big-moving.ru/api/soft/ajaxorg/lib/ace/multi_select.js

981 lines
34 KiB
JavaScript
Executable File

/* ***** BEGIN LICENSE BLOCK *****
* Distributed under the BSD license:
*
* Copyright (c) 2010, Ajax.org B.V.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Ajax.org B.V. nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ***** END LICENSE BLOCK ***** */
define(function(require, exports, module) {
var RangeList = require("./range_list").RangeList;
var Range = require("./range").Range;
var Selection = require("./selection").Selection;
var onMouseDown = require("./mouse/multi_select_handler").onMouseDown;
var event = require("./lib/event");
var lang = require("./lib/lang");
var commands = require("./commands/multi_select_commands");
exports.commands = commands.defaultCommands.concat(commands.multiSelectCommands);
// Todo: session.find or editor.findVolatile that returns range
var Search = require("./search").Search;
var search = new Search();
function find(session, needle, dir) {
search.$options.wrap = true;
search.$options.needle = needle;
search.$options.backwards = dir == -1;
return search.find(session);
}
// extend EditSession
var EditSession = require("./edit_session").EditSession;
(function() {
this.getSelectionMarkers = function() {
return this.$selectionMarkers;
};
}).call(EditSession.prototype);
// extend Selection
(function() {
// list of ranges in reverse addition order
this.ranges = null;
// automatically sorted list of ranges
this.rangeList = null;
/**
* Adds a range to a selection by entering multiselect mode, if necessary.
* @param {Range} range The new range to add
* @param {Boolean} $blockChangeEvents Whether or not to block changing events
* @method Selection.addRange
**/
this.addRange = function(range, $blockChangeEvents) {
if (!range)
return;
if (!this.inMultiSelectMode && this.rangeCount === 0) {
var oldRange = this.toOrientedRange();
this.rangeList.add(oldRange);
this.rangeList.add(range);
if (this.rangeList.ranges.length != 2) {
this.rangeList.removeAll();
return $blockChangeEvents || this.fromOrientedRange(range);
}
this.rangeList.removeAll();
this.rangeList.add(oldRange);
this.$onAddRange(oldRange);
}
if (!range.cursor)
range.cursor = range.end;
var removed = this.rangeList.add(range);
this.$onAddRange(range);
if (removed.length)
this.$onRemoveRange(removed);
if (this.rangeCount > 1 && !this.inMultiSelectMode) {
this._signal("multiSelect");
this.inMultiSelectMode = true;
this.session.$undoSelect = false;
this.rangeList.attach(this.session);
}
return $blockChangeEvents || this.fromOrientedRange(range);
};
/**
* @method Selection.toSingleRange
**/
this.toSingleRange = function(range) {
range = range || this.ranges[0];
var removed = this.rangeList.removeAll();
if (removed.length)
this.$onRemoveRange(removed);
range && this.fromOrientedRange(range);
};
/**
* Removes a Range containing pos (if it exists).
* @param {Range} pos The position to remove, as a `{row, column}` object
* @method Selection.substractPoint
**/
this.substractPoint = function(pos) {
var removed = this.rangeList.substractPoint(pos);
if (removed) {
this.$onRemoveRange(removed);
return removed[0];
}
};
/**
* Merges overlapping ranges ensuring consistency after changes
* @method Selection.mergeOverlappingRanges
**/
this.mergeOverlappingRanges = function() {
var removed = this.rangeList.merge();
if (removed.length)
this.$onRemoveRange(removed);
};
this.$onAddRange = function(range) {
this.rangeCount = this.rangeList.ranges.length;
this.ranges.unshift(range);
this._signal("addRange", {range: range});
};
this.$onRemoveRange = function(removed) {
this.rangeCount = this.rangeList.ranges.length;
if (this.rangeCount == 1 && this.inMultiSelectMode) {
var lastRange = this.rangeList.ranges.pop();
removed.push(lastRange);
this.rangeCount = 0;
}
for (var i = removed.length; i--; ) {
var index = this.ranges.indexOf(removed[i]);
this.ranges.splice(index, 1);
}
this._signal("removeRange", {ranges: removed});
if (this.rangeCount === 0 && this.inMultiSelectMode) {
this.inMultiSelectMode = false;
this._signal("singleSelect");
this.session.$undoSelect = true;
this.rangeList.detach(this.session);
}
lastRange = lastRange || this.ranges[0];
if (lastRange && !lastRange.isEqual(this.getRange()))
this.fromOrientedRange(lastRange);
};
// adds multicursor support to selection
this.$initRangeList = function() {
if (this.rangeList)
return;
this.rangeList = new RangeList();
this.ranges = [];
this.rangeCount = 0;
};
/**
* Returns a concatenation of all the ranges.
