',
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// ' border-right: 2px solid #CCC;',
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// ' border-left: 2px solid #CCC;',
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' height: 26px;', |
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' margin-bottom: -3px;', |
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' display: inline-block;', |
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' width: 100%;', |
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'}', |
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'.' + TOOLBAR_CLS + ' div {', |
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' padding: 0 10px;', |
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' height: 1.5em;', |
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// ' background: #f0f0ee;',
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' line-height: 25px;', |
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' height: 22px;', |
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'}', |
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'.rtwysiwyg-toolbar-leftside {', |
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' float: left;', |
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'}', |
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'.rtwysiwyg-toolbar-rightside {', |
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' float: right;', |
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'}', |
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'.rtwysiwyg-lag {', |
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' float: right;', |
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'}', |
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'.rtwysiwyg-spinner {', |
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' float: left;', |
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'}', |
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'.gwt-TabBar {', |
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' display:none;', |
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'}', |
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'.' + DEBUG_LINK_CLS + ':link { color:transparent; }', |
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'.' + DEBUG_LINK_CLS + ':link:hover { color:blue; }', |
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'.gwt-TabPanelBottom { border-top: 0 none; }', |
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'</style>' |
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].join('\n')); |
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return toolbar; |
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}; |
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var createSpinner = function (container) { |
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var id = uid(); |
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$(container).append('<div class="rtwysiwyg-spinner" id="'+id+'"></div>'); |
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return $('#'+id)[0]; |
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}; |
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var kickSpinner = function (spinnerElement, reversed) { |
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var txt = spinnerElement.textContent || '-'; |
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var inc = (reversed) ? -1 : 1; |
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spinnerElement.textContent = SPINNER[(SPINNER.indexOf(txt) + inc) % SPINNER.length]; |
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spinnerElement.timeout && clearTimeout(spinnerElement.timeout); |
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spinnerElement.timeout = setTimeout(function () { |
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spinnerElement.textContent = ''; |
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}, SPINNER_DISAPPEAR_TIME); |
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}; |
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var createUserList = function (container) { |
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var id = uid(); |
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$(container).prepend('<div class="' + USER_LIST_CLS + '" id="'+id+'"></div>'); |
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return $('#'+id)[0]; |
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}; |
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var updateUserList = function (myUserName, listElement, userList) { |
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var meIdx = userList.indexOf(myUserName); |
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if (meIdx === -1) { |
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listElement.textContent = Messages.synchronizing; |
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return; |
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} |
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if (userList.length === 1) { |
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listElement.textContent = Messages.editingAlone; |
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} else if (userList.length === 2) { |
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listElement.textContent = Messages.editingWithOneOtherPerson; |
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} else { |
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listElement.textContent = Messages.editingWith + ' ' + (userList.length - 1) + ' ' |
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Messages.otherPeople; |
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} |
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}; |
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var createLagElement = function (container) { |
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var id = uid(); |
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$(container).append('<div class="' + LAG_ELEM_CLS + '" id="'+id+'"></div>'); |
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return $('#'+id)[0]; |
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}; |
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var checkLag = function (realtime, lagElement) { |
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var lag = realtime.getLag(); |
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var lagSec = lag.lag/1000; |
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var lagMsg = Messages.lag + ' '; |
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if (lag.waiting && lagSec > 1) { |
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lagMsg += "?? " + Math.floor(lagSec); |
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} else { |
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lagMsg += lagSec; |
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} |
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lagElement.textContent = lagMsg; |
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}; |
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var toolbar = createRealtimeToolbar(container); |
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var userListElement = createUserList(toolbar.find('.rtwysiwyg-toolbar-leftside')); |
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var spinner = createSpinner(toolbar.find('.rtwysiwyg-toolbar-rightside')); |
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var lagElement = createLagElement(toolbar.find('.rtwysiwyg-toolbar-rightside')); |
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var connected = false; |
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realtime.onUserListChange(function (userList) { |
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if (userList.indexOf(myUserName) !== -1) { connected = true; } |
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if (!connected) { return; } |
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updateUserList(myUserName, userListElement, userList); |
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}); |
