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- /* ***** BEGIN LICENSE BLOCK *****
- * Distributed under the BSD license:
- *
- * Copyright (c) 2010, Ajax.org B.V.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * * Neither the name of Ajax.org B.V. nor the
- * names of its contributors may be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * ***** END LICENSE BLOCK ***** */
- define(function(require, exports, module) {
- "use strict";
- var oop = require("./lib/oop");
- var EventEmitter = require("./lib/event_emitter").EventEmitter;
- var lang = require("./lib/lang");
- var Range = require("./range").Range;
- var Anchor = require("./anchor").Anchor;
- var HashHandler = require("./keyboard/hash_handler").HashHandler;
- var Tokenizer = require("./tokenizer").Tokenizer;
- var comparePoints = Range.comparePoints;
- var SnippetManager = function() {
- this.snippetMap = {};
- this.snippetNameMap = {};
- };
- (function() {
- oop.implement(this, EventEmitter);
-
- this.getTokenizer = function() {
- function TabstopToken(str, _, stack) {
- str = str.substr(1);
- if (/^\d+$/.test(str) && !stack.inFormatString)
- return [{tabstopId: parseInt(str, 10)}];
- return [{text: str}];
- }
- function escape(ch) {
- return "(?:[^\\\\" + ch + "]|\\\\.)";
- }
- SnippetManager.$tokenizer = new Tokenizer({
- start: [
- {regex: /:/, onMatch: function(val, state, stack) {
- if (stack.length && stack[0].expectIf) {
- stack[0].expectIf = false;
- stack[0].elseBranch = stack[0];
- return [stack[0]];
- }
- return ":";
- }},
- {regex: /\\./, onMatch: function(val, state, stack) {
- var ch = val[1];
- if (ch == "}" && stack.length) {
- val = ch;
- }else if ("`$\\".indexOf(ch) != -1) {
- val = ch;
- } else if (stack.inFormatString) {
- if (ch == "n")
- val = "\n";
- else if (ch == "t")
- val = "\n";
- else if ("ulULE".indexOf(ch) != -1) {
- val = {changeCase: ch, local: ch > "a"};
- }
- }
- return [val];
- }},
- {regex: /}/, onMatch: function(val, state, stack) {
- return [stack.length ? stack.shift() : val];
- }},
- {regex: /\$(?:\d+|\w+)/, onMatch: TabstopToken},
- {regex: /\$\{[\dA-Z_a-z]+/, onMatch: function(str, state, stack) {
- var t = TabstopToken(str.substr(1), state, stack);
- stack.unshift(t[0]);
- return t;
- }, next: "snippetVar"},
- {regex: /\n/, token: "newline", merge: false}
- ],
- snippetVar: [
- {regex: "\\|" + escape("\\|") + "*\\|", onMatch: function(val, state, stack) {
- stack[0].choices = val.slice(1, -1).split(",");
- }, next: "start"},
- {regex: "/(" + escape("/") + "+)/(?:(" + escape("/") + "*)/)(\\w*):?",
- onMatch: function(val, state, stack) {
- var ts = stack[0];
- ts.fmtString = val;
- val = this.splitRegex.exec(val);
- ts.guard = val[1];
- ts.fmt = val[2];
- ts.flag = val[3];
- return "";
- }, next: "start"},
- {regex: "`" + escape("`") + "*`", onMatch: function(val, state, stack) {
- stack[0].code = val.splice(1, -1);
- return "";
- }, next: "start"},
- {regex: "\\?", onMatch: function(val, state, stack) {
- if (stack[0])
- stack[0].expectIf = true;
- }, next: "start"},
- {regex: "([^:}\\\\]|\\\\.)*:?", token: "", next: "start"}
- ],
- formatString: [
- {regex: "/(" + escape("/") + "+)/", token: "regex"},
- {regex: "", onMatch: function(val, state, stack) {
- stack.inFormatString = true;
- }, next: "start"}
- ]
- });
- SnippetManager.prototype.getTokenizer = function() {
- return SnippetManager.$tokenizer;
- };
- return SnippetManager.$tokenizer;
- };
- this.tokenizeTmSnippet = function(str, startState) {
- return this.getTokenizer().getLineTokens(str, startState).tokens.map(function(x) {
- return x.value || x;
- });
- };
