From f348ca8f5e118c19002b8ccfc966c168040e6cd5 Mon Sep 17 00:00:00 2001
From: Kevin Jahns <kevin.jahns@rwth-aachen.de>
Date: Sat, 16 Aug 2014 06:20:45 +0200
Subject: [PATCH] fixed README
---
README.md | 4 ++--
build/node/Types/TextTypes.js | 2 +-
build/node/Types/TextTypes.js.map | 2 +-
3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/README.md b/README.md
index 25581d66..d69f4aaf 100644
--- a/README.md
+++ b/README.md
@@ -6,8 +6,8 @@ Yatta! provides similar functionality as [ShareJs](https://github.com/share/Shar
but does not require you to understand how the internals work. The predefined data structures provide a simple API to access your shared data structures.
Predefined data structures:
-* Text - [Collaborative Text Editing Example](./examples/TextEditing/)
-* Json - [example](./examples/Json/)
+* Text - [Collaborative Text Editing Example](http://dadamonad.github.io/Yatta/examples/TextEditing/) and [example code](./examples/TextEditing/)
+* Json - [example code](./examples/Json/)
* XML (coming soon)
Unlike other frameworks, Yatta! supports P2P message propagation and is not bound to a specific communication protocol.
diff --git a/build/node/Types/TextTypes.js b/build/node/Types/TextTypes.js
index 08c0f8da..673d9f53 100644
--- a/build/node/Types/TextTypes.js
+++ b/build/node/Types/TextTypes.js
@@ -1,2 +1,2 @@
-(function(){var e,t={}.hasOwnProperty,n=function(e,n){function r(){this.constructor=e}for(var i in n)t.call(n,i)&&(e[i]=n[i]);return r.prototype=n.prototype,e.prototype=new r,e.__super__=n.prototype,e};e=require("./StructuredTypes"),module.exports=function(t){var r,i,o,l,s,a;return s=e(t),a=s.types,l=s.parser,r=function(e){function t(){return t.__super__.constructor.apply(this,arguments)}return n(t,e),t}(a.Delete),l.TextDelete=l.Delete,i=function(e){function t(e,n,r,i,o){if(this.content=e,null==r||null==i)throw new Error("You must define prev, and next for TextInsert-types!");t.__super__.constructor.call(this,n,r,i,o)}return n(t,e),t.prototype.getLength=function(){return this.isDeleted()?0:this.content.length},t.prototype.val=function(){return this.isDeleted()?"":this.content},t.prototype._encode=function(){var e;return e={type:"TextInsert",content:this.content,uid:this.getUid(),prev:this.prev_cl.getUid(),next:this.next_cl.getUid()},null!=this.origin&&this.origin!==this.prev_cl&&(e.origin=this.origin.getUid()),e},t}(a.Insert),l.TextInsert=function(e){var t,n,r,o,l;return t=e.content,l=e.uid,o=e.prev,n=e.next,r=e.origin,new i(t,l,o,n,r)},o=function(e){function o(e,t,n,r,i,l){o.__super__.constructor.call(this,e,t,n,r,i,l)}return n(o,e),o.prototype.insertText=function(e,n){var r,o,l,s,a,u;for(o=this.getOperationByPosition(e),u=[],s=0,a=n.length;a>s;s++)r=n[s],l=new i(r,void 0,o.prev_cl,o),u.push(t.addOperation(l).execute());return u},o.prototype.deleteText=function(e,n){var i,o,l,s,u,c;for(s=this.getOperationByPosition(e),o=[],c=[],l=u=0;n>=0?n>u:u>n;l=n>=0?++u:--u){for(i=t.addOperation(new r(void 0,s)).execute(),s=s.next_cl;s.isDeleted()&&!(s instanceof a.Delimiter);){if(s instanceof a.Delimiter)throw new Error("You can't delete more than there is..");s=s.next_cl}if(o.push(i._encode()),s instanceof a.Delimiter)break;c.push(void 0)}return c},o.prototype.replaceText=function(e){var n;if(null!=this.replace_manager)return n=t.addOperation(new o(void 0)).execute(),n.insertText(0,e),this.replace_manager.replace(n);throw new Error("This type is currently not maintained by a ReplaceManager!")},o.prototype.val=function(){var e,t;return e=function(){var e,n,r,i;for(r=this.toArray(),i=[],e=0,n=r.length;n>e;e++)t=r[e],i.push(null!