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Pardon the noise. More tab to space conversion!

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Bryan Ashby 2018-06-22 21:26:46 -06:00
parent c3635bb26b
commit 1d8be6b014
128 changed files with 8017 additions and 8017 deletions
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462
core/multi_line_edit_text_view.js
View file

@ -1,22 +1,22 @@
/* jslint node: true */
'use strict';
const View = require('./view.js').View;
const strUtil = require('./string_util.js');
const ansi = require('./ansi_term.js');
const wordWrapText = require('./word_wrap.js').wordWrapText;
const ansiPrep = require('./ansi_prep.js');
const View = require('./view.js').View;
const strUtil = require('./string_util.js');
const ansi = require('./ansi_term.js');
const wordWrapText = require('./word_wrap.js').wordWrapText;
const ansiPrep = require('./ansi_prep.js');
const assert = require('assert');
const _ = require('lodash');
const assert = require('assert');
const _ = require('lodash');
// :TODO: Determine CTRL-* keys for various things
// See http://www.bbsdocumentary.com/library/PROGRAMS/GRAPHICS/ANSI/bansi.txt
// http://wiki.synchro.net/howto:editor:slyedit#edit_mode
// http://sublime-text-unofficial-documentation.readthedocs.org/en/latest/reference/keyboard_shortcuts_win.html
// :TODO: Determine CTRL-* keys for various things
// See http://www.bbsdocumentary.com/library/PROGRAMS/GRAPHICS/ANSI/bansi.txt
// http://wiki.synchro.net/howto:editor:slyedit#edit_mode
// http://sublime-text-unofficial-documentation.readthedocs.org/en/latest/reference/keyboard_shortcuts_win.html
/* Mystic
[^B] Reformat Paragraph [^O] Show this help file
[^B] Reformat Paragraph [^O] Show this help file
[^I] Insert tab space [^Q] Enter quote mode
[^K] Cut current line of text [^V] Toggle insert/overwrite
[^U] Paste previously cut text [^Y] Delete current line
@ -29,58 +29,58 @@ const _ = require('lodash');
*/
//
// Some other interesting implementations, resources, etc.
// Some other interesting implementations, resources, etc.
//
// Editors - BBS
// * https://github.com/M-griffin/Enthral/blob/master/src/msg_fse.cpp
// Editors - BBS
// * https://github.com/M-griffin/Enthral/blob/master/src/msg_fse.cpp
//
//
// Editors - Other
// * http://joe-editor.sourceforge.net/
// * http://www.jbox.dk/downloads/edit.c
// * https://github.com/dominictarr/hipster
// Editors - Other
// * http://joe-editor.sourceforge.net/
// * http://www.jbox.dk/downloads/edit.c
// * https://github.com/dominictarr/hipster
//
// Implementations - Word Wrap
// * https://github.com/protomouse/synchronet/blob/93b01c55b3102ebc3c4f4793c3a45b8c13d0dc2a/src/sbbs3/wordwrap.c
// Implementations - Word Wrap
// * https://github.com/protomouse/synchronet/blob/93b01c55b3102ebc3c4f4793c3a45b8c13d0dc2a/src/sbbs3/wordwrap.c
//
// Misc notes
// * https://github.com/dominictarr/hipster/issues/15 (Deleting lines/etc.)
// Misc notes
// * https://github.com/dominictarr/hipster/issues/15 (Deleting lines/etc.)
//
// Blessed
// insertLine: CSR(top, bottom) + CUP(y, 0) + IL(1) + CSR(0, height)
// deleteLine: CSR(top, bottom) + CUP(y, 0) + DL(1) + CSR(0, height)
// Quick Ansi -- update only what was changed:
// https://github.com/dominictarr/quickansi
// Blessed
// insertLine: CSR(top, bottom) + CUP(y, 0) + IL(1) + CSR(0, height)
// deleteLine: CSR(top, bottom) + CUP(y, 0) + DL(1) + CSR(0, height)
// Quick Ansi -- update only what was changed:
// https://github.com/dominictarr/quickansi
//
// To-Do
// To-Do
//
// * Index pos % for emit scroll events
// * Some of this should be async'd where there is lots of processing (e.g. word wrap)
// * Fix backspace when col=0 (e.g. bs to prev line)
// * Add word delete (CTRL+????)