- this.$getDefaultValue = function(editor, name) {
- if (/^[A-Z]\d+$/.test(name)) {
- var i = name.substr(1);
- return (this.variables[name[0] + "__"] || {})[i];
- }
- if (/^\d+$/.test(name)) {
- return (this.variables.__ || {})[name];
- }
- name = name.replace(/^TM_/, "");
- if (!editor)
- return;
- var s = editor.session;
- switch(name) {
- case "CURRENT_WORD":
- var r = s.getWordRange();
- /* falls through */
- case "SELECTION":
- case "SELECTED_TEXT":
- return s.getTextRange(r);
- case "CURRENT_LINE":
- return s.getLine(editor.getCursorPosition().row);
- case "PREV_LINE": // not possible in textmate
- return s.getLine(editor.getCursorPosition().row - 1);
- case "LINE_INDEX":
- return editor.getCursorPosition().column;
- case "LINE_NUMBER":
- return editor.getCursorPosition().row + 1;
- case "SOFT_TABS":
- return s.getUseSoftTabs() ? "YES" : "NO";
- case "TAB_SIZE":
- return s.getTabSize();
- // default but can't fill :(
- case "FILENAME":
- case "FILEPATH":
- return "";
- case "FULLNAME":
- return "Ace";
- }
- };
- this.variables = {};
- this.getVariableValue = function(editor, varName) {
- if (this.variables.hasOwnProperty(varName))
- return this.variables[varName](editor, varName) || "";
- return this.$getDefaultValue(editor, varName) || "";
- };
- // returns string formatted according to http://manual.macromates.com/en/regular_expressions#replacement_string_syntax_format_strings
- this.tmStrFormat = function(str, ch, editor) {
- var flag = ch.flag || "";
- var re = ch.guard;
- re = new RegExp(re, flag.replace(/[^gi]/, ""));
- var fmtTokens = this.tokenizeTmSnippet(ch.fmt, "formatString");
- var _self = this;
- var formatted = str.replace(re, function() {
- _self.variables.__ = arguments;
- var fmtParts = _self.resolveVariables(fmtTokens, editor);
- var gChangeCase = "E";
- for (var i = 0; i < fmtParts.length; i++) {
- var ch = fmtParts[i];
- if (typeof ch == "object") {
- fmtParts[i] = "";
- if (ch.changeCase && ch.local) {
- var next = fmtParts[i + 1];
- if (next && typeof next == "string") {
- if (ch.changeCase == "u")
- fmtParts[i] = next[0].toUpperCase();
- else
- fmtParts[i] = next[0].toLowerCase();
- fmtParts[i + 1] = next.substr(1);
- }
- } else if (ch.changeCase) {
- gChangeCase = ch.changeCase;
- }
- } else if (gChangeCase == "U") {
- fmtParts[i] = ch.toUpperCase();
- } else if (gChangeCase == "L") {
- fmtParts[i] = ch.toLowerCase();
- }
- }
- return fmtParts.join("");
- });
- this.variables.__ = null;
- return formatted;
- };
- this.resolveVariables = function(snippet, editor) {
- var result = [];
- for (var i = 0; i < snippet.length; i++) {
- var ch = snippet[i];
- if (typeof ch == "string") {
- result.push(ch);
- } else if (typeof ch != "object") {
- continue;
- } else if (ch.skip) {
- gotoNext(ch);
- } else if (ch.processed < i) {
- continue;
- } else if (ch.text) {
- var value = this.getVariableValue(editor, ch.text);
- if (value && ch.fmtString)
- value = this.tmStrFormat(value, ch);
- ch.processed = i;
- if (ch.expectIf == null) {
- if (value) {
- result.push(value);
- gotoNext(ch);
- }
- } else {
- if (value) {
- ch.skip = ch.elseBranch;
- } else
- gotoNext(ch);
- }
- } else if (ch.tabstopId != null) {
- result.push(ch);
- } else if (ch.changeCase != null) {
- result.push(ch);
- }
- }
- function gotoNext(ch) {
- var i1 = snippet.indexOf(ch, i + 1);
- if (i1 != -1)
- i = i1;
- }
- return result;
- };
- this.insertSnippetForSelection = function(editor, snippetText) {
- var cursor = editor.getCursorPosition();
- var line = editor.session.getLine(cursor.row);
- var tabString = editor.session.getTabString();