=t.val?t.val():"");return i}.call(this),e.join("")},o.prototype.setReplaceManager=function(e){return this.saveOperation("replace_manager",e),this.validateSavedOperations},o.prototype.bind=function(e){var n;return n=this,e.value=this.val(),this.on("insert",function(r,i){var o,l,s,a;return i.creator!==t.getUserId()?(s=i.getPosition(),o=function(e){return s>=e?e:e+=1},l=o(e.selectionStart),a=o(e.selectionEnd),e.value=n.val(),e.setSelectionRange(l,a)):void 0}),this.on("delete",function(t,r){var i,o,l,s;return l=r.getPosition(),i=function(e){return l>e?e:e-=1},o=i(e.selectionStart),s=i(e.selectionEnd),e.value=n.val(),e.setSelectionRange(o,s)}),e.onkeypress=function(t){var r,i,o;return r=String.fromCharCode(t.keyCode),r.length>0?(console.log(r),o=Math.min(e.selectionStart,e.selectionEnd),i=Math.abs(e.selectionEnd-e.selectionStart),n.deleteText(o,i),n.insertText(o,r)):t.preventDefault()},e.onkeydown=function(t){var r,i,o,l,s;if(l=Math.min(e.selectionStart,e.selectionEnd),i=Math.abs(e.selectionEnd-e.selectionStart),null!=t.keyCode&&8===t.keyCode){if(i>0)n.deleteText(l,i);else if(null!=t.ctrlKey&&t.ctrlKey){for(s=e.value,o=l,r=0,l>0&&(o--,r++);o>0&&" "!==s[o]&&"\n"!==s[o];)o--,r++;n.deleteText(o,l-o),e.setSelectionRange(o,o)}else n.deleteText(l-1,1);return t.preventDefault()}return null!=t.keyCode&&46===t.keyCode?(i>0?n.deleteText(l,i):n.deleteText(l,1),t.preventDefault()):void 0}},o.prototype._encode=function(){var e;return e={type:"Word",uid:this.getUid(),beginning:this.beginning.getUid(),end:this.end.getUid()},null!=this.prev_cl&&(e.prev=this.prev_cl.getUid()),null!=this.next_cl&&(e.next=this.next_cl.getUid()),null!=this.origin&&this.origin!==this.prev_cl&&(e.origin=this.origin.getUid()),e},o}(a.ListManager),l.Word=function(e){var t,n,r,i,l,s;return s=e.uid,t=e.beginning,n=e.end,l=e.prev,r=e.next,i=e.origin,new o(s,t,n,l,r,i)},a.TextInsert=i,a.TextDelete=r,a.Word=o,s}}).call(this);
+(function(){var e,t={}.hasOwnProperty,n=function(e,n){function r(){this.constructor=e}for(var i in n)t.call(n,i)&&(e[i]=n[i]);return r.prototype=n.prototype,e.prototype=new r,e.__super__=n.prototype,e};e=require("./StructuredTypes"),module.exports=function(t){var r,i,o,l,s,a;return s=e(t),a=s.types,l=s.parser,r=function(e){function t(){return t.__super__.constructor.apply(this,arguments)}return n(t,e),t}(a.Delete),l.TextDelete=l.Delete,i=function(e){function t(e,n,r,i,o){if(this.content=e,null==r||null==i)throw new Error("You must define prev, and next for TextInsert-types!");t.__super__.constructor.call(this,n,r,i,o)}return n(t,e),t.prototype.getLength=function(){return this.isDeleted()?0:this.content.length},t.prototype.val=function(){return this.isDeleted()?"":this.content},t.prototype._encode=function(){var e;return e={type:"TextInsert",content:this.content,uid:this.getUid(),prev:this.prev_cl.getUid(),next:this.next_cl.getUid()},null!=this.origin&&this.origin!==this.prev_cl&&(e.origin=this.origin.getUid()),e},t}(a.Insert),l.TextInsert=function(e){var t,n,r,o,l;return t=e.content,l=e.uid,o=e.prev,n=e.next,r=e.origin,new i(t,l,o,n,r)},o=function(e){function o(e,t,n,r,i,l){o.__super__.constructor.call(this,e,t,n,r,i,l)}return n(o,e),o.prototype.insertText=function(e,n){var r,o,l,s,a,u;for(o=this.getOperationByPosition(e),u=[],s=0,a=n.length;a>s;s++)r=n[s],l=new i(r,void 0,o.prev_cl,o),u.push(t.addOperation(l).execute());return u},o.prototype.deleteText=function(e,n){var i,o,l,s,u,c;for(s=this.getOperationByPosition(e),o=[],c=[],l=u=0;n>=0?n>u:u>n;l=n>=0?++u:--u){for(i=t.addOperation(new r(void 0,s)).execute(),s=s.next_cl;s.isDeleted()&&!(s instanceof a.Delimiter);){if(s instanceof a.Delimiter)throw new Error("You can't delete more than there is..");s=s.next_cl}if(o.push(i._encode()),s instanceof a.Delimiter)break;c.push(void 0)}return c},o.prototype.replaceText=function(e){var n;if(null!