blob: 2d55048e2f93a3eafb031231064e991c52b832a3 [file] [log] [blame]
/*
* Copyright (C) 2013 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS CONTRIBUTORS
* 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.
*/
WI.CodeMirrorDragToAdjustNumberController = class CodeMirrorDragToAdjustNumberController extends WI.Object
{
constructor(codeMirror)
{
super();
this._codeMirror = codeMirror;
this._dragToAdjustController = new WI.DragToAdjustController(this);
}
// Public
get enabled()
{
return this._dragToAdjustController.enabled;
}
set enabled(enabled)
{
if (this.enabled === enabled)
return;
this._dragToAdjustController.element = this._codeMirror.getWrapperElement();
this._dragToAdjustController.enabled = enabled;
}
// Protected
dragToAdjustControllerActiveStateChanged(dragToAdjustController)
{
if (!dragToAdjustController.active)
this._hoveredTokenInfo = null;
}
dragToAdjustControllerCanBeActivated(dragToAdjustController)
{
return !this._codeMirror.getOption("readOnly");
}
dragToAdjustControllerCanBeAdjusted(dragToAdjustController)
{
return this._hoveredTokenInfo && this._hoveredTokenInfo.containsNumber;
}
dragToAdjustControllerWasAdjustedByAmount(dragToAdjustController, amount)
{
this._codeMirror.alterNumberInRange(amount, this._hoveredTokenInfo.startPosition, this._hoveredTokenInfo.endPosition, false);
}
dragToAdjustControllerDidReset(dragToAdjustController)
{
this._hoveredTokenInfo = null;
}
dragToAdjustControllerCanAdjustObjectAtPoint(dragToAdjustController, point)
{
var position = this._codeMirror.coordsChar({left: point.x, top: point.y});
var token = this._codeMirror.getTokenAt(position);
if (!token || !token.type || !token.string) {
if (this._hoveredTokenInfo)
dragToAdjustController.reset();
return false;
}
// Stop right here if we're hovering the same token as we were last time.
if (this._hoveredTokenInfo && this._hoveredTokenInfo.line === position.line &&
this._hoveredTokenInfo.token.start === token.start && this._hoveredTokenInfo.token.end === token.end)
return this._hoveredTokenInfo.token.type.indexOf("number") !== -1;
var containsNumber = token.type.indexOf("number") !== -1;
this._hoveredTokenInfo = {
token,
line: position.line,
containsNumber,
startPosition: {
ch: token.start,
line: position.line
},
endPosition: {
ch: token.end,
line: position.line
}
};
return containsNumber;
}
};
CodeMirror.defineOption("dragToAdjustNumbers", true, function(codeMirror, value, oldValue) {
if (!codeMirror.dragToAdjustNumberController)
codeMirror.dragToAdjustNumberController = new WI.CodeMirrorDragToAdjustNumberController(codeMirror);
codeMirror.dragToAdjustNumberController.enabled = value;
});