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613 lines
20 KiB
JavaScript
Executable file
613 lines
20 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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"never use strict";
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var lang = require("../../lib/lang");
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var util = require("./maps/util");
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var motions = require("./maps/motions");
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var operators = require("./maps/operators");
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var alias = require("./maps/aliases");
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var registers = require("./registers");
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var NUMBER = 1;
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var OPERATOR = 2;
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var MOTION = 3;
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var ACTION = 4;
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var HMARGIN = 8; // Minimum amount of line separation between margins;
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var repeat = function repeat(fn, count, args) {
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while (0 < count--)
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fn.apply(this, args);
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};
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var ensureScrollMargin = function(editor) {
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var renderer = editor.renderer;
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var pos = renderer.$cursorLayer.getPixelPosition();
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var top = pos.top;
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var margin = HMARGIN * renderer.layerConfig.lineHeight;
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if (2 * margin > renderer.$size.scrollerHeight)
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margin = renderer.$size.scrollerHeight / 2;
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if (renderer.scrollTop > top - margin) {
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renderer.session.setScrollTop(top - margin);
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}
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if (renderer.scrollTop + renderer.$size.scrollerHeight < top + margin + renderer.lineHeight) {
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renderer.session.setScrollTop(top + margin + renderer.lineHeight - renderer.$size.scrollerHeight);
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}
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};
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var actions = exports.actions = {
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"z": {
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param: true,
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fn: function(editor, range, count, param) {
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switch (param) {
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case "z":
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editor.renderer.alignCursor(null, 0.5);
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break;
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case "t":
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editor.renderer.alignCursor(null, 0);
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break;
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case "b":
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editor.renderer.alignCursor(null, 1);
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break;
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case "c":
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editor.session.onFoldWidgetClick(range.start.row, {domEvent:{target :{}}});
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break;
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case "o":
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editor.session.onFoldWidgetClick(range.start.row, {domEvent:{target :{}}});
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break;
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case "C":
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editor.session.foldAll();
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break;
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case "O":
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editor.session.unfold();
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break;
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}
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}
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},
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"r": {
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param: true,
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fn: function(editor, range, count, param) {
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if (param && param.length) {
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if (param.length > 1)
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param = param == "return" ? "\n" : param == "tab" ? "\t" : param;
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repeat(function() { editor.insert(param); }, count || 1);
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editor.navigateLeft();
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}
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}
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},
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"R": {
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fn: function(editor, range, count, param) {
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util.insertMode(editor);
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editor.setOverwrite(true);
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}
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},
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"~": {
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fn: function(editor, range, count) {
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repeat(function() {
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var range = editor.selection.getRange();
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if (range.isEmpty())
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range.end.column++;
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var text = editor.session.getTextRange(range);
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var toggled = text.toUpperCase();
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if (toggled == text)
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editor.navigateRight();
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else
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editor.session.replace(range, toggled);
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}, count || 1);
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}
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},
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"*": {
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fn: function(editor, range, count, param) {
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editor.selection.selectWord();
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editor.findNext();
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ensureScrollMargin(editor);
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var r = editor.selection.getRange();
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editor.selection.setSelectionRange(r, true);
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}
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},
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"#": {
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fn: function(editor, range, count, param) {
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editor.selection.selectWord();
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editor.findPrevious();
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ensureScrollMargin(editor);
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var r = editor.selection.getRange();
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editor.selection.setSelectionRange(r, true);
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}
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},
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"m": {
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param: true,
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fn: function(editor, range, count, param) {
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var s = editor.session;
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var markers = s.vimMarkers || (s.vimMarkers = {});
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var c = editor.getCursorPosition();
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if (!markers[param]) {
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markers[param] = editor.session.doc.createAnchor(c);
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}
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markers[param].setPosition(c.row, c.column, true);
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}
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},
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"n": {
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fn: function(editor, range, count, param) {
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var options = editor.getLastSearchOptions();
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options.backwards = false;
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editor.selection.moveCursorRight();
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editor.selection.clearSelection();
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editor.findNext(options);
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ensureScrollMargin(editor);
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var r = editor.selection.getRange();
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r.end.row = r.start.row;
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r.end.column = r.start.column;