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var ks = function () { |
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if (connected) { kickSpinner(spinner, false); } |
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}; |
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realtime.onPatch(ks); |
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realtime.onMessage(ks); |
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setInterval(function () { |
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if (!connected) { return; } |
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checkLag(realtime, lagElement); |
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}, 3000); |
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return { |
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reconnecting: function () { |
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connected = false; |
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userListElement.textContent = Messages.reconnecting; |
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lagElement.textContent = ''; |
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}, |
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connected: function () { |
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connected = true; |
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} |
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}; |
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}; |
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@ -0,0 +1,11 @@ |
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<!DOCTYPE html> |
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<html> |
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<head> |
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<meta content="text/html; charset=utf-8" http-equiv="content-type"/> |
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<script data-main="main" src="/bower_components/requirejs/require.js"></script> |
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</head> |
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<body> |
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<textarea style="display:none" cols="80" id="editor1" name="editor1" rows="10"></textarea> |
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</body> |
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</html> |
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@ -0,0 +1,29 @@ |
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<!DOCTYPE html> |
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<html> |
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<head> |
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<meta content="text/html; charset=utf-8" http-equiv="content-type"/> |
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<script data-main="main" src="/bower_components/requirejs/require.js"></script> |
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<style> |
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iframe { |
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position:fixed; |
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top:0px; |
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left:0px; |
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bottom:0px; |
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right:0px; |
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width:100%; |
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height:100%; |
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border:none; |
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margin:0; |
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padding:0; |
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overflow:hidden; |
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} |
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textarea { |
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display:none; |
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} |
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</style> |
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</head> |
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<body> |
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<iframe src="inner.html"></iframe> |
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<textarea id="sheet-json"></textarea> |
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</body> |
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</html> |
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@ -0,0 +1,36 @@ |
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<!DOCTYPE html> |
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<html> |
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<head> |
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<meta http-equiv="X-UA-Compatible" content="IE=Edge"/> |
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<meta http-equiv="Pragma" content="no-cache"> |
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<meta http-equiv="Expires" content="-1"> |
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<meta content="text/html;charset=utf-8" http-equiv="Content-Type"> |
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<meta content="utf-8" http-equiv="encoding"> |
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<title>jQuery.sheet - The Ajax Spreadsheet DTS Lazy Loading</title> |
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<script src="/bower_components/jquery-legacy/dist/jquery.js"></script> |
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<script src="/bower_components/jquery.sheet/parser/formula/formula.js"></script> |
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<script src="/bower_components/jquery.sheet/jquery.sheet.js"></script> |
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<script> |
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var numColumns = 10; |
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var numRows = 20; |
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var spreadsheetJson = [ { "title": "", "rows": [ ] } ]; |
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for (var i = 0; i < numRows; i++) { |
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var columns = []; |
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spreadsheetJson[0].rows.push({ columns: columns }); |
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for (var j = 0; j < numColumns; j++) { columns[j] = { "value": "" }; } |
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} |
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$.sheet.preLoad('/bower_components/jquery.sheet/'); |
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$(function () { |
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window.sheetLdr = new Sheet.JSONLoader( spreadsheetJson ); |
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window.sh = $('#sheet-json').height($(window).height()).width($(window).width()).sheet({ |
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loader: window.sheetLdr, |
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minSize: { rows:numRows, cols:numColumns } |
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}); |
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}); |
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</script> |
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</head> |
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<body> |
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<div id="sheet-json" title="CryptSheet"></div> |
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</body> |
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</html> |
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@ -0,0 +1,201 @@ |
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define([ |
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'/api/config?cb=' + Math.random().toString(16).substring(2), |
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'/common/messages.js', |
