blob: 3d451c2fac7c4ab2f9c0aae83cb79cad476bc5aa [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.SettingEditor = class SettingEditor extends WI.Object
{
constructor(type, label, options)
{
super();
this._type = type;
this._value = null;
this._editorElement = this._createEditorElement(options);
console.assert(this._editorElement);
this._element = document.createElement("div");
this._element.classList.add("editor");
this._element.append(this._editorElement);
this.label = label;
}
static createForSetting(setting, label, options)
{
let type;
if (typeof setting.value === "boolean")
type = WI.SettingEditor.Type.Checkbox;
else if (typeof setting.value === "number")
type = WI.SettingEditor.Type.Numeric;
console.assert(type, "Cannot deduce editor type from setting value type.", setting);
if (!type)
return null;
let editor = new WI.SettingEditor(type, label, options);
editor.value = setting.value;
editor.addEventListener(WI.SettingEditor.Event.ValueDidChange, () => { setting.value = editor.value; });
setting.addEventListener(WI.Setting.Event.Changed, () => { editor.value = setting.value; });
return editor;
}
// Public
get element() { return this._element; }
get type() { return this._type; }
get label()
{
return this._label;
}
set label(label)
{
if (label === this._label)
return;
this._label = label;
if (!this._label) {
if (this._labelElement)
this._labelElement.remove();
this._editorElement.removeAttribute("id");
this._labelElement = null;
return;
}
if (!this._labelElement) {
this._editorElement.id = "setting-editor-" + WI.SettingEditor._nextEditorIdentifier++;
this._labelElement = this._element.appendChild(document.createElement("label"));
this._labelElement.setAttribute("for", this._editorElement.id);
}
this._labelElement.textContent = this._label;
}
get value()
{
return this._value;
}
set value(value)
{
if (this._value === value)
return;
let oldValue = this._value;
this._value = value;
if (this._type === WI.SettingEditor.Type.Checkbox)
this._editorElement.checked = !!this._value;
else
this._editorElement.value = this._value;
this.dispatchEventToListeners(WI.SettingEditor.Event.ValueDidChange, {oldValue});
}
// Private
_createEditorElement(options)
{
let editorElement;
switch (this._type) {
case WI.SettingEditor.Type.Checkbox:
editorElement = document.createElement("input");
editorElement.type = "checkbox";
editorElement.addEventListener("change", (event) => { this.value = event.target.checked; });
break;
case WI.SettingEditor.Type.Numeric:
editorElement = document.createElement("input");
editorElement.type = "number";
if (options.min !== undefined)
editorElement.min = options.min;
if (options.max !== undefined)
editorElement.max = options.max;
editorElement.addEventListener("change", (event) => {
let currentValue = this._value;
let newValue = parseInt(event.target.value);
this.value = isNaN(newValue) ? currentValue : newValue;
});
break;
case WI.SettingEditor.Type.Select:
editorElement = document.createElement("select");
var keyValuePairs = [];
console.assert(Array.isArray(options.values), "Expected values array for select editor.", options);
if (Array.isArray(options.values[0]))
keyValuePairs = options.values;
else
keyValuePairs = options.values.map((value) => [value, value]);
for (let [key, value] of keyValuePairs) {
if (key === WI.SettingEditor.SelectSpacerKey) {
editorElement.appendChild(document.createElement("hr"));
continue;
}
let optionElement = editorElement.appendChild(document.createElement("option"));
optionElement.value = key;
optionElement.textContent = value;
}
editorElement.addEventListener("change", (event) => { this.value = event.target.value; });
break;
default:
console.error("Unknown editor type: " + this._type);
}
return editorElement;
}
};
WI.SettingEditor._nextEditorIdentifier = 1;
WI.SettingEditor.Type = {
Checkbox: "setting-editor-type-checkbox",
Numeric: "setting-editor-type-numeric",
Select: "setting-editor-type-select",
};
WI.SettingEditor.SelectSpacerKey = Symbol("setting-editor-select-spacer-key");
WI.SettingEditor.Event = {
ValueDidChange: "value-did-change",
};