Andrew Zambazos
122 lines
4.2 KiB
JavaScript
122 lines
4.2 KiB
JavaScript
/*
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* Copyright (C) 2013 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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WI.CodeMirrorDragToAdjustNumberController = class CodeMirrorDragToAdjustNumberController extends WI.Object
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{
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constructor(codeMirror)
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{
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super();
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this._codeMirror = codeMirror;
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this._dragToAdjustController = new WI.DragToAdjustController(this);
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}
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// Public
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get enabled()
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{
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return this._dragToAdjustController.enabled;
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}
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set enabled(enabled)
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{
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if (this.enabled === enabled)
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return;
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this._dragToAdjustController.element = this._codeMirror.getWrapperElement();
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this._dragToAdjustController.enabled = enabled;
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}
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// Protected
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dragToAdjustControllerActiveStateChanged(dragToAdjustController)
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{
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if (!dragToAdjustController.active)
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this._hoveredTokenInfo = null;
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}
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dragToAdjustControllerCanBeActivated(dragToAdjustController)
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{
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return !this._codeMirror.getOption("readOnly");
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}
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dragToAdjustControllerCanBeAdjusted(dragToAdjustController)
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{
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return this._hoveredTokenInfo && this._hoveredTokenInfo.containsNumber;
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}
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dragToAdjustControllerWasAdjustedByAmount(dragToAdjustController, amount)
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{
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this._codeMirror.alterNumberInRange(amount, this._hoveredTokenInfo.startPosition, this._hoveredTokenInfo.endPosition, false);
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}
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dragToAdjustControllerDidReset(dragToAdjustController)
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{
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this._hoveredTokenInfo = null;
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}
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dragToAdjustControllerCanAdjustObjectAtPoint(dragToAdjustController, point)
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{
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var position = this._codeMirror.coordsChar({left: point.x, top: point.y});
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var token = this._codeMirror.getTokenAt(position);
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if (!token || !token.type || !token.string) {
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if (this._hoveredTokenInfo)
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dragToAdjustController.reset();
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return false;
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}
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// Stop right here if we're hovering the same token as we were last time.
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if (this._hoveredTokenInfo && this._hoveredTokenInfo.line === position.line &&
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this._hoveredTokenInfo.token.start === token.start && this._hoveredTokenInfo.token.end === token.end)
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return this._hoveredTokenInfo.token.type.indexOf("number") !== -1;
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var containsNumber = token.type.indexOf("number") !== -1;
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this._hoveredTokenInfo = {
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token,
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line: position.line,
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containsNumber,
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startPosition: {
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ch: token.start,
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line: position.line
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},
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endPosition: {
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ch: token.end,
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line: position.line
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}
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};
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return containsNumber;
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}
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};
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CodeMirror.defineOption("dragToAdjustNumbers", true, function(codeMirror, value, oldValue) {
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if (!codeMirror.dragToAdjustNumberController)
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codeMirror.dragToAdjustNumberController = new WI.CodeMirrorDragToAdjustNumberController(codeMirror);
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codeMirror.dragToAdjustNumberController.enabled = value;
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});
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