=this.replace_manager)return n=t.addOperation(new o(void 0)).execute(),n.insertText(0,e),this.replace_manager.replace(n);throw new Error("This type is currently not maintained by a ReplaceManager!")},o.prototype.val=function(){var e,t;return e=function(){var e,n,r,i;for(r=this.toArray(),i=[],e=0,n=r.length;n>e;e++)t=r[e],i.push(null!=t.val?t.val():"");return i}.call(this),e.join("")},o.prototype.setReplaceManager=function(e){return this.saveOperation("replace_manager",e),this.validateSavedOperations},o.prototype.bind=function(e){var t;return t=this,e.value=this.val(),this.on("insert",function(n,r){var i,o,l,s;return l=r.getPosition(),i=function(e){return l>=e?e:e+=1},o=i(e.selectionStart),s=i(e.selectionEnd),e.value=t.val(),e.setSelectionRange(o,s)}),this.on("delete",function(n,r){var i,o,l,s;return l=r.getPosition(),i=function(e){return l>e?e:e-=1},o=i(e.selectionStart),s=i(e.selectionEnd),e.value=t.val(),e.setSelectionRange(o,s)}),e.onkeypress=function(n){var r,i,o,l;return r=String.fromCharCode(n.keyCode),r.length>0?(console.log(r),l=Math.min(e.selectionStart,e.selectionEnd),i=Math.abs(e.selectionEnd-e.selectionStart),t.deleteText(l,i),t.insertText(l,r),o=l+r.length,e.setSelectionRange(o,o),n.preventDefault()):n.preventDefault()},e.onkeydown=function(n){var r,i,o,l,s;if(l=Math.min(e.selectionStart,e.selectionEnd),i=Math.abs(e.selectionEnd-e.selectionStart),null!=n.keyCode&&8===n.keyCode){if(i>0)t.deleteText(l,i);else if(null!=n.ctrlKey&&n.ctrlKey){for(s=e.value,o=l,r=0,l>0&&(o--,r++);o>0&&" "!==s[o]&&"\n"!==s[o];)o--,r++;t.deleteText(o,l-o),e.setSelectionRange(o,o)}else t.deleteText(l-1,1);return n.preventDefault()}return null!=n.keyCode&&46===n.keyCode?(i>0?t.deleteText(l,i):t.deleteText(l,1),n.preventDefault()):void 0}},o.prototype._encode=function(){var e;return e={type:"Word",uid:this.getUid(),beginning:this.beginning.getUid(),end:this.end.getUid()},null!=this.prev_cl&&(e.prev=this.prev_cl.getUid()),null!=this.next_cl&&(e.next=this.next_cl.getUid()),null!=this.origin&&this.origin!==this.prev_cl&&(e.origin=this.origin.getUid()),e},o}(a.ListManager),l.Word=function(e){var t,n,r,i,l,s;return s=e.uid,t=e.beginning,n=e.end,l=e.prev,r=e.next,i=e.origin,new o(s,t,n,l,r,i)},a.TextInsert=i,a.TextDelete=r,a.Word=o,s}}).call(this);
//# sourceMappingURL=../Types/TextTypes.js.map
\ No newline at end of file
diff --git a/build/node/Types/TextTypes.js.map b/build/node/Types/TextTypes.js.map
index 2d0b5be5..75f997c2 100755
--- a/build/node/Types/TextTypes.js.map
+++ b/build/node/Types/TextTypes.js.map
@@ -1 +1 @@
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If uid is undefined, a new uid will be created.\n #\n constructor: (@content, uid, prev, next, origin)->\n if not (prev? and next?)\n throw new Error \"You must define prev, and next for TextInsert-types!\"\n super uid, prev, next, origin\n #\n # Retrieve the effective length of the $content of this operation.\n #\n getLength: ()->\n if @isDeleted()\n 0\n else\n @content.length\n\n #\n # The result will be concatenated with the results from the other insert operations\n # in order to retrieve the content of the engine.\n # @see HistoryBuffer.toExecutedArray\n #\n val: (current_position)->\n if @isDeleted()\n \"\"\n else\n @content\n\n #\n # Convert all relevant information of this operation to the json-format.\n # This result can be send to other clients.\n #\n _encode: ()->\n json =\n {\n 'type': \"TextInsert\"\n 'content': @content\n 'uid' : @getUid()\n 'prev': @prev_cl.getUid()\n 'next': @next_cl.getUid()\n }\n if @origin? and @origin isnt @prev_cl\n json[\"origin\"] = @origin.getUid()\n json\n\n parser[\"TextInsert\"] = (json)->\n {\n 'content' : content\n 'uid' : uid\n 'prev': prev\n 'next': next\n 'origin' : origin\n } = json\n new TextInsert content, uid, prev, next, origin\n\n #\n # Handles a Text-like data structures with support for insertText/deleteText at a word-position.