- var indentString = line.match(/^\s*/)[0];
-
- if (cursor.column < indentString.length)
- indentString = indentString.slice(0, cursor.column);
- var tokens = this.tokenizeTmSnippet(snippetText);
- tokens = this.resolveVariables(tokens, editor);
- // indent
- tokens = tokens.map(function(x) {
- if (x == "\n")
- return x + indentString;
- if (typeof x == "string")
- return x.replace(/\t/g, tabString);
- return x;
- });
- // tabstop values
- var tabstops = [];
- tokens.forEach(function(p, i) {
- if (typeof p != "object")
- return;
- var id = p.tabstopId;
- var ts = tabstops[id];
- if (!ts) {
- ts = tabstops[id] = [];
- ts.index = id;
- ts.value = "";
- }
- if (ts.indexOf(p) !== -1)
- return;
- ts.push(p);
- var i1 = tokens.indexOf(p, i + 1);
- if (i1 === -1)
- return;
- var value = tokens.slice(i + 1, i1);
- var isNested = value.some(function(t) {return typeof t === "object"});
- if (isNested && !ts.value) {
- ts.value = value;
- } else if (value.length && (!ts.value || typeof ts.value !== "string")) {
- ts.value = value.join("");
- }
- });
- // expand tabstop values
- tabstops.forEach(function(ts) {ts.length = 0});
- var expanding = {};
- function copyValue(val) {
- var copy = [];
- for (var i = 0; i < val.length; i++) {
- var p = val[i];
- if (typeof p == "object") {
- if (expanding[p.tabstopId])
- continue;
- var j = val.lastIndexOf(p, i - 1);
- p = copy[j] || {tabstopId: p.tabstopId};
- }
- copy[i] = p;
- }
- return copy;
- }
- for (var i = 0; i < tokens.length; i++) {
- var p = tokens[i];
- if (typeof p != "object")
- continue;
- var id = p.tabstopId;
- var i1 = tokens.indexOf(p, i + 1);
- if (expanding[id]) {
- // if reached closing bracket clear expanding state
- if (expanding[id] === p)
- expanding[id] = null;
- // otherwise just ignore recursive tabstop
- continue;
- }
-
- var ts = tabstops[id];
- var arg = typeof ts.value == "string" ? [ts.value] : copyValue(ts.value);
- arg.unshift(i + 1, Math.max(0, i1 - i));
- arg.push(p);
- expanding[id] = p;
- tokens.splice.apply(tokens, arg);
- if (ts.indexOf(p) === -1)
- ts.push(p);
- }
-
- // convert to plain text
- var row = 0, column = 0;
- var text = "";
- tokens.forEach(function(t) {
- if (typeof t === "string") {
- if (t[0] === "\n"){
- column = t.length - 1;
- row ++;
- } else
- column += t.length;
- text += t;
- } else {
- if (!t.start)
- t.start = {row: row, column: column};
- else
- t.end = {row: row, column: column};
- }
- });
- var range = editor.getSelectionRange();
- var end = editor.session.replace(range, text);
- var tabstopManager = new TabstopManager(editor);
- var selectionId = editor.inVirtualSelectionMode && editor.selection.index;
- tabstopManager.addTabstops(tabstops, range.start, end, selectionId);
- };
-
- this.insertSnippet = function(editor, snippetText) {
- var self = this;
- if (editor.inVirtualSelectionMode)
- return self.insertSnippetForSelection(editor, snippetText);
-
- editor.forEachSelection(function() {
- self.insertSnippetForSelection(editor, snippetText);
- }, null, {keepOrder: true});
-
- if (editor.tabstopManager)
- editor.tabstopManager.tabNext();
- };
- this.$getScope = function(editor) {
- var scope = editor.session.$mode.$id || "";
- scope = scope.split("/").pop();
- if (scope === "html" || scope === "php") {
- // PHP is actually HTML
- if (scope === "php" && !editor.session.$mode.inlinePhp)
- scope = "html";
- var c = editor.getCursorPosition();
- var state = editor.session.getState(c.row);
- if (typeof state === "object") {
- state = state[0];
- }
- if (state.substring) {
- if (state.substring(0, 3) == "js-")
- scope = "javascript";
- else if (state.substring(0, 4) == "css-")
