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pentadactyl-pm/common/content/editor.js
2011-08-06 15:56:16 -04:00

884 lines
35 KiB
JavaScript

// Copyright (c) 2008-2011 Kris Maglione <maglione.k at Gmail>
// Copyright (c) 2006-2009 by Martin Stubenschrott <stubenschrott@vimperator.org>
//
// This work is licensed for reuse under an MIT license. Details are
// given in the LICENSE.txt file included with this file.
"use strict";
/** @scope modules */
// command names taken from:
// http://developer.mozilla.org/en/docs/Editor_Embedding_Guide
/** @instance editor */
var Editor = Module("editor", {
get isCaret() modes.getStack(1).main == modes.CARET,
get isTextEdit() modes.getStack(1).main == modes.TEXT_EDIT,
unselectText: function (toEnd) {
try {
Editor.getEditor(null).selection[toEnd ? "collapseToEnd" : "collapseToStart"]();
}
catch (e) {}
},
selectedText: function () String(Editor.getEditor(null).selection),
pasteClipboard: function (clipboard, toStart) {
let elem = dactyl.focusedElement;
if (elem.inputField)
elem = elem.inputField;
if (elem.setSelectionRange) {
let text = dactyl.clipboardRead(clipboard);
if (!text)
return;
if (isinstance(elem, [HTMLInputElement, XULTextBoxElement]))
text = text.replace(/\n+/g, "");
// This is a hacky fix - but it works.
// <s-insert> in the bottom of a long textarea bounces up
let top = elem.scrollTop;
let left = elem.scrollLeft;
let start = elem.selectionStart; // caret position
let end = elem.selectionEnd;
let value = elem.value.substring(0, start) + text + elem.value.substring(end);
elem.value = value;
if (/^(search|text)$/.test(elem.type))
Editor.getEditor(elem).rootElement.firstChild.textContent = value;
elem.selectionStart = Math.min(start + (toStart ? 0 : text.length), elem.value.length);
elem.selectionEnd = elem.selectionStart;
elem.scrollTop = top;
elem.scrollLeft = left;
events.dispatch(elem, events.create(elem.ownerDocument, "input"));
}
},
// count is optional, defaults to 1
executeCommand: function (cmd, count) {
let editor = Editor.getEditor(null);
let controller = Editor.getController(cmd);
dactyl.assert(callable(cmd) ||
controller &&
controller.supportsCommand(cmd) &&
controller.isCommandEnabled(cmd));
// XXX: better as a precondition
if (count == null)
count = 1;
let didCommand = false;
while (count--) {
// some commands need this try/catch workaround, because a cmd_charPrevious triggered
// at the beginning of the textarea, would hang the doCommand()
// good thing is, we need this code anyway for proper beeping
try {
if (callable(cmd))
cmd(editor, controller);
else
controller.doCommand(cmd);
didCommand = true;
}
catch (e) {
util.reportError(e);
dactyl.assert(didCommand);
break;
}
}
},
// This function will move/select up to given "pos"
// Simple setSelectionRange() would be better, but we want to maintain the correct
// order of selectionStart/End (a Gecko bug always makes selectionStart <= selectionEnd)
// Use only for small movements!
moveToPosition: function (pos, forward, select) {
if (!select) {
Editor.getEditor().setSelectionRange(pos, pos);
return;
}
if (forward) {
if (pos <= Editor.getEditor().selectionEnd || pos > Editor.getEditor().value.length)
return;
do { // TODO: test code for endless loops
this.executeCommand("cmd_selectCharNext", 1);
}
while (Editor.getEditor().selectionEnd != pos);
}
else {
if (pos >= Editor.getEditor().selectionStart || pos < 0)
return;
do { // TODO: test code for endless loops
this.executeCommand("cmd_selectCharPrevious", 1);
}
while (Editor.getEditor().selectionStart != pos);
}
},
findChar: function (key, count, backward) {
let editor = Editor.getEditor();
if (!editor)
return -1;
// XXX
if (count == null)
count = 1;
let code = events.fromString(key)[0].charCode;
util.assert(code);
let char = String.fromCharCode(code);
let text = editor.value;
let caret = editor.selectionEnd;
if (backward) {
let end = text.lastIndexOf("\n", caret);
while (caret > end && caret >= 0 && count--)
caret = text.lastIndexOf(char, caret - 1);
}
else {
let end = text.indexOf("\n", caret);
if (end == -1)
end = text.length;
while (caret < end && caret >= 0 && count--)
caret = text.indexOf(char, caret + 1);
}
if (count > 0)
caret = -1;
if (caret == -1)
dactyl.beep();
return caret;
},
/**
* Edits the given file in the external editor as specified by the
* 'editor' option.