// *
// * Index pos % for emit scroll events
// * Some of this should be async'd where there is lots of processing (e.g. word wrap)
// * Fix backspace when col=0 (e.g. bs to prev line)
// * Add word delete (CTRL+????)
// *
const SPECIAL_KEY_MAP_DEFAULT = {
'line feed' : [ 'return' ],
exit : [ 'esc' ],
backspace : [ 'backspace' ],
delete : [ 'delete' ],
tab : [ 'tab' ],
up : [ 'up arrow' ],
down : [ 'down arrow' ],
end : [ 'end' ],
home : [ 'home' ],
left : [ 'left arrow' ],
right : [ 'right arrow' ],
'delete line' : [ 'ctrl + y' ],
'page up' : [ 'page up' ],
'page down' : [ 'page down' ],
insert : [ 'insert', 'ctrl + v' ],
'line feed' : [ 'return' ],
exit : [ 'esc' ],
backspace : [ 'backspace' ],
delete : [ 'delete' ],
tab : [ 'tab' ],
up : [ 'up arrow' ],
down : [ 'down arrow' ],
end : [ 'end' ],
home : [ 'home' ],
left : [ 'left arrow' ],
right : [ 'right arrow' ],
'delete line' : [ 'ctrl + y' ],
'page up' : [ 'page up' ],
'page down' : [ 'page down' ],
insert : [ 'insert', 'ctrl + v' ],
};
exports.MultiLineEditTextView = MultiLineEditTextView;
exports.MultiLineEditTextView = MultiLineEditTextView;
function MultiLineEditTextView(options) {
if(!_.isBoolean(options.acceptsFocus)) {
@ -100,18 +100,18 @@ function MultiLineEditTextView(options) {
var self = this;
//
// ANSI seems to want tabs to default to 8 characters. See the following:
// * http://www.ansi-bbs.org/ansi-bbs2/control_chars/
// * http://www.bbsdocumentary.com/library/PROGRAMS/GRAPHICS/ANSI/bansi.txt
// ANSI seems to want tabs to default to 8 characters. See the following:
// * http://www.ansi-bbs.org/ansi-bbs2/control_chars/
// * http://www.bbsdocumentary.com/library/PROGRAMS/GRAPHICS/ANSI/bansi.txt
//
// This seems overkill though, so let's default to 4 :)
// :TODO: what shoudl this really be? Maybe 8 is OK
// This seems overkill though, so let's default to 4 :)
// :TODO: what shoudl this really be? Maybe 8 is OK
//
this.tabWidth = _.isNumber(options.tabWidth) ? options.tabWidth : 4;
this.tabWidth = _.isNumber(options.tabWidth) ? options.tabWidth : 4;
this.textLines = [ ];
this.topVisibleIndex = 0;
this.mode = options.mode || 'edit'; // edit | preview | read-only
this.textLines = [ ];
this.topVisibleIndex = 0;
this.mode = options.mode || 'edit'; // edit | preview | read-only
if ('preview' === this.mode) {
this.autoScroll = options.autoScroll || true;
@ -121,10 +121,10 @@ function MultiLineEditTextView(options) {
this.tabSwitchesView = options.tabSwitchesView || false;
}
//
// cursorPos represents zero-based row, col positions
// within the editor itself
// cursorPos represents zero-based row, col positions
// within the editor itself
//
this.cursorPos = { col : 0, row : 0 };
this.cursorPos = { col : 0, row : 0 };
this.getSGRFor = function(sgrFor) {
return {
@ -140,7 +140,7 @@ function MultiLineEditTextView(options) {
return 'preview' === self.mode;
};
// :TODO: Most of the calls to this could be avoided via incrementRow(), decrementRow() that keeps track or such
// :TODO: Most of the calls to this could be avoided via incrementRow(), decrementRow() that keeps track or such
this.getTextLinesIndex = function(row) {
if(!_.isNumber(row)) {