* @returns {Array}
* @method Selection.getAllRanges
**/
this.getAllRanges = function() {
return this.rangeCount ? this.rangeList.ranges.concat() : [this.getRange()];
};
/**
* Splits all the ranges into lines.
* @method Selection.splitIntoLines
**/
this.splitIntoLines = function () {
if (this.rangeCount > 1) {
var ranges = this.rangeList.ranges;
var lastRange = ranges[ranges.length - 1];
var range = Range.fromPoints(ranges[0].start, lastRange.end);
this.toSingleRange();
this.setSelectionRange(range, lastRange.cursor == lastRange.start);
} else {
var range = this.getRange();
var isBackwards = this.isBackwards();
var startRow = range.start.row;
var endRow = range.end.row;
if (startRow == endRow) {
if (isBackwards)
var start = range.end, end = range.start;
else
var start = range.start, end = range.end;
this.addRange(Range.fromPoints(end, end));
this.addRange(Range.fromPoints(start, start));
return;
}
var rectSel = [];
var r = this.getLineRange(startRow, true);
r.start.column = range.start.column;
rectSel.push(r);
for (var i = startRow + 1; i < endRow; i++)
rectSel.push(this.getLineRange(i, true));
r = this.getLineRange(endRow, true);
r.end.column = range.end.column;
rectSel.push(r);
rectSel.forEach(this.addRange, this);
}
};
/**
* @method Selection.toggleBlockSelection
**/
this.toggleBlockSelection = function () {
if (this.rangeCount > 1) {
var ranges = this.rangeList.ranges;
var lastRange = ranges[ranges.length - 1];
var range = Range.fromPoints(ranges[0].start, lastRange.end);
this.toSingleRange();
this.setSelectionRange(range, lastRange.cursor == lastRange.start);
} else {
var cursor = this.session.documentToScreenPosition(this.cursor);
var anchor = this.session.documentToScreenPosition(this.anchor);
var rectSel = this.rectangularRangeBlock(cursor, anchor);
rectSel.forEach(this.addRange, this);
}
};
/**
*
* Gets list of ranges composing rectangular block on the screen
*
* @param {Cursor} screenCursor The cursor to use
* @param {Anchor} screenAnchor The anchor to use
* @param {Boolean} includeEmptyLines If true, this includes ranges inside the block which are empty due to clipping
* @returns {Range}
* @method Selection.rectangularRangeBlock
**/
this.rectangularRangeBlock = function(screenCursor, screenAnchor, includeEmptyLines) {
var rectSel = [];
var xBackwards = screenCursor.column < screenAnchor.column;
if (xBackwards) {
var startColumn = screenCursor.column;
var endColumn = screenAnchor.column;
var startOffsetX = screenCursor.offsetX;
var endOffsetX = screenAnchor.offsetX;
} else {
var startColumn = screenAnchor.column;
var endColumn = screenCursor.column;
var startOffsetX = screenAnchor.offsetX;
var endOffsetX = screenCursor.offsetX;
}
var yBackwards = screenCursor.row < screenAnchor.row;
if (yBackwards) {
var startRow = screenCursor.row;
var endRow = screenAnchor.row;
} else {
var startRow = screenAnchor.row;
var endRow = screenCursor.row;
}
if (startColumn < 0)
startColumn = 0;
if (startRow < 0)
startRow = 0;
if (startRow == endRow)
includeEmptyLines = true;
var docEnd;
for (var row = startRow; row <= endRow; row++) {
var range = Range.fromPoints(
this.session.screenToDocumentPosition(row, startColumn, startOffsetX),
this.session.screenToDocumentPosition(row, endColumn, endOffsetX)
);
if (range.isEmpty()) {
if (docEnd && isSamePoint(range.end, docEnd))
break;
docEnd = range.end;
}
range.cursor = xBackwards ? range.start : range.end;
rectSel.push(range);
}
if (yBackwards)
rectSel.reverse();
if (!includeEmptyLines) {
var end = rectSel.length - 1;
while (rectSel[end].isEmpty() && end > 0)
end--;
if (end > 0) {
var start = 0;
while (rectSel[start].isEmpty())
start++;
}
for (var i = end; i >= start; i--) {
if (rectSel[i].isEmpty())
rectSel.splice(i, 1);
}
}
return rectSel;
};
}).call(Selection.prototype);
// extend Editor
var Editor = require("./editor").Editor;
(function() {
/**
*
* Updates the cursor and marker layers.