- scope = "css";
- else if (state.substring(0, 4) == "php-")
- scope = "php";
- }
- }
-
- return scope;
- };
- this.getActiveScopes = function(editor) {
- var scope = this.$getScope(editor);
- var scopes = [scope];
- var snippetMap = this.snippetMap;
- if (snippetMap[scope] && snippetMap[scope].includeScopes) {
- scopes.push.apply(scopes, snippetMap[scope].includeScopes);
- }
- scopes.push("_");
- return scopes;
- };
- this.expandWithTab = function(editor, options) {
- var self = this;
- var result = editor.forEachSelection(function() {
- return self.expandSnippetForSelection(editor, options);
- }, null, {keepOrder: true});
- if (result && editor.tabstopManager)
- editor.tabstopManager.tabNext();
- return result;
- };
-
- this.expandSnippetForSelection = function(editor, options) {
- var cursor = editor.getCursorPosition();
- var line = editor.session.getLine(cursor.row);
- var before = line.substring(0, cursor.column);
- var after = line.substr(cursor.column);
- var snippetMap = this.snippetMap;
- var snippet;
- this.getActiveScopes(editor).some(function(scope) {
- var snippets = snippetMap[scope];
- if (snippets)
- snippet = this.findMatchingSnippet(snippets, before, after);
- return !!snippet;
- }, this);
- if (!snippet)
- return false;
- if (options && options.dryRun)
- return true;
- editor.session.doc.removeInLine(cursor.row,
- cursor.column - snippet.replaceBefore.length,
- cursor.column + snippet.replaceAfter.length
- );
- this.variables.M__ = snippet.matchBefore;
- this.variables.T__ = snippet.matchAfter;
- this.insertSnippetForSelection(editor, snippet.content);
- this.variables.M__ = this.variables.T__ = null;
- return true;
- };
- this.findMatchingSnippet = function(snippetList, before, after) {
- for (var i = snippetList.length; i--;) {
- var s = snippetList[i];
- if (s.startRe && !s.startRe.test(before))
- continue;
- if (s.endRe && !s.endRe.test(after))
- continue;
- if (!s.startRe && !s.endRe)
- continue;
- s.matchBefore = s.startRe ? s.startRe.exec(before) : [""];
- s.matchAfter = s.endRe ? s.endRe.exec(after) : [""];
- s.replaceBefore = s.triggerRe ? s.triggerRe.exec(before)[0] : "";
- s.replaceAfter = s.endTriggerRe ? s.endTriggerRe.exec(after)[0] : "";
- return s;
- }
- };
- this.snippetMap = {};
- this.snippetNameMap = {};
- this.register = function(snippets, scope) {
- var snippetMap = this.snippetMap;
- var snippetNameMap = this.snippetNameMap;
- var self = this;
-
- if (!snippets)
- snippets = [];
-
- function wrapRegexp(src) {
- if (src && !/^\^?\(.*\)\$?$|^\\b$/.test(src))
- src = "(?:" + src + ")";
- return src || "";
- }
- function guardedRegexp(re, guard, opening) {
- re = wrapRegexp(re);
- guard = wrapRegexp(guard);
- if (opening) {
- re = guard + re;
- if (re && re[re.length - 1] != "$")
- re = re + "$";
- } else {
- re = re + guard;
- if (re && re[0] != "^")
- re = "^" + re;
- }
- return new RegExp(re);
- }
- function addSnippet(s) {
- if (!s.scope)
- s.scope = scope || "_";
- scope = s.scope;
- if (!snippetMap[scope]) {
- snippetMap[scope] = [];
- snippetNameMap[scope] = {};
- }
- var map = snippetNameMap[scope];
- if (s.name) {
- var old = map[s.name];
- if (old)
- self.unregister(old);
- map[s.name] = s;
- }
- snippetMap[scope].push(s);
- if (s.tabTrigger && !s.trigger) {
- if (!s.guard && /^\w/.test(s.tabTrigger))
- s.guard = "\\b";
- s.trigger = lang.escapeRegExp(s.tabTrigger);
- }
-
- if (!s.trigger && !s.guard && !s.endTrigger && !s.endGuard)
- return;
-
- s.startRe = guardedRegexp(s.trigger, s.guard, true);
- s.triggerRe = new RegExp(s.trigger, "", true);