row = self.cursorPos.row;
@ -172,34 +172,34 @@ function MultiLineEditTextView(options) {
this.redrawRows = function(startRow, endRow) {
self.toggleTextCursor('hide');
const startIndex = self.getTextLinesIndex(startRow);
const endIndex = Math.min(self.getTextLinesIndex(endRow), self.textLines.length);
const absPos = self.getAbsolutePosition(startRow, 0);
const startIndex = self.getTextLinesIndex(startRow);
const endIndex = Math.min(self.getTextLinesIndex(endRow), self.textLines.length);
const absPos = self.getAbsolutePosition(startRow, 0);
for(let i = startIndex; i < endIndex; ++i) {
//${self.getSGRFor('text')}
self.client.term.write(
`${ansi.goto(absPos.row++, absPos.col)}${self.getRenderText(i)}`,
false // convertLineFeeds
false // convertLineFeeds
);
}
self.toggleTextCursor('show');
return absPos.row - self.position.row; // row we ended on
return absPos.row - self.position.row; // row we ended on
};
this.eraseRows = function(startRow, endRow) {
self.toggleTextCursor('hide');
const absPos = self.getAbsolutePosition(startRow, 0);
const absPosEnd = self.getAbsolutePosition(endRow, 0);
const eraseFiller = ' '.repeat(self.dimens.width);//new Array(self.dimens.width).join(' ');
const absPos = self.getAbsolutePosition(startRow, 0);
const absPosEnd = self.getAbsolutePosition(endRow, 0);
const eraseFiller = ' '.repeat(self.dimens.width);//new Array(self.dimens.width).join(' ');
while(absPos.row < absPosEnd.row) {
self.client.term.write(
`${ansi.goto(absPos.row++, absPos.col)}${eraseFiller}`,
false // convertLineFeeds
false // convertLineFeeds
);
}
@ -213,16 +213,16 @@ function MultiLineEditTextView(options) {
self.eraseRows(lastRow, self.dimens.height);
/*
// :TOOD: create eraseRows(startRow, endRow)
if(lastRow < self.dimens.height) {
var absPos = self.getAbsolutePosition(lastRow, 0);
var empty = new Array(self.dimens.width).join(' ');
while(lastRow++ < self.dimens.height) {
self.client.term.write(ansi.goto(absPos.row++, absPos.col));
self.client.term.write(empty);
}
}
*/
// :TOOD: create eraseRows(startRow, endRow)
if(lastRow < self.dimens.height) {
var absPos = self.getAbsolutePosition(lastRow, 0);
var empty = new Array(self.dimens.width).join(' ');
while(lastRow++ < self.dimens.height) {
self.client.term.write(ansi.goto(absPos.row++, absPos.col));
self.client.term.write(empty);
}
}
*/
};
this.getVisibleText = function(index) {
@ -262,12 +262,12 @@ function MultiLineEditTextView(options) {
};
this.getRenderText = function(index) {
let text = self.getVisibleText(index);
const remain = self.dimens.width - text.length;
let text = self.getVisibleText(index);
const remain = self.dimens.width - text.length;
if(remain > 0) {
text += ' '.repeat(remain + 1);
// text += new Array(remain + 1).join(' ');
// text += new Array(remain + 1).join(' ');
}
return text;
@ -278,15 +278,15 @@ function MultiLineEditTextView(options) {
if(startIndex === endIndex) {
lines = [ self.textLines[startIndex] ];
} else {
lines = self.textLines.slice(startIndex, endIndex + 1); // "slice extracts up to but not including end."
lines = self.textLines.slice(startIndex, endIndex + 1); // "slice extracts up to but not including end."
