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https://github.com/overleaf/overleaf.git
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415 lines
14 KiB
JavaScript
Executable file
415 lines
14 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) 2010, 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 HashHandler = require("ace/keyboard/hash_handler").HashHandler;
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var Editor = require("ace/editor").Editor;
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var snippetManager = require("ace/snippets").snippetManager;
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var Range = require("ace/range").Range;
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var emmet;
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Editor.prototype.indexToPosition = function(index) {
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return this.session.doc.indexToPosition(index);
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};
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Editor.prototype.positionToIndex = function(pos) {
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return this.session.doc.positionToIndex(pos);
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};
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/**
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* Implementation of {@link IEmmetEditor} interface for Ace
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*/
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function AceEmmetEditor() {}
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AceEmmetEditor.prototype = {
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setupContext: function(editor) {
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this.ace = editor;
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this.indentation = editor.session.getTabString();
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if (!emmet)
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emmet = window.emmet;
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emmet.require("resources").setVariable("indentation", this.indentation);
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this.$syntax = null;
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this.$syntax = this.getSyntax();
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},
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/**
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* Returns character indexes of selected text: object with <code>start</code>
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* and <code>end</code> properties. If there's no selection, should return
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* object with <code>start</code> and <code>end</code> properties referring
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* to current caret position
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* @return {Object}
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* @example
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* var selection = editor.getSelectionRange();
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* alert(selection.start + ', ' + selection.end);
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*/
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getSelectionRange: function() {
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// TODO should start be caret position instead?
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var range = this.ace.getSelectionRange();
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return {
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start: this.ace.positionToIndex(range.start),
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end: this.ace.positionToIndex(range.end)
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};
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},
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/**
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* Creates selection from <code>start</code> to <code>end</code> character
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* indexes. If <code>end</code> is ommited, this method should place caret
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* and <code>start</code> index
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* @param {Number} start
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* @param {Number} [end]
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* @example
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* editor.createSelection(10, 40);
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*
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* //move caret to 15th character
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* editor.createSelection(15);
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*/
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createSelection: function(start, end) {
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this.ace.selection.setRange({
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start: this.ace.indexToPosition(start),
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end: this.ace.indexToPosition(end)
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});
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},
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/**
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* Returns current line's start and end indexes as object with <code>start</code>
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* and <code>end</code> properties
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* @return {Object}
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* @example
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* var range = editor.getCurrentLineRange();
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* alert(range.start + ', ' + range.end);
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*/
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getCurrentLineRange: function() {
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var row = this.ace.getCursorPosition().row;
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var lineLength = this.ace.session.getLine(row).length;
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var index = this.ace.positionToIndex({row: row, column: 0});
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return {
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start: index,
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end: index + lineLength
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};
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},
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/**
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* Returns current caret position
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* @return {Number|null}
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*/
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getCaretPos: function(){
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var pos = this.ace.getCursorPosition();
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return this.ace.positionToIndex(pos);
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},
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/**
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* Set new caret position
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* @param {Number} index Caret position
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*/
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setCaretPos: function(index){
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var pos = this.ace.indexToPosition(index);
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this.ace.clearSelection();
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this.ace.selection.moveCursorToPosition(pos);
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},
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/**
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* Returns content of current line
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* @return {String}
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*/
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getCurrentLine: function() {
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var row = this.ace.getCursorPosition().row;
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return this.ace.session.getLine(row);
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},
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/**
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* Replace editor's content or it's part (from <code>start</code> to
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* <code>end</code> index). If <code>value</code> contains
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* <code>caret_placeholder</code>, the editor will put caret into
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* this position. If you skip <code>start</code> and <code>end</code>
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* arguments, the whole target's content will be replaced with
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* <code>value</code>.
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*
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* If you pass <code>start</code> argument only,
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* the <code>value</code> will be placed at <code>start</code> string
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* index of current content.
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*
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* If you pass <code>start</code> and <code>end</code> arguments,
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* the corresponding substring of current target's content will be
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* replaced with <code>value</code>.
