219 lines
8.0 KiB
JavaScript
Executable File
219 lines
8.0 KiB
JavaScript
Executable File
/* ***** BEGIN LICENSE BLOCK *****
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* Distributed under the BSD license:
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*
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* Copyright (c) 2012, Ajax.org B.V.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Ajax.org B.V. nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ***** END LICENSE BLOCK ***** */
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define(function(require, exports, module) {
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"use strict";
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var snippetManager = require("../snippets").snippetManager;
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var Autocomplete = require("../autocomplete").Autocomplete;
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var config = require("../config");
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var lang = require("../lib/lang");
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var util = require("../autocomplete/util");
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var textCompleter = require("../autocomplete/text_completer");
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var keyWordCompleter = {
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getCompletions: function(editor, session, pos, prefix, callback) {
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if (session.$mode.completer) {
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return session.$mode.completer.getCompletions(editor, session, pos, prefix, callback);
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}
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var state = editor.session.getState(pos.row);
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var completions = session.$mode.getCompletions(state, session, pos, prefix);
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callback(null, completions);
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}
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};
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var snippetCompleter = {
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getCompletions: function(editor, session, pos, prefix, callback) {
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var scopes = [];
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// set scope to html-tag if we're inside an html tag
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var token = session.getTokenAt(pos.row, pos.column);
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if (token && token.type.match(/(tag-name|tag-open|tag-whitespace|attribute-name|attribute-value)\.xml$/))
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scopes.push('html-tag');
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else
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scopes = snippetManager.getActiveScopes(editor);
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var snippetMap = snippetManager.snippetMap;
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var completions = [];
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scopes.forEach(function(scope) {
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var snippets = snippetMap[scope] || [];
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for (var i = snippets.length; i--;) {
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var s = snippets[i];
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var caption = s.name || s.tabTrigger;
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if (!caption)
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continue;
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completions.push({
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caption: caption,
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snippet: s.content,
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meta: s.tabTrigger && !s.name ? s.tabTrigger + "\u21E5 " : "snippet",
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type: "snippet"
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});
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}
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}, this);
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callback(null, completions);
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},
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getDocTooltip: function(item) {
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if (item.type == "snippet" && !item.docHTML) {
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item.docHTML = [
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"<b>", lang.escapeHTML(item.caption), "</b>", "<hr></hr>",
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lang.escapeHTML(item.snippet)
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].join("");
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}
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}
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};
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var completers = [snippetCompleter, textCompleter, keyWordCompleter];
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// Modifies list of default completers
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exports.setCompleters = function(val) {
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completers.length = 0;
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if (val) completers.push.apply(completers, val);
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};
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exports.addCompleter = function(completer) {
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completers.push(completer);
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};
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// Exports existing completer so that user can construct his own set of completers.
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exports.textCompleter = textCompleter;
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exports.keyWordCompleter = keyWordCompleter;
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exports.snippetCompleter = snippetCompleter;
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var expandSnippet = {
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name: "expandSnippet",
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exec: function(editor) {
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return snippetManager.expandWithTab(editor);
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},
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bindKey: "Tab"
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};
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var onChangeMode = function(e, editor) {
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loadSnippetsForMode(editor.session.$mode);
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};
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var loadSnippetsForMode = function(mode) {
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var id = mode.$id;
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if (!snippetManager.files)
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snippetManager.files = {};
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loadSnippetFile(id);
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if (mode.modes)
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mode.modes.forEach(loadSnippetsForMode);
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};
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var loadSnippetFile = function(id) {
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if (!id || snippetManager.files[id])
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return;
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var snippetFilePath = id.replace("mode", "snippets");
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snippetManager.files[id] = {};
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config.loadModule(snippetFilePath, function(m) {
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if (m) {
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snippetManager.files[id] = m;
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if (!m.snippets && m.snippetText)
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m.snippets = snippetManager.parseSnippetFile(m.snippetText);
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snippetManager.register(m.snippets || [], m.scope);
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if (m.includeScopes) {
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snippetManager.snippetMap[m.scope].includeScopes = m.includeScopes;
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m.includeScopes.forEach(function(x) {
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loadSnippetFile("ace/mode/" + x);
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});
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}
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}
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});
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};
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var doLiveAutocomplete = function(e) {
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var editor = e.editor;
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var hasCompleter = editor.completer && editor.completer.activated;
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// We don't want to autocomplete with no prefix
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if (e.command.name === "backspace") {
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if (hasCompleter && !util.getCompletionPrefix(editor))
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editor.completer.detach();
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}
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else if (e.command.name === "insertstring") {
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var prefix = util.getCompletionPrefix(editor);
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// Only autocomplete if there's a prefix that can be matched
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if (prefix && !hasCompleter) {
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if (!editor.completer) {
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// Create new autocompleter
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editor.completer = new Autocomplete();
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}
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// Disable autoInsert
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editor.completer.autoInsert = false;
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editor.completer.showPopup(editor);
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}
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}
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};
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var Editor = require("../editor").Editor;
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require("../config").defineOptions(Editor.prototype, "editor", {
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enableBasicAutocompletion: {
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set: function(val) {
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if (val) {
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if (!this.completers)
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this.completers = Array.isArray(val)? val: completers;
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this.commands.addCommand(Autocomplete.startCommand);
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} else {
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this.commands.removeCommand(Autocomplete.startCommand);
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}
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},
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value: false
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},
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/**
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* Enable live autocomplete. If the value is an array, it is assumed to be an array of completers
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* and will use them instead of the default completers.
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*/
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enableLiveAutocompletion: {
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set: function(val) {
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if (val) {
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if (!this.completers)
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this.completers = Array.isArray(val)? val: completers;
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// On each change automatically trigger the autocomplete
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this.commands.on('afterExec', doLiveAutocomplete);
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} else {
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this.commands.removeListener('afterExec', doLiveAutocomplete);
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}
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},
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value: false
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},
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enableSnippets: {
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set: function(val) {
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if (val) {
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this.commands.addCommand(expandSnippet);
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this.on("changeMode", onChangeMode);
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onChangeMode(null, this);
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} else {
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this.commands.removeCommand(expandSnippet);
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this.off("changeMode", onChangeMode);
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}
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},
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value: false
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}
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});
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});
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