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editor.selection.setSelectionRange(r, true);
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}
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},
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"N": {
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fn: function(editor, range, count, param) {
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var options = editor.getLastSearchOptions();
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options.backwards = true;
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editor.findPrevious(options);
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ensureScrollMargin(editor);
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var r = editor.selection.getRange();
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r.end.row = r.start.row;
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r.end.column = r.start.column;
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editor.selection.setSelectionRange(r, true);
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}
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},
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"v": {
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fn: function(editor, range, count, param) {
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editor.selection.selectRight();
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util.visualMode(editor, false);
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},
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acceptsMotion: true
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},
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"V": {
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fn: function(editor, range, count, param) {
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//editor.selection.selectLine();
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//editor.selection.selectLeft();
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var row = editor.getCursorPosition().row;
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editor.selection.clearSelection();
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editor.selection.moveCursorTo(row, 0);
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editor.selection.selectLineEnd();
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editor.selection.visualLineStart = row;
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util.visualMode(editor, true);
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},
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acceptsMotion: true
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},
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"Y": {
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fn: function(editor, range, count, param) {
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util.copyLine(editor);
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}
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},
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"p": {
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fn: function(editor, range, count, param) {
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var defaultReg = registers._default;
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editor.setOverwrite(false);
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if (defaultReg.isLine) {
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var pos = editor.getCursorPosition();
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pos.column = editor.session.getLine(pos.row).length;
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var text = lang.stringRepeat("\n" + defaultReg.text, count || 1);
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editor.session.insert(pos, text);
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editor.moveCursorTo(pos.row + 1, 0);
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}
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else {
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editor.navigateRight();
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editor.insert(lang.stringRepeat(defaultReg.text, count || 1));
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editor.navigateLeft();
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}
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editor.setOverwrite(true);
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editor.selection.clearSelection();
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}
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},
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"P": {
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fn: function(editor, range, count, param) {
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var defaultReg = registers._default;
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editor.setOverwrite(false);
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if (defaultReg.isLine) {
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var pos = editor.getCursorPosition();
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pos.column = 0;
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var text = lang.stringRepeat(defaultReg.text + "\n", count || 1);
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editor.session.insert(pos, text);
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editor.moveCursorToPosition(pos);
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}
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else {
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editor.insert(lang.stringRepeat(defaultReg.text, count || 1));
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}
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editor.setOverwrite(true);
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editor.selection.clearSelection();
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}
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},
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"J": {
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fn: function(editor, range, count, param) {
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var session = editor.session;
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range = editor.getSelectionRange();
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var pos = {row: range.start.row, column: range.start.column};
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count = count || range.end.row - range.start.row;
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var maxRow = Math.min(pos.row + (count || 1), session.getLength() - 1);
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range.start.column = session.getLine(pos.row).length;
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range.end.column = session.getLine(maxRow).length;
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range.end.row = maxRow;
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var text = "";
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for (var i = pos.row; i < maxRow; i++) {
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var nextLine = session.getLine(i + 1);
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text += " " + /^\s*(.*)$/.exec(nextLine)[1] || "";
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}
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session.replace(range, text);
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editor.moveCursorTo(pos.row, pos.column);
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}
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},
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"u": {
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fn: function(editor, range, count, param) {
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count = parseInt(count || 1, 10);
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for (var i = 0; i < count; i++) {
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editor.undo();
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}
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editor.selection.clearSelection();
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}
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},
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"ctrl-r": {
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fn: function(editor, range, count, param) {
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count = parseInt(count || 1, 10);
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for (var i = 0; i < count; i++) {
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editor.redo();
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}
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editor.selection.clearSelection();
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}
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},
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":": {
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fn: function(editor, range, count, param) {
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var val = ":";
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if (count > 1)
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val = ".,.+" + count + val;
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if (editor.showCommandLine)
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editor.showCommandLine(val);
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}
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},
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"/": {
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fn: function(editor, range, count, param) {
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if (editor.showCommandLine)
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editor.showCommandLine("/");
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}
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},
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"?": {
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fn: function(editor, range, count, param) {
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if (editor.showCommandLine)
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editor.showCommandLine("?");
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}
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},
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".": {