*
* @param {object|File|string} args An object specifying the file, line,
* and column to edit. If a non-object is specified, it is treated as
* the file parameter of the object.
* @param {boolean} blocking If true, this function does not return
* until the editor exits.
*/
editFileExternally: function (args, blocking) {
if (!isObject(args) || args instanceof File)
args = { file: args };
args.file = args.file.path || args.file;
let args = options.get("editor").format(args);
dactyl.assert(args.length >= 1, _("option.notSet", "editor"));
io.run(args.shift(), args, blocking);
},
// TODO: clean up with 2 functions for textboxes and currentEditor?
editFieldExternally: function editFieldExternally(forceEditing) {
if (!options["editor"])
return;
let textBox = config.isComposeWindow ? null : dactyl.focusedElement;
let line, column;
if (!forceEditing && textBox && textBox.type == "password") {
commandline.input(_("editor.prompt.editPassword") + " ",
function (resp) {
if (resp && resp.match(/^y(es)?$/i))
editor.editFieldExternally(true);
});
return;
}
if (textBox) {
var text = textBox.value;
let pre = text.substr(0, textBox.selectionStart);
line = 1 + pre.replace(/[^\n]/g, "").length;
column = 1 + pre.replace(/[^]*\n/, "").length;
}
else {
var editor_ = window.GetCurrentEditor ? GetCurrentEditor()
: Editor.getEditor(document.commandDispatcher.focusedWindow);
dactyl.assert(editor_);
text = Array.map(editor_.rootElement.childNodes, function (e) util.domToString(e, true)).join("");
}
let origGroup = textBox && textBox.getAttributeNS(NS, "highlight") || "";
let cleanup = util.yieldable(function cleanup(error) {
if (timer)
timer.cancel();
let blink = ["EditorBlink1", "EditorBlink2"];
if (error) {
dactyl.reportError(error, true);
blink[1] = "EditorError";
}
else
dactyl.trapErrors(update, null, true);
if (tmpfile && tmpfile.exists())
tmpfile.remove(false);
if (textBox) {
dactyl.focus(textBox);
for (let group in values(blink.concat(blink, ""))) {
highlight.highlightNode(textBox, origGroup + " " + group);
yield 100;
}
}
});
function update(force) {
if (force !== true && tmpfile.lastModifiedTime <= lastUpdate)
return;
lastUpdate = Date.now();
let val = tmpfile.read();
if (textBox) {
textBox.value = val;
textBox.setAttributeNS(NS, "modifiable", true);
util.computedStyle(textBox).MozUserInput;
events.dispatch(textBox, events.create(textBox.ownerDocument, "input", {}));
textBox.removeAttributeNS(NS, "modifiable");
}
else {
while (editor_.rootElement.firstChild)
editor_.rootElement.removeChild(editor_.rootElement.firstChild);
editor_.rootElement.innerHTML = val;
}
}
try {
var tmpfile = io.createTempFile();
if (!tmpfile)
throw Error(_("io.cantCreateTempFile"));
if (textBox) {
highlight.highlightNode(textBox, origGroup + " EditorEditing");
textBox.blur();
}
if (!tmpfile.write(text))
throw Error(_("io.cantEncode"));
var lastUpdate = Date.now();
var timer = services.Timer(update, 100, services.Timer.TYPE_REPEATING_SLACK);
this.editFileExternally({ file: tmpfile.path, line: line, column: column }, cleanup);
}
catch (e) {
cleanup(e);
}
},
/**
* Expands an abbreviation in the currently active textbox.
*
* @param {string} mode The mode filter.