- s.endRe = guardedRegexp(s.endTrigger, s.endGuard, true);
- s.endTriggerRe = new RegExp(s.endTrigger, "", true);
- }
- if (snippets && snippets.content)
- addSnippet(snippets);
- else if (Array.isArray(snippets))
- snippets.forEach(addSnippet);
-
- this._signal("registerSnippets", {scope: scope});
- };
- this.unregister = function(snippets, scope) {
- var snippetMap = this.snippetMap;
- var snippetNameMap = this.snippetNameMap;
- function removeSnippet(s) {
- var nameMap = snippetNameMap[s.scope||scope];
- if (nameMap && nameMap[s.name]) {
- delete nameMap[s.name];
- var map = snippetMap[s.scope||scope];
- var i = map && map.indexOf(s);
- if (i >= 0)
- map.splice(i, 1);
- }
- }
- if (snippets.content)
- removeSnippet(snippets);
- else if (Array.isArray(snippets))
- snippets.forEach(removeSnippet);
- };
- this.parseSnippetFile = function(str) {
- str = str.replace(/\r/g, "");
- var list = [], snippet = {};
- var re = /^#.*|^({[\s\S]*})\s*$|^(\S+) (.*)$|^((?:\n*\t.*)+)/gm;
- var m;
- while (m = re.exec(str)) {
- if (m[1]) {
- try {
- snippet = JSON.parse(m[1]);
- list.push(snippet);
- } catch (e) {}
- } if (m[4]) {
- snippet.content = m[4].replace(/^\t/gm, "");
- list.push(snippet);
- snippet = {};
- } else {
- var key = m[2], val = m[3];
- if (key == "regex") {
- var guardRe = /\/((?:[^\/\\]|\\.)*)|$/g;
- snippet.guard = guardRe.exec(val)[1];
- snippet.trigger = guardRe.exec(val)[1];
- snippet.endTrigger = guardRe.exec(val)[1];
- snippet.endGuard = guardRe.exec(val)[1];
- } else if (key == "snippet") {
- snippet.tabTrigger = val.match(/^\S*/)[0];
- if (!snippet.name)
- snippet.name = val;
- } else {
- snippet[key] = val;
- }
- }
- }
- return list;
- };
- this.getSnippetByName = function(name, editor) {
- var snippetMap = this.snippetNameMap;
- var snippet;
- this.getActiveScopes(editor).some(function(scope) {
- var snippets = snippetMap[scope];
- if (snippets)
- snippet = snippets[name];
- return !!snippet;
- }, this);
- return snippet;
- };
- }).call(SnippetManager.prototype);
- var TabstopManager = function(editor) {
- if (editor.tabstopManager)
- return editor.tabstopManager;
- editor.tabstopManager = this;
- this.$onChange = this.onChange.bind(this);
- this.$onChangeSelection = lang.delayedCall(this.onChangeSelection.bind(this)).schedule;
- this.$onChangeSession = this.onChangeSession.bind(this);
- this.$onAfterExec = this.onAfterExec.bind(this);
- this.attach(editor);
- };
- (function() {
- this.attach = function(editor) {
- this.index = 0;
- this.ranges = [];
- this.tabstops = [];
- this.$openTabstops = null;
- this.selectedTabstop = null;
- this.editor = editor;
- this.editor.on("change", this.$onChange);
- this.editor.on("changeSelection", this.$onChangeSelection);
- this.editor.on("changeSession", this.$onChangeSession);
- this.editor.commands.on("afterExec", this.$onAfterExec);
- this.editor.keyBinding.addKeyboardHandler(this.keyboardHandler);
- };
- this.detach = function() {
- this.tabstops.forEach(this.removeTabstopMarkers, this);
- this.ranges = null;
- this.tabstops = null;
- this.selectedTabstop = null;
- this.editor.removeListener("change", this.$onChange);
- this.editor.removeListener("changeSelection", this.$onChangeSelection);
- this.editor.removeListener("changeSession", this.$onChangeSession);
- this.editor.commands.removeListener("afterExec", this.$onAfterExec);
- this.editor.keyBinding.removeKeyboardHandler(this.keyboardHandler);
- this.editor.tabstopManager = null;
- this.editor = null;
- };
- this.onChange = function(delta) {
- var changeRange = delta;
- var isRemove = delta.action[0] == "r";
- var start = delta.start;
- var end = delta.end;