\n #\n class Word extends types.ListManager\n\n #\n # @param {Object} uid A unique identifier. If uid is undefined, a new uid will be created.\n #\n constructor: (uid, beginning, end, prev, next, origin)->\n super uid, beginning, end, prev, next, origin\n\n #\n # Inserts a string into the word\n #\n insertText: (position, content)->\n o = @getOperationByPosition position\n for c in content\n op = new TextInsert c, undefined, o.prev_cl, o\n HB.addOperation(op).execute()\n\n #\n # Deletes a part of the word.\n #\n deleteText: (position, length)->\n o = @getOperationByPosition position\n\n delete_ops = []\n for i in [0...length]\n d = HB.addOperation(new TextDelete undefined, o).execute()\n o = o.next_cl\n while o.isDeleted() and not (o instanceof types.Delimiter)\n if o instanceof types.Delimiter\n throw new Error \"You can't delete more than there is..\"\n o = o.next_cl\n delete_ops.push d._encode()\n if o instanceof types.Delimiter\n break\n\n\n #\n # Replace the content of this word with another one. Concurrent replacements are not merged!\n # Only one of the replacements will be used.\n #\n # Can only be used if the ReplaceManager was set!\n # @see Word.setReplaceManager\n #\n replaceText: (text)->\n if @replace_manager?\n word = HB.addOperation(new Word undefined).execute()\n word.insertText 0, text\n @replace_manager.replace(word)\n else\n throw new Error \"This type is currently not maintained by a ReplaceManager!\"\n\n #\n # @returns [Json] A Json object.\n #\n val: ()->\n c = for o in @toArray()\n if o.val?\n o.val()\n else\n \"\"\n c.join('')\n\n #\n # In most cases you would embed a Word in a Replaceable, wich is handled by the ReplaceManager in order\n # to provide replace functionality.\n #\n setReplaceManager: (op)->\n @saveOperation 'replace_manager', op\n @validateSavedOperations\n\n #\n # Bind this Word to a textfield.\n #\n bind: (textfield)->\n word = @\n textfield.value = @val()\n\n @on \"insert\", (event, op)->\n if op.creator isnt HB.getUserId()\n o_pos = op.getPosition()\n fix = (cursor)->\n if cursor <= o_pos\n cursor\n else\n cursor += 1\n cursor\n left = fix textfield.selectionStart\n right = fix textfield.selectionEnd\n\n textfield.value = word.val()\n textfield.setSelectionRange left, right\n\n\n @on \"delete\", (event, op)->\n o_pos = op.getPosition()\n fix = (cursor)->\n if cursor < o_pos\n cursor\n else\n cursor -= 1\n cursor\n left = fix textfield.selectionStart\n right = fix textfield.selectionEnd\n\n textfield.value = word.val()\n textfield.setSelectionRange left, right\n\n # consume all text-insert changes.\n textfield.onkeypress = (event)->\n char = String.fromCharCode event.keyCode\n if char.length > 0\n console.log char\n pos = Math.min textfield.selectionStart, textfield.selectionEnd\n diff = Math.abs(textfield.selectionEnd - textfield.selectionStart)\n word.deleteText pos, diff\n word.insertText pos, char\n else\n event.preventDefault()\n\n #\n # consume deletes. Note that\n # chrome: won't consume deletions on keypress event.\n # keyCode is deprecated. BUT: I don't see another way.\n # since event.key is not implemented in the current version of chrome.\n # Every browser supports keyCode. Let's stick with it for now..