* @see Abbreviation#expand
*/
expandAbbreviation: function (mode) {
let elem = dactyl.focusedElement;
if (!(elem && elem.value))
return;
let text = elem.value;
let start = elem.selectionStart;
let end = elem.selectionEnd;
let abbrev = abbreviations.match(mode, text.substring(0, start).replace(/.*\s/g, ""));
if (abbrev) {
let len = abbrev.lhs.length;
let rhs = abbrev.expand(elem);
elem.value = text.substring(0, start - len) + rhs + text.substring(start);
elem.selectionStart = start - len + rhs.length;
elem.selectionEnd = end - len + rhs.length;
}
},
}, {
extendRange: function extendRange(range, forward, re, sameWord) {
function advance(positive) {
let idx = range.endOffset;
while (idx < text.length && re.test(text[idx++]) == positive)
range.setEnd(range.endContainer, idx);
}
function retreat(positive) {
let idx = range.startOffset;
while (idx > 0 && re.test(text[--idx]) == positive)
range.setStart(range.startContainer, idx);
}
let nodeRange = range.cloneRange();
nodeRange.selectNodeContents(range.startContainer);
let text = String(nodeRange);
if (forward) {
advance(true);
if (!sameWord)
advance(false);
}
else {
if (!sameWord)
retreat(false);
retreat(true);
}
return range;
},
getEditor: function (elem) {
if (arguments.length === 0) {
dactyl.assert(dactyl.focusedElement);
return dactyl.focusedElement;
}
if (!elem)
elem = dactyl.focusedElement || document.commandDispatcher.focusedWindow;
dactyl.assert(elem);
try {
if (elem instanceof Element)
return elem.QueryInterface(Ci.nsIDOMNSEditableElement).editor;
return elem.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIWebNavigation)
.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIEditingSession)
.getEditorForWindow(elem);
}
catch (e) {
return null;
}
},
getController: function (cmd) {
let win = document.commandDispatcher.focusedWindow;
let ed = dactyl.focusedElement || Editor.getEditor(win) && win;
if (!ed || !ed.controllers)
return null;
return ed.controllers.getControllerForCommand(cmd || "cmd_beginLine");
}
}, {
mappings: function () {
Map.types["editor"] = {
preExecute: function preExecute(args) {
Editor.getEditor(null).beginTransaction();
},
postExecute: function preExecute(args) {
Editor.getEditor(null).endTransaction();
},
};
Map.types["operator"] = {
postExecute: function preExecute(args) {
if (modes.main == modes.OPERATOR)
modes.pop();
},
};
// add mappings for commands like h,j,k,l,etc. in CARET, VISUAL and TEXT_EDIT mode
function addMovementMap(keys, description, hasCount, caretModeMethod, caretModeArg, textEditCommand, visualTextEditCommand) {
let extraInfo = {
count: !!hasCount,
type: "operator"
};
function caretExecute(arg, again) {
function fixSelection() {
sel.removeAllRanges();
sel.addRange(RangeFind.endpoint(
RangeFind.nodeRange(buffer.focusedFrame.document.documentElement),
true));
}
let controller = util.selectionController(document.commandDispatcher.focusedWindow);
let sel = controller.getSelection(controller.SELECTION_NORMAL);
if (!sel.rangeCount) // Hack.