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fn: function(editor, range, count, param) {
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util.onInsertReplaySequence = inputBuffer.lastInsertCommands;
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var previous = inputBuffer.previous;
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if (previous) // If there is a previous action
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inputBuffer.exec(editor, previous.action, previous.param);
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}
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},
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"ctrl-x": {
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fn: function(editor, range, count, param) {
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editor.modifyNumber(-(count || 1));
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}
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},
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"ctrl-a": {
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fn: function(editor, range, count, param) {
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editor.modifyNumber(count || 1);
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}
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}
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};
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var inputBuffer = exports.inputBuffer = {
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accepting: [NUMBER, OPERATOR, MOTION, ACTION],
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currentCmd: null,
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//currentMode: 0,
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currentCount: "",
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status: "",
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// Types
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operator: null,
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motion: null,
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lastInsertCommands: [],
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push: function(editor, ch, keyId) {
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var status = this.status;
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var isKeyHandled = true;
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this.idle = false;
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var wObj = this.waitingForParam;
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if (/^numpad\d+$/i.test(ch))
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ch = ch.substr(6);
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if (wObj) {
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this.exec(editor, wObj, ch);
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}
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// If input is a number (that doesn't start with 0)
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else if (!(ch === "0" && !this.currentCount.length) &&
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(/^\d+$/.test(ch) && this.isAccepting(NUMBER))) {
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// Assuming that ch is always of type String, and not Number
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this.currentCount += ch;
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this.currentCmd = NUMBER;
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this.accepting = [NUMBER, OPERATOR, MOTION, ACTION];
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}
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else if (!this.operator && this.isAccepting(OPERATOR) && operators[ch]) {
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this.operator = {
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ch: ch,
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count: this.getCount()
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};
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this.currentCmd = OPERATOR;
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this.accepting = [NUMBER, MOTION, ACTION];
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this.exec(editor, { operator: this.operator });
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}
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else if (motions[ch] && this.isAccepting(MOTION)) {
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this.currentCmd = MOTION;
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var ctx = {
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operator: this.operator,
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motion: {
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ch: ch,
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count: this.getCount()
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}
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};
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if (motions[ch].param)
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this.waitForParam(ctx);
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else
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this.exec(editor, ctx);
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}
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else if (alias[ch] && this.isAccepting(MOTION)) {
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alias[ch].operator.count = this.getCount();
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this.exec(editor, alias[ch]);
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}
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else if (actions[ch] && this.isAccepting(ACTION)) {
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var actionObj = {
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action: {
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fn: actions[ch].fn,
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count: this.getCount()
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}
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};
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if (actions[ch].param) {
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this.waitForParam(actionObj);
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}
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else {
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this.exec(editor, actionObj);
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}
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if (actions[ch].acceptsMotion)
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this.idle = false;
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}
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else if (this.operator) {
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this.operator.count = this.getCount();
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this.exec(editor, { operator: this.operator }, ch);
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}
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else {
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isKeyHandled = ch.length == 1;
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this.reset();
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}
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if (this.waitingForParam || this.motion || this.operator) {
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this.status += ch;
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} else if (this.currentCount) {
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this.status = this.currentCount;
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} else if (this.status) {
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this.status = "";
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}
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if (this.status != status)
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editor._emit("changeStatus");
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return isKeyHandled;
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},
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waitForParam: function(cmd) {
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this.waitingForParam = cmd;
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},
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getCount: function() {
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var count = this.currentCount;
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this.currentCount = "";
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return count && parseInt(count, 10);
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},
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exec: function(editor, action, param) {
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var m = action.motion;
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var o = action.operator;
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var a = action.action;
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if (!param)
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param = action.param;
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if (o) {
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this.previous = {
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action: action,
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param: param
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};
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}
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if (o && !editor.selection.isEmpty()) {
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if (operators[o.ch].selFn) {
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operators[o.ch].selFn(editor, editor.getSelectionRange(), o.count, param);
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this.reset();
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}
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return;
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}
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// There is an operator, but no motion or action. We try to pass the
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// current ch to the operator to see if it responds to it (an example
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// of this is the 'dd' operator).