- var startRow = start.row;
- var endRow = end.row;
- var lineDif = endRow - startRow;
- var colDiff = end.column - start.column;
- if (isRemove) {
- lineDif = -lineDif;
- colDiff = -colDiff;
- }
- if (!this.$inChange && isRemove) {
- var ts = this.selectedTabstop;
- var changedOutside = ts && !ts.some(function(r) {
- return comparePoints(r.start, start) <= 0 && comparePoints(r.end, end) >= 0;
- });
- if (changedOutside)
- return this.detach();
- }
- var ranges = this.ranges;
- for (var i = 0; i < ranges.length; i++) {
- var r = ranges[i];
- if (r.end.row < start.row)
- continue;
- if (isRemove && comparePoints(start, r.start) < 0 && comparePoints(end, r.end) > 0) {
- this.removeRange(r);
- i--;
- continue;
- }
- if (r.start.row == startRow && r.start.column > start.column)
- r.start.column += colDiff;
- if (r.end.row == startRow && r.end.column >= start.column)
- r.end.column += colDiff;
- if (r.start.row >= startRow)
- r.start.row += lineDif;
- if (r.end.row >= startRow)
- r.end.row += lineDif;
- if (comparePoints(r.start, r.end) > 0)
- this.removeRange(r);
- }
- if (!ranges.length)
- this.detach();
- };
- this.updateLinkedFields = function() {
- var ts = this.selectedTabstop;
- if (!ts || !ts.hasLinkedRanges)
- return;
- this.$inChange = true;
- var session = this.editor.session;
- var text = session.getTextRange(ts.firstNonLinked);
- for (var i = ts.length; i--;) {
- var range = ts[i];
- if (!range.linked)
- continue;
- var fmt = exports.snippetManager.tmStrFormat(text, range.original);
- session.replace(range, fmt);
- }
- this.$inChange = false;
- };
- this.onAfterExec = function(e) {
- if (e.command && !e.command.readOnly)
- this.updateLinkedFields();
- };
- this.onChangeSelection = function() {
- if (!this.editor)
- return;
- var lead = this.editor.selection.lead;
- var anchor = this.editor.selection.anchor;
- var isEmpty = this.editor.selection.isEmpty();
- for (var i = this.ranges.length; i--;) {
- if (this.ranges[i].linked)
- continue;
- var containsLead = this.ranges[i].contains(lead.row, lead.column);
- var containsAnchor = isEmpty || this.ranges[i].contains(anchor.row, anchor.column);
- if (containsLead && containsAnchor)
- return;
- }
- this.detach();
- };
- this.onChangeSession = function() {
- this.detach();
- };
- this.tabNext = function(dir) {
- var max = this.tabstops.length;
- var index = this.index + (dir || 1);
- index = Math.min(Math.max(index, 1), max);
- if (index == max)
- index = 0;
- this.selectTabstop(index);
- if (index === 0)
- this.detach();
- };
- this.selectTabstop = function(index) {
- this.$openTabstops = null;
- var ts = this.tabstops[this.index];
- if (ts)
- this.addTabstopMarkers(ts);
- this.index = index;
- ts = this.tabstops[this.index];
- if (!ts || !ts.length)
- return;
-
- this.selectedTabstop = ts;
- if (!this.editor.inVirtualSelectionMode) {
- var sel = this.editor.multiSelect;
- sel.toSingleRange(ts.firstNonLinked.clone());
- for (var i = ts.length; i--;) {
- if (ts.hasLinkedRanges && ts[i].linked)
- continue;
- sel.addRange(ts[i].clone(), true);
- }
- // todo investigate why is this needed
- if (sel.ranges[0])
- sel.addRange(sel.ranges[0].clone());
- } else {
- this.editor.selection.setRange(ts.firstNonLinked);
- }
-
- this.editor.keyBinding.addKeyboardHandler(this.keyboardHandler);
- };
- this.addTabstops = function(tabstops, start, end) {
- if (!this.$openTabstops)
- this.$openTabstops = [];
- // add final tabstop if missing
- if (!tabstops[0]) {
- var p = Range.fromPoints(end, end);
- moveRelative(p.start, start);
- moveRelative(p.end, start);
- tabstops[0] = [p];
- tabstops[0].index = 0;