fixSelection();
try {
controller[caretModeMethod](caretModeArg, arg);
}
catch (e) {
dactyl.assert(again && e.result === Cr.NS_ERROR_FAILURE);
fixSelection();
caretExecute(arg, false);
}
}
mappings.add([modes.VISUAL], keys, description,
function ({ count }) {
if (!count)
count = 1;
let caret = !dactyl.focusedElement;
let editor_ = Editor.getEditor(null);
let controller = buffer.selectionController;
while (count-- && modes.main == modes.VISUAL) {
if (caret)
caretExecute(true, true);
else {
if (callable(visualTextEditCommand))
visualTextEditCommand(editor_);
else
editor.executeCommand(visualTextEditCommand);
}
}
},
extraInfo);
mappings.add([modes.CARET, modes.TEXT_EDIT, modes.OPERATOR], keys, description,
function ({ count }) {
if (!count)
count = 1;
if (Editor.getEditor(null))
editor.executeCommand(textEditCommand, count);
else {
while (count--)
caretExecute(false, true);
}
},
extraInfo);
}
// add mappings for commands like i,a,s,c,etc. in TEXT_EDIT mode
function addBeginInsertModeMap(keys, commands, description) {
mappings.add([modes.TEXT_EDIT], keys, description || "",
function () {
commands.forEach(function (cmd)
editor.executeCommand(cmd, 1));
modes.push(modes.INSERT);
},
{ type: "editor" });
}
function selectPreviousLine() {
editor.executeCommand("cmd_selectLinePrevious");
if ((modes.extended & modes.LINE) && !editor.selectedText())
editor.executeCommand("cmd_selectLinePrevious");
}
function selectNextLine() {
editor.executeCommand("cmd_selectLineNext");
if ((modes.extended & modes.LINE) && !editor.selectedText())
editor.executeCommand("cmd_selectLineNext");
}
function updateRange(editor, forward, re, modify) {
let range = Editor.extendRange(editor.selection.getRangeAt(0),
forward, re, false);
modify(range);
editor.selection.removeAllRanges();
editor.selection.addRange(range);
}
function move(forward, re)
function _move(editor) {
updateRange(editor, forward, re, function (range) { range.collapse(!forward); });
}
function select(forward, re)
function _select(editor) {
updateRange(editor, forward, re, function (range) {});
}
function beginLine(editor_) {
editor.executeCommand("cmd_beginLine");
move(true, /\S/)(editor_);
}
// COUNT CARET TEXT_EDIT VISUAL_TEXT_EDIT
addMovementMap(["k", "<Up>"], "Move up one line",
true, "lineMove", false, "cmd_linePrevious", selectPreviousLine);
addMovementMap(["j", "<Down>", "<Return>"], "Move down one line",
true, "lineMove", true, "cmd_lineNext", selectNextLine);
addMovementMap(["h", "<Left>", "<BS>"], "Move left one character",
true, "characterMove", false, "cmd_charPrevious", "cmd_selectCharPrevious");
addMovementMap(["l", "<Right>", "<Space>"], "Move right one character",
true, "characterMove", true, "cmd_charNext", "cmd_selectCharNext");
addMovementMap(["b", "<C-Left>"], "Move left one word",
true, "wordMove", false, "cmd_wordPrevious", "cmd_selectWordPrevious");
addMovementMap(["w", "<C-Right>"], "Move right one word",
true, "wordMove", true, "cmd_wordNext", "cmd_selectWordNext");
addMovementMap(["B"], "Move left to the previous white space",
true, "wordMove", false, move(false, /\S/), select(false, /\S/));
addMovementMap(["W"], "Move right to just beyond the next white space",
true, "wordMove", true, move(true, /\S/), select(true, /\S/));
addMovementMap(["e"], "Move to the end of the current word",
true, "wordMove", true, move(true, /\W/), select(true, /\W/));
addMovementMap(["E"], "Move right to the next white space",
true, "wordMove", true, move(true, /\s/), select(true, /\s/));
addMovementMap(["<C-f>", "<PageDown>"], "Move down one page",
true, "pageMove", true, "cmd_movePageDown", "cmd_selectNextPage");
addMovementMap(["<C-b>", "<PageUp>"], "Move up one page",
true, "pageMove", false, "cmd_movePageUp", "cmd_selectPreviousPage");
addMovementMap(["gg", "<C-Home>"], "Move to the start of text",
false, "completeMove", false, "cmd_moveTop", "cmd_selectTop");