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* @param {String} value Content you want to paste
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* @param {Number} [start] Start index of editor's content
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* @param {Number} [end] End index of editor's content
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* @param {Boolean} [noIndent] Do not auto indent <code>value</code>
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*/
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replaceContent: function(value, start, end, noIndent) {
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if (end == null)
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end = start == null ? this.getContent().length : start;
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if (start == null)
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start = 0;
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var editor = this.ace;
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var range = Range.fromPoints(editor.indexToPosition(start), editor.indexToPosition(end));
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editor.session.remove(range);
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range.end = range.start;
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//editor.selection.setRange(range);
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value = this.$updateTabstops(value);
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snippetManager.insertSnippet(editor, value)
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},
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/**
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* Returns editor's content
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* @return {String}
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*/
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getContent: function(){
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return this.ace.getValue();
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},
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/**
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* Returns current editor's syntax mode
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* @return {String}
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*/
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getSyntax: function() {
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if (this.$syntax)
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return this.$syntax;
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var syntax = this.ace.session.$modeId.split("/").pop();
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if (syntax == "html" || syntax == "php") {
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var cursor = this.ace.getCursorPosition();
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var state = this.ace.session.getState(cursor.row);
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if (typeof state != "string")
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state = state[0];
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if (state) {
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state = state.split("-");
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if (state.length > 1)
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syntax = state[0];
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else if (syntax == "php")
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syntax = "html";
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}
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}
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return syntax;
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},
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/**
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* Returns current output profile name (@see emmet#setupProfile)
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* @return {String}
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*/
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getProfileName: function() {
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switch(this.getSyntax()) {
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case "css": return "css";
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case "xml":
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case "xsl":
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return "xml";
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case "html":
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var profile = emmet.require("resources").getVariable("profile");
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// no forced profile, guess from content html or xhtml?
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if (!profile)
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profile = this.ace.session.getLines(0,2).join("").search(/<!DOCTYPE[^>]+XHTML/i) != -1 ? "xhtml": "html";
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return profile;
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}
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return "xhtml";
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},
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/**
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* Ask user to enter something
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* @param {String} title Dialog title
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* @return {String} Entered data
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* @since 0.65
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*/
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prompt: function(title) {
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return prompt(title);
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},
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/**
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* Returns current selection
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* @return {String}
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* @since 0.65
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*/
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getSelection: function() {
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return this.ace.session.getTextRange();
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},
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/**
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* Returns current editor's file path
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* @return {String}
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* @since 0.65
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*/
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getFilePath: function() {
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return "";
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},
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// update tabstops: make sure all caret placeholders are unique
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// by default, abbreviation parser generates all unlinked (un-mirrored)
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// tabstops as ${0}, so we have upgrade all caret tabstops with unique
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// positions but make sure that all other tabstops are not linked accidentally
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// based on https://github.com/sergeche/emmet-sublime/blob/master/editor.js#L119-L171
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$updateTabstops: function(value) {
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var base = 1000;
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var zeroBase = 0;
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var lastZero = null;
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var range = emmet.require('range');
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var ts = emmet.require('tabStops');
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var settings = emmet.require('resources').getVocabulary("user");
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var tabstopOptions = {
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tabstop: function(data) {
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var group = parseInt(data.group, 10);
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var isZero = group === 0;
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if (isZero)
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group = ++zeroBase;
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else
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group += base;
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var placeholder = data.placeholder;
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if (placeholder) {
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// recursively update nested tabstops
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placeholder = ts.processText(placeholder, tabstopOptions);