}
return lines;
};
this.getOutputText = function(startIndex, endIndex, eolMarker, options) {
const lines = self.getTextLines(startIndex, endIndex);
let text = '';
const re = new RegExp('\\t{1,' + (self.tabWidth) + '}', 'g');
const lines = self.getTextLines(startIndex, endIndex);
let text = '';
const re = new RegExp('\\t{1,' + (self.tabWidth) + '}', 'g');
lines.forEach(line => {
text += line.text.replace(re, '\t');
@ -317,28 +317,28 @@ function MultiLineEditTextView(options) {
};
/*
this.editTextAtPosition = function(editAction, text, index, col) {
switch(editAction) {
case 'insert' :
self.insertCharactersInText(text, index, col);
break;
this.editTextAtPosition = function(editAction, text, index, col) {
switch(editAction) {
case 'insert' :
self.insertCharactersInText(text, index, col);
break;
case 'deleteForward' :
break;
case 'deleteForward' :
break;
case 'deleteBack' :
break;
case 'deleteBack' :
break;
case 'replace' :
break;
}
};
*/
case 'replace' :
break;
}
};
*/
this.updateTextWordWrap = function(index) {
const nextEolIndex = self.getNextEndOfLineIndex(index);
const wrapped = self.wordWrapSingleLine(self.getContiguousText(index, nextEolIndex), 'tabsIntact');
const newLines = wrapped.wrapped.map(l => { return { text : l }; } );
const nextEolIndex = self.getNextEndOfLineIndex(index);
const wrapped = self.wordWrapSingleLine(self.getContiguousText(index, nextEolIndex), 'tabsIntact');
const newLines = wrapped.wrapped.map(l => { return { text : l }; } );
newLines[newLines.length - 1].eol = true;
@ -352,17 +352,17 @@ function MultiLineEditTextView(options) {
this.removeCharactersFromText = function(index, col, operation, count) {
if('delete' === operation) {
self.textLines[index].text =
self.textLines[index].text.slice(0, col) +
self.textLines[index].text.slice(col + count);
self.textLines[index].text.slice(0, col) +
self.textLines[index].text.slice(col + count);
self.updateTextWordWrap(index);
self.redrawRows(self.cursorPos.row, self.dimens.height);
self.moveClientCursorToCursorPos();
} else if ('backspace' === operation) {
// :TODO: method for splicing text
// :TODO: method for splicing text
self.textLines[index].text =
self.textLines[index].text.slice(0, col - (count - 1)) +
self.textLines[index].text.slice(col + 1);
self.textLines[index].text.slice(0, col - (count - 1)) +
self.textLines[index].text.slice(col + 1);
self.cursorPos.col -= (count - 1);
@ -372,14 +372,14 @@ function MultiLineEditTextView(options) {
self.moveClientCursorToCursorPos();
} else if('delete line' === operation) {
//
// Delete a visible line. Note that this is *not* the "physical" line, or
// 1:n entries up to eol! This is to keep consistency with home/end, and
// some other text editors such as nano. Sublime for example want to
// treat all of these things using the physical approach, but this seems
// a bit odd in this context.
// Delete a visible line. Note that this is *not* the "physical" line, or
// 1:n entries up to eol! This is to keep consistency with home/end, and
// some other text editors such as nano. Sublime for example want to
// treat all of these things using the physical approach, but this seems
// a bit odd in this context.
//
var isLastLine = (index === self.textLines.length - 1);
var hadEol = self.textLines[index].eol;
var isLastLine = (index === self.textLines.length - 1);
var hadEol = self.textLines[index].eol;
self.textLines.splice(index, 1);
if(hadEol && self.textLines.length > index && !self.textLines[index].eol) {
@ -387,11 +387,11 @@ function MultiLineEditTextView(options) {
}
//
// Create a empty edit buffer if necessary
// :TODO: Make this a method
// Create a empty edit buffer if necessary
// :TODO: Make this a method
if(self.textLines.length < 1) {
self.textLines = [ { text : '', eol : true } ];
isLastLine = false; // resetting
isLastLine = false; // resetting
}
self.cursorPos.col = 0;
@ -400,7 +400,7 @@ function MultiLineEditTextView(options) {
self.eraseRows(lastRow, self.dimens.height);
//
// If we just deleted the last line in the buffer, move up
// If we just deleted the last line in the buffer, move up
//
if(isLastLine) {
self.cursorEndOfPreviousLine();
@ -411,8 +411,8 @@ function MultiLineEditTextView(options) {
};
this.insertCharactersInText = function(c, index, col) {
