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Added three new functions for selections:

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expandtoline    - selects the entire line for each line in a selection (newline included)
joinSelection   - joins selected lines into a single space-delimited line
invertSelection - inverts all selected lines
This commit is contained in:
AMiniLegend 2014-05-18 13:51:46 -04:00
commit 8f8410f01b
1 changed files with 87 additions and 0 deletions
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87
lib/ace/commands/default_commands.js
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@ -33,6 +33,7 @@ define(function(require, exports, module) {
var lang = require("../lib/lang");
var config = require("../config");
var Range = require("../range").Range;
function bindKey(win, mac) {
return {win: win, mac: mac};
@ -602,6 +603,92 @@ exports.commands = [{
exec: function(editor) { editor.toLowerCase(); },
multiSelectAction: "forEach",
scrollIntoView: "cursor"
}, {
name: "expandtoline",
bindKey: bindKey("Ctrl-Shift-L", "Command-Shift-L"),
exec: function(editor) {
var isBackwards = editor.selection.isBackwards();
var selectionStart = isBackwards ? editor.selection.getSelectionLead() : editor.selection.getSelectionAnchor();
var selectionEnd = isBackwards ? editor.selection.getSelectionAnchor() : editor.selection.getSelectionLead();
editor.clearSelection();
editor.selection.moveCursorTo(selectionStart.row, 0);
editor.selection.selectTo(selectionEnd.row + 1, 0);
},
multiSelectAction: "forEach",
scrollIntoView: "cursor"
}, {
name: "joinSelection",
bindKey: bindKey(null, null),
exec: function(editor) {
var isBackwards = editor.selection.isBackwards();
var selectionStart = isBackwards ? editor.selection.getSelectionLead() : editor.selection.getSelectionAnchor();
var selectionEnd = isBackwards ? editor.selection.getSelectionAnchor() : editor.selection.getSelectionLead();
var selectedRange = editor.selection.getRange();
var selectedText = editor.session.doc.getTextRange(selectedRange);
var newLine = editor.session.doc.getLine(selectionStart.row) + " ";
for (var i = selectionStart.row + 1; i <= selectionEnd.row; i++) {
var curLine = editor.session.doc.getLine(i);
newLine += lang.stringTrimLeft(lang.stringTrimRight(curLine)) + " ";
};
newLine += editor.session.doc.getNewLineCharacter();
editor.clearSelection();
editor.selection.moveCursorTo(selectionStart.row, 0);
editor.selection.selectTo(selectionEnd.row + 1, 0);
selectedRange = editor.selection.getRange();
editor.session.doc.replace(selectedRange, newLine);
},
multiSelectAction: "forEach"
}, {
name: "invertSelection",
bindKey: bindKey(null, null),
exec: function(editor) {
var endRow = editor.session.doc.getLength() - 1;
var endCol = editor.session.doc.getLine(endRow).length;
var initialScroll = editor.session.getScrollTop();
var ranges = editor.selection.rangeList.ranges;
var newRanges = [];
var tmpRanges = ranges;
// If multiple selections don't exist, rangeList will return 0 so replace with single range
if (ranges.length < 1) {
ranges = [editor.selection.getRange()];
}
for (var i = 0; i < ranges.length; i++) {
if (i == (ranges.length - 1)) {
// The last selection must connect to the end of the document, unless it already does
if (!(ranges[i].end.row === endRow && ranges[i].end.column === endCol)) {
newRanges.push(new Range(ranges[i].end.row, ranges[i].end.column, endRow, endCol));
}
}
if (i === 0) {
// The first selection must connect to the start of the document, unless it already does
if (!(ranges[i].start.row === 0 && ranges[i].start.column === 0)) {
newRanges.push(new Range(0, 0, ranges[i].start.row, ranges[i].start.column));
}
} else {
newRanges.push(new Range(ranges[i-1].end.row, ranges[i-1].end.column, ranges[i].start.row, ranges[i].start.column));
}
}
editor.exitMultiSelectMode();
editor.clearSelection();
// Set the main cursor to the last range that will be seen
editor.selection.moveCursorTo(newRanges[newRanges.length-1].end.row, newRanges[newRanges.length-1].end.column, false);
for(var i = 0; i < newRanges.length; i++) {
editor.selection.addRange(newRanges[i], false);
}
// Make it so the user sees no change in scrolling
editor.session.setScrollTop(initialScroll);
}
}];
});