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'/common/toolbar.js', |
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'/common/chainpad.js', |
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'/bower_components/jquery/dist/jquery.min.js', |
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'/bower_components/tweetnacl/nacl-fast.min.js', |
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'/common/otaml.js' |
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], function (Config, Messages) { |
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var Nacl = window.nacl; |
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var $ = jQuery; |
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var ChainPad = window.ChainPad; |
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var Otaml = window.Otaml; |
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var Toolbar = window.Toolbar; |
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var module = { exports: {} }; |
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var parseKey = function (str) { |
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var array = Nacl.util.decodeBase64(str); |
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var hash = Nacl.hash(array); |
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return { lookupKey: hash.subarray(32), cryptKey: hash.subarray(0,32) }; |
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}; |
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var genKey = function () { |
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return Nacl.util.encodeBase64(Nacl.randomBytes(18)); |
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}; |
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var userName = function () { |
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return 'Other-' + Nacl.util.encodeBase64(Nacl.randomBytes(8)); |
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}; |
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var sheetToJson = function (ifrWindow) { |
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var xx = ifrWindow.sh[0].jS |
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var m = []; |
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for (var i = 0; i < xx.spreadsheets.length; i++) { |
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m[i]=[]; |
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var sheet = xx.spreadsheets[i]; |
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for (var j = 1; j < sheet.length; j++) { |
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m[i][j]=[]; |
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var row = sheet[j]; |
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for (var k = 1; k < row.length; k++) { |
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var col = row[k]; |
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m[i][j][k] = { value: col.value, formula: col.formula }; |
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} |
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} |
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} |
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return m; |
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}; |
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var jsonToSheet = function (ifrWindow, json) { |
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var xx = ifrWindow.sh[0].jS; |
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for (var i = 0; i < xx.spreadsheets.length; i++) { |
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var sheet = xx.spreadsheets[i]; |
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for (var j = 1; j < sheet.length; j++) { |
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var row = sheet[j]; |
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for (var k = 1; k < row.length; k++) { |
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var col = row[k]; |
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var jcol = json[i][j][k]; |
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if (jcol.value === col.value && jcol.formula === col.formula) { continue; } |
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col.value = jcol.value; |
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col.formula = jcol.formula; |
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col.displayValue(); |
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} |
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} |
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} |
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}; |
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var encryptStr = function (str, key) { |
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var array = Nacl.util.decodeUTF8(str); |
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var nonce = Nacl.randomBytes(24); |
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var packed = Nacl.secretbox(array, nonce, key); |
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if (!packed) { throw new Error(); } |
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return Nacl.util.encodeBase64(nonce) + "|" + Nacl.util.encodeBase64(packed); |
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}; |
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var decryptStr = function (str, key) { |
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var arr = str.split('|'); |
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if (arr.length !== 2) { throw new Error(); } |
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var nonce = Nacl.util.decodeBase64(arr[0]); |
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var packed = Nacl.util.decodeBase64(arr[1]); |
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var unpacked = Nacl.secretbox.open(packed, nonce, key); |
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if (!unpacked) { throw new Error(); } |
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return Nacl.util.encodeUTF8(unpacked); |
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}; |
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// this is crap because of bencoding messages... it should go away....
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var splitMessage = function (msg, sending) { |
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var idx = 0; |
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var nl; |
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for (var i = ((sending) ? 0 : 1); i < 3; i++) { |
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nl = msg.indexOf(':',idx); |
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idx = nl + Number(msg.substring(idx,nl)) + 1; |
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} |
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return [ msg.substring(0,idx), msg.substring(msg.indexOf(':',idx) + 1) ]; |
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}; |
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var encrypt = function (msg, key) { |
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var spl = splitMessage(msg, true); |
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var json = JSON.parse(spl[1]); |
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// non-patches are not encrypted.
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if (json[0] !== 2) { return msg; } |
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json[1] = encryptStr(JSON.stringify(json[1]), key); |
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var res = JSON.stringify(json); |
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return spl[0] + res.length + ':' + res; |
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}; |
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var decrypt = function (msg, key) { |
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var spl = splitMessage(msg, false); |
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var json = JSON.parse(spl[1]); |
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// non-patches are not encrypted.