* @method Editor.updateSelectionMarkers
*
**/
this.updateSelectionMarkers = function() {
this.renderer.updateCursor();
this.renderer.updateBackMarkers();
};
/**
* Adds the selection and cursor.
* @param {Range} orientedRange A range containing a cursor
* @returns {Range}
* @method Editor.addSelectionMarker
**/
this.addSelectionMarker = function(orientedRange) {
if (!orientedRange.cursor)
orientedRange.cursor = orientedRange.end;
var style = this.getSelectionStyle();
orientedRange.marker = this.session.addMarker(orientedRange, "ace_selection", style);
this.session.$selectionMarkers.push(orientedRange);
this.session.selectionMarkerCount = this.session.$selectionMarkers.length;
return orientedRange;
};
/**
* Removes the selection marker.
* @param {Range} range The selection range added with [[Editor.addSelectionMarker `addSelectionMarker()`]].
* @method Editor.removeSelectionMarker
**/
this.removeSelectionMarker = function(range) {
if (!range.marker)
return;
this.session.removeMarker(range.marker);
var index = this.session.$selectionMarkers.indexOf(range);
if (index != -1)
this.session.$selectionMarkers.splice(index, 1);
this.session.selectionMarkerCount = this.session.$selectionMarkers.length;
};
this.removeSelectionMarkers = function(ranges) {
var markerList = this.session.$selectionMarkers;
for (var i = ranges.length; i--; ) {
var range = ranges[i];
if (!range.marker)
continue;
this.session.removeMarker(range.marker);
var index = markerList.indexOf(range);
if (index != -1)
markerList.splice(index, 1);
}
this.session.selectionMarkerCount = markerList.length;
};
this.$onAddRange = function(e) {
this.addSelectionMarker(e.range);
this.renderer.updateCursor();
this.renderer.updateBackMarkers();
};
this.$onRemoveRange = function(e) {
this.removeSelectionMarkers(e.ranges);
this.renderer.updateCursor();
this.renderer.updateBackMarkers();
};
this.$onMultiSelect = function(e) {
if (this.inMultiSelectMode)
return;
this.inMultiSelectMode = true;
this.setStyle("ace_multiselect");
this.keyBinding.addKeyboardHandler(commands.keyboardHandler);
this.commands.setDefaultHandler("exec", this.$onMultiSelectExec);
this.renderer.updateCursor();
this.renderer.updateBackMarkers();
};
this.$onSingleSelect = function(e) {
if (this.session.multiSelect.inVirtualMode)
return;
this.inMultiSelectMode = false;
this.unsetStyle("ace_multiselect");
this.keyBinding.removeKeyboardHandler(commands.keyboardHandler);
this.commands.removeDefaultHandler("exec", this.$onMultiSelectExec);
this.renderer.updateCursor();
this.renderer.updateBackMarkers();
this._emit("changeSelection");
};
this.$onMultiSelectExec = function(e) {
var command = e.command;
var editor = e.editor;
if (!editor.multiSelect)
return;
if (!command.multiSelectAction) {
var result = command.exec(editor, e.args || {});
editor.multiSelect.addRange(editor.multiSelect.toOrientedRange());
editor.multiSelect.mergeOverlappingRanges();
} else if (command.multiSelectAction == "forEach") {
result = editor.forEachSelection(command, e.args);
} else if (command.multiSelectAction == "forEachLine") {
result = editor.forEachSelection(command, e.args, true);
} else if (command.multiSelectAction == "single") {
editor.exitMultiSelectMode();
result = command.exec(editor, e.args || {});
} else {
result = command.multiSelectAction(editor, e.args || {});
}
return result;
};
/**
* Executes a command for each selection range.