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}
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var result = '${' + group + (placeholder ? ':' + placeholder : '') + '}';
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if (isZero) {
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lastZero = range.create(data.start, result);
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}
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return result
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},
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escape: function(ch) {
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if (ch == '$') return '\\$';
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if (ch == '\\') return '\\\\';
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return ch;
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}
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};
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value = ts.processText(value, tabstopOptions);
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if (settings.variables['insert_final_tabstop'] && !/\$\{0\}$/.test(value)) {
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value += '${0}';
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} else if (lastZero) {
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value = emmet.require('utils').replaceSubstring(value, '${0}', lastZero);
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}
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return value;
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}
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};
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var keymap = {
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expand_abbreviation: {"mac": "ctrl+alt+e", "win": "alt+e"},
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match_pair_outward: {"mac": "ctrl+d", "win": "ctrl+,"},
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match_pair_inward: {"mac": "ctrl+j", "win": "ctrl+shift+0"},
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matching_pair: {"mac": "ctrl+alt+j", "win": "alt+j"},
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next_edit_point: "alt+right",
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prev_edit_point: "alt+left",
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toggle_comment: {"mac": "command+/", "win": "ctrl+/"},
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split_join_tag: {"mac": "shift+command+'", "win": "shift+ctrl+`"},
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remove_tag: {"mac": "command+'", "win": "shift+ctrl+;"},
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evaluate_math_expression: {"mac": "shift+command+y", "win": "shift+ctrl+y"},
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increment_number_by_1: "ctrl+up",
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decrement_number_by_1: "ctrl+down",
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increment_number_by_01: "alt+up",
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decrement_number_by_01: "alt+down",
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increment_number_by_10: {"mac": "alt+command+up", "win": "shift+alt+up"},
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decrement_number_by_10: {"mac": "alt+command+down", "win": "shift+alt+down"},
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select_next_item: {"mac": "shift+command+.", "win": "shift+ctrl+."},
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select_previous_item: {"mac": "shift+command+,", "win": "shift+ctrl+,"},
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reflect_css_value: {"mac": "shift+command+r", "win": "shift+ctrl+r"},
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encode_decode_data_url: {"mac": "shift+ctrl+d", "win": "ctrl+'"},
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// update_image_size: {"mac": "shift+ctrl+i", "win": "ctrl+u"},
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// expand_as_you_type: "ctrl+alt+enter",
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// wrap_as_you_type: {"mac": "shift+ctrl+g", "win": "shift+ctrl+g"},
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expand_abbreviation_with_tab: "Tab",
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wrap_with_abbreviation: {"mac": "shift+ctrl+a", "win": "shift+ctrl+a"}
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};
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var editorProxy = new AceEmmetEditor();
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exports.commands = new HashHandler();
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exports.runEmmetCommand = function(editor) {
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editorProxy.setupContext(editor);
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if (editorProxy.getSyntax() == "php")
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return false;
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var actions = emmet.require("actions");
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if (this.action == "expand_abbreviation_with_tab") {
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if (!editor.selection.isEmpty())
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return false;
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}
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if (this.action == "wrap_with_abbreviation") {
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// without setTimeout prompt doesn't work on firefox
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return setTimeout(function() {
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actions.run("wrap_with_abbreviation", editorProxy);
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}, 0);
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}
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try {
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var result = actions.run(this.action, editorProxy);
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} catch(e) {
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editor._signal("changeStatus", typeof e == "string" ? e : e.message);
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console.log(e);
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}
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return result;
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};
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for (var command in keymap) {
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exports.commands.addCommand({
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name: "emmet:" + command,
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action: command,
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bindKey: keymap[command],
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exec: exports.runEmmetCommand,
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multiSelectAction: "forEach"
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});
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}
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var onChangeMode = function(e, target) {
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var editor = target;
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if (!editor)
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return;
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var modeId = editor.session.$modeId;
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var enabled = modeId && /css|less|scss|sass|stylus|html|php/.test(modeId);
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if (e.enableEmmet === false)
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enabled = false;
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if (enabled)
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editor.keyBinding.addKeyboardHandler(exports.commands);
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else
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editor.keyBinding.removeKeyboardHandler(exports.commands);
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};
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exports.AceEmmetEditor = AceEmmetEditor;
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require("ace/config").defineOptions(Editor.prototype, "editor", {
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enableEmmet: {
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set: function(val) {
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this[val ? "on" : "removeListener"]("changeMode", onChangeMode);
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onChangeMode({enableEmmet: !!val}, this);
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},
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value: true
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}
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});
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exports.setCore = function(e) {emmet = e;};
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});
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