const prevTextLength = self.getTextLength(index);
let editingEol = self.cursorPos.col === prevTextLength;
const prevTextLength = self.getTextLength(index);
let editingEol = self.cursorPos.col === prevTextLength;
self.textLines[index].text = [
self.textLines[index].text.slice(0, col),
@ -424,43 +424,43 @@ function MultiLineEditTextView(options) {
if(self.getTextLength(index) > self.dimens.width) {
//
// Update word wrapping and |cursorOffset| if the cursor
// was within the bounds of the wrapped text
// Update word wrapping and |cursorOffset| if the cursor
// was within the bounds of the wrapped text
//
let cursorOffset;
const lastCol = self.cursorPos.col - c.length;
const firstWrapRange = self.updateTextWordWrap(index);
const lastCol = self.cursorPos.col - c.length;
const firstWrapRange = self.updateTextWordWrap(index);
if(lastCol >= firstWrapRange.start && lastCol <= firstWrapRange.end) {
cursorOffset = self.cursorPos.col - firstWrapRange.start;
editingEol = true; //override
editingEol = true; //override
} else {
cursorOffset = firstWrapRange.end;
}
// redraw from current row to end of visible area
// redraw from current row to end of visible area
self.redrawRows(self.cursorPos.row, self.dimens.height);
// If we're editing mid, we're done here. Else, we need to
// move the cursor to the new editing position after a wrap
// If we're editing mid, we're done here. Else, we need to
// move the cursor to the new editing position after a wrap
if(editingEol) {
self.cursorBeginOfNextLine();
self.cursorPos.col += cursorOffset;
self.client.term.rawWrite(ansi.right(cursorOffset));
} else {
// adjust cursor after drawing new rows
// adjust cursor after drawing new rows
const absPos = self.getAbsolutePosition(self.cursorPos.row, self.cursorPos.col);
self.client.term.rawWrite(ansi.goto(absPos.row, absPos.col));
}
} else {
//
// We must only redraw from col -> end of current visible line
// We must only redraw from col -> end of current visible line
//
const absPos = self.getAbsolutePosition(self.cursorPos.row, self.cursorPos.col);
const renderText = self.getRenderText(index).slice(self.cursorPos.col - c.length);
self.client.term.write(
`${ansi.hideCursor()}${self.getSGRFor('text')}${renderText}${ansi.goto(absPos.row, absPos.col)}${ansi.showCursor()}`,
false // convertLineFeeds
false // convertLineFeeds
);
}
};
@ -502,24 +502,24 @@ function MultiLineEditTextView(options) {
return wordWrapText(
line,
{
width : self.dimens.width,
tabHandling : tabHandling,
tabWidth : self.tabWidth,
tabChar : '\t',
width : self.dimens.width,
tabHandling : tabHandling,
tabWidth : self.tabWidth,
tabChar : '\t',
}
);
};
this.setTextLines = function(lines, index, termWithEol) {
if(0 === index && (0 === self.textLines.length || (self.textLines.length === 1 && '' === self.textLines[0].text) )) {
// quick path: just set the things
// quick path: just set the things
self.textLines = lines.slice(0, -1).map(l => {
return { text : l };
}).concat( { text : lines[lines.length - 1], eol : termWithEol } );
} else {
// insert somewhere in textLines...
// insert somewhere in textLines...
if(index > self.textLines.length) {
// fill with empty
// fill with empty
self.textLines.splice(
self.textLines.length,
0,
@ -547,7 +547,7 @@ function MultiLineEditTextView(options) {
let index = 0;
text.forEach(line => {
self.setTextLines( [ line ], index, true); // true=termWithEol
self.setTextLines( [ line ], index, true); // true=termWithEol
index += 1;
});
@ -565,12 +565,12 @@ function MultiLineEditTextView(options) {
ansiPrep(
ansi,
{
termWidth : this.client.term.termWidth,
termHeight : this.client.term.termHeight,
cols : this.dimens.width,
rows : 'auto',
startCol : this.position.col,
forceLineTerm : options.forceLineTerm,
termWidth : this.client.term.termWidth,
termHeight : this.client.term.termHeight,
cols : this.dimens.width,
rows : 'auto',
startCol : this.position.col,
forceLineTerm : options.forceLineTerm,
},
(err, preppedAnsi) => {
return setLines(err ? ansi : preppedAnsi);
@ -580,31 +580,31 @@ function MultiLineEditTextView(options) {
this.insertRawText = function(text, index, col) {
//
// Perform the following on |text|:
// * Normalize various line feed formats -> \n
// * Remove some control characters (e.g. \b)
// * Word wrap lines such that they fit in the visible workspace.