\n #\n textfield.onkeydown = (event)->\n pos = Math.min textfield.selectionStart, textfield.selectionEnd\n diff = Math.abs(textfield.selectionEnd - textfield.selectionStart)\n if event.keyCode? and event.keyCode is 8\n if diff > 0\n word.deleteText pos, diff\n else\n if event.ctrlKey? and event.ctrlKey\n val = textfield.value\n new_pos = pos\n del_length = 0\n if pos > 0\n new_pos--\n del_length++\n while new_pos > 0 and val[new_pos] isnt \" \" and val[new_pos] isnt '\\n'\n new_pos--\n del_length++\n word.deleteText new_pos, (pos-new_pos)\n textfield.setSelectionRange new_pos, new_pos\n else\n word.deleteText (pos-1), 1\n event.preventDefault()\n else if event.keyCode? and event.keyCode is 46\n if diff > 0\n word.deleteText pos, diff\n else\n word.deleteText pos, 1\n event.preventDefault()\n\n\n\n #\n # Encode this operation in such a way that it can be parsed by remote peers.\n #\n _encode: ()->\n json = {\n 'type': \"Word\"\n 'uid' : @getUid()\n 'beginning' : @beginning.getUid()\n 'end' : @end.getUid()\n }\n if @prev_cl?\n json['prev'] = @prev_cl.getUid()\n if @next_cl?\n json['next'] = @next_cl.getUid()\n if @origin? and @origin isnt @prev_cl\n json[\"origin\"] = @origin.getUid()\n json\n\n parser['Word'] = (json)->\n {\n 'uid' : uid\n 'beginning' : beginning\n 'end' : end\n 'prev': prev\n 'next': next\n 'origin' : origin\n } = json\n new Word uid, beginning, end, prev, next, origin\n\n types['TextInsert'] = TextInsert\n types['TextDelete'] = TextDelete\n types['Word'] = Word\n structured_types\n\n\n"],"sourceRoot":"/source/"}
\ No newline at end of file
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Usually you restrict the length of content to size 1\n # @param {Object} uid A unique identifier. If uid is undefined, a new uid will be created.\n #\n constructor: (@content, uid, prev, next, origin)->\n if not (prev? and next?)\n throw new Error \"You must define prev, and next for TextInsert-types!\"\n super uid, prev, next, origin\n #\n # Retrieve the effective length of the $content of this operation.\n #\n getLength: ()->\n if @isDeleted()\n 0\n else\n @content.length\n\n #\n # The result will be concatenated with the results from the other insert operations\n # in order to retrieve the content of the engine.\n # @see HistoryBuffer.toExecutedArray\n #\n val: (current_position)->\n if @isDeleted()\n \"\"\n else\n @content\n\n #\n # Convert all relevant information of this operation to the json-format.\n # This result can be send to other clients.\n #\n _encode: ()->\n json =\n {\n 'type': \"TextInsert\"\n 'content': @content\n 'uid' : @getUid()\n 'prev': @prev_cl.getUid()\n 'next': @next_cl.getUid()\n }\n if @origin? and @origin isnt @prev_cl\n json[\"origin\"] = @origin.getUid()\n json\n\n parser[\"TextInsert\"] = (json)->\n {\n 'content' : content\n 'uid' : uid\n 'prev': prev\n 'next': next\n 'origin' : origin\n } = json\n new TextInsert content, uid, prev, next, origin\n\n #\n # Handles a Text-like data structures with support for insertText/deleteText at a word-position.\n #\n class Word extends types.ListManager\n\n #\n # @param {Object} uid A unique identifier. If uid is undefined, a new uid will be created.\n #\n constructor: (uid, beginning, end, prev, next, origin)->\n super uid, beginning, end, prev, next, origin\n\n #\n # Inserts a string into the word\n #\n insertText: (position, content)->\n o = @getOperationByPosition position\n for c in content\n op = new TextInsert c, undefined, o.prev_cl, o\n HB.addOperation(op).execute()\n\n #\n # Deletes a part of the word.\n #\n deleteText: (position, length)->\n o = @getOperationByPosition position\n\n delete_ops = []\n for i in [0...length]\n d = HB.addOperation(new TextDelete undefined, o).execute()\n o = o.next_cl\n while o.isDeleted() and not (o instanceof types.Delimiter)\n if o instanceof types.Delimiter\n throw new Error \"You can't delete more than there is..\"\n o = o.next_cl\n delete_ops.push d._encode()\n if o instanceof types.Delimiter\n break\n\n\n #\n # Replace the content of this word with another one. Concurrent replacements are not merged!\n # Only one of the replacements will be used.\n #\n # Can only be used if the ReplaceManager was set!