* @param {Object} cmd The command to execute
* @param {String} args Any arguments for the command
* @method Editor.forEachSelection
**/
this.forEachSelection = function(cmd, args, options) {
if (this.inVirtualSelectionMode)
return;
var keepOrder = options && options.keepOrder;
var $byLines = options == true || options && options.$byLines;
var session = this.session;
var selection = this.selection;
var rangeList = selection.rangeList;
var ranges = (keepOrder ? selection : rangeList).ranges;
var result;
if (!ranges.length)
return cmd.exec ? cmd.exec(this, args || {}) : cmd(this, args || {});
var reg = selection._eventRegistry;
selection._eventRegistry = {};
var tmpSel = new Selection(session);
this.inVirtualSelectionMode = true;
for (var i = ranges.length; i--;) {
if ($byLines) {
while (i > 0 && ranges[i].start.row == ranges[i - 1].end.row)
i--;
}
tmpSel.fromOrientedRange(ranges[i]);
tmpSel.index = i;
this.selection = session.selection = tmpSel;
var cmdResult = cmd.exec ? cmd.exec(this, args || {}) : cmd(this, args || {});
if (!result && cmdResult !== undefined)
result = cmdResult;
tmpSel.toOrientedRange(ranges[i]);
}
tmpSel.detach();
this.selection = session.selection = selection;
this.inVirtualSelectionMode = false;
selection._eventRegistry = reg;
selection.mergeOverlappingRanges();
if (selection.ranges[0])
selection.fromOrientedRange(selection.ranges[0]);
var anim = this.renderer.$scrollAnimation;
this.onCursorChange();
this.onSelectionChange();
if (anim && anim.from == anim.to)
this.renderer.animateScrolling(anim.from);
return result;
};
/**
* Removes all the selections except the last added one.
* @method Editor.exitMultiSelectMode
**/
this.exitMultiSelectMode = function() {
if (!this.inMultiSelectMode || this.inVirtualSelectionMode)
return;
this.multiSelect.toSingleRange();
};
this.getSelectedText = function() {
var text = "";
if (this.inMultiSelectMode && !this.inVirtualSelectionMode) {
var ranges = this.multiSelect.rangeList.ranges;
var buf = [];
for (var i = 0; i < ranges.length; i++) {
buf.push(this.session.getTextRange(ranges[i]));
}
var nl = this.session.getDocument().getNewLineCharacter();
text = buf.join(nl);
if (text.length == (buf.length - 1) * nl.length)
text = "";
} else if (!this.selection.isEmpty()) {
text = this.session.getTextRange(this.getSelectionRange());
}
return text;
};
this.$checkMultiselectChange = function(e, anchor) {
if (this.inMultiSelectMode && !this.inVirtualSelectionMode) {
var range = this.multiSelect.ranges[0];
if (this.multiSelect.isEmpty() && anchor == this.multiSelect.anchor)
return;
var pos = anchor == this.multiSelect.anchor
? range.cursor == range.start ? range.end : range.start
: range.cursor;
if (pos.row != anchor.row
|| this.session.$clipPositionToDocument(pos.row, pos.column).column != anchor.column)
this.multiSelect.toSingleRange(this.multiSelect.toOrientedRange());
else
this.multiSelect.mergeOverlappingRanges();
}
};
/**
* Finds and selects all the occurrences of `needle`.