addMovementMap(["G", "<C-End>"], "Move to the end of text",
false, "completeMove", true, "cmd_moveBottom", "cmd_selectBottom");
addMovementMap(["0", "<Home>"], "Move to the beginning of the line",
false, "intraLineMove", false, "cmd_beginLine", "cmd_selectBeginLine");
addMovementMap(["^"], "Move to the first non-whitespace character of the line",
false, "intraLineMove", false, beginLine, "cmd_selectBeginLine");
addMovementMap(["$", "<End>"], "Move to the end of the current line",
false, "intraLineMove", true, "cmd_endLine" , "cmd_selectEndLine");
addBeginInsertModeMap(["i", "<Insert>"], [], "Insert text before the cursor");
addBeginInsertModeMap(["a"], ["cmd_charNext"], "Append text after the cursor");
addBeginInsertModeMap(["I"], ["cmd_beginLine"], "Insert text at the beginning of the line");
addBeginInsertModeMap(["A"], ["cmd_endLine"], "Append text at the end of the line");
addBeginInsertModeMap(["s"], ["cmd_deleteCharForward"], "Delete the character in front of the cursor and start insert");
addBeginInsertModeMap(["S"], ["cmd_deleteToEndOfLine", "cmd_deleteToBeginningOfLine"], "Delete the current line and start insert");
addBeginInsertModeMap(["C"], ["cmd_deleteToEndOfLine"], "Delete from the cursor to the end of the line and start insert");
function addMotionMap(key, desc, select, cmd, mode) {
mappings.add([modes.TEXT_EDIT], [key],
desc,
function ({ count, motion }) {
modes.push(modes.OPERATOR, null, {
count: count,
leave: function leave(stack) {
if (stack.push || stack.fromEscape)
return;
try {
editor.beginTransaction();
let range = RangeFind.union(start, sel.getRangeAt(0));
sel.removeAllRanges();
sel.addRange(select ? range : start);
cmd(editor, range);
}
finally {
editor.endTransaction();
}
modes.delay(function () {
if (mode)
modes.push(mode);
});
}
});
let editor = Editor.getEditor(null);
let sel = editor.selection;
let start = sel.getRangeAt(0).cloneRange();
},
{ count: true, type: "motion" });
}
addMotionMap("d", "Delete motion", true, function (editor) { editor.cut(); });
addMotionMap("c", "Change motion", true, function (editor) { editor.cut(); }, modes.INSERT);
addMotionMap("y", "Yank motion", false, function (editor, range) { dactyl.clipboardWrite(util.domToString(range)) });
let bind = function bind(names, description, action, params)
mappings.add([modes.INPUT], names, description,
action, update({ type: "editor" }, params));
bind(["<C-w>"], "Delete previous word",
function () { editor.executeCommand("cmd_deleteWordBackward", 1); });
bind(["<C-u>"], "Delete until beginning of current line",
function () {
// Deletes the whole line. What the hell.
// editor.executeCommand("cmd_deleteToBeginningOfLine", 1);
editor.executeCommand("cmd_selectBeginLine", 1);
if (Editor.getController().isCommandEnabled("cmd_delete"))
editor.executeCommand("cmd_delete", 1);
});
bind(["<C-k>"], "Delete until end of current line",
function () { editor.executeCommand("cmd_deleteToEndOfLine", 1); });
bind(["<C-a>"], "Move cursor to beginning of current line",
function () { editor.executeCommand("cmd_beginLine", 1); });
bind(["<C-e>"], "Move cursor to end of current line",
function () { editor.executeCommand("cmd_endLine", 1); });
bind(["<C-h>"], "Delete character to the left",
function () { events.feedkeys("<BS>", true); });
bind(["<C-d>"], "Delete character to the right",
function () { editor.executeCommand("cmd_deleteCharForward", 1); });
bind(["<S-Insert>"], "Insert clipboard/selection",
function () { editor.pasteClipboard(); });
bind(["<C-i>"], "Edit text field with an external editor",
function () { editor.editFieldExternally(); });
bind(["<C-t>"], "Edit text field in Vi mode",
function () {
dactyl.assert(!editor.isTextEdit && Editor.getEditor(null));
dactyl.assert(dactyl.focusedElement ||
let (f = document.commandDispatcher.focusedWindow.frameElement)
f && Hints.isVisible(f, true));
modes.push(modes.TEXT_EDIT);
});
// Ugh.
