jyapayne/ace
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

support moving lines up/down (alt-up/down)

Browse source
This commit is contained in:
Fabian Jakobs 2010-04-14 17:51:28 +02:00
commit 34d851b24e
5 changed files with 191 additions and 36 deletions
Download patch file Download diff file Expand all files Collapse all files

89
src/Editor.js
View file

@ -288,6 +288,35 @@ ace.Editor.prototype.toggleCommentLines = function() {
this.shiftSelection(addedColumns);
};
ace.Editor.prototype.moveLinesDown = function() {
this._moveLines(function(firstRow, lastRow) {
return this.doc.moveLinesDown(firstRow, lastRow);
});
};
ace.Editor.prototype.moveLinesUp = function() {
this._moveLines(function(firstRow, lastRow) {
return this.doc.moveLinesUp(firstRow, lastRow);
});
};
ace.Editor.prototype._moveLines = function(mover) {
var range = this.getSelectionRange();
var firstRow = range.start.row;
var lastRow = range.end.row;
if (range.end.column == 0 && (range.start.row !== range.end.row)) {
lastRow -= 1;
}
var linesMoved = mover.call(this, firstRow, lastRow);
this.setSelectionAnchor(lastRow+linesMoved+1, 0);
this._moveSelection(function() {
this.moveCursorTo(firstRow+linesMoved, 0);
});
};
ace.Editor.prototype.onCompositionStart = function() {
this.renderer.showComposition(this.cursor);
this.onTextInput(" ");
@ -532,21 +561,27 @@ ace.Editor.prototype.moveCursorToPosition = function(position) {
this.moveCursorTo(position.row, position.column);
};
ace.Editor.prototype.moveCursorTo = function(row, column) {
ace.Editor.prototype._clipPositionToDocument = function(row, column) {
var pos = {};
if (row >= this.doc.getLength()) {
this.cursor.row = this.doc.getLength() - 1;
this.cursor.column = this.doc.getLine(this.cursor.row).length;
pos.row = this.doc.getLength() - 1;
pos.column = this.doc.getLine(pos.row).length;
}
else if (row < 0) {
this.cursor.row = 0;
this.cursor.column = 0;
pos.row = 0;
pos.column = 0;
}
else {
this.cursor.row = row;
this.cursor.column = Math
.min(this.doc.getLine(this.cursor.row).length, Math
.max(0, column));
pos.row = row;
pos.column = Math.min(this.doc.getLine(pos.row).length,
Math.max(0, column));
}
return pos;
};
ace.Editor.prototype.moveCursorTo = function(row, column) {
this.cursor = this._clipPositionToDocument(row, column);
this.updateCursor();
};
@ -580,12 +615,7 @@ ace.Editor.prototype.hasMultiLineSelection = function() {
ace.Editor.prototype.setSelectionAnchor = function(row, column) {
this.clearSelection();
this.selectionAnchor = {
row : Math.min(this.doc.getLength() - 1, Math.max(0, row)),
column : Math.min(this.doc.getLine(this.cursor.row).length, Math
.max(0, column))
};
this.selectionAnchor = this._clipPositionToDocument(row, column);
this.selectionLead = null;
};
@ -624,26 +654,21 @@ ace.Editor.prototype.shiftSelection = function(columns) {
};
ace.Editor.prototype.getSelectionRange = function() {
var anchor = this.selectionAnchor;
var lead = this.selectionLead;
var anchor = this.selectionAnchor || this.cursor;
var lead = this.selectionLead || this.cursor;
if (!anchor) {
return null;
if (anchor.row > lead.row
|| (anchor.row == lead.row && anchor.column > lead.column)) {
return {
start : lead,
end : anchor
};
}
else {
if (anchor.row > lead.row
|| (anchor.row == lead.row && anchor.column > lead.column)) {
return {
start : lead,
end : anchor
};
}
else {
return {
start : anchor,
end : lead
};
}
return {
start : anchor,
end : lead
};
}
};

14
src/KeyBinding.js
View file

@ -57,13 +57,16 @@ ace.KeyBinding = function(element, host) {
break;
case keys.UP:
if (e.metaKey && e.shiftKey) {
if (e.altKey) {
host.moveLinesUp();
}
else if (e.metaKey && e.shiftKey) {
host.selectFileStart();
}
else if (e.metaKey) {
host.navigateFileStart();
}
if (e.shiftKey) {
else if (e.shiftKey) {
host.selectUp();
}
else {
@ -72,13 +75,16 @@ ace.KeyBinding = function(element, host) {
return ace.stopEvent(e);
case keys.DOWN:
if (e.metaKey && e.shiftKey) {
if (e.altKey) {
host.moveLinesDown();
}
else if (e.metaKey && e.shiftKey) {
host.selectFileEnd();
}
else if (e.metaKey) {
host.navigateFileEnd();
}
if (e.shiftKey) {
else if (e.shiftKey) {
host.selectDown();
}
else {

26
src/TextDocument.js
View file

@ -301,4 +301,30 @@ ace.TextDocument.prototype.outdentRows = function(range, indentString) {
this.fireChangeEvent(range.start.row, range.end.row);
return -outdentLength;
};
ace.TextDocument.prototype.moveLinesUp = function(firstRow, lastRow) {
if (firstRow <= 0) return 0;
var removed = this.lines.splice(firstRow, lastRow-firstRow+1);
var args = [firstRow - 1, 0];
args.push.apply(args, removed);
this.lines.splice.apply(this.lines, args);
this.fireChangeEvent(firstRow-1, lastRow);
return -1;
};
ace.TextDocument.prototype.moveLinesDown = function(firstRow, lastRow) {
if (lastRow >= this.lines.length-1) return 0;
var removed = this.lines.splice(firstRow, lastRow-firstRow+1);
var args = [firstRow + 1, 0];
args.push.apply(args, removed);
this.lines.splice.apply(this.lines, args);
this.fireChangeEvent(firstRow, lastRow+1);
return 1;
};