* @param {String} The text to find
* @param {Object} The search options
* @param {Boolean} keeps
*
* @returns {Number} The cumulative count of all found matches
* @method Editor.findAll
**/
this.findAll = function(needle, options, additive) {
options = options || {};
options.needle = needle || options.needle;
if (options.needle == undefined) {
var range = this.selection.isEmpty()
? this.selection.getWordRange()
: this.selection.getRange();
options.needle = this.session.getTextRange(range);
}
this.$search.set(options);
var ranges = this.$search.findAll(this.session);
if (!ranges.length)
return 0;
var selection = this.multiSelect;
if (!additive)
selection.toSingleRange(ranges[0]);
for (var i = ranges.length; i--; )
selection.addRange(ranges[i], true);
// keep old selection as primary if possible
if (range && selection.rangeList.rangeAtPoint(range.start))
selection.addRange(range, true);
return ranges.length;
};
/**
* Adds a cursor above or below the active cursor.
*
* @param {Number} dir The direction of lines to select: -1 for up, 1 for down
* @param {Boolean} skip If `true`, removes the active selection range
*
* @method Editor.selectMoreLines
*/
this.selectMoreLines = function(dir, skip) {
var range = this.selection.toOrientedRange();
var isBackwards = range.cursor == range.end;
var screenLead = this.session.documentToScreenPosition(range.cursor);
if (this.selection.$desiredColumn)
screenLead.column = this.selection.$desiredColumn;
var lead = this.session.screenToDocumentPosition(screenLead.row + dir, screenLead.column);
if (!range.isEmpty()) {
var screenAnchor = this.session.documentToScreenPosition(isBackwards ? range.end : range.start);
var anchor = this.session.screenToDocumentPosition(screenAnchor.row + dir, screenAnchor.column);
} else {
var anchor = lead;
}
if (isBackwards) {
var newRange = Range.fromPoints(lead, anchor);
newRange.cursor = newRange.start;
} else {
var newRange = Range.fromPoints(anchor, lead);
newRange.cursor = newRange.end;
}
newRange.desiredColumn = screenLead.column;
if (!this.selection.inMultiSelectMode) {
this.selection.addRange(range);
} else {
if (skip)
var toRemove = range.cursor;
}
this.selection.addRange(newRange);
if (toRemove)
this.selection.substractPoint(toRemove);
};
/**
* Transposes the selected ranges.
* @param {Number} dir The direction to rotate selections
* @method Editor.transposeSelections
**/
this.transposeSelections = function(dir) {
var session = this.session;
var sel = session.multiSelect;
var all = sel.ranges;
for (var i = all.length; i--; ) {
var range = all[i];
if (range.isEmpty()) {
var tmp = session.getWordRange(range.start.row, range.start.column);
range.start.row = tmp.start.row;
range.start.column = tmp.start.column;
range.end.row = tmp.end.row;
range.end.column = tmp.end.column;
}
}
sel.mergeOverlappingRanges();
var words = [];
for (var i = all.length; i--; ) {
var range = all[i];
words.unshift(session.getTextRange(range));
}
if (dir < 0)
words.unshift(words.pop());
else
words.push(words.shift());
for (var i = all.length; i--; ) {
var range = all[i];
var tmp = range.clone();
session.replace(range, words[i]);
range.start.row = tmp.start.row;
range.start.column = tmp.start.column;
}
sel.fromOrientedRange(sel.ranges[0]);
};
/**
* Finds the next occurrence of text in an active selection and adds it to the selections.
* @param {Number} dir The direction of lines to select: -1 for up, 1 for down
* @param {Boolean} skip If `true`, removes the active selection range
* @method Editor.selectMore
**/
this.selectMore = function(dir, skip, stopAtFirst) {
var session = this.session;
var sel = session.multiSelect;
var range = sel.toOrientedRange();
if (range.isEmpty()) {
range = session.getWordRange(range.start.row, range.start.column);
range.cursor = dir == -1 ? range.start : range.end;
this.multiSelect.addRange(range);
if (stopAtFirst)
return;
}
var needle = session.getTextRange(range);
var newRange = find(session, needle, dir);
if (newRange) {
newRange.cursor = dir == -1 ? newRange.start : newRange.end;
this.session.unfold(newRange);
this.multiSelect.addRange(newRange);
this.renderer.scrollCursorIntoView(null, 0.5);
}
if (skip)
this.multiSelect.substractPoint(range.cursor);
};
/**
* Aligns the cursors or selected text.