- }
- var i = this.index;
- var arg = [i + 1, 0];
- var ranges = this.ranges;
- tabstops.forEach(function(ts, index) {
- var dest = this.$openTabstops[index] || ts;
-
- for (var i = ts.length; i--;) {
- var p = ts[i];
- var range = Range.fromPoints(p.start, p.end || p.start);
- movePoint(range.start, start);
- movePoint(range.end, start);
- range.original = p;
- range.tabstop = dest;
- ranges.push(range);
- if (dest != ts)
- dest.unshift(range);
- else
- dest[i] = range;
- if (p.fmtString) {
- range.linked = true;
- dest.hasLinkedRanges = true;
- } else if (!dest.firstNonLinked)
- dest.firstNonLinked = range;
- }
- if (!dest.firstNonLinked)
- dest.hasLinkedRanges = false;
- if (dest === ts) {
- arg.push(dest);
- this.$openTabstops[index] = dest;
- }
- this.addTabstopMarkers(dest);
- }, this);
-
- if (arg.length > 2) {
- // when adding new snippet inside existing one, make sure 0 tabstop is at the end
- if (this.tabstops.length)
- arg.push(arg.splice(2, 1)[0]);
- this.tabstops.splice.apply(this.tabstops, arg);
- }
- };
- this.addTabstopMarkers = function(ts) {
- var session = this.editor.session;
- ts.forEach(function(range) {
- if (!range.markerId)
- range.markerId = session.addMarker(range, "ace_snippet-marker", "text");
- });
- };
- this.removeTabstopMarkers = function(ts) {
- var session = this.editor.session;
- ts.forEach(function(range) {
- session.removeMarker(range.markerId);
- range.markerId = null;
- });
- };
- this.removeRange = function(range) {
- var i = range.tabstop.indexOf(range);
- range.tabstop.splice(i, 1);
- i = this.ranges.indexOf(range);
- this.ranges.splice(i, 1);
- this.editor.session.removeMarker(range.markerId);
- if (!range.tabstop.length) {
- i = this.tabstops.indexOf(range.tabstop);
- if (i != -1)
- this.tabstops.splice(i, 1);
- if (!this.tabstops.length)
- this.detach();
- }
- };
- this.keyboardHandler = new HashHandler();
- this.keyboardHandler.bindKeys({
- "Tab": function(ed) {
- if (exports.snippetManager && exports.snippetManager.expandWithTab(ed)) {
- return;
- }
- ed.tabstopManager.tabNext(1);
- },
- "Shift-Tab": function(ed) {
- ed.tabstopManager.tabNext(-1);
- },
- "Esc": function(ed) {
- ed.tabstopManager.detach();
- },
- "Return": function(ed) {
- //ed.tabstopManager.tabNext(1);
- return false;
- }
- });
- }).call(TabstopManager.prototype);
- var changeTracker = {};
- changeTracker.onChange = Anchor.prototype.onChange;
- changeTracker.setPosition = function(row, column) {
- this.pos.row = row;
- this.pos.column = column;
- };
- changeTracker.update = function(pos, delta, $insertRight) {
- this.$insertRight = $insertRight;
- this.pos = pos;
- this.onChange(delta);
- };
- var movePoint = function(point, diff) {
- if (point.row == 0)
- point.column += diff.column;
- point.row += diff.row;
- };
- var moveRelative = function(point, start) {
- if (point.row == start.row)
- point.column -= start.column;
- point.row -= start.row;
- };
- require("./lib/dom").importCssString("\
- .ace_snippet-marker {\
- -moz-box-sizing: border-box;\
- box-sizing: border-box;\
- background: rgba(194, 193, 208, 0.09);\
- border: 1px dotted rgba(211, 208, 235, 0.62);\
- position: absolute;\
- }");
- exports.snippetManager = new SnippetManager();
- var Editor = require("./editor").Editor;
- (function() {
- this.insertSnippet = function(content, options) {
- return exports.snippetManager.insertSnippet(this, content, options);
- };
- this.expandSnippet = function(options) {
- return exports.snippetManager.expandWithTab(this, options);
- };
- }).call(Editor.prototype);
- });
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