// Each actual line will then take 1:n elements in textLines[].
// * Each tab will be appropriately expanded and take 1:n \t
// characters. This allows us to know when we're in tab space
// when doing cursor movement/etc.
// Perform the following on |text|:
// * Normalize various line feed formats -> \n
// * Remove some control characters (e.g. \b)
// * Word wrap lines such that they fit in the visible workspace.
// Each actual line will then take 1:n elements in textLines[].
// * Each tab will be appropriately expanded and take 1:n \t
// characters. This allows us to know when we're in tab space
// when doing cursor movement/etc.
//
//
// Try to handle any possible newline that can be fed to us.
// See http://stackoverflow.com/questions/5034781/js-regex-to-split-by-line
// Try to handle any possible newline that can be fed to us.
// See http://stackoverflow.com/questions/5034781/js-regex-to-split-by-line
//
// :TODO: support index/col insertion point
// :TODO: support index/col insertion point
if(_.isNumber(index)) {
if(_.isNumber(col)) {
//
// Modify text to have information from index
// before and and after column
// Modify text to have information from index
// before and and after column
//
// :TODO: Need to clean this string (e.g. collapse tabs)
// :TODO: Need to clean this string (e.g. collapse tabs)
text = self.textLines;
// :TODO: Remove original line @ index
// :TODO: Remove original line @ index
}
} else {
index = self.textLines.length;
@ -616,7 +616,7 @@ function MultiLineEditTextView(options) {
text.forEach(line => {
wrapped = self.wordWrapSingleLine(line, 'expand').wrapped;
self.setTextLines(wrapped, index, true); // true=termWithEol
self.setTextLines(wrapped, index, true); // true=termWithEol
index += wrapped.length;
});
};
@ -638,16 +638,16 @@ function MultiLineEditTextView(options) {
var index = self.getTextLinesIndex();
//
// :TODO: stuff that needs to happen
// * Break up into smaller methods
// * Even in overtype mode, word wrapping must apply if past bounds
// * A lot of this can be used for backspacing also
// * See how Sublime treats tabs in *non* overtype mode... just overwrite them?
// :TODO: stuff that needs to happen
// * Break up into smaller methods
// * Even in overtype mode, word wrapping must apply if past bounds
// * A lot of this can be used for backspacing also
// * See how Sublime treats tabs in *non* overtype mode... just overwrite them?
//
//
if(self.overtypeMode) {
// :TODO: special handing for insert over eol mark?
// :TODO: special handing for insert over eol mark?
self.replaceCharacterInText(c, index, self.cursorPos.col);
self.cursorPos.col++;
self.client.term.write(c);
@ -754,7 +754,7 @@ function MultiLineEditTextView(options) {
self.adjustCursorIfPastEndOfLine(true);
} else {
self.cursorPos.row = 0;
self.moveClientCursorToCursorPos(); // :TODO: ajust if eol, etc.
self.moveClientCursorToCursorPos(); // :TODO: ajust if eol, etc.
}
self.emitEditPosition();
@ -773,13 +773,13 @@ function MultiLineEditTextView(options) {
this.keyPressLineFeed = function() {
//
// Break up text from cursor position, redraw, and update cursor
// position to start of next line
// Break up text from cursor position, redraw, and update cursor
// position to start of next line
//
var index = self.getTextLinesIndex();
var nextEolIndex = self.getNextEndOfLineIndex(index);
var text = self.getContiguousText(index, nextEolIndex);
const newLines = self.wordWrapSingleLine(text.slice(self.cursorPos.col), 'tabsIntact').wrapped;
var index = self.getTextLinesIndex();
var nextEolIndex = self.getNextEndOfLineIndex(index);
var text = self.getContiguousText(index, nextEolIndex);
const newLines = self.wordWrapSingleLine(text.slice(self.cursorPos.col), 'tabsIntact').wrapped;
newLines.unshift( { text : text.slice(0, self.cursorPos.col), eol : true } );
for(var i = 1; i < newLines.length; ++i) {
@ -791,7 +791,7 @@ function MultiLineEditTextView(options) {
self.textLines,
[ index, (nextEolIndex - index) + 1 ].concat(newLines));
// redraw from current row to end of visible area
// redraw from current row to end of visible area
self.redrawRows(self.cursorPos.row, self.dimens.height);
self.cursorBeginOfNextLine();
@ -812,8 +812,8 @@ function MultiLineEditTextView(options) {
this.keyPressBackspace = function() {
if(self.cursorPos.col >= 1) {
//
// Don't want to delete character at cursor, but rather the character
// to the left of the cursor!
