blob: d1fc285fd6840a484595c0bc4eb9bacc0ede55d8 [file] [log] [blame]
/*
* Copyright (C) 2017 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.SpreadsheetSelectorField = class SpreadsheetSelectorField
{
constructor(delegate, element)
{
this._delegate = delegate;
this._element = element;
this._element.classList.add("spreadsheet-selector-field");
this._element.addEventListener("focus", this._handleFocus.bind(this));
this._element.addEventListener("blur", this._handleBlur.bind(this));
this._element.addEventListener("keydown", this._handleKeyDown.bind(this));
this._editing = false;
}
// Public
get editing() { return this._editing; }
startEditing()
{
if (this._editing)
return;
this._editing = true;
let element = this._element;
element.classList.add("editing");
element.contentEditable = "plaintext-only";
element.spellcheck = false;
element.scrollIntoViewIfNeeded(false);
// Disable syntax highlighting.
element.textContent = element.textContent;
this._selectText();
}
stopEditing()
{
if (!this._editing)
return;
this._editing = false;
this._element.classList.remove("editing");
this._element.contentEditable = false;
}
// Private
_selectText()
{
window.getSelection().selectAllChildren(this._element);
}
_handleFocus(event)
{
this.startEditing();
}
_handleBlur(event)
{
this.stopEditing();
if (this._delegate && typeof this._delegate.spreadsheetSelectorFieldDidChange === "function")
this._delegate.spreadsheetSelectorFieldDidChange(null);
}
_handleKeyDown(event)
{
if (event.key === "Enter" && !this._editing) {
event.stop();
this.startEditing();
return;
}
if (!this._editing)
return;
if (event.key === "Enter" || event.key === "Tab") {
event.stop();
this.stopEditing();
if (this._delegate && typeof this._delegate.spreadsheetSelectorFieldDidChange === "function") {
let direction = (event.shiftKey && event.key === "Tab") ? "backward" : "forward";
this._delegate.spreadsheetSelectorFieldDidChange(direction);
}
return;
}
if (event.key === "Escape") {
event.stop();
this.stopEditing();
if (this._delegate && typeof this._delegate.spreadsheetSelectorFieldDidDiscard === "function")
this._delegate.spreadsheetSelectorFieldDidDiscard();
}
}
};