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if (json[0] !== 2) { return msg; } |
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if (typeof(json[1]) !== 'string') { throw new Error(); } |
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json[1] = JSON.parse(decryptStr(json[1], key)); |
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var res = JSON.stringify(json); |
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return spl[0] + res.length + ':' + res; |
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}; |
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var applyChange = function(ctx, oldval, newval) { |
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if (oldval === newval) return; |
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|
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var commonStart = 0; |
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while (oldval.charAt(commonStart) === newval.charAt(commonStart)) { |
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commonStart++; |
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} |
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var commonEnd = 0; |
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while (oldval.charAt(oldval.length - 1 - commonEnd) === newval.charAt(newval.length - 1 - commonEnd) && |
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commonEnd + commonStart < oldval.length && commonEnd + commonStart < newval.length) { |
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commonEnd++; |
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} |
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if (oldval.length !== commonStart + commonEnd) { |
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ctx.remove(commonStart, oldval.length - commonStart - commonEnd); |
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} |
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if (newval.length !== commonStart + commonEnd) { |
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ctx.insert(commonStart, newval.slice(commonStart, newval.length - commonEnd)); |
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} |
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}; |
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$(function () { |
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|
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if (window.location.href.indexOf('#') === -1) { |
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window.location.href = window.location.href + '#' + genKey(); |
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} |
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$(window).on('hashchange', function() { |
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window.location.reload(); |
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}); |
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|
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var $sheetJson = $('#sheet-json'); |
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var ifrw = $('iframe')[0].contentWindow; |
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var sheetEvent = function (realtime) { |
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var sheetJson = JSON.stringify(sheetToJson(ifrw)); |
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applyChange(realtime, realtime.getUserDoc(), sheetJson); |
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$sheetJson.text(sheetJson); |
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}; |
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|
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var eventPending = false; |
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var realtimeEvent = function (realtime) { |
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if (eventPending) { return; } |
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eventPending = true; |
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setTimeout(function () { |
||||
|
eventPending = false; |
||||
|
try{ |
||||
|
var data = window.data = realtime.getUserDoc(); |
||||
|
$sheetJson.text(data); |
||||
|
var json = JSON.parse(data); |
||||
|
jsonToSheet(ifrw, json); |
||||
|
}catch(e) { console.log(e.stack); } |
||||
|
}, 0); |
||||
|
}; |
||||
|
|
||||
|
var key = parseKey(window.location.hash.substring(1)); |
||||
|
var channel = Nacl.util.encodeBase64(key.lookupKey).substring(0,10); |
||||
|
var myUserName = userName(); |
||||
|
|
||||
|
var socket = new WebSocket(Config.websocketURL); |
||||
|
socket.onopen = function () { |
||||
|
var realtime = ChainPad.create( |
||||
|
myUserName, 'x', channel, '', { transformFunction: Otaml.transform }); |
||||
|
socket.onmessage = function (evt) { |
||||
|
var message = decrypt(evt.data, key.cryptKey); |
||||
|
realtime.message(message); |
||||
|
}; |
||||
|
realtime.onMessage(function (message) { |
||||
|
message = encrypt(message, key.cryptKey); |
||||
|
try { |
||||
|
socket.send(message); |
||||
|
} catch (e) { |
||||
|
console.log(e.stack); |
||||
|
} |
||||
|
}); |
||||
|
ifrw.sh.on('sheetCellEdited', function () { sheetEvent(realtime); }); |
||||
|
sheetEvent(realtime); |
||||
|
realtime.onPatch(function () { realtimeEvent(realtime); }); |
||||
|
|
||||
|
ifrw.$('.jSTitle').html(''); |
||||
|
Toolbar(ifrw.$, ifrw.$('.jSTitle'), Messages, myUserName, realtime); |
||||
|
|
||||
|
realtime.start(); |
||||
|
}; |
||||
|
}); |
||||
|
}); |
||||
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