lib/gollum/public/gollum/livepreview/js/ace/lib/ace/anchor.js in gollum-3.1.2 vs lib/gollum/public/gollum/livepreview/js/ace/lib/ace/anchor.js in gollum-3.1.3
- old
+ new
@@ -1,22 +1,22 @@
/* ***** 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
@@ -33,13 +33,13 @@
var oop = require("./lib/oop");
var EventEmitter = require("./lib/event_emitter").EventEmitter;
/**
- *
- * Defines the floating pointer in the document. Whenever text is inserted or deleted before the cursor, the position of the cursor is updated.
*
+ * Defines a floating pointer in the document. Whenever text is inserted or deleted before the cursor, the position of the anchor is updated.
+ *
* @class Anchor
**/
/**
* Creates a new `Anchor` and associates it with a document.
@@ -50,182 +50,179 @@
*
* @constructor
**/
var Anchor = exports.Anchor = function(doc, row, column) {
- this.document = doc;
+ this.$onChange = this.onChange.bind(this);
+ this.attach(doc);
if (typeof column == "undefined")
this.setPosition(row.row, row.column);
else
this.setPosition(row, column);
-
- this.$onChange = this.onChange.bind(this);
- doc.on("change", this.$onChange);
};
(function() {
oop.implement(this, EventEmitter);
-
+
/**
* Returns an object identifying the `row` and `column` position of the current anchor.
* @returns {Object}
**/
-
this.getPosition = function() {
return this.$clipPositionToDocument(this.row, this.column);
};
-
- /**
- *
+
+ /**
+ *
* Returns the current document.
* @returns {Document}
**/
-
this.getDocument = function() {
return this.document;
};
-
- /**
+
+ /**
+ * experimental: allows anchor to stick to the next on the left
+ */
+ this.$insertRight = false;
+ /**
* Fires whenever the anchor position changes.
*
* Both of these objects have a `row` and `column` property corresponding to the position.
*
* Events that can trigger this function include [[Anchor.setPosition `setPosition()`]].
- *
- * @event change
- * @param {Object} e An object containing information about the anchor position. It has two properties:
+ *
+ * @event change
+ * @param {Object} e An object containing information about the anchor position. It has two properties:
* - `old`: An object describing the old Anchor position
- * - `value`: An object describing the new Anchor position
+ * - `value`: An object describing the new Anchor position
*
- *
**/
-
this.onChange = function(e) {
var delta = e.data;
var range = delta.range;
-
+
if (range.start.row == range.end.row && range.start.row != this.row)
return;
-
+
if (range.start.row > this.row)
return;
-
+
if (range.start.row == this.row && range.start.column > this.column)
return;
-
+
var row = this.row;
var column = this.column;
-
+ var start = range.start;
+ var end = range.end;
+
if (delta.action === "insertText") {
- if (range.start.row === row && range.start.column <= column) {
- if (range.start.row === range.end.row) {
- column += range.end.column - range.start.column;
+ if (start.row === row && start.column <= column) {
+ if (start.column === column && this.$insertRight) {
+ // do nothing
+ } else if (start.row === end.row) {
+ column += end.column - start.column;
+ } else {
+ column -= start.column;
+ row += end.row - start.row;
}
- else {
- column -= range.start.column;
- row += range.end.row - range.start.row;
- }
+ } else if (start.row !== end.row && start.row < row) {
+ row += end.row - start.row;
}
- else if (range.start.row !== range.end.row && range.start.row < row) {
- row += range.end.row - range.start.row;
- }
} else if (delta.action === "insertLines") {
- if (range.start.row <= row) {
- row += range.end.row - range.start.row;
+ if (start.row === row && column === 0 && this.$insertRight) {
+ // do nothing
}
- }
- else if (delta.action == "removeText") {
- if (range.start.row == row && range.start.column < column) {
- if (range.end.column >= column)
- column = range.start.column;
+ else if (start.row <= row) {
+ row += end.row - start.row;
+ }
+ } else if (delta.action === "removeText") {
+ if (start.row === row && start.column < column) {
+ if (end.column >= column)
+ column = start.column;
else
- column = Math.max(0, column - (range.end.column - range.start.column));
-
- } else if (range.start.row !== range.end.row && range.start.row < row) {
- if (range.end.row == row) {
- column = Math.max(0, column - range.end.column) + range.start.column;
- }
- row -= (range.end.row - range.start.row);
+ column = Math.max(0, column - (end.column - start.column));
+
+ } else if (start.row !== end.row && start.row < row) {
+ if (end.row === row)
+ column = Math.max(0, column - end.column) + start.column;
+ row -= (end.row - start.row);
+ } else if (end.row === row) {
+ row -= end.row - start.row;
+ column = Math.max(0, column - end.column) + start.column;
}
- else if (range.end.row == row) {
- row -= range.end.row - range.start.row;
- column = Math.max(0, column - range.end.column) + range.start.column;
- }
} else if (delta.action == "removeLines") {
- if (range.start.row <= row) {
- if (range.end.row <= row)
- row -= range.end.row - range.start.row;
+ if (start.row <= row) {
+ if (end.row <= row)
+ row -= end.row - start.row;
else {
- row = range.start.row;
+ row = start.row;
column = 0;
}
}
}
this.setPosition(row, column, true);
};
- /**
+ /**
* Sets the anchor position to the specified row and column. If `noClip` is `true`, the position is not clipped.
* @param {Number} row The row index to move the anchor to
* @param {Number} column The column index to move the anchor to
* @param {Boolean} noClip Identifies if you want the position to be clipped
*
- *
- *
**/
-
this.setPosition = function(row, column, noClip) {
var pos;
if (noClip) {
pos = {
row: row,
column: column
};
- }
- else {
+ } else {
pos = this.$clipPositionToDocument(row, column);
}
-
+
if (this.row == pos.row && this.column == pos.column)
return;
-
+
var old = {
row: this.row,
column: this.column
};
-
+
this.row = pos.row;
this.column = pos.column;
- this._emit("change", {
+ this._signal("change", {
old: old,
value: pos
});
};
-
+
/**
- * When called, the `'change'` event listener is removed.
+ * When called, the `"change"` event listener is removed.
*
**/
-
this.detach = function() {
this.document.removeEventListener("change", this.$onChange);
};
-
- /**
+ this.attach = function(doc) {
+ this.document = doc || this.document;
+ this.document.on("change", this.$onChange);
+ };
+
+ /**
* Clips the anchor position to the specified row and column.
* @param {Number} row The row index to clip the anchor to
* @param {Number} column The column index to clip the anchor to
*
- *
- *
**/
this.$clipPositionToDocument = function(row, column) {
var pos = {};
-
+
if (row >= this.document.getLength()) {
pos.row = Math.max(0, this.document.getLength() - 1);
pos.column = this.document.getLine(pos.row).length;
}
else if (row < 0) {
@@ -234,15 +231,15 @@
}
else {
pos.row = row;
pos.column = Math.min(this.document.getLine(pos.row).length, Math.max(0, column));
}
-
+
if (column < 0)
pos.column = 0;
-
+
return pos;
};
-
+
}).call(Anchor.prototype);
});