* @method Editor.alignCursors
**/
this.alignCursors = function() {
var session = this.session;
var sel = session.multiSelect;
var ranges = sel.ranges;
// filter out ranges on same row
var row = -1;
var sameRowRanges = ranges.filter(function(r) {
if (r.cursor.row == row)
return true;
row = r.cursor.row;
});
if (!ranges.length || sameRowRanges.length == ranges.length - 1) {
var range = this.selection.getRange();
var fr = range.start.row, lr = range.end.row;
var guessRange = fr == lr;
if (guessRange) {
var max = this.session.getLength();
var line;
do {
line = this.session.getLine(lr);
} while (/[=:]/.test(line) && ++lr < max);
do {
line = this.session.getLine(fr);
} while (/[=:]/.test(line) && --fr > 0);
if (fr < 0) fr = 0;
if (lr >= max) lr = max - 1;
}
var lines = this.session.removeFullLines(fr, lr);
lines = this.$reAlignText(lines, guessRange);
this.session.insert({row: fr, column: 0}, lines.join("\n") + "\n");
if (!guessRange) {
range.start.column = 0;
range.end.column = lines[lines.length - 1].length;
}
this.selection.setRange(range);
} else {
sameRowRanges.forEach(function(r) {
sel.substractPoint(r.cursor);
});
var maxCol = 0;
var minSpace = Infinity;
var spaceOffsets = ranges.map(function(r) {
var p = r.cursor;
var line = session.getLine(p.row);
var spaceOffset = line.substr(p.column).search(/\S/g);
if (spaceOffset == -1)
spaceOffset = 0;
if (p.column > maxCol)
maxCol = p.column;
if (spaceOffset < minSpace)
minSpace = spaceOffset;
return spaceOffset;
});
ranges.forEach(function(r, i) {
var p = r.cursor;
var l = maxCol - p.column;
var d = spaceOffsets[i] - minSpace;
if (l > d)
session.insert(p, lang.stringRepeat(" ", l - d));
else
session.remove(new Range(p.row, p.column, p.row, p.column - l + d));
r.start.column = r.end.column = maxCol;
r.start.row = r.end.row = p.row;
r.cursor = r.end;
});
sel.fromOrientedRange(ranges[0]);
this.renderer.updateCursor();
this.renderer.updateBackMarkers();
}
};
this.$reAlignText = function(lines, forceLeft) {
var isLeftAligned = true, isRightAligned = true;
var startW, textW, endW;
return lines.map(function(line) {
var m = line.match(/(\s*)(.*?)(\s*)([=:].*)/);
if (!m)
return [line];
if (startW == null) {
startW = m[1].length;
textW = m[2].length;
endW = m[3].length;
return m;
}
if (startW + textW + endW != m[1].length + m[2].length + m[3].length)
isRightAligned = false;
if (startW != m[1].length)
isLeftAligned = false;
if (startW > m[1].length)
startW = m[1].length;
if (textW < m[2].length)
textW = m[2].length;
if (endW > m[3].length)
endW = m[3].length;
return m;
}).map(forceLeft ? alignLeft :
isLeftAligned ? isRightAligned ? alignRight : alignLeft : unAlign);
function spaces(n) {
return lang.stringRepeat(" ", n);
}
function alignLeft(m) {
return !m[2] ? m[0] : spaces(startW) + m[2]
+ spaces(textW - m[2].length + endW)
+ m[4].replace(/^([=:])\s+/, "$1 ");
}
function alignRight(m) {
return !m[2] ? m[0] : spaces(startW + textW - m[2].length) + m[2]
+ spaces(endW)
+ m[4].replace(/^([=:])\s+/, "$1 ");
}
function unAlign(m) {
return !m[2] ? m[0] : spaces(startW) + m[2]
+ spaces(endW)
+ m[4].replace(/^([=:])\s+/, "$1 ");
}
};
}).call(Editor.prototype);
function isSamePoint(p1, p2) {
return p1.row == p2.row && p1.column == p2.column;
}
// patch
// adds multicursor support to a session