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else if (!m && !a && o && param) {
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operators[o.ch].fn(editor, null, o.count, param);
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this.reset();
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}
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else if (m) {
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var run = function(fn) {
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if (fn && typeof fn === "function") { // There should always be a motion
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if (m.count && !motionObj.handlesCount)
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repeat(fn, m.count, [editor, null, m.count, param]);
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else
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fn(editor, null, m.count, param);
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}
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};
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var motionObj = motions[m.ch];
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var selectable = motionObj.sel;
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if (!o) {
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if ((util.onVisualMode || util.onVisualLineMode) && selectable)
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run(motionObj.sel);
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else
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run(motionObj.nav);
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}
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else if (selectable) {
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repeat(function() {
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run(motionObj.sel);
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operators[o.ch].fn(editor, editor.getSelectionRange(), o.count, param);
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}, o.count || 1);
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}
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this.reset();
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}
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else if (a) {
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a.fn(editor, editor.getSelectionRange(), a.count, param);
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this.reset();
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}
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handleCursorMove(editor);
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},
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isAccepting: function(type) {
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return this.accepting.indexOf(type) !== -1;
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},
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reset: function() {
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this.operator = null;
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this.motion = null;
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this.currentCount = "";
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this.status = "";
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this.accepting = [NUMBER, OPERATOR, MOTION, ACTION];
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this.idle = true;
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this.waitingForParam = null;
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}
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};
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function setPreviousCommand(fn) {
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inputBuffer.previous = { action: { action: { fn: fn } } };
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}
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exports.coreCommands = {
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start: {
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exec: function start(editor) {
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util.insertMode(editor);
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setPreviousCommand(start);
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}
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},
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startBeginning: {
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exec: function startBeginning(editor) {
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editor.navigateLineStart();
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util.insertMode(editor);
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setPreviousCommand(startBeginning);
|
|
}
|
|
},
|
|
// Stop Insert mode as soon as possible. Works like typing <Esc> in
|
|
// insert mode.
|
|
stop: {
|
|
exec: function stop(editor) {
|
|
inputBuffer.reset();
|
|
util.onVisualMode = false;
|
|
util.onVisualLineMode = false;
|
|
inputBuffer.lastInsertCommands = util.normalMode(editor);
|
|
}
|
|
},
|
|
append: {
|
|
exec: function append(editor) {
|
|
var pos = editor.getCursorPosition();
|
|
var lineLen = editor.session.getLine(pos.row).length;
|
|
if (lineLen)
|
|
editor.navigateRight();
|
|
util.insertMode(editor);
|
|
setPreviousCommand(append);
|
|
}
|
|
},
|
|
appendEnd: {
|
|
exec: function appendEnd(editor) {
|
|
editor.navigateLineEnd();
|
|
util.insertMode(editor);
|
|
setPreviousCommand(appendEnd);
|
|
}
|
|
}
|
|
};
|
|
|
|
var handleCursorMove = exports.onCursorMove = function(editor, e) {
|
|
if (util.currentMode === 'insert' || handleCursorMove.running)
|
|
return;
|
|
else if(!editor.selection.isEmpty()) {
|
|
handleCursorMove.running = true;
|
|
if (util.onVisualLineMode) {
|
|
var originRow = editor.selection.visualLineStart;
|
|
var cursorRow = editor.getCursorPosition().row;
|
|
if(originRow <= cursorRow) {
|
|
var endLine = editor.session.getLine(cursorRow);
|
|
editor.selection.clearSelection();
|
|
editor.selection.moveCursorTo(originRow, 0);
|
|
editor.selection.selectTo(cursorRow, endLine.length);
|
|
} else {
|
|
var endLine = editor.session.getLine(originRow);
|
|
editor.selection.clearSelection();
|
|
editor.selection.moveCursorTo(originRow, endLine.length);
|
|
editor.selection.selectTo(cursorRow, 0);
|
|
}
|
|
}
|
|
handleCursorMove.running = false;
|
|
return;
|
|
}
|
|
else {
|
|
if (e && (util.onVisualLineMode || util.onVisualMode)) {
|
|
editor.selection.clearSelection();
|
|
util.normalMode(editor);
|
|
}
|
|
|
|
handleCursorMove.running = true;
|
|
var pos = editor.getCursorPosition();
|
|
var lineLen = editor.session.getLine(pos.row).length;
|
|
|
|
if (lineLen && pos.column === lineLen)
|
|
editor.navigateLeft();
|
|
handleCursorMove.running = false;
|
|
}
|
|
};
|
|
});
|