\n # @see Word.setReplaceManager\n #\n replaceText: (text)->\n if @replace_manager?\n word = HB.addOperation(new Word undefined).execute()\n word.insertText 0, text\n @replace_manager.replace(word)\n else\n throw new Error \"This type is currently not maintained by a ReplaceManager!\"\n\n #\n # @returns [Json] A Json object.\n #\n val: ()->\n c = for o in @toArray()\n if o.val?\n o.val()\n else\n \"\"\n c.join('')\n\n #\n # In most cases you would embed a Word in a Replaceable, wich is handled by the ReplaceManager in order\n # to provide replace functionality.\n #\n setReplaceManager: (op)->\n @saveOperation 'replace_manager', op\n @validateSavedOperations\n\n #\n # Bind this Word to a textfield.\n #\n bind: (textfield)->\n word = @\n textfield.value = @val()\n\n @on \"insert\", (event, op)->\n o_pos = op.getPosition()\n fix = (cursor)->\n if cursor <= o_pos\n cursor\n else\n cursor += 1\n cursor\n left = fix textfield.selectionStart\n right = fix textfield.selectionEnd\n\n textfield.value = word.val()\n textfield.setSelectionRange left, right\n\n\n @on \"delete\", (event, op)->\n o_pos = op.getPosition()\n fix = (cursor)->\n if cursor < o_pos\n cursor\n else\n cursor -= 1\n cursor\n left = fix textfield.selectionStart\n right = fix textfield.selectionEnd\n\n textfield.value = word.val()\n textfield.setSelectionRange left, right\n\n # consume all text-insert changes.\n textfield.onkeypress = (event)->\n char = String.fromCharCode event.keyCode\n if char.length > 0\n console.log char\n pos = Math.min textfield.selectionStart, textfield.selectionEnd\n diff = Math.abs(textfield.selectionEnd - textfield.selectionStart)\n word.deleteText (pos), diff\n word.insertText pos, char\n new_pos = pos + char.length\n textfield.setSelectionRange new_pos, new_pos\n event.preventDefault()\n else\n event.preventDefault()\n\n #\n # consume deletes. Note that\n # chrome: won't consume deletions on keypress event.\n # keyCode is deprecated. BUT: I don't see another way.\n # since event.key is not implemented in the current version of chrome.\n # Every browser supports keyCode. Let's stick with it for now..\n #\n textfield.onkeydown = (event)->\n pos = Math.min textfield.selectionStart, textfield.selectionEnd\n diff = Math.abs(textfield.selectionEnd - textfield.selectionStart)\n if event.keyCode? and event.keyCode is 8\n if diff > 0\n word.deleteText pos, diff\n else\n if event.ctrlKey? and event.ctrlKey\n val = textfield.value\n new_pos = pos\n del_length = 0\n if pos > 0\n new_pos--\n del_length++\n while new_pos > 0 and val[new_pos] isnt \" \" and val[new_pos] isnt '\\n'\n new_pos--\n del_length++\n word.deleteText new_pos, (pos-new_pos)\n textfield.setSelectionRange new_pos, new_pos\n else\n word.deleteText (pos-1), 1\n event.preventDefault()\n else if event.keyCode? and event.keyCode is 46\n if diff > 0\n word.deleteText pos, diff\n else\n word.deleteText pos, 1\n event.preventDefault()\n\n\n\n #\n # Encode this operation in such a way that it can be parsed by remote peers.\n #\n _encode: ()->\n json = {\n 'type': \"Word\"\n 'uid' : @getUid()\n 'beginning' : @beginning.getUid()\n 'end' : @end.getUid()\n }\n if @prev_cl?\n json['prev'] = @prev_cl.getUid()\n if @next_cl?\n json['next'] = @next_cl.getUid()\n if @origin? and @origin isnt @prev_cl\n json[\"origin\"] = @origin.getUid()\n json\n\n parser['Word'] = (json)->\n {\n 'uid' : uid\n 'beginning' : beginning\n 'end' : end\n 'prev': prev\n 'next': next\n 'origin' : origin\n } = json\n new Word uid, beginning, end, prev, next, origin\n\n types['TextInsert'] = TextInsert\n types['TextDelete'] = TextDelete\n types['Word'] = Word\n structured_types\n\n\n"],"sourceRoot":"/source/"}
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