// Don't want to delete character at cursor, but rather the character
// to the left of the cursor!
//
self.cursorPos.col -= 1;
@ -842,12 +842,12 @@ function MultiLineEditTextView(options) {
count);
} else {
//
// Delete character at end of line previous.
// * This may be a eol marker
// * Word wrapping will need re-applied
// Delete character at end of line previous.
// * This may be a eol marker
// * Word wrapping will need re-applied
//
// :TODO: apply word wrapping such that text can be re-adjusted if it can now fit on prev
self.keyPressLeft(); // same as hitting left - jump to previous line
// :TODO: apply word wrapping such that text can be re-adjusted if it can now fit on prev
self.keyPressLeft(); // same as hitting left - jump to previous line
//self.keyPressBackspace();
}
@ -859,7 +859,7 @@ function MultiLineEditTextView(options) {
if(0 === self.cursorPos.col && 0 === self.textLines[lineIndex].text.length && self.textLines.length > 0) {
//
// Start of line and nothing left. Just delete the line
// Start of line and nothing left. Just delete the line
//
self.removeCharactersFromText(
lineIndex,
@ -906,7 +906,7 @@ function MultiLineEditTextView(options) {
var move;
switch(direction) {
//
// Next tabstop to the right
// Next tabstop to the right
//
case 'right' :
move = self.getNextTabStop(self.cursorPos.col) - self.cursorPos.col;
@ -915,7 +915,7 @@ function MultiLineEditTextView(options) {
break;
//
// Next tabstop to the left
// Next tabstop to the left
//
case 'left' :
move = self.cursorPos.col - self.getPrevTabStop(self.cursorPos.col);
@ -926,7 +926,7 @@ function MultiLineEditTextView(options) {
case 'up' :
case 'down' :
//
// Jump to the tabstop nearest the cursor
// Jump to the tabstop nearest the cursor
//
var newCol = self.tabStops.reduce(function r(prev, curr) {
return (Math.abs(curr - self.cursorPos.col) < Math.abs(prev - self.cursorPos.col) ? curr : prev);
@ -946,43 +946,43 @@ function MultiLineEditTextView(options) {
return true;
}
return false; // did not fall on a tab
return false; // did not fall on a tab
};
this.cursorStartOfDocument = function() {
self.topVisibleIndex = 0;
self.cursorPos = { row : 0, col : 0 };
self.topVisibleIndex = 0;
self.cursorPos = { row : 0, col : 0 };
self.redraw();
self.moveClientCursorToCursorPos();
};
this.cursorEndOfDocument = function() {
self.topVisibleIndex = Math.max(self.textLines.length - self.dimens.height, 0);
self.cursorPos.row = (self.textLines.length - self.topVisibleIndex) - 1;
self.cursorPos.col = self.getTextEndOfLineColumn();
self.topVisibleIndex = Math.max(self.textLines.length - self.dimens.height, 0);
self.cursorPos.row = (self.textLines.length - self.topVisibleIndex) - 1;
self.cursorPos.col = self.getTextEndOfLineColumn();
self.redraw();
self.moveClientCursorToCursorPos();
};
this.cursorBeginOfNextLine = function() {
// e.g. when scrolling right past eol
// e.g. when scrolling right past eol
var linesBelow = self.getRemainingLinesBelowRow();
if(linesBelow > 0) {
var lastVisibleRow = Math.min(self.dimens.height, self.textLines.length) - 1;
var lastVisibleRow = Math.min(self.dimens.height, self.textLines.length) - 1;
if(self.cursorPos.row < lastVisibleRow) {
self.cursorPos.row++;
} else {
self.scrollDocumentUp();
}
self.keyPressHome(); // same as pressing 'home'
self.keyPressHome(); // same as pressing 'home'
}
};
this.cursorEndOfPreviousLine = function() {
// e.g. when scrolling left past start of line
// e.g. when scrolling left past start of line