mappings.add([modes.INPUT, modes.CARET],
["<*-CR>", "<*-BS>", "<*-Del>", "<*-Left>", "<*-Right>", "<*-Up>", "<*-Down>",
"<*-Home>", "<*-End>", "<*-PageUp>", "<*-PageDown>",
"<M-c>", "<M-v>", "<*-Tab>"],
"Handled by " + config.host,
function () Events.PASS_THROUGH);
mappings.add([modes.INSERT],
["<Space>", "<Return>"], "Expand Insert mode abbreviation",
function () {
editor.expandAbbreviation(modes.INSERT);
return Events.PASS_THROUGH;
});
mappings.add([modes.INSERT],
["<C-]>", "<C-5>"], "Expand Insert mode abbreviation",
function () { editor.expandAbbreviation(modes.INSERT); });
let bind = function bind(names, description, action, params)
mappings.add([modes.TEXT_EDIT], names, description,
action, update({ type: "editor" }, params));
// text edit mode
mappings.add([modes.TEXT_EDIT],
["u"], "Undo changes",
function (args) {
editor.executeCommand("cmd_undo", Math.max(args.count, 1));
editor.unselectText();
},
{ count: true });
mappings.add([modes.TEXT_EDIT],
["<C-r>"], "Redo undone changes",
function (args) {
editor.executeCommand("cmd_redo", Math.max(args.count, 1));
editor.unselectText();
},
{ count: true });
bind(["D"], "Delete the characters under the cursor until the end of the line",
function () { editor.executeCommand("cmd_deleteToEndOfLine"); });
mappings.add([modes.TEXT_EDIT],
["o"], "Open line below current",
function () {
editor.executeCommand("cmd_endLine", 1);
modes.push(modes.INSERT);
events.feedkeys("<Return>");
});
mappings.add([modes.TEXT_EDIT],
["O"], "Open line above current",
function () {
editor.executeCommand("cmd_beginLine", 1);
modes.push(modes.INSERT);
events.feedkeys("<Return>");
editor.executeCommand("cmd_linePrevious", 1);
});
bind(["X"], "Delete character to the left",
function (args) { editor.executeCommand("cmd_deleteCharBackward", Math.max(args.count, 1)); },
{ count: true });
bind(["x"], "Delete character to the right",
function (args) { editor.executeCommand("cmd_deleteCharForward", Math.max(args.count, 1)); },
{ count: true });
// visual mode
mappings.add([modes.CARET, modes.TEXT_EDIT],
["v"], "Start Visual mode",
function () { modes.push(modes.VISUAL); });
mappings.add([modes.VISUAL],
["v", "V"], "End Visual mode",
function () { modes.pop(); });
mappings.add([modes.TEXT_EDIT],
["V"], "Start Visual Line mode",
function () {
modes.push(modes.VISUAL, modes.LINE);
editor.executeCommand("cmd_beginLine", 1);
editor.executeCommand("cmd_selectLineNext", 1);
});
mappings.add([modes.VISUAL],
["c", "s"], "Change selected text",
function () {
dactyl.assert(editor.isTextEdit);
editor.executeCommand("cmd_cut");
modes.push(modes.INSERT);
});
mappings.add([modes.VISUAL],
["d", "x"], "Delete selected text",
function () {
dactyl.assert(editor.isTextEdit);
editor.executeCommand("cmd_cut");
});
mappings.add([modes.VISUAL],
["y"], "Yank selected text",
function () {
if (editor.isTextEdit) {
editor.executeCommand("cmd_copy");
modes.pop();
}
else
dactyl.clipboardWrite(buffer.currentWord, true);
});
bind(["p"], "Paste clipboard contents",
function ({ count }) {
dactyl.assert(!editor.isCaret);
editor.executeCommand("cmd_paste", count || 1);
modes.pop(modes.TEXT_EDIT);
},
{ count: true });
let bind = function bind(names, description, action, params)
mappings.add([modes.TEXT_EDIT, modes.OPERATOR], names, description,
action, update({ type: "editor" }, params));
// finding characters
function offset(backward, before, pos) {
if (!backward && modes.main != modes.TEXT_EDIT)
pos += 1;
if (before)
pos += backward ? +1 : -1;
return pos;
}
bind(["f"], "Move to a character on the current line after the cursor",
function ({ arg, count }) {
let pos = editor.findChar(arg, Math.max(count, 1));
if (pos >= 0)
editor.moveToPosition(offset(false, false, pos), true, modes.main == modes.VISUAL);
},