exports.onSessionChange = function(e) {
var session = e.session;
if (session && !session.multiSelect) {
session.$selectionMarkers = [];
session.selection.$initRangeList();
session.multiSelect = session.selection;
}
this.multiSelect = session && session.multiSelect;
var oldSession = e.oldSession;
if (oldSession) {
oldSession.multiSelect.off("addRange", this.$onAddRange);
oldSession.multiSelect.off("removeRange", this.$onRemoveRange);
oldSession.multiSelect.off("multiSelect", this.$onMultiSelect);
oldSession.multiSelect.off("singleSelect", this.$onSingleSelect);
oldSession.multiSelect.lead.off("change", this.$checkMultiselectChange);
oldSession.multiSelect.anchor.off("change", this.$checkMultiselectChange);
}
if (session) {
session.multiSelect.on("addRange", this.$onAddRange);
session.multiSelect.on("removeRange", this.$onRemoveRange);
session.multiSelect.on("multiSelect", this.$onMultiSelect);
session.multiSelect.on("singleSelect", this.$onSingleSelect);
session.multiSelect.lead.on("change", this.$checkMultiselectChange);
session.multiSelect.anchor.on("change", this.$checkMultiselectChange);
}
if (session && this.inMultiSelectMode != session.selection.inMultiSelectMode) {
if (session.selection.inMultiSelectMode)
this.$onMultiSelect();
else
this.$onSingleSelect();
}
};
// MultiSelect(editor)
// adds multiple selection support to the editor
// (note: should be called only once for each editor instance)
function MultiSelect(editor) {
if (editor.$multiselectOnSessionChange)
return;
editor.$onAddRange = editor.$onAddRange.bind(editor);
editor.$onRemoveRange = editor.$onRemoveRange.bind(editor);
editor.$onMultiSelect = editor.$onMultiSelect.bind(editor);
editor.$onSingleSelect = editor.$onSingleSelect.bind(editor);
editor.$multiselectOnSessionChange = exports.onSessionChange.bind(editor);
editor.$checkMultiselectChange = editor.$checkMultiselectChange.bind(editor);
editor.$multiselectOnSessionChange(editor);
editor.on("changeSession", editor.$multiselectOnSessionChange);
editor.on("mousedown", onMouseDown);
editor.commands.addCommands(commands.defaultCommands);
addAltCursorListeners(editor);
}
function addAltCursorListeners(editor){
var el = editor.textInput.getElement();
var altCursor = false;
event.addListener(el, "keydown", function(e) {
var altDown = e.keyCode == 18 && !(e.ctrlKey || e.shiftKey || e.metaKey);
if (editor.$blockSelectEnabled && altDown) {
if (!altCursor) {
editor.renderer.setMouseCursor("crosshair");
altCursor = true;
}
} else if (altCursor) {
reset();
}
});
event.addListener(el, "keyup", reset);
event.addListener(el, "blur", reset);
function reset(e) {
if (altCursor) {
editor.renderer.setMouseCursor("");
altCursor = false;
// TODO disable menu popping up
// e && e.preventDefault()
}
}
}
exports.MultiSelect = MultiSelect;
require("./config").defineOptions(Editor.prototype, "editor", {
enableMultiselect: {
set: function(val) {
MultiSelect(this);
if (val) {
this.on("changeSession", this.$multiselectOnSessionChange);
this.on("mousedown", onMouseDown);
} else {
this.off("changeSession", this.$multiselectOnSessionChange);
this.off("mousedown", onMouseDown);
}
},
value: true
},
enableBlockSelect: {
set: function(val) {
this.$blockSelectEnabled = val;
},
value: true
}
});
});