var moveToEnd;
if(self.cursorPos.row > 0) {
self.cursorPos.row--;
@ -993,30 +993,30 @@ function MultiLineEditTextView(options) {
}
if(moveToEnd) {
self.keyPressEnd(); // same as pressing 'end'
self.keyPressEnd(); // same as pressing 'end'
}
};
/*
this.cusorEndOfNextLine = function() {
var linesBelow = self.getRemainingLinesBelowRow();
this.cusorEndOfNextLine = function() {
var linesBelow = self.getRemainingLinesBelowRow();
if(linesBelow > 0) {
var lastVisibleRow = Math.min(self.dimens.height, self.textLines.length) - 1;
if(self.cursorPos.row < lastVisibleRow) {
self.cursorPos.row++;
} else {
self.scrollDocumentUp();
}
self.keyPressEnd(); // same as pressing 'end'
}
};
*/
if(linesBelow > 0) {
var lastVisibleRow = Math.min(self.dimens.height, self.textLines.length) - 1;
if(self.cursorPos.row < lastVisibleRow) {
self.cursorPos.row++;
} else {
self.scrollDocumentUp();
}
self.keyPressEnd(); // same as pressing 'end'
}
};
*/
this.scrollDocumentUp = function() {
//
// Note: We scroll *up* when the cursor goes *down* beyond
// the visible area!
// Note: We scroll *up* when the cursor goes *down* beyond
// the visible area!
//
var linesBelow = self.getRemainingLinesBelowRow();
if(linesBelow > 0) {
@ -1027,8 +1027,8 @@ function MultiLineEditTextView(options) {
this.scrollDocumentDown = function() {
//
// Note: We scroll *down* when the cursor goes *up* beyond
// the visible area!
// Note: We scroll *down* when the cursor goes *up* beyond
// the visible area!
//
if(self.topVisibleIndex > 0) {
self.topVisibleIndex--;
@ -1037,7 +1037,7 @@ function MultiLineEditTextView(options) {
};
this.emitEditPosition = function() {
self.emit('edit position', self.getEditPosition());
self.emit('edit position', self.getEditPosition());
};
this.toggleTextEditMode = function() {
@ -1045,7 +1045,7 @@ function MultiLineEditTextView(options) {
self.emit('text edit mode', self.getTextEditMode());
};
this.insertRawText(''); // init to blank/empty
this.insertRawText(''); // init to blank/empty
}
require('util').inherits(MultiLineEditTextView, View);
@ -1074,11 +1074,11 @@ MultiLineEditTextView.prototype.setText = function(text, options = { scrollMode
this.addText(text, options);
/*this.insertRawText(text);
if(this.isEditMode()) {
this.cursorEndOfDocument();
} else if(this.isPreviewMode()) {
this.cursorStartOfDocument();
}*/
if(this.isEditMode()) {
this.cursorEndOfDocument();
} else if(this.isPreviewMode()) {
this.cursorStartOfDocument();
}*/
};
MultiLineEditTextView.prototype.setAnsi = function(ansi, options = { prepped : false }, cb) {
@ -1116,14 +1116,14 @@ MultiLineEditTextView.prototype.getData = function(options = { forceLineTerms :
MultiLineEditTextView.prototype.setPropertyValue = function(propName, value) {
switch(propName) {
case 'mode' :
case 'mode' :
this.mode = value;
if('preview' === value && !this.specialKeyMap.next) {
this.specialKeyMap.next = [ 'tab' ];
}
break;
case 'autoScroll' :
case 'autoScroll' :
this.autoScroll = value;
break;
@ -1205,9 +1205,9 @@ MultiLineEditTextView.prototype.getEditPosition = function() {
var currentIndex = this.getTextLinesIndex() + 1;
return {
row : this.getTextLinesIndex(this.cursorPos.row),
col : this.cursorPos.col,
percent : Math.floor(((currentIndex / this.textLines.length) * 100)),
below : this.getRemainingLinesBelowRow(),
row : this.getTextLinesIndex(this.cursorPos.row),
col : this.cursorPos.col,
percent : Math.floor(((currentIndex / this.textLines.length) * 100)),
below : this.getRemainingLinesBelowRow(),
};
};