{ arg: true, count: true, type: "operator" });
bind(["F"], "Move to a character on the current line before the cursor",
function ({ arg, count }) {
let pos = editor.findChar(arg, Math.max(count, 1), true);
if (pos >= 0)
editor.moveToPosition(offset(true, false, pos), false, modes.main == modes.VISUAL);
},
{ arg: true, count: true, type: "operator" });
bind(["t"], "Move before a character on the current line",
function ({ arg, count }) {
let pos = editor.findChar(arg, Math.max(count, 1));
if (pos >= 0)
editor.moveToPosition(offset(false, true, pos), true, modes.main == modes.VISUAL);
},
{ arg: true, count: true, type: "operator" });
bind(["T"], "Move before a character on the current line, backwards",
function ({ arg, count }) {
let pos = editor.findChar(arg, Math.max(count, 1), true);
if (pos >= 0)
editor.moveToPosition(offset(true, true, pos), false, modes.main == modes.VISUAL);
},
{ arg: true, count: true, type: "operator" });
// text edit and visual mode
mappings.add([modes.TEXT_EDIT, modes.VISUAL],
["~"], "Switch case of the character under the cursor and move the cursor to the right",
function ({ count }) {
if (modes.main == modes.VISUAL)
count = Editor.getEditor().selectionEnd - Editor.getEditor().selectionStart;
count = Math.max(count, 1);
// FIXME: do this in one pass?
while (count-- > 0) {
let text = Editor.getEditor().value;
let pos = Editor.getEditor().selectionStart;
dactyl.assert(pos < text.length);
let chr = text[pos];
Editor.getEditor().value = text.substring(0, pos) +
(chr == chr.toLocaleLowerCase() ? chr.toLocaleUpperCase() : chr.toLocaleLowerCase()) +
text.substring(pos + 1);
editor.moveToPosition(pos + 1, true, false);
}
modes.pop(modes.TEXT_EDIT);
},
{ count: true });
let bind = function bind() mappings.add.apply(mappings,
[[modes.AUTOCOMPLETE]].concat(Array.slice(arguments)))
bind(["<Esc>"], "Return to Insert mode",
function () Events.PASS_THROUGH);
bind(["<C-[>"], "Return to Insert mode",
function () { events.feedkeys("<Esc>", { skipmap: true }); });
bind(["<Up>"], "Select the previous autocomplete result",
function () Events.PASS_THROUGH);
bind(["<C-p>"], "Select the previous autocomplete result",
function () { events.feedkeys("<Up>", { skipmap: true }); });
bind(["<Down>"], "Select the next autocomplete result",
function () Events.PASS_THROUGH);
bind(["<C-n>"], "Select the next autocomplete result",
function () { events.feedkeys("<Down>", { skipmap: true }); });
},
options: function () {
options.add(["editor"],
"The external text editor",
"string", 'gvim -f +<line> +"sil! call cursor(0, <column>)" <file>', {
format: function (obj, value) {
let args = commands.parseArgs(value || this.value, { argCount: "*", allowUnknownOptions: true })
.map(util.compileMacro).filter(function (fmt) fmt.valid(obj))
.map(function (fmt) fmt(obj));
if (obj["file"] && !this.has("file"))
args.push(obj["file"]);
return args;
},
has: function (key) Set.has(util.compileMacro(this.value).seen, key),
validator: function (value) {
this.format({}, value);
return Object.keys(util.compileMacro(value).seen).every(function (k) ["column", "file", "line"].indexOf(k) >= 0);
}
});
options.add(["insertmode", "im"],
"Enter Insert mode rather than Text Edit mode when focusing text areas",
"boolean", true);
options.add(["spelllang", "spl"],
"The language used by the spell checker",
"string", config.locale,
{
initValue: function () {},
getter: function getter() {
try {
return services.spell.dictionary || "";
}
catch (e) {
return "";
}
},
setter: function setter(val) { services.spell.dictionary = val; },
completer: function completer(context) {
let res = {};
services.spell.getDictionaryList(res, {});
context.completions = res.value;
context.keys = { text: util.identity, description: util.identity };
}
});
}
});
// vim: set fdm